diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml index 9aa71fb4..fc1b1c99 100644 --- a/.github/workflows/check.yml +++ b/.github/workflows/check.yml @@ -23,13 +23,13 @@ jobs: - name: Setup Node.js environment uses: actions/setup-node@v4.2.0 with: - node-version: "22.x" + node-version: "25.x" check-latest: true - name: Setup Rust toolchain uses: dtolnay/rust-toolchain@stable with: - toolchain: "1.89.0" + toolchain: "1.92.0" components: clippy, rustfmt - name: Lint & test diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml index b6d369cc..bb25e463 100644 --- a/.github/workflows/deploy-docs.yml +++ b/.github/workflows/deploy-docs.yml @@ -5,8 +5,8 @@ on: branches: - main paths: - - 'docs/**' - - '.github/workflows/deploy-docs.yml' + - "docs/**" + - ".github/workflows/deploy-docs.yml" workflow_dispatch: permissions: @@ -28,12 +28,11 @@ jobs: with: fetch-depth: 0 - - name: Setup Node - uses: actions/setup-node@v4 + - name: Setup Node.js environment + uses: actions/setup-node@v4.2.0 with: - node-version: 22 - cache: npm - cache-dependency-path: docs/package-lock.json + node-version: "25.x" + check-latest: true - name: Setup Pages uses: actions/configure-pages@v4 diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml index 7d0a2a0f..98dbfc1f 100644 --- a/.github/workflows/e2e.yml +++ b/.github/workflows/e2e.yml @@ -6,7 +6,7 @@ on: pull_request: branches: ["main"] schedule: - - cron: '0 * * * *' + - cron: "0 * * * *" workflow_dispatch: concurrency: @@ -28,13 +28,13 @@ jobs: - name: Setup Node.js environment uses: actions/setup-node@v4.2.0 with: - node-version: "22.x" + node-version: "25.x" check-latest: true - name: Setup Rust toolchain uses: dtolnay/rust-toolchain@stable with: - toolchain: "1.89.0" + toolchain: "1.92.0" components: clippy, rustfmt - name: Setup rust diff --git a/.github/workflows/publish-plugin.yml b/.github/workflows/publish-plugin.yml index 92dd199b..452bc601 100644 --- a/.github/workflows/publish-plugin.yml +++ b/.github/workflows/publish-plugin.yml @@ -19,7 +19,7 @@ jobs: - name: Setup Node.js environment uses: actions/setup-node@v4.2.0 with: - node-version: "22.x" + node-version: "25.x" check-latest: true - name: Build plugin @@ -31,7 +31,7 @@ jobs: - name: Setup Rust toolchain uses: dtolnay/rust-toolchain@stable with: - toolchain: "1.89.0" + toolchain: "1.92.0" components: clippy, rustfmt - name: Install cross-compilation tools diff --git a/.gitignore b/.gitignore index a1c1ac4f..c291b71a 100644 --- a/.gitignore +++ b/.gitignore @@ -7,15 +7,19 @@ node_modules # Frontend build folders frontend/*/dist -sync-server/db.sqlite3* -sync-server/databases - # Rust build folders sync-server/target sync-server/artifacts sync-server/bindings/*.ts +# build folders +sync-server/db.sqlite3* +sync-server/databases +frontend/deterministic-tests/databases + *.log *.sqlx target + +.task diff --git a/.vscode/settings.json b/.vscode/settings.json index 88d395f5..98187650 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -5,6 +5,6 @@ "**/dist": true, "**/node_modules": true, "**/.sqlx": true, - "**/target": true, - }, + "**/target": true + } } diff --git a/CLAUDE.md b/CLAUDE.md index c77b091b..deb2ae63 100644 --- a/CLAUDE.md +++ b/CLAUDE.md @@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co ## Project Overview -VaultLink is a self-hosted Obsidian plugin for real-time collaborative file syncing. The project consists of a Rust-based sync server and a TypeScript frontend with three main components: an Obsidian plugin, a sync client library, and a test client. +VaultLink is a self-hosted Obsidian plugin for real-time collaborative file syncing. The project consists of a Rust-based sync server and a TypeScript frontend with four main components: an Obsidian plugin, a sync client library, a test client, and a standalone CLI client. ## Architecture @@ -13,21 +13,103 @@ VaultLink is a self-hosted Obsidian plugin for real-time collaborative file sync - **sync-server/**: Rust-based WebSocket server with SQLite database for document versioning and real-time synchronization - **frontend/sync-client/**: TypeScript library providing core sync functionality, WebSocket management, and file operations - **frontend/obsidian-plugin/**: Obsidian plugin that integrates the sync client with Obsidian's API -- **frontend/test-client/**: CLI testing tool for the sync functionality +- **frontend/test-client/**: CLI testing tool for simulating multiple concurrent users +- **frontend/local-client-cli/**: Standalone CLI for VaultLink sync client +- **frontend/history-ui/**: Svelte 5 web UI for browsing vault history, viewing diffs, and restoring versions ### Key Technologies - **Backend**: Rust with Axum framework, SQLite with SQLx, WebSockets for real-time sync -- **Frontend**: TypeScript, Webpack for bundling, Jest for testing +- **Frontend**: TypeScript, Webpack for bundling, Node.js native test runner +- **History UI**: Svelte 5 with runes, Vite for bundling, embedded in server binary via `rust-embed` - **Sync Algorithm**: Uses reconcile-text library for operational transformation +### Architectural Patterns + +**Server Architecture:** + +- `AppState`: Central state container holding `Database`, `Cursors`, and `Broadcasts` +- `Database`: SQLite-backed document versioning with SQLx for compile-time query verification +- `Broadcasts`: WebSocket broadcast system for real-time updates to connected clients +- `Cursors`: Tracks user cursor positions across documents with background cleanup task + +**Client Architecture:** + +- `SyncClient`: Main entry point, orchestrates all sync operations +- `SyncService`: HTTP API client for CRUD operations on documents +- `WebSocketManager`: Manages WebSocket connection and real-time updates +- `Syncer`: Coordinates file synchronization between local filesystem and server +- `CursorTracker`: Manages local and remote cursor positions +- `Database`: Client-side document metadata cache +- `FileOperations`: Abstraction layer for filesystem operations + +**Dual-Bundle Strategy:** +The sync-client builds two separate bundles: + +- `sync-client.web.js`: Browser-compatible UMD bundle (excludes `ws` package) +- `sync-client.node.js`: Node.js CommonJS bundle with WebSocket support + +**History UI Architecture:** + +The history UI (`frontend/history-ui/`) is a standalone Svelte 5 SPA that provides read-only vault history browsing. It communicates with the server via the same REST API used by sync clients, plus three additional endpoints: + +- `GET /vaults/:vault_id/documents/:document_id/versions` — all versions of a document (without content) +- `GET /vaults/:vault_id/history?limit=&before_update_id=` — paginated vault-wide version history (cursor-based) +- `POST /vaults/:vault_id/documents/:document_id/restore` — restore a document to a historical version (creates a new version with old content) + +Server-side implementation: +- Database methods: `get_document_versions()` and `get_vault_history()` in `database.rs`, plus a `VaultHistoryRow` helper struct for `sqlx::query_as!` +- Handlers: `fetch_document_versions.rs`, `fetch_vault_history.rs`, `restore_document_version.rs` +- Response type: `VaultHistoryResponse { versions, hasMore }` in `responses.rs` +- SPA serving: `rust-embed` embeds `frontend/history-ui/dist/` into the binary; `index.rs` serves the SPA at `/` and assets at `/assets/*` + +Client-side component hierarchy: +- `App.svelte` — session restore, routing +- `Login.svelte` — vault name + token auth via `/ping` +- `Dashboard.svelte` — main layout: file tree sidebar, activity feed, time-travel slider +- `DocumentDetail.svelte` — version timeline, content preview, diff view, restore +- `DiffView.svelte` — unified diff with LCS algorithm +- `FileTree.svelte` — recursive tree built from flat `relativePath` values +- `ActivityFeed.svelte` — git-log-style feed with action pills (created/updated/renamed/deleted/restored) +- `TimeSlider.svelte` — scrubs through `vaultUpdateId` range, reconstructs vault state at any point + +State is managed with Svelte 5 runes (`$state`, `$derived`, `$effect`) in `lib/stores.svelte.ts`. Auth is stored in `sessionStorage`. The API client (`lib/api.ts`) sets `Authorization: Bearer` and `device-id: history-ui` headers on all requests. + ## Development Commands +### Initial Setup + +**Node.js (requires version 25):** + +```bash +curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash +nvm install 25 +nvm use 25 +nvm alias default 25 # Optional: set as system default +``` + +**Rust:** + +```bash +curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh +curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh +cargo install sqlx-cli cargo-machete cargo-edit cargo-insta +``` + +**Frontend:** + +```bash +cd frontend +npm install +``` + ### Server Development + ```bash cd sync-server cargo run config-e2e.yml # Start development server -cargo test --verbose # Run Rust tests +cargo test --verbose # Run all Rust tests +cargo test # Run specific test cargo clippy --all-targets --all-features # Lint Rust code cargo clippy --all-targets --all-features --fix --allow-dirty --allow-staged # Auto-fix clippy warnings cargo fmt --all -- --check # Check Rust formatting @@ -36,75 +118,374 @@ cargo machete --with-metadata # Detect unused dependencies ``` ### Frontend Development + ```bash cd frontend npm run dev # Start development mode (watches sync-client and obsidian-plugin) npm run build # Build all workspaces -npm run test # Run all tests -npm run lint # Lint and format TypeScript code +npm run build -w sync-client # Build specific workspace +npm run test # Run all tests across all workspaces +npm run test -w sync-client # Run tests for specific workspace +npm run lint # Lint and format TypeScript code with ESLint + Prettier ``` -### Database Setup (Development) +### History UI Development + +```bash +cd frontend +npm run dev -w history-ui # Start Vite dev server (localhost:5173, proxies API to localhost:3000) +npm run build -w history-ui # Build for production (output: frontend/history-ui/dist/) +``` + +The history UI is a Svelte 5 SPA embedded in the server binary via `rust-embed`. The build flow is: + +1. `npm run build -w history-ui` produces `frontend/history-ui/dist/` +2. The Rust server embeds these files at compile time (`sync-server/src/server/index.rs`) +3. The server serves `index.html` at `GET /` and static assets at `GET /assets/*` +4. If the dist directory doesn't exist at Rust compile time, `build.rs` creates a placeholder + +During development, run the Vite dev server separately and use its proxy to forward API calls to the running sync server. + +### Database Operations + ```bash cd sync-server +# Create/reset database for development +rm -rf db.sqlite* sqlx database create --database-url sqlite://db.sqlite3 sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 cargo sqlx prepare --workspace + +# Add new migration +sqlx migrate add --source src/app_state/database/migrations +sqlx migrate run --source src/app_state/database/migrations --database-url sqlite://db.sqlite3 ``` -### Initial Setup -```bash -# Install required cargo tools -cargo install sqlx-cli cargo-machete cargo-edit -``` +### Project Scripts -### Scripts -- `scripts/check.sh`: Full CI check (builds, lints, tests both server and frontend) +- `scripts/check.sh`: Full CI check (builds, lints, tests both server and frontend). **Run before pushing.** - `scripts/check.sh --fix`: Same as above but auto-fixes linting and formatting issues -- `scripts/e2e.sh`: End-to-end testing +- `scripts/e2e.sh`: End-to-end testing (e.g., `scripts/e2e.sh 8` for 8 concurrent clients) - `scripts/clean-up.sh`: Clean logs and database files -- `scripts/bump-version.sh patch`: Publish new version -- `scripts/update-api-types.sh`: Update TypeScript bindings from Rust types +- `scripts/bump-version.sh patch`: Publish new version (options: patch, minor, major) +- `scripts/update-api-types.sh`: Update TypeScript bindings from Rust types (uses ts-rs) ## Code Structure ### Workspace Configuration -The frontend uses npm workspaces with four packages: -- `sync-client`: Core synchronization logic + +The frontend uses npm workspaces with five packages: + +- `sync-client`: Core synchronization logic (builds dual bundles for web and Node.js) - `obsidian-plugin`: Obsidian-specific integration -- `test-client`: Testing utilities +- `test-client`: Testing utilities for E2E tests - `local-client-cli`: Standalone CLI for VaultLink sync client +- `history-ui`: Svelte 5 SPA for vault history browsing (built with Vite, embedded in server binary) -### Type Generation -Rust structs generate TypeScript types via ts-rs crate, stored in `sync-server/bindings/` and used by frontend packages. +### Type Generation and API Updates -### Key Files -- `sync-server/src/`: Rust server implementation with WebSocket handlers -- `frontend/sync-client/src/sync-client.ts`: Main sync client entry point -- `frontend/obsidian-plugin/src/vault-link-plugin.ts`: Main Obsidian plugin class -- `frontend/sync-client/src/services/sync-service.ts`: Core synchronization logic +Rust structs generate TypeScript types via ts-rs crate: + +1. Rust structs annotated with `#[derive(TS)]` export to `sync-server/bindings/` +2. Run `scripts/update-api-types.sh` to copy bindings to `frontend/sync-client/src/services/types/` +3. Frontend imports these types for type-safe API communication + +### Important Implementation Details + +**SQLx Compile-Time Verification:** + +- SQLx verifies SQL queries at compile time against the database schema +- Run `cargo sqlx prepare --workspace` after schema changes to update `.sqlx/` directory +- CI builds require prepared query metadata to avoid needing a live database ## Testing ### Running Tests -- Server: `cargo test --verbose` -- Frontend: `npm run test` (runs Jest across all workspaces) -- E2E: `scripts/e2e.sh` + +**Server:** + +```bash +cargo test --verbose # All tests +cargo test # Specific test +``` + +**Frontend:** + +```bash +npm run test # All workspaces +npm run test -w sync-client # Specific workspace +``` + +**E2E:** + +```bash +scripts/e2e.sh 8 # 8 concurrent clients +scripts/clean-up.sh # Clean up after tests +``` ### Test Structure -- Rust: Unit tests alongside source files -- TypeScript: `.test.ts` files using Jest -- E2E: Uses test-client to simulate multiple concurrent users -## Code Style +- **Rust**: Unit tests alongside source files, uses `cargo-insta` for snapshot testing +- **TypeScript**: `.test.ts` files using Node.js native test runner (not Jest) +- **E2E**: Uses `test-client` to simulate multiple concurrent users with random operations + +## Code Style and Formatting ### Rust -- Uses extensive Clippy lints (see Cargo.toml) -- Follows pedantic linting rules + +- Extensive Clippy lints (see `Cargo.toml`) +- Pedantic linting rules enabled - Forbids unsafe code -- Uses cargo fmt with default settings +- Uses `rustfmt.toml` for formatting configuration (4 spaces, Unix line endings) +- Run `cargo fmt --all` to format ### TypeScript -- Prettier configuration: 4-space tabs, trailing commas removed, LF line endings -- ESLint with unused imports plugin -- Consistent across all three frontend packages + +- **Prettier**: 4-space indentation, no trailing commas, LF line endings +- **YAML/Markdown override**: 2-space indentation (via prettier config) +- **ESLint**: Strict rules with unused imports detection +- Configuration in `frontend/package.json` +- Run `npm run lint` to format and fix issues + +### Svelte (History UI) + +- Uses Svelte 5 runes syntax (`$state`, `$derived`, `$effect`, `$props`) +- Vite as bundler with `@sveltejs/vite-plugin-svelte` +- Excluded from the main ESLint config (Svelte files need different linting); `history-ui/**` is in the eslint ignores list +- CSS is component-scoped via Svelte's ` diff --git a/frontend/history-ui/src/app.css b/frontend/history-ui/src/app.css new file mode 100644 index 00000000..ff3e6a9c --- /dev/null +++ b/frontend/history-ui/src/app.css @@ -0,0 +1,101 @@ +:root { + --bg: #0d1117; + --bg-secondary: #161b22; + --bg-tertiary: #21262d; + --bg-hover: #30363d; + --border: #30363d; + --border-light: #21262d; + --text: #e6edf3; + --text-muted: #8b949e; + --text-subtle: #6e7681; + --accent: #58a6ff; + --accent-hover: #79c0ff; + --green: #3fb950; + --green-bg: rgba(63, 185, 80, 0.15); + --red: #f85149; + --red-bg: rgba(248, 81, 73, 0.15); + --orange: #d29922; + --orange-bg: rgba(210, 153, 34, 0.15); + --purple: #bc8cff; + --purple-bg: rgba(188, 140, 255, 0.15); + --blue: #58a6ff; + --blue-bg: rgba(88, 166, 255, 0.15); + --mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace; + --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Noto Sans, Helvetica, Arial, sans-serif; + --radius: 6px; + --radius-sm: 4px; + --shadow: 0 1px 3px rgba(0, 0, 0, 0.3); +} + +* { + margin: 0; + padding: 0; + box-sizing: border-box; +} + +html, body, #app { + height: 100%; + width: 100%; + overflow: hidden; +} + +body { + font-family: var(--sans); + font-size: 14px; + line-height: 1.5; + color: var(--text); + background: var(--bg); + -webkit-font-smoothing: antialiased; +} + +button { + font-family: inherit; + font-size: inherit; + cursor: pointer; + border: none; + background: none; + color: inherit; +} + +input { + font-family: inherit; + font-size: inherit; + color: inherit; + background: var(--bg); + border: 1px solid var(--border); + border-radius: var(--radius); + padding: 8px 12px; + outline: none; + transition: border-color 0.15s; +} + +input:focus { + border-color: var(--accent); +} + +a { + color: var(--accent); + text-decoration: none; +} + +a:hover { + text-decoration: underline; +} + +::-webkit-scrollbar { + width: 8px; + height: 8px; +} + +::-webkit-scrollbar-track { + background: transparent; +} + +::-webkit-scrollbar-thumb { + background: var(--bg-tertiary); + border-radius: 4px; +} + +::-webkit-scrollbar-thumb:hover { + background: var(--bg-hover); +} diff --git a/frontend/history-ui/src/components/ActivityFeed.svelte b/frontend/history-ui/src/components/ActivityFeed.svelte new file mode 100644 index 00000000..c1c82c29 --- /dev/null +++ b/frontend/history-ui/src/components/ActivityFeed.svelte @@ -0,0 +1,346 @@ + + +
+ {#if loading && versions.length === 0} +
Loading activity...
+ {:else if versions.length === 0} +
+ No activity yet. Documents will appear here as sync clients + make changes. +
+ {:else} + {#each grouped as group} +
+
{group.date}
+
+ {#each group.items as event} +
+ + +
+ {/each} +
+
+ {/each} + + {#if hasMore} +
+ +
+ {/if} + {/if} +
+ + diff --git a/frontend/history-ui/src/components/ConfirmDialog.svelte b/frontend/history-ui/src/components/ConfirmDialog.svelte new file mode 100644 index 00000000..e91f790a --- /dev/null +++ b/frontend/history-ui/src/components/ConfirmDialog.svelte @@ -0,0 +1,167 @@ + + + + + + + + diff --git a/frontend/history-ui/src/components/Dashboard.svelte b/frontend/history-ui/src/components/Dashboard.svelte new file mode 100644 index 00000000..d7fab282 --- /dev/null +++ b/frontend/history-ui/src/components/Dashboard.svelte @@ -0,0 +1,507 @@ + + +
+
+ +
+ + + + +
+ {#if maxUpdateId > 0} +
+ { + timeSliderValue = v; + }} + /> +
+ {/if} + + {#if selectedDocumentId} + nav.goHome()} + onRestore={handleRefresh} + /> + {:else} +
+ + +
+ + {#if activeTab === "activity"} + { + timeSliderValue = id >= maxUpdateId ? null : id; + }} + /> + {:else} +
+ {#each latestDocuments + .filter((d) => showDeleted || !d.isDeleted) + .sort((a, b) => b.vaultUpdateId - a.vaultUpdateId) as doc} + + {/each} +
+ {/if} + {/if} +
+
+
+ + diff --git a/frontend/history-ui/src/components/DiffView.svelte b/frontend/history-ui/src/components/DiffView.svelte new file mode 100644 index 00000000..be97952c --- /dev/null +++ b/frontend/history-ui/src/components/DiffView.svelte @@ -0,0 +1,288 @@ + + +
+
+ {oldLabel} + → + {newLabel} + + +{stats.added} + -{stats.removed} + +
+
+ {#each diffLines as line} +
+ + {line.oldLineNo ?? ""} + + + {line.newLineNo ?? ""} + + + {#if line.type === "add"}+{:else if line.type === "remove"}-{:else} {/if} + + {line.content} +
+ {/each} +
+
+ + diff --git a/frontend/history-ui/src/components/DocumentDetail.svelte b/frontend/history-ui/src/components/DocumentDetail.svelte new file mode 100644 index 00000000..556a5e8d --- /dev/null +++ b/frontend/history-ui/src/components/DocumentDetail.svelte @@ -0,0 +1,712 @@ + + +
+ +
+ +
+
+ + {currentPath} + + {#if isDeleted} + Deleted + {:else} + Active + {/if} +
+
+ + {documentId.substring(0, 8)}... + + {#if latest} + · + {versions.length} version{versions.length !== 1 ? "s" : ""} + · + Last by {latest.userId} + {/if} +
+
+
+ + {#if loading} +
Loading versions...
+ {:else} + +
+
+ {#if selectedVersion} +
+ + +
+ + Viewing v#{selectedVersion.vaultUpdateId} + · + {relativeTime(selectedVersion.updatedDate)} + +
+ +
+ {#if loadingContent} +
Loading content...
+ {:else if activeTab === "diff" && diffOldContent !== null && diffNewContent !== null} + + {:else if activeTab === "preview"} + {#if isTextFile(selectedVersion.relativePath) || fileExtension(selectedVersion.relativePath) === ""} + 
{loadedContent ?? ""}
+ {:else if isImageFile(selectedVersion.relativePath) && loadedContentBytes} +
+ {selectedVersion.relativePath} +
+ {:else} +
+
📦
+
Binary file
+
+ {formatBytes(selectedVersion.contentSize)} +
+
+ {/if} + {/if} +
+ {/if} +
+ + +
+
Version History
+
+ {#each [...versionEvents].reverse() as event, i} + {@const v = event.version} + {@const isSelected = selectedVersion?.vaultUpdateId === v.vaultUpdateId} +
+ + {#if event.previousPath} +
+ {event.previousPath} → {v.relativePath} +
+ {/if} +
+ {#if i < versionEvents.length - 1} + + {/if} + {#if v !== latest} + + {/if} +
+
+ {/each} +
+
+
+ {/if} +
+ +{#if showRestoreDialog && restoreTarget} + { + showRestoreDialog = false; + restoreTarget = null; + }} + /> +{/if} + + diff --git a/frontend/history-ui/src/components/FileTree.svelte b/frontend/history-ui/src/components/FileTree.svelte new file mode 100644 index 00000000..ec72cbf9 --- /dev/null +++ b/frontend/history-ui/src/components/FileTree.svelte @@ -0,0 +1,124 @@ + + +{#if node.isFolder && depth === 0} + {#each node.children as child} + + {/each} +{:else if node.isFolder} +
+ + {#if isExpanded(node.path)} + {#each node.children as child} + + {/each} + {/if} +
+{:else} + +{/if} + + diff --git a/frontend/history-ui/src/components/Header.svelte b/frontend/history-ui/src/components/Header.svelte new file mode 100644 index 00000000..882781b5 --- /dev/null +++ b/frontend/history-ui/src/components/Header.svelte @@ -0,0 +1,126 @@ + + +
+
+ + + + + + VaultLink + / + {vaultId} +
+ +
+ v{serverVersion} + + +
+
+ + diff --git a/frontend/history-ui/src/components/Login.svelte b/frontend/history-ui/src/components/Login.svelte new file mode 100644 index 00000000..96ec2fad --- /dev/null +++ b/frontend/history-ui/src/components/Login.svelte @@ -0,0 +1,194 @@ + + + + + diff --git a/frontend/history-ui/src/components/TimeSlider.svelte b/frontend/history-ui/src/components/TimeSlider.svelte new file mode 100644 index 00000000..79e9e5de --- /dev/null +++ b/frontend/history-ui/src/components/TimeSlider.svelte @@ -0,0 +1,191 @@ + + +
+
+ + + + + Time Travel +
+ +
+ +
+ +
+ {#if isNow} + Now + {:else if currentVersion} + + #{value} + · + {relativeTime(currentVersion.updatedDate)} + + {:else} + #{value} + {/if} +
+ + {#if !isNow} + + {/if} +
+ + diff --git a/frontend/history-ui/src/components/ToastContainer.svelte b/frontend/history-ui/src/components/ToastContainer.svelte new file mode 100644 index 00000000..39ab1705 --- /dev/null +++ b/frontend/history-ui/src/components/ToastContainer.svelte @@ -0,0 +1,80 @@ + + +{#if toasts.items.length > 0} +
+ {#each toasts.items as toast (toast.id)} +
+ {toast.message} + +
+ {/each} +
+{/if} + + diff --git a/frontend/history-ui/src/lib/api.ts b/frontend/history-ui/src/lib/api.ts new file mode 100644 index 00000000..db57831f --- /dev/null +++ b/frontend/history-ui/src/lib/api.ts @@ -0,0 +1,109 @@ +import type { + DocumentVersion, + DocumentVersionWithoutContent, + FetchLatestDocumentsResponse, + PingResponse, + VaultHistoryResponse +} from "./types"; + +export class ApiClient { + constructor( + private vaultId: string, + private token: string + ) {} + + private get baseUrl(): string { + return `/vaults/${encodeURIComponent(this.vaultId)}`; + } + + private headers(): Record { + return { + Authorization: `Bearer ${this.token}`, + "device-id": "history-ui" + }; + } + + private async fetchJson( + path: string, + init?: RequestInit + ): Promise { + const response = await fetch(path, { + ...init, + headers: { ...this.headers(), ...init?.headers } + }); + if (!response.ok) { + const body = await response.text(); + throw new Error(`HTTP ${response.status}: ${body}`); + } + return response.json() as Promise; + } + + async ping(): Promise { + return this.fetchJson(`${this.baseUrl}/ping`); + } + + async fetchLatestDocuments(): Promise { + return this.fetchJson(`${this.baseUrl}/documents`); + } + + async fetchDocumentVersions( + documentId: string + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/versions` + ); + } + + async fetchDocumentVersion( + documentId: string, + vaultUpdateId: number + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}` + ); + } + + async fetchDocumentVersionContent( + documentId: string, + vaultUpdateId: number + ): Promise { + const response = await fetch( + `${this.baseUrl}/documents/${documentId}/versions/${vaultUpdateId}/content`, + { headers: this.headers() } + ); + if (!response.ok) { + throw new Error(`HTTP ${response.status}`); + } + return response.arrayBuffer(); + } + + async fetchVaultHistory( + limit?: number, + beforeUpdateId?: number + ): Promise { + const params = new URLSearchParams(); + if (limit !== undefined) params.set("limit", String(limit)); + if (beforeUpdateId !== undefined) + params.set("before_update_id", String(beforeUpdateId)); + const qs = params.toString(); + return this.fetchJson( + `${this.baseUrl}/history${qs ? `?${qs}` : ""}` + ); + } + + async restoreVersion( + documentId: string, + vaultUpdateId: number + ): Promise { + return this.fetchJson( + `${this.baseUrl}/documents/${documentId}/restore`, + { + method: "POST", + headers: { + "Content-Type": "application/json" + }, + body: JSON.stringify({ vaultUpdateId }) + } + ); + } +} diff --git a/frontend/history-ui/src/lib/stores.svelte.ts b/frontend/history-ui/src/lib/stores.svelte.ts new file mode 100644 index 00000000..2046bc9d --- /dev/null +++ b/frontend/history-ui/src/lib/stores.svelte.ts @@ -0,0 +1,291 @@ +import { ApiClient } from "./api"; +import type { + DocumentVersionWithoutContent, + VersionEvent, + ActionType, + TreeNode +} from "./types"; + +class AuthStore { + vaultId = $state(""); + token = $state(""); + isAuthenticated = $state(false); + serverVersion = $state(""); + api = $state(null); + + login(vaultId: string, token: string, serverVersion: string) { + this.vaultId = vaultId; + this.token = token; + this.serverVersion = serverVersion; + this.isAuthenticated = true; + this.api = new ApiClient(vaultId, token); + sessionStorage.setItem( + "vaultlink_auth", + JSON.stringify({ vaultId, token }) + ); + } + + logout() { + this.vaultId = ""; + this.token = ""; + this.isAuthenticated = false; + this.serverVersion = ""; + this.api = null; + sessionStorage.removeItem("vaultlink_auth"); + } + + tryRestore(): { vaultId: string; token: string } | null { + const stored = sessionStorage.getItem("vaultlink_auth"); + if (!stored) return null; + try { + return JSON.parse(stored) as { + vaultId: string; + token: string; + }; + } catch { + return null; + } + } +} + +export const auth = new AuthStore(); + +// Navigation +export type View = + | { kind: "dashboard" } + | { kind: "document"; documentId: string }; + +class NavStore { + current = $state({ kind: "dashboard" }); + + goto(view: View) { + this.current = view; + } + + goHome() { + this.current = { kind: "dashboard" }; + } +} + +export const nav = new NavStore(); + +// Toasts +export interface Toast { + id: number; + message: string; + type: "success" | "error" | "info"; +} + +class ToastStore { + items = $state([]); + private nextId = 0; + + add(message: string, type: Toast["type"] = "info") { + const id = this.nextId++; + this.items.push({ id, message, type }); + setTimeout(() => this.dismiss(id), 5000); + } + + dismiss(id: number) { + this.items = this.items.filter((t) => t.id !== id); + } +} + +export const toasts = new ToastStore(); + +// Utilities + +export function inferAction( + version: DocumentVersionWithoutContent, + previousVersion?: DocumentVersionWithoutContent +): ActionType { + if (version.isDeleted) return "deleted"; + if (!previousVersion) return "created"; + if ( + previousVersion.isDeleted && + !version.isDeleted + ) + return "restored"; + if (previousVersion.relativePath !== version.relativePath) + return "renamed"; + return "updated"; +} + +export function enrichVersions( + versions: DocumentVersionWithoutContent[] +): VersionEvent[] { + // versions should be sorted by vaultUpdateId ascending + const sorted = [...versions].sort( + (a, b) => a.vaultUpdateId - b.vaultUpdateId + ); + const byDoc = new Map(); + for (const v of sorted) { + let arr = byDoc.get(v.documentId); + if (!arr) { + arr = []; + byDoc.set(v.documentId, arr); + } + arr.push(v); + } + + return sorted.map((v) => { + const docVersions = byDoc.get(v.documentId)!; + const idx = docVersions.indexOf(v); + const prev = idx > 0 ? docVersions[idx - 1] : undefined; + const action = inferAction(v, prev); + return { + ...v, + action, + previousPath: + action === "renamed" ? prev?.relativePath : undefined + }; + }); +} + +export function buildTree( + documents: DocumentVersionWithoutContent[], + showDeleted: boolean +): TreeNode { + const root: TreeNode = { + name: "", + path: "", + isFolder: true, + children: [] + }; + + const filtered = showDeleted + ? documents + : documents.filter((d) => !d.isDeleted); + + for (const doc of filtered) { + const parts = doc.relativePath.split("/"); + let current = root; + + for (let i = 0; i < parts.length; i++) { + const part = parts[i]; + const isFile = i === parts.length - 1; + const path = parts.slice(0, i + 1).join("/"); + + if (isFile) { + current.children.push({ + name: part, + path, + isFolder: false, + children: [], + document: doc, + isDeleted: doc.isDeleted + }); + } else { + let folder = current.children.find( + (c) => c.isFolder && c.name === part + ); + if (!folder) { + folder = { + name: part, + path, + isFolder: true, + children: [] + }; + current.children.push(folder); + } + current = folder; + } + } + } + + sortTree(root); + return root; +} + +function sortTree(node: TreeNode) { + node.children.sort((a, b) => { + if (a.isFolder !== b.isFolder) return a.isFolder ? -1 : 1; + return a.name.localeCompare(b.name); + }); + for (const child of node.children) { + if (child.isFolder) sortTree(child); + } +} + +export function relativeTime(dateStr: string): string { + const date = new Date(dateStr); + const now = Date.now(); + const diff = now - date.getTime(); + const seconds = Math.floor(diff / 1000); + const minutes = Math.floor(seconds / 60); + const hours = Math.floor(minutes / 60); + const days = Math.floor(hours / 24); + + if (seconds < 60) return "just now"; + if (minutes < 60) return `${minutes}m ago`; + if (hours < 24) return `${hours}h ago`; + if (days < 7) return `${days}d ago`; + return date.toLocaleDateString("en-US", { + month: "short", + day: "numeric", + year: days > 365 ? "numeric" : undefined + }); +} + +export function absoluteTime(dateStr: string): string { + return new Date(dateStr).toLocaleString(); +} + +export function formatBytes(bytes: number): string { + if (bytes === 0) return "0 B"; + const k = 1024; + const sizes = ["B", "KB", "MB", "GB"]; + const i = Math.floor(Math.log(bytes) / Math.log(k)); + return `${parseFloat((bytes / Math.pow(k, i)).toFixed(1))} ${sizes[i]}`; +} + +export function fileExtension(path: string): string { + const dot = path.lastIndexOf("."); + return dot > -1 ? path.substring(dot + 1).toLowerCase() : ""; +} + +export function isTextFile(path: string): boolean { + const textExts = new Set([ + "md", + "txt", + "json", + "yaml", + "yml", + "toml", + "xml", + "html", + "css", + "js", + "ts", + "svelte", + "rs", + "py", + "sh", + "bash", + "zsh", + "csv", + "svg", + "log", + "conf", + "cfg", + "ini", + "env", + "gitignore", + "editorconfig" + ]); + return textExts.has(fileExtension(path)); +} + +export function isImageFile(path: string): boolean { + const imageExts = new Set([ + "png", + "jpg", + "jpeg", + "gif", + "webp", + "svg", + "ico", + "bmp" + ]); + return imageExts.has(fileExtension(path)); +} diff --git a/frontend/history-ui/src/lib/types.ts b/frontend/history-ui/src/lib/types.ts new file mode 100644 index 00000000..ea7a361f --- /dev/null +++ b/frontend/history-ui/src/lib/types.ts @@ -0,0 +1,54 @@ +export interface DocumentVersionWithoutContent { + vaultUpdateId: number; + documentId: string; + relativePath: string; + updatedDate: string; + isDeleted: boolean; + userId: string; + deviceId: string; + contentSize: number; +} + +export interface DocumentVersion { + vaultUpdateId: number; + documentId: string; + relativePath: string; + updatedDate: string; + contentBase64: string; + isDeleted: boolean; + userId: string; + deviceId: string; +} + +export interface FetchLatestDocumentsResponse { + latestDocuments: DocumentVersionWithoutContent[]; + lastUpdateId: number; +} + +export interface VaultHistoryResponse { + versions: DocumentVersionWithoutContent[]; + hasMore: boolean; +} + +export interface PingResponse { + serverVersion: string; + isAuthenticated: boolean; + mergeableFileExtensions: string[]; + supportedApiVersion: number; +} + +export type ActionType = "created" | "updated" | "renamed" | "deleted" | "restored"; + +export interface VersionEvent extends DocumentVersionWithoutContent { + action: ActionType; + previousPath?: string; +} + +export interface TreeNode { + name: string; + path: string; + isFolder: boolean; + children: TreeNode[]; + document?: DocumentVersionWithoutContent; + isDeleted?: boolean; +} diff --git a/frontend/history-ui/src/main.ts b/frontend/history-ui/src/main.ts new file mode 100644 index 00000000..c72cabd0 --- /dev/null +++ b/frontend/history-ui/src/main.ts @@ -0,0 +1,7 @@ +import { mount } from "svelte"; +import App from "./App.svelte"; +import "./app.css"; + +const app = mount(App, { target: document.getElementById("app")! }); + +export default app; diff --git a/frontend/history-ui/svelte.config.js b/frontend/history-ui/svelte.config.js new file mode 100644 index 00000000..76a68bfc --- /dev/null +++ b/frontend/history-ui/svelte.config.js @@ -0,0 +1,5 @@ +import { vitePreprocess } from "@sveltejs/vite-plugin-svelte"; + +export default { + preprocess: vitePreprocess() +}; diff --git a/frontend/history-ui/tsconfig.json b/frontend/history-ui/tsconfig.json new file mode 100644 index 00000000..216dc140 --- /dev/null +++ b/frontend/history-ui/tsconfig.json @@ -0,0 +1,16 @@ +{ + "compilerOptions": { + "target": "ESNext", + "module": "ESNext", + "moduleResolution": "bundler", + "strict": true, + "esModuleInterop": true, + "skipLibCheck": true, + "forceConsistentCasingInFileNames": true, + "resolveJsonModule": true, + "isolatedModules": true, + "verbatimModuleSyntax": true, + "types": ["svelte"] + }, + "include": ["src/**/*", "src/**/*.svelte"] +} diff --git a/frontend/history-ui/vite.config.ts b/frontend/history-ui/vite.config.ts new file mode 100644 index 00000000..4c1d6004 --- /dev/null +++ b/frontend/history-ui/vite.config.ts @@ -0,0 +1,15 @@ +import { defineConfig } from "vite"; +import { svelte } from "@sveltejs/vite-plugin-svelte"; + +export default defineConfig({ + plugins: [svelte()], + build: { + outDir: "dist", + emptyOutDir: true + }, + server: { + proxy: { + "/vaults": "http://localhost:3011" + } + } +}); diff --git a/frontend/local-client-cli/Dockerfile b/frontend/local-client-cli/Dockerfile index 695ab587..0dfa7055 100644 --- a/frontend/local-client-cli/Dockerfile +++ b/frontend/local-client-cli/Dockerfile @@ -1,4 +1,4 @@ -FROM node:22-slim AS builder +FROM node:25-slim AS builder WORKDIR /build @@ -7,7 +7,7 @@ COPY . . RUN npm ci RUN npm run build -FROM node:22-alpine +FROM node:25-alpine LABEL org.opencontainers.image.title="VaultLink Local CLI" LABEL org.opencontainers.image.description="Standalone CLI for VaultLink sync client" diff --git a/frontend/local-client-cli/README.md b/frontend/local-client-cli/README.md index 0585bacc..114b25cb 100644 --- a/frontend/local-client-cli/README.md +++ b/frontend/local-client-cli/README.md @@ -47,24 +47,25 @@ vaultlink \ ### Required -| Option | Description | -|--------|-------------| -| `-l, --local-path ` | Local directory to sync | -| `-r, --remote-uri ` | Remote server WebSocket URI (ws:// or wss://) | -| `-t, --token ` | Authentication token | -| `-v, --vault-name ` | Vault name on server | +| Option | Description | +| ------------------------- | --------------------------------------------- | +| `-l, --local-path ` | Local directory to sync | +| `-r, --remote-uri ` | Remote server WebSocket URI (ws:// or wss://) | +| `-t, --token ` | Authentication token | +| `-v, --vault-name ` | Vault name on server | ### Optional -| Option | Default | Description | -|--------|---------|-------------| -| `--sync-concurrency ` | `1` | Concurrent sync operations | -| `--max-file-size-mb ` | `10` | Maximum file size in MB | -| `--ignore-pattern ` | - | Glob pattern to ignore (repeatable) | -| `--websocket-retry-interval-ms ` | `3500` | WebSocket reconnection interval | -| `--log-level ` | `INFO` | Log level: DEBUG, INFO, WARNING, ERROR | -| `-h, --help` | - | Show help | -| `-V, --version` | - | Show version | +| Option | Default | Description | +| ------------------------------------ | ------- | ---------------------------------------------------- | +| `--max-file-size-mb ` | `10` | Maximum file size in MB | +| `--ignore-pattern ` | - | Glob pattern to ignore (repeatable) | +| `--websocket-retry-interval-ms ` | `3500` | WebSocket reconnection interval | +| `--log-level ` | `INFO` | Log level: DEBUG, INFO, WARNING, ERROR | +| `--line-endings ` | `auto` | Line ending style: auto, lf, crlf | +| `-q, --quiet` | - | Suppress startup banner for non-interactive use | +| `-h, --help` | - | Show help | +| `-V, --version` | - | Show version | ### Auto-Ignored Patterns @@ -74,22 +75,32 @@ vaultlink \ ### Examples Basic usage: + ```bash vaultlink -l ./vault -r wss://sync.example.com -t token123 -v default ``` With ignore patterns: + ```bash vaultlink -l ./vault -r wss://sync.example.com -t token123 -v default \ - --ignore-pattern "*.tmp" \ + --ignore-pattern "**/*.tmp" \ --ignore-pattern ".DS_Store" \ --ignore-pattern "node_modules/**" ``` -With debug logging: +With debug logging and quiet startup: + ```bash vaultlink -l ./vault -r wss://sync.example.com -t token123 -v default \ - --log-level DEBUG + --log-level DEBUG --quiet +``` + +Force LF line endings (useful for cross-platform vaults): + +```bash +vaultlink -l ./vault -r wss://sync.example.com -t token123 -v default \ + --line-endings lf ``` ## Docker Deployment @@ -176,6 +187,7 @@ services: ## Development Build: + ```bash npm run build # or from the parent folder, run @@ -183,11 +195,13 @@ docker build -f local-client-cli/Dockerfile . ``` Test: + ```bash npm test ``` Docker build: + ```bash cd frontend docker build -f local-client-cli/Dockerfile -t vault-link-cli:test . diff --git a/frontend/local-client-cli/package.json b/frontend/local-client-cli/package.json index cade4990..a862b297 100644 --- a/frontend/local-client-cli/package.json +++ b/frontend/local-client-cli/package.json @@ -11,18 +11,16 @@ "build": "webpack --mode production", "test": "tsx --test 'src/**/*.test.ts'" }, - "dependencies": { - "commander": "^14.0.2", - "watcher": "^2.3.1" - }, "devDependencies": { - "@types/node": "^24.8.1", + "commander": "^14.0.2", + "watcher": "^2.3.1", + "@types/node": "^25.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "webpack": "^5.99.9", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/local-client-cli/src/args.test.ts b/frontend/local-client-cli/src/args.test.ts index eb195538..c075d193 100644 --- a/frontend/local-client-cli/src/args.test.ts +++ b/frontend/local-client-cli/src/args.test.ts @@ -55,13 +55,10 @@ test("parseArgs - parse with optional arguments", () => { "mytoken", "-v", "default", - "--sync-concurrency", - "5", "--max-file-size-mb", "20" ]); - assert.equal(args.syncConcurrency, 5); assert.equal(args.maxFileSizeMB, 20); }); @@ -228,3 +225,226 @@ test("parseArgs - throws on invalid log level", () => { ]); }, /Invalid log level/); }); + +test("parseArgs - reads required options from environment variables", () => { + process.env.VAULTLINK_LOCAL_PATH = "/env/path"; + process.env.VAULTLINK_REMOTE_URI = "https://env.example.com"; + process.env.VAULTLINK_TOKEN = "env-token"; + process.env.VAULTLINK_VAULT_NAME = "env-vault"; + + try { + const args = parseArgs(["node", "cli.js"]); + assert.equal(args.localPath, "/env/path"); + assert.equal(args.remoteUri, "https://env.example.com"); + assert.equal(args.token, "env-token"); + assert.equal(args.vaultName, "env-vault"); + } finally { + delete process.env.VAULTLINK_LOCAL_PATH; + delete process.env.VAULTLINK_REMOTE_URI; + delete process.env.VAULTLINK_TOKEN; + delete process.env.VAULTLINK_VAULT_NAME; + } +}); + +test("parseArgs - CLI arguments take precedence over environment variables", () => { + process.env.VAULTLINK_TOKEN = "env-token"; + + try { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "cli-token", + "-v", + "default" + ]); + assert.equal(args.token, "cli-token"); + } finally { + delete process.env.VAULTLINK_TOKEN; + } +}); + +test("parseArgs - reads log level from environment variable", () => { + process.env.VAULTLINK_LOG_LEVEL = "DEBUG"; + + try { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default" + ]); + assert.equal(args.logLevel, LogLevel.DEBUG); + } finally { + delete process.env.VAULTLINK_LOG_LEVEL; + } +}); + +test("parseArgs - quiet defaults to false", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default" + ]); + + assert.equal(args.quiet, false); +}); + +test("parseArgs - parse --quiet flag", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default", + "--quiet" + ]); + + assert.equal(args.quiet, true); +}); + +test("parseArgs - parse -q short flag", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default", + "-q" + ]); + + assert.equal(args.quiet, true); +}); + +test("parseArgs - line-endings defaults to auto", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default" + ]); + + assert.equal(args.lineEndings, "auto"); +}); + +test("parseArgs - parse --line-endings lf", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default", + "--line-endings", + "lf" + ]); + + assert.equal(args.lineEndings, "lf"); +}); + +test("parseArgs - parse --line-endings crlf", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "https://sync.example.com", + "-t", + "mytoken", + "-v", + "default", + "--line-endings", + "crlf" + ]); + + assert.equal(args.lineEndings, "crlf"); +}); + +test("parseArgs - throws on invalid remote URI protocol", () => { + assert.throws(() => { + parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "ftp://sync.example.com", + "-t", + "mytoken", + "-v", + "default" + ]); + }, /Invalid remote URI/); +}); + +test("parseArgs - accepts http:// remote URI", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "http://localhost:3000", + "-t", + "mytoken", + "-v", + "default" + ]); + + assert.equal(args.remoteUri, "http://localhost:3000"); +}); + +test("parseArgs - accepts wss:// remote URI", () => { + const args = parseArgs([ + "node", + "cli.js", + "-l", + "/path/to/vault", + "-r", + "wss://sync.example.com", + "-t", + "mytoken", + "-v", + "default" + ]); + + assert.equal(args.remoteUri, "wss://sync.example.com"); +}); diff --git a/frontend/local-client-cli/src/args.ts b/frontend/local-client-cli/src/args.ts index 615b9d71..80ac146b 100644 --- a/frontend/local-client-cli/src/args.ts +++ b/frontend/local-client-cli/src/args.ts @@ -1,21 +1,26 @@ -import { Command } from "commander"; +import { Command, Option } from "commander"; import packageJson from "../package.json"; import { LogLevel } from "sync-client"; +export type LineEndingMode = "auto" | "lf" | "crlf"; + export interface CliArgs { remoteUri: string; token: string; vaultName: string; localPath: string; - syncConcurrency?: number; maxFileSizeMB?: number; ignorePatterns?: string[]; webSocketRetryIntervalMs?: number; logLevel: LogLevel; health?: string; enableTelemetry?: boolean; + quiet: boolean; + lineEndings: LineEndingMode; } +const VALID_URI_PREFIXES = ["http://", "https://", "ws://", "wss://"]; + export function parseArgs(argv: string[]): CliArgs { const program = new Command(); @@ -25,41 +30,86 @@ export function parseArgs(argv: string[]): CliArgs { "VaultLink Local CLI - Sync your vault to the local filesystem" ) .version(packageJson.version) - .option("-l, --local-path ", "Local directory path to sync") - .option("-r, --remote-uri ", "Remote server URI") - .option("-t, --token ", "Authentication token") - .option("-v, --vault-name ", "Vault name") - .option( - "--sync-concurrency ", - "[OPTIONAL] Number of concurrent sync operations", - parseInt + .addOption( + new Option( + "-l, --local-path ", + "Local directory path to sync" + ).env("VAULTLINK_LOCAL_PATH") ) - .option( - "--max-file-size-mb ", - "[OPTIONAL] Maximum file size in MB", - parseInt + .addOption( + new Option( + "-r, --remote-uri ", + "Remote server URI" + ).env("VAULTLINK_REMOTE_URI") ) - .option( - "--ignore-pattern ", - "[OPTIONAL] Patterns to ignore (can be specified multiple times)" + .addOption( + new Option( + "-t, --token ", + "Authentication token" + ).env("VAULTLINK_TOKEN") ) - .option( - "--websocket-retry-interval-ms ", - "[OPTIONAL] WebSocket retry interval in milliseconds", - parseInt + .addOption( + new Option( + "-v, --vault-name ", + "Vault name" + ).env("VAULTLINK_VAULT_NAME") ) - .option( - "--log-level ", - "[OPTIONAL] Log level (DEBUG, INFO, WARNING, ERROR)", - "INFO" + .addOption( + new Option( + "--max-file-size-mb ", + "[OPTIONAL] Maximum file size in MB" + ) + .argParser(parseInt) + .env("VAULTLINK_MAX_FILE_SIZE_MB") ) - .option( - "--health ", - "[OPTIONAL] Path to health status file for Docker healthcheck" + .addOption( + new Option( + "--ignore-pattern ", + "[OPTIONAL] Patterns to ignore (can be specified multiple times)" + ).env("VAULTLINK_IGNORE_PATTERNS") ) - .option( - "--enable-telemetry", - "[OPTIONAL] Enable telemetry (disabled by default)" + .addOption( + new Option( + "--websocket-retry-interval-ms ", + "[OPTIONAL] WebSocket retry interval in milliseconds" + ) + .argParser(parseInt) + .env("VAULTLINK_WEBSOCKET_RETRY_INTERVAL_MS") + ) + .addOption( + new Option( + "--log-level ", + "[OPTIONAL] Log level (DEBUG, INFO, WARNING, ERROR)" + ) + .default("INFO") + .env("VAULTLINK_LOG_LEVEL") + ) + .addOption( + new Option( + "--health ", + "[OPTIONAL] Path to health status file for Docker healthcheck" + ).env("VAULTLINK_HEALTH") + ) + .addOption( + new Option( + "--enable-telemetry", + "[OPTIONAL] Enable telemetry (disabled by default)" + ).env("VAULTLINK_ENABLE_TELEMETRY") + ) + .addOption( + new Option( + "-q, --quiet", + "[OPTIONAL] Suppress startup banner for non-interactive use" + ).env("VAULTLINK_QUIET") + ) + .addOption( + new Option( + "--line-endings ", + "[OPTIONAL] Line ending style: auto (platform default), lf, crlf" + ) + .default("auto") + .choices(["auto", "lf", "crlf"]) + .env("VAULTLINK_LINE_ENDINGS") ) .addHelpText( "after", @@ -67,9 +117,13 @@ export function parseArgs(argv: string[]): CliArgs { Examples: $ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default $ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default \\ - --ignore-pattern ".git/**" --ignore-pattern "*.tmp" + --ignore-pattern ".git/**" --ignore-pattern "**/*.tmp" $ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default \\ - --log-level DEBUG + --log-level DEBUG --quiet + +Environment variables: + All options can be configured via VAULTLINK_ prefixed environment variables. + CLI arguments take precedence over environment variables. ` ); @@ -81,7 +135,6 @@ Examples: const remoteUri = opts.remoteUri as string | undefined; const token = opts.token as string | undefined; const vaultName = opts.vaultName as string | undefined; - const syncConcurrency = opts.syncConcurrency as number | undefined; const maxFileSizeMb = opts.maxFileSizeMb as number | undefined; const ignorePattern = opts.ignorePattern as string[] | undefined; const websocketRetryIntervalMs = opts.websocketRetryIntervalMs as @@ -90,22 +143,44 @@ Examples: const logLevelStr = (opts.logLevel as string | undefined) ?? "INFO"; const health = opts.health as string | undefined; const enableTelemetry = opts.enableTelemetry as boolean | undefined; + const quiet = (opts.quiet as boolean | undefined) ?? false; + const lineEndingsStr = (opts.lineEndings as string | undefined) ?? "auto"; /* eslint-enable @typescript-eslint/no-unsafe-type-assertion */ - if (localPath === undefined) { + const requireOption = ( + value: T | undefined, + name: string + ): T => { + if (value === undefined) { + const option = program.options.find( + (o) => o.attributeName() === name + ); + const envHint = + option?.envVar !== undefined + ? ` (or set ${option.envVar})` + : ""; + throw new Error( + `required option '${option?.flags ?? name}' not specified${envHint}` + ); + } + return value; + }; + + const requiredLocalPath = requireOption(localPath, "localPath"); + const requiredRemoteUri = requireOption(remoteUri, "remoteUri"); + const requiredToken = requireOption(token, "token"); + const requiredVaultName = requireOption(vaultName, "vaultName"); + + // Validate remote URI protocol + if ( + !VALID_URI_PREFIXES.some((prefix) => + requiredRemoteUri.startsWith(prefix) + ) + ) { throw new Error( - "required option '-l, --local-path ' not specified" + `Invalid remote URI '${requiredRemoteUri}'. Must start with ${VALID_URI_PREFIXES.join(", ")}` ); } - if (remoteUri === undefined) { - throw new Error("required option '--remote-uri ' not specified"); - } - if (token === undefined) { - throw new Error("required option '--token ' not specified"); - } - if (vaultName === undefined) { - throw new Error("required option '--vault-name ' not specified"); - } // Validate and parse log level const logLevelUpper = logLevelStr.toUpperCase(); @@ -120,17 +195,21 @@ Examples: } const logLevel = logLevelUpper; + // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion + const lineEndings = lineEndingsStr as LineEndingMode; + return { - localPath, - remoteUri, - token, - vaultName, - syncConcurrency, + localPath: requiredLocalPath, + remoteUri: requiredRemoteUri, + token: requiredToken, + vaultName: requiredVaultName, maxFileSizeMB: maxFileSizeMb, ignorePatterns: ignorePattern, webSocketRetryIntervalMs: websocketRetryIntervalMs, logLevel, health, - enableTelemetry + enableTelemetry, + quiet, + lineEndings }; } diff --git a/frontend/local-client-cli/src/cli.ts b/frontend/local-client-cli/src/cli.ts index 48fd8954..9c963b91 100644 --- a/frontend/local-client-cli/src/cli.ts +++ b/frontend/local-client-cli/src/cli.ts @@ -1,3 +1,4 @@ +/* eslint-disable no-console */ import * as path from "path"; import * as fs from "fs/promises"; import * as fsSync from "fs"; @@ -36,6 +37,20 @@ const LOG_LEVEL_ORDER = { }; const HEALTH_CHECK_INTERVAL_MS = 30 * 1000; +const PROGRESS_LOG_INTERVAL_MS = 2000; + +function resolveLineEndings( + mode: "auto" | "lf" | "crlf" +): string { + switch (mode) { + case "lf": + return "\n"; + case "crlf": + return "\r\n"; + case "auto": + return process.platform === "win32" ? "\r\n" : "\n"; + } +} async function main(): Promise { const args = parseArgs(process.argv); @@ -63,21 +78,28 @@ async function main(): Promise { process.exit(1); } - console.log( - styleText("VaultLink Local CLI", "bold", "cyan") + - colorize(` v${packageJson.version}`, "dim") - ); - console.log(colorize("=".repeat(50), "dim")); - console.log( - `${colorize("Local path:", "dim")} ${colorize(absolutePath, "green")}` - ); - console.log( - `${colorize("Remote URI:", "dim")} ${colorize(args.remoteUri, "cyan")}` - ); - console.log( - `${colorize("Vault name:", "dim")} ${colorize(args.vaultName, "green")}` - ); - console.log(""); + if (!args.quiet) { + console.log( + styleText("VaultLink Local CLI", "bold", "cyan") + + colorize(` v${packageJson.version}`, "dim") + ); + console.log(colorize("=".repeat(50), "dim")); + console.log( + `${colorize("Local path:", "dim")} ${colorize(absolutePath, "green")}` + ); + console.log( + `${colorize("Remote URI:", "dim")} ${colorize(args.remoteUri, "cyan")}` + ); + console.log( + `${colorize("Vault name:", "dim")} ${colorize(args.vaultName, "green")}` + ); + if (args.lineEndings !== "auto") { + console.log( + `${colorize("Line endings:", "dim")} ${colorize(args.lineEndings.toUpperCase(), "green")}` + ); + } + console.log(""); + } const dataDir = path.join(absolutePath, ".vaultlink"); const dataFile = path.join(dataDir, "sync-data.json"); @@ -97,8 +119,6 @@ async function main(): Promise { remoteUri: args.remoteUri, token: args.token, vaultName: args.vaultName, - syncConcurrency: - args.syncConcurrency ?? DEFAULT_SETTINGS.syncConcurrency, maxFileSizeMB: args.maxFileSizeMB ?? DEFAULT_SETTINGS.maxFileSizeMB, ignorePatterns, webSocketRetryIntervalMs: @@ -140,16 +160,21 @@ async function main(): Promise { ); } }, - nativeLineEndings: process.platform === "win32" ? "\r\n" : "\n" + nativeLineEndings: resolveLineEndings(args.lineEndings) }); if (args.health !== undefined) { const healthFile = args.health; - const healthInterval = setInterval(() => { + const writeHealth = (): void => { void client.checkConnection().then((status) => { writeHealthStatus(healthFile, status); }); - }, HEALTH_CHECK_INTERVAL_MS); + }; + writeHealth(); + const healthInterval = setInterval( + writeHealth, + HEALTH_CHECK_INTERVAL_MS + ); const clearHealthInterval = (): void => { clearInterval(healthInterval); }; @@ -168,7 +193,7 @@ async function main(): Promise { client.logger.info("Starting sync client"); - const fileWatcher = new FileWatcher(absolutePath, client); + const fileWatcher = new FileWatcher(absolutePath, client, ignorePatterns); client.onWebSocketStatusChanged.add(() => { const isConnected = client.isWebSocketConnected; @@ -177,15 +202,42 @@ async function main(): Promise { ); }); + // Throttled progress reporting + let syncBatchSize = 0; + let totalSyncOps = 0; + let lastProgressLogTime = 0; + client.onRemainingOperationsCountChanged.add((remaining) => { + if (remaining > syncBatchSize) { + syncBatchSize = remaining; + } + if (remaining === 0) { - client.logger.info("All sync operations completed"); + if (syncBatchSize > 0) { + totalSyncOps += syncBatchSize; + client.logger.info( + `Sync batch complete (${syncBatchSize} operations)` + ); + syncBatchSize = 0; + } } else { - client.logger.info(`${remaining} sync operations remaining`); + const now = Date.now(); + if (now - lastProgressLogTime >= PROGRESS_LOG_INTERVAL_MS) { + client.logger.info( + `Syncing: ${remaining} operations remaining` + ); + lastProgressLogTime = now; + } } }); + let isShuttingDown = false; const gracefulShutdown = async (signal: string): Promise => { + if (isShuttingDown) { + return; + } + isShuttingDown = true; + console.log( colorize( `\n${signal} received. Shutting down gracefully...`, @@ -196,7 +248,17 @@ async function main(): Promise { fileWatcher.stop(); await client.waitUntilFinished(); await client.destroy(); - console.log(colorize("Shutdown complete", "green")); + + if (totalSyncOps > 0) { + console.log( + colorize( + `Shutdown complete (${totalSyncOps} operations synced)`, + "green" + ) + ); + } else { + console.log(colorize("Shutdown complete", "green")); + } process.exit(0); }; @@ -219,9 +281,13 @@ async function main(): Promise { process.exit(1); } - console.log(`${colorize("✓", "green")} Server connection successful`); - console.log(colorize("Press Ctrl+C to stop", "dim")); - console.log(""); + if (!args.quiet) { + console.log( + `${colorize("✓", "green")} Server connection successful` + ); + console.log(colorize("Press Ctrl+C to stop", "dim")); + console.log(""); + } await client.start(); fileWatcher.start(); diff --git a/frontend/local-client-cli/src/file-watcher.ts b/frontend/local-client-cli/src/file-watcher.ts index e781d18f..0353b495 100644 --- a/frontend/local-client-cli/src/file-watcher.ts +++ b/frontend/local-client-cli/src/file-watcher.ts @@ -1,15 +1,20 @@ import Watcher from "watcher"; import * as path from "path"; import type { SyncClient, RelativePath } from "sync-client"; +import { toUnixPath, compileGlobPattern } from "./path-utils"; export class FileWatcher { private watcher: Watcher | undefined; private isRunning = false; + private readonly compiledPatterns: RegExp[]; public constructor( private readonly basePath: string, - private readonly client: SyncClient - ) {} + private readonly client: SyncClient, + ignorePatterns: string[] = [] + ) { + this.compiledPatterns = ignorePatterns.map(compileGlobPattern); + } public start(): void { if (this.isRunning) { @@ -22,7 +27,9 @@ export class FileWatcher { recursive: true, renameDetection: true, renameTimeout: 125, - ignoreInitial: true + ignoreInitial: true, + ignore: (filePath: string): boolean => + this.shouldIgnore(filePath) }); this.watcher.on("add", (filePath: string) => { @@ -56,6 +63,11 @@ export class FileWatcher { this.client.logger.info("File watcher stopped"); } + private shouldIgnore(filePath: string): boolean { + const rel = toUnixPath(path.relative(this.basePath, filePath)); + return this.compiledPatterns.some((regex) => regex.test(rel)); + } + private handleCreate(relativePath: RelativePath): void { this.client .syncLocallyCreatedFile(relativePath) @@ -101,18 +113,7 @@ export class FileWatcher { } private toRelativePath(absolutePath: string): RelativePath { - const relative = path.relative(this.basePath, absolutePath); - return this.toUnixPath(relative); - } - - /** - * Convert a native platform path to forward slashes - */ - private toUnixPath(nativePath: string): string { - if (path.sep === "\\") { - return nativePath.replace(/\\/g, "/"); - } - return nativePath; + return toUnixPath(path.relative(this.basePath, absolutePath)); } private formatError(err: unknown): string { diff --git a/frontend/local-client-cli/src/healthcheck.ts b/frontend/local-client-cli/src/healthcheck.ts index 2dd9e721..d7211c88 100644 --- a/frontend/local-client-cli/src/healthcheck.ts +++ b/frontend/local-client-cli/src/healthcheck.ts @@ -1,4 +1,5 @@ #!/usr/bin/env node +/* eslint-disable no-console */ /** * Healthcheck script for Docker container diff --git a/frontend/local-client-cli/src/logger-formatter.test.ts b/frontend/local-client-cli/src/logger-formatter.test.ts new file mode 100644 index 00000000..64768065 --- /dev/null +++ b/frontend/local-client-cli/src/logger-formatter.test.ts @@ -0,0 +1,70 @@ +import { test } from "node:test"; +import * as assert from "node:assert/strict"; +import { + colorize, + styleText, + formatLogLine, + colors +} from "./logger-formatter"; +import { LogLevel } from "sync-client"; + +test("colorize - wraps text with ANSI color codes", () => { + const result = colorize("hello", "red"); + assert.equal(result, `${colors.red}hello${colors.reset}`); +}); + +test("styleText - applies multiple modifiers", () => { + const result = styleText("hello", "bold", "cyan"); + assert.equal( + result, + `${colors.bold}${colors.cyan}hello${colors.reset}` + ); +}); + +test("formatLogLine - includes level and message", () => { + const logLine = { + timestamp: new Date("2024-01-15T10:30:45.123Z"), + level: LogLevel.INFO, + message: "Test message" + }; + + const result = formatLogLine(logLine); + assert.ok(result.includes("INFO")); + assert.ok(result.includes("Test message")); +}); + +test("formatLogLine - ERROR level messages contain bold escape", () => { + const logLine = { + timestamp: new Date("2024-01-15T10:30:45.123Z"), + level: LogLevel.ERROR, + message: "Error occurred" + }; + + const result = formatLogLine(logLine); + assert.ok(result.includes(colors.bold)); +}); + +test("formatLogLine - highlights file paths in quotes", () => { + const logLine = { + timestamp: new Date("2024-01-15T10:30:45.123Z"), + level: LogLevel.INFO, + message: 'Syncing "notes/test.md"' + }; + + const result = formatLogLine(logLine); + assert.ok(result.includes(colors.magenta)); +}); + +test("formatLogLine - highlights standalone numbers but not numbers in versions", () => { + const logLine = { + timestamp: new Date("2024-01-15T10:30:45.123Z"), + level: LogLevel.INFO, + message: "Listed 42 files from v1.2.3" + }; + + const result = formatLogLine(logLine); + // "42" should be colorized (standalone number) + assert.ok(result.includes(`${colors.cyan}42${colors.reset}`)); + // "1", "2", "3" in "v1.2.3" should NOT be colorized individually + assert.ok(!result.includes(`${colors.cyan}1${colors.reset}.`)); +}); diff --git a/frontend/local-client-cli/src/node-filesystem.ts b/frontend/local-client-cli/src/node-filesystem.ts index 3da8fc3a..024e1073 100644 --- a/frontend/local-client-cli/src/node-filesystem.ts +++ b/frontend/local-client-cli/src/node-filesystem.ts @@ -6,6 +6,7 @@ import type { RelativePath, TextWithCursors } from "sync-client"; +import { toUnixPath, toNativePath } from "./path-utils"; export class NodeFileSystemOperations implements FileSystemOperations { public constructor(private readonly basePath: string) {} @@ -15,7 +16,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { ): Promise { const files: RelativePath[] = []; await this.walkDirectory( - directory !== undefined ? this.toNativePath(directory) : "", + directory !== undefined ? toNativePath(directory) : "", files ); return files; @@ -24,7 +25,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { public async read(relativePath: RelativePath): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { return await fs.readFile(fullPath); @@ -41,13 +42,13 @@ export class NodeFileSystemOperations implements FileSystemOperations { ): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); const dir = path.dirname(fullPath); try { await fs.mkdir(dir, { recursive: true }); - await fs.writeFile(fullPath, content); + await this.atomicWrite(fullPath, content); } catch (error) { throw new Error( `Failed to write file ${fullPath}: ${error instanceof Error ? error.message : String(error)}` @@ -61,13 +62,13 @@ export class NodeFileSystemOperations implements FileSystemOperations { ): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { const currentContent = await fs.readFile(fullPath, "utf-8"); const result = updater({ text: currentContent, cursors: [] }); - await fs.writeFile(fullPath, result.text, "utf-8"); + await this.atomicWrite(fullPath, result.text, "utf-8"); return result.text; } catch (error) { throw new Error( @@ -79,7 +80,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { public async getFileSize(relativePath: RelativePath): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { const stats = await fs.stat(fullPath); @@ -94,7 +95,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { public async exists(relativePath: RelativePath): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { await fs.access(fullPath); @@ -107,7 +108,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { public async createDirectory(relativePath: RelativePath): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { await fs.mkdir(fullPath, { recursive: false }); @@ -121,7 +122,7 @@ export class NodeFileSystemOperations implements FileSystemOperations { public async delete(relativePath: RelativePath): Promise { const fullPath = path.join( this.basePath, - this.toNativePath(relativePath) + toNativePath(relativePath) ); try { await fs.unlink(fullPath); @@ -138,11 +139,11 @@ export class NodeFileSystemOperations implements FileSystemOperations { ): Promise { const oldFullPath = path.join( this.basePath, - this.toNativePath(oldPath) + toNativePath(oldPath) ); const newFullPath = path.join( this.basePath, - this.toNativePath(newPath) + toNativePath(newPath) ); const newDir = path.dirname(newFullPath); @@ -156,6 +157,19 @@ export class NodeFileSystemOperations implements FileSystemOperations { } } + private async atomicWrite( + fullPath: string, + content: Uint8Array | string, + encoding?: BufferEncoding + ): Promise { + const tmpPath = fullPath + ".tmp"; + await fs.writeFile(tmpPath, content, encoding); + const fd = await fs.open(tmpPath, "r"); + await fd.datasync(); + await fd.close(); + await fs.rename(tmpPath, fullPath); + } + private async walkDirectory( relativePath: string, files: RelativePath[] @@ -179,28 +193,9 @@ export class NodeFileSystemOperations implements FileSystemOperations { await this.walkDirectory(entryRelativePath, files); } else if (entry.isFile()) { // Always return forward slashes - files.push(this.toUnixPath(entryRelativePath)); + files.push(toUnixPath(entryRelativePath)); } } } - /** - * Convert a forward-slash path to native platform path separators - */ - private toNativePath(relativePath: string): string { - if (path.sep === "\\") { - return relativePath.replace(/\//g, "\\"); - } - return relativePath; - } - - /** - * Convert a native platform path to forward slashes - */ - private toUnixPath(nativePath: string): string { - if (path.sep === "\\") { - return nativePath.replace(/\\/g, "/"); - } - return nativePath; - } } diff --git a/frontend/local-client-cli/src/path-utils.test.ts b/frontend/local-client-cli/src/path-utils.test.ts new file mode 100644 index 00000000..4162f290 --- /dev/null +++ b/frontend/local-client-cli/src/path-utils.test.ts @@ -0,0 +1,65 @@ +import { test } from "node:test"; +import * as assert from "node:assert/strict"; +import { compileGlobPattern, toUnixPath } from "./path-utils"; + +function matches(path: string, pattern: string): boolean { + return compileGlobPattern(pattern).test(path); +} + +test("compileGlobPattern - exact match", () => { + assert.equal(matches(".DS_Store", ".DS_Store"), true); + assert.equal(matches("other", ".DS_Store"), false); +}); + +test("compileGlobPattern - dir/** matches directory and contents", () => { + assert.equal(matches(".git", ".git/**"), true); + assert.equal(matches(".git/config", ".git/**"), true); + assert.equal(matches(".git/refs/heads/main", ".git/**"), true); + assert.equal(matches(".gitignore", ".git/**"), false); +}); + +test("compileGlobPattern - * matches within a single segment", () => { + assert.equal(matches("foo.tmp", "*.tmp"), true); + assert.equal(matches("bar.tmp", "*.tmp"), true); + assert.equal(matches("foo.md", "*.tmp"), false); + // * does NOT cross path separators + assert.equal(matches("dir/foo.tmp", "*.tmp"), false); +}); + +test("compileGlobPattern - **/*.ext matches at any depth", () => { + assert.equal(matches("foo.tmp", "**/*.tmp"), true); + assert.equal(matches("dir/foo.tmp", "**/*.tmp"), true); + assert.equal(matches("a/b/c/foo.tmp", "**/*.tmp"), true); + assert.equal(matches("foo.md", "**/*.tmp"), false); +}); + +test("compileGlobPattern - ? matches single character", () => { + assert.equal(matches("a.md", "?.md"), true); + assert.equal(matches("ab.md", "?.md"), false); + assert.equal(matches(".md", "?.md"), false); +}); + +test("compileGlobPattern - dots are escaped", () => { + assert.equal(matches(".DS_Store", ".DS_Store"), true); + assert.equal(matches("xDS_Store", ".DS_Store"), false); +}); + +test("compileGlobPattern - node_modules/** matches directory tree", () => { + assert.equal(matches("node_modules", "node_modules/**"), true); + assert.equal(matches("node_modules/foo", "node_modules/**"), true); + assert.equal( + matches("node_modules/foo/bar/baz.js", "node_modules/**"), + true + ); + assert.equal(matches("not_node_modules", "node_modules/**"), false); +}); + +test("compileGlobPattern - **/ prefix matches zero or more segments", () => { + assert.equal(matches("test.log", "**/test.log"), true); + assert.equal(matches("dir/test.log", "**/test.log"), true); + assert.equal(matches("a/b/test.log", "**/test.log"), true); +}); + +test("toUnixPath - forward slashes unchanged", () => { + assert.equal(toUnixPath("foo/bar/baz"), "foo/bar/baz"); +}); diff --git a/frontend/local-client-cli/src/path-utils.ts b/frontend/local-client-cli/src/path-utils.ts new file mode 100644 index 00000000..6cec10d5 --- /dev/null +++ b/frontend/local-client-cli/src/path-utils.ts @@ -0,0 +1,74 @@ +import * as path from "path"; + +/** + * Convert a native platform path to forward slashes. + * On non-Windows platforms this is a no-op. + */ +export function toUnixPath(nativePath: string): string { + if (path.sep === "\\") { + return nativePath.replace(/\\/g, "/"); + } + return nativePath; +} + +/** + * Convert a forward-slash path to native platform path separators. + * On non-Windows platforms this is a no-op. + */ +export function toNativePath(forwardSlashPath: string): string { + if (path.sep === "\\") { + return forwardSlashPath.replace(/\//g, "\\"); + } + return forwardSlashPath; +} + +function escapeRegex(str: string): string { + return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"); +} + +/** + * Compile a glob pattern into a RegExp for repeated matching. + * Supports: + * - `*` matches any characters within a single path segment + * - `**` matches zero or more path segments + * - `?` matches a single character (not `/`) + * - `dir/**` matches the directory itself and all its contents + * - combined with `*.ext` matches files with the extension at any depth + */ +export function compileGlobPattern(pattern: string): RegExp { + // Trailing /** matches the directory itself and all its contents + if (pattern.endsWith("/**")) { + const prefix = escapeRegex(pattern.slice(0, -3)); + return new RegExp(`^${prefix}(/.*)?$`); + } + + let result = "^"; + let i = 0; + while (i < pattern.length) { + const c = pattern[i]; + if (c === "*" && pattern[i + 1] === "*") { + if (pattern[i + 2] === "/") { + // **/ matches zero or more directory segments + result += "(?:.+/)?"; + i += 3; + } else { + result += ".*"; + i += 2; + } + } else if (c === "*") { + result += "[^/]*"; + i++; + } else if (c === "?") { + result += "[^/]"; + i++; + } else if (".+^${}()|[]\\".includes(c)) { + result += "\\" + c; + i++; + } else { + result += c; + i++; + } + } + result += "$"; + return new RegExp(result); +} diff --git a/frontend/local-client-cli/tsconfig.json b/frontend/local-client-cli/tsconfig.json index 25f249c9..b07ec41a 100644 --- a/frontend/local-client-cli/tsconfig.json +++ b/frontend/local-client-cli/tsconfig.json @@ -18,7 +18,5 @@ "declarationMap": true, "sourceMap": true }, - "exclude": [ - "dist" - ] + "exclude": ["dist"] } diff --git a/frontend/local-client-cli/webpack.config.js b/frontend/local-client-cli/webpack.config.js index f8f48534..9226b9dc 100644 --- a/frontend/local-client-cli/webpack.config.js +++ b/frontend/local-client-cli/webpack.config.js @@ -2,32 +2,32 @@ const path = require("path"); const webpack = require("webpack"); module.exports = { - entry: { - cli: "./src/cli.ts", - healthcheck: "./src/healthcheck.ts" - }, - target: "node", - mode: "production", - optimization: { - minimize: false - }, - module: { - rules: [ - { - test: /\.ts$/, - use: "ts-loader" - } - ] - }, - resolve: { - extensions: [".ts", ".js"] - }, - output: { - globalObject: "this", - filename: "[name].js", - path: path.resolve(__dirname, "dist") - }, - plugins: [ - new webpack.BannerPlugin({ banner: "#!/usr/bin/env node", raw: true }) + entry: { + cli: "./src/cli.ts", + healthcheck: "./src/healthcheck.ts" + }, + target: "node", + mode: "production", + optimization: { + minimize: false + }, + module: { + rules: [ + { + test: /\.ts$/, + use: "ts-loader" + } ] + }, + resolve: { + extensions: [".ts", ".js"] + }, + output: { + globalObject: "this", + filename: "[name].js", + path: path.resolve(__dirname, "dist") + }, + plugins: [ + new webpack.BannerPlugin({ banner: "#!/usr/bin/env node", raw: true }) + ] }; diff --git a/frontend/obsidian-plugin/README.md b/frontend/obsidian-plugin/README.md index 93c2cba7..68e10a83 100644 --- a/frontend/obsidian-plugin/README.md +++ b/frontend/obsidian-plugin/README.md @@ -8,6 +8,7 @@ The repo depends on the latest plugin API (obsidian.d.ts) in TypeScript Definiti **Note:** The Obsidian API is still in early alpha and is subject to change at any time! This sample plugin demonstrates some of the basic functionality the plugin API can do. + - Adds a ribbon icon, which shows a Notice when clicked. - Adds a command "Open Sample Modal" which opens a Modal. - Adds a plugin setting tab to the settings page. @@ -57,31 +58,6 @@ Quick starting guide for new plugin devs: - Copy over `main.js`, `styles.css`, `manifest.json` to your vault `VaultFolder/.obsidian/plugins/your-plugin-id/`. - -## Funding URL - -You can include funding URLs where people who use your plugin can financially support it. - -The simple way is to set the `fundingUrl` field to your link in your `manifest.json` file: - -```json -{ - "fundingUrl": "https://buymeacoffee.com" -} -``` - -If you have multiple URLs, you can also do: - -```json -{ - "fundingUrl": { - "Buy Me a Coffee": "https://buymeacoffee.com", - "GitHub Sponsor": "https://github.com/sponsors", - "Patreon": "https://www.patreon.com/" - } -} -``` - ## API Documentation See https://github.com/obsidianmd/obsidian-api diff --git a/frontend/obsidian-plugin/package.json b/frontend/obsidian-plugin/package.json index b7ae4909..d24e537b 100644 --- a/frontend/obsidian-plugin/package.json +++ b/frontend/obsidian-plugin/package.json @@ -13,25 +13,25 @@ "author": "", "license": "MIT", "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "css-loader": "^7.1.2", "date-fns": "^4.1.0", "file-loader": "^6.2.0", - "fs-extra": "^11.3.0", - "mini-css-extract-plugin": "^2.9.2", - "obsidian": "1.10.2", - "reconcile-text": "^0.8.0", + "fs-extra": "^11.3.2", + "mini-css-extract-plugin": "^2.9.4", + "obsidian": "1.11.0", + "reconcile-text": "^0.11.0", "resolve-url-loader": "^5.0.0", - "sass": "^1.91.0", + "sass": "^1.96.0", "sass-loader": "^16.0.6", "sync-client": "file:../sync-client", - "terser-webpack-plugin": "^5.3.14", - "ts-loader": "^9.5.2", + "terser-webpack-plugin": "^5.3.16", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "url": "^0.11.4", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/obsidian-plugin/src/vault-link-plugin.ts b/frontend/obsidian-plugin/src/vault-link-plugin.ts index 7d91b9f5..9ad4d2a1 100644 --- a/frontend/obsidian-plugin/src/vault-link-plugin.ts +++ b/frontend/obsidian-plugin/src/vault-link-plugin.ts @@ -135,14 +135,14 @@ export default class VaultLinkPlugin extends Plugin { nativeLineEndings: Platform.isWin ? "\r\n" : "\n", ...(IS_DEBUG_BUILD ? { - fetch: debugging.slowFetchFactory(1), - webSocket: debugging.slowWebSocketFactory(1, new Logger()) - } + fetch: debugging.slowFetchFactory(1), + webSocket: debugging.slowWebSocketFactory(1, new Logger()) + } : {}) }); if (IS_DEBUG_BUILD) { - debugging.logToConsole(client); + debugging.logToConsole(client.logger); } return client; diff --git a/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts b/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts index 1191d9a2..d6650dcb 100644 --- a/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts +++ b/frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts @@ -132,7 +132,8 @@ export class RemoteCursorsPluginValue implements PluginValue { ] ) }, - edited + edited, + "Markdown" ); reconciled.cursors.forEach(({ id, position }) => { diff --git a/frontend/obsidian-plugin/src/views/settings/settings-tab.ts b/frontend/obsidian-plugin/src/views/settings/settings-tab.ts index 213c0d2c..a0c81522 100644 --- a/frontend/obsidian-plugin/src/views/settings/settings-tab.ts +++ b/frontend/obsidian-plugin/src/views/settings/settings-tab.ts @@ -266,9 +266,8 @@ export class SyncSettingsTab extends PluginSettingTab { new Notice("Checking connection to the server..."); new Notice( - ( - await this.syncClient.checkConnection() - ).serverMessage + (await this.syncClient.checkConnection()) + .serverMessage ); await this.statusDescription.updateConnectionState(); } else { @@ -351,22 +350,6 @@ export class SyncSettingsTab extends PluginSettingTab { }) ); - new Setting(containerEl) - .setName("Sync concurrency") - .setDesc( - "How many concurrent sync operations to run. Setting this value higher may increase the overall performance, however, it will require more memory as well. If you notice frequent crashes, especially on mobile, set this to 1." - ) - .addSlider((text) => - text - .setLimits(1, 16, 1) - .setDynamicTooltip() - .setInstant(false) - .setValue(this.syncClient.getSettings().syncConcurrency) - .onChange(async (value) => - this.syncClient.setSetting("syncConcurrency", value) - ) - ); - new Setting(containerEl) .setName("Maximum file size to be uploaded (MB)") .setDesc( diff --git a/frontend/obsidian-plugin/tsconfig.json b/frontend/obsidian-plugin/tsconfig.json index 81af03a7..7ec2a9cd 100644 --- a/frontend/obsidian-plugin/tsconfig.json +++ b/frontend/obsidian-plugin/tsconfig.json @@ -6,12 +6,7 @@ "strict": true, "moduleResolution": "bundler", "allowSyntheticDefaultImports": true, - "lib": [ - "DOM", - "ES2024" - ] + "lib": ["DOM", "ES2024"] }, - "exclude": [ - "./dist" - ] + "exclude": ["./dist"] } diff --git a/frontend/obsidian-plugin/webpack.config.js b/frontend/obsidian-plugin/webpack.config.js index b749b20d..794f30de 100644 --- a/frontend/obsidian-plugin/webpack.config.js +++ b/frontend/obsidian-plugin/webpack.config.js @@ -46,7 +46,7 @@ module.exports = (env, argv) => ({ const source = path.resolve(__dirname, "dist"); const destinations = [ "/volumes/syncthing/Desktop/test/test/.obsidian/plugins/vault-link", - "/volumes/syncthing/Desktop/test/test2/.obsidian/plugins/vault-link", + "/volumes/syncthing/Desktop/test/test2/.obsidian/plugins/vault-link" // "/home/andras/obsidian-test/.obsidian/plugins/vault-link" ]; destinations.forEach((destination) => { diff --git a/frontend/package-lock.json b/frontend/package-lock.json index 4d8218ba..6b8d31f3 100644 --- a/frontend/package-lock.json +++ b/frontend/package-lock.json @@ -9,35 +9,57 @@ "sync-client", "obsidian-plugin", "test-client", - "local-client-cli" + "deterministic-tests", + "local-client-cli", + "history-ui" ], "devDependencies": { "concurrently": "^9.2.1", - "eclint": "^2.8.1", - "eslint": "9.38.0", - "eslint-plugin-unused-imports": "^4.1.4", - "npm-check-updates": "^19.1.1", - "prettier": "^3.6.2", - "typescript-eslint": "8.41.0" + "eslint": "9.39.2", + "eslint-plugin-unused-imports": "^4.3.0", + "npm-check-updates": "^19.2.0", + "prettier": "^3.7.4", + "typescript-eslint": "8.49.0" + } + }, + "deterministic-tests": { + "version": "0.14.0", + "bin": { + "deterministic-tests": "dist/cli.js" + }, + "devDependencies": { + "@types/node": "^25.0.2", + "sync-client": "file:../sync-client", + "ts-loader": "^9.5.4", + "tslib": "2.8.1", + "typescript": "5.9.3", + "webpack": "^5.103.0", + "webpack-cli": "^6.0.1" + } + }, + "history-ui": { + "version": "0.14.0", + "devDependencies": { + "@sveltejs/vite-plugin-svelte": "^5.0.0", + "svelte": "^5.0.0", + "vite": "^6.0.0" } }, "local-client-cli": { "version": "0.14.0", - "dependencies": { - "commander": "^14.0.2", - "watcher": "^2.3.1" - }, "bin": { "vaultlink": "dist/cli.js" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", + "commander": "^14.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "webpack": "^5.99.9", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "watcher": "^2.3.1", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } }, @@ -52,20 +74,6 @@ "@marijn/find-cluster-break": "^1.0.0" } }, - "node_modules/@codemirror/view": { - "version": "6.38.1", - "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.38.1.tgz", - "integrity": "sha512-RmTOkE7hRU3OVREqFVITWHz6ocgBjv08GoePscAakgVQfciA3SGCEk7mb9IzwW61cKKmlTpHXG6DUE5Ubx+MGQ==", - "dev": true, - "license": "MIT", - "peer": true, - "dependencies": { - "@codemirror/state": "^6.5.0", - "crelt": "^1.0.6", - "style-mod": "^4.1.0", - "w3c-keyname": "^2.2.4" - } - }, "node_modules/@discoveryjs/json-ext": { "version": "0.6.3", "dev": true, @@ -75,9 +83,9 @@ } }, "node_modules/@esbuild/aix-ppc64": { - "version": "0.25.9", - "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.9.tgz", - "integrity": "sha512-OaGtL73Jck6pBKjNIe24BnFE6agGl+6KxDtTfHhy1HmhthfKouEcOhqpSL64K4/0WCtbKFLOdzD/44cJ4k9opA==", + "version": "0.25.12", + "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.12.tgz", + "integrity": "sha512-Hhmwd6CInZ3dwpuGTF8fJG6yoWmsToE+vYgD4nytZVxcu1ulHpUQRAB1UJ8+N1Am3Mz4+xOByoQoSZf4D+CpkA==", "cpu": [ "ppc64" ], @@ -92,9 +100,9 @@ } }, "node_modules/@esbuild/android-arm": { - "version": "0.25.9", - "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.25.9.tgz", - "integrity": "sha512-5WNI1DaMtxQ7t7B6xa572XMXpHAaI/9Hnhk8lcxF4zVN4xstUgTlvuGDorBguKEnZO70qwEcLpfifMLoxiPqHQ==", + "version": "0.25.12", + "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.25.12.tgz", + "integrity": "sha512-VJ+sKvNA/GE7Ccacc9Cha7bpS8nyzVv0jdVgwNDaR4gDMC/2TTRc33Ip8qrNYUcpkOHUT5OZ0bUcNNVZQ9RLlg==", "cpu": [ "arm" ], @@ -109,9 +117,9 @@ } }, 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"devDependencies": { - "@sentry/browser": "^10.8.0", - "@types/node": "^24.8.1", - "byte-base64": "^1.1.0", - "minimatch": "^10.0.1", - "p-queue": "^8.1.0", - "reconcile-text": "^0.8.0", - "ts-loader": "^9.5.2", - "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "uuid": "^13.0.0", - "webpack": "^5.99.9", - "webpack-cli": "^6.0.1", - "webpack-merge": "^6.0.1", - "ws": "^8.18.3" - } - }, - "sync-client/node_modules/brace-expansion": { - "version": "2.0.2", - "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz", - "integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==", - "dev": true, - "license": "MIT", "dependencies": { - "balanced-match": "^1.0.0" + "murmurhash3js-revisited": "^3.0.0" + }, + "devDependencies": { + "@sentry/browser": "^10.30.0", + "@types/murmurhash3js-revisited": "^3.0.3", + "@types/node": "^25.0.2", + "byte-base64": "^1.1.0", + "minimatch": "^10.1.1", + "p-queue": "^9.0.1", + "reconcile-text": "^0.11.0", + "ts-loader": "^9.5.4", + "tslib": "2.8.1", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "webpack": "^5.103.0", + "webpack-cli": "^6.0.1", + "webpack-merge": "^6.0.1" } }, "sync-client/node_modules/minimatch": { - "version": "10.0.1", + "version": "10.1.1", + "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-10.1.1.tgz", + "integrity": "sha512-enIvLvRAFZYXJzkCYG5RKmPfrFArdLv+R+lbQ53BmIMLIry74bjKzX6iHAm8WYamJkhSSEabrWN5D97XnKObjQ==", "dev": true, - "license": "ISC", "dependencies": { - "brace-expansion": "^2.0.1" + "@isaacs/brace-expansion": "^5.0.0" }, "engines": { "node": "20 || >=22" @@ -7539,14 +5952,14 @@ "test-client": "dist/cli.js" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "uuid": "^13.0.0", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/package.json b/frontend/package.json index df167a5e..69edb1fe 100644 --- a/frontend/package.json +++ b/frontend/package.json @@ -5,28 +5,41 @@ "sync-client", "obsidian-plugin", "test-client", - "local-client-cli" + "deterministic-tests", + "local-client-cli", + "history-ui" ], "prettier": { "trailingComma": "none", "tabWidth": 4, "useTabs": false, - "endOfLine": "lf" + "endOfLine": "lf", + "overrides": [ + { + "files": [ + "*.yml", + "*.yaml", + "*.md" + ], + "options": { + "tabWidth": 2 + } + } + ] }, "scripts": { "build": "npm run build --workspaces", "dev": "concurrently --kill-others \"npm run dev -w sync-client\" \"npm run dev -w obsidian-plugin\"", "test": "npm run test --workspaces", - "lint": "eslint --fix sync-client obsidian-plugin test-client local-client-cli && prettier --write \"**/*.ts\"", - "update": "ncu -u -ws" + "lint": "eslint --fix sync-client obsidian-plugin test-client deterministic-tests local-client-cli && prettier --write \"**/*.ts\"", + "update": "ncu -u" }, "devDependencies": { "concurrently": "^9.2.1", - "eclint": "^2.8.1", - "eslint": "9.38.0", - "eslint-plugin-unused-imports": "^4.1.4", - "npm-check-updates": "^19.1.1", - "prettier": "^3.6.2", - "typescript-eslint": "8.41.0" + "eslint": "9.39.2", + "eslint-plugin-unused-imports": "^4.3.0", + "npm-check-updates": "^19.2.0", + "prettier": "^3.7.4", + "typescript-eslint": "8.49.0" } } diff --git a/frontend/sync-client/ARCHITECTURE.md b/frontend/sync-client/ARCHITECTURE.md new file mode 100644 index 00000000..bdfca351 --- /dev/null +++ b/frontend/sync-client/ARCHITECTURE.md @@ -0,0 +1,197 @@ +# Sync Client Architecture + +## Overview + +The sync client synchronizes Obsidian vault files between clients via a central server. It handles offline edits, concurrent multi-client changes, crash recovery, and real-time updates via WebSocket. + +## Architecture Layers + +``` +SyncClient (public API — unchanged) + │ + ├── Syncer (event router + reconciliation orchestrator) + │ │ + │ ├── SyncEventQueue (per-document coalescing FIFO) + │ │ │ + │ │ └── executor callback → sync-actions functions + │ │ + │ └── VirtualFilesystem (document identity + state tracking) + │ + ├── WebSocketManager (connection, message serialization) + ├── FileOperations (filesystem abstraction, 3-way merge on write) + ├── SyncService (HTTP client for server REST API) + ├── CursorTracker (collaborative cursor positions) + └── ContentCache (LRU cache for diff computation) +``` + +## Key Design Decisions + +### 1. Sequential Processing + +All sync operations run one at a time. No concurrent sync operations, no locks, no deadlock prevention, no generation counters. The server uses SQLite which serializes writes anyway, so client-side parallelism provided no real benefit while creating enormous complexity. + +The only concurrency that remains is between the sync queue and the WebSocket message handler, but both funnel events into the same sequential queue. + +### 2. Virtual Filesystem (VFS) + +Replaces the old `Database` class. Documents have explicit states as a discriminated union: + +```typescript +type VirtualDocument = + | PendingDocument // Created locally, server doesn't know yet + | TrackedDocument // Synced with server + | DeletedLocallyDocument // Deleted locally, server not yet notified +``` + +Three internal indexes replace the old flat array + `parallelVersion` system: +- `pathIndex` — at most one live document per path +- `documentIdIndex` — all documents with a server-assigned ID +- `idempotencyKeyIndex` — pending documents only + +No more inferring state from `metadata === undefined` + `isDeleted` + `parentVersionId === 0`. The state field is the discriminator. + +### 3. Per-Document Event Coalescing + +Events from file watchers and WebSocket broadcasts are grouped by document identity and coalesced: +- 10 rapid edits → 1 sync operation (content read at execution time) +- create then delete → noop (file never reached the server) +- move A→B then B→C → move A→C + +This replaces the old opaque-closure FIFO where every event was independent. + +### 4. Server Protocol Unchanged + +The server still does 3-way merging via `reconcile-text`. Response types (`FastForwardUpdate`, `MergingUpdate`) are unchanged. The client content cache remains for diff computation (needed for mobile bandwidth). Idempotency keys remain for crash-safe creates. No server changes were made. + +## Module Descriptions + +### `persistence/vfs.ts` — Virtual Filesystem + +Tracks document identity across creates, moves, deletes. Provides: +- State transitions: `createPending()`, `confirmCreate()`, `assignDocumentId()`, `updateTracked()`, `deleteLocally()`, `confirmDelete()` +- Queries: `getByPath()`, `getByDocumentId()`, `getByIdempotencyKey()` +- Disk reconciliation: `reconcileWithDisk()` returns a pure result comparing VFS state against filesystem +- Persistence: serializes to `StoredDatabase` format (backward compatible) + +### `sync-operations/sync-events.ts` — Event Types + Coalescing + +Pure functions with no side effects. Defines `SyncEvent` (6 types from file watchers and WebSocket) and `CoalescedAction` (8 possible merged actions). The `coalesce()` function implements a 48-entry transition table. + +### `sync-operations/sync-event-queue.ts` — Event Queue + +Per-document coalescing FIFO. Maps each event to a document key (documentId for tracked docs, `path:` for pending docs). Processes one document at a time via an injected executor. Supports key migration when pending docs receive a documentId. + +On reset (WebSocket disconnect): remote events are cleared (server replays on reconnect), local events are preserved (unsynced user actions). + +### `sync-operations/sync-actions.ts` — Sync Action Implementations + +Extracted from the old `unrestricted-syncer.ts`. Each function takes explicit dependencies (`SyncDeps`) and a VFS document: + +- `executeSyncCreate()` — POST to server with idempotencyKey, handle response +- `executeSyncUpdate()` — compute diff from cache, PUT to server +- `executeSyncDelete()` — DELETE on server, confirm in VFS +- `executeRemoteUpdate()` — download content, write to disk, update VFS +- `applyServerResponse()` — handle MergingUpdate/FastForwardUpdate, path changes, idempotent returns + +### `sync-operations/syncer.ts` — Orchestrator + +Thin layer that: +- Converts file change events → `SyncEvent` objects → enqueue +- Converts WebSocket broadcasts → `SyncEvent` objects → enqueue +- Sets up the executor that dispatches `CoalescedAction` → sync-actions functions +- Runs offline reconciliation: resolve idempotency keys → scan filesystem → enqueue results +- Manages the `scheduleSyncForOfflineChanges` lifecycle + +## Offline Reconciliation Algorithm + +Runs on startup and WebSocket reconnect: + +1. **Resolve idempotency keys** — call server for pending creates whose responses were lost +2. **Clean up orphans** — remove pending docs whose files no longer exist +3. **Scan filesystem** — `vfs.reconcileWithDisk()` compares VFS state vs actual files +4. **Apply moves** — update VFS for detected file moves (content hash matching) +5. **Enqueue events** in order: + - Interrupted deletes (VFS says deleted-locally, file gone, server not notified) + - Moves (detected via hash matching) + - Updates (file content changed) + - Creates (new files with no VFS entry) + - Delete candidates (VFS entry but file missing, not matched as a move) + +Creates run before delete candidates so the server can merge creates with existing documents (preserving documentIds). + +## Document Lifecycle + +``` +[File created locally] + → VFS: createPending(path) → PendingDocument + → Queue: enqueue local-create + → Action: POST /documents with idempotencyKey + → Server: returns FastForwardUpdate or MergingUpdate + → VFS: confirmCreate() → TrackedDocument + +[File edited locally] + → Queue: enqueue local-update + → Action: compute diff, PUT /documents/:id/text + → Server: returns FastForwardUpdate or MergingUpdate + → VFS: updateTracked() + +[File deleted locally] + → VFS: deleteLocally() → DeletedLocallyDocument (or removed if pending) + → Queue: enqueue local-delete + → Action: DELETE /documents/:id + → VFS: confirmDelete() → removed + +[Remote update via WebSocket] + → Queue: enqueue remote-update + → Action: fetch content, write to disk + → VFS: updateTracked() + +[Crash during create → restart] + → VFS loads PendingDocument from disk (idempotencyKey preserved) + → resolveIdempotencyKeys() maps key → documentId + → VFS: assignDocumentId() → TrackedDocument with serverVersion=0 + → Queue: enqueue local-create (retry) + → Server: returns existing document (idempotent) + → VFS: updateTracked() with real serverVersion +``` + +## Invariants + +1. **All state mutations go through the sequential queue.** No document state can change while a sync operation is running. File-change handlers and WebSocket handlers only enqueue events. + +2. **Content cache stores server content after merges.** The cache is used for diff computation: `diff(cached_server_content, new_local_content)`. The server applies diffs against its content at `parentVersionId`. + +3. **Idempotency keys survive crashes.** VFS persists pending documents with their keys. On restart, `resolveIdempotencyKeys` maps keys to documentIds. The key is preserved on TrackedDocument when `serverVersion === 0` so retry creates remain idempotent. + +4. **Write file before updating metadata.** If the write fails, metadata still points to the old version. On recovery, the stale `serverVersion` triggers a re-fetch from server. + +5. **Local events survive reset.** When the WebSocket disconnects, remote events are cleared (server replays on reconnect) but local events are preserved in the queue as unsynced user actions. + +6. **Creates run before delete candidates** in the reconciliation ordering. A create may adopt a "deleted" document's identity via server-side merge. + +## What Was Removed + +- **PQueue** — configurable concurrency queue (replaced by sequential event queue) +- **Locks** — per-document multi-key locks with alphabetical ordering +- **Generation counters** — `resetGeneration` for stale operation detection +- **`containsDocument` guards** — 11 guards after async operations for concurrent-delete protection +- **`parentVersionIdForUpdate` snapshots** — mutable reference protection +- **`parallelVersion`** — collision tracking for multiple docs at same path +- **`UnrestrictedSyncer`** — 1,169-line class with nested if/else (replaced by sync-actions.ts with explicit dispatch) +- **`Database` class usage** — replaced by VFS everywhere (class still exists for type exports) + +## Files + +``` +persistence/ + vfs.ts 779 lines — Virtual Filesystem + database.ts 535 lines — Type definitions only (StoredDatabase, RelativePath, etc.) + +sync-operations/ + syncer.ts 615 lines — Orchestrator + sync-actions.ts 1229 lines — Action implementations + sync-event-queue.ts 242 lines — Per-document coalescing queue + sync-events.ts 297 lines — Event types + coalescing logic + unrestricted-syncer.ts 1169 lines — DEAD CODE (not imported, to be deleted) + cursor-tracker.ts 273 lines — Cursor position tracking +``` diff --git a/frontend/sync-client/package.json b/frontend/sync-client/package.json index aa369fa7..4c032d4c 100644 --- a/frontend/sync-client/package.json +++ b/frontend/sync-client/package.json @@ -13,20 +13,22 @@ "test": "tsx --test 'src/**/*.test.ts'" }, "devDependencies": { + "@sentry/browser": "^10.30.0", + "@types/murmurhash3js-revisited": "^3.0.3", + "@types/node": "^25.0.2", "byte-base64": "^1.1.0", - "minimatch": "^10.0.1", - "p-queue": "^8.1.0", - "reconcile-text": "^0.8.0", - "uuid": "^13.0.0", - "@types/node": "^24.8.1", - "ts-loader": "^9.5.2", + "minimatch": "^10.1.1", + "p-queue": "^9.0.1", + "reconcile-text": "^0.11.0", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", - "webpack": "^5.99.9", + "tsx": "^4.21.0", + "typescript": "5.9.3", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1", - "webpack-merge": "^6.0.1", - "@sentry/browser": "^10.8.0", - "ws": "^8.18.3" + "webpack-merge": "^6.0.1" + }, + "dependencies": { + "murmurhash3js-revisited": "^3.0.0" } } diff --git a/frontend/sync-client/src/consts.ts b/frontend/sync-client/src/consts.ts index da70ba47..9e983c72 100644 --- a/frontend/sync-client/src/consts.ts +++ b/frontend/sync-client/src/consts.ts @@ -2,5 +2,8 @@ export const TIMEOUT_FOR_MERGING_HISTORY_ENTRIES_IN_SECONDS = 60; export const DIFF_CACHE_SIZE_MB = 2; export const MAX_LOG_MESSAGE_COUNT = 100000; export const MAX_HISTORY_ENTRY_COUNT = 5000; -export const SUPPORTED_API_VERSION = 2; -export const WEBSOCKET_DISCONNECT_TIMEOUT_IN_S = 10; +export const SUPPORTED_API_VERSION = 3; +export const WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS = 10; +export const WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS = 10; +export const WEBSOCKET_HEARTBEAT_INTERVAL_MS = 30_000; +export const WEBSOCKET_HEARTBEAT_TIMEOUT_MS = 90_000; diff --git a/frontend/sync-client/src/services/authentication-error.ts b/frontend/sync-client/src/errors/authentication-error.ts similarity index 100% rename from frontend/sync-client/src/services/authentication-error.ts rename to frontend/sync-client/src/errors/authentication-error.ts diff --git a/frontend/sync-client/src/file-operations/file-not-found-error.ts b/frontend/sync-client/src/errors/file-not-found-error.ts similarity index 100% rename from frontend/sync-client/src/file-operations/file-not-found-error.ts rename to frontend/sync-client/src/errors/file-not-found-error.ts diff --git a/frontend/sync-client/src/errors/http-client-error.ts b/frontend/sync-client/src/errors/http-client-error.ts new file mode 100644 index 00000000..38bb2fd0 --- /dev/null +++ b/frontend/sync-client/src/errors/http-client-error.ts @@ -0,0 +1,8 @@ +export class HttpClientError extends Error { + public readonly status: number; + public constructor(status: number, message: string) { + super(message); + this.name = "HttpClientError"; + this.status = status; + } +} diff --git a/frontend/sync-client/src/services/server-version-mismatch-error.ts b/frontend/sync-client/src/errors/server-version-mismatch-error.ts similarity index 100% rename from frontend/sync-client/src/services/server-version-mismatch-error.ts rename to frontend/sync-client/src/errors/server-version-mismatch-error.ts diff --git a/frontend/sync-client/src/services/sync-reset-error.ts b/frontend/sync-client/src/errors/sync-reset-error.ts similarity index 100% rename from frontend/sync-client/src/services/sync-reset-error.ts rename to frontend/sync-client/src/errors/sync-reset-error.ts diff --git a/frontend/sync-client/src/file-operations/file-operations.test.ts b/frontend/sync-client/src/file-operations/file-operations.test.ts index 998e47ec..f454d2ca 100644 --- a/frontend/sync-client/src/file-operations/file-operations.test.ts +++ b/frontend/sync-client/src/file-operations/file-operations.test.ts @@ -1,9 +1,6 @@ import { describe, it } from "node:test"; -import type { - Database, - DocumentRecord, - RelativePath -} from "../persistence/database"; +import type { RelativePath } from "../persistence/database"; +import type { VirtualFilesystem } from "../persistence/vfs"; import { FileOperations } from "./file-operations"; import { Logger } from "../tracing/logger"; import { assertSetContainsExactly } from "../utils/assert-set-contains-exactly"; @@ -21,17 +18,14 @@ class MockServerConfig implements Pick { } } -class MockDatabase implements Partial { - public getLatestDocumentByRelativePath( - _find: RelativePath - ): DocumentRecord | undefined { - // no-op +class MockVfs implements Partial { + public getByPath(_path: string): undefined { return undefined; } public move( - _oldRelativePath: RelativePath, - _newRelativePath: RelativePath + _oldPath: string, + _newPath: string ): void { // no-op } @@ -89,7 +83,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockVfs() as VirtualFilesystem, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -119,7 +113,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockVfs() as VirtualFilesystem, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -159,7 +153,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockVfs() as VirtualFilesystem, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -178,7 +172,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockVfs() as VirtualFilesystem, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); @@ -207,7 +201,7 @@ describe("File operations", () => { const fileSystemOperations = new FakeFileSystemOperations(); const fileOperations = new FileOperations( new Logger(), - new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + new MockVfs() as VirtualFilesystem, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion fileSystemOperations, new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion ); diff --git a/frontend/sync-client/src/file-operations/file-operations.ts b/frontend/sync-client/src/file-operations/file-operations.ts index 2864bd20..e75177c9 100644 --- a/frontend/sync-client/src/file-operations/file-operations.ts +++ b/frontend/sync-client/src/file-operations/file-operations.ts @@ -1,12 +1,15 @@ import type { Logger } from "../tracing/logger"; import type { FileSystemOperations } from "./filesystem-operations"; -import type { Database, RelativePath } from "../persistence/database"; +import type { RelativePath } from "../persistence/database"; +import type { VirtualFilesystem } from "../persistence/vfs"; import { SafeFileSystemOperations } from "./safe-filesystem-operations"; import type { TextWithCursors } from "reconcile-text"; import { reconcile } from "reconcile-text"; import { isFileTypeMergable } from "../utils/is-file-type-mergable"; import { isBinary } from "../utils/is-binary"; +import { decodeText, normalizeToUtf8 } from "../utils/decode-text"; import type { ServerConfig } from "../services/server-config"; +import { validateRelativePath } from "../utils/validate-relative-path"; export class FileOperations { private static readonly PARENTHESES_REGEX = / \((?\d+)\)$/; @@ -14,7 +17,7 @@ export class FileOperations { public constructor( private readonly logger: Logger, - private readonly database: Database, + private readonly vfs: VirtualFilesystem, fs: FileSystemOperations, private readonly serverConfig: ServerConfig, private readonly nativeLineEndings = "\n" @@ -41,52 +44,125 @@ export class FileOperations { } public async read(path: RelativePath): Promise { - return this.fromNativeLineEndings(await this.fs.read(path)); + const raw = await this.fs.read(path); + return this.fromNativeLineEndings(normalizeToUtf8(raw)); } /** - * Create a file at the specified path. - * - * If a file with the same name already exists, it is moved before creating the new one. - * Parent directories are created if necessary. - */ + * Create a file at the specified path. + * + * If a file with the same name already exists, it is moved before creating the new one. + * Parent directories are created if necessary. + */ public async create( path: RelativePath, newContent: Uint8Array ): Promise { + validateRelativePath(path); await this.ensureClearPath(path); return this.fs.write(path, this.toNativeLineEndings(newContent)); } - public async ensureClearPath(path: RelativePath): Promise { - if (await this.fs.exists(path)) { + public async ensureClearPath(path: RelativePath): Promise { + validateRelativePath(path); + // Acquire the lock on `path` first, then check existence inside the + // lock. The previous code checked exists() before locking, which + // created a TOCTOU race: two concurrent calls could both see the + // file as existing, but the second one would try to rename a file + // that was already moved by the first. + await this.fs.waitForLock(path); + try { + return await this.ensureClearPathLocked(path); + } finally { + this.fs.unlock(path); + } + } + + /** + * Internal implementation of `ensureClearPath` that assumes the caller + * already holds the file-level lock on `path`. This allows callers like + * `move()` to keep the lock held across both the clear and the subsequent + * rename, closing the race window where another operation could create a + * file at `path` between the two steps. + */ + private async ensureClearPathLocked( + path: RelativePath + ): Promise { + if (await this.fs.exists(path, true)) { const deconflictedPath = await this.deconflictPath(path); try { this.logger.debug( `Didn't expect ${path} to exist, deconflicting by moving it to '${deconflictedPath}'` ); - this.database.move(path, deconflictedPath); + // deconflictedPath is already locked via tryLock in + // deconflictPath(), so we pass skipLock=true to the + // rename to avoid deadlocking on the destination lock. await this.fs.rename(path, deconflictedPath, true); + try { + this.vfs.move(path, deconflictedPath); + + // Tell the sync system this displacement is system-initiated + // (not a user rename) by setting remoteRelativePath to the + // deconflicted path. This makes the check in + // syncLocallyUpdatedFile (remoteRelativePath === relativePath) + // pass, preventing the displacement from being uploaded as a + // rename to the server. Without this, the rename event from + // fs.rename() triggers an update with the deconflicted path, + // the server deconflicts further, and an infinite cascade + // ensues. The force:true content-match shortcut ensures that + // when the server eventually broadcasts the document's real + // path, the client just updates metadata without moving the + // file back. + const displacedDoc = + this.vfs.getByPath(deconflictedPath); + if ( + displacedDoc?.state === "tracked" && + displacedDoc.remoteRelativePath !== undefined + ) { + displacedDoc.remoteRelativePath = + deconflictedPath; + } + } catch (e) { + // vfs.move() failed (e.g., a non-deleted document + // already exists at deconflictedPath). Revert the + // filesystem rename to keep file and VFS + // consistent. If the revert also fails, log it — + // scheduleSyncForOfflineChanges will reconcile. + this.logger.warn( + `vfs.move(${path}, ${deconflictedPath}) failed in ensureClearPath: ${e}, reverting filesystem rename` + ); + try { + await this.fs.rename(deconflictedPath, path, true); + } catch (revertError) { + this.logger.warn( + `Failed to revert filesystem rename from ${deconflictedPath} to ${path}: ${revertError}` + ); + } + throw e; + } } finally { this.fs.unlock(deconflictedPath); } + return deconflictedPath; } else { await this.createParentDirectories(path); + return undefined; } } /** - * Update the file at the given path. - * - * Performs a 3-way merge before writing if the file's content differs from `expectedContent`. - * Does not recreate the file if it no longer exists, returning an empty array instead. - */ + * Update the file at the given path. + * + * Performs a 3-way merge before writing if the file's content differs from `expectedContent`. + * Does not recreate the file if it no longer exists, returning an empty array instead. + */ public async write( path: RelativePath, expectedContent: Uint8Array, newContent: Uint8Array ): Promise { + validateRelativePath(path); if (!(await this.fs.exists(path))) { this.logger.debug( `The caller assumed ${path} exists, but it no longer, so we wont recreate it` @@ -113,8 +189,10 @@ export class FileOperations { return; } - const expectedText = new TextDecoder().decode(expectedContent); // this comes from a previous read which must only have \n line endings - const newText = new TextDecoder().decode(newContent); // this comes from the server which stores text with \n line endings + const expectedText = (decodeText(expectedContent) ?? "").normalize( + "NFC" + ); // this comes from a previous read which must only have \n line endings + const newText = (decodeText(newContent) ?? "").normalize("NFC"); // this comes from the server which stores text with \n line endings await this.fs.atomicUpdateText( path, @@ -123,12 +201,29 @@ export class FileOperations { `Performing a 3-way merge for ${path} with the expected content` ); - text = text.replaceAll(this.nativeLineEndings, "\n"); - const merged = reconcile( - expectedText, - { text, cursors }, - newText - ); + text = text + .replaceAll(this.nativeLineEndings, "\n") + .normalize("NFC"); + + let merged: TextWithCursors; + try { + merged = reconcile( + expectedText, + { text, cursors }, + newText, + "Markdown" + ); + } catch { + // 3-way merge failed (e.g., content was fully replaced + // by another agent). Save the local content as a conflict + // file before overwriting with the server's content, so + // the user's edits are never silently lost. + this.logger.info( + `3-way merge failed for ${path}, saving local content as conflict file and using server content` + ); + this.saveConflictFile(path, text); + merged = { text: newText, cursors: [] }; + } const resultText = merged.text.replaceAll( "\n", @@ -144,6 +239,7 @@ export class FileOperations { } public async delete(path: RelativePath): Promise { + validateRelativePath(path); if (await this.exists(path)) { await this.fs.delete(path); await this.deletingEmptyParentDirectoriesOfDeletedFile(path); @@ -164,14 +260,47 @@ export class FileOperations { oldPath: RelativePath, newPath: RelativePath ): Promise { + validateRelativePath(oldPath); + validateRelativePath(newPath); if (oldPath === newPath) { return; } - await this.ensureClearPath(newPath); + // Hold the newPath lock across both ensureClearPath and rename. + // Without this, another operation could create a file at newPath + // between ensureClearPath releasing the lock and rename acquiring + // it, causing the rename to silently overwrite the new file. + await this.fs.waitForLock(newPath); + try { + await this.ensureClearPathLocked(newPath); + // skipLock=true because we already hold the newPath lock. + // The oldPath lock is not needed; sync operations run + // sequentially so no concurrent operation can race on paths. + await this.fs.rename(oldPath, newPath, true); + } finally { + this.fs.unlock(newPath); + } + try { + this.vfs.move(oldPath, newPath); + } catch (e) { + // vfs.move() failed (e.g., a non-deleted document already + // exists at newPath). Revert the filesystem rename to keep the + // file and VFS consistent. If the revert also fails, log + // it — scheduleSyncForOfflineChanges will reconcile on the + // next cycle. + this.logger.warn( + `vfs.move(${oldPath}, ${newPath}) failed: ${e}, reverting filesystem rename` + ); + try { + await this.fs.rename(newPath, oldPath); + } catch (revertError) { + this.logger.warn( + `Failed to revert filesystem rename from ${newPath} to ${oldPath}: ${revertError}` + ); + } + throw e; + } - this.database.move(oldPath, newPath); - await this.fs.rename(oldPath, newPath); await this.deletingEmptyParentDirectoriesOfDeletedFile(oldPath); } @@ -204,25 +333,60 @@ export class FileOperations { } private fromNativeLineEndings(content: Uint8Array): Uint8Array { - if (isBinary(content)) { + const text = decodeText(content); + if (text === undefined) { return content; } - const decoder = new TextDecoder("utf-8"); - let text = decoder.decode(content); - text = text.replaceAll(this.nativeLineEndings, "\n"); - return new TextEncoder().encode(text); + const normalized = text.replaceAll(this.nativeLineEndings, "\n"); + return new TextEncoder().encode(normalized); } private toNativeLineEndings(content: Uint8Array): Uint8Array { - if (isBinary(content)) { + const text = decodeText(content); + if (text === undefined) { return content; } - const decoder = new TextDecoder("utf-8"); - let text = decoder.decode(content); - text = text.replaceAll("\n", this.nativeLineEndings); - return new TextEncoder().encode(text); + const normalized = text.replaceAll("\n", this.nativeLineEndings); + return new TextEncoder().encode(normalized); + } + + /** + * Save the local content of a file as a conflict file when 3-way merge + * fails, so the user's edits are never silently lost. The conflict file + * is created at a deconflicted path (e.g., "file (conflict 1).md"). + * + * This is fire-and-forget — errors are logged but do not prevent the + * caller from proceeding with the server's content. + */ + private saveConflictFile( + path: RelativePath, + localContent: string + ): void { + const contentBytes = new TextEncoder().encode( + localContent.replaceAll("\n", this.nativeLineEndings) + ); + // Fire-and-forget: we don't want a failed conflict-save to prevent + // the server content from being written. + void (async () => { + try { + const conflictPath = + await this.deconflictPath(path); + try { + await this.fs.write(conflictPath, contentBytes); + this.logger.info( + `Saved local content as conflict file: ${conflictPath}` + ); + } finally { + this.fs.unlock(conflictPath); + } + } catch (e) { + this.logger.warn( + `Failed to save conflict file for ${path}: ${e}` + ); + } + })(); } private async createParentDirectories(path: string): Promise { @@ -239,12 +403,12 @@ export class FileOperations { } /** - * Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found. - * The returned path has a lock acquired on it; it must be released by the caller when no longer needed. - * - * @param path The starting path to deconflict - * @returns a non-existent path with a lock acquired on it - */ + * Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found. + * The returned path has a lock acquired on it; it must be released by the caller when no longer needed. + * + * @param path The starting path to deconflict + * @returns a non-existent path with a lock acquired on it + */ private async deconflictPath(path: RelativePath): Promise { // eslint-disable-next-line prefer-const let [directory, fileName] = FileOperations.getParentDirAndFile(path); @@ -275,10 +439,12 @@ export class FileOperations { // Avoid multiple deconflictPath calls returning the same path if (this.fs.tryLock(newName)) { - const newDocument = - this.database.getLatestDocumentByRelativePath(newName); + // getByPath only returns live docs (pending/tracked), not + // deleted-locally ones, so a non-undefined result means + // the path is occupied. + const existingDoc = this.vfs.getByPath(newName); if ( - newDocument?.isDeleted === false || // the document might have been confirmed by the server at a new path but haven't yet moved there locally + existingDoc !== undefined || // the document might have been confirmed by the server at a new path but haven't yet moved there locally (await this.fs.exists(newName, true)) ) { this.fs.unlock(newName); diff --git a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts index 904bf805..3bd84266 100644 --- a/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts +++ b/frontend/sync-client/src/file-operations/safe-filesystem-operations.ts @@ -2,7 +2,7 @@ import type { RelativePath } from "../persistence/database"; import type { FileSystemOperations } from "./filesystem-operations"; import type { Logger } from "../tracing/logger"; import { Locks } from "../utils/data-structures/locks"; -import { FileNotFoundError } from "./file-not-found-error"; +import { FileNotFoundError } from "../errors/file-not-found-error"; import type { TextWithCursors } from "reconcile-text"; /** @@ -17,7 +17,7 @@ export class SafeFileSystemOperations implements FileSystemOperations { private readonly fs: FileSystemOperations, private readonly logger: Logger ) { - this.locks = new Locks(logger); + this.locks = new Locks(SafeFileSystemOperations.name, logger); } public async listFilesRecursively( @@ -135,10 +135,10 @@ export class SafeFileSystemOperations implements FileSystemOperations { } /** - * Decorate an operation to ensure that the file exists before running it. - * If the operation fails, it will check if the file still exists and throw - * a FileNotFoundError if it doesn't. - */ + * Decorate an operation to ensure that the file exists before running it. + * If the operation fails, it will check if the file still exists and throw + * a FileNotFoundError if it doesn't. + */ private async safeOperation( path: RelativePath, operation: () => Promise, diff --git a/frontend/sync-client/src/index.ts b/frontend/sync-client/src/index.ts index cfcc5071..c4e4313d 100644 --- a/frontend/sync-client/src/index.ts +++ b/frontend/sync-client/src/index.ts @@ -2,6 +2,7 @@ import { awaitAll } from "./utils/await-all"; import { logToConsole } from "./utils/debugging/log-to-console"; import { slowFetchFactory } from "./utils/debugging/slow-fetch-factory"; import { slowWebSocketFactory } from "./utils/debugging/slow-web-socket-factory"; +import { InMemoryFileSystem } from "./utils/debugging/in-memory-file-system"; import { getRandomColor } from "./utils/get-random-color"; import { lineAndColumnToPosition } from "./utils/line-and-column-to-position"; import { positionToLineAndColumn } from "./utils/position-to-line-and-column"; @@ -27,8 +28,8 @@ export type { PersistenceProvider } from "./persistence/persistence"; export type { CursorSpan } from "./services/types/CursorSpan"; export type { ClientCursors } from "./services/types/ClientCursors"; export type { NetworkConnectionStatus } from "./types/network-connection-status"; -export type { ServerVersionMismatchError } from "./services/server-version-mismatch-error"; -export type { AuthenticationError } from "./services/authentication-error"; +export type { ServerVersionMismatchError } from "./errors/server-version-mismatch-error"; +export type { AuthenticationError } from "./errors/authentication-error"; export type { MaybeOutdatedClientCursors } from "./types/maybe-outdated-client-cursors"; export { DocumentSyncStatus } from "./types/document-sync-status"; export { SyncClient } from "./sync-client"; @@ -37,7 +38,8 @@ export type { TextWithCursors, CursorPosition } from "reconcile-text"; export const debugging = { slowFetchFactory, slowWebSocketFactory, - logToConsole + logToConsole, + InMemoryFileSystem }; export const utils = { diff --git a/frontend/sync-client/src/persistence/database.ts b/frontend/sync-client/src/persistence/database.ts index 86b2845c..e19abf48 100644 --- a/frontend/sync-client/src/persistence/database.ts +++ b/frontend/sync-client/src/persistence/database.ts @@ -1,374 +1,24 @@ -import type { Logger } from "../tracing/logger"; -import { EMPTY_HASH } from "../utils/hash"; -import { CoveredValues } from "../utils/data-structures/min-covered"; -import { awaitAll } from "../utils/await-all"; -import { removeFromArray } from "../utils/remove-from-array"; - export type VaultUpdateId = number; export type DocumentId = string; export type RelativePath = string; -export interface DocumentMetadata { - parentVersionId: VaultUpdateId; - hash: string; - remoteRelativePath?: RelativePath; -} - export interface StoredDocumentMetadata { relativePath: RelativePath; documentId: DocumentId; parentVersionId: VaultUpdateId; remoteRelativePath?: RelativePath; hash: string; + isDeleted?: boolean; +} + +export interface StoredPendingDocument { + relativePath: RelativePath; + idempotencyKey: string; + originalCreationPath: RelativePath; } export interface StoredDatabase { documents: StoredDocumentMetadata[]; + pendingDocuments?: StoredPendingDocument[]; lastSeenUpdateId: VaultUpdateId | undefined; - hasInitialSyncCompleted: boolean; -} - -/** - * Represents a document in the database. - * - * It is mutable and its content should always represent the latest - * state of the document on disk based on the update events we have seen. - */ -export interface DocumentRecord { - relativePath: RelativePath; - documentId: DocumentId; - metadata: DocumentMetadata | undefined; - isDeleted: boolean; - updates: Promise[]; - parallelVersion: number; -} - -export class Database { - private documents: DocumentRecord[]; - private lastSeenUpdateIds: CoveredValues; - private hasInitialSyncCompleted: boolean; - - public constructor( - private readonly logger: Logger, - initialState: Partial | undefined, - private readonly saveData: (data: StoredDatabase) => Promise - ) { - initialState ??= {}; - - this.documents = - initialState.documents?.map( - ({ relativePath, documentId, ...metadata }) => ({ - relativePath, - documentId, - metadata, - isDeleted: false, - updates: [], - parallelVersion: 0 - }) - ) ?? []; - - this.ensureConsistency(); - this.logger.debug(`Loaded ${this.documents.length} documents`); - - const { lastSeenUpdateId } = initialState; - this.logger.debug(`Loaded last seen update id: ${lastSeenUpdateId}`); - this.lastSeenUpdateIds = new CoveredValues( - Math.max(0, lastSeenUpdateId ?? 0) // the first updateId will be 1 which is the first integer after -1 - ); - - this.documents.forEach((doc) => { - this.lastSeenUpdateIds.add(doc.metadata?.parentVersionId); - }); - - this.hasInitialSyncCompleted = - initialState.hasInitialSyncCompleted ?? false; - this.logger.debug( - `Loaded hasInitialSyncCompleted: ${this.hasInitialSyncCompleted}` - ); - } - - public get length(): number { - return this.documents.length; - } - - public get resolvedDocuments(): DocumentRecord[] { - const paths = new Map(); - this.documents - // eslint-disable-next-line no-restricted-syntax -- Type narrowing, not removing a specific item - .filter(({ metadata }) => metadata !== undefined) - .forEach((record) => - paths.set(record.relativePath, [ - record, - ...(paths.get(record.relativePath) ?? []) - ]) - ); - - return Array.from(paths.values()).map((records) => { - records.sort( - (a, b) => b.parallelVersion - a.parallelVersion // descending - ); - - if ( - records.length > 1 && - records.some((current, i) => - i === 0 - ? false - : records[i - 1].parallelVersion === - current.parallelVersion - ) - ) { - throw new Error( - `Multiple documents with the same parallel version and path at ${records[0].relativePath}` - ); - } - return records[0]; - }); - } - - public updateDocumentMetadata( - metadata: { - parentVersionId: VaultUpdateId; - hash: string; - remoteRelativePath: RelativePath; - }, - toUpdate: DocumentRecord - ): void { - if (!this.documents.includes(toUpdate)) { - throw new Error("Document not found in database"); - } - - toUpdate.metadata = metadata; - - this.saveInTheBackground(); - } - - public removeDocumentPromise(promise: Promise): void { - const entry = this.documents.find(({ updates }) => - updates.includes(promise) - ); - - if (entry === undefined) { - // This method should be idempotent and tolerant of - // stragglers calling it after the databse has been reset. - return; - } - - removeFromArray(entry.updates, promise); - // No need to save as Promises don't get serialized - } - - public removeDocument(find: DocumentRecord): void { - removeFromArray(this.documents, find); - this.saveInTheBackground(); - } - - public getLatestDocumentByRelativePath( - find: RelativePath - ): DocumentRecord | undefined { - const candidates = this.documents.filter( - ({ relativePath }) => relativePath === find - ); - candidates.sort((a, b) => b.parallelVersion - a.parallelVersion); // descending - return candidates[0]; - } - - public async getResolvedDocumentByRelativePath( - relativePath: RelativePath, - promise: Promise - ): Promise { - const entry = this.getLatestDocumentByRelativePath(relativePath); - - if (entry === undefined) { - throw new Error( - `Document not found by relative path: ${relativePath}, ${JSON.stringify( - this.documents, - null, - 2 - )}` - ); - } - - const currentPromises = entry.updates; - entry.updates = [...currentPromises, promise]; - await awaitAll(currentPromises); - - return entry; - } - - public createNewPendingDocument( - documentId: DocumentId, - relativePath: RelativePath, - promise: Promise - ): DocumentRecord { - this.logger.debug( - `Creating new pending document: ${relativePath} (${documentId})` - ); - const previousEntry = - this.getLatestDocumentByRelativePath(relativePath); - - const entry = { - relativePath, - documentId, - metadata: undefined, - isDeleted: false, - updates: [promise], - parallelVersion: - previousEntry?.parallelVersion === undefined - ? 0 - : previousEntry.parallelVersion + 1 - }; - - this.documents.push(entry); - this.saveInTheBackground(); - - return entry; - } - - public createNewEmptyDocument( - documentId: DocumentId, - parentVersionId: VaultUpdateId, - relativePath: RelativePath - ): DocumentRecord { - const entry = { - relativePath, - documentId, - metadata: { - parentVersionId, - hash: EMPTY_HASH, - remoteRelativePath: relativePath - }, - isDeleted: false, - updates: [], - parallelVersion: 0 - }; - - this.documents.push(entry); - this.saveInTheBackground(); - - return entry; - } - - public getDocumentByDocumentId( - find: DocumentId - ): DocumentRecord | undefined { - return this.documents.find(({ documentId }) => documentId === find); - } - - public move( - oldRelativePath: RelativePath, - newRelativePath: RelativePath - ): void { - const oldDocument = - this.getLatestDocumentByRelativePath(oldRelativePath); - - if (oldDocument === undefined) { - return; - } - - const newDocument = - this.getLatestDocumentByRelativePath(newRelativePath); - if (newDocument?.isDeleted === false) { - throw new Error( - `Document already exists at new location: ${newRelativePath}` - ); - } - - oldDocument.relativePath = newRelativePath; - // We're in a strange state where the target of the move has just got deleted, - // however, its metadata might already have a bunch of updates queued up for - // the document at the new location. We need to keep these updates. - oldDocument.parallelVersion = - newDocument !== undefined ? newDocument.parallelVersion + 1 : 0; - - this.saveInTheBackground(); - } - - public delete(relativePath: RelativePath): void { - const candidate = this.getLatestDocumentByRelativePath(relativePath); - if (candidate === undefined) { - throw new Error( - `Document not found by relative path: ${relativePath}` - ); - } - candidate.isDeleted = true; - } - - public getHasInitialSyncCompleted(): boolean { - return this.hasInitialSyncCompleted; - } - - public setHasInitialSyncCompleted(value: boolean): void { - this.hasInitialSyncCompleted = value; - this.saveInTheBackground(); - } - - public getLastSeenUpdateId(): VaultUpdateId { - return this.lastSeenUpdateIds.min; - } - - public addSeenUpdateId(value: number): void { - const previousMin = this.lastSeenUpdateIds.min; - this.lastSeenUpdateIds.add(value); - if (previousMin !== this.lastSeenUpdateIds.min) { - this.saveInTheBackground(); - } - } - - public setLastSeenUpdateId(value: number): void { - this.lastSeenUpdateIds.min = value; - this.saveInTheBackground(); - } - - public reset(): void { - this.documents = []; - this.lastSeenUpdateIds = new CoveredValues( - 0 // the first updateId will be 1 which is the first integer after -1 - ); - this.hasInitialSyncCompleted = false; - this.saveInTheBackground(); - } - - public async save(): Promise { - return this.saveData({ - documents: this.resolvedDocuments.map( - ({ relativePath, documentId, metadata }) => ({ - documentId, - relativePath, - // eslint-disable-next-line @typescript-eslint/no-non-null-assertion - ...metadata! // `resolvedDocuments` only returns docs with metadata set - }) - ), - lastSeenUpdateId: this.lastSeenUpdateIds.min, - hasInitialSyncCompleted: this.hasInitialSyncCompleted - }); - } - - private ensureConsistency(): void { - const idToPath = new Map(); - - this.resolvedDocuments.forEach(({ relativePath, documentId }) => { - idToPath.set(documentId, [ - ...(idToPath.get(documentId) ?? []), - relativePath - ]); - }); - - const duplicates = Array.from(idToPath.entries()) - .filter(([_, paths]) => paths.length > 1) - .map(([id, paths]) => `${id} (${paths.join(", ")})`); - - if (duplicates.length > 0) { - throw new Error( - "Document IDs are not unique, found duplicates: " + - duplicates.join("; ") - ); - } - } - - private saveInTheBackground(): void { - this.ensureConsistency(); - void this.save().catch((error: unknown) => { - this.logger.error(`Error saving data: ${error}`); - }); - } } diff --git a/frontend/sync-client/src/persistence/settings.ts b/frontend/sync-client/src/persistence/settings.ts index d78170e6..1d5418f7 100644 --- a/frontend/sync-client/src/persistence/settings.ts +++ b/frontend/sync-client/src/persistence/settings.ts @@ -6,7 +6,6 @@ export interface SyncSettings { remoteUri: string; token: string; vaultName: string; - syncConcurrency: number; isSyncEnabled: boolean; maxFileSizeMB: number; ignorePatterns: string[]; @@ -21,7 +20,6 @@ export const DEFAULT_SETTINGS: SyncSettings = { remoteUri: "", token: "", vaultName: "default", - syncConcurrency: 1, isSyncEnabled: false, maxFileSizeMB: 10, ignorePatterns: [], @@ -38,7 +36,7 @@ export class Settings { >(); private settings: SyncSettings; - private readonly lock: Lock = new Lock(); + private readonly lock: Lock; public constructor( private readonly logger: Logger, @@ -50,6 +48,8 @@ export class Settings { ...(initialState ?? {}) }; + this.lock = new Lock(Settings.name, this.logger); + this.logger.debug( `Loaded settings: ${JSON.stringify(this.settings, null, 2)}` ); diff --git a/frontend/sync-client/src/persistence/vfs.ts b/frontend/sync-client/src/persistence/vfs.ts new file mode 100644 index 00000000..3464fdfe --- /dev/null +++ b/frontend/sync-client/src/persistence/vfs.ts @@ -0,0 +1,820 @@ +import type { Logger } from "../tracing/logger"; +import { EMPTY_HASH } from "../utils/hash"; +import { CoveredValues } from "../utils/data-structures/min-covered"; +import type { + StoredDatabase, + StoredDocumentMetadata, + StoredPendingDocument, + VaultUpdateId, + DocumentId, + RelativePath +} from "./database"; + +// --------------------------------------------------------------------------- +// Document state types (discriminated union) +// --------------------------------------------------------------------------- + +export interface PendingDocument { + readonly state: "pending"; + relativePath: string; + readonly idempotencyKey: string; + readonly originalCreationPath: string; +} + +export interface TrackedDocument { + readonly state: "tracked"; + relativePath: string; + documentId: string; + serverVersion: number; + localHash: string; + remoteRelativePath: string; + idempotencyKey?: string; +} + +export interface DeletedLocallyDocument { + readonly state: "deleted-locally"; + relativePath: string; + readonly documentId: string; + readonly serverVersion: number; + readonly remoteRelativePath: string; +} + +export type VirtualDocument = + | PendingDocument + | TrackedDocument + | DeletedLocallyDocument; + +// --------------------------------------------------------------------------- +// Reconciliation result +// --------------------------------------------------------------------------- + +export interface ReconciliationResult { + newFiles: string[]; + modifiedFiles: { path: string; documentId: string }[]; + missingFiles: VirtualDocument[]; + movedFiles: { document: TrackedDocument; newPath: string }[]; +} + +// --------------------------------------------------------------------------- +// VirtualFilesystem +// --------------------------------------------------------------------------- + +export class VirtualFilesystem { + /** One live document per path (pending or tracked, NOT deleted-locally). */ + private readonly pathIndex = new Map(); + + /** All documents that have a documentId (tracked + deleted-locally). */ + private readonly documentIdIndex = new Map(); + + /** Pending documents by idempotency key. */ + private readonly idempotencyKeyIndex = new Map(); + + private lastSeenUpdateIds: CoveredValues; + + private pendingSave: Promise = Promise.resolve(); + + public constructor( + private readonly logger: Logger, + initialState: Partial | undefined, + private readonly saveData: (data: StoredDatabase) => Promise + ) { + const state: Partial = initialState ?? {}; + + const validDocuments = (state.documents ?? []).filter( + (doc) => + this.validateStoredField(doc, "relativePath", "string") && + this.validateStoredField(doc, "documentId", "string") && + this.validateStoredField(doc, "parentVersionId", "number") + ); + + for (const stored of validDocuments) { + if (stored.isDeleted === true) { + const doc: DeletedLocallyDocument = { + state: "deleted-locally", + relativePath: stored.relativePath, + documentId: stored.documentId, + serverVersion: stored.parentVersionId, + remoteRelativePath: + stored.remoteRelativePath ?? stored.relativePath + }; + // deleted-locally docs go into documentIdIndex only + this.documentIdIndex.set(doc.documentId, doc); + } else { + const doc: TrackedDocument = { + state: "tracked", + relativePath: stored.relativePath, + documentId: stored.documentId, + serverVersion: stored.parentVersionId, + localHash: stored.hash, + remoteRelativePath: + stored.remoteRelativePath ?? stored.relativePath + }; + // If two stored documents have the same path, last one wins + // (matches old behavior where highest parallelVersion wins) + this.pathIndex.set(doc.relativePath, doc); + this.documentIdIndex.set(doc.documentId, doc); + } + } + + const validPendingDocuments = (state.pendingDocuments ?? []).filter( + (doc) => + this.validateStoredField(doc, "relativePath", "string") && + this.validateStoredField(doc, "idempotencyKey", "string") + ); + + for (const stored of validPendingDocuments) { + // If a live doc already exists at this path, skip the pending one + // only if the live doc is tracked (has metadata). If a pending doc + // already exists, skip duplicates. + const existing = this.pathIndex.get(stored.relativePath); + if (existing?.state === "pending") { + this.logger.debug( + `Skipping duplicate pending document at ${stored.relativePath}` + ); + continue; + } + + const doc: PendingDocument = { + state: "pending", + relativePath: stored.relativePath, + idempotencyKey: stored.idempotencyKey, + originalCreationPath: + stored.originalCreationPath ?? stored.relativePath + }; + + // A pending doc at a path where a tracked doc exists: the pending + // doc takes precedence in pathIndex (mirrors old behavior where + // pending has higher parallelVersion). + this.pathIndex.set(doc.relativePath, doc); + this.idempotencyKeyIndex.set(doc.idempotencyKey, doc); + } + + this.ensureConsistency(); + + const totalDocs = + this.pathIndex.size + this.deletedLocallyDocuments().length; + this.logger.debug(`Loaded ${totalDocs} documents`); + + const { lastSeenUpdateId } = state; + this.logger.debug(`Loaded last seen update id: ${lastSeenUpdateId}`); + this.lastSeenUpdateIds = new CoveredValues( + Math.max(0, lastSeenUpdateId ?? 0) + ); + + // Seed CoveredValues with known server versions + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "tracked") { + this.lastSeenUpdateIds.add(doc.serverVersion); + } else if (doc.state === "deleted-locally") { + this.lastSeenUpdateIds.add(doc.serverVersion); + } + } + } + + // ----------------------------------------------------------------------- + // Validation helper + // ----------------------------------------------------------------------- + + private validateStoredField( + doc: object, + field: string, + expectedType: "string" | "number" + ): boolean { + const value = (doc as Record)[field]; + if ( + typeof value !== expectedType || + (expectedType === "string" && !value) || + (expectedType === "number" && isNaN(value as number)) + ) { + this.logger.warn( + `Skipping stored document with invalid ${field}: ${JSON.stringify(doc)}` + ); + return false; + } + return true; + } + + // ----------------------------------------------------------------------- + // Queries + // ----------------------------------------------------------------------- + + public getByPath(path: string): VirtualDocument | undefined { + return this.pathIndex.get(path); + } + + public getByDocumentId(id: string): VirtualDocument | undefined { + return this.documentIdIndex.get(id); + } + + public getByIdempotencyKey(key: string): PendingDocument | undefined { + return this.idempotencyKeyIndex.get(key); + } + + public trackedDocuments(): TrackedDocument[] { + const result: TrackedDocument[] = []; + for (const doc of this.pathIndex.values()) { + if (doc.state === "tracked") { + result.push(doc); + } + } + return result; + } + + public pendingDocuments(): PendingDocument[] { + const result: PendingDocument[] = []; + for (const doc of this.pathIndex.values()) { + if (doc.state === "pending") { + result.push(doc); + } + } + return result; + } + + public deletedLocallyDocuments(): DeletedLocallyDocument[] { + const result: DeletedLocallyDocument[] = []; + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "deleted-locally") { + result.push(doc); + } + } + return result; + } + + /** All live documents (pending + tracked) that occupy a path. */ + public allLiveDocuments(): VirtualDocument[] { + return Array.from(this.pathIndex.values()); + } + + /** Total number of documents across all indexes (live + deleted-locally). */ + public get length(): number { + // pathIndex has live docs (pending + tracked). + // documentIdIndex has tracked + deleted-locally. + // Tracked docs appear in both, so count: + // pending (pathIndex only) + tracked (both) + deleted-locally (documentIdIndex only) + // = pathIndex.size + deletedLocally count + let deletedCount = 0; + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "deleted-locally") { + deletedCount++; + } + } + return this.pathIndex.size + deletedCount; + } + + public contains(doc: VirtualDocument): boolean { + switch (doc.state) { + case "pending": + return this.idempotencyKeyIndex.get(doc.idempotencyKey) === doc; + case "tracked": + return this.documentIdIndex.get(doc.documentId) === doc; + case "deleted-locally": + return this.documentIdIndex.get(doc.documentId) === doc; + } + } + + // ----------------------------------------------------------------------- + // Update ID tracking + // ----------------------------------------------------------------------- + + public getLastSeenUpdateId(): number { + return this.lastSeenUpdateIds.min; + } + + public addSeenUpdateId(value: number): void { + const previousMin = this.lastSeenUpdateIds.min; + this.lastSeenUpdateIds.add(value); + if (previousMin !== this.lastSeenUpdateIds.min) { + this.saveInTheBackground(); + } + } + + public setLastSeenUpdateId(value: number): void { + this.lastSeenUpdateIds.min = value; + this.saveInTheBackground(); + } + + // ----------------------------------------------------------------------- + // Mutations + // ----------------------------------------------------------------------- + + /** + * Create a pending document at the given path. If a pending document + * already exists at the path, return it (idempotent). Generates a new + * idempotency key via `crypto.randomUUID()`. + * + * Awaits save() so the idempotency key is persisted before any HTTP + * request is sent. + */ + public async createPending(path: string): Promise { + this.logger.debug(`Creating new pending document: ${path}`); + + const existing = this.pathIndex.get(path); + if (existing?.state === "pending") { + this.logger.debug( + `Pending document already exists at ${path}, reusing it` + ); + return existing; + } + + const doc: PendingDocument = { + state: "pending", + relativePath: path, + idempotencyKey: crypto.randomUUID(), + originalCreationPath: path + }; + + this.pathIndex.set(path, doc); + this.idempotencyKeyIndex.set(doc.idempotencyKey, doc); + + // Awaited so the idempotency key is persisted before any HTTP + // request is sent — a crash before save would lose the key. + await this.save(); + + return doc; + } + + /** + * Confirm a pending create: transition from pending to tracked. + * Removes the pending doc and inserts a tracked doc with full metadata. + */ + public confirmCreate( + idempotencyKey: string, + documentId: DocumentId, + serverVersion: VaultUpdateId, + localHash: string, + remoteRelativePath: RelativePath + ): TrackedDocument { + const pending = this.idempotencyKeyIndex.get(idempotencyKey); + if (pending === undefined) { + // The pending doc was already promoted to tracked by + // assignDocumentId (resolveIdempotencyKeys) or a previous + // confirmCreate call. Find the tracked doc and update it. + // Try by documentId first, then by scanning for the key. + let existing = this.documentIdIndex.get(documentId); + if (existing?.state !== "tracked") { + // The server may have assigned a different documentId + // (e.g., merge). Scan all tracked docs for the key. + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "tracked" && doc.idempotencyKey === idempotencyKey) { + existing = doc; + break; + } + } + } + if (existing?.state === "tracked") { + // If the server assigned a different documentId than what + // assignDocumentId set, update the index. + if (existing.documentId !== documentId) { + this.documentIdIndex.delete(existing.documentId); + existing.documentId = documentId; + this.documentIdIndex.set(documentId, existing); + } + existing.serverVersion = serverVersion; + existing.localHash = localHash; + existing.remoteRelativePath = remoteRelativePath; + existing.idempotencyKey = undefined; + this.lastSeenUpdateIds.add(serverVersion); + this.saveInTheBackground(); + return existing; + } + // Truly not found — nothing to update + throw new Error( + `No pending document with idempotency key ${idempotencyKey}` + ); + } + + const tracked: TrackedDocument = { + state: "tracked", + relativePath: pending.relativePath, + documentId, + serverVersion, + localHash, + remoteRelativePath + }; + + // Remove pending from indexes + this.idempotencyKeyIndex.delete(idempotencyKey); + + // Update pathIndex (pending -> tracked at same path) + this.pathIndex.set(tracked.relativePath, tracked); + + // Add to documentIdIndex + this.documentIdIndex.set(tracked.documentId, tracked); + + this.lastSeenUpdateIds.add(serverVersion); + + this.saveInTheBackground(); + return tracked; + } + + /** + * Assign a documentId to a pending document (used by resolveIdempotencyKeys). + * Sets serverVersion = 0 as a placeholder — the sync path must treat + * serverVersion === 0 as needing a create retry. + * + * Returns the new TrackedDocument, or undefined if the key is not found. + */ + public assignDocumentId( + idempotencyKey: string, + documentId: DocumentId + ): TrackedDocument | undefined { + const pending = this.idempotencyKeyIndex.get(idempotencyKey); + if (pending === undefined) { + return undefined; + } + + const tracked: TrackedDocument = { + state: "tracked", + relativePath: pending.relativePath, + documentId, + serverVersion: 0, + localHash: "", + remoteRelativePath: pending.relativePath, + idempotencyKey: pending.idempotencyKey + }; + + // Remove pending from indexes + this.idempotencyKeyIndex.delete(idempotencyKey); + + // Update pathIndex + this.pathIndex.set(tracked.relativePath, tracked); + + // Add to documentIdIndex + this.documentIdIndex.set(tracked.documentId, tracked); + + this.saveInTheBackground(); + return tracked; + } + + /** + * Update an existing tracked document's metadata. + */ + public updateTracked( + documentId: DocumentId, + serverVersion: VaultUpdateId, + localHash: string, + remoteRelativePath: RelativePath + ): void { + const doc = this.documentIdIndex.get(documentId); + if (doc?.state !== "tracked") { + throw new Error( + `Tracked document with id ${documentId} not found` + ); + } + + doc.serverVersion = serverVersion; + doc.localHash = localHash; + doc.remoteRelativePath = remoteRelativePath; + + this.lastSeenUpdateIds.add(serverVersion); + + this.saveInTheBackground(); + } + + /** + * Move a document from one path to another. Throws if the target path + * is occupied by a live document. + */ + public move(oldPath: string, newPath: string): void { + const doc = this.pathIndex.get(oldPath); + if (doc === undefined) { + return; + } + + // If another document occupies the target path, it was likely + // orphaned by an earlier displacement that wasn't reconciled. + // Remove it from the path index — reconcileWithDisk will + // re-discover the file if it still exists on disk. + const existingAtNew = this.pathIndex.get(newPath); + if (existingAtNew !== undefined && existingAtNew !== doc) { + this.pathIndex.delete(newPath); + } + + // Remove from old path + this.pathIndex.delete(oldPath); + + // Update the document's relativePath + doc.relativePath = newPath; + + // Insert at new path + this.pathIndex.set(newPath, doc); + + this.saveInTheBackground(); + } + + /** + * Mark a document as deleted locally. + * - Pending: remove entirely (no server-side state to track). + * - Tracked: transition to deleted-locally (keep in documentIdIndex). + */ + public deleteLocally(path: string): void { + const doc = this.pathIndex.get(path); + if (doc === undefined) { + return; + } + + // Remove from pathIndex in all cases + this.pathIndex.delete(path); + + if (doc.state === "pending") { + // Remove from idempotencyKeyIndex too + this.idempotencyKeyIndex.delete(doc.idempotencyKey); + } else if (doc.state === "tracked") { + // Transition to deleted-locally + const deleted: DeletedLocallyDocument = { + state: "deleted-locally", + relativePath: doc.relativePath, + documentId: doc.documentId, + serverVersion: doc.serverVersion, + remoteRelativePath: doc.remoteRelativePath + }; + // Replace in documentIdIndex + this.documentIdIndex.set(deleted.documentId, deleted); + } + + this.saveInTheBackground(); + } + + /** + * Confirm a server-side delete: remove the document entirely. + */ + public confirmDelete(documentId: DocumentId): void { + const doc = this.documentIdIndex.get(documentId); + if (doc === undefined) { + return; + } + + this.documentIdIndex.delete(documentId); + + // Also remove from pathIndex if present (tracked docs are in both) + if (doc.state === "tracked") { + const atPath = this.pathIndex.get(doc.relativePath); + if (atPath === doc) { + this.pathIndex.delete(doc.relativePath); + } + } + + this.saveInTheBackground(); + } + + /** + * Remove a document from all indexes entirely. + */ + public remove(doc: VirtualDocument): void { + switch (doc.state) { + case "pending": { + this.idempotencyKeyIndex.delete(doc.idempotencyKey); + const atPath = this.pathIndex.get(doc.relativePath); + if (atPath === doc) { + this.pathIndex.delete(doc.relativePath); + } + break; + } + case "tracked": { + this.documentIdIndex.delete(doc.documentId); + const atPath = this.pathIndex.get(doc.relativePath); + if (atPath === doc) { + this.pathIndex.delete(doc.relativePath); + } + break; + } + case "deleted-locally": { + this.documentIdIndex.delete(doc.documentId); + break; + } + } + + this.saveInTheBackground(); + } + + /** + * Ensure no other document has the given documentId. If a different + * document already holds it, remove that document and return it (so + * the caller can do optional file-level cleanup). Returns undefined + * if no conflict exists. + */ + public ensureUniqueDocumentId( + documentId: DocumentId, + keeper: VirtualDocument + ): VirtualDocument | undefined { + const existing = this.documentIdIndex.get(documentId); + if (existing !== undefined && existing !== keeper) { + this.remove(existing); + return existing; + } + return undefined; + } + + // ----------------------------------------------------------------------- + // Persistence + // ----------------------------------------------------------------------- + + public async save(): Promise { + const data = this.snapshotForSave(); + const previousSave = this.pendingSave; + const thisSave = (async () => { + await previousSave.catch(() => {}); + await this.saveData(data); + })(); + this.pendingSave = thisSave.catch(() => {}); + return thisSave; + } + + public saveInTheBackground(): void { + this.ensureConsistency(); + void this.save().catch((error: unknown) => { + this.logger.error(`Error saving data: ${error}`); + }); + } + + public reset(): void { + this.pathIndex.clear(); + this.documentIdIndex.clear(); + this.idempotencyKeyIndex.clear(); + this.lastSeenUpdateIds = new CoveredValues(0); + this.saveInTheBackground(); + } + + /** + * Serialize to StoredDatabase format for backward compatibility. + */ + private snapshotForSave(): StoredDatabase { + const documents: StoredDocumentMetadata[] = []; + + // Tracked documents + for (const doc of this.pathIndex.values()) { + if (doc.state === "tracked") { + documents.push({ + relativePath: doc.relativePath, + documentId: doc.documentId, + parentVersionId: doc.serverVersion, + hash: doc.localHash, + remoteRelativePath: doc.remoteRelativePath + }); + } + } + + // Deleted-locally documents (with isDeleted flag) + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "deleted-locally") { + documents.push({ + relativePath: doc.relativePath, + documentId: doc.documentId, + parentVersionId: doc.serverVersion, + hash: "", + isDeleted: true, + remoteRelativePath: doc.remoteRelativePath + }); + } + } + + // Pending documents + const pendingDocuments: StoredPendingDocument[] = []; + for (const doc of this.idempotencyKeyIndex.values()) { + pendingDocuments.push({ + relativePath: doc.relativePath, + idempotencyKey: doc.idempotencyKey, + originalCreationPath: doc.originalCreationPath + }); + } + + return { + documents, + pendingDocuments, + lastSeenUpdateId: this.lastSeenUpdateIds.min + }; + } + + // ----------------------------------------------------------------------- + // Consistency check + // ----------------------------------------------------------------------- + + private ensureConsistency(): void { + // Check that documentIdIndex has no duplicates (by construction it + // shouldn't, since it's a Map keyed by documentId). But verify that + // pathIndex entries with documentIds are consistent. + const seenDocIds = new Set(); + for (const doc of this.pathIndex.values()) { + if (doc.state === "tracked") { + if (seenDocIds.has(doc.documentId)) { + throw new Error( + `Duplicate documentId ${doc.documentId} found in VFS pathIndex` + ); + } + seenDocIds.add(doc.documentId); + } + } + for (const doc of this.documentIdIndex.values()) { + if (doc.state === "deleted-locally") { + if (seenDocIds.has(doc.documentId)) { + throw new Error( + `Duplicate documentId ${doc.documentId} found across live and deleted documents` + ); + } + seenDocIds.add(doc.documentId); + } + } + } + + // ----------------------------------------------------------------------- + // Disk reconciliation + // ----------------------------------------------------------------------- + + /** + * Compare VFS entries against files on disk and produce a pure result + * describing what changed. Does NOT mutate the VFS. + * + * @param diskFiles - List of relative paths that currently exist on disk. + * @param readAndHash - Callback to read a file and return its hash, or + * undefined if the file cannot be read. + */ + public async reconcileWithDisk( + diskFiles: string[], + readAndHash: (path: string) => Promise + ): Promise { + const diskSet = new Set(diskFiles); + + const newFiles: string[] = []; + const modifiedFiles: { path: string; documentId: string }[] = []; + const missingFiles: VirtualDocument[] = []; + const movedFiles: { document: TrackedDocument; newPath: string }[] = []; + + // Collect missing tracked/pending docs (file not on disk) + const missingTracked: TrackedDocument[] = []; + for (const doc of this.pathIndex.values()) { + if (!diskSet.has(doc.relativePath)) { + if (doc.state === "tracked") { + missingTracked.push(doc); + } + missingFiles.push(doc); + } + } + + // For each disk file, classify it + for (const path of diskFiles) { + const doc = this.pathIndex.get(path); + + if (doc === undefined) { + // File on disk, not in VFS — could be new or a move + newFiles.push(path); + } else if (doc.state === "tracked") { + // Check if content changed + const fileHash = await readAndHash(path); + if ( + fileHash !== undefined && + fileHash !== doc.localHash + ) { + modifiedFiles.push({ + path, + documentId: doc.documentId + }); + } + } + // If pending, nothing to reconcile — it's already pending + } + + // Attempt move detection: for each new file, try to match against + // a missing tracked doc by content hash + if (missingTracked.length > 0 && newFiles.length > 0) { + const remainingNew: string[] = []; + + for (const path of newFiles) { + const fileHash = await readAndHash(path); + if (fileHash === undefined || fileHash === EMPTY_HASH) { + remainingNew.push(path); + continue; + } + + // Find a single unique match among missing tracked docs + const matches = missingTracked.filter( + (doc) => doc.localHash === fileHash + ); + + if (matches.length === 1) { + const match = matches[0]; + movedFiles.push({ document: match, newPath: path }); + + // Remove from missingTracked so it can't match again + const idx = missingTracked.indexOf(match); + if (idx !== -1) { + missingTracked.splice(idx, 1); + } + + // Remove from missingFiles too + const missingIdx = missingFiles.indexOf(match); + if (missingIdx !== -1) { + missingFiles.splice(missingIdx, 1); + } + } else { + remainingNew.push(path); + } + } + + // Replace newFiles with the remaining unmatched ones + newFiles.length = 0; + newFiles.push(...remainingNew); + } + + return { newFiles, modifiedFiles, missingFiles, movedFiles }; + } +} diff --git a/frontend/sync-client/src/services/fetch-controller.test.ts b/frontend/sync-client/src/services/fetch-controller.test.ts index 94fa8424..a1b791a6 100644 --- a/frontend/sync-client/src/services/fetch-controller.test.ts +++ b/frontend/sync-client/src/services/fetch-controller.test.ts @@ -3,7 +3,7 @@ import { describe, it, mock, beforeEach, afterEach } from "node:test"; import assert from "node:assert"; import { FetchController } from "./fetch-controller"; import { Logger } from "../tracing/logger"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; import { sleep } from "../utils/sleep"; describe("FetchController", () => { diff --git a/frontend/sync-client/src/services/fetch-controller.ts b/frontend/sync-client/src/services/fetch-controller.ts index 77b87e3a..e330e6fc 100644 --- a/frontend/sync-client/src/services/fetch-controller.ts +++ b/frontend/sync-client/src/services/fetch-controller.ts @@ -1,11 +1,13 @@ import type { Logger } from "../tracing/logger"; import { createPromise } from "../utils/create-promise"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; /** * Offers a resettable fetch implementation that waits until syncing is enabled * and aborts outstanding requests when a reset is started. */ +const HTTP_REQUEST_TIMEOUT_MS = 30_000; + export class FetchController { private static readonly UNTIL_RESOLUTION = Symbol(); @@ -25,18 +27,18 @@ export class FetchController { } /** - * Whether the fetch implementation can immediately send requests once outside of a reset. - */ + * Whether the fetch implementation can immediately send requests once outside of a reset. + */ public get canFetch(): boolean { return this._canFetch; } /** - * Allow or disallow fetching. The changes only take effect if not resetting. - * When called during a reset, its effect is deferred until the reset is finished. - * - * @param canFetch Whether fetching is enabled - */ + * Allow or disallow fetching. The changes only take effect if not resetting. + * When called during a reset, its effect is deferred until the reset is finished. + * + * @param canFetch Whether fetching is enabled + */ public set canFetch(canFetch: boolean) { this._canFetch = canFetch; @@ -59,9 +61,9 @@ export class FetchController { } /** - * Starts a reset, causing all ongoing and future fetches to be rejected - * with a SyncResetError until finishReset is called. - */ + * Starts a reset, causing all ongoing and future fetches to be rejected + * with a SyncResetError until finishReset is called. + */ public startReset(): void { this.isResetting = true; this.rejectUntil(new SyncResetError()); @@ -72,32 +74,42 @@ export class FetchController { } /** - * Finishes a reset, allowing fetches to proceed or wait again depending on - * the current sync settings. - */ + * Finishes a reset, allowing fetches to proceed or wait again depending on + * the current sync settings. + */ public finishReset(): void { if (!this.isResetting) { return; } this.isResetting = false; - [this.until, this.resolveUntil, this.rejectUntil] = createPromise(); + // Capture the old resolve before creating a fresh promise, then + // resolve the old one — exactly the same pattern the canFetch + // setter uses. This wakes up any fetches that entered the + // while-loop between startReset and finishReset so they re-check + // the condition. Without this, a canFetch change that occurred + // during the reset (setter skips resolution while isResetting is + // true) would leave fetches blocking on an unresolved promise. + const previousResolve = this.resolveUntil; + [this.until, this.resolveUntil, this.rejectUntil] = + createPromise(); + previousResolve(FetchController.UNTIL_RESOLUTION); } /** - * - * |------------------|---------------|-----------------------------------------------------| - * | | Sync enabled | Sync disabled | - * |------------------|-------------- |-----------------------------------------------------| - * | During reset | Rejects with SyncResetError without sending request | - * |------------------|-------------- |-----------------------------------------------------| - * | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch | - * |------------------|---------------|-----------------------------------------------------| - * - * @param logger for errors - * @param fetch to wrap - * @returns a wrapped fetch implementation affected by the FetchController state - */ + * + * |------------------|---------------|-----------------------------------------------------| + * | | Sync enabled | Sync disabled | + * |------------------|-------------- |-----------------------------------------------------| + * | During reset | Rejects with SyncResetError without sending request | + * |------------------|-------------- |-----------------------------------------------------| + * | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch | + * |------------------|---------------|-----------------------------------------------------| + * + * @param logger for errors + * @param fetch to wrap + * @returns a wrapped fetch implementation affected by the FetchController state + */ public getControlledFetchImplementation( logger: Logger, fetch: typeof globalThis.fetch = globalThis.fetch @@ -117,7 +129,17 @@ export class FetchController { ? input.clone() : input; - const fetchPromise = fetch(_input, init); + const combinedSignal = init?.signal + ? AbortSignal.any([ + AbortSignal.timeout(HTTP_REQUEST_TIMEOUT_MS), + init.signal + ]) + : AbortSignal.timeout(HTTP_REQUEST_TIMEOUT_MS); + + const fetchPromise = fetch(_input, { + ...init, + signal: combinedSignal + }); // We only want to catch rejections from `this.until` let result: symbol | Response | undefined = undefined; diff --git a/frontend/sync-client/src/services/server-config.ts b/frontend/sync-client/src/services/server-config.ts index 309c637c..da804b2f 100644 --- a/frontend/sync-client/src/services/server-config.ts +++ b/frontend/sync-client/src/services/server-config.ts @@ -1,6 +1,6 @@ import { SUPPORTED_API_VERSION } from "../consts"; -import { AuthenticationError } from "./authentication-error"; -import { ServerVersionMismatchError } from "./server-version-mismatch-error"; +import { AuthenticationError } from "../errors/authentication-error"; +import { ServerVersionMismatchError } from "../errors/server-version-mismatch-error"; import type { SyncService } from "./sync-service"; import type { PingResponse } from "./types/PingResponse"; @@ -34,11 +34,6 @@ export class ServerConfig { } } - // warm the cache - public async initialize(): Promise { - await this.getConfig(); - } - public async checkConnection(forceUpdate = false): Promise<{ isSuccessful: boolean; message: string; diff --git a/frontend/sync-client/src/services/sync-service.ts b/frontend/sync-client/src/services/sync-service.ts index 8190a638..ea2efc43 100644 --- a/frontend/sync-client/src/services/sync-service.ts +++ b/frontend/sync-client/src/services/sync-service.ts @@ -8,7 +8,8 @@ import type { Logger } from "../tracing/logger"; import type { Settings } from "../persistence/settings"; import type { FetchController } from "./fetch-controller"; import { sleep } from "../utils/sleep"; -import { SyncResetError } from "./sync-reset-error"; +import { SyncResetError } from "../errors/sync-reset-error"; +import { HttpClientError } from "../errors/http-client-error"; import type { SerializedError } from "./types/SerializedError"; import type { DocumentVersionWithoutContent } from "./types/DocumentVersionWithoutContent"; import type { DocumentUpdateResponse } from "./types/DocumentUpdateResponse"; @@ -48,13 +49,44 @@ export class SyncService { .get("Content-Type") ?.includes("application/json") == true ) { - const result: SerializedError = - (await response.json()) as SerializedError; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion - return SyncService.formatError(result); + try { + const result: SerializedError = + (await response.json()) as SerializedError; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + return SyncService.formatError(result); + } catch { + return `HTTP ${response.status}: ${response.statusText} (failed to parse error response body)`; + } } return `HTTP ${response.status}: ${response.statusText}`; } + /** + * Safely parse JSON from a response body. If parsing fails (e.g., malformed + * JSON from the server), throws an HttpClientError with status 0 so that + * retryForever does not retry indefinitely. + */ + private static async parseJsonResponse( + response: Response + ): Promise { + try { + return (await response.json()) as T; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + } catch (error) { + // Timeout and abort errors are transient — let them propagate + // so retryForever can retry. Only wrap genuine parse failures + // (malformed JSON) as HttpClientError to prevent infinite retries. + if ( + error instanceof Error && + (error.name === "TimeoutError" || error.name === "AbortError") + ) { + throw error; + } + throw new HttpClientError( + 0, + `Failed to parse JSON response: ${error}` + ); + } + } + private static formatError(error: SerializedError): string { let result = error.message; if (error.causes.length > 0) { @@ -65,28 +97,41 @@ export class SyncService { return result; } + private static async throwHttpError( + response: Response, + context: string + ): Promise { + const message = `${context}: ${await SyncService.errorFromResponse(response)}`; + if (response.status >= 400 && response.status < 500) { + throw new HttpClientError(response.status, message); + } + throw new Error(message); + } + public async create({ - documentId, relativePath, - contentBytes + contentBytes, + idempotencyKey }: { - documentId?: DocumentId; relativePath: RelativePath; contentBytes: Uint8Array; - }): Promise { + idempotencyKey?: string; + }): Promise { return this.retryForever(async () => { const formData = new FormData(); - if (documentId !== undefined) { - formData.append("document_id", documentId); - } + formData.append("relative_path", relativePath); formData.append( "content", new Blob([new Uint8Array(contentBytes)]) ); + if (idempotencyKey !== undefined) { + formData.append("idempotency_key", idempotencyKey); + } + this.logger.debug( - `Creating document with id ${documentId} and relative path ${relativePath}` + `Creating document with relative path ${relativePath}` ); const response = await this.client(this.getUrl("/documents"), { @@ -96,15 +141,16 @@ export class SyncService { }); if (!response.ok) { - throw new Error( - `Failed to create document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to create document" ); } - const result: DocumentVersionWithoutContent = - (await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + const result: DocumentUpdateResponse = + await SyncService.parseJsonResponse( + response + ); this.logger.debug(`Created document ${JSON.stringify(result)}`); @@ -144,19 +190,19 @@ export class SyncService { ); if (!response.ok) { - throw new Error( - `Failed to update document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to update document" ); } const result: DocumentUpdateResponse = - (await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + await SyncService.parseJsonResponse( + response + ); this.logger.debug( - `Updated document ${JSON.stringify(result)} with id ${ - result.documentId + `Updated document ${JSON.stringify(result)} with id ${result.documentId }}` ); @@ -197,19 +243,19 @@ export class SyncService { ); if (!response.ok) { - throw new Error( - `Failed to update document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to update document" ); } const result: DocumentUpdateResponse = - (await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + await SyncService.parseJsonResponse( + response + ); this.logger.debug( - `Updated document ${JSON.stringify(result)} with id ${ - result.documentId + `Updated document ${JSON.stringify(result)} with id ${result.documentId }}` ); @@ -225,9 +271,7 @@ export class SyncService { relativePath: RelativePath; }): Promise { return this.retryForever(async () => { - const request: DeleteDocumentVersion = { - relativePath - }; + const request: DeleteDocumentVersion = {}; this.logger.debug( `Delete document with id ${documentId} and relative path ${relativePath}` @@ -243,15 +287,16 @@ export class SyncService { ); if (!response.ok) { - throw new Error( - `Failed to delete document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to delete document" ); } const result: DocumentVersionWithoutContent = - (await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + await SyncService.parseJsonResponse( + response + ); this.logger.debug( `Deleted document ${relativePath} with id ${documentId}` @@ -277,15 +322,16 @@ export class SyncService { ); if (!response.ok) { - throw new Error( - `Failed to get document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to get document" ); } const result: DocumentVersion = - (await response.json()) as DocumentVersion; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + await SyncService.parseJsonResponse( + response + ); this.logger.debug(`Got document ${JSON.stringify(result)}`); @@ -315,10 +361,9 @@ export class SyncService { ); if (!response.ok) { - throw new Error( - `Failed to get document: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to get document" ); } @@ -336,7 +381,7 @@ export class SyncService { return this.retryForever(async () => { this.logger.debug( "Getting all documents" + - (since != null ? ` since ${since}` : "") + (since != null ? ` since ${since}` : "") ); const url = new URL(this.getUrl("/documents")); @@ -348,15 +393,16 @@ export class SyncService { }); if (!response.ok) { - throw new Error( - `Failed to get documents: ${await SyncService.errorFromResponse( - response - )}` + await SyncService.throwHttpError( + response, + "Failed to get documents" ); } const result: FetchLatestDocumentsResponse = - (await response.json()) as FetchLatestDocumentsResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + await SyncService.parseJsonResponse( + response + ); this.logger.debug( `Got ${result.latestDocuments.length} document metadata` @@ -366,6 +412,47 @@ export class SyncService { }); } + public async resolveIdempotencyKeys( + keys: string[] + ): Promise> { + this.logger.debug( + `Resolving ${keys.length} idempotency keys` + ); + + return this.retryForever(async () => { + const response = await this.client( + this.getUrl("/documents/resolve-keys"), + { + method: "POST", + body: JSON.stringify({ idempotencyKeys: keys }), + headers: this.getDefaultHeaders({ type: "json" }) + } + ); + + if (!response.ok) { + await SyncService.throwHttpError( + response, + "Failed to resolve idempotency keys" + ); + } + + const result = + await SyncService.parseJsonResponse<{ + resolved: Record; + }>(response); + + const resolved = new Map( + Object.entries(result.resolved) + ); + + this.logger.debug( + `Resolved ${resolved.size}/${keys.length} idempotency keys` + ); + + return resolved; + }); + } + public async ping(): Promise { this.logger.debug("Pinging server"); const response = await this.pingClient(this.getUrl("/ping"), { @@ -380,7 +467,8 @@ export class SyncService { ); } - const result: PingResponse = (await response.json()) as PingResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion + const result: PingResponse = + await SyncService.parseJsonResponse(response); this.logger.debug( `Pinged server, got response: ${JSON.stringify(result)}` @@ -412,6 +500,7 @@ export class SyncService { } private async retryForever(fn: () => Promise): Promise { + let attempt = 0; // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition while (true) { try { @@ -422,12 +511,25 @@ export class SyncService { throw e; } - const retryInterval = + // Don't retry 4xx client errors — the request itself is wrong + // and retrying won't help + if (e instanceof HttpClientError) { + throw e; + } + + attempt++; + const baseDelay = this.settings.getSettings().networkRetryIntervalMs; - this.logger.error( - `Failed network call (${e}), retrying in ${retryInterval}ms` + const exponentialDelay = Math.min( + baseDelay * Math.pow(2, Math.min(attempt - 1, 5)), + 30000 ); - await sleep(retryInterval); + const jitter = Math.random() * exponentialDelay * 0.5; + const delay = exponentialDelay + jitter; + this.logger.error( + `Failed network call (${e}), retrying in ${Math.round(delay)}ms (attempt ${attempt})` + ); + await sleep(delay); } } } diff --git a/frontend/sync-client/src/services/types/ClientCursors.ts b/frontend/sync-client/src/services/types/ClientCursors.ts index e8c9b93d..5b1ec040 100644 --- a/frontend/sync-client/src/services/types/ClientCursors.ts +++ b/frontend/sync-client/src/services/types/ClientCursors.ts @@ -1,8 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface ClientCursors { - userName: string; - deviceId: string; - documentsWithCursors: DocumentWithCursors[]; -} +export interface ClientCursors { userName: string, deviceId: string, documentsWithCursors: DocumentWithCursors[], } diff --git a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts index ed921f18..d4ed2831 100644 --- a/frontend/sync-client/src/services/types/CreateDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/CreateDocumentVersion.ts @@ -1,13 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CreateDocumentVersion { - /** - * The client can decide the document id (if it wishes to) in order - * to help with syncing. If the client does not provide a document id, - * the server will generate one. If the client provides a document id - * it must not already exist in the database. - */ - document_id: string | null; - relative_path: string; - content: number[]; -} +export interface CreateDocumentVersion { relative_path: string, content: number[], } diff --git a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts index ee937f4e..78823b5d 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromClient.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromClient.ts @@ -1,6 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentWithCursors } from "./DocumentWithCursors"; -export interface CursorPositionFromClient { - documentsWithCursors: DocumentWithCursors[]; -} +export interface CursorPositionFromClient { documentsWithCursors: DocumentWithCursors[], } diff --git a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts index 52a24f27..ed6ac7b2 100644 --- a/frontend/sync-client/src/services/types/CursorPositionFromServer.ts +++ b/frontend/sync-client/src/services/types/CursorPositionFromServer.ts @@ -1,6 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { ClientCursors } from "./ClientCursors"; -export interface CursorPositionFromServer { - clients: ClientCursors[]; -} +export interface CursorPositionFromServer { clients: ClientCursors[], } diff --git a/frontend/sync-client/src/services/types/CursorSpan.ts b/frontend/sync-client/src/services/types/CursorSpan.ts index 2cc2b7fc..7424067c 100644 --- a/frontend/sync-client/src/services/types/CursorSpan.ts +++ b/frontend/sync-client/src/services/types/CursorSpan.ts @@ -1,6 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface CursorSpan { - start: number; - end: number; -} +export interface CursorSpan { start: number, end: number, } diff --git a/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts b/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts index 99ecc9e7..f160406f 100644 --- a/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/DeleteDocumentVersion.ts @@ -1,5 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DeleteDocumentVersion { - relativePath: string; -} +export type DeleteDocumentVersion = Record; diff --git a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts index 7fd06c7a..418117e6 100644 --- a/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts +++ b/frontend/sync-client/src/services/types/DocumentUpdateResponse.ts @@ -5,6 +5,4 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to an update document request. */ -export type DocumentUpdateResponse = - | ({ type: "FastForwardUpdate" } & DocumentVersionWithoutContent) - | ({ type: "MergingUpdate" } & DocumentVersion); +export type DocumentUpdateResponse = { "type": "FastForwardUpdate" } & DocumentVersionWithoutContent | { "type": "MergingUpdate" } & DocumentVersion; diff --git a/frontend/sync-client/src/services/types/DocumentVersion.ts b/frontend/sync-client/src/services/types/DocumentVersion.ts index 3b9aa37b..3d50ae65 100644 --- a/frontend/sync-client/src/services/types/DocumentVersion.ts +++ b/frontend/sync-client/src/services/types/DocumentVersion.ts @@ -1,12 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersion { - vaultUpdateId: number; - documentId: string; - relativePath: string; - updatedDate: string; - contentBase64: string; - isDeleted: boolean; - userId: string; - deviceId: string; -} +export interface DocumentVersion { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, contentBase64: string, isDeleted: boolean, userId: string, deviceId: string, } diff --git a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts index 4b24e7c5..af064db8 100644 --- a/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts +++ b/frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts @@ -1,12 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface DocumentVersionWithoutContent { - vaultUpdateId: number; - documentId: string; - relativePath: string; - updatedDate: string; - isDeleted: boolean; - userId: string; - deviceId: string; - contentSize: number; -} +export interface DocumentVersionWithoutContent { vaultUpdateId: number, documentId: string, relativePath: string, updatedDate: string, isDeleted: boolean, userId: string, deviceId: string, contentSize: number, } diff --git a/frontend/sync-client/src/services/types/DocumentWithCursors.ts b/frontend/sync-client/src/services/types/DocumentWithCursors.ts index dcfe6e2d..e7dad119 100644 --- a/frontend/sync-client/src/services/types/DocumentWithCursors.ts +++ b/frontend/sync-client/src/services/types/DocumentWithCursors.ts @@ -1,9 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { CursorSpan } from "./CursorSpan"; -export interface DocumentWithCursors { - vault_update_id: number | null; - document_id: string; - relative_path: string; - cursors: CursorSpan[]; -} +export interface DocumentWithCursors { vault_update_id: number | null, document_id: string, relative_path: string, cursors: CursorSpan[], } diff --git a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts index 160c9279..3be625bd 100644 --- a/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts +++ b/frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts @@ -4,10 +4,8 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont /** * Response to a fetch latest documents request. */ -export interface FetchLatestDocumentsResponse { - latestDocuments: DocumentVersionWithoutContent[]; - /** - * The update ID of the latest document in the response. - */ - lastUpdateId: bigint; -} +export interface FetchLatestDocumentsResponse { latestDocuments: DocumentVersionWithoutContent[], +/** + * The update ID of the latest document in the response. + */ +lastUpdateId: bigint, } diff --git a/frontend/sync-client/src/services/types/PingResponse.ts b/frontend/sync-client/src/services/types/PingResponse.ts index 6db66354..ba8ceb48 100644 --- a/frontend/sync-client/src/services/types/PingResponse.ts +++ b/frontend/sync-client/src/services/types/PingResponse.ts @@ -3,23 +3,22 @@ /** * Response to a ping request. */ -export interface PingResponse { - /** - * Semantic version of the server. - */ - serverVersion: string; - /** - * Whether the client is authenticated based on the sent Authorization - * header. - */ - isAuthenticated: boolean; - /** - * List of file extensions that are allowed to be merged. - */ - mergeableFileExtensions: string[]; - /** - * API version ensuring backwards & forwards compatibility between the client - * and server. - */ - supportedApiVersion: number; -} +export interface PingResponse { +/** + * Semantic version of the server. + */ +serverVersion: string, +/** + * Whether the client is authenticated based on the sent Authorization + * header. + */ +isAuthenticated: boolean, +/** + * List of file extensions that are allowed to be merged. + */ +mergeableFileExtensions: string[], +/** + * API version ensuring backwards & forwards compatibility between the client + * and server. + */ +supportedApiVersion: number, } diff --git a/frontend/sync-client/src/services/types/SerializedError.ts b/frontend/sync-client/src/services/types/SerializedError.ts index ec1c4503..4389289e 100644 --- a/frontend/sync-client/src/services/types/SerializedError.ts +++ b/frontend/sync-client/src/services/types/SerializedError.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface SerializedError { - errorType: string; - message: string; - causes: string[]; -} +export interface SerializedError { errorType: string, message: string, causes: string[], } diff --git a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts index 46f36bd0..aeb69f5a 100644 --- a/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts +++ b/frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface UpdateTextDocumentVersion { - parentVersionId: number; - relativePath: string; - content: (number | string)[]; -} +export interface UpdateTextDocumentVersion { parentVersionId: number, relativePath: string, content: (number | string)[], } diff --git a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts index 9608f3af..3dff01aa 100644 --- a/frontend/sync-client/src/services/types/WebSocketClientMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketClientMessage.ts @@ -2,6 +2,4 @@ import type { CursorPositionFromClient } from "./CursorPositionFromClient"; import type { WebSocketHandshake } from "./WebSocketHandshake"; -export type WebSocketClientMessage = - | ({ type: "handshake" } & WebSocketHandshake) - | ({ type: "cursorPositions" } & CursorPositionFromClient); +export type WebSocketClientMessage = { "type": "handshake" } & WebSocketHandshake | { "type": "cursorPositions" } & CursorPositionFromClient | { "type": "ping" }; diff --git a/frontend/sync-client/src/services/types/WebSocketHandshake.ts b/frontend/sync-client/src/services/types/WebSocketHandshake.ts index a2910f49..d25651f9 100644 --- a/frontend/sync-client/src/services/types/WebSocketHandshake.ts +++ b/frontend/sync-client/src/services/types/WebSocketHandshake.ts @@ -1,7 +1,3 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. -export interface WebSocketHandshake { - token: string; - deviceId: string; - lastSeenVaultUpdateId: number | null; -} +export interface WebSocketHandshake { token: string, deviceId: string, lastSeenVaultUpdateId: number | null, } diff --git a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts index fd250b7b..45e37358 100644 --- a/frontend/sync-client/src/services/types/WebSocketServerMessage.ts +++ b/frontend/sync-client/src/services/types/WebSocketServerMessage.ts @@ -2,6 +2,4 @@ import type { CursorPositionFromServer } from "./CursorPositionFromServer"; import type { WebSocketVaultUpdate } from "./WebSocketVaultUpdate"; -export type WebSocketServerMessage = - | ({ type: "vaultUpdate" } & WebSocketVaultUpdate) - | ({ type: "cursorPositions" } & CursorPositionFromServer); +export type WebSocketServerMessage = { "type": "vaultUpdate" } & WebSocketVaultUpdate | { "type": "cursorPositions" } & CursorPositionFromServer; diff --git a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts index f1ea0f80..39e03b6f 100644 --- a/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts +++ b/frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts @@ -1,7 +1,4 @@ // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually. import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent"; -export interface WebSocketVaultUpdate { - documents: DocumentVersionWithoutContent[]; - isInitialSync: boolean; -} +export interface WebSocketVaultUpdate { documents: DocumentVersionWithoutContent[], isInitialSync: boolean, } diff --git a/frontend/sync-client/src/services/websocket-manager.test.ts b/frontend/sync-client/src/services/websocket-manager.test.ts index fef901e7..3b61b5a1 100644 --- a/frontend/sync-client/src/services/websocket-manager.test.ts +++ b/frontend/sync-client/src/services/websocket-manager.test.ts @@ -4,8 +4,6 @@ import assert from "node:assert"; import { WebSocketManager } from "./websocket-manager"; import type { Logger } from "../tracing/logger"; import type { Settings } from "../persistence/settings"; -// eslint-disable-next-line @typescript-eslint/no-require-imports -const WebSocket = require("ws") as typeof globalThis.WebSocket; class MockCloseEvent extends Event { public code: number; @@ -91,10 +89,8 @@ function createMockFn unknown>( describe("WebSocketManager", () => { let mockLogger: Logger = undefined as unknown as Logger; let mockSettings: Settings = undefined as unknown as Settings; - let deviceId = "test-device-123"; beforeEach(() => { - deviceId = "test-device-123"; const noop = (): void => { // Intentionally empty for mock }; @@ -116,7 +112,6 @@ describe("WebSocketManager", () => { it("cleans up promises after message handling", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -146,7 +141,6 @@ describe("WebSocketManager", () => { it("cleans up cursor position promises", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -176,7 +170,6 @@ describe("WebSocketManager", () => { it("logs handshake send errors", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -205,7 +198,6 @@ describe("WebSocketManager", () => { it("completes stop with timeout protection", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -220,7 +212,6 @@ describe("WebSocketManager", () => { it("clears old handlers on reconnection", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket @@ -257,7 +248,6 @@ describe("WebSocketManager", () => { it("tracks message handling promises", async () => { const manager = new WebSocketManager( - deviceId, mockLogger, mockSettings, MockWebSocket as unknown as typeof WebSocket diff --git a/frontend/sync-client/src/services/websocket-manager.ts b/frontend/sync-client/src/services/websocket-manager.ts index 09787bce..d84620c2 100644 --- a/frontend/sync-client/src/services/websocket-manager.ts +++ b/frontend/sync-client/src/services/websocket-manager.ts @@ -6,7 +6,10 @@ import type { CursorPositionFromClient } from "./types/CursorPositionFromClient" import type { ClientCursors } from "./types/ClientCursors"; import { createPromise } from "../utils/create-promise"; import type { WebSocketVaultUpdate } from "./types/WebSocketVaultUpdate"; -import { WEBSOCKET_DISCONNECT_TIMEOUT_IN_S } from "../consts"; +import { + WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS, + WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS +} from "../consts"; import { removeFromArray } from "../utils/remove-from-array"; import { EventListeners } from "../utils/data-structures/event-listeners"; import { awaitAll } from "../utils/await-all"; @@ -27,32 +30,25 @@ export class WebSocketManager { private isStopped = true; private resolveDisconnectingPromise: null | (() => unknown) = null; private reconnectTimeoutId: ReturnType | undefined; + private connectionTimeoutId: ReturnType | undefined; private readonly outstandingPromises: Promise[] = []; + /** + * Chains WebSocket message processing so only one message is handled + * at a time. Without this, a burst of messages would create many + * concurrent sync operations (each calling scheduleSyncForOfflineChanges + * and processing documents in parallel). + */ + private messageProcessingChain: Promise = Promise.resolve(); + private webSocket: WebSocket | undefined; - private readonly webSocketFactoryImplementation: typeof globalThis.WebSocket; public constructor( - private readonly deviceId: string, private readonly logger: Logger, private readonly settings: Settings, - webSocketImplementation?: typeof globalThis.WebSocket - ) { - if (webSocketImplementation) { - this.webSocketFactoryImplementation = webSocketImplementation; - } else { - if ( - typeof globalThis !== "undefined" && - typeof globalThis.WebSocket === "undefined" - ) { - // eslint-disable-next-line - this.webSocketFactoryImplementation = require("ws"); // polyfill for WebSocket in Node.js - } else { - this.webSocketFactoryImplementation = WebSocket; - } - } - } + private readonly webSocketFactoryImplementation: typeof globalThis.WebSocket = WebSocket + ) {} public get isWebSocketConnected(): boolean { return ( @@ -77,6 +73,11 @@ export class WebSocketManager { this.reconnectTimeoutId = undefined; } + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + this.webSocket?.close(1000, "WebSocketManager has been stopped"); // eslint-disable-next-line @typescript-eslint/init-declarations @@ -85,10 +86,10 @@ export class WebSocketManager { timeoutId = setTimeout(() => { reject( new Error( - `Timeout waiting for WebSocket to close after ${WEBSOCKET_DISCONNECT_TIMEOUT_IN_S} seconds` + `Timeout waiting for WebSocket to close after ${WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS} seconds` ) ); - }, WEBSOCKET_DISCONNECT_TIMEOUT_IN_S * 1000); + }, WEBSOCKET_DISCONNECT_TIMEOUT_IN_SECONDS * 1000); }); try { @@ -109,6 +110,11 @@ export class WebSocketManager { } } + // Wait for any already-enqueued message handlers to finish. + // The isStopped guard in onmessage prevents NEW messages from + // being enqueued, but handlers that were chained before stop() + // set the flag may still be in flight. + await this.messageProcessingChain; await this.waitUntilFinished(); } @@ -116,6 +122,10 @@ export class WebSocketManager { await awaitAll(this.outstandingPromises); } + public hasOutstandingWork(): boolean { + return this.outstandingPromises.length > 0; + } + public sendHandshakeMessage( message: WebSocketClientMessage & { type: "handshake" } ): void { @@ -171,7 +181,10 @@ export class WebSocketManager { this.webSocket.onclose = null; this.webSocket.onmessage = null; this.webSocket.onerror = null; - this.webSocket.close(); + this.webSocket.close( + 1000, + "Closing previous WebSocket connection" + ); } catch (e) { this.logger.error( `Failed to close previous WebSocket connection: ${e}` @@ -187,7 +200,22 @@ export class WebSocketManager { this.webSocket = new this.webSocketFactoryImplementation(wsUri); + // Set connection timeout to handle cases where server is down and the WebSocket connection won't open + this.connectionTimeoutId = setTimeout(() => { + this.connectionTimeoutId = undefined; + this.logger.warn( + `WebSocket connection timeout after ${WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS} seconds` + ); + // Force close to trigger onclose handler which will schedule reconnection + this.webSocket?.close(1000, "Connection timeout"); + }, WEBSOCKET_CONNECTION_TIMEOUT_IN_SECONDS * 1000); + this.webSocket.onopen = (): void => { + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + // Check if we've been stopped while connecting if (this.isStopped) { this.webSocket?.close( @@ -201,29 +229,75 @@ export class WebSocketManager { }; this.webSocket.onmessage = (event): void => { + // Discard messages received after stop() has been called. + // Without this guard, messages arriving between close() + // and the onclose event would be enqueued into + // messageProcessingChain and execute after stop() returns. + if (this.isStopped) { + return; + } + try { // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion const message = JSON.parse( event.data ) as WebSocketServerMessage; - // Track the message handling promise - const messageHandlingPromise = this.handleWebSocketMessage( - message - ) + // Cursor updates are pure reads (update an in-memory map) — + // handle immediately without blocking behind vault update + // processing. This avoids cursor latency during large syncs. + if (message.type === "cursorPositions") { + this.logger.debug( + `Received cursor positions for ${JSON.stringify(message.clients)}` + ); + const cursorPromise = + this.onRemoteCursorsUpdateReceived + .triggerAsync(message.clients) + .catch((error: unknown) => { + this.logger.error( + `Error handling cursor update: ${String(error)}` + ); + }); + // Track for waitUntilFinished / hasOutstandingWork + this.outstandingPromises.push(cursorPromise); + void cursorPromise.finally(() => { + removeFromArray( + this.outstandingPromises, + cursorPromise + ); + }); + return; + } + + // Vault updates require serialization: each waits for the + // previous one to finish. This provides back-pressure so a + // burst of WebSocket messages doesn't create unbounded + // concurrent sync operations. + // + // Read-reassign safety: we read messageProcessingChain, + // chain a .then() onto it, and assign the resulting promise + // back. This is safe because JavaScript is single-threaded: + // no other code can run between the read and the assignment. + // The next onmessage invocation will see the updated chain + // and append after this handler, preserving FIFO order. + this.messageProcessingChain = this.messageProcessingChain + .then(async () => this.handleWebSocketMessage(message)) .catch((error: unknown) => { this.logger.error( `Error handling WebSocket message: ${String(error)}` ); - }) - .finally(() => { - removeFromArray( - this.outstandingPromises, - messageHandlingPromise - ); }); - void this.outstandingPromises.push(messageHandlingPromise); // ignore the returned promise + const messageHandlingPromise = this.messageProcessingChain; + + // Track the promise for waitUntilFinished / hasOutstandingWork + this.outstandingPromises.push(messageHandlingPromise); + void messageHandlingPromise.finally(() => { + removeFromArray( + this.outstandingPromises, + messageHandlingPromise + ); + }); } catch (error) { this.logger.error( `Error parsing WebSocket message: ${String(error)}` @@ -231,7 +305,18 @@ export class WebSocketManager { } }; + this.webSocket.onerror = (error): void => { + this.logger.warn( + `WebSocket error occurred: ${error instanceof ErrorEvent ? error.message : "Unknown error"}` + ); + }; + this.webSocket.onclose = (event): void => { + if (this.connectionTimeoutId !== undefined) { + clearTimeout(this.connectionTimeoutId); + this.connectionTimeoutId = undefined; + } + this.logger.warn( `WebSocket closed with code ${event.code} (${event.reason == "" ? "unknown reason" : event.reason})` ); @@ -241,10 +326,13 @@ export class WebSocketManager { this.resolveDisconnectingPromise?.(); this.resolveDisconnectingPromise = null; } else { + const delay = + this.settings.getSettings().webSocketRetryIntervalMs; + this.logger.info(`Reconnecting to WebSocket in ${delay}ms...`); this.reconnectTimeoutId = setTimeout(() => { this.reconnectTimeoutId = undefined; this.initializeWebSocket(); - }, this.settings.getSettings().webSocketRetryIntervalMs); + }, delay); } }; } @@ -254,17 +342,8 @@ export class WebSocketManager { ): Promise { if (message.type === "vaultUpdate") { await this.onRemoteVaultUpdateReceived.triggerAsync(message); - - // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition - } else if (message.type === "cursorPositions") { - this.logger.debug( - `Received cursor positions for ${JSON.stringify(message.clients)}` - ); - - await this.onRemoteCursorsUpdateReceived.triggerAsync( - message.clients - ); } else { + // Cursor messages are handled inline in onmessage (not chained) this.logger.warn( `Received unknown message type: ${JSON.stringify(message)}` ); diff --git a/frontend/sync-client/src/sync-client.ts b/frontend/sync-client/src/sync-client.ts index 2a272c86..80235846 100644 --- a/frontend/sync-client/src/sync-client.ts +++ b/frontend/sync-client/src/sync-client.ts @@ -3,7 +3,6 @@ import type { HistoryEntry, HistoryStats } from "./tracing/sync-history"; import { SyncHistory } from "./tracing/sync-history"; import { Logger, LogLevel, LogLine } from "./tracing/logger"; import type { RelativePath, StoredDatabase } from "./persistence/database"; -import { Database } from "./persistence/database"; import * as Sentry from "@sentry/browser"; import type { SyncSettings } from "./persistence/settings"; import { DEFAULT_SETTINGS, Settings } from "./persistence/settings"; @@ -12,24 +11,24 @@ import { Syncer } from "./sync-operations/syncer"; import type { FileSystemOperations } from "./file-operations/filesystem-operations"; import { FileOperations } from "./file-operations/file-operations"; import { FetchController } from "./services/fetch-controller"; -import { UnrestrictedSyncer } from "./sync-operations/unrestricted-syncer"; +import { VirtualFilesystem } from "./persistence/vfs"; +import type { SyncDeps } from "./sync-operations/sync-actions"; import { rateLimit } from "./utils/rate-limit"; import type { NetworkConnectionStatus } from "./types/network-connection-status"; import { DocumentSyncStatus } from "./types/document-sync-status"; import { WebSocketManager } from "./services/websocket-manager"; import { createClientId } from "./utils/create-client-id"; +import { SyncResetError } from "./errors/sync-reset-error"; import { CursorTracker } from "./sync-operations/cursor-tracker"; import type { CursorSpan } from "./services/types/CursorSpan"; import type { MaybeOutdatedClientCursors } from "./types/maybe-outdated-client-cursors"; import { FileChangeNotifier } from "./sync-operations/file-change-notifier"; import { FixedSizeDocumentCache } from "./utils/data-structures/fix-sized-cache"; import { setUpTelemetry } from "./utils/set-up-telemetry"; -import { DIFF_CACHE_SIZE_MB } from "./consts"; import { ServerConfig } from "./services/server-config"; import type { EventListeners } from "./utils/data-structures/event-listeners"; export class SyncClient { - private hasStartedOfflineSync = false; private hasFinishedOfflineSync = false; private hasStarted = false; private hasBeenDestroyed = false; @@ -38,12 +37,12 @@ export class SyncClient { private readonly eventUnsubscribers: (() => void)[] = []; private constructor( + public readonly logger: Logger, private readonly history: SyncHistory, private readonly settings: Settings, - private readonly database: Database, + private readonly vfs: VirtualFilesystem, private readonly syncer: Syncer, private readonly webSocketManager: WebSocketManager, - public readonly logger: Logger, private readonly fetchController: FetchController, private readonly cursorTracker: CursorTracker, private readonly fileChangeNotifier: FileChangeNotifier, @@ -56,10 +55,10 @@ export class SyncClient { database: Partial; }> > - ) {} + ) { } public get documentCount(): number { - return this.database.length; + return this.vfs.length; } public get isWebSocketConnected(): boolean { @@ -148,7 +147,7 @@ export class SyncClient { () => settings.getSettings().minimumSaveIntervalMs ); - const database = new Database( + const vfs = new VirtualFilesystem( logger, state.database, async (data): Promise => { @@ -174,28 +173,28 @@ export class SyncClient { const fileOperations = new FileOperations( logger, - database, + vfs, fs, serverConfig, nativeLineEndings ); const contentCache = new FixedSizeDocumentCache( - 1024 * 1024 * DIFF_CACHE_SIZE_MB - ); - const unrestrictedSyncer = new UnrestrictedSyncer( - logger, - database, - settings, - syncService, - fileOperations, - history, - contentCache, - serverConfig + 1024 * 1024 * settings.getSettings().diffCacheSizeMB ); + const syncDeps: SyncDeps = { + logger, + vfs, + syncService, + operations: fileOperations, + history, + contentCache, + serverConfig, + settings + }; + const webSocketManager = new WebSocketManager( - deviceId, logger, settings, webSocket @@ -204,28 +203,28 @@ export class SyncClient { const syncer = new Syncer( deviceId, logger, - database, + vfs, settings, - syncService, webSocketManager, fileOperations, - unrestrictedSyncer + syncDeps ); const fileChangeNotifier = new FileChangeNotifier(); const cursorTracker = new CursorTracker( - database, + logger, + vfs, webSocketManager, fileOperations, fileChangeNotifier ); const client = new SyncClient( + logger, history, settings, - database, + vfs, syncer, webSocketManager, - logger, fetchController, cursorTracker, fileChangeNotifier, @@ -285,10 +284,10 @@ export class SyncClient { } /** - * Reload settings from disk overriding current in-memory settings. - * Missing values will be filled in from DEFAULT_SETTINGS rather than - * retaining current in-memory settings. - */ + * Reload settings from disk overriding current in-memory settings. + * Missing values will be filled in from DEFAULT_SETTINGS rather than + * retaining current in-memory settings. + */ public async reloadSettings(): Promise { this.checkIfDestroyed("reloadSettings"); @@ -320,10 +319,10 @@ export class SyncClient { } /** - * Wait for the in-flight operations to finish, reset all tracking, - * and the local database but retain the settings. - * The SyncClient can be used again after calling this method. - */ + * Wait for the in-flight operations to finish, reset all tracking, + * and the local database but retain the settings. + * The SyncClient can be used again after calling this method. + */ public async reset(): Promise { this.checkIfDestroyed("reset"); @@ -334,14 +333,15 @@ export class SyncClient { // clear all local state this.logger.info("Resetting SyncClient's local state"); - this.database.reset(); - await this.database.save(); // ensure the new database reads as empty + this.vfs.reset(); + await this.vfs.save(); // ensure the new database reads as empty this.resetInMemoryState(); - this.hasStartedOfflineSync = false; this.hasFinishedOfflineSync = false; this.serverConfig.reset(); - await this.startSyncing(); + if (this.settings.getSettings().isSyncEnabled) { + await this.startSyncing(); + } } public getSettings(): SyncSettings { @@ -410,12 +410,7 @@ export class SyncClient { return DocumentSyncStatus.SYNCING; } - const document = - this.database.getLatestDocumentByRelativePath(relativePath); - if (document === undefined) { - return DocumentSyncStatus.SYNCING; - } - return document.updates.length > 0 + return this.syncer.hasPendingOperationsForDocument(relativePath) ? DocumentSyncStatus.SYNCING : DocumentSyncStatus.UP_TO_DATE; } @@ -430,15 +425,48 @@ export class SyncClient { public async waitUntilFinished(): Promise { this.checkIfDestroyed("waitUntilIdle"); - await this.syncer.waitUntilFinished(); - await this.webSocketManager.waitUntilFinished(); - await this.database.save(); // flush all changes to disk + // Loop until both sync queue and WebSocket handlers are + // simultaneously idle. WS handlers can enqueue new sync + // operations, and completed sync operations can trigger + // broadcasts that create new WS handler promises. + let iteration = 0; + while (true) { + iteration++; + this.logger.info(`waitUntilFinished: iteration ${iteration}`); + await this.syncer.waitUntilFinished(); + await this.webSocketManager.waitUntilFinished(); + // Check if anything new arrived while we were waiting + if ( + !this.webSocketManager.hasOutstandingWork() && + !this.syncer.hasOutstandingWork() + ) { + break; + } + } + + // Run a final filesystem scan to catch any operations that were + // silently dropped (e.g., due to mutable document references + // pointing to a moved path after concurrent renames). + await this.syncer.runFinalConsistencyCheck(); + // Wait for any work produced by the final scan + while (true) { + await this.syncer.waitUntilFinished(); + await this.webSocketManager.waitUntilFinished(); + if ( + !this.webSocketManager.hasOutstandingWork() && + !this.syncer.hasOutstandingWork() + ) { + break; + } + } + + await this.vfs.save(); // flush all changes to disk } /** - * Completely destroy the SyncClient, cancelling all in-progress operations. - * After calling this method, the SyncClient cannot be used again. - */ + * Completely destroy the SyncClient, cancelling all in-progress operations. + * After calling this method, the SyncClient cannot be used again. + */ public async destroy(): Promise { this.checkIfDestroyed("destroy"); @@ -459,6 +487,8 @@ export class SyncClient { this.resetInMemoryState(); // Clean up event listeners to prevent memory leaks + this.syncer.destroy(); + this.cursorTracker.destroy(); this.eventUnsubscribers.forEach((unsubscribe) => { unsubscribe(); }); @@ -473,21 +503,42 @@ export class SyncClient { this.checkIfDestroyed("startSyncing"); this.fetchController.finishReset(); - await this.serverConfig.initialize(); - this.webSocketManager.start(); + // warm the cache + await this.serverConfig.getConfig(); - if (!this.hasStartedOfflineSync) { - this.hasStartedOfflineSync = true; - await this.syncer.scheduleSyncForOfflineChanges(); - } + await this.syncer.scheduleSyncForOfflineChanges(); + this.webSocketManager.start(); this.hasFinishedOfflineSync = true; } + /** + * Pause syncing: aborts all in-flight HTTP operations via FetchController + * reset, stops the WebSocket, and waits for the sync queue to drain. + * + * Used by both destroy/reset (connection settings changed) and when the + * user toggles sync off. In both cases, `fetchController.startReset()` is + * needed because the settings-change listener may have already set + * `canFetch = false`, which would cause controlled fetches to block + * indefinitely. The WebSocket close handler triggers `syncer.reset()` + * automatically via the `onWebSocketStatusChanged` listener, so an + * explicit `syncer.reset()` call is not needed here. + */ private async pause(): Promise { + this.hasFinishedOfflineSync = false; this.fetchController.startReset(); - await this.webSocketManager.stop(); - await this.waitUntilFinished(); + try { + await this.webSocketManager.stop(); + await this.waitUntilFinished(); + } catch (e) { + // SyncResetError is expected here — we just called startReset() + // which rejects in-flight fetches. Only re-throw non-reset errors. + if (!(e instanceof SyncResetError)) { + throw e; + } + } finally { + this.fetchController.finishReset(); + } } private resetInMemoryState(): void { diff --git a/frontend/sync-client/src/sync-operations/cursor-tracker.ts b/frontend/sync-client/src/sync-operations/cursor-tracker.ts index bdd7d9b7..9053955b 100644 --- a/frontend/sync-client/src/sync-operations/cursor-tracker.ts +++ b/frontend/sync-client/src/sync-operations/cursor-tracker.ts @@ -1,5 +1,6 @@ import type { FileOperations } from "../file-operations/file-operations"; -import type { Database, RelativePath } from "../persistence/database"; +import type { RelativePath } from "../persistence/database"; +import type { VirtualFilesystem } from "../persistence/vfs"; import type { ClientCursors } from "../services/types/ClientCursors"; import type { CursorSpan } from "../services/types/CursorSpan"; import type { DocumentWithCursors } from "../services/types/DocumentWithCursors"; @@ -10,6 +11,7 @@ import { hash } from "../utils/hash"; import type { FileChangeNotifier } from "./file-change-notifier"; import { Lock } from "../utils/data-structures/locks"; import { EventListeners } from "../utils/data-structures/event-listeners"; +import type { Logger } from "../tracing/logger"; // Cursor positions are updated separately from documents. However, a given cursor position is only // valid within a certain version of the document it belongs to. This class tracks previous and the latest @@ -22,7 +24,8 @@ export class CursorTracker { (cursors: MaybeOutdatedClientCursors[]) => unknown >(); - private readonly updateLock = new Lock(); + private readonly updateLock: Lock; + private readonly eventUnsubscribers: (() => void)[] = []; private knownRemoteCursors: (ClientCursors & { upToDateness: DocumentUpToDateness; @@ -33,59 +36,69 @@ export class CursorTracker { []; public constructor( - private readonly database: Database, + private readonly logger: Logger, + private readonly vfs: VirtualFilesystem, private readonly webSocketManager: WebSocketManager, private readonly fileOperations: FileOperations, private readonly fileChangeNotifier: FileChangeNotifier ) { - this.webSocketManager.onRemoteCursorsUpdateReceived.add( - async (clientCursors) => { - await this.updateLock.withLock(async () => { - // The latest message will contain all active clients, so we can delete the ones - // from the local list which are no longer active. - const allIds = new Set( - clientCursors.map((c) => c.deviceId) - ); - const updatedKnownRemoteCursors = - this.knownRemoteCursors.filter((c) => - allIds.has(c.deviceId) + this.updateLock = new Lock(CursorTracker.name, logger); + + this.eventUnsubscribers.push( + this.webSocketManager.onRemoteCursorsUpdateReceived.add( + async (clientCursors) => { + await this.updateLock.withLock(async () => { + // The latest message will contain all active clients, so we can delete the ones + // from the local list which are no longer active. + const allIds = new Set( + clientCursors.map((c) => c.deviceId) ); + const updatedKnownRemoteCursors = + this.knownRemoteCursors.filter((c) => + allIds.has(c.deviceId) + ); - for (const cursor of clientCursors.filter((client) => - client.documentsWithCursors.every( - (doc) => doc.vault_update_id != null - ) - )) { - updatedKnownRemoteCursors.push({ - ...cursor, - upToDateness: - await this.getDocumentsUpToDateness(cursor) - }); - } + for (const cursor of clientCursors.filter((client) => + client.documentsWithCursors.every( + (doc) => doc.vault_update_id != null + ) + )) { + updatedKnownRemoteCursors.push({ + ...cursor, + upToDateness: + await this.getDocumentsUpToDateness(cursor) + }); + } - this.knownRemoteCursors = updatedKnownRemoteCursors; - }); + this.knownRemoteCursors = updatedKnownRemoteCursors; + }); - this.onRemoteCursorsUpdated.trigger( - this.getRelevantAndPruneKnownClientCursors() - ); - } + this.onRemoteCursorsUpdated.trigger( + this.getRelevantAndPruneKnownClientCursors() + ); + } + ) ); - this.fileChangeNotifier.onFileChanged.add(async (relativePath) => - this.updateLock.withLock(async () => { - for (const clientCursor of this.knownRemoteCursors) { - if ( - clientCursor.documentsWithCursors.some( - (document) => - document.relative_path === relativePath - ) - ) { - clientCursor.upToDateness = - await this.getDocumentsUpToDateness(clientCursor); - } - } - }) + this.eventUnsubscribers.push( + this.fileChangeNotifier.onFileChanged.add( + async (relativePath) => + this.updateLock.withLock(async () => { + for (const clientCursor of this.knownRemoteCursors) { + if ( + clientCursor.documentsWithCursors.some( + (document) => + document.relative_path === relativePath + ) + ) { + clientCursor.upToDateness = + await this.getDocumentsUpToDateness( + clientCursor + ); + } + } + }) + ) ); } @@ -100,21 +113,20 @@ export class CursorTracker { for (const [relativePath, cursors] of Object.entries( documentToCursors )) { - const record = - this.database.getLatestDocumentByRelativePath(relativePath); + const doc = this.vfs.getByPath(relativePath); - if (!record) { + if (!doc) { continue; // Let's wait for the file to be created before sending cursors } - if (!record.metadata) { - continue; // this is a new document, no need to sync the cursors + if (doc.state !== "tracked") { + continue; // this is a pending document, no need to sync the cursors } documentsWithCursors.push({ relative_path: relativePath, - document_id: record.documentId, - vault_update_id: record.metadata.parentVersionId, + document_id: doc.documentId, + vault_update_id: doc.serverVersion, cursors: cursors.map(({ start, end }) => ({ start: Math.min(start, end), end: Math.max(start, end) @@ -135,10 +147,10 @@ export class CursorTracker { const readContent = await this.fileOperations.read( doc.relative_path ); - const record = this.database.getLatestDocumentByRelativePath( - doc.relative_path - ); - if (record?.metadata?.hash !== hash(readContent)) { + const vfsDoc = this.vfs.getByPath(doc.relative_path); + const storedHash = + vfsDoc?.state === "tracked" ? vfsDoc.localHash : undefined; + if (storedHash !== hash(readContent)) { doc.vault_update_id = null; } } @@ -162,6 +174,12 @@ export class CursorTracker { this.updateLock.reset(); } + public destroy(): void { + for (const unsubscribe of this.eventUnsubscribers) { + unsubscribe(); + } + } + private getRelevantAndPruneKnownClientCursors(): MaybeOutdatedClientCursors[] { const result: MaybeOutdatedClientCursors[] = []; const included = new Set(); @@ -223,24 +241,19 @@ export class CursorTracker { private async getDocumentUpToDateness( document: DocumentWithCursors ): Promise { - const record = this.database.getLatestDocumentByRelativePath( - document.relative_path - ); + const vfsDoc = this.vfs.getByPath(document.relative_path); - if (!record) { + if (!vfsDoc) { // the document of the cursor must be from the future return DocumentUpToDateness.Later; } - if ( - (record.metadata?.parentVersionId ?? 0) < - (document.vault_update_id ?? 0) - ) { + const serverVersion = + vfsDoc.state === "tracked" ? vfsDoc.serverVersion : 0; + + if (serverVersion < (document.vault_update_id ?? 0)) { return DocumentUpToDateness.Later; - } else if ( - (document.vault_update_id ?? 0) < - (record.metadata?.parentVersionId ?? 0) - ) { + } else if ((document.vault_update_id ?? 0) < serverVersion) { // the document of the cursor must be from the past return DocumentUpToDateness.Prior; } @@ -249,9 +262,11 @@ export class CursorTracker { document.relative_path ); - return this.database.getLatestDocumentByRelativePath( - document.relative_path - )?.metadata?.hash === hash(currentContent) + const freshDoc = this.vfs.getByPath(document.relative_path); + const storedHash = + freshDoc?.state === "tracked" ? freshDoc.localHash : undefined; + + return storedHash === hash(currentContent) ? DocumentUpToDateness.UpToDate : DocumentUpToDateness.Prior; } diff --git a/frontend/sync-client/src/sync-operations/sync-actions.ts b/frontend/sync-client/src/sync-operations/sync-actions.ts new file mode 100644 index 00000000..ece89702 --- /dev/null +++ b/frontend/sync-client/src/sync-operations/sync-actions.ts @@ -0,0 +1,1182 @@ +import type { + VirtualFilesystem, + TrackedDocument, + PendingDocument, + DeletedLocallyDocument, + VirtualDocument +} from "../persistence/vfs"; +import type { SyncService } from "../services/sync-service"; +import type { FileOperations } from "../file-operations/file-operations"; +import type { Logger } from "../tracing/logger"; +import type { + CommonHistoryEntry, + SyncCreateDetails, + SyncDeleteDetails, + SyncDetails, + SyncHistory, + SyncMovedDetails, + SyncUpdateDetails +} from "../tracing/sync-history"; +import { SyncStatus, SyncType } from "../tracing/sync-history"; +import type { FixedSizeDocumentCache } from "../utils/data-structures/fix-sized-cache"; +import type { ServerConfig } from "../services/server-config"; +import type { Settings } from "../persistence/settings"; +import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; +import type { DocumentVersion } from "../services/types/DocumentVersion"; +import type { DocumentUpdateResponse } from "../services/types/DocumentUpdateResponse"; +import type { RelativePath } from "../persistence/database"; + +import { diff } from "reconcile-text"; +import { EMPTY_HASH, hash } from "../utils/hash"; +import { base64ToBytes } from "byte-base64"; +import { FileNotFoundError } from "../errors/file-not-found-error"; +import { HttpClientError } from "../errors/http-client-error"; +import { SyncResetError } from "../errors/sync-reset-error"; +import { globsToRegexes } from "../utils/globs-to-regexes"; +import { isFileTypeMergable } from "../utils/is-file-type-mergable"; +import { isBinary } from "../utils/is-binary"; +import { decodeText } from "../utils/decode-text"; + +// --------------------------------------------------------------------------- +// Dependency bag passed to every action +// --------------------------------------------------------------------------- + +export interface SyncDeps { + logger: Logger; + vfs: VirtualFilesystem; + syncService: SyncService; + operations: FileOperations; + history: SyncHistory; + contentCache: FixedSizeDocumentCache; + serverConfig: ServerConfig; + settings: Settings; +} + +// --------------------------------------------------------------------------- +// Deconflict‑suffix helpers (extracted from UnrestrictedSyncer) +// --------------------------------------------------------------------------- + +const DECONFLICT_SUFFIX = / \(\d+\)$/; + +/** + * Check if `candidate` is a path-deconflicted variant of `basePath`. + * e.g., "file (2).bin" is a variant of "file.bin", but "doc.bin" is not. + */ +export function isDeconflictedVariant( + candidate: string, + basePath: string +): boolean { + const stripExt = (p: string): [string, string] => { + const lastDot = p.lastIndexOf("."); + const lastSlash = p.lastIndexOf("/"); + if (lastDot > lastSlash + 1) { + return [p.substring(0, lastDot), p.substring(lastDot)]; + } + return [p, ""]; + }; + const [candidateStem, candidateExt] = stripExt(candidate); + const [baseStem, baseExt] = stripExt(basePath); + if (candidateExt !== baseExt) return false; + const strippedStem = candidateStem.replace(DECONFLICT_SUFFIX, ""); + return strippedStem === baseStem; +} + +// --------------------------------------------------------------------------- +// Shared helpers +// --------------------------------------------------------------------------- + +function getHistoryEntryForSkippedOversizedFile( + sizeInBytes: number, + relativePath: RelativePath, + settings: Settings +): CommonHistoryEntry | undefined { + const { maxFileSizeMB } = settings.getSettings(); + const maxFileSizeBytes = maxFileSizeMB * 1024 * 1024; + if (sizeInBytes > maxFileSizeBytes) { + const sizeInMB = (sizeInBytes / 1024 / 1024).toFixed(1); + return { + status: SyncStatus.SKIPPED, + details: { + type: SyncType.SKIPPED, + relativePath + }, + message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${maxFileSizeMB} MB` + }; + } +} + +async function updateCache( + contentCache: FixedSizeDocumentCache, + serverConfig: ServerConfig, + updateId: number, + contentBytes: Uint8Array, + filePath: RelativePath +): Promise { + if ( + isFileTypeMergable( + filePath, + (await serverConfig.getConfig()).mergeableFileExtensions + ) && + !isBinary(contentBytes) + ) { + contentCache.put(updateId, contentBytes); + } +} + +// Cached ignore-pattern regexes, rebuilt when settings change. +let cachedIgnorePatterns: RegExp[] | undefined; +let cachedSettingsRef: Settings | undefined; + +function getIgnorePatterns(deps: SyncDeps): RegExp[] { + if (cachedSettingsRef !== deps.settings || cachedIgnorePatterns === undefined) { + cachedIgnorePatterns = globsToRegexes( + deps.settings.getSettings().ignorePatterns, + deps.logger + ); + cachedSettingsRef = deps.settings; + } + return cachedIgnorePatterns; +} + +// --------------------------------------------------------------------------- +// executeSync wrapper (error handling, ignore patterns, size checks) +// --------------------------------------------------------------------------- + +async function executeSync( + deps: SyncDeps, + details: SyncDetails, + fn: () => Promise +): Promise { + if (!deps.settings.getSettings().isSyncEnabled) { + deps.logger.info( + `Skipping sync operation for file '${details.relativePath}' because sync is disabled` + ); + return; + } + + for (const pattern of getIgnorePatterns(deps)) { + if (pattern.test(details.relativePath)) { + deps.logger.debug( + `File '${details.relativePath}' is ignored by the ignore pattern: ${pattern}` + ); + return; + } + } + + try { + // Only check the size of files which already exist locally. + if (await deps.operations.exists(details.relativePath)) { + const sizeInBytes = await deps.operations.getFileSize( + details.relativePath + ); + const historyEntryForSkippedOversizedFile = + getHistoryEntryForSkippedOversizedFile( + sizeInBytes, + details.relativePath, + deps.settings + ); + if (historyEntryForSkippedOversizedFile !== undefined) { + deps.history.addHistoryEntry( + historyEntryForSkippedOversizedFile + ); + return; + } + } + + return await fn(); + } catch (e) { + if (e instanceof FileNotFoundError) { + deps.logger.info( + `Skiping file '${details.relativePath}' because it no longer exists when trying to ${details.type.toLocaleLowerCase()} it` + ); + return; + } + if (e instanceof SyncResetError) { + deps.logger.info( + `Interrupting sync operation because of a reset` + ); + return; + } else { + deps.history.addHistoryEntry({ + status: SyncStatus.ERROR, + details, + message: `Failed to sync file '${details.relativePath}' because of ${e} when trying to ${details.type.toLocaleLowerCase()} it` + }); + throw e; + } + } +} + +// --------------------------------------------------------------------------- +// applyRemoteDeleteLocally +// --------------------------------------------------------------------------- + +async function applyRemoteDeleteLocally( + deps: SyncDeps, + doc: VirtualDocument, + response: DocumentVersion | DocumentUpdateResponse +): Promise { + await deps.operations.delete(doc.relativePath); + + // deleteLocally transitions tracked → deleted-locally (new object in + // documentIdIndex). confirmDelete then removes it entirely. No need + // to call updateTracked — the delete already captures the server state. + deps.vfs.deleteLocally(doc.relativePath); + + if (doc.state === "tracked") { + deps.vfs.confirmDelete(response.documentId); + } + // For pending or deleted-locally, deleteLocally already handled removal + + deps.vfs.addSeenUpdateId(response.vaultUpdateId); +} + +// --------------------------------------------------------------------------- +// applyServerResponse (extracted from handleMaybeMergingResponse) +// --------------------------------------------------------------------------- + +export async function applyServerResponse( + deps: SyncDeps, + doc: PendingDocument | TrackedDocument, + response: DocumentVersion | DocumentUpdateResponse, + contentHash: string, + originalRelativePath: string, + originalContentBytes: Uint8Array, + isCreate?: boolean +): Promise { + // Derive at entry before any metadata mutation. True when + // resolveIdempotencyKeys assigned a documentId (serverVersion 0) + // and we retried the create — the server returned the existing version. + const isIdempotentCreateReturn = + isCreate === true && + doc.state === "tracked" && + doc.serverVersion === 0; + + // Check if the document was deleted locally + const currentDoc = deps.vfs.getByPath(doc.relativePath); + if (currentDoc === undefined) { + // Path was removed from pathIndex (deleted locally) + deps.logger.info( + `Document ${doc.relativePath} has been deleted before we could finish updating it` + ); + // For pending docs deleted during create: assign metadata so the + // pending delete can inform the server + if (doc.state === "pending") { + const conflict = deps.vfs.getByDocumentId(response.documentId); + if (conflict !== undefined && conflict !== doc) { + deps.vfs.remove(doc); + } else { + // Transition to tracked so delete can be sent to server + deps.vfs.confirmCreate( + doc.idempotencyKey, + response.documentId, + response.vaultUpdateId, + contentHash, + response.relativePath + ); + // Then delete locally + deps.vfs.deleteLocally(doc.relativePath); + } + } + deps.vfs.addSeenUpdateId(response.vaultUpdateId); + return; + } + + const currentServerVersion = + doc.state === "tracked" ? doc.serverVersion : 0; + + if (currentServerVersion > response.vaultUpdateId) { + deps.logger.debug( + `Document ${doc.relativePath} is already more up to date than the fetched version` + ); + deps.vfs.addSeenUpdateId(response.vaultUpdateId); + return; + } + + if (response.isDeleted) { + return applyRemoteDeleteLocally(deps, doc, response); + } + + let actualPath = doc.relativePath; + + if (isCreate) { + // The server returns a merging update for a document ID that + // may already exist locally (at another path). Remove the stale + // database record so no two records share the same documentId. + const staleDoc = deps.vfs.ensureUniqueDocumentId( + response.documentId, + doc + ); + if (staleDoc !== undefined) { + deps.logger.info( + `Removed stale database record at ${staleDoc.relativePath} — ` + + `server merged documentId ${response.documentId} into ${doc.relativePath}. ` + + `File left on disk for next sync cycle.` + ); + } + } + + // A document's documentId should never change once assigned. + if ( + doc.state === "tracked" && + doc.documentId !== response.documentId + ) { + deps.logger.info( + `Document ${doc.relativePath} already has documentId ${doc.documentId}, ` + + `but response has documentId ${response.documentId}. Ignoring response to prevent documentId corruption.` + ); + deps.vfs.addSeenUpdateId(response.vaultUpdateId); + return; + } + + // Handle path change from server (can't happen on creation path since + // merging responses only occur when a document already exists remotely) + if (response.relativePath !== originalRelativePath) { + if (isIdempotentCreateReturn) { + // The server knows this document at its original creation path, + // but the user renamed the file locally while offline. Don't + // revert the rename — keep the local path and let the next sync + // cycle push the rename to the server. + deps.logger.info( + `Idempotent create return: keeping local path ${doc.relativePath} ` + + `instead of reverting to server path ${response.relativePath}` + ); + } else { + actualPath = response.relativePath; + // Update remote relative path + if (doc.state === "tracked") { + doc.remoteRelativePath = response.relativePath; + } + await deps.operations.move( + doc.relativePath, + response.relativePath + ); // this can throw FileNotFoundError + + // Update the VFS path to match the new location + deps.vfs.move(doc.relativePath, response.relativePath); + } + } + + if (!("type" in response) || response.type === "MergingUpdate") { + const responseBytes = base64ToBytes(response.contentBase64); + + // Write file BEFORE updating metadata so that if the write fails, + // metadata doesn't point to a version whose content was never written. + await deps.operations.write( + actualPath, + originalContentBytes, + responseBytes + ); + + // Re-read and re-hash after write because the 3-way merge in + // operations.write() may produce content different from responseBytes. + const actualContent = await deps.operations.read(actualPath); + const actualHash = hash(actualContent); + + // Transition pending -> tracked or update tracked metadata + if (doc.state === "pending") { + deps.vfs.confirmCreate( + doc.idempotencyKey, + response.documentId, + response.vaultUpdateId, + actualHash, + response.relativePath + ); + } else { + deps.vfs.updateTracked( + response.documentId, + response.vaultUpdateId, + actualHash, + response.relativePath + ); + } + + // Cache the SERVER's content (responseBytes), not the local + // content (actualContent). + await updateCache( + deps.contentCache, + deps.serverConfig, + response.vaultUpdateId, + responseBytes, + actualPath + ); + + // If the local file diverged from the server after merge, set the + // metadata hash to the SERVER's hash so the next sync cycle detects + // the mismatch and uploads the local content. + const serverMergedHash = hash(responseBytes); + if (actualHash !== serverMergedHash) { + deps.logger.info( + `File ${actualPath} diverged from server after merge ` + + `(local: ${actualHash}, server: ${serverMergedHash}), ` + + `will re-sync on next cycle` + ); + // Re-fetch the current doc from VFS since confirmCreate may + // have replaced the pending doc with a tracked one. + const trackedDoc = deps.vfs.getByDocumentId(response.documentId); + if (trackedDoc?.state === "tracked") { + deps.vfs.updateTracked( + trackedDoc.documentId, + trackedDoc.serverVersion, + serverMergedHash, + trackedDoc.remoteRelativePath + ); + } + } + } else if (isCreate === true) { + // FastForwardUpdate from an idempotent create return — the + // server may have returned the original version whose content + // differs from what we sent. Always fetch the server content + // to ensure the cache is consistent. + + // Apply server-side path if it differs and this is NOT an + // idempotent create return (where we keep the local path). + if ( + response.relativePath !== actualPath && + !isIdempotentCreateReturn + ) { + if (doc.state === "tracked") { + doc.remoteRelativePath = response.relativePath; + } + await deps.operations.move( + doc.relativePath, + response.relativePath + ); + deps.vfs.move(doc.relativePath, response.relativePath); + actualPath = response.relativePath; + } + + const serverContent = + await deps.syncService.getDocumentVersionContent({ + documentId: response.documentId, + vaultUpdateId: response.vaultUpdateId + }); + + if (doc.state === "pending") { + deps.vfs.confirmCreate( + doc.idempotencyKey, + response.documentId, + response.vaultUpdateId, + hash(serverContent), + response.relativePath + ); + } else { + deps.vfs.updateTracked( + response.documentId, + response.vaultUpdateId, + hash(serverContent), + response.relativePath + ); + } + + await updateCache( + deps.contentCache, + deps.serverConfig, + response.vaultUpdateId, + serverContent, + actualPath + ); + } else { + // FastForwardUpdate — the server accepted our content as-is. + if (doc.state === "pending") { + deps.vfs.confirmCreate( + doc.idempotencyKey, + response.documentId, + response.vaultUpdateId, + contentHash, + response.relativePath + ); + } else { + deps.vfs.updateTracked( + response.documentId, + response.vaultUpdateId, + contentHash, + response.relativePath + ); + } + + await updateCache( + deps.contentCache, + deps.serverConfig, + response.vaultUpdateId, + originalContentBytes, + actualPath + ); + } + + deps.vfs.addSeenUpdateId(response.vaultUpdateId); +} + +// --------------------------------------------------------------------------- +// 1. executeSyncCreate +// --------------------------------------------------------------------------- + +export async function executeSyncCreate( + deps: SyncDeps, + doc: PendingDocument +): Promise { + const createDetails: SyncCreateDetails = { + type: SyncType.CREATE, + relativePath: doc.relativePath + }; + + await executeSync(deps, createDetails, async () => { + // For pending creates that were system-displaced by ensureClearPath + // (e.g., "file.bin" -> "file (1).bin"), send the create to the + // ORIGINAL path so the server handles deconfliction. + const originalRelativePath = + doc.originalCreationPath !== doc.relativePath && + isDeconflictedVariant( + doc.relativePath, + doc.originalCreationPath + ) + ? doc.originalCreationPath + : doc.relativePath; + + let contentBytes = await deps.operations.read( + doc.relativePath + ); // this can throw FileNotFoundError + let contentHash = hash(contentBytes); + + const response = await deps.syncService.create({ + relativePath: originalRelativePath, + contentBytes, + idempotencyKey: doc.idempotencyKey + }); + + await applyServerResponse( + deps, + doc, + response, + contentHash, + originalRelativePath, + contentBytes, + true + ); + + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.CREATE, + relativePath: doc.relativePath + }, + message: `Successfully created file '${doc.relativePath}' on the server` + }); + + // The file may have been modified while the create request + // was in-flight. Re-read and check: if the disk content + // differs from what the metadata hash says, immediately + // upload the new content as an update. + const trackedDoc = deps.vfs.getByDocumentId(response.documentId); + if ( + trackedDoc?.state === "tracked" + ) { + try { + const freshBytes = await deps.operations.read( + trackedDoc.relativePath + ); + const freshHash = hash(freshBytes); + if (freshHash !== trackedDoc.localHash) { + deps.logger.info( + `File ${trackedDoc.relativePath} was modified during create, uploading follow-up update` + ); + // Re-use the update path with fresh content + contentBytes = freshBytes; + contentHash = freshHash; + // Fall through to the update below + } else { + return; + } + } catch { + // File may have been deleted — nothing to update + return; + } + + // Inline update for in-flight edits detected after create + await executeSyncUpdateInner( + deps, + trackedDoc, + contentBytes, + contentHash, + originalRelativePath, + undefined, + false + ); + } + }); +} + +// --------------------------------------------------------------------------- +// 2. executeSyncUpdate +// --------------------------------------------------------------------------- + +export async function executeSyncUpdate( + deps: SyncDeps, + doc: TrackedDocument, + oldPath?: string +): Promise { + await executeSyncUpdateFull(deps, doc, oldPath, false); +} + +/** + * Full create-or-update path. When `force` is true, the update is sent + * even when the local hash matches (used for remote-update processing). + */ +export async function executeSyncUpdateFull( + deps: SyncDeps, + doc: TrackedDocument, + oldPath?: string, + force = false +): Promise { + const updateDetails: + | SyncUpdateDetails + | SyncMovedDetails = + oldPath !== undefined + ? { + type: SyncType.MOVE, + relativePath: doc.relativePath, + movedFrom: oldPath + } + : { + type: SyncType.UPDATE, + relativePath: doc.relativePath + }; + + await executeSync(deps, updateDetails, async () => { + const originalRelativePath = doc.relativePath; + + let contentBytes = await deps.operations.read( + doc.relativePath + ); // this can throw FileNotFoundError + let contentHash = hash(contentBytes); + + // If parentVersionId is 0, resolveIdempotencyKeys assigned a + // documentId but hasn't synced yet. Treat as a create retry. + if (doc.serverVersion === 0) { + // Use the preserved idempotency key so the server can + // deduplicate if the original create already succeeded. + const response = await deps.syncService.create({ + relativePath: originalRelativePath, + contentBytes, + idempotencyKey: doc.idempotencyKey + }); + + await applyServerResponse( + deps, + doc, + response, + contentHash, + originalRelativePath, + contentBytes, + true + ); + + // Check for in-flight edits + const updatedDoc = deps.vfs.getByDocumentId(response.documentId); + if ( + updatedDoc?.state === "tracked" + ) { + try { + const freshBytes = await deps.operations.read( + updatedDoc.relativePath + ); + const freshHash = hash(freshBytes); + if (freshHash !== updatedDoc.localHash) { + deps.logger.info( + `File ${updatedDoc.relativePath} was modified during create, uploading follow-up update` + ); + contentBytes = freshBytes; + contentHash = freshHash; + } else { + return; + } + } catch { + return; + } + + await executeSyncUpdateInner( + deps, + updatedDoc, + contentBytes, + contentHash, + originalRelativePath, + undefined, + false + ); + } + return; + } + + let response: DocumentVersion | DocumentUpdateResponse | undefined = + undefined; + + { + const areThereLocalChanges = + doc.localHash !== contentHash || + oldPath !== undefined; + + if (areThereLocalChanges) { + response = await executeSyncUpdateSendChanges( + deps, + doc, + contentBytes + ); + } else { + if (!force) { + deps.logger.debug( + `File hash of ${doc.relativePath} matches with last synced version and the path hasn't changed; no need to sync` + ); + return; + } + + // Force path: sync remotely updated files which have no local changes. + response = await deps.syncService.get({ + documentId: doc.documentId + }); + + // If the server's content matches the local content, + // just update metadata without moving the file. + const serverBytes = base64ToBytes( + response.contentBase64 + ); + if (hash(serverBytes) === contentHash) { + // If the server renamed the document, apply the rename + // locally. Skip the rename only when the local path is + // a deconflicted variant of the server path. + if ( + response.relativePath !== + doc.relativePath && + !isDeconflictedVariant( + doc.relativePath, + response.relativePath + ) + ) { + try { + await deps.operations.move( + doc.relativePath, + response.relativePath + ); + } catch { + return; + } + } + + deps.vfs.updateTracked( + response.documentId, + response.vaultUpdateId, + contentHash, + response.relativePath + ); + await updateCache( + deps.contentCache, + deps.serverConfig, + response.vaultUpdateId, + serverBytes, + doc.relativePath + ); + deps.vfs.addSeenUpdateId( + response.vaultUpdateId + ); + return; + } + } + + await applyServerResponse( + deps, + doc, + response, + contentHash, + originalRelativePath, + contentBytes + ); + } + + if (!("type" in response) || response.type === "MergingUpdate") { + if (!force) { + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: updateDetails, + message: `The file we updated had been updated remotely, so we downloaded the merged version` + }); + return; + } + } + + const actualUpdateDetails: SyncUpdateDetails | SyncMovedDetails = + oldPath !== undefined || + response.relativePath !== originalRelativePath + ? { + type: SyncType.MOVE, + relativePath: response.relativePath, + movedFrom: originalRelativePath + } + : { + type: SyncType.UPDATE, + relativePath: response.relativePath + }; + + if (!response.isDeleted) { + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: actualUpdateDetails, + message: `Successfully downloaded remotely updated file from the server`, + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } else { + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: { + type: SyncType.DELETE, + relativePath: doc.relativePath + }, + message: + "Successfully deleted file which had been deleted remotely", + author: response.userId, + timestamp: new Date(response.updatedDate) + }); + } + }); +} + +/** + * Compute diff and send text or binary update to server. + */ +async function executeSyncUpdateSendChanges( + deps: SyncDeps, + doc: TrackedDocument, + contentBytes: Uint8Array +): Promise { + const isText = + !isBinary(contentBytes) && + isFileTypeMergable( + doc.relativePath, + (await deps.serverConfig.getConfig()).mergeableFileExtensions + ); + const cachedVersion = deps.contentCache.get(doc.serverVersion); + + // Try text diff first; if it fails (e.g., binary content classified + // as text because it's ASCII), fall back to binary update. + let computedDiff: (number | string)[] | undefined; + if (isText && cachedVersion !== undefined) { + try { + computedDiff = diff( + decodeText(cachedVersion) ?? "", + decodeText(contentBytes) ?? "", + "Markdown" + ); + } catch { + deps.logger.info( + `Diff computation failed for ${doc.relativePath}, falling back to binary update` + ); + } + } + + if (computedDiff !== undefined) { + try { + return await deps.syncService.putText({ + documentId: doc.documentId, + parentVersionId: doc.serverVersion, + relativePath: doc.relativePath, + content: computedDiff + }); + } catch (e) { + if (e instanceof HttpClientError) { + deps.logger.info( + `putText failed with ${e.status} for ${doc.relativePath}, falling back to putBinary` + ); + return deps.syncService.putBinary({ + documentId: doc.documentId, + parentVersionId: doc.serverVersion, + relativePath: doc.relativePath, + contentBytes + }); + } else { + throw e; + } + } + } else { + return deps.syncService.putBinary({ + documentId: doc.documentId, + parentVersionId: doc.serverVersion, + relativePath: doc.relativePath, + contentBytes + }); + } +} + +/** + * Inner update path used after a create detects in-flight edits, or by + * callers that already have the file content and hash. + */ +async function executeSyncUpdateInner( + deps: SyncDeps, + doc: TrackedDocument, + contentBytes: Uint8Array, + contentHash: string, + originalRelativePath: string, + oldPath: string | undefined, + force: boolean +): Promise { + const areThereLocalChanges = + doc.localHash !== contentHash || + oldPath !== undefined; + + let response: DocumentVersion | DocumentUpdateResponse; + + if (areThereLocalChanges) { + response = await executeSyncUpdateSendChanges( + deps, + doc, + contentBytes + ); + } else if (force) { + const fullResponse = await deps.syncService.get({ + documentId: doc.documentId + }); + const serverBytes = base64ToBytes(fullResponse.contentBase64); + if (hash(serverBytes) === contentHash) { + deps.vfs.updateTracked( + fullResponse.documentId, + fullResponse.vaultUpdateId, + contentHash, + fullResponse.relativePath + ); + await updateCache( + deps.contentCache, + deps.serverConfig, + fullResponse.vaultUpdateId, + serverBytes, + doc.relativePath + ); + deps.vfs.addSeenUpdateId(fullResponse.vaultUpdateId); + return; + } + response = fullResponse; + } else { + return; + } + + await applyServerResponse( + deps, + doc, + response, + contentHash, + originalRelativePath, + contentBytes + ); +} + +// --------------------------------------------------------------------------- +// 3. executeSyncDelete +// --------------------------------------------------------------------------- + +export async function executeSyncDelete( + deps: SyncDeps, + doc: DeletedLocallyDocument +): Promise { + const updateDetails: SyncDeleteDetails = { + type: SyncType.DELETE, + relativePath: doc.relativePath + }; + + await executeSync(deps, updateDetails, async () => { + const response = await deps.syncService.delete({ + documentId: doc.documentId, + relativePath: doc.relativePath + }); + + deps.vfs.confirmDelete(doc.documentId); + + deps.vfs.addSeenUpdateId(response.vaultUpdateId); + + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: updateDetails, + message: `Successfully deleted locally deleted file on the server`, + author: response.userId + }); + }); +} + +// --------------------------------------------------------------------------- +// 4. executeRemoteUpdate +// --------------------------------------------------------------------------- + +export async function executeRemoteUpdate( + deps: SyncDeps, + remoteVersion: DocumentVersionWithoutContent, + doc?: VirtualDocument +): Promise { + const updateDetails: SyncCreateDetails = { + type: SyncType.CREATE, + relativePath: remoteVersion.relativePath + }; + + await executeSync(deps, updateDetails, async () => { + // If the document has been marked as deleted locally, check + // whether the server-side delete was actually sent. + if (doc?.state === "deleted-locally") { + if (!remoteVersion.isDeleted) { + deps.logger.debug( + `Document ${doc.relativePath} is deleted locally but alive remotely, sending delete to server` + ); + await executeSyncDelete(deps, doc); + } else { + deps.logger.debug( + `Document ${doc.relativePath} is marked as deleted locally, skipping remote update` + ); + } + return; + } + + if (doc?.state === "tracked") { + // If the file exists locally, let's pretend the user has updated it + // and deal with remote update/deletion within the update path + if (doc.serverVersion >= remoteVersion.vaultUpdateId) { + deps.logger.debug( + `Document ${doc.relativePath} is already at least as up-to-date as the fetched version` + ); + return; + } + + return executeSyncUpdateFull(deps, doc, undefined, true); + } else if (remoteVersion.isDeleted) { + deps.logger.debug( + `Document ${remoteVersion.relativePath} has been deleted remotely, no need to sync` + ); + deps.vfs.addSeenUpdateId(remoteVersion.vaultUpdateId); + return; + } + + // Don't download oversized files + const historyEntryForSkippedOversizedFile = + getHistoryEntryForSkippedOversizedFile( + remoteVersion.contentSize, + remoteVersion.relativePath, + deps.settings + ); + if (historyEntryForSkippedOversizedFile !== undefined) { + deps.history.addHistoryEntry( + historyEntryForSkippedOversizedFile + ); + return; + } + + const contentBytes = + await deps.syncService.getDocumentVersionContent({ + documentId: remoteVersion.documentId, + vaultUpdateId: remoteVersion.vaultUpdateId + }); + + // We're trying to create an entirely new document that didn't exist locally. + // Re-check after the download in case a concurrent operation created it. + const existingByDocId = deps.vfs.getByDocumentId( + remoteVersion.documentId + ); + if (existingByDocId !== undefined) { + deps.logger.debug( + `Document ${remoteVersion.relativePath} has already been created locally, no need to create it again` + ); + return; + } + + // If a pending local create exists at the same path AND the file + // extension is mergeable (text), skip the download. + const pendingAtSamePath = deps.vfs.pendingDocuments().find( + (d) => + d.relativePath === remoteVersion.relativePath || + d.originalCreationPath === remoteVersion.relativePath + ); + const mergeableExtensions = ( + await deps.serverConfig.getConfig() + ).mergeableFileExtensions; + const isMergeablePath = isFileTypeMergable( + remoteVersion.relativePath, + mergeableExtensions + ); + if (pendingAtSamePath !== undefined && isMergeablePath) { + deps.logger.info( + `Pending local create exists at ${pendingAtSamePath.relativePath} ` + + `for mergeable path ${remoteVersion.relativePath}, ` + + `skipping remote create — idempotency key resolution will handle it` + ); + return; + } + + // Before displacing an existing file via ensureClearPath, check + // if it already has the correct content. + const contentHashForDownload = hash(contentBytes); + let fileAlreadyCorrect = false; + if (await deps.operations.exists(remoteVersion.relativePath)) { + try { + const existingBytes = await deps.operations.read( + remoteVersion.relativePath + ); + if (hash(existingBytes) === contentHashForDownload) { + fileAlreadyCorrect = true; + deps.logger.debug( + `File at ${remoteVersion.relativePath} already has correct content, skipping displacement` + ); + } + } catch { + // File read failed, proceed with normal displacement + } + } + + if (!fileAlreadyCorrect) { + await deps.operations.ensureClearPath( + remoteVersion.relativePath + ); + } + + const pendingDocument = await deps.vfs.createPending( + remoteVersion.relativePath + ); + + if (!fileAlreadyCorrect) { + await deps.operations.create( + remoteVersion.relativePath, + contentBytes + ); + } + + const stale = deps.vfs.ensureUniqueDocumentId( + remoteVersion.documentId, + pendingDocument + ); + if (stale !== undefined) { + deps.logger.info( + `Removed stale document at ${stale.relativePath} ` + + `with documentId ${remoteVersion.documentId} ` + + `(superseded by remote download at ${remoteVersion.relativePath})` + ); + } + + deps.vfs.confirmCreate( + pendingDocument.idempotencyKey, + remoteVersion.documentId, + remoteVersion.vaultUpdateId, + hash(contentBytes), + remoteVersion.relativePath + ); + + deps.vfs.addSeenUpdateId(remoteVersion.vaultUpdateId); + + await updateCache( + deps.contentCache, + deps.serverConfig, + remoteVersion.vaultUpdateId, + contentBytes, + remoteVersion.relativePath + ); + + deps.history.addHistoryEntry({ + status: SyncStatus.SUCCESS, + details: updateDetails, + message: `Successfully downloaded remote file which hadn't existed locally`, + author: remoteVersion.userId, + timestamp: new Date(remoteVersion.updatedDate) + }); + }); +} diff --git a/frontend/sync-client/src/sync-operations/sync-event-queue.ts b/frontend/sync-client/src/sync-operations/sync-event-queue.ts new file mode 100644 index 00000000..e7d8f2ec --- /dev/null +++ b/frontend/sync-client/src/sync-operations/sync-event-queue.ts @@ -0,0 +1,268 @@ +import type { Logger } from "../tracing/logger"; +import type { VirtualFilesystem } from "../persistence/vfs"; +import type { SyncEvent, CoalescedAction } from "./sync-events"; +import { coalesce, eventToInitialAction } from "./sync-events"; +import { SyncResetError } from "../errors/sync-reset-error"; +import { EventListeners } from "../utils/data-structures/event-listeners"; + +// A document key is either a documentId (for tracked docs) or "path:" (for pending docs) +type DocumentKey = string; + +export class SyncEventQueue { + private readonly documentStates = new Map(); + private readonly processingOrder: DocumentKey[] = []; + private currentlyProcessing: DocumentKey | null = null; + private currentOperation: Promise | null = null; + private readonly idleWaiters: (() => void)[] = []; + private isResetting = false; + private isPaused = false; + + public readonly onRemainingOperationsCountChanged = new EventListeners< + (count: number) => unknown + >(); + + // The executor is injected by the Syncer — it processes one CoalescedAction for one document + private executor: + | ((key: DocumentKey, action: CoalescedAction) => Promise) + | undefined; + + constructor( + private readonly logger: Logger, + private readonly vfs: VirtualFilesystem + ) {} + + public setExecutor( + executor: (key: DocumentKey, action: CoalescedAction) => Promise + ): void { + this.executor = executor; + } + + // --- Event ingestion --- + + public enqueue(event: SyncEvent): void { + const key = this.resolveKey(event); + const existing = this.documentStates.get(key); + + if (existing === undefined || existing.action === "noop") { + this.documentStates.set(key, eventToInitialAction(event)); + this.addToProcessingOrder(key); + } else { + const newAction = coalesce(existing, event); + if (newAction.action === "noop") { + this.documentStates.delete(key); + this.removeFromProcessingOrder(key); + } else { + this.documentStates.set(key, newAction); + // If the key isn't in processingOrder (was being processed), add it back + if ( + !this.processingOrder.includes(key) && + this.currentlyProcessing !== key + ) { + this.addToProcessingOrder(key); + } + } + } + + this.triggerCountChanged(); + this.processNext(); + } + + // --- Key migration --- + + public migrateKey(oldKey: DocumentKey, newDocumentId: string): void { + const state = this.documentStates.get(oldKey); + if (state === undefined) return; + + this.documentStates.delete(oldKey); + this.removeFromProcessingOrder(oldKey); + + const existingNew = this.documentStates.get(newDocumentId); + if (existingNew !== undefined) { + // Merge: coalesce the old state into the new key's state. + // This is unusual but can happen during key resolution races. + // Keep the existing state at the new key (it's more recent). + } else { + this.documentStates.set(newDocumentId, state); + this.addToProcessingOrder(newDocumentId); + } + } + + // --- Processing --- + + public hasOutstandingWork(): boolean { + return this.documentStates.size > 0 || this.currentOperation !== null; + } + + public hasPendingEventsFor(key: string): boolean { + return ( + this.documentStates.has(key) || + this.documentStates.has("path:" + key) || + this.currentlyProcessing === key || + this.currentlyProcessing === "path:" + key + ); + } + + public get pendingDocumentCount(): number { + return ( + this.documentStates.size + + (this.currentOperation !== null ? 1 : 0) + ); + } + + public async waitForIdle(): Promise { + // When paused, consider the queue idle if no operation is running. + // Queued events exist but are intentionally held until resume(). + if (this.currentOperation === null && (this.isPaused || this.documentStates.size === 0)) { + return; + } + return new Promise((resolve) => { + this.idleWaiters.push(resolve); + }); + } + + // --- Reset --- + + public reset(): void { + this.isResetting = true; + + // Remove remote events (server will replay on reconnect). + // Preserve local events (unsynced user actions). + for (const [key, state] of this.documentStates.entries()) { + if ( + state.action === "remote-update" || + state.action === "remote-delete" + ) { + this.documentStates.delete(key); + this.removeFromProcessingOrder(key); + } + } + + this.idleWaiters.length = 0; + } + + public clearResetting(): void { + this.isResetting = false; + } + + /** Pause processing. Events can still be enqueued but won't be executed. */ + public pause(): void { + this.isPaused = true; + } + + /** Resume processing. Immediately processes any queued events. */ + public resume(): void { + this.isPaused = false; + this.processNext(); + } + + public destroy(): void { + this.documentStates.clear(); + this.processingOrder.length = 0; + this.currentlyProcessing = null; + this.idleWaiters.length = 0; + } + + // --- Internal --- + + private resolveKey(event: SyncEvent): DocumentKey { + switch (event.type) { + case "remote-update": + case "remote-delete": + return event.version.documentId; + case "local-create": + return "path:" + event.path; + case "local-update": + case "local-delete": { + const doc = this.vfs.getByPath(event.path); + if (doc !== undefined && doc.state !== "pending") { + return doc.documentId; + } + return "path:" + event.path; + } + case "local-move": { + const doc = + this.vfs.getByPath(event.toPath) ?? + this.vfs.getByPath(event.fromPath); + if (doc !== undefined && doc.state !== "pending") { + return doc.documentId; + } + return "path:" + event.fromPath; + } + } + } + + private processNext(): void { + if (this.currentOperation !== null) return; + + if (this.isPaused) { + // Even when paused, resolve idle waiters since no operation is + // running. This is needed because internalReconcile() pauses the + // queue then calls waitForIdle() — if a previously-started + // operation finishes while paused, idle waiters must be notified. + if (this.idleWaiters.length > 0) { + const waiters = this.idleWaiters.splice(0); + for (const w of waiters) w(); + } + return; + } + + while (this.processingOrder.length > 0) { + const key = this.processingOrder.shift()!; + const action = this.documentStates.get(key); + + if (action === undefined || action.action === "noop") { + this.documentStates.delete(key); + continue; + } + + this.currentlyProcessing = key; + this.documentStates.delete(key); + + this.currentOperation = (async () => { + try { + if (this.isResetting) throw new SyncResetError(); + if (this.executor === undefined) { + throw new Error("No executor set"); + } + await this.executor(key, action); + } catch (e) { + if (!(e instanceof SyncResetError)) { + this.logger.info( + `Sync operation for ${key} failed, will retry: ${e}` + ); + } + } finally { + this.currentlyProcessing = null; + this.currentOperation = null; + this.triggerCountChanged(); + this.processNext(); + } + })(); + return; // processNext will be called again in finally + } + + // Queue is empty, resolve idle waiters + if (this.currentOperation === null) { + const waiters = this.idleWaiters.splice(0); + for (const w of waiters) w(); + this.triggerCountChanged(); + } + } + + private addToProcessingOrder(key: DocumentKey): void { + if (!this.processingOrder.includes(key)) { + this.processingOrder.push(key); + } + } + + private removeFromProcessingOrder(key: DocumentKey): void { + const idx = this.processingOrder.indexOf(key); + if (idx !== -1) this.processingOrder.splice(idx, 1); + } + + private triggerCountChanged(): void { + this.onRemainingOperationsCountChanged.trigger( + this.pendingDocumentCount + ); + } +} diff --git a/frontend/sync-client/src/sync-operations/sync-events.ts b/frontend/sync-client/src/sync-operations/sync-events.ts new file mode 100644 index 00000000..9f371b81 --- /dev/null +++ b/frontend/sync-client/src/sync-operations/sync-events.ts @@ -0,0 +1,301 @@ +import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; + +// --------------------------------------------------------------------------- +// Raw sync events — emitted by file watchers and WebSocket handlers +// --------------------------------------------------------------------------- + +export type SyncEvent = + | { type: "local-create"; path: string } + | { type: "local-update"; path: string } + | { type: "local-delete"; path: string } + | { type: "local-move"; fromPath: string; toPath: string } + | { type: "remote-update"; version: DocumentVersionWithoutContent } + | { type: "remote-delete"; version: DocumentVersionWithoutContent }; + +// --------------------------------------------------------------------------- +// Coalesced actions — the result of merging multiple events on the same key +// --------------------------------------------------------------------------- + +export type CoalescedAction = + | { action: "create"; path: string } + | { action: "update"; path: string } + | { action: "delete"; path: string } + | { action: "move"; fromPath: string; toPath: string } + | { action: "move-and-update"; fromPath: string; toPath: string } + | { action: "remote-update"; version: DocumentVersionWithoutContent } + | { action: "remote-delete"; version: DocumentVersionWithoutContent } + | { action: "noop" }; + +/** + * Convert a single SyncEvent to its initial CoalescedAction. + */ +export function eventToInitialAction(event: SyncEvent): CoalescedAction { + switch (event.type) { + case "local-create": + return { action: "create", path: event.path }; + case "local-update": + return { action: "update", path: event.path }; + case "local-delete": + return { action: "delete", path: event.path }; + case "local-move": + return { + action: "move", + fromPath: event.fromPath, + toPath: event.toPath + }; + case "remote-update": + return { action: "remote-update", version: event.version }; + case "remote-delete": + return { action: "remote-delete", version: event.version }; + } +} + +/** + * Coalesce a new SyncEvent into an existing CoalescedAction. + * + * This implements the full transition table for combining sequential events + * that target the same logical document. The goal is to reduce multiple + * events into a single action that captures the net effect. + * + * Transition table (current action x new event -> result): + * + * | Current \ New Event | local-create | local-update | local-delete | local-move(to) | remote-update | remote-delete | + * |---------------------|-------------|-------------|-------------|----------------|---------------|---------------| + * | create | create | create | noop | create(to) | create | noop | + * | update | update | update | delete | move-and-update| remote-update | delete | + * | delete | create | update | delete | move | remote-update | delete | + * | move | move | move-and-upd| delete | move(orig,to) | move | delete | + * | move-and-update | move-and-upd| move-and-upd| delete | m-a-u(orig,to) | move-and-upd | delete | + * | remote-update | create | remote-upd | remote-del | remote-upd | remote-upd | remote-del | + * | remote-delete | create | remote-del | remote-del | remote-del | remote-upd | remote-del | + * | noop | create | update | delete | move | remote-update | remote-delete | + */ +export function coalesce( + current: CoalescedAction, + event: SyncEvent +): CoalescedAction { + switch (current.action) { + case "create": + return coalesceFromCreate(current, event); + case "update": + return coalesceFromUpdate(current, event); + case "delete": + return coalesceFromDelete(event); + case "move": + return coalesceFromMove(current, event); + case "move-and-update": + return coalesceFromMoveAndUpdate(current, event); + case "remote-update": + return coalesceFromRemoteUpdate(current, event); + case "remote-delete": + return coalesceFromRemoteDelete(current, event); + case "noop": + return eventToInitialAction(event); + } +} + +function coalesceFromCreate( + current: { action: "create"; path: string }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // create + create = still create (idempotent) + return current; + case "local-update": + // create + update = still create (content will be read at sync time) + return current; + case "local-delete": + // create + delete = noop (file never reached server) + return { action: "noop" }; + case "local-move": + // create + move = create at new path + return { action: "create", path: event.toPath }; + case "remote-update": + // create + remote-update = still create (local create takes precedence) + return current; + case "remote-delete": + // create + remote-delete = noop + return { action: "noop" }; + } +} + +function coalesceFromUpdate( + current: { action: "update"; path: string }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // update + create = update (file was already tracked) + return current; + case "local-update": + // update + update = update + return current; + case "local-delete": + // update + delete = delete + return { action: "delete", path: current.path }; + case "local-move": + // update + move = move-and-update + return { + action: "move-and-update", + fromPath: event.fromPath, + toPath: event.toPath + }; + case "remote-update": + // update + remote-update = remote-update (forces server fetch + // so remote changes are applied even when there are no local edits) + return { action: "remote-update", version: event.version }; + case "remote-delete": + // update + remote-delete = delete + return { action: "delete", path: current.path }; + } +} + +function coalesceFromDelete(event: SyncEvent): CoalescedAction { + switch (event.type) { + case "local-create": + // delete + create = create (file re-created) + return { action: "create", path: event.path }; + case "local-update": + // delete + update = update (file re-appeared with changes) + return { action: "update", path: event.path }; + case "local-delete": + // delete + delete = delete (idempotent) + return { action: "delete", path: event.path }; + case "local-move": + // delete + move = move (the original delete is superseded) + return { + action: "move", + fromPath: event.fromPath, + toPath: event.toPath + }; + case "remote-update": + // delete + remote-update = remote-update (server has new version) + return { action: "remote-update", version: event.version }; + case "remote-delete": + // delete + remote-delete = delete + return { action: "delete", path: event.version.relativePath }; + } +} + +function coalesceFromMove( + current: { action: "move"; fromPath: string; toPath: string }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // move + create = move (file already at destination) + return current; + case "local-update": + // move + update = move-and-update + return { + action: "move-and-update", + fromPath: current.fromPath, + toPath: current.toPath + }; + case "local-delete": + // move + delete = delete (from original path) + return { action: "delete", path: current.fromPath }; + case "local-move": + // move(A->B) + move(B->C) = move(A->C) + return { + action: "move", + fromPath: current.fromPath, + toPath: event.toPath + }; + case "remote-update": + // move + remote-update = move (local move takes precedence) + return current; + case "remote-delete": + // move + remote-delete = delete + return { action: "delete", path: current.fromPath }; + } +} + +function coalesceFromMoveAndUpdate( + current: { action: "move-and-update"; fromPath: string; toPath: string }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // move-and-update + create = move-and-update + return current; + case "local-update": + // move-and-update + update = move-and-update + return current; + case "local-delete": + // move-and-update + delete = delete (from original path) + return { action: "delete", path: current.fromPath }; + case "local-move": + // move-and-update(A->B) + move(B->C) = move-and-update(A->C) + return { + action: "move-and-update", + fromPath: current.fromPath, + toPath: event.toPath + }; + case "remote-update": + // move-and-update + remote-update = move-and-update + return current; + case "remote-delete": + // move-and-update + remote-delete = delete + return { action: "delete", path: current.fromPath }; + } +} + +function coalesceFromRemoteUpdate( + current: { action: "remote-update"; version: DocumentVersionWithoutContent }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // remote-update + create = create (local create wins — will be + // sent to server, which will merge or deconflict) + return { action: "create", path: event.path }; + case "local-update": + // remote-update + update = remote-update (will merge on sync) + return current; + case "local-delete": + // remote-update + local-delete = remote-delete + return { action: "remote-delete", version: current.version }; + case "local-move": + // remote-update + move = remote-update (path change handled separately) + return current; + case "remote-update": + // remote-update + remote-update = remote-update (latest version) + return { action: "remote-update", version: event.version }; + case "remote-delete": + // remote-update + remote-delete = remote-delete + return { action: "remote-delete", version: event.version }; + } +} + +function coalesceFromRemoteDelete( + current: { + action: "remote-delete"; + version: DocumentVersionWithoutContent; + }, + event: SyncEvent +): CoalescedAction { + switch (event.type) { + case "local-create": + // remote-delete + create = create (local create takes precedence — + // the user explicitly created a file; the remote delete was for the + // OLD document, the create is for a NEW one) + return { action: "create", path: event.path }; + case "local-update": + // remote-delete + update = remote-delete + return current; + case "local-delete": + // remote-delete + local-delete = remote-delete + return current; + case "local-move": + // remote-delete + move = remote-delete + return current; + case "remote-update": + // remote-delete + remote-update = remote-update (server changed its mind) + return { action: "remote-update", version: event.version }; + case "remote-delete": + // remote-delete + remote-delete = remote-delete (latest) + return { action: "remote-delete", version: event.version }; + } +} diff --git a/frontend/sync-client/src/sync-operations/syncer.ts b/frontend/sync-client/src/sync-operations/syncer.ts index 71dedd85..8d1f5887 100644 --- a/frontend/sync-client/src/sync-operations/syncer.ts +++ b/frontend/sync-client/src/sync-operations/syncer.ts @@ -1,162 +1,129 @@ -import type { - Database, - DocumentId, - DocumentRecord, - RelativePath -} from "../persistence/database"; -import type { SyncService } from "../services/sync-service"; import type { Logger } from "../tracing/logger"; -import PQueue from "p-queue"; -import { hash } from "../utils/hash"; -import { v4 as uuidv4 } from "uuid"; import type { Settings } from "../persistence/settings"; import type { FileOperations } from "../file-operations/file-operations"; -import { findMatchingFile } from "../utils/find-matching-file"; -import type { UnrestrictedSyncer } from "./unrestricted-syncer"; -import { createPromise } from "../utils/create-promise"; -import { SyncResetError } from "../services/sync-reset-error"; -import { Locks } from "../utils/data-structures/locks"; -import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; import type { WebSocketVaultUpdate } from "../services/types/WebSocketVaultUpdate"; import type { WebSocketManager } from "../services/websocket-manager"; import type { WebSocketClientMessage } from "../services/types/WebSocketClientMessage"; -import { awaitAll } from "../utils/await-all"; -import { EventListeners } from "../utils/data-structures/event-listeners"; +import type { RelativePath } from "../persistence/database"; +import type { VirtualFilesystem } from "../persistence/vfs"; +import type { CoalescedAction } from "./sync-events"; +import type { SyncDeps } from "./sync-actions"; +import { SyncEventQueue } from "./sync-event-queue"; +import { + executeSyncCreate, + executeSyncUpdate, + executeSyncUpdateFull, + executeSyncDelete, + executeRemoteUpdate +} from "./sync-actions"; +import { SyncResetError } from "../errors/sync-reset-error"; +import { hash } from "../utils/hash"; +import type { EventListeners } from "../utils/data-structures/event-listeners"; export class Syncer { - public readonly onRemainingOperationsCountChanged = new EventListeners< + public readonly onRemainingOperationsCountChanged: EventListeners< (remainingOperations: number) => unknown - >(); - - private readonly remoteDocumentsLock: Locks; - - // FIFO to limit the number of concurrent sync operations - private readonly syncQueue: PQueue; + >; private _isFirstSyncComplete = false; - private runningScheduleSyncForOfflineChanges: Promise | undefined; - private previousRemainingOperationsCount = 0; + private runningReconciliation: Promise | undefined; + private readonly eventUnsubscribers: (() => void)[] = []; + private readonly queue: SyncEventQueue; public constructor( private readonly deviceId: string, private readonly logger: Logger, - private readonly database: Database, + private readonly vfs: VirtualFilesystem, private readonly settings: Settings, - private readonly syncService: SyncService, private readonly webSocketManager: WebSocketManager, private readonly operations: FileOperations, - private readonly internalSyncer: UnrestrictedSyncer + private readonly deps: SyncDeps ) { - this.syncQueue = new PQueue({ - concurrency: settings.getSettings().syncConcurrency - }); + this.queue = new SyncEventQueue(this.logger, this.vfs); + this.queue.setExecutor(this.executeAction.bind(this)); - this.remoteDocumentsLock = new Locks(this.logger); + this.onRemainingOperationsCountChanged = + this.queue.onRemainingOperationsCountChanged; - settings.onSettingsChanged.add((newSettings, oldSettings) => { - if (newSettings.syncConcurrency !== oldSettings.syncConcurrency) { - this.syncQueue.concurrency = newSettings.syncConcurrency; - } - }); + this.eventUnsubscribers.push( + this.webSocketManager.onWebSocketStatusChanged.add( + (isConnected) => { + if (isConnected) { + this.sendHandshakeMessage(); + this.queue.clearResetting(); + void this.scheduleSyncForOfflineChanges(); + } else { + this.reset(); + } + } + ) + ); - this.syncQueue.on("active", () => { - if (this.previousRemainingOperationsCount !== this.syncQueue.size) { - this.previousRemainingOperationsCount = this.syncQueue.size; - this.onRemainingOperationsCountChanged.trigger( - this.syncQueue.size - ); - } - }); + this.eventUnsubscribers.push( + this.webSocketManager.onRemoteVaultUpdateReceived.add( + async (message: WebSocketVaultUpdate) => { + // Ensure offline reconciliation is running so that + // local changes are queued before remote updates + try { + await this.scheduleSyncForOfflineChanges(); + } catch (e) { + if (e instanceof SyncResetError) { + this.logger.info( + "Sync reset during remote update processing" + ); + return; + } + this.logger.error( + `Failed to sync remotely updated file: ${e}` + ); + } - this.webSocketManager.onWebSocketStatusChanged.add((isConnected) => { - if (isConnected) { - // The JS WebSocket API doesn't support setting headers, so we have to send the token as a message - this.sendHandshakeMessage(); - } - }); - this.webSocketManager.onRemoteVaultUpdateReceived.add( - this.syncRemotelyUpdatedFile.bind(this) + for (const doc of message.documents) { + this.queue.enqueue( + doc.isDeleted + ? { type: "remote-delete", version: doc } + : { type: "remote-update", version: doc } + ); + } + // Do NOT advance the lastSeenUpdateId watermark here. + // Individual executeAction calls advance it after success + // via vfs.addSeenUpdateId inside the sync-actions functions. + + this._isFirstSyncComplete = true; + } + ) ); } + // ----------------------------------------------------------------------- + // Public API + // ----------------------------------------------------------------------- + public get isFirstSyncComplete(): boolean { return this._isFirstSyncComplete; } + public hasPendingOperationsForDocument(relativePath: string): boolean { + return this.queue.hasPendingEventsFor(relativePath); + } + + public hasOutstandingWork(): boolean { + return ( + this.queue.hasOutstandingWork() || + this.runningReconciliation !== undefined + ); + } + public async syncLocallyCreatedFile( relativePath: RelativePath ): Promise { - if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === false - ) { - this.logger.debug( - `Document ${relativePath} already exists in the database, skipping` - ); - return; - } - - const [promise, resolve, reject] = createPromise(); - - const id = uuidv4(); - const document = this.database.createNewPendingDocument( - id, - relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyCreatedFile(document) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } + this.queue.enqueue({ type: "local-create", path: relativePath }); } public async syncLocallyDeletedFile( relativePath: RelativePath ): Promise { - if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === true - ) { - // This is must be a consequence of us deleting a file because of a remote update - // which triggered a local delete, so we don't need to do anything here. - this.logger.debug( - `Document ${relativePath} has already been markes as deleted, skipping` - ); - return; - } - - // We have to have a record of the delete in case there's an in-flight update for the same - // document which finishes after the delete has succeeded and would introduce a phantom metadata record. - this.database.delete(relativePath); - - const [promise, resolve, reject] = createPromise(); - - const document = await this.database.getResolvedDocumentByRelativePath( - relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyDeletedFile(document) - ); - - resolve(); - - this.database.removeDocument(document); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } + this.queue.enqueue({ type: "local-delete", path: relativePath }); } public async syncLocallyUpdatedFile({ @@ -166,85 +133,51 @@ export class Syncer { oldPath?: RelativePath; relativePath: RelativePath; }): Promise { - if (oldPath !== undefined) { - // We might have moved the document in the database before calling this method, - // in that case, we mustn't move it again. - if ( - this.database.getLatestDocumentByRelativePath(relativePath) === - undefined || - this.database.getLatestDocumentByRelativePath(relativePath) - ?.isDeleted === true - ) { - if (oldPath === relativePath) { - throw new Error( - `Old path and new path are the same: ${oldPath}` - ); + if (oldPath !== undefined && oldPath !== relativePath) { + // Move the VFS record immediately so that a concurrent + // scheduleSyncForOfflineChanges scan sees the metadata at + // the new path and doesn't create a duplicate document. + const doc = this.vfs.getByPath(oldPath); + if (doc !== undefined) { + const existingAtNew = this.vfs.getByPath(relativePath); + if ( + existingAtNew === undefined || + existingAtNew.state === "deleted-locally" + ) { + try { + this.vfs.move(oldPath, relativePath); + } catch { + // Target path occupied — leave it for the executor + } } - - this.database.move(oldPath, relativePath); } - } - let document = - this.database.getLatestDocumentByRelativePath(relativePath); - - if ( - oldPath !== undefined && - document?.metadata?.remoteRelativePath === relativePath - ) { - this.logger.debug( - `Document ${relativePath} has been moved as a result of a remote update, skipping sync` - ); - return; - } - - if (document === undefined) { - this.logger.debug( - `Cannot find document ${relativePath} in the database, skipping` - ); - return; - } - - if (document.isDeleted) { - this.logger.debug( - `Document ${relativePath} has been deleted locally, skipping` - ); - return; - } - - const [promise, resolve, reject] = createPromise(); - - document = await this.database.getResolvedDocumentByRelativePath( - relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncLocallyUpdatedFile({ - oldPath, - document - }) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); + this.queue.enqueue({ + type: "local-move", + fromPath: oldPath, + toPath: relativePath + }); + } else { + this.queue.enqueue({ + type: "local-update", + path: relativePath + }); } } public async scheduleSyncForOfflineChanges(): Promise { - if (this.runningScheduleSyncForOfflineChanges !== undefined) { - this.logger.debug("Uploading local changes is already in progress"); - return this.runningScheduleSyncForOfflineChanges; + if (this.runningReconciliation !== undefined) { + this.logger.debug( + "Uploading local changes is already in progress" + ); + return this.runningReconciliation; } + const promise = this.internalReconcile(); + this.runningReconciliation = promise; + try { - this.runningScheduleSyncForOfflineChanges = - this.internalScheduleSyncForOfflineChanges(); - await this.runningScheduleSyncForOfflineChanges; + await promise; this.logger.info(`All local changes have been applied remotely`); } catch (e) { if (e instanceof SyncResetError) { @@ -258,265 +191,446 @@ export class Syncer { ); throw e; } finally { - this.runningScheduleSyncForOfflineChanges = undefined; + if (this.runningReconciliation === promise) { + this.runningReconciliation = undefined; + } } } public async waitUntilFinished(): Promise { - await this.runningScheduleSyncForOfflineChanges; - await this.syncQueue.onIdle(); // Wait for queue to be empty and running tasks to finish + await this.runningReconciliation; + await this.queue.waitForIdle(); } - public async syncRemotelyUpdatedFile( - message: WebSocketVaultUpdate - ): Promise { - try { - const handlerPromise = awaitAll( - message.documents.map(async (document) => - this.internalSyncRemotelyUpdatedFile(document) - ) - ); - - await handlerPromise; - - if (message.isInitialSync && message.documents.length > 0) { - this.database.setLastSeenUpdateId( - message.documents - .map((document) => document.vaultUpdateId) - .reduce((a, b) => Math.max(a, b)) - ); - } - - this._isFirstSyncComplete = true; - } catch (e) { - this.logger.error(`Failed to sync remotely updated file: ${e}`); - } + /** + * Force a final filesystem scan to catch any operations that were + * silently dropped (e.g., due to mutable document references + * pointing to a moved path). Called by the SyncClient after the + * normal waitUntilFinished completes to ensure eventual consistency. + */ + public async runFinalConsistencyCheck(): Promise { + await this.runningReconciliation; + this.runningReconciliation = undefined; + await this.scheduleSyncForOfflineChanges(); + await this.queue.waitForIdle(); } public reset(): void { this._isFirstSyncComplete = false; - this.syncQueue.clear(); - this.remoteDocumentsLock.reset(); - this.runningScheduleSyncForOfflineChanges = undefined; + this.queue.reset(); + this.runningReconciliation = undefined; } + public destroy(): void { + this.queue.destroy(); + this.eventUnsubscribers.forEach((unsub) => { unsub(); }); + this.eventUnsubscribers.length = 0; + } + + // ----------------------------------------------------------------------- + // Executor — dispatches CoalescedActions to sync-actions functions + // ----------------------------------------------------------------------- + + private async executeAction( + _key: string, + action: CoalescedAction + ): Promise { + switch (action.action) { + case "create": { + const doc = this.vfs.getByPath(action.path); + if (doc === undefined) { + // Create a pending doc in VFS, then sync + const pending = await this.vfs.createPending(action.path); + await executeSyncCreate(this.deps, pending); + } else if (doc.state === "pending") { + await executeSyncCreate(this.deps, doc); + } else if ( + doc.state === "tracked" && + doc.serverVersion === 0 + ) { + // Resolved by resolveIdempotencyKeys but not yet synced. + // parentVersionId 0 is a placeholder — treat as create retry. + this.logger.debug( + `Document ${action.path} has serverVersion 0 from key resolution, retrying sync` + ); + await executeSyncUpdateFull( + this.deps, + doc, + undefined, + false + ); + } else if (doc.state === "tracked") { + // Already tracked — treat as an update instead + this.logger.debug( + `Document ${action.path} already tracked, treating create as update` + ); + await executeSyncUpdate(this.deps, doc); + } + break; + } + + case "update": { + // Try path lookup first; fall back to documentId if + // a concurrent move changed the VFS path after this + // action was queued. + const doc = + this.vfs.getByPath(action.path) ?? + (!_key.startsWith("path:") + ? this.vfs.getByDocumentId(_key) + : undefined); + if (doc === undefined) { + this.logger.debug( + `Cannot find document ${action.path} in VFS, skipping update (will be picked up by next filesystem scan)` + ); + } else if (doc.state === "tracked") { + await executeSyncUpdate(this.deps, doc); + } else if (doc.state === "pending") { + // Pending create, content will be read at sync time + await executeSyncCreate(this.deps, doc); + } + break; + } + + case "delete": { + const doc = this.vfs.getByPath(action.path); + if (doc === undefined) { + this.logger.debug( + `Document ${action.path} has already been removed, skipping delete` + ); + break; + } + + if (doc.state === "pending") { + // Never synced — just remove from VFS + this.vfs.remove(doc); + } else if (doc.state === "tracked") { + // Mark as deleted locally, then sync + const {documentId} = doc; + this.vfs.deleteLocally(action.path); + const deleted = this.vfs.getByDocumentId(documentId); + if ( + deleted?.state === "deleted-locally" + ) { + await executeSyncDelete(this.deps, deleted); + } + } + break; + } + + case "move": + case "move-and-update": { + const doc = this.vfs.getByPath(action.toPath); + if (doc === undefined) { + this.logger.debug( + `Cannot find document at ${action.toPath} after move, skipping` + ); + } else if (doc.state === "tracked") { + await executeSyncUpdate( + this.deps, + doc, + action.fromPath + ); + } else if (doc.state === "pending") { + // Pending create was renamed — retry the create at + // the new path + await executeSyncCreate(this.deps, doc); + } + break; + } + + case "remote-update": + case "remote-delete": { + const doc = this.vfs.getByDocumentId( + action.version.documentId + ); + await executeRemoteUpdate( + this.deps, + action.version, + doc ?? undefined + ); + // addSeenUpdateId is called inside the sync-actions functions + // after each successful operation + break; + } + + case "noop": + break; + } + } + + // ----------------------------------------------------------------------- + // Handshake + // ----------------------------------------------------------------------- + private sendHandshakeMessage(): void { const message: WebSocketClientMessage = { type: "handshake", deviceId: this.deviceId, token: this.settings.getSettings().token, - lastSeenVaultUpdateId: this.database.getLastSeenUpdateId() + lastSeenVaultUpdateId: this.vfs.getLastSeenUpdateId() }; this.webSocketManager.sendHandshakeMessage(message); } - private async internalSyncRemotelyUpdatedFile( - remoteVersion: DocumentVersionWithoutContent - ): Promise { - let document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - - if (document === undefined) { - // Let's avoid the same documents getting created in parallel multiple times. - // There might be multiple tasks waiting for the lock - return this.remoteDocumentsLock.withLock( - remoteVersion.documentId, - async () => { - document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - - // We're either the first one to get the lock, so we have to create the document in `unrestrictedSyncRemotelyUpdatedFile` - if (document === undefined) { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion - ) - ); - } else { - const [promise, resolve, reject] = createPromise(); - - document = - await this.database.getResolvedDocumentByRelativePath( - document.relativePath, - promise - ); - - try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion, - document - ) - ); - - resolve(); - } catch (e) { - reject(e); - } finally { - this.database.removeDocumentPromise(promise); - } - } - - this.database.addSeenUpdateId(remoteVersion.vaultUpdateId); - } - ); - } - - // We're either the first one to get the lock, so we have to create the document in `unrestrictedSyncRemotelyUpdatedFile` - const [promise, resolve, reject] = createPromise(); - - document = await this.database.getResolvedDocumentByRelativePath( - document.relativePath, - promise - ); + // ----------------------------------------------------------------------- + // Offline reconciliation + // ----------------------------------------------------------------------- + private async internalReconcile(): Promise { + // Pause the event queue during reconciliation to prevent races + // between resolveIdempotencyKeys (which transitions pending→tracked) + // and queued create operations (which expect pending docs). + // Wait for any currently running operation to finish first. + this.queue.pause(); + await this.queue.waitForIdle(); try { - await this.syncQueue.add(async () => - this.internalSyncer.unrestrictedSyncRemotelyUpdatedFile( - remoteVersion, - document - ) - ); - - resolve(); - } catch (e) { - reject(e); + await this.internalReconcileInner(); } finally { - this.database.removeDocumentPromise(promise); + this.queue.resume(); } - - this.database.addSeenUpdateId(remoteVersion.vaultUpdateId); } - private async internalScheduleSyncForOfflineChanges(): Promise { - await this.createFakeDocumentsFromRemoteState(); + private async internalReconcileInner(): Promise { + // 1. Resolve idempotency keys for pending creates + await this.resolveIdempotencyKeys(); - const allLocalFiles = await this.operations.listFilesRecursively(); + // 2. Clean up orphaned pending documents: metadata === undefined + // (never synced) and local file no longer exists (user deleted + // before sync, then app crashed). Since they were never synced, + // there's nothing to delete on the server — just remove from VFS. + for (const pendingDoc of this.vfs.pendingDocuments()) { + if (!(await this.operations.exists(pendingDoc.relativePath))) { + this.logger.info( + `Removing orphaned pending document at ${pendingDoc.relativePath} — file no longer exists and was never synced` + ); + this.vfs.remove(pendingDoc); + } + } + + // 3. Scan filesystem and reconcile with VFS + const allLocalFiles = + await this.operations.listFilesRecursively(); this.logger.info( `Scheduling sync for ${allLocalFiles.length} local files` ); - let locallyPossiblyDeletedFiles: DocumentRecord[] = []; + const result = await this.vfs.reconcileWithDisk( + allLocalFiles, + async (path) => { + try { + // Bail out if a reset happened + if (!this.queue.hasOutstandingWork()) { + // Not resetting, proceed + } - for (const document of this.database.resolvedDocuments) { - if ( - !document.isDeleted && - !(await this.operations.exists(document.relativePath)) - ) { - locallyPossiblyDeletedFiles.push(document); + const sizeInBytes = + await this.operations.getFileSize(path); + const sizeInMB = Math.ceil(sizeInBytes / 1024 / 1024); + const { maxFileSizeMB } = + this.settings.getSettings(); + if (sizeInMB > maxFileSizeMB) { + return undefined; + } + + const contentBytes = + await this.operations.read(path); + return hash(contentBytes); + } catch (e) { + if (e instanceof SyncResetError) { + throw e; + } + if ( + e instanceof Error && + e.name === "FileNotFoundError" + ) { + return undefined; + } + this.logger.warn( + `Skipping file ${path} due to read error: ${e}` + ); + return undefined; + } + } + ); + + // 4. Apply moves to VFS and enqueue move events + for (const moved of result.movedFiles) { + const oldPath = moved.document.relativePath; + try { + this.vfs.move(oldPath, moved.newPath); + } catch { + // Target path occupied — skip this move + this.logger.info( + `Cannot move document from ${oldPath} to ${moved.newPath} — path is occupied` + ); + continue; + } + this.queue.enqueue({ + type: "local-move", + fromPath: oldPath, + toPath: moved.newPath + }); + } + + // 5. Enqueue interrupted deletes (marked deleted locally but + // server-side delete never completed) + for (const deletedDoc of this.vfs.deletedLocallyDocuments()) { + if (!(await this.operations.exists(deletedDoc.relativePath))) { + this.logger.debug( + `Document ${deletedDoc.relativePath} had an interrupted delete, retrying server-side delete` + ); + // Enqueue as a remote-delete since the doc is already + // in deleted-locally state — the executor will call + // executeSyncDelete directly. + this.queue.enqueue({ + type: "local-delete", + path: deletedDoc.relativePath + }); } } - await awaitAll( - allLocalFiles.map(async (relativePath) => { + // 6. Enqueue updates for modified files + for (const modified of result.modifiedFiles) { + this.logger.debug( + `Document ${modified.path} might have been updated locally, scheduling sync` + ); + this.queue.enqueue({ + type: "local-update", + path: modified.path + }); + } + + // 7. Enqueue creates for new files. + // Before scheduling a create, check if the content already exists + // in a tracked document whose file is also on disk (duplicate + // detection for ensureClearPath displacements). + for (const newFile of result.newFiles) { + let shouldSkip = false; + + // Duplicate content detection + try { + const contentBytes = await this.operations.read(newFile); + const contentHash = hash(contentBytes); + const trackedDocs = this.vfs.trackedDocuments(); + const duplicateDoc = trackedDocs.find( + (doc) => + doc.localHash === contentHash && + doc.relativePath !== newFile + ); if ( - this.database.getLatestDocumentByRelativePath(relativePath) - ?.metadata !== undefined + duplicateDoc !== undefined && + (await this.operations.exists(duplicateDoc.relativePath)) ) { - this.logger.debug( - `Document ${relativePath} might have been updated locally, scheduling sync to validate and update it` + this.logger.info( + `File at ${newFile} has same content as tracked document at ${duplicateDoc.relativePath}, deleting duplicate` ); - - return this.syncLocallyUpdatedFile({ - relativePath - }); + await this.operations.delete(newFile); + shouldSkip = true; } + } catch { + // File may have been deleted or unreadable — proceed with create + } - // Perhaps the file has been moved; let's check by looking at the deleted files - const contentHash = await this.syncQueue.add(async () => { - const contentBytes = - await this.operations.read(relativePath); // this can throw FileNotFoundError - return hash(contentBytes); + if (!shouldSkip) { + this.logger.debug( + `Document ${newFile} not found in VFS, scheduling sync to create it` + ); + this.queue.enqueue({ + type: "local-create", + path: newFile }); + } + } - if (contentHash == undefined) { - // The file was deleted before we had a chance to read it, no need to sync it here - return; - } - - const originalFile = findMatchingFile( - contentHash, - locallyPossiblyDeletedFiles - ); - if (originalFile !== undefined) { - // `originalFile` hasn't been deleted but it got moved instead - /* eslint-disable no-restricted-syntax -- Comparing by property, not direct equality */ - locallyPossiblyDeletedFiles = - locallyPossiblyDeletedFiles.filter( - (item) => - item.relativePath !== originalFile.relativePath - ); - /* eslint-enable no-restricted-syntax */ - - this.logger.debug( - `Document '${originalFile.relativePath}' was not found under its current path in the database but was found under a different path (${relativePath}), scheduling sync to move it` - ); - - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyUpdatedFile({ - oldPath: originalFile.relativePath, - relativePath - }); - } + // 8. Enqueue deletes for missing files AFTER creates so that + // creates can adopt deleted docs via server-side merge. + for (const missing of result.missingFiles) { + // Skip deleted-locally docs (already handled above) + if (missing.state === "deleted-locally") { + continue; + } + // Re-check if the file reappeared (e.g., re-created by a + // concurrent sync operation) + if (await this.operations.exists(missing.relativePath)) { this.logger.debug( - `Document ${relativePath} not found in database, scheduling sync to create it` + `Document ${missing.relativePath} reappeared on disk, skipping delete` ); - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyCreatedFile(relativePath); - }) - ); + continue; + } - // this has to happen strictly after the previous awaitAll, as that one - // might have removed some of the documents from the list - await awaitAll( - locallyPossiblyDeletedFiles.map(async ({ relativePath }) => { + // Re-check if the document is still in the VFS (it may have + // been adopted by a concurrent create operation) + if (!this.vfs.contains(missing)) { this.logger.debug( - `Document ${relativePath} has been deleted locally, scheduling sync to delete it` + `Document ${missing.relativePath} was adopted by a create, skipping delete` ); + continue; + } - // We're outside of the pqueue, so we need to call the public wrapper - return this.syncLocallyDeletedFile(relativePath); - }) - ); + this.logger.debug( + `Document ${missing.relativePath} has been deleted locally, scheduling sync to delete it` + ); + this.queue.enqueue({ + type: "local-delete", + path: missing.relativePath + }); + } + + this._isFirstSyncComplete = true; } - /** - * Create fake documents in the database for all files that are present locally - * and also exist remotely. This will stop the subequent syncs from duplicating - * the documents by creating the same documents from multiple clients. - */ - private async createFakeDocumentsFromRemoteState(): Promise { - if (this.database.getHasInitialSyncCompleted()) { + // ----------------------------------------------------------------------- + // Idempotency key resolution + // ----------------------------------------------------------------------- + + private async resolveIdempotencyKeys(): Promise { + const pending = this.vfs.pendingDocuments(); + if (pending.length === 0) { return; } - const [allLocalFiles, remote] = await awaitAll([ - this.operations.listFilesRecursively(), - this.syncQueue.add(async () => this.syncService.getAll()) - ]); + const keys = pending.map((d) => d.idempotencyKey); - if (remote !== undefined) { - remote.latestDocuments - .filter( - (remoteDocument) => - allLocalFiles.includes(remoteDocument.relativePath) && - !remoteDocument.isDeleted && - this.database.getDocumentByDocumentId( - remoteDocument.documentId - ) === undefined - ) - .forEach((remoteDocument) => { - this.database.createNewEmptyDocument( - remoteDocument.documentId, - remoteDocument.vaultUpdateId, - remoteDocument.relativePath - ); - }); + this.logger.debug( + `Resolving ${keys.length} pending idempotency keys` + ); + + const resolved = + await this.deps.syncService.resolveIdempotencyKeys(keys); + + for (const doc of pending) { + const documentId = resolved.get(doc.idempotencyKey); + if (documentId === undefined) continue; + + // Check if document was removed by a concurrent operation + if (!this.vfs.contains(doc)) { + this.logger.info( + `Pending doc at ${doc.relativePath} was removed during key resolution, skipping` + ); + continue; + } + + // Skip if this documentId is already assigned to another document + const existing = this.vfs.getByDocumentId(documentId); + if (existing !== undefined) { + this.logger.debug( + `Document ${documentId} already exists at ${existing.relativePath}, removing stale pending doc at ${doc.relativePath}` + ); + this.vfs.remove(doc); + continue; + } + + this.logger.info( + `Resolved idempotency key ${doc.idempotencyKey} to document ${documentId} for ${doc.relativePath}` + ); + this.vfs.assignDocumentId(doc.idempotencyKey, documentId); + + // Migrate the event queue key from path-based to documentId + this.queue.migrateKey( + "path:" + doc.relativePath, + documentId + ); } - - this.database.setHasInitialSyncCompleted(true); } } diff --git a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts b/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts deleted file mode 100644 index e3964d30..00000000 --- a/frontend/sync-client/src/sync-operations/unrestricted-syncer.ts +++ /dev/null @@ -1,596 +0,0 @@ -import type { - Database, - DocumentRecord, - RelativePath -} from "../persistence/database"; - -import { diff } from "reconcile-text"; -import type { SyncService } from "../services/sync-service"; -import type { Logger } from "../tracing/logger"; -import type { - CommonHistoryEntry, - SyncCreateDetails, - SyncDeleteDetails, - SyncDetails, - SyncHistory, - SyncMovedDetails, - SyncUpdateDetails -} from "../tracing/sync-history"; -import { SyncStatus, SyncType } from "../tracing/sync-history"; -import { EMPTY_HASH, hash } from "../utils/hash"; - -import { base64ToBytes } from "byte-base64"; -import type { Settings } from "../persistence/settings"; -import type { FileOperations } from "../file-operations/file-operations"; -import { createPromise } from "../utils/create-promise"; -import { FileNotFoundError } from "../file-operations/file-not-found-error"; -import { SyncResetError } from "../services/sync-reset-error"; -import { globsToRegexes } from "../utils/globs-to-regexes"; -import type { DocumentVersion } from "../services/types/DocumentVersion"; -import type { DocumentUpdateResponse } from "../services/types/DocumentUpdateResponse"; -import type { DocumentVersionWithoutContent } from "../services/types/DocumentVersionWithoutContent"; -import type { FixedSizeDocumentCache } from "../utils/data-structures/fix-sized-cache"; -import { isFileTypeMergable } from "../utils/is-file-type-mergable"; -import { isBinary } from "../utils/is-binary"; -import type { ServerConfig } from "../services/server-config"; - -export class UnrestrictedSyncer { - private ignorePatterns: RegExp[]; - - public constructor( - private readonly logger: Logger, - private readonly database: Database, - private readonly settings: Settings, - private readonly syncService: SyncService, - private readonly operations: FileOperations, - private readonly history: SyncHistory, - private readonly contentCache: FixedSizeDocumentCache, - private readonly serverConfig: ServerConfig - ) { - this.ignorePatterns = globsToRegexes( - this.settings.getSettings().ignorePatterns, - this.logger - ); - - this.settings.onSettingsChanged.add((newSettings) => { - this.ignorePatterns = globsToRegexes( - newSettings.ignorePatterns, - this.logger - ); - }); - } - - public async unrestrictedSyncLocallyCreatedFile( - document: DocumentRecord - ): Promise { - const updateDetails: SyncCreateDetails = { - type: SyncType.CREATE, - relativePath: document.relativePath - }; - - return this.executeSync(updateDetails, async () => { - const originalRelativePath = document.relativePath; - if (document.isDeleted) { - this.logger.debug( - `Document ${originalRelativePath} has been already deleted, no need to create it` - ); - return; - } - - const contentBytes = - await this.operations.read(originalRelativePath); // this can throw FileNotFoundError - const contentHash = hash(contentBytes); - - const response = await this.syncService.create({ - documentId: document.documentId, - relativePath: originalRelativePath, - contentBytes - }); - - // In case a document with the same name (but different ID) had existed remotely that we haven't known about - if (response.relativePath != originalRelativePath) { - this.logger.debug( - `Document ${originalRelativePath} has been created remotely at a different path: ${response.relativePath}, moving it locally` - ); - await this.operations.move( - document.relativePath, - response.relativePath - ); // this can throw FileNotFoundError - } - - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - - this.database.addSeenUpdateId(response.vaultUpdateId); - await this.updateCache( - response.vaultUpdateId, - contentBytes, - response.relativePath - ); - - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully uploaded locally created file` - }); - }); - } - - public async unrestrictedSyncLocallyDeletedFile( - document: DocumentRecord - ): Promise { - const updateDetails: SyncDeleteDetails = { - type: SyncType.DELETE, - relativePath: document.relativePath - }; - - await this.executeSync(updateDetails, async () => { - const response = await this.syncService.delete({ - documentId: document.documentId, - relativePath: document.relativePath - }); - - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: EMPTY_HASH, - remoteRelativePath: document.relativePath - }, - document - ); - - this.database.addSeenUpdateId(response.vaultUpdateId); - - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully deleted locally deleted file on the server`, - author: response.userId - }); - }); - } - - public async unrestrictedSyncLocallyUpdatedFile({ - oldPath, - document, - // We use the same code path for both local and remote updates. We need to force the update - // if there are no local changes but we know that the remote version is newer. - force = false - }: { - oldPath?: RelativePath; - force?: boolean; - document: DocumentRecord; - }): Promise { - const updateDetails: SyncUpdateDetails | SyncMovedDetails = - oldPath !== undefined - ? { - type: SyncType.MOVE, - relativePath: document.relativePath, - movedFrom: oldPath - } - : { - type: SyncType.UPDATE, - relativePath: document.relativePath - }; - - await this.executeSync(updateDetails, async () => { - const originalRelativePath = document.relativePath; - - if (document.isDeleted || document.metadata === undefined) { - this.logger.debug( - `Document ${document.relativePath} has been already deleted, no need to update it` - ); - return; - } - - const contentBytes = await this.operations.read( - document.relativePath - ); // this can throw FileNotFoundError - let contentHash = hash(contentBytes); - - const areThereLocalChanges = !( - document.metadata.hash === contentHash && oldPath === undefined - ); - - let response: DocumentVersion | DocumentUpdateResponse | undefined = - undefined; - - if (areThereLocalChanges) { - const isText = - !isBinary(contentBytes) && - isFileTypeMergable( - document.relativePath, - (await this.serverConfig.getConfig()) - .mergeableFileExtensions - ); - const cachedVersion = this.contentCache.get( - document.metadata.parentVersionId - ); - - response = - isText && cachedVersion !== undefined - ? await this.syncService.putText({ - documentId: document.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - content: diff( - new TextDecoder().decode(cachedVersion), - new TextDecoder().decode(contentBytes) - ) - }) - : await this.syncService.putBinary({ - documentId: document.documentId, - parentVersionId: - document.metadata.parentVersionId, - relativePath: document.relativePath, - contentBytes - }); - } else { - if (!force) { - this.logger.debug( - `File hash of ${document.relativePath} matches with last synced version and the path hasn't changed; no need to sync` - ); - return; - } - - response = await this.syncService.get({ - documentId: document.documentId - }); - } - - // `document` is mutable and reflects the latest state in the local database - // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition - if (document.isDeleted) { - this.logger.info( - `Document ${document.relativePath} has been deleted before we could finish updating it` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); - return; - } - - if ( - // `Syncer` creates fake local document metadata for all remote docs with invalid hashes. The parent IDs will likely match - // the latest versions so we still need to update the local versions to turn the fakes into real metadata. - document.metadata.parentVersionId > response.vaultUpdateId - ) { - this.logger.debug( - `Document ${document.relativePath} is already more up to date than the fetched version` - ); - this.database.addSeenUpdateId(response.vaultUpdateId); // in case the previous `vaultUpdateId` update hasn't made it through - return; - } - - if (response.isDeleted) { - return this.applyRemoteDeleteLocally(document, response); - } - - let actualPath = document.relativePath; - - if (response.relativePath != originalRelativePath) { - actualPath = response.relativePath; - // Make sure to update the remote relative path to avoid uploading - // the file as a result of this filesystem event. - document.metadata.remoteRelativePath = response.relativePath; - await this.operations.move( - document.relativePath, - response.relativePath - ); // this can throw FileNotFoundError - } - - if (!("type" in response) || response.type === "MergingUpdate") { - const responseBytes = base64ToBytes(response.contentBase64); - contentHash = hash(responseBytes); - - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - await this.operations.write( - actualPath, - contentBytes, - responseBytes - ); - await this.updateCache( - response.vaultUpdateId, - responseBytes, - actualPath - ); - - if (!force) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `The file we updated had been updated remotely, so we downloaded the merged version` - }); - } - } else { - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: contentHash, - remoteRelativePath: response.relativePath - }, - document - ); - await this.updateCache( - response.vaultUpdateId, - contentBytes, - actualPath - ); - } - - this.database.addSeenUpdateId(response.vaultUpdateId); - - const actualUpdateDetails: SyncUpdateDetails | SyncMovedDetails = - oldPath !== undefined || - response.relativePath != originalRelativePath - ? { - type: SyncType.MOVE, - relativePath: response.relativePath, - movedFrom: originalRelativePath - } - : { - type: SyncType.UPDATE, - relativePath: response.relativePath - }; - - if (areThereLocalChanges) { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: actualUpdateDetails, - message: `Successfully uploaded locally updated file to the server`, - author: response.userId - }); - } else { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: actualUpdateDetails, - message: `Successfully downloaded remotely updated file from the server`, - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - } - }); - } - - public async unrestrictedSyncRemotelyUpdatedFile( - remoteVersion: DocumentVersionWithoutContent, - document?: DocumentRecord - ): Promise { - const updateDetails: SyncCreateDetails = { - type: SyncType.CREATE, - relativePath: remoteVersion.relativePath - }; - - await this.executeSync(updateDetails, async () => { - if (document?.metadata !== undefined) { - // If the file exists locally, let's pretend the user has updated it - // and deal with remote update/deletion within `unrestrictedSyncLocallyUpdatedFile` - if ( - document.metadata.parentVersionId >= - remoteVersion.vaultUpdateId - ) { - this.logger.debug( - `Document ${remoteVersion.relativePath} is already at least as up to date as the fetched version` - ); - - return; - } - - return this.unrestrictedSyncLocallyUpdatedFile({ - document, - force: true - }); - } else if (remoteVersion.isDeleted) { - // Either the document hasn't made it to us before and therefore we don't need to delete it, - // or we already have it, in which case the preceeding if would've dealt with it - this.logger.debug( - `Document ${remoteVersion.relativePath} has been deleted remotely, no need to sync` - ); - return; - } - - // Don't download oversized files - const historyEntryForSkippedOversizedFile = - this.getHistoryEntryForSkippedOversizedFile( - remoteVersion.contentSize, - remoteVersion.relativePath - ); - if (historyEntryForSkippedOversizedFile !== undefined) { - this.history.addHistoryEntry( - historyEntryForSkippedOversizedFile - ); - return; - } - - const contentBytes = - await this.syncService.getDocumentVersionContent({ - documentId: remoteVersion.documentId, - vaultUpdateId: remoteVersion.vaultUpdateId - }); - - // We're trying to create an entirely new document that didn't exist locally - document = this.database.getDocumentByDocumentId( - remoteVersion.documentId - ); - // It can happen that a concurrent sync operation has already created the document, so we can bail here - if (document !== undefined) { - this.logger.debug( - `Document ${remoteVersion.relativePath} has already been created locally, no need to create it again` - ); - return; - } - - await this.operations.ensureClearPath(remoteVersion.relativePath); - - const [promise, resolve] = createPromise(); - this.database.updateDocumentMetadata( - { - parentVersionId: remoteVersion.vaultUpdateId, - hash: hash(contentBytes), - remoteRelativePath: remoteVersion.relativePath - }, - this.database.createNewPendingDocument( - remoteVersion.documentId, - remoteVersion.relativePath, - promise - ) - ); - - await this.operations.create( - remoteVersion.relativePath, - contentBytes - ); - await this.updateCache( - remoteVersion.vaultUpdateId, - contentBytes, - remoteVersion.relativePath - ); - - resolve(); - this.database.removeDocumentPromise(promise); - - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: updateDetails, - message: `Successfully downloaded remote file which hadn't existed locally`, - author: remoteVersion.userId, - timestamp: new Date(remoteVersion.updatedDate) - }); - }); - } - - public async executeSync( - details: SyncDetails, - fn: () => Promise - ): Promise { - for (const pattern of this.ignorePatterns) { - if (pattern.test(details.relativePath)) { - this.logger.debug( - `File '${details.relativePath}' is ignored by the ignore pattern: ${pattern}` - ); - return; // bail without SKIPPED status because we were told to ignore this file and we shouldn't clutter up the history - } - } - - try { - // Only check the size of files which already exist locally. - if (await this.operations.exists(details.relativePath)) { - const sizeInBytes = await this.operations.getFileSize( - details.relativePath - ); - const historyEntryForSkippedOversizedFile = - this.getHistoryEntryForSkippedOversizedFile( - sizeInBytes, - details.relativePath - ); - if (historyEntryForSkippedOversizedFile !== undefined) { - this.history.addHistoryEntry( - historyEntryForSkippedOversizedFile - ); - return; - } - } - - return await fn(); - } catch (e) { - if (e instanceof FileNotFoundError) { - // A subsequent sync operation must have been creating to deal with this - this.logger.info( - `Skiping file '${details.relativePath}' because it no longer exists when trying to ${details.type.toLocaleLowerCase()} it` - ); - return; - } - if (e instanceof SyncResetError) { - this.logger.info( - `Interrupting sync operation because of a reset` - ); - return; - } else { - this.history.addHistoryEntry({ - status: SyncStatus.ERROR, - details, - message: `Failed to sync file '${details.relativePath}' because of ${e} when trying to ${details.type.toLocaleLowerCase()} it` - }); - throw e; - } - } - } - - private getHistoryEntryForSkippedOversizedFile( - sizeInBytes: number, - relativePath: RelativePath - ): CommonHistoryEntry | undefined { - const sizeInMB = Math.round(sizeInBytes / 1024 / 1024); - const { maxFileSizeMB } = this.settings.getSettings(); - if (sizeInMB > maxFileSizeMB) { - return { - status: SyncStatus.SKIPPED, - details: { - type: SyncType.SKIPPED, - relativePath - }, - message: `File size of ${sizeInMB} MB exceeds the maximum file size limit of ${ - maxFileSizeMB - } MB` - }; - } - } - - private async updateCache( - updateId: number, - contentBytes: Uint8Array, - filePath: RelativePath - ): Promise { - if ( - isFileTypeMergable( - filePath, - (await this.serverConfig.getConfig()).mergeableFileExtensions - ) && - !isBinary(contentBytes) - ) { - this.contentCache.put(updateId, contentBytes); - } - } - - private async applyRemoteDeleteLocally( - document: DocumentRecord, - response: DocumentVersion | DocumentUpdateResponse - ): Promise { - this.history.addHistoryEntry({ - status: SyncStatus.SUCCESS, - details: { - type: SyncType.DELETE, - relativePath: document.relativePath - }, - message: "File has been deleted remotely, so we deleted it locally", - author: response.userId, - timestamp: new Date(response.updatedDate) - }); - - this.database.delete(document.relativePath); - this.database.updateDocumentMetadata( - { - parentVersionId: response.vaultUpdateId, - hash: EMPTY_HASH, - remoteRelativePath: response.relativePath - }, - document - ); - - await this.operations.delete(document.relativePath); - - this.database.addSeenUpdateId(response.vaultUpdateId); - } -} diff --git a/frontend/sync-client/src/tracing/sync-history.ts b/frontend/sync-client/src/tracing/sync-history.ts index 31f77283..a0e0b348 100644 --- a/frontend/sync-client/src/tracing/sync-history.ts +++ b/frontend/sync-client/src/tracing/sync-history.ts @@ -88,11 +88,11 @@ export class SyncHistory { } /** - * Insert the entry at the beginning of the history list. If the entry - * already in the list, it will get moved to the beginning and updated. - * - * If the entry list is too long, the oldest entry will be removed. - */ + * Insert the entry at the beginning of the history list. If the entry + * already in the list, it will get moved to the beginning and updated. + * + * If the entry list is too long, the oldest entry will be removed. + */ public addHistoryEntry(entry: CommonHistoryEntry): void { const historyEntry = { ...entry, diff --git a/frontend/sync-client/src/utils/await-all.ts b/frontend/sync-client/src/utils/await-all.ts index 9406a6b8..43e06ce6 100644 --- a/frontend/sync-client/src/utils/await-all.ts +++ b/frontend/sync-client/src/utils/await-all.ts @@ -9,7 +9,7 @@ type ResolvedTuple = { export const awaitAll = async ( promises: PromiseTuple ): Promise> => { - // eslint-disable-next-line no-restricted-properties + // eslint-disable-next-line no-restricted-properties, @typescript-eslint/await-thenable const result = await Promise.allSettled(promises); for (const res of result) { if (res.status === "rejected") { diff --git a/frontend/sync-client/src/utils/create-client-id.ts b/frontend/sync-client/src/utils/create-client-id.ts index cfa132da..03dc2ae9 100644 --- a/frontend/sync-client/src/utils/create-client-id.ts +++ b/frontend/sync-client/src/utils/create-client-id.ts @@ -1,5 +1,3 @@ -import { v4 as uuidv4 } from "uuid"; - export function createClientId(): string { // @ts-expect-error, injected by webpack const packageVersion = __CURRENT_VERSION__; // eslint-disable-line @@ -8,8 +6,8 @@ export function createClientId(): string { typeof navigator !== "undefined" ? navigator.platform // eslint-disable-line @typescript-eslint/no-deprecated : typeof process !== "undefined" - ? process.platform - : "unknown"; + ? process.platform + : "unknown"; - return `vault-link/${packageVersion} (${uuidv4()}; ${platform})`; + return `vault-link/${packageVersion} (${Math.round(Math.random() * 1e10)}; ${platform})`; } diff --git a/frontend/sync-client/src/utils/data-structures/event-listeners.ts b/frontend/sync-client/src/utils/data-structures/event-listeners.ts index e08ca65e..8b9a08e9 100644 --- a/frontend/sync-client/src/utils/data-structures/event-listeners.ts +++ b/frontend/sync-client/src/utils/data-structures/event-listeners.ts @@ -13,32 +13,32 @@ export class EventListeners any> { } /** - * Adds a new listener to the collection. - * - * @param listener The listener callback to add - * @returns An unsubscribe function that removes this listener when called - */ + * Adds a new listener to the collection. + * + * @param listener The listener callback to add + * @returns An unsubscribe function that removes this listener when called + */ public add(listener: TListener): () => void { this.listeners.push(listener); return () => this.remove(listener); } /** - * Removes a listener from the collection. - * - * @param listener The listener callback to remove - * @returns true if the listener was found and removed, false otherwise - */ + * Removes a listener from the collection. + * + * @param listener The listener callback to remove + * @returns true if the listener was found and removed, false otherwise + */ public remove(listener: TListener): boolean { return removeFromArray(this.listeners, listener); } /** - * Triggers all listeners synchronously with the provided arguments. - * Any returned promises are ignored. Use triggerAsync() to await them. - * - * @param args The arguments to pass to each listener - */ + * Triggers all listeners synchronously with the provided arguments. + * Any returned promises are ignored. Use triggerAsync() to await them. + * + * @param args The arguments to pass to each listener + */ public trigger(...args: Parameters): void { this.listeners.forEach((listener) => { listener(...args); @@ -46,12 +46,12 @@ export class EventListeners any> { } /** - * Triggers all listeners and awaits any promises they return. - * Synchronous listeners are called immediately, and any async listeners - * are awaited in parallel. - * - * @param args The arguments to pass to each listener - */ + * Triggers all listeners and awaits any promises they return. + * Synchronous listeners are called immediately, and any async listeners + * are awaited in parallel. + * + * @param args The arguments to pass to each listener + */ public async triggerAsync(...args: Parameters): Promise { await awaitAll( this.listeners diff --git a/frontend/sync-client/src/utils/data-structures/locks.test.ts b/frontend/sync-client/src/utils/data-structures/locks.test.ts index 9beb867a..1ea633cc 100644 --- a/frontend/sync-client/src/utils/data-structures/locks.test.ts +++ b/frontend/sync-client/src/utils/data-structures/locks.test.ts @@ -5,18 +5,20 @@ import type { RelativePath } from "../../persistence/database"; import { Locks } from "./locks"; import { awaitAll } from "../await-all"; import { sleep } from "../sleep"; -import { SyncResetError } from "../../services/sync-reset-error"; +import { SyncResetError } from "../../errors/sync-reset-error"; describe("withLock", () => { const testPath: RelativePath = "test/document/path"; const testPath2: RelativePath = "test/document/path2"; + const testPath3: RelativePath = "test/document/path3"; + const logger = new Logger(); // eslint-disable-next-line @typescript-eslint/init-declarations let locks: Locks; beforeEach(() => { - locks = new Locks(logger); + locks = new Locks("locks-test", logger); }); it("should execute function with single key lock", async () => { @@ -56,22 +58,32 @@ describe("withLock", () => { it("should sort multiple keys to prevent deadlocks", async () => { const executionOrder: string[] = []; - // Start two concurrent operations with keys in different orders - const promise1 = locks.withLock([testPath2, testPath], async () => { - executionOrder.push("operation1-start"); - await sleep(50); - executionOrder.push("operation1-end"); - return "result1"; - }); + await locks.waitForLock(testPath); - const promise2 = locks.withLock([testPath, testPath2], async () => { - executionOrder.push("operation2-start"); - await sleep(50); - executionOrder.push("operation2-end"); - return "result2"; - }); + const promise = awaitAll([ + locks.withLock([testPath2, testPath3, testPath], async () => { + executionOrder.push("operation1-start"); + executionOrder.push("operation1-end"); + return "result1"; + }), - const [result1, result2] = await awaitAll([promise1, promise2]); + locks.withLock([testPath3, testPath, testPath2], async () => { + executionOrder.push("operation2-start"); + executionOrder.push("operation2-end"); + return "result2"; + }) + ]); + + locks.unlock(testPath); + + const [result1, result2] = await Promise.race([ + promise, + new Promise((_, reject) => { + setTimeout(() => { + reject(new Error("Deadlock detected")); + }, 1000); + }) + ]); assert.strictEqual(result1, "result1"); assert.strictEqual(result2, "result2"); @@ -234,13 +246,14 @@ describe("withLock", () => { describe("reset", () => { const testPath: RelativePath = "test/document/path"; + const testPath2: RelativePath = "test/document/path2"; const logger = new Logger(); // eslint-disable-next-line @typescript-eslint/init-declarations let locks: Locks; beforeEach(() => { - locks = new Locks(logger); + locks = new Locks("locks-test", logger); }); it("should reject pending waiters with SyncResetError while running operation completes", async () => { @@ -252,7 +265,7 @@ describe("reset", () => { await sleep(1); const secondPromise = locks.withLock(testPath, async () => "second"); - void secondPromise.catch(() => {}); // eslint-disable-line @typescript-eslint/no-empty-function + void secondPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function locks.reset(); @@ -273,7 +286,7 @@ describe("reset", () => { await sleep(1); const secondPromise = locks.withLock(testPath, async () => "second"); - void secondPromise.catch(() => {}); // eslint-disable-line @typescript-eslint/no-empty-function + void secondPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function locks.reset(); @@ -289,4 +302,38 @@ describe("reset", () => { const result = await locks.withLock(testPath, () => "success"); assert.strictEqual(result, "success"); }); + + it("should release partially acquired locks when reset interrupts multi-key acquisition", async () => { + // Hold testPath2 so multi-key acquisition will block on it + await locks.waitForLock(testPath2); + + // Start multi-key lock that will acquire testPath first, then block on testPath2 + const multiKeyPromise = locks.withLock( + [testPath, testPath2], + async () => "multi" + ); + void multiKeyPromise.catch(() => { }); // eslint-disable-line @typescript-eslint/no-empty-function + + // Wait for the multi-key operation to acquire testPath and start waiting on testPath2 + await sleep(10); + + // Reset should reject the waiting operation + locks.reset(); + + await assert.rejects(multiKeyPromise, (err: Error) => { + assert.ok(err instanceof SyncResetError); + return true; + }); + + // The key that was already acquired (testPath) should now be released + // This would hang/timeout if the lock was leaked + const result = await Promise.race([ + locks.withLock(testPath, () => "success"), + sleep(100).then(() => { + throw new Error("Lock was not released - deadlock detected"); + }) + ]); + + assert.strictEqual(result, "success"); + }); }); diff --git a/frontend/sync-client/src/utils/data-structures/locks.ts b/frontend/sync-client/src/utils/data-structures/locks.ts index e55c76b0..2945ff5e 100644 --- a/frontend/sync-client/src/utils/data-structures/locks.ts +++ b/frontend/sync-client/src/utils/data-structures/locks.ts @@ -1,6 +1,5 @@ -import { SyncResetError } from "../../services/sync-reset-error"; +import { SyncResetError } from "../../errors/sync-reset-error"; import type { Logger } from "../../tracing/logger"; -import { awaitAll } from "../await-all"; /** * Manages exclusive locks on items to prevent concurrent modifications. @@ -8,47 +7,50 @@ import { awaitAll } from "../await-all"; * * @template T The type of the key used for locking */ +/** Waiter entry with callbacks */ +interface WaiterEntry { + resolve: () => unknown; + reject: (err: unknown) => unknown; +} + export class Locks { /** Currently locked keys */ private readonly locked = new Set(); - /** Queue of resolve functions waiting for each key */ - private readonly waiters = new Map< - T, - [() => unknown, (err: unknown) => unknown][] - >(); + /** Queue of waiters for each key */ + private readonly waiters = new Map[]>(); - public constructor(private readonly logger?: Logger) {} + public constructor(private readonly name: string, private readonly logger?: Logger) { } /** - * Executes a function while holding exclusive locks on one or more keys. - * - * This method ensures that the provided function runs with exclusive access to the - * specified key(s). Multiple keys are sorted to prevent deadlocks when different - * operations request the same keys in different orders. - * - * @template R The return type of the function to execute - * @param keyOrKeys A single key or array of keys to lock during function execution - * @param fn The function to execute while holding the lock(s). Can be sync or async. - * @returns A Promise that resolves to the return value of the executed function - * - * @example - * ```typescript - * // Lock a single key - * const result = await locks.withLock('file1', () => { - * // Critical section - only one operation can access 'file1' at a time - * return processFile('file1'); - * }); - * - * // Lock multiple keys (prevents deadlocks through consistent ordering) - * await locks.withLock(['file1', 'file2'], async () => { - * // Critical section - exclusive access to both files - * await moveFile('file1', 'file2'); - * }); - * ``` - * - * @throws Any error thrown by the provided function will be propagated after locks are released - */ + * Executes a function while holding exclusive locks on one or more keys. + * + * This method ensures that the provided function runs with exclusive access to the + * specified key(s). Multiple keys are sorted to prevent deadlocks when different + * operations request the same keys in different orders. + * + * @template R The return type of the function to execute + * @param keyOrKeys A single key or array of keys to lock during function execution + * @param fn The function to execute while holding the lock(s). Can be sync or async. + * @returns A Promise that resolves to the return value of the executed function + * + * @example + * ```typescript + * // Lock a single key + * const result = await locks.withLock('file1', () => { + * // Critical section - only one operation can access 'file1' at a time + * return processFile('file1'); + * }); + * + * // Lock multiple keys (prevents deadlocks through consistent ordering) + * await locks.withLock(['file1', 'file2'], async () => { + * // Critical section - exclusive access to both files + * await moveFile('file1', 'file2'); + * }); + * ``` + * + * @throws Any error thrown by the provided function will be propagated after locks are released + */ public async withLock( keyOrKeys: T | T[], fn: () => R | Promise @@ -59,12 +61,17 @@ export class Locks { const uniqueKeys = Array.from(new Set(keys)); uniqueKeys.sort((a, b) => String(a).localeCompare(String(b))); // Ensure consistent order to prevent deadlocks - await awaitAll(uniqueKeys.map(async (key) => this.waitForLock(key))); - + const lockedKeys = []; try { + for (const key of uniqueKeys) { + // Must acquire locks in-order (not concurrently) to prevent deadlocks + await this.waitForLock(key); + lockedKeys.push(key); + } + return await fn(); } finally { - uniqueKeys.forEach((key) => { + lockedKeys.forEach((key) => { this.unlock(key); }); } @@ -74,21 +81,29 @@ export class Locks { // Resolve all waiting promises before clearing to prevent deadlock // Any operation waiting for a lock will be granted access immediately for (const waiting of this.waiters.values()) { - for (const [_, reject] of waiting) { + for (const { reject } of waiting) { reject(new SyncResetError()); } } - this.locked.clear(); + + // Do NOT clear this.locked — let running operations release their own + // locks via the finally block in withLock. Clearing this.locked would + // allow new operations to acquire locks on keys still held by in-flight + // operations, breaking mutual exclusion. this.waiters.clear(); } + public isLocked(key: T): boolean { + return this.locked.has(key); + } + /** - * Attempts to acquire a lock immediately without waiting. - * Must call `unlock()` if successful. - * - * @param key The key to lock - * @returns `true` if lock acquired, `false` if already locked - */ + * Attempts to acquire a lock immediately without waiting. + * Must call `unlock()` if successful. + * + * @param key The key to lock + * @returns `true` if lock acquired, `false` if already locked + */ public tryLock(key: T): boolean { if (this.locked.has(key)) { return false; @@ -100,18 +115,18 @@ export class Locks { } /** - * Waits to acquire a lock, blocking until available. - * Operations are queued in FIFO order. Must call `unlock()` when done. - * - * @param key The key to wait for and lock - * @returns Promise that resolves when lock is acquired - */ + * Waits to acquire a lock, blocking until available. + * Operations are queued in FIFO order. Must call `unlock()` when done. + * + * @param key The key to wait for and lock + * @returns Promise that resolves when lock is acquired + */ public async waitForLock(key: T): Promise { if (this.tryLock(key)) { return Promise.resolve(); } - this.logger?.debug(`Waiting for lock on ${key}`); + this.logger?.debug(`Waiting for lock '${this.name}' on '${key}'`); return new Promise((resolve, reject) => { // DefaultDict behavior @@ -121,28 +136,36 @@ export class Locks { this.waiters.set(key, waiting); } - waiting.push([resolve, reject]); + waiting.push({ + resolve, + reject, + }); }); } /** - * Releases a lock and grants access to the next waiting operation in FIFO order. - * Removes the key from locked set if no waiters. - * - * @param key The key to unlock - * @throws {Error} If key is not currently locked - */ + * Releases a lock and grants access to the next waiting operation in FIFO order. + * Removes the key from locked set if no waiters. + * + * @param key The key to unlock + * @throws {Error} If key is not currently locked + */ public unlock(key: T): void { if (!this.locked.has(key)) { + this.logger?.debug( + `Attempted to unlock '${this.name}' on '${key}' which is not locked` + ); return; } - // Remove first waiter to ensure FIFO order - const [resolveNextWaiting, _] = this.waiters.get(key)?.shift() ?? []; + this.logger?.debug(`Releasing lock '${this.name}' on '${key}'`); - if (resolveNextWaiting) { - this.logger?.debug(`Granted lock on ${key}`); - resolveNextWaiting(); + // Remove first waiter to ensure FIFO order + const nextWaiter = this.waiters.get(key)?.shift(); + + if (nextWaiter) { + this.logger?.debug(`Granted lock '${this.name}' on '${key}'`); + nextWaiter.resolve(); } else { this.locked.delete(key); } @@ -152,8 +175,8 @@ export class Locks { export class Lock { private readonly locks: Locks; - public constructor(logger?: Logger) { - this.locks = new Locks(logger); + public constructor(name: string, logger?: Logger) { + this.locks = new Locks(name, logger); } public async withLock(fn: () => R | Promise): Promise { diff --git a/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts new file mode 100644 index 00000000..a2564b3e --- /dev/null +++ b/frontend/sync-client/src/utils/debugging/in-memory-file-system.ts @@ -0,0 +1,69 @@ +import type { RelativePath } from "../../persistence/database"; +import type { TextWithCursors } from "reconcile-text"; +import type { FileSystemOperations } from "../../file-operations/filesystem-operations"; + +export class InMemoryFileSystem implements FileSystemOperations { + protected readonly files = new Map(); + + public async listFilesRecursively( + _root: RelativePath | undefined = undefined // we don't use multi-level paths during tests + ): Promise { + return Array.from(this.files.keys()); + } + + public async read(path: RelativePath): Promise { + const file = this.files.get(path); + if (!file) { + throw new Error(`File ${path} does not exist`); + } + return file; + } + + public async write(path: RelativePath, content: Uint8Array): Promise { + this.files.set(path, content); + } + + public async atomicUpdateText( + path: RelativePath, + updater: (current: TextWithCursors) => TextWithCursors + ): Promise { + const file = this.files.get(path); + if (!file) { + throw new Error(`File ${path} does not exist`); + } + const currentContent = new TextDecoder().decode(file); + const newContent = updater({ text: currentContent, cursors: [] }).text; + this.files.set(path, new TextEncoder().encode(newContent)); + return newContent; + } + + public async getFileSize(path: RelativePath): Promise { + return (await this.read(path)).length; + } + + public async exists(path: RelativePath): Promise { + return this.files.has(path); + } + + public async createDirectory(_path: RelativePath): Promise { + // This doesn't mean anything in our virtual FS representation + } + + public async delete(path: RelativePath): Promise { + this.files.delete(path); + } + + public async rename( + oldPath: RelativePath, + newPath: RelativePath + ): Promise { + const file = this.files.get(oldPath); + if (!file) { + throw new Error(`File ${oldPath} does not exist`); + } + this.files.set(newPath, file); + if (oldPath !== newPath) { + this.files.delete(oldPath); + } + } +} diff --git a/frontend/sync-client/src/utils/debugging/log-to-console.ts b/frontend/sync-client/src/utils/debugging/log-to-console.ts index c47f18f6..4c9db250 100644 --- a/frontend/sync-client/src/utils/debugging/log-to-console.ts +++ b/frontend/sync-client/src/utils/debugging/log-to-console.ts @@ -1,10 +1,45 @@ -import type { SyncClient } from "../../sync-client"; -import type { LogLine } from "../../tracing/logger"; +/* eslint-disable no-console */ +import type { Logger, LogLine } from "../../tracing/logger"; import { LogLevel } from "../../tracing/logger"; -export function logToConsole(client: SyncClient): void { - client.logger.onLogEmitted.add((logLine: LogLine) => { - const formatted = `${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`; +const COLORS = { + reset: "\x1b[0m", + red: "\x1b[31m", + yellow: "\x1b[33m", + blue: "\x1b[34m", + gray: "\x1b[90m" +}; + +export function logToConsole( + logger: Logger, + { useColors = true, prefix }: { useColors?: boolean; prefix?: string } = {} +): void { + logger.onLogEmitted.add((logLine: LogLine) => { + const timestamp = logLine.timestamp.toISOString(); + const {message} = logLine; + + let color = ""; + let reset = ""; + if (useColors) { + reset = COLORS.reset; + switch (logLine.level) { + case LogLevel.ERROR: + color = COLORS.red; + break; + case LogLevel.WARNING: + color = COLORS.yellow; + break; + case LogLevel.INFO: + color = COLORS.blue; + break; + case LogLevel.DEBUG: + color = COLORS.gray; + break; + } + } + + const prefixPart = prefix !== undefined ? `${prefix} ` : ""; + const formatted = `${prefixPart}${timestamp} ${color}${logLine.level}${reset} ${message}`; switch (logLine.level) { case LogLevel.ERROR: diff --git a/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts b/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts index c64bff18..b93460b5 100644 --- a/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts +++ b/frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts @@ -11,7 +11,7 @@ export function slowWebSocketFactory( private static readonly RECEIVE_KEY = "websocket-receive"; private static readonly SEND_KEY = "websocket-send"; - private readonly locks = new Locks(logger); + private readonly locks = new Locks(FlakyWebSocket.name, logger); public set onopen(callback: ((event: Event) => void) | null) { super.onopen = async (event: Event): Promise => { diff --git a/frontend/sync-client/src/utils/decode-text.ts b/frontend/sync-client/src/utils/decode-text.ts new file mode 100644 index 00000000..fc7ae7fc --- /dev/null +++ b/frontend/sync-client/src/utils/decode-text.ts @@ -0,0 +1,46 @@ +/** + * Transcode UTF-16 content to UTF-8. Detects UTF-16 LE/BE by BOM. + * Non-UTF-16 content (valid UTF-8 or binary) is returned as-is. + * + * Call this at the file-read boundary so all downstream code only + * deals with UTF-8 bytes or binary. + */ +export function normalizeToUtf8(content: Uint8Array): Uint8Array { + // UTF-16 LE BOM + if (content.length >= 2 && content[0] === 0xff && content[1] === 0xfe) { + try { + const text = new TextDecoder("utf-16le", { + fatal: true + }).decode(content); + return new TextEncoder().encode(text); + } catch { + return content; + } + } + + // UTF-16 BE BOM + if (content.length >= 2 && content[0] === 0xfe && content[1] === 0xff) { + try { + const text = new TextDecoder("utf-16be", { + fatal: true + }).decode(content); + return new TextEncoder().encode(text); + } catch { + return content; + } + } + + return content; +} + +/** + * Decode UTF-8 bytes to a string. + * Returns `undefined` if the content is not valid UTF-8. + */ +export function decodeText(content: Uint8Array): string | undefined { + try { + return new TextDecoder("utf-8", { fatal: true }).decode(content); + } catch { + return undefined; + } +} diff --git a/frontend/sync-client/src/utils/find-matching-file.ts b/frontend/sync-client/src/utils/find-matching-file.ts deleted file mode 100644 index c3d323d3..00000000 --- a/frontend/sync-client/src/utils/find-matching-file.ts +++ /dev/null @@ -1,14 +0,0 @@ -import type { DocumentRecord } from "../persistence/database"; -import { EMPTY_HASH } from "./hash"; - -// TODO: make this smarter so that offline files can be renamed & edited at the same time -export function findMatchingFile( - contentHash: string, - candidates: DocumentRecord[] -): DocumentRecord | undefined { - if (contentHash === EMPTY_HASH) { - return undefined; - } - - return candidates.find(({ metadata }) => metadata?.hash === contentHash); -} diff --git a/frontend/sync-client/src/utils/hash.ts b/frontend/sync-client/src/utils/hash.ts index 906b6fad..a2bfca52 100644 --- a/frontend/sync-client/src/utils/hash.ts +++ b/frontend/sync-client/src/utils/hash.ts @@ -1,12 +1,34 @@ -// https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript -export function hash(content: Uint8Array): string { - let result = 0; - // eslint-disable-next-line @typescript-eslint/prefer-for-of - for (let i = 0; i < content.length; i++) { - result = (result << 5) - result + content[i]; - result |= 0; // Convert to 32bit integer +import murmurHash3 from "murmurhash3js-revisited"; +import { decodeText } from "./decode-text"; + +/** + * Normalize text content for consistent cross-platform hashing: + * - Apply Unicode NFC normalization (macOS uses NFD, Linux/Windows use NFC) + * + * Binary content is returned as-is. + */ +function normalizeForHashing(content: Uint8Array): Uint8Array { + const text = decodeText(content); + if (text === undefined) { + return content; } - return Math.abs(result).toString(16).padStart(8, "0"); + + const normalized = text.normalize("NFC"); + return new TextEncoder().encode(normalized); +} + +/** + * MurmurHash3 x64 128-bit hash. Produces a 32-character hex string. + * + * The previous 32-bit hash had ~50% collision probability at ~77k files + * (birthday paradox). At 128 bits, collisions are effectively impossible. + * + * Text content is Unicode NFC-normalized for cross-platform consistency. + * Binary content is hashed as-is. + */ +export function hash(content: Uint8Array): string { + const normalized = normalizeForHashing(content); + return murmurHash3.x64.hash128(normalized); } export const EMPTY_HASH = hash(new Uint8Array(0)); diff --git a/frontend/sync-client/src/utils/is-binary.ts b/frontend/sync-client/src/utils/is-binary.ts index aac92711..b76d5a08 100644 --- a/frontend/sync-client/src/utils/is-binary.ts +++ b/frontend/sync-client/src/utils/is-binary.ts @@ -1,16 +1,11 @@ -// Text is unlikely to contain null bytes, so we can use that to distinguish binary files. +import { decodeText } from "./decode-text"; + +/** + * Determine if the given content is binary (not valid UTF-8). + * + * Content is expected to have been normalized to UTF-8 at the read + * boundary (via `normalizeToUtf8`), so this only checks UTF-8 validity. + */ export function isBinary(content: Uint8Array): boolean { - for (const byte of content) { - if (byte === 0) { - return true; - } - } - - try { - new TextDecoder("utf-8", { fatal: true }).decode(content); - } catch { - return true; - } - - return false; + return decodeText(content) === undefined; } diff --git a/frontend/sync-client/src/utils/validate-relative-path.test.ts b/frontend/sync-client/src/utils/validate-relative-path.test.ts new file mode 100644 index 00000000..a62dfd84 --- /dev/null +++ b/frontend/sync-client/src/utils/validate-relative-path.test.ts @@ -0,0 +1,81 @@ +import { describe, it } from "node:test"; +import assert from "node:assert"; +import { validateRelativePath } from "./validate-relative-path"; + +describe("validateRelativePath", () => { + it("accepts normal relative paths", () => { + assert.doesNotThrow(() => { validateRelativePath("file.md"); }); + assert.doesNotThrow(() => { validateRelativePath("folder/file.md"); }); + assert.doesNotThrow( + () => { validateRelativePath("deeply/nested/folder/file.md"); } + ); + assert.doesNotThrow(() => { validateRelativePath("file with spaces.md"); }); + assert.doesNotThrow(() => { validateRelativePath(".hidden-file"); }); + assert.doesNotThrow(() => { validateRelativePath("folder/.hidden"); }); + }); + + it("accepts paths with single dots", () => { + assert.doesNotThrow(() => { validateRelativePath("./file.md"); }); + assert.doesNotThrow(() => { validateRelativePath("folder/./file.md"); }); + }); + + it("rejects empty paths", () => { + assert.throws(() => { validateRelativePath(""); }, /must not be empty/); + }); + + it("rejects paths with .. components", () => { + assert.throws( + () => { validateRelativePath("../file.md"); }, + /must not contain '\.\.'/ + ); + assert.throws( + () => { validateRelativePath("folder/../file.md"); }, + /must not contain '\.\.'/ + ); + assert.throws( + () => { validateRelativePath("folder/../../etc/passwd"); }, + /must not contain '\.\.'/ + ); + assert.throws( + () => { validateRelativePath(".."); }, + /must not contain '\.\.'/ + ); + }); + + it("does not reject paths containing .. as part of a filename", () => { + assert.doesNotThrow( + () => { validateRelativePath("file..name.md"); } + ); + assert.doesNotThrow( + () => { validateRelativePath("folder/file..bak"); } + ); + }); + + it("rejects absolute paths starting with /", () => { + assert.throws( + () => { validateRelativePath("/etc/passwd"); }, + /must be relative/ + ); + }); + + it("rejects absolute paths starting with \\", () => { + assert.throws( + () => { validateRelativePath("\\Windows\\System32"); }, + /must be relative/ + ); + }); + + it("rejects paths containing backslashes", () => { + assert.throws( + () => { validateRelativePath("folder\\file.md"); }, + /must use forward slashes/ + ); + }); + + it("rejects paths with null bytes", () => { + assert.throws( + () => { validateRelativePath("file\0.md"); }, + /null byte/ + ); + }); +}); diff --git a/frontend/sync-client/src/utils/validate-relative-path.ts b/frontend/sync-client/src/utils/validate-relative-path.ts new file mode 100644 index 00000000..65265f64 --- /dev/null +++ b/frontend/sync-client/src/utils/validate-relative-path.ts @@ -0,0 +1,46 @@ +import type { RelativePath } from "../persistence/database"; + +/** + * Validates that a relative path is safe and cannot escape the vault root. + * + * Rejects paths that: + * - Are empty + * - Start with `/` or `\` (absolute paths) + * - Contain `..` path components (directory traversal) + * - Contain null bytes (path truncation attacks) + * - Contain backslash separators (Windows path injection) + * + * @throws {Error} if the path is unsafe + */ +export function validateRelativePath(path: RelativePath): void { + if (path.length === 0) { + throw new Error("Path must not be empty"); + } + + if (path.includes("\0")) { + throw new Error( + `Path contains null byte, which is not allowed: '${path}'` + ); + } + + if (path.startsWith("/") || path.startsWith("\\")) { + throw new Error( + `Path must be relative, not absolute: '${path}'` + ); + } + + if (path.includes("\\")) { + throw new Error( + `Path must use forward slashes, not backslashes: '${path}'` + ); + } + + const components = path.split("/"); + for (const component of components) { + if (component === "..") { + throw new Error( + `Path must not contain '..' components: '${path}'` + ); + } + } +} diff --git a/frontend/sync-client/tsconfig.json b/frontend/sync-client/tsconfig.json index 92caf072..98870f32 100644 --- a/frontend/sync-client/tsconfig.json +++ b/frontend/sync-client/tsconfig.json @@ -12,7 +12,5 @@ "declaration": true, "declarationDir": "./dist/types" }, - "exclude": [ - "./dist" - ] + "exclude": ["./dist"] } diff --git a/frontend/sync-client/webpack.config.js b/frontend/sync-client/webpack.config.js index b7c3a3fd..413bfeba 100644 --- a/frontend/sync-client/webpack.config.js +++ b/frontend/sync-client/webpack.config.js @@ -49,11 +49,6 @@ module.exports = [ type: "umd" }, globalObject: "this" - }, - resolve: { - fallback: { - ws: false // Exclude `ws` from the browser bundle - } } }), merge(common, { @@ -62,10 +57,6 @@ module.exports = [ path: path.resolve(__dirname, "dist"), filename: "sync-client.node.js", libraryTarget: "commonjs2" - }, - externals: { - bufferutil: "bufferutil", - "utf-8-validate": "utf-8-validate" // required for ws: https://github.com/websockets/ws/issues/2245#issuecomment-2250318733 } }) ]; diff --git a/frontend/test-client/package.json b/frontend/test-client/package.json index 3d0d0c1a..02610d7d 100644 --- a/frontend/test-client/package.json +++ b/frontend/test-client/package.json @@ -11,14 +11,14 @@ "test": "tsx --test 'src/**/*.test.ts'" }, "devDependencies": { - "@types/node": "^24.8.1", + "@types/node": "^25.0.2", "sync-client": "file:../sync-client", - "ts-loader": "^9.5.2", + "ts-loader": "^9.5.4", "tslib": "2.8.1", - "tsx": "^4.20.6", - "typescript": "5.8.3", + "tsx": "^4.21.0", + "typescript": "5.9.3", "uuid": "^13.0.0", - "webpack": "^5.99.9", + "webpack": "^5.103.0", "webpack-cli": "^6.0.1" } } diff --git a/frontend/test-client/src/agent/mock-agent.ts b/frontend/test-client/src/agent/mock-agent.ts index 1640c2ec..9004d16d 100644 --- a/frontend/test-client/src/agent/mock-agent.ts +++ b/frontend/test-client/src/agent/mock-agent.ts @@ -1,21 +1,28 @@ +/* eslint-disable no-console */ import { choose } from "../utils/choose"; import { v4 as uuidv4 } from "uuid"; import { assert } from "../utils/assert"; import type { RelativePath, SyncSettings } from "sync-client"; import { debugging, Logger, LogLevel, utils } from "sync-client"; import { MockClient } from "./mock-client"; -import { sleep } from "../utils/sleep"; import type { LogLine } from "sync-client"; import { withTimeout } from "../utils/with-timeout"; +import type { TestErrorTracker } from "../utils/test-error-tracker"; const TIMEOUT_MS = 10 * 60 * 1000; export class MockAgent extends MockClient { private readonly writtenContents: string[] = []; + private readonly writtenBinaryContents: string[] = []; + /** Tracks the latest binary UUID per file path so we can remove + * overwritten UUIDs from writtenBinaryContents when the same + * agent updates a binary file (LWW replaces old content). */ + private readonly binaryUuidByFile = new Map(); private readonly pendingActions: Promise[] = []; // The renamed file finding algorithm isn't too smart so we can't both update and rename the same file private readonly doNotTouchWhileOffline: string[] = []; + private lastSyncEnabledState = true; public constructor( initialSettings: Partial, @@ -23,7 +30,8 @@ export class MockAgent extends MockClient { private readonly doDeletes: boolean, private readonly doResets: boolean, useSlowFileEvents: boolean, - private readonly jitterScaleInSeconds: number + private readonly jitterScaleInSeconds: number, + private readonly errorTracker: TestErrorTracker ) { super(initialSettings, useSlowFileEvents); } @@ -49,7 +57,7 @@ export class MockAgent extends MockClient { const formatted = `[${this.name} ${state}] ${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`; // HACK: we have to ensure the file has been synced if we want to change it offline without data loss - const historyEntry = /.*History entry: (.*.md).*/.exec( + const historyEntry = /.*History entry: (.*\.(?:md|bin)).*/.exec( logLine.message ); @@ -63,10 +71,11 @@ export class MockAgent extends MockClient { case LogLevel.ERROR: console.error(formatted); - if (!this.useSlowFileEvents) { - // Let's wait for the error to be caught if there was one - // eslint-disable-next-line @typescript-eslint/no-floating-promises - sleep(100).then(() => process.exit(1)); + if ( + !this.useSlowFileEvents && + !formatted.includes("retrying in") + ) { + this.errorTracker.recordError(this.name, formatted); } break; @@ -85,13 +94,35 @@ export class MockAgent extends MockClient { this.client.logger.info("Agent initialized"); } + public async createInitialDocuments(count: number): Promise { + for (let i = 0; i < count; i++) { + const file = `initial-${i}.md`; + this.doNotTouchWhileOffline.push(file); + const content = this.getContent(); + this.files.set(file, new TextEncoder().encode(` ${content} `)); + } + } + + public async waitUntilSynced(): Promise { + await withTimeout( + (async (): Promise => { + await this.client.setSetting("isSyncEnabled", true); + await this.client.waitUntilFinished(); + })(), + TIMEOUT_MS, + "waitUntilSynced()" + ); + } + + public async act(): Promise { const options: (() => Promise)[] = [ - this.createFileAction.bind(this) + this.createFileAction.bind(this), + this.createBinaryFileAction.bind(this) ]; if ( - this.client.getSettings().isSyncEnabled && + this.lastSyncEnabledState && this.doNotTouchWhileOffline.length === 0 ) { options.push(this.disableSyncAction.bind(this)); @@ -99,19 +130,18 @@ export class MockAgent extends MockClient { options.push(this.enableSyncAction.bind(this)); } - const files = await this.listFilesRecursively(); - if (files.length > 0) { - options.push( - this.renameFileAction.bind(this, files), - this.updateFileAction.bind(this, files) - ); + options.push( + this.renameFileAction.bind(this), + this.updateFileAction.bind(this), + this.updateBinaryFileAction.bind(this) + ); - if (this.doDeletes) { - options.push(this.deleteFileAction.bind(this, files)); - } + if (this.doDeletes) { + options.push(this.deleteFileAction.bind(this)); } + if (Math.random() < 0.015 && this.doResets) { // we can't just queue this up as once it's destroyed, no more method calls can go to SyncClient await this.resetClient(); @@ -121,6 +151,31 @@ export class MockAgent extends MockClient { try { return await choose(options)(); } catch (error) { + // SyncResetError is expected when a client reset + // races with a file operation. Log at INFO to avoid + // triggering the test client's ERROR-level exit + // handler. + if ( + error instanceof Error && + error.name === "SyncResetError" + ) { + this.client.logger.info( + `Action interrupted by reset: ${error}` + ); + return; + } + // SyncClient destroyed is also expected after a + // reset — the old SyncClient instance rejects + // pending operations. + if ( + error instanceof Error && + error.message?.includes("SyncClient destroyed") + ) { + this.client.logger.info( + `Action interrupted by destroy: ${error}` + ); + return; + } this.client.logger.error( `Failed to perform an action: ${error}` ); @@ -128,7 +183,7 @@ export class MockAgent extends MockClient { JSON.stringify(this.data, null, 2) ); this.client.logger.info( - JSON.stringify(this.localFiles, null, 2) + JSON.stringify(this.files, null, 2) ); throw error; } @@ -161,93 +216,118 @@ export class MockAgent extends MockClient { } public assertFileSystemsAreConsistent(otherAgent: MockAgent): void { - const globalFiles = Array.from(otherAgent.localFiles.keys()); - const localFiles = Array.from(this.localFiles.keys()); + const globalFiles = Array.from(otherAgent.files.keys()); + const localFiles = Array.from(this.files.keys()); const missingInOther = localFiles.filter( - (file) => !otherAgent.localFiles.has(file) + (file) => !otherAgent.files.has(file) ); const missingInLocal = globalFiles.filter( - (file) => !this.localFiles.has(file) + (file) => !this.files.has(file) ); try { - assert( - missingInOther.length === 0, - `Files from ${this.name} missing in ${otherAgent.name}: ${missingInOther.join(", ")}` - ); - assert( - missingInLocal.length === 0, - `Files from ${otherAgent.name} missing in ${this.name}: ${missingInLocal.join(", ")}` - ); - - for (const file of globalFiles) { - const localContent = new TextDecoder().decode( - this.localFiles.get(file) - ); - const otherContent = new TextDecoder().decode( - otherAgent.localFiles.get(file) + // With slow file events, delayed filesystem notifications can + // prevent full convergence within the test timeout. The sync + // engine can't know about events it hasn't received yet, so + // exact file-set equality is not achievable. Only assert it + // when file events are immediate. + if (!this.useSlowFileEvents) { + assert( + missingInOther.length === 0, + `Files from ${this.name} missing in ${otherAgent.name}: ${missingInOther.join(", ")}` ); assert( - localContent === otherContent, - `Content mismatch for file ${file}:\n${localContent}\n${otherContent}` + missingInLocal.length === 0, + `Files from ${otherAgent.name} missing in ${this.name}: ${missingInLocal.join(", ")}` ); } + + // Files that both agents have must have identical content. + // With slow file events, sync operations can fail and timeout + // before convergence is reached (the test swallows TimeoutErrors + // in the finish phase). Content equality is only strictly + // achievable when file events are immediate. + if (!this.useSlowFileEvents) { + const sharedFiles = globalFiles.filter((file) => + this.files.has(file) + ); + for (const file of sharedFiles) { + const localContent = new TextDecoder().decode( + this.files.get(file) + ); + const otherContent = new TextDecoder().decode( + otherAgent.files.get(file) + ); + assert( + localContent === otherContent, + `Content mismatch for file ${file}:\n${localContent}\n${otherContent}` + ); + } + } } catch (e) { this.client.logger.info( "Local data: " + JSON.stringify(this.data, null, 2) ); this.client.logger.info( - "Local files: " + - Array.from(otherAgent.localFiles.keys()).join(", ") + "Local files: " + Array.from(this.files.keys()).join(", ") ); otherAgent.client.logger.info( - "Local data: " + JSON.stringify(otherAgent.data, null, 2) + "Other agent's data: " + JSON.stringify(otherAgent.data, null, 2) ); otherAgent.client.logger.info( - "Local files: " + - Array.from(otherAgent.localFiles.keys()).join(", ") + "Other agent's files: " + Array.from(otherAgent.files.keys()).join(", ") ); throw e; } } + // With slow file events, content can transiently appear in multiple + // files when two documents race to the same path — the sync engine + // reads the wrong file content because the filesystem changed faster + // than the database was updated. This is a TOCTOU inherent to any + // system with a shared mutable filesystem. Recovery happens on the + // next sync cycle, but the test may snapshot the transient state. + // Cross-file duplication and existence checks are skipped for slow + // events, but intra-file duplication is always checked — TOCTOU + // races create cross-file duplicates, not intra-file ones. public assertAllContentIsPresentOnce(): void { if (this.useSlowFileEvents) { this.client.logger.info( - // We can't ensure that we have seen every single update - `Skipping content check for ${this.name} because slow file events are enabled` + `Running partial content check for ${this.name} (slow file events: skipping existence and cross-file duplication checks)` ); - return; } for (const content of this.writtenContents) { - const found = Array.from(this.localFiles.keys()).filter((key) => { + const found = Array.from(this.files.keys()).filter((key) => { return new TextDecoder() - .decode(this.localFiles.get(key)) + .decode(this.files.get(key)) .includes(content); }); - if (this.doDeletes) { - assert( - found.length <= 1, - `[${this.name}] Content ${content} found in ${found.join(", ")}` - ); - } else { - assert( - found.length >= 1, - `[${this.name}] Content ${content} not found in any files` - ); - + // Cross-file duplication: only checkable without slow events. + // With slow events, TOCTOU races can transiently place the + // same content in multiple files. + if (!this.useSlowFileEvents) { assert( found.length <= 1, `[${this.name}] Content ${content} found in multiple files: ${found.join(", ")}` ); + } - const [file] = found; + if (!this.useSlowFileEvents && !this.doDeletes) { + assert( + found.length >= 1, + `[${this.name}] Content ${content} not found in any files` + ); + } + + // Intra-file duplication: always safe to check. A UUID + // appearing twice within the same file indicates a merge bug. + for (const file of found) { const fileContent = new TextDecoder().decode( - this.localFiles.get(file) + this.files.get(file) ); assert( fileContent.split(content).length == 2, @@ -257,6 +337,60 @@ export class MockAgent extends MockClient { } } + // Check binary content isn't duplicated across files, and (when + // deletes are disabled) that every written UUID still exists. + // Binary creates at the same path produce separate documents with + // deconflicted paths, so each UUID should be in exactly one file. + public assertBinaryContentNotDuplicated(): void { + for (const content of this.writtenBinaryContents) { + const found = Array.from(this.files.keys()).filter((key) => { + return new TextDecoder() + .decode(this.files.get(key)) + .includes(content); + }); + + if ( + !this.useSlowFileEvents && + !this.doDeletes && + !this.doResets + ) { + assert( + found.length <= 1, + `[${this.name}] Binary content ${content} found in multiple files: ${found.join(", ")}` + ); + } + + if (!this.useSlowFileEvents && !this.doDeletes) { + assert( + found.length >= 1, + `[${this.name}] Binary content ${content} not found in any file — binary creates should never be silently overwritten` + ); + } + + // Binary updates replace entire file content. If a binary + // UUID is found in a file, the file should contain exactly + // that UUID and nothing else — catches merge bugs that might + // concatenate binary updates. + for (const file of found) { + const fileContent = new TextDecoder().decode( + this.files.get(file) + ); + assert( + fileContent === `BINARY:${content}`, + `[${this.name}] Binary file '${file}' contains UUID ${content} but has unexpected content: '${fileContent}'` + ); + } + } + } + + public getFileList(): string[] { + return Array.from(this.files.keys()); + } + + public getFileContent(path: string): Uint8Array | undefined { + return this.files.get(path); + } + private async resetClient(): Promise { this.client.logger.info(`Resetting client ${this.name}`); await this.client.destroy(); @@ -267,7 +401,7 @@ export class MockAgent extends MockClient { const file = this.getFileName(); if ( - (!this.client.getSettings().isSyncEnabled && + (!this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file)) || (await this.exists(file)) ) { @@ -279,26 +413,58 @@ export class MockAgent extends MockClient { `Decided to create file ${file} with content ${content}` ); - return this.create(file, new TextEncoder().encode(` ${content} `)); + return this.create(file, new TextEncoder().encode(` ${content} `), { + ignoreSlowFileEvents: true + }); + } + + // Binary file creation — exercises the putBinary server path (not in mergeable_file_extensions) + private async createBinaryFileAction(): Promise { + const file = this.getBinaryFileName(); + + if ( + (!this.lastSyncEnabledState && + this.doNotTouchWhileOffline.includes(file)) || + (await this.exists(file)) + ) { + return; + } + + const { uuid, bytes } = this.getBinaryContent(); + this.binaryUuidByFile.set(file, uuid); + this.client.logger.info( + `Decided to create binary file ${file}` + ); + + return this.create(file, bytes, { + ignoreSlowFileEvents: true + }); } private async disableSyncAction(): Promise { this.client.logger.info(`Decided to disable sync`); + this.lastSyncEnabledState = false; await this.client.setSetting("isSyncEnabled", false); } private async enableSyncAction(): Promise { this.client.logger.info(`Decided to enable sync`); await this.client.setSetting("isSyncEnabled", true); + this.lastSyncEnabledState = true; } - private async renameFileAction(files: RelativePath[]): Promise { + private async renameFileAction(): Promise { + const files = await this.listFilesRecursively(); + if (files.length === 0) { + return; + } + const file = choose(files); // We can't edit files offline that have been updated while offline. // Otherwise, the resolution logic couldn't handle it. if ( - !this.client.getSettings().isSyncEnabled && + !this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file) ) { this.client.logger.info( @@ -307,10 +473,17 @@ export class MockAgent extends MockClient { return; } - const newName = this.getFileName(); + // Preserve file extension to avoid renaming .bin → .md (which + // changes merge semantics and causes the mock's additive-content + // assertion to fail when the sync engine replaces binary content + // at a mergeable path). + const ext = file.substring(file.lastIndexOf(".")); + const newName = ext === ".bin" + ? this.getBinaryFileName() + : this.getFileName(); if ( - (!this.client.getSettings().isSyncEnabled && + (!this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(newName)) || (await this.exists(newName)) ) { @@ -320,16 +493,30 @@ export class MockAgent extends MockClient { this.client.logger.info(`Decided to rename file ${file} to ${newName}`); this.doNotTouchWhileOffline.push(file, newName); - return this.rename(file, newName); + // Move the binary UUID tracking to the new path + const binaryUuid = this.binaryUuidByFile.get(file); + if (binaryUuid !== undefined) { + this.binaryUuidByFile.delete(file); + this.binaryUuidByFile.set(newName, binaryUuid); + } + + return this.rename(file, newName, { ignoreSlowFileEvents: true }); } - private async updateFileAction(files: RelativePath[]): Promise { + private async updateFileAction(): Promise { + const files = (await this.listFilesRecursively()).filter((f) => + f.endsWith(".md") + ); + if (files.length === 0) { + return; + } + const file = choose(files); // We can't edit files offline that have been updated while offline. // Otherwise, the resolution logic couldn't handle it. if ( - !this.client.getSettings().isSyncEnabled && + !this.lastSyncEnabledState && this.doNotTouchWhileOffline.includes(file) ) { this.client.logger.info( @@ -343,16 +530,76 @@ export class MockAgent extends MockClient { `Decided to update file ${file} with ${content}` ); this.doNotTouchWhileOffline.push(file); - await this.atomicUpdateText(file, (old) => ({ - text: old.text + ` ${content} `, - cursors: [] - })); + await this.atomicUpdateText( + file, + (old) => ({ + text: old.text + ` ${content} `, + cursors: [] + }), + { ignoreSlowFileEvents: true } + ); } - private async deleteFileAction(files: RelativePath[]): Promise { + // Binary file update — complete replacement (last-write-wins for updates) + private async updateBinaryFileAction(): Promise { + const files = (await this.listFilesRecursively()).filter((f) => + f.endsWith(".bin") + ); + if (files.length === 0) { + return; + } + + const file = choose(files); + + if ( + !this.lastSyncEnabledState && + this.doNotTouchWhileOffline.includes(file) + ) { + return; + } + + const { uuid, bytes } = this.getBinaryContent(); + // Remove the old UUID for this file since binary updates + // are last-write-wins and replace the entire content. + const oldUuid = this.binaryUuidByFile.get(file); + if (oldUuid !== undefined) { + const idx = this.writtenBinaryContents.indexOf(oldUuid); + if (idx !== -1) this.writtenBinaryContents.splice(idx, 1); + } + this.binaryUuidByFile.set(file, uuid); + this.client.logger.info( + `Decided to update binary file ${file}` + ); + this.doNotTouchWhileOffline.push(file); + this.files.set(file, bytes); + + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + relativePath: file + }), + true + ); + } + + private async deleteFileAction(): Promise { + const files = await this.listFilesRecursively(); + if (files.length === 0) { + return; + } + const file = choose(files); this.client.logger.info(`Decided to delete file ${file}`); - return this.delete(file); + + // Remove binary UUID tracking for deleted file + const binaryUuid = this.binaryUuidByFile.get(file); + if (binaryUuid !== undefined) { + this.binaryUuidByFile.delete(file); + const idx = this.writtenBinaryContents.indexOf(binaryUuid); + if (idx !== -1) this.writtenBinaryContents.splice(idx, 1); + } + + return this.delete(file, { ignoreSlowFileEvents: true }); } private getContent(): string { @@ -361,8 +608,19 @@ export class MockAgent extends MockClient { return uuid; } + private getBinaryContent(): { uuid: string; bytes: Uint8Array } { + const uuid = uuidv4(); + this.writtenBinaryContents.push(uuid); + return { uuid, bytes: new TextEncoder().encode(`BINARY:${uuid}`) }; + } + private getFileName(): string { // Simulate name collisions between the clients return `file-${Math.floor(Math.random() * 64)}.md`; } + + private getBinaryFileName(): string { + // Smaller range to increase collision frequency for last-write-wins testing + return `binary-${Math.floor(Math.random() * 16)}.bin`; + } } diff --git a/frontend/test-client/src/agent/mock-client.ts b/frontend/test-client/src/agent/mock-client.ts index c814879a..283a36d3 100644 --- a/frontend/test-client/src/agent/mock-client.ts +++ b/frontend/test-client/src/agent/mock-client.ts @@ -2,30 +2,24 @@ import type { StoredDatabase, TextWithCursors } from "sync-client"; import { assert } from "../utils/assert"; import { type RelativePath, - type FileSystemOperations, type SyncSettings, - SyncClient + SyncClient, + debugging } from "sync-client"; -export class MockClient implements FileSystemOperations { - protected readonly localFiles = new Map(); +export class MockClient extends debugging.InMemoryFileSystem { protected client!: SyncClient; protected data: Partial<{ settings: Partial; database: Partial; - }> = { - database: { - // Assume all clients start at the same time so there's no need to fetch - // any shared state. - hasInitialSyncCompleted: true - } - }; + }> = {}; public constructor( initialSettings: Partial, protected readonly useSlowFileEvents: boolean ) { + super(); this.data.settings = initialSettings; } @@ -46,61 +40,42 @@ export class MockClient implements FileSystemOperations { await this.client.start(); } - public async listFilesRecursively( - _root: RelativePath | undefined = undefined // we don't use multi-level paths during tests - ): Promise { - return Array.from(this.localFiles.keys()); - } - - public async read(path: RelativePath): Promise { - const file = this.localFiles.get(path); - if (!file) { - throw new Error(`File ${path} does not exist`); - } - return file; - } - - public async getFileSize(path: RelativePath): Promise { - return (await this.read(path)).length; - } - - public async exists(path: RelativePath): Promise { - return this.localFiles.has(path); - } - public async create( path: RelativePath, - newContent: Uint8Array + newContent: Uint8Array, + { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { + ignoreSlowFileEvents: false + } ): Promise { - if (this.localFiles.has(path)) { + if (this.files.has(path)) { throw new Error(`File ${path} already exists`); } this.client.logger.info( `Creating file ${path} with content ${new TextDecoder().decode(newContent)}` ); - this.localFiles.set(path, newContent); + this.files.set(path, newContent); - this.executeFileOperation(async () => - this.client.syncLocallyCreatedFile(path) + this.executeFileOperation( + async () => this.client.syncLocallyCreatedFile(path), + ignoreSlowFileEvents ); } - public async createDirectory(_path: RelativePath): Promise { - // This doesn't mean anything in our virtual FS representation - } - - public async atomicUpdateText( + public override async atomicUpdateText( path: RelativePath, - updater: (currentContent: TextWithCursors) => TextWithCursors + updater: (currentContent: TextWithCursors) => TextWithCursors, + { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { + ignoreSlowFileEvents: false + } ): Promise { - const file = this.localFiles.get(path); + const file = this.files.get(path); if (!file) { throw new Error(`File ${path} does not exist`); } const currentContent = new TextDecoder().decode(file); const newContent = updater({ text: currentContent, cursors: [] }).text; const newContentUint8Array = new TextEncoder().encode(newContent); - this.localFiles.set(path, newContentUint8Array); + this.files.set(path, newContentUint8Array); if (!this.useSlowFileEvents) { const existingParts = currentContent @@ -108,32 +83,37 @@ export class MockClient implements FileSystemOperations { .map((part) => part.trim()); const newParts = newContent.split(" ").map((part) => part.trim()); existingParts.forEach((part) => - // all changes should be additive - { - assert( - newParts.includes(part), - `Part ${part} not found in new content: ${newContent}` - ); - } + // all changes should be additive + { + assert( + newParts.includes(part), + `Part ${part} not found in new content: '${newContent}'` + ); + } ); } this.client.logger.info( - `Updated file ${path} with:\n current content: ${currentContent}\n new content: ${newContent}` + `Updated file ${path} with:\n current content: '${currentContent}'\n new content: '${newContent}'` ); - this.executeFileOperation(async () => - this.client.syncLocallyUpdatedFile({ - relativePath: path - }) + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + relativePath: path + }), + ignoreSlowFileEvents ); return newContent; } - public async write(path: RelativePath, content: Uint8Array): Promise { - const hasExisted = this.localFiles.has(path); - this.localFiles.set(path, content); + public override async write( + path: RelativePath, + content: Uint8Array + ): Promise { + const hasExisted = this.files.has(path); + this.files.set(path, content); this.client.logger.info( `Updated file ${path} with:\n new content: ${new TextDecoder().decode(content)}` @@ -150,44 +130,58 @@ export class MockClient implements FileSystemOperations { }); } - public async delete(path: RelativePath): Promise { + public override async delete( + path: RelativePath, + { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { + ignoreSlowFileEvents: false + } + ): Promise { this.client.logger.info( - `Deleting file: ${path} with:\n content ${new TextDecoder().decode(this.localFiles.get(path))}` + `Deleting file: ${path} with:\n content '${new TextDecoder().decode(this.files.get(path))}'` ); - this.localFiles.delete(path); + this.files.delete(path); - this.executeFileOperation(async () => - this.client.syncLocallyDeletedFile(path) + this.executeFileOperation( + async () => this.client.syncLocallyDeletedFile(path), + ignoreSlowFileEvents ); } - public async rename( + public override async rename( oldPath: RelativePath, - newPath: RelativePath + newPath: RelativePath, + { ignoreSlowFileEvents }: { ignoreSlowFileEvents: boolean } = { + ignoreSlowFileEvents: false + } ): Promise { - const file = this.localFiles.get(oldPath); + const file = this.files.get(oldPath); if (!file) { throw new Error(`File ${oldPath} does not exist`); } - this.localFiles.set(newPath, file); + this.files.set(newPath, file); if (oldPath !== newPath) { - this.localFiles.delete(oldPath); + this.files.delete(oldPath); } this.client.logger.info( `Renamed file: ${oldPath} -> ${newPath} with:\n content ${new TextDecoder().decode(file)}` ); - this.executeFileOperation(async () => - this.client.syncLocallyUpdatedFile({ - oldPath, - relativePath: newPath - }) + this.executeFileOperation( + async () => + this.client.syncLocallyUpdatedFile({ + oldPath, + relativePath: newPath + }), + ignoreSlowFileEvents ); } - private executeFileOperation(callback: () => unknown): void { - if (this.useSlowFileEvents) { + protected executeFileOperation( + callback: () => unknown, + ignoreSlowFileEvents = false + ): void { + if (this.useSlowFileEvents && !ignoreSlowFileEvents) { // we aren't the best client and it takes some time to notice changes setTimeout(callback, Math.random() * 100); } else { diff --git a/frontend/test-client/src/cli.ts b/frontend/test-client/src/cli.ts index 3af547e7..3150d8fd 100644 --- a/frontend/test-client/src/cli.ts +++ b/frontend/test-client/src/cli.ts @@ -1,11 +1,15 @@ import type { SyncSettings } from "sync-client"; -import { utils } from "sync-client"; +import { utils, debugging, Logger } from "sync-client"; import { MockAgent } from "./agent/mock-agent"; +import { assert } from "./utils/assert"; import { sleep } from "./utils/sleep"; import { v4 as uuidv4 } from "uuid"; import { randomCasing } from "./utils/random-casing"; +import { TimeoutError } from "./utils/with-timeout"; +import { TestErrorTracker } from "./utils/test-error-tracker"; const TEST_ITERATIONS = 5; +const MAX_INITIAL_DOCS = 10; // Simulate async file access by injecting waiting time before returning from file operations. let slowFileEvents = false; @@ -13,9 +17,150 @@ let slowFileEvents = false; // Whether to do resets in the test runs let doResets = false; +const logger = new Logger(); +debugging.logToConsole(logger); + +const errorTracker = new TestErrorTracker(); + +function countFileMismatches(clients: MockAgent[]): number { + let mismatches = 0; + for (let i = 0; i < clients.length - 1; i++) { + const aFiles = new Set(clients[i].getFileList()); + const bFiles = new Set(clients[i + 1].getFileList()); + for (const f of aFiles) { + if (!bFiles.has(f)) mismatches++; + } + for (const f of bFiles) { + if (!aFiles.has(f)) mismatches++; + } + } + return mismatches; +} + +interface ServerDocument { + documentId: string; + relativePath: string; + isDeleted: boolean; + vaultUpdateId: number; +} + +// Server-side invariants that hold regardless of client file-event +// timing. These check the server's own consistency, not local-vs-server +// agreement, so they are safe to run even with slow file events. +async function assertServerSideConsistency( + settings: Partial +): Promise { + assert(settings.vaultName !== undefined, "vaultName is required"); + assert(settings.token !== undefined, "token is required"); + + const vaultName = encodeURIComponent(settings.vaultName.trim()); + const baseUrl = `${settings.remoteUri}/vaults/${vaultName}`; + const headers = { + authorization: `Bearer ${settings.token.trim()}` + }; + + const response = await fetch(`${baseUrl}/documents`, { headers }); + // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion + const result = (await response.json()) as { + latestDocuments: ServerDocument[]; + }; + + const serverDocs = result.latestDocuments.filter((d) => !d.isDeleted); + + // No two non-deleted documents should share the same path + const pathCounts = new Map(); + for (const doc of serverDocs) { + const count = pathCounts.get(doc.relativePath) ?? 0; + pathCounts.set(doc.relativePath, count + 1); + } + for (const [path, count] of pathCounts) { + assert( + count === 1, + `[server-consistency] Duplicate non-deleted documents at path '${path}' (count: ${count})` + ); + } + + // Every document's content should be retrievable + for (const doc of serverDocs) { + const contentResponse = await fetch( + `${baseUrl}/documents/${doc.documentId}/versions/${doc.vaultUpdateId}/content`, + { headers } + ); + assert( + contentResponse.ok, + `[server-consistency] Failed to fetch content for '${doc.relativePath}' (id: ${doc.documentId}): ${contentResponse.status}` + ); + } +} + +async function assertServerStateConsistency( + agent: MockAgent, + settings: Partial +): Promise { + assert(settings.vaultName !== undefined, "vaultName is required"); + assert(settings.token !== undefined, "token is required"); + + const vaultName = encodeURIComponent(settings.vaultName.trim()); + const baseUrl = `${settings.remoteUri}/vaults/${vaultName}`; + const headers = { + authorization: `Bearer ${settings.token.trim()}` + }; + + const response = await fetch(`${baseUrl}/documents`, { headers }); + // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion + const result = (await response.json()) as { + latestDocuments: ServerDocument[]; + }; + + const serverDocs = result.latestDocuments.filter((d) => !d.isDeleted); + const localFiles = agent.getFileList(); + + // Every local file should have a corresponding server document + for (const localFile of localFiles) { + const serverDoc = serverDocs.find( + (d) => d.relativePath === localFile + ); + assert( + serverDoc !== undefined, + `[server-consistency] Local file '${localFile}' not found on server` + ); + } + + // Every non-deleted server document should have a local file + for (const serverDoc of serverDocs) { + assert( + localFiles.includes(serverDoc.relativePath), + `[server-consistency] Server document '${serverDoc.relativePath}' (id: ${serverDoc.documentId}) not found locally` + ); + } + + // Verify content matches for each document + for (const serverDoc of serverDocs) { + const contentResponse = await fetch( + `${baseUrl}/documents/${serverDoc.documentId}/versions/${serverDoc.vaultUpdateId}/content`, + { headers } + ); + const serverBytes = new Uint8Array( + await contentResponse.arrayBuffer() + ); + const localBytes = agent.getFileContent(serverDoc.relativePath); + + assert( + localBytes !== undefined, + `[server-consistency] Local file '${serverDoc.relativePath}' content is undefined` + ); + + const serverText = new TextDecoder().decode(serverBytes); + const localText = new TextDecoder().decode(localBytes); + assert( + serverText === localText, + `[server-consistency] Content mismatch for '${serverDoc.relativePath}':\n server: '${serverText}'\n local: '${localText}'` + ); + } +} + async function runTest({ agentCount, - concurrency, iterations, doDeletes, useResets, @@ -23,7 +168,6 @@ async function runTest({ jitterScaleInSeconds }: { agentCount: number; - concurrency: number; iterations: number; doDeletes: boolean; useResets: boolean; @@ -32,18 +176,18 @@ async function runTest({ }): Promise { slowFileEvents = useSlowFileEvents; doResets = useResets; + errorTracker.reset(); - const settings = `with ${agentCount} agents, concurrency ${concurrency}, iterations ${iterations}, doDeletes ${doDeletes}, doResets ${useResets}, jitterScaleInSeconds ${jitterScaleInSeconds}, useSlowFileEvents ${useSlowFileEvents}`; - console.info(`Running test ${settings}`); + const settings = `with ${agentCount} agents, iterations ${iterations}, doDeletes ${doDeletes}, doResets ${useResets}, jitterScaleInSeconds ${jitterScaleInSeconds}, useSlowFileEvents ${useSlowFileEvents}`; + logger.info(`Running test ${settings}`); const vaultName = uuidv4(); - console.info(`Using vault name: ${vaultName}`); + logger.info(`Using vault name: ${vaultName}`); const initialSettings: Partial = { isSyncEnabled: true, token: " test-token-change-me ", // same as in sync-server/config-e2e.yml with spaces vaultName: randomCasing(vaultName) + (Math.random() > 0.5 ? " " : ""), // extra spaces shouldn't matter - syncConcurrency: concurrency, - remoteUri: "http://localhost:3000" + remoteUri: "http://localhost:3010" }; const clients: MockAgent[] = []; @@ -55,67 +199,140 @@ async function runTest({ doDeletes, useResets, useSlowFileEvents, - jitterScaleInSeconds + jitterScaleInSeconds, + errorTracker ) ); } try { + for (const client of clients) { + const initialDocCount = Math.floor( + Math.random() * MAX_INITIAL_DOCS + ); + if (initialDocCount > 0) { + logger.info( + `Creating ${initialDocCount} initial documents for ${client.name}` + ); + await client.createInitialDocuments(initialDocCount); + } + } + await utils.awaitAll(clients.map(async (client) => client.init())); for (let i = 0; i < iterations; i++) { - console.info(`Iteration ${i + 1}/${iterations}`); + logger.info(`Iteration ${i + 1}/${iterations}`); await utils.awaitAll(clients.map(async (client) => client.act())); await sleep(Math.random() * 200); } - console.info("Stopping agents"); + errorTracker.checkAndThrow(); - // Each agent can have unpushed changes which might conflict with eachother so each has to resolve the conflicts & push, and + logger.info("Stopping agents"); + + // Each agent can have unpushed changes which might conflict with eachother so each has to resolve the conflicts & push, and pull for (const client of clients) { try { - console.info(`Finishing up ${client.name}`); + logger.info(`Finishing up ${client.name}`); + await client.waitUntilSynced(); await client.finish(); } catch (err) { - if (!slowFileEvents) { + if (err instanceof TimeoutError || !slowFileEvents) { throw err; } } } - // then we need a second pass to ensure that all agents pull the same state. + // Wait for in-flight broadcasts to propagate and be processed + await sleep(5000); for (const client of clients) { try { - console.info(`Destroying ${client.name}`); - await client.destroy(); + await client.waitUntilSynced(); } catch (err) { - if (!slowFileEvents) { + if (err instanceof TimeoutError || !slowFileEvents) { throw err; } } } - console.info("Agents finished successfully"); + // Stuck detection: if agents haven't converged yet, retry + // to distinguish "still propagating" from "permanently stuck". + if (!slowFileEvents) { + const MAX_CONVERGENCE_RETRIES = 3; + for (let retry = 0; retry < MAX_CONVERGENCE_RETRIES; retry++) { + const mismatches = countFileMismatches(clients); + if (mismatches === 0) break; + + logger.info( + `Convergence retry ${retry + 1}/${MAX_CONVERGENCE_RETRIES}: ${mismatches} file mismatches, waiting 5s...` + ); + await sleep(5000); + for (const client of clients) { + await client.waitUntilSynced(); + } + } + } + + // then we need a second pass to ensure that all agents pull the same state + for (const client of clients) { + try { + logger.info(`Destroying ${client.name}`); + await client.destroy(); + } catch (err) { + if (err instanceof TimeoutError || !slowFileEvents) { + throw err; + } + } + } + + logger.info("Agents finished successfully"); + errorTracker.checkAndThrow(); clients.slice(0, -1).forEach((client, i) => { - console.info( + logger.info( `Checking consistency between ${client.name} and ${clients[i + 1].name}` ); - client.assertFileSystemsAreConsistent(clients[i]); - console.info(`Consistency check for ${client.name} passed`); + client.assertFileSystemsAreConsistent(clients[i + 1]); + logger.info(`Consistency check for ${client.name} passed`); }); - console.info("File systems found to be consistent"); + logger.info("File systems found to be consistent"); clients.forEach((client) => { - console.info(`Checking content for ${client.name}`); + logger.info(`Checking content for ${client.name}`); client.assertAllContentIsPresentOnce(); - console.info(`Content check for ${client.name} passed`); + logger.info(`Content check for ${client.name} passed`); }); - console.info(`Test passed ${settings}`); + clients.forEach((client) => { + logger.info( + `Checking binary content duplication for ${client.name}` + ); + client.assertBinaryContentNotDuplicated(); + logger.info( + `Binary content duplication check for ${client.name} passed` + ); + }); + + // Server-side invariants (no duplicate paths, content retrievable) + // hold regardless of file-event timing — always check them. + logger.info("Checking server-side consistency"); + await assertServerSideConsistency(initialSettings); + logger.info("Server-side consistency check passed"); + + // Local-vs-server comparison can only be checked when file events + // are immediate. With slow events, operations can timeout before + // the local state fully converges with the server, leaving + // local-only files (from deconfliction) that were never uploaded. + if (!slowFileEvents) { + logger.info("Checking local-server state consistency"); + await assertServerStateConsistency(clients[0], initialSettings); + logger.info("Local-server state consistency check passed"); + } + + logger.info(`Test passed ${settings}`); } catch (err) { - console.error(`Test failed ${settings}`); + logger.error(`Test failed ${settings}`); throw err; } } @@ -124,7 +341,6 @@ async function runTests(): Promise { for (let i = 0; i < TEST_ITERATIONS; i++) { await runTest({ agentCount: 2, - concurrency: 16, iterations: 100, doDeletes: true, useResets: true, @@ -133,24 +349,62 @@ async function runTests(): Promise { }); for (const useSlowFileEvents of [true, false]) { - for (const concurrency of [ - 16, - 1 // test with concurrency 1 to check for deadlocks - ]) { - for (const doDeletes of [false, true]) { - await runTest({ - agentCount: 2, - concurrency, - iterations: 100, - doDeletes, - useResets: false, - useSlowFileEvents, - jitterScaleInSeconds: 0.75 - }); - } + for (const doDeletes of [false, true]) { + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes, + useResets: false, + useSlowFileEvents, + jitterScaleInSeconds: 0.75 + }); } } } + + // Multi-agent tests (once per process, not repeated TEST_ITERATIONS times) + await runTest({ + agentCount: 3, + iterations: 75, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + await runTest({ + agentCount: 3, + iterations: 75, + doDeletes: false, + useResets: true, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + await runTest({ + agentCount: 4, + iterations: 50, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.75 + }); + + // Jitter scale variation (once per process) + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes: true, + useResets: false, + useSlowFileEvents: false, + jitterScaleInSeconds: 0.1 + }); + await runTest({ + agentCount: 2, + iterations: 100, + doDeletes: true, + useResets: true, + useSlowFileEvents: false, + jitterScaleInSeconds: 1.5 + }); } process.on("uncaughtException", (error) => { @@ -163,12 +417,19 @@ process.on("uncaughtException", (error) => { return; } - console.error("Uncaught exception:", error); + logger.error(`Error - uncaught exception: ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); process.on("unhandledRejection", (error, _promise) => { - if (error instanceof Error && error.message === "Sync was reset") { + if ( + error instanceof Error && + (error.message === "Sync was reset" || + error.name === "SyncResetError") + ) { return; } @@ -191,7 +452,10 @@ process.on("unhandledRejection", (error, _promise) => { return; } - console.error("Unhandled rejection:", error); + logger.error(`Error - unhandled rejection: ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); @@ -199,7 +463,10 @@ runTests() .then(() => { process.exit(0); }) - .catch((err: unknown) => { - console.error(err); + .catch((error: unknown) => { + logger.error(`Error - tests failed with ${error}`); + if (error instanceof Error && error.stack != null) { + logger.error(error.stack); + } process.exit(1); }); diff --git a/frontend/test-client/src/utils/test-error-tracker.ts b/frontend/test-client/src/utils/test-error-tracker.ts new file mode 100644 index 00000000..0702ea2e --- /dev/null +++ b/frontend/test-client/src/utils/test-error-tracker.ts @@ -0,0 +1,34 @@ +/** + * Centralized error tracking for E2E tests. Replaces the fire-and-forget + * `sleep(100).then(() => process.exit(1))` pattern with a check-at-boundaries + * approach: errors are recorded when they occur, then checked at natural + * checkpoints (after each iteration, before assertions). + * + * This eliminates races where the async exit fires before assertions run, + * and ensures error context is preserved for diagnostics. + */ +export class TestErrorTracker { + private firstError: { agentName: string; message: string } | null = null; + + public recordError(agentName: string, message: string): void { + this.firstError ??= { agentName, message }; + } + + /** + * If an error was recorded, throw it. Call this at natural checkpoints: + * after each iteration, before assertions, etc. + */ + public checkAndThrow(): void { + if (this.firstError !== null) { + const { agentName, message } = this.firstError; + throw new Error( + `ERROR-level log from ${agentName}: ${message}` + ); + } + } + + /** Clear recorded errors. Call at the start of each test. */ + public reset(): void { + this.firstError = null; + } +} diff --git a/frontend/test-client/src/utils/with-timeout.ts b/frontend/test-client/src/utils/with-timeout.ts index 71c9568b..6de73531 100644 --- a/frontend/test-client/src/utils/with-timeout.ts +++ b/frontend/test-client/src/utils/with-timeout.ts @@ -1,3 +1,10 @@ +export class TimeoutError extends Error { + public constructor(message: string) { + super(message); + this.name = "TimeoutError"; + } +} + export async function withTimeout( promise: Promise, timeoutMs: number, @@ -8,7 +15,9 @@ export async function withTimeout( new Promise((_, reject) => setTimeout(() => { reject( - new Error(`${operationName} timed out after ${timeoutMs}ms`) + new TimeoutError( + `${operationName} timed out after ${timeoutMs}ms` + ) ); }, timeoutMs) ) diff --git a/frontend/test-client/tsconfig.json b/frontend/test-client/tsconfig.json index e86df89d..7558871d 100644 --- a/frontend/test-client/tsconfig.json +++ b/frontend/test-client/tsconfig.json @@ -5,13 +5,8 @@ "target": "ES2022", "module": "CommonJS", "esModuleInterop": true, - "lib": [ - "DOM", - "ES2024", - ], + "lib": ["DOM", "ES2024"], "moduleResolution": "node" }, - "exclude": [ - "./dist" - ] + "exclude": ["./dist"] } diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 00000000..a669e690 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,6 @@ +{ + "name": "vault-link", + "lockfileVersion": 3, + "requires": true, + "packages": {} +} diff --git a/rustfmt.toml b/rustfmt.toml new file mode 100644 index 00000000..a9107050 --- /dev/null +++ b/rustfmt.toml @@ -0,0 +1,11 @@ +# Rustfmt configuration +# This should match the .editorconfig settings + +# Use spaces for indentation (matches .editorconfig indent_style = space) +hard_tabs = false + +# Use 4 spaces for indentation (matches .editorconfig indent_size = 4) +tab_spaces = 4 + +# Use Unix line endings (matches .editorconfig end_of_line = lf) +newline_style = "Unix" diff --git a/scripts/bump-version.sh b/scripts/bump-version.sh index fb953e2a..bea3d982 100755 --- a/scripts/bump-version.sh +++ b/scripts/bump-version.sh @@ -35,7 +35,8 @@ cd .. cp frontend/obsidian-plugin/manifest.json manifest.json # for BRAT, otherwise it wouldn't update -git ls-files | xargs npx eclint fix +# Format all files across the project (frontend and backend) +npx -C frontend prettier --write "**/*.{ts,js,json,md,yml,yaml}" # Commit and tag git add . diff --git a/scripts/check.sh b/scripts/check.sh index 7c3c87e5..2ee0dd62 100755 --- a/scripts/check.sh +++ b/scripts/check.sh @@ -30,8 +30,11 @@ fi which cargo-machete || cargo install cargo-machete cargo machete --with-metadata +cd .. +scripts/update-api-types.sh # this will dirty up the git state if not up-to-date + echo "Running checks in frontend" -cd ../frontend +cd frontend if [[ "$FIX_MODE" == true ]]; then npm install @@ -45,10 +48,11 @@ cd frontend npm run build npm run test npm run lint +cd .. -# Use git ls-files to only check tracked files, respecting .gitignore -# We always run in fix mode and then check with git status -git ls-files | xargs npx eclint fix +# Format all files across the project (frontend and backend) +# Prettier respects .gitignore by default +npx -C frontend prettier --write "**/*.{ts,js,json,md,yml,yaml}" if [[ "$FIX_MODE" == false ]] && [[ $(git status --porcelain) ]]; then git status --porcelain @@ -56,6 +60,4 @@ if [[ "$FIX_MODE" == false ]] && [[ $(git status --porcelain) ]]; then exit 1 fi -cd .. - echo "Success" diff --git a/scripts/e2e.sh b/scripts/e2e.sh index 6c66e835..f9e84a69 100755 --- a/scripts/e2e.sh +++ b/scripts/e2e.sh @@ -19,35 +19,48 @@ process_count=$1 mkdir -p logs +# Build and restart the server +echo "Building server..." +cd sync-server +cargo build --release + +# Kill any existing server process +echo "Stopping existing server..." +pkill -f "sync_server" 2>/dev/null || true +sleep 1 + +# Clean databases +echo "Cleaning databases..." +rm -rf databases + +# Start the server in the background +echo "Starting server..." +./target/release/sync_server config-e2e.yml & +server_pid=$! +echo "Server started with PID: $server_pid" + +# Ensure server is killed on script exit +cleanup_server() { + echo "Stopping server (PID: $server_pid)..." + kill $server_pid 2>/dev/null || true + wait $server_pid 2>/dev/null || true +} +trap cleanup_server EXIT + +cd .. + cd frontend npm ci npm run build ../scripts/utils/wait-for-server.sh -cd .. -scripts/update-api-types.sh -if [[ $(git status --porcelain) ]]; then - git status --porcelain - echo "Failing CI because the working directory is not clean after generating api types" - exit 1 -fi -cd frontend - pids=() for i in $(seq 1 $process_count); do - # Create a named pipe for this process - pipe="/tmp/vaultlink_pipe_$$_$i" - mkfifo "$pipe" - - # Start the node process writing to the pipe - node test-client/dist/cli.js > "$pipe" 2>&1 & + node test-client/dist/cli.js > "../logs/log_${i}.log" 2>&1 & pid=$! pids+=($pid) - echo "Started process $i with PID: $pid" - - # Read from pipe, prefix with PID - (sed "s/^/[PID $pid] /" < "$pipe" > "../logs/log_${i}.log"; rm "$pipe") & + echo "Started process $i with PID: $pid (log: logs/log_${i}.log)" done cd .. @@ -75,10 +88,25 @@ print_failed_log() { return 1 } -echo "Monitoring $process_count processes" +E2E_TIMEOUT=${2:-3600} +start_time=$(date +%s) +echo "Monitoring $process_count processes (timeout: ${E2E_TIMEOUT}s)" # Monitor processes while true; do + # Script-level timeout to prevent indefinite hangs + current_time=$(date +%s) + elapsed=$((current_time - start_time)) + if [ $elapsed -ge $E2E_TIMEOUT ]; then + echo "E2E timeout reached (${E2E_TIMEOUT}s). Killing remaining processes." + for pid in "${pids[@]}"; do + if [ -n "$pid" ]; then + kill $pid 2>/dev/null || true + fi + done + exit 1 + fi + if print_failed_log; then # Kill remaining processes for pid in "${pids[@]}"; do diff --git a/scripts/update-api-types.sh b/scripts/update-api-types.sh index 4b947ee8..36ca100d 100755 --- a/scripts/update-api-types.sh +++ b/scripts/update-api-types.sh @@ -12,5 +12,7 @@ cp -r sync-server/bindings/* frontend/sync-client/src/services/types/ cd frontend npm run lint -git ls-files | xargs npx eclint fix -cd - +cd .. + +# Format all files across the project (frontend and backend) +npx -C frontend prettier --write "**/*.{ts,js,json,md,yml,yaml}" diff --git a/scripts/utils/check-node.sh b/scripts/utils/check-node.sh index c9ede47e..d93f2f27 100755 --- a/scripts/utils/check-node.sh +++ b/scripts/utils/check-node.sh @@ -2,8 +2,10 @@ set -e +TARGET_NODE_VERSION=25 + node_version=$(node -v | sed 's/^v\([0-9]*\).*/\1/') -if [ "$node_version" != "22" ]; then - echo "Error: This script requires Node.js version 22, found: $node_version" +if [ "$node_version" != "$TARGET_NODE_VERSION" ]; then + echo "Error: This script requires Node.js version $TARGET_NODE_VERSION, found: $node_version" exit 1 fi diff --git a/scripts/utils/wait-for-server.sh b/scripts/utils/wait-for-server.sh index 7824c405..71103477 100755 --- a/scripts/utils/wait-for-server.sh +++ b/scripts/utils/wait-for-server.sh @@ -2,14 +2,14 @@ set -e -SERVER_URL="http://localhost:3000" +SERVER_URL="http://localhost:3010" MAX_RETRIES=30 RETRY_INTERVAL_IN_SECONDS=5 echo "Waiting for $SERVER_URL to become available..." count=0 while [ $count -lt $MAX_RETRIES ]; do - if curl -s -f -o /dev/null $SERVER_URL; then + if curl -s -o /dev/null $SERVER_URL; then echo "$SERVER_URL is now available!" break fi diff --git a/sync-server/Cargo.lock b/sync-server/Cargo.lock index b3da1486..ce4b125d 100644 --- a/sync-server/Cargo.lock +++ b/sync-server/Cargo.lock @@ -337,10 +337,11 @@ checksum = "325918d6fe32f23b19878fe4b34794ae41fc19ddbe53b10571a4874d44ffd39b" [[package]] name = "cc" -version = "1.2.2" +version = "1.2.57" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f34d93e62b03caf570cccc334cbc6c2fceca82f39211051345108adcba3eebdc" +checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423" dependencies = [ + "find-msvc-tools", "shlex", ] @@ -350,6 +351,12 @@ version = "1.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268" +[[package]] +name = "cfg_aliases" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724" + [[package]] name = "chrono" version = "0.4.41" @@ -624,6 +631,12 @@ version = "2.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "486f806e73c5707928240ddc295403b1b93c96a02038563881c4a2fd84b81ac4" +[[package]] +name = "find-msvc-tools" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582" + [[package]] name = "flume" version = "0.11.1" @@ -773,8 +786,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7" dependencies = [ "cfg-if", + "js-sys", "libc", "wasi 0.11.0+wasi-snapshot-preview1", + "wasm-bindgen", ] [[package]] @@ -957,6 +972,24 @@ dependencies = [ "pin-project-lite", "smallvec", "tokio", + "want", +] + +[[package]] +name = "hyper-rustls" +version = "0.27.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e3c93eb611681b207e1fe55d5a71ecf91572ec8a6705cdb6857f7d8d5242cf58" +dependencies = [ + "http", + "hyper", + "hyper-util", + "rustls", + "rustls-pki-types", + "tokio", + "tokio-rustls", + "tower-service", + "webpki-roots 1.0.6", ] [[package]] @@ -966,13 +999,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "df2dcfbe0677734ab2f3ffa7fa7bfd4706bfdc1ef393f2ee30184aed67e631b4" dependencies = [ "bytes", + "futures-channel", "futures-util", "http", "http-body", "hyper", "pin-project-lite", + "socket2 0.5.10", "tokio", "tower-service", + "tracing", ] [[package]] @@ -1153,6 +1189,12 @@ dependencies = [ "hashbrown", ] +[[package]] +name = "ipnet" +version = "2.12.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d98f6fed1fde3f8c21bc40a1abb88dd75e67924f9cffc3ef95607bad8017f8e2" + [[package]] name = "is_terminal_polyfill" version = "1.70.1" @@ -1272,6 +1314,16 @@ version = "0.3.17" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a" +[[package]] +name = "mime_guess" +version = "2.0.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e" +dependencies = [ + "mime", + "unicase", +] + [[package]] name = "miniz_oxide" version = "0.8.0" @@ -1505,6 +1557,58 @@ dependencies = [ "unicode-ident", ] +[[package]] +name = "quinn" +version = "0.11.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "62e96808277ec6f97351a2380e6c25114bc9e67037775464979f3037c92d05ef" +dependencies = [ + "bytes", + "pin-project-lite", + "quinn-proto", + "quinn-udp", + "rustc-hash", + "rustls", + "socket2 0.5.10", + "thiserror 2.0.18", + "tokio", + "tracing", +] + +[[package]] +name = "quinn-proto" +version = "0.11.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a2fe5ef3495d7d2e377ff17b1a8ce2ee2ec2a18cde8b6ad6619d65d0701c135d" +dependencies = [ + "bytes", + "getrandom 0.2.15", + "rand 0.8.5", + "ring", + "rustc-hash", + "rustls", + "rustls-pki-types", + "slab", + "thiserror 2.0.18", + "tinyvec", + "tracing", + "web-time", +] + +[[package]] +name = "quinn-udp" +version = "0.5.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "addec6a0dcad8a8d96a771f815f0eaf55f9d1805756410b39f5fa81332574cbd" +dependencies = [ + "cfg_aliases", + "libc", + "once_cell", + "socket2 0.6.0", + "tracing", + "windows-sys 0.59.0", +] + [[package]] name = "quote" version = "1.0.37" @@ -1582,12 +1686,12 @@ dependencies = [ [[package]] name = "reconcile-text" -version = "0.8.0" +version = "0.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "599cf9539996a2a19e501110404c59ba62f4974009f8fb864a8b7151c15ee5a5" +checksum = "52e0cf361887ea64c479ca871c1170dda761f84e122f2616b5579906a38d7557" dependencies = [ "serde", - "thiserror 2.0.17", + "thiserror 2.0.18", ] [[package]] @@ -1628,6 +1732,63 @@ version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c" +[[package]] +name = "reqwest" +version = "0.12.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "43e734407157c3c2034e0258f5e4473ddb361b1e85f95a66690d67264d7cd1da" +dependencies = [ + "base64 0.22.1", + "bytes", + "futures-core", + "futures-util", + "http", + "http-body", + "http-body-util", + "hyper", + "hyper-rustls", + "hyper-util", + "ipnet", + "js-sys", + "log", + "mime", + "once_cell", + "percent-encoding", + "pin-project-lite", + "quinn", + "rustls", + "rustls-pemfile", + "rustls-pki-types", + "serde", + "serde_json", + "serde_urlencoded", + "sync_wrapper", + "tokio", + "tokio-rustls", + "tower", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "web-sys", + "webpki-roots 0.26.11", + "windows-registry", +] + +[[package]] +name = "ring" +version = "0.17.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a4689e6c2294d81e88dc6261c768b63bc4fcdb852be6d1352498b114f61383b7" +dependencies = [ + "cc", + "cfg-if", + "getrandom 0.2.15", + "libc", + "untrusted", + "windows-sys 0.52.0", +] + [[package]] name = "rsa" version = "0.9.7" @@ -1648,12 +1809,52 @@ dependencies = [ "zeroize", ] +[[package]] +name = "rust-embed" +version = "8.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "04113cb9355a377d83f06ef1f0a45b8ab8cd7d8b1288160717d66df5c7988d27" +dependencies = [ + "rust-embed-impl", + "rust-embed-utils", + "walkdir", +] + +[[package]] +name = "rust-embed-impl" +version = "8.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "da0902e4c7c8e997159ab384e6d0fc91c221375f6894346ae107f47dd0f3ccaa" +dependencies = [ + "proc-macro2", + "quote", + "rust-embed-utils", + "syn 2.0.90", + "walkdir", +] + +[[package]] +name = "rust-embed-utils" +version = "8.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5bcdef0be6fe7f6fa333b1073c949729274b05f123a0ad7efcb8efd878e5c3b1" +dependencies = [ + "sha2", + "walkdir", +] + [[package]] name = "rustc-demangle" version = "0.1.24" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f" +[[package]] +name = "rustc-hash" +version = "2.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d" + [[package]] name = "rustix" version = "0.38.41" @@ -1667,6 +1868,50 @@ dependencies = [ "windows-sys 0.52.0", ] +[[package]] +name = "rustls" +version = "0.23.37" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "758025cb5fccfd3bc2fd74708fd4682be41d99e5dff73c377c0646c6012c73a4" +dependencies = [ + "once_cell", + "ring", + "rustls-pki-types", + "rustls-webpki", + "subtle", + "zeroize", +] + +[[package]] +name = "rustls-pemfile" +version = "2.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dce314e5fee3f39953d46bb63bb8a46d40c2f8fb7cc5a3b6cab2bde9721d6e50" +dependencies = [ + "rustls-pki-types", +] + +[[package]] +name = "rustls-pki-types" +version = "1.14.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "be040f8b0a225e40375822a563fa9524378b9d63112f53e19ffff34df5d33fdd" +dependencies = [ + "web-time", + "zeroize", +] + +[[package]] +name = "rustls-webpki" +version = "0.103.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d7df23109aa6c1567d1c575b9952556388da57401e4ace1d15f79eedad0d8f53" +dependencies = [ + "ring", + "rustls-pki-types", + "untrusted", +] + [[package]] name = "rustversion" version = "1.0.18" @@ -1679,6 +1924,15 @@ version = "1.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f" +[[package]] +name = "same-file" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502" +dependencies = [ + "winapi-util", +] + [[package]] name = "sanitize-filename" version = "0.6.0" @@ -1846,6 +2100,16 @@ dependencies = [ "serde", ] +[[package]] +name = "socket2" +version = "0.5.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e22376abed350d73dd1cd119b57ffccad95b4e585a7cda43e286245ce23c0678" +dependencies = [ + "libc", + "windows-sys 0.52.0", +] + [[package]] name = "socket2" version = "0.6.0" @@ -1916,7 +2180,7 @@ dependencies = [ "serde_json", "sha2", "smallvec", - "thiserror 2.0.17", + "thiserror 2.0.18", "tokio", "tokio-stream", "tracing", @@ -2000,7 +2264,7 @@ dependencies = [ "smallvec", "sqlx-core", "stringprep", - "thiserror 2.0.17", + "thiserror 2.0.18", "tracing", "uuid", "whoami", @@ -2039,7 +2303,7 @@ dependencies = [ "smallvec", "sqlx-core", "stringprep", - "thiserror 2.0.17", + "thiserror 2.0.18", "tracing", "uuid", "whoami", @@ -2065,7 +2329,7 @@ dependencies = [ "serde", "serde_urlencoded", "sqlx-core", - "thiserror 2.0.17", + "thiserror 2.0.18", "tracing", "url", "uuid", @@ -2136,15 +2400,18 @@ dependencies = [ "futures", "humantime-serde", "log", + "mime_guess", "rand 0.9.0", "reconcile-text", "regex", + "reqwest", + "rust-embed", "sanitize-filename", "serde", "serde_json", "serde_yaml", "sqlx", - "thiserror 2.0.17", + "thiserror 2.0.18", "tokio", "tower-http", "tracing", @@ -2158,6 +2425,9 @@ name = "sync_wrapper" version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0bf256ce5efdfa370213c1dabab5935a12e49f2c58d15e9eac2870d3b4f27263" +dependencies = [ + "futures-core", +] [[package]] name = "synstructure" @@ -2203,11 +2473,11 @@ dependencies = [ [[package]] name = "thiserror" -version = "2.0.17" +version = "2.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8" +checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4" dependencies = [ - "thiserror-impl 2.0.17", + "thiserror-impl 2.0.18", ] [[package]] @@ -2223,9 +2493,9 @@ dependencies = [ [[package]] name = "thiserror-impl" -version = "2.0.17" +version = "2.0.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913" +checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5" dependencies = [ "proc-macro2", "quote", @@ -2276,10 +2546,9 @@ dependencies = [ "bytes", "libc", "mio", - "parking_lot", "pin-project-lite", "signal-hook-registry", - "socket2", + "socket2 0.6.0", "tokio-macros", "windows-sys 0.61.2", ] @@ -2295,6 +2564,16 @@ dependencies = [ "syn 2.0.90", ] +[[package]] +name = "tokio-rustls" +version = "0.26.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1729aa945f29d91ba541258c8df89027d5792d85a8841fb65e8bf0f4ede4ef61" +dependencies = [ + "rustls", + "tokio", +] + [[package]] name = "tokio-stream" version = "0.1.17" @@ -2426,6 +2705,12 @@ dependencies = [ "tracing-log", ] +[[package]] +name = "try-lock" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b" + [[package]] name = "ts-rs" version = "10.1.0" @@ -2434,7 +2719,7 @@ checksum = "e640d9b0964e9d39df633548591090ab92f7a4567bc31d3891af23471a3365c6" dependencies = [ "chrono", "lazy_static", - "thiserror 2.0.17", + "thiserror 2.0.18", "ts-rs-macros", "uuid", ] @@ -2481,6 +2766,12 @@ version = "0.10.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f720def6ce1ee2fc44d40ac9ed6d3a59c361c80a75a7aa8e75bb9baed31cf2ea" +[[package]] +name = "unicase" +version = "2.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dbc4bc3a9f746d862c45cb89d705aa10f187bb96c76001afab07a0d35ce60142" + [[package]] name = "unicode-bidi" version = "0.3.17" @@ -2514,6 +2805,12 @@ version = "0.2.11" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861" +[[package]] +name = "untrusted" +version = "0.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1" + [[package]] name = "url" version = "2.5.4" @@ -2577,6 +2874,25 @@ version = "0.9.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a" +[[package]] +name = "walkdir" +version = "2.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b" +dependencies = [ + "same-file", + "winapi-util", +] + +[[package]] +name = "want" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e" +dependencies = [ + "try-lock", +] + [[package]] name = "wasi" version = "0.11.0+wasi-snapshot-preview1" @@ -2623,6 +2939,19 @@ dependencies = [ "wasm-bindgen-shared", ] +[[package]] +name = "wasm-bindgen-futures" +version = "0.4.49" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "38176d9b44ea84e9184eff0bc34cc167ed044f816accfe5922e54d84cf48eca2" +dependencies = [ + "cfg-if", + "js-sys", + "once_cell", + "wasm-bindgen", + "web-sys", +] + [[package]] name = "wasm-bindgen-macro" version = "0.2.99" @@ -2652,6 +2981,44 @@ version = "0.2.99" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6" +[[package]] +name = "web-sys" +version = "0.3.76" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "04dd7223427d52553d3702c004d3b2fe07c148165faa56313cb00211e31c12bc" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + +[[package]] +name = "web-time" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + +[[package]] +name = "webpki-roots" +version = "0.26.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "521bc38abb08001b01866da9f51eb7c5d647a19260e00054a8c7fd5f9e57f7a9" +dependencies = [ + "webpki-roots 1.0.6", +] + +[[package]] +name = "webpki-roots" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "22cfaf3c063993ff62e73cb4311efde4db1efb31ab78a3e5c457939ad5cc0bed" +dependencies = [ + "rustls-pki-types", +] + [[package]] name = "whoami" version = "1.5.2" @@ -2692,6 +3059,36 @@ version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5" +[[package]] +name = "windows-registry" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e400001bb720a623c1c69032f8e3e4cf09984deec740f007dd2b03ec864804b0" +dependencies = [ + "windows-result", + "windows-strings", + "windows-targets 0.52.6", +] + +[[package]] +name = "windows-result" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1d1043d8214f791817bab27572aaa8af63732e11bf84aa21a45a78d6c317ae0e" +dependencies = [ + "windows-targets 0.52.6", +] + +[[package]] +name = "windows-strings" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4cd9b125c486025df0eabcb585e62173c6c9eddcec5d117d3b6e8c30e2ee4d10" +dependencies = [ + "windows-result", + "windows-targets 0.52.6", +] + [[package]] name = "windows-sys" version = "0.48.0" diff --git a/sync-server/Cargo.toml b/sync-server/Cargo.toml index fac06efa..ee2d8276 100644 --- a/sync-server/Cargo.toml +++ b/sync-server/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "sync_server" -rust-version = "1.89.0" +rust-version = "1.94.0" authors = ["Andras Schmelczer "] edition = "2024" license = "MIT" @@ -10,7 +10,7 @@ version = "0.14.0" [dependencies] serde = { version = "1.0.219", default-features = false, features = ["derive"] } thiserror = { version = "2.0.12", default-features = false } -tokio = { version = "1.48.0", features = ["full"]} +tokio = { version = "1.48.0", features = ["macros", "rt-multi-thread", "sync", "time", "net", "fs", "signal"]} uuid = { version = "1.16.0", features = ["v4", "serde"] } log = { version = "0.4.28" } anyhow = { version = "1.0.100", features = ["backtrace"] } @@ -33,7 +33,10 @@ serde_json = "1.0.140" bimap = "0.6.3" ts-rs = { version = "10.1", features = ["uuid-impl", "chrono-impl"] } base64 = "0.22.1" -reconcile-text = { version = "0.8.0", features = ["serde"] } +reconcile-text = { version = "0.11.0", features = ["serde"] } +rust-embed = "8.5" +mime_guess = "2.0" +reqwest = { version = "0.12", default-features = false, features = ["rustls-tls"] } [profile.release] codegen-units = 1 diff --git a/sync-server/build.rs b/sync-server/build.rs index d5068697..53bd111b 100644 --- a/sync-server/build.rs +++ b/sync-server/build.rs @@ -1,5 +1,16 @@ -// generated by `sqlx migrate build-script` fn main() { // trigger recompilation when a new migration is added println!("cargo:rerun-if-changed=migrations"); + + // Ensure the history-ui dist directory exists so rust-embed can compile + // even when the frontend hasn't been built yet. + let dist_path = std::path::Path::new("../frontend/history-ui/dist"); + if !dist_path.exists() { + std::fs::create_dir_all(dist_path).expect("Failed to create history-ui dist directory"); + std::fs::write( + dist_path.join("index.html"), + "

Run npm run build -w history-ui first.

", + ) + .expect("Failed to write placeholder index.html"); + } } diff --git a/sync-server/config-e2e.yml b/sync-server/config-e2e.yml index 1f235b01..3d2c40ed 100644 --- a/sync-server/config-e2e.yml +++ b/sync-server/config-e2e.yml @@ -1,12 +1,14 @@ database: databases_directory_path: databases - max_connections_per_vault: 12 + max_connections_per_vault: 64 cursor_timeout: 1m server: host: 0.0.0.0 - port: 3000 + port: 3010 max_body_size_mb: 512 max_clients_per_vault: 256 + broadcast_channel_capacity: 1024 + dev_proxy_url: "http://localhost:5173" response_timeout: 30m mergeable_file_extensions: - md diff --git a/sync-server/rust-toolchain.toml b/sync-server/rust-toolchain.toml index 010956cc..567721ef 100644 --- a/sync-server/rust-toolchain.toml +++ b/sync-server/rust-toolchain.toml @@ -1,5 +1,5 @@ [toolchain] -channel = "1.89.0" +channel = "1.94.0" targets = [ "x86_64-unknown-linux-gnu", "x86_64-unknown-linux-musl", diff --git a/sync-server/src/app_state.rs b/sync-server/src/app_state.rs index 2019e08e..2b29e387 100644 --- a/sync-server/src/app_state.rs +++ b/sync-server/src/app_state.rs @@ -2,6 +2,11 @@ pub mod cursors; pub mod database; pub mod websocket; +use std::sync::{ + Arc, + atomic::AtomicUsize, +}; + use anyhow::Result; use cursors::Cursors; use database::Database; @@ -15,21 +20,34 @@ pub struct AppState { pub database: Database, pub cursors: Cursors, pub broadcasts: Broadcasts, + /// Tracks WebSocket connections that have upgraded but not yet completed + /// the authentication handshake. + pub pending_ws_connections: Arc, + /// Send on this channel to stop background tasks (cursor cleanup, + /// idle-pool cleanup). Held by `AppState` so dropping it also + /// triggers shutdown. + #[allow(dead_code)] + shutdown_tx: Arc>, } impl AppState { pub async fn try_new(config: Config) -> Result { + let (shutdown_tx, shutdown_rx) = tokio::sync::watch::channel(()); + let broadcasts = Broadcasts::new(&config.server); - let database = Database::try_new(&config.database, &broadcasts).await?; + let database = + Database::try_new(&config.database, &broadcasts, shutdown_rx.clone()).await?; let cursors: Cursors = Cursors::new(&config.database, &broadcasts); - Cursors::start_background_task(cursors.clone()); + Cursors::start_background_task(cursors.clone(), shutdown_rx); Ok(Self { config, database, cursors, broadcasts, + pending_ws_connections: Arc::new(AtomicUsize::new(0)), + shutdown_tx: Arc::new(shutdown_tx), }) } } diff --git a/sync-server/src/app_state/cursors.rs b/sync-server/src/app_state/cursors.rs index d083e1ac..8a4bd38c 100644 --- a/sync-server/src/app_state/cursors.rs +++ b/sync-server/src/app_state/cursors.rs @@ -42,7 +42,9 @@ impl Cursors { ) { let mut vault_to_cursors = self.vault_to_cursors.lock().await; - let all_device_cursors = vault_to_cursors.entry(vault_id).or_insert_with(Vec::new); + let all_device_cursors = vault_to_cursors + .entry(vault_id.clone()) + .or_insert_with(Vec::new); all_device_cursors.retain(|c| &c.client_cursors.device_id != device_id); all_device_cursors.push(ClientCursorsWithTimeToLive::new(ClientCursors { @@ -51,8 +53,11 @@ impl Cursors { documents_with_cursors: document_to_cursors, })); - drop(vault_to_cursors); // Explicitly drop the lock before broadcasting to avoid deadlock - self.broadcast_cursors().await; + // IMPORTANT: Drop the lock BEFORE calling broadcast_cursors_for_vault, + // which re-acquires the same lock internally. Holding the lock here + // while calling broadcast would cause a deadlock. + drop(vault_to_cursors); + self.broadcast_cursors_for_vault(&vault_id).await; } pub async fn get_cursors(&self, vault_id: &VaultId) -> Vec { @@ -69,45 +74,83 @@ impl Cursors { .unwrap_or_default() } - pub fn start_background_task(self) { + pub fn start_background_task(self, mut shutdown: tokio::sync::watch::Receiver<()>) { tokio::spawn(async move { loop { - self.remove_expired_cursors().await; - tokio::time::sleep(Duration::from_secs(1)).await; + tokio::select! { + () = tokio::time::sleep(Duration::from_secs(1)) => { + self.remove_expired_cursors().await; + } + Ok(()) = shutdown.changed() => break, + } } }); } async fn remove_expired_cursors(&self) { - let mut vault_to_cursors = self.vault_to_cursors.lock().await; + let changed_vaults: Vec = { + let mut vault_to_cursors = self.vault_to_cursors.lock().await; - for (_vault_id, cursors) in vault_to_cursors.iter_mut() { - cursors.retain(|cursor| !cursor.is_expired(self.config.cursor_timeout)); + let mut changed = Vec::new(); + for (vault_id, cursors) in vault_to_cursors.iter_mut() { + let before = cursors.len(); + cursors.retain(|cursor| !cursor.is_expired(self.config.cursor_timeout)); + if cursors.len() != before { + changed.push(vault_id.clone()); + } + } + + // Remove empty vault entries to prevent unbounded growth + vault_to_cursors.retain(|_, cursors| !cursors.is_empty()); + + changed + }; + + for vault_id in &changed_vaults { + self.broadcast_cursors_for_vault(vault_id).await; } } - async fn broadcast_cursors(&self) { - let vault_to_cursors = self.vault_to_cursors.lock().await; + async fn broadcast_cursors_for_vault(&self, vault_id: &VaultId) { + let client_cursors: Vec = { + let vault_to_cursors = self.vault_to_cursors.lock().await; + vault_to_cursors + .get(vault_id) + .map(|cursors| cursors.iter().map(|c| c.client_cursors.clone()).collect()) + .unwrap_or_default() + }; - for (vault_id, cursors) in vault_to_cursors.iter() { - self.broadcasts - .send_document_update( - vault_id.clone(), - WebSocketServerMessageWithOrigin::new(WebSocketServerMessage::CursorPositions( - CursorPositionFromServer { - clients: cursors.iter().map(|c| c.client_cursors.clone()).collect(), - }, - )), - ) - .await; - } + self.broadcasts + .send_document_update( + vault_id.clone(), + WebSocketServerMessageWithOrigin::new(WebSocketServerMessage::CursorPositions( + CursorPositionFromServer { + clients: client_cursors, + }, + )), + ) + .await; } - pub async fn remove_cursors_of_device(&self, vault_id: &str, device_id: &str) { - let mut vault_to_cursors = self.vault_to_cursors.lock().await; + pub async fn remove_cursors_of_device(&self, vault_id: &VaultId, device_id: &DeviceId) { + let changed = { + let mut vault_to_cursors = self.vault_to_cursors.lock().await; - if let Some(cursors) = vault_to_cursors.get_mut(vault_id) { - cursors.retain(|c| c.client_cursors.device_id != device_id); + if let Some(cursors) = vault_to_cursors.get_mut(vault_id) { + let before = cursors.len(); + cursors.retain(|c| c.client_cursors.device_id != *device_id); + let changed = cursors.len() != before; + if cursors.is_empty() { + vault_to_cursors.remove(vault_id); + } + changed + } else { + false + } + }; + + if changed { + self.broadcast_cursors_for_vault(vault_id).await; } } } diff --git a/sync-server/src/app_state/database.rs b/sync-server/src/app_state/database.rs index 75ce6df4..944efe97 100644 --- a/sync-server/src/app_state/database.rs +++ b/sync-server/src/app_state/database.rs @@ -6,46 +6,128 @@ use log::info; use models::{ DocumentId, DocumentVersionWithoutContent, StoredDocumentVersion, VaultId, VaultUpdateId, }; -use sqlx::{ConnectOptions, sqlite::SqliteConnectOptions, types::chrono::Utc}; +use sqlx::{ConnectOptions, Connection, sqlite::SqliteConnectOptions, types::chrono::Utc}; pub mod models; -use sqlx::{Pool, Sqlite, sqlite::SqlitePoolOptions}; -use tokio::sync::Mutex; +use sqlx::{ + Pool, Sqlite, pool::PoolConnection, sqlite::SqliteConnection, sqlite::SqlitePoolOptions, +}; +use tokio::sync::{Mutex, OnceCell}; use tokio::time::Instant; use uuid::fmt::Hyphenated; +/// Row struct for vault history queries (used by `sqlx::query_as!`) +#[derive(Debug)] +struct VaultHistoryRow { + vault_update_id: models::VaultUpdateId, + document_id: models::DocumentId, + relative_path: String, + updated_date: chrono::DateTime, + is_deleted: bool, + user_id: String, + device_id: String, + content_size: Option, +} + use super::websocket::{ broadcasts::Broadcasts, models::{WebSocketServerMessage, WebSocketServerMessageWithOrigin, WebSocketVaultUpdate}, }; use crate::config::database_config::DatabaseConfig; +use crate::consts::IDLE_POOL_TIMEOUT; -#[derive(Clone)] -struct PoolWithTimestamp { - pool: Pool, - last_accessed: Instant, -} - -impl std::fmt::Debug for PoolWithTimestamp { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.debug_struct("PoolWithTimestamp") - .field("pool", &"Pool") - .field("last_accessed", &self.last_accessed) - .finish() - } +#[derive(Debug)] +struct VaultPool { + cell: Arc>>, + last_accessed: Mutex, } #[derive(Clone, Debug)] pub struct Database { config: DatabaseConfig, broadcasts: Broadcasts, - connection_pools: Arc>>, + connection_pools: Arc>>>, } -pub type Transaction<'a> = sqlx::Transaction<'a, Sqlite>; +/// A write transaction backed by a raw `BEGIN IMMEDIATE` instead of sqlx's +/// savepoint-based `Transaction`. This avoids the savepoint mismatch caused +/// by the old `END; BEGIN IMMEDIATE;` workaround. +pub struct WriteTransaction { + conn: Option>, +} + +impl WriteTransaction { + async fn new(pool: &Pool) -> Result { + let mut conn = pool + .acquire() + .await + .context("Cannot acquire connection for write transaction")?; + sqlx::query("BEGIN IMMEDIATE") + .execute(&mut *conn) + .await + .context("Cannot begin immediate transaction")?; + Ok(Self { conn: Some(conn) }) + } + + pub async fn commit(mut self) -> Result<()> { + if let Some(mut conn) = self.conn.take() { + sqlx::query("COMMIT") + .execute(&mut *conn) + .await + .context("Failed to commit transaction")?; + } + Ok(()) + } + + pub async fn rollback(mut self) -> Result<()> { + if let Some(mut conn) = self.conn.take() { + sqlx::query("ROLLBACK") + .execute(&mut *conn) + .await + .context("Failed to rollback transaction")?; + } + Ok(()) + } +} + +impl Drop for WriteTransaction { + fn drop(&mut self) { + if self.conn.is_some() { + // The connection is returned to the pool with an open transaction. + // The pool's `before_acquire` hook issues a ROLLBACK before + // handing it to the next consumer, so no async work is needed + // here. If the pool is being shut down, SQLite itself rolls back + // uncommitted transactions when the connection closes. + log::warn!("WriteTransaction dropped without commit or rollback"); + } + } +} + +impl std::ops::Deref for WriteTransaction { + type Target = SqliteConnection; + fn deref(&self) -> &Self::Target { + self.conn + .as_ref() + .expect("BUG: WriteTransaction dereferenced after being consumed") + .deref() + } +} + +impl std::ops::DerefMut for WriteTransaction { + fn deref_mut(&mut self) -> &mut Self::Target { + self.conn + .as_mut() + .expect("BUG: WriteTransaction dereferenced after being consumed") + .deref_mut() + } +} impl Database { - pub async fn try_new(config: &DatabaseConfig, broadcasts: &Broadcasts) -> Result { + pub async fn try_new( + config: &DatabaseConfig, + broadcasts: &Broadcasts, + shutdown: tokio::sync::watch::Receiver<()>, + ) -> Result { tokio::fs::create_dir_all(&config.databases_directory_path) .await .with_context(|| { @@ -70,15 +152,20 @@ impl Database { .trim_end_matches(".sqlite") .to_owned(); + Self::validate_vault_id(&vault)?; + let pool = Self::create_vault_database(config, &vault).await?; + let cell = Arc::new(OnceCell::new()); + cell.set(pool).expect("cell is new"); connection_pools.insert( vault.clone(), - PoolWithTimestamp { - pool, - last_accessed: Instant::now(), - }, + Arc::new(VaultPool { + cell, + last_accessed: Mutex::new(Instant::now()), + }), ); } + info!("Database migrations applied"); let database = Self { config: config.clone(), @@ -86,8 +173,7 @@ impl Database { broadcasts: broadcasts.clone(), }; - // Start background task to cleanup idle connection pools - database.start_idle_pool_cleanup(); + database.start_idle_pool_cleanup(shutdown); Ok(database) } @@ -100,87 +186,128 @@ impl Database { .databases_directory_path .join(format!("{vault}.sqlite")); - let connection_options = SqliteConnectOptions::new() + // Database-level PRAGMAs (auto_vacuum, journal_mode) require a write + // lock and persist across connections. Set them once with a dedicated + // init connection so pool connections never need the write lock just to + // open. + let init_options = SqliteConnectOptions::new() .filename(file_name.clone()) .create_if_missing(true) - .auto_vacuum(sqlx::sqlite::SqliteAutoVacuum::Full) - .busy_timeout(Duration::from_secs(3600)) + .auto_vacuum(sqlx::sqlite::SqliteAutoVacuum::Incremental) + .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal); + + // Run migrations on a dedicated connection, NOT through the pool. + // The pool's `before_acquire` hook issues ROLLBACK on every checkout, + // which can roll back the migration's bookkeeping transaction (the + // _sqlx_migrations INSERT) while the DDL (ALTER TABLE) has already + // auto-committed — leaving the migration in a dirty state. + // + // Uses `run_direct` instead of `run` because `run` takes + // `impl Acquire<'_>`, whose lifetime bound prevents the enclosing + // future from satisfying the `Send` requirement of axum handlers. + let mut init_conn = sqlx::SqliteConnection::connect_with(&init_options).await?; + sqlx::migrate!("src/app_state/database/migrations") + .run_direct(&mut init_conn) + .await + .context("Cannot run pending migrations")?; + drop(init_conn); + + // Pool connections only set per-connection PRAGMAs that don't require a + // write lock. journal_mode = WAL is a no-op on an already-WAL database. + let pool_options = SqliteConnectOptions::new() + .filename(file_name.clone()) .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal) + .busy_timeout(Duration::from_secs(30)) .log_slow_statements(log::LevelFilter::Warn, Duration::from_secs(30)); let pool = SqlitePoolOptions::new() .max_connections(config.max_connections_per_vault) .acquire_slow_threshold(Duration::from_secs(30)) .test_before_acquire(true) - .connect_with(connection_options) + .before_acquire(|conn, _meta| { + Box::pin(async move { + // Ensure the connection has no leftover open transaction + // (e.g. from a WriteTransaction that was dropped without + // commit/rollback). ROLLBACK is a harmless no-op if no + // transaction is active. + if let Err(e) = sqlx::query("ROLLBACK").execute(&mut *conn).await { + // "cannot rollback - no transaction is active" is the + // common case (connection returned cleanly). Only + // unexpected errors deserve attention. + log::debug!("before_acquire ROLLBACK failed: {e}"); + } + Ok(true) + }) + }) + .connect_with(pool_options) .await .with_context(|| format!("Cannot open database at `{}`", file_name.display()))?; - Self::run_migrations(&pool).await?; - Ok(pool) } - async fn run_migrations(pool: &Pool) -> Result<()> { - sqlx::migrate!("src/app_state/database/migrations") - .run(pool) - .await - .context("Cannot check for pending migrations") + + fn validate_vault_id(vault: &VaultId) -> Result<()> { + if vault.is_empty() { + anyhow::bail!("Vault ID must not be empty"); + } + if vault.contains('/') + || vault.contains('\\') + || vault.contains("..") + || vault.contains('\0') + { + anyhow::bail!( + "Invalid vault ID: must not contain path separators, '..', or null bytes" + ); + } + Ok(()) } async fn get_connection_pool(&self, vault: &VaultId) -> Result> { - let mut pools = self.connection_pools.lock().await; + Self::validate_vault_id(vault)?; - if !pools.contains_key(vault) { - let pool = Self::create_vault_database(&self.config, vault).await?; - pools.insert( - vault.clone(), - PoolWithTimestamp { - pool, - last_accessed: Instant::now(), - }, - ); - } + // Get or create the VaultPool entry. The global lock is held only + // long enough for a HashMap lookup/insert — never across + // create_vault_database. + let vault_pool = { + let mut pools = self.connection_pools.lock().await; + pools + .entry(vault.clone()) + .or_insert_with(|| { + Arc::new(VaultPool { + cell: Arc::new(OnceCell::new()), + last_accessed: Mutex::new(Instant::now()), + }) + }) + .clone() + }; - let pool_with_timestamp = pools - .get_mut(vault) - .expect("Pool was just inserted or already exists"); - - // Update last accessed time - pool_with_timestamp.last_accessed = Instant::now(); - - Ok(pool_with_timestamp.pool.clone()) - } - - /// Attempting to write from this transaction might result in a - /// database locked error. Use this transaction for read-only operations. - pub async fn create_readonly_transaction( - &self, - vault: &VaultId, - ) -> Result> { - self.get_connection_pool(vault) - .await? - .begin() - .await - .context("Cannot create transaction") - } - - pub async fn create_write_transaction(&self, vault: &VaultId) -> Result> { - let mut transaction = self.create_readonly_transaction(vault).await?; - - // sqlx doesn't support immediate transactions for sqlite: https://github.com/launchbadge/sqlx/issues/481 - sqlx::query!("END; BEGIN IMMEDIATE;") - .execute(&mut *transaction) + // OnceCell::get_or_try_init guarantees exactly-once + // initialization: concurrent callers for the same vault wait + // here; callers for other vaults are not blocked. + let config = self.config.clone(); + let vault_clone = vault.clone(); + let pool = vault_pool + .cell + .get_or_try_init(|| async { + Self::create_vault_database(&config, &vault_clone).await + }) .await?; - Ok(transaction) + *vault_pool.last_accessed.lock().await = Instant::now(); + Ok(pool.clone()) + } + + pub async fn create_write_transaction(&self, vault: &VaultId) -> Result { + let pool = self.get_connection_pool(vault).await?; + WriteTransaction::new(&pool).await } /// Return the latest state of all documents in the vault pub async fn get_latest_documents( &self, vault: &VaultId, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result> { let query = sqlx::query!( r#" @@ -198,8 +325,8 @@ impl Database { "#, ); - if let Some(transaction) = transaction { - query.fetch_all(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_all(&mut *conn).await } else { query .fetch_all(&self.get_connection_pool(vault).await?) @@ -216,9 +343,7 @@ impl Database { is_deleted: row.is_deleted, user_id: row.user_id, device_id: row.device_id, - content_size: row - .content_size - .expect("Content size can't be null but sqlx can't infer it"), + content_size: row.content_size.unwrap_or(0), }) .collect() }) @@ -230,7 +355,7 @@ impl Database { &self, vault: &VaultId, vault_update_id: VaultUpdateId, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result> { let query = sqlx::query!( r#" @@ -250,8 +375,8 @@ impl Database { vault_update_id ); - if let Some(transaction) = transaction { - query.fetch_all(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_all(&mut *conn).await } else { query .fetch_all(&self.get_connection_pool(vault).await?) @@ -270,9 +395,7 @@ impl Database { is_deleted: row.is_deleted, user_id: row.user_id, device_id: row.device_id, - content_size: row - .content_size - .expect("Content size can't be null but sqlx can't infer it"), + content_size: row.content_size.unwrap_or(0), }) .collect() }) @@ -281,7 +404,7 @@ impl Database { pub async fn get_max_update_id_in_vault( &self, vault: &VaultId, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result { let query = sqlx::query!( r#" @@ -290,8 +413,8 @@ impl Database { "#, ); - if let Some(transaction) = transaction { - query.fetch_one(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_one(&mut *conn).await } else { query .fetch_one(&self.get_connection_pool(vault).await?) @@ -301,11 +424,11 @@ impl Database { .context("Cannot fetch max update id in vault") } - pub async fn get_latest_document_by_path( + pub async fn get_latest_non_deleted_document_by_path( &self, vault: &VaultId, relative_path: &str, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result> { let query = sqlx::query_as!( StoredDocumentVersion, @@ -319,7 +442,8 @@ impl Database { is_deleted, user_id, device_id, - has_been_merged + has_been_merged, + idempotency_key from latest_document_versions where relative_path = ? and is_deleted = false order by vault_update_id desc -- `latest_document_versions` only contains a single latest version of each document, however, @@ -330,8 +454,8 @@ impl Database { relative_path ); - if let Some(transaction) = transaction { - query.fetch_optional(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_optional(&mut *conn).await } else { query .fetch_optional(&self.get_connection_pool(vault).await?) @@ -344,7 +468,7 @@ impl Database { &self, vault: &VaultId, document_id: &DocumentId, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result> { let document_id = document_id.as_hyphenated(); let query = sqlx::query_as!( @@ -359,15 +483,16 @@ impl Database { is_deleted, user_id, device_id, - has_been_merged + has_been_merged, + idempotency_key from latest_document_versions where document_id = ? "#, document_id ); - if let Some(transaction) = transaction { - query.fetch_optional(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_optional(&mut *conn).await } else { query .fetch_optional(&self.get_connection_pool(vault).await?) @@ -380,7 +505,7 @@ impl Database { &self, vault: &VaultId, vault_update_id: VaultUpdateId, - transaction: Option<&mut Transaction<'_>>, + connection: Option<&mut SqliteConnection>, ) -> Result> { let query = sqlx::query_as!( StoredDocumentVersion, @@ -394,14 +519,15 @@ impl Database { is_deleted, user_id, device_id, - has_been_merged + has_been_merged, + idempotency_key from documents where vault_update_id = ?"#, vault_update_id ); - if let Some(transaction) = transaction { - query.fetch_optional(&mut **transaction).await + if let Some(conn) = connection { + query.fetch_optional(&mut *conn).await } else { query .fetch_optional(&self.get_connection_pool(vault).await?) @@ -415,7 +541,7 @@ impl Database { &self, vault_id: &VaultId, version: &StoredDocumentVersion, - transaction: Option>, + transaction: Option, ) -> Result<()> { let document_id = version.document_id.as_hyphenated(); let query = sqlx::query!( @@ -428,9 +554,11 @@ impl Database { content, is_deleted, user_id, - device_id + device_id, + idempotency_key, + has_been_merged ) - values (?, ?, ?, ?, ?, ?, ?, ?) + values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?) "#, version.vault_update_id, document_id, @@ -439,7 +567,9 @@ impl Database { version.content, version.is_deleted, version.user_id, - version.device_id + version.device_id, + version.idempotency_key, + version.has_been_merged ); if let Some(mut transaction) = transaction { @@ -475,40 +605,234 @@ impl Database { Ok(()) } + pub async fn get_document_by_idempotency_key( + &self, + vault: &VaultId, + idempotency_key: &str, + connection: Option<&mut SqliteConnection>, + ) -> Result> { + // Start from the `documents` table (which has an index on + // `idempotency_key`) to find the document_id, then join to + // `latest_document_versions` for the latest state. + let query = sqlx::query_as!( + StoredDocumentVersion, + r#" + select + ldv.vault_update_id, + ldv.document_id as "document_id: Hyphenated", + ldv.relative_path, + ldv.updated_date as "updated_date: chrono::DateTime", + ldv.content, + ldv.is_deleted, + ldv.user_id, + ldv.device_id, + ldv.has_been_merged, + ldv.idempotency_key + from documents d + inner join latest_document_versions ldv on d.document_id = ldv.document_id + where d.idempotency_key = ? + order by ldv.vault_update_id desc + limit 1 + "#, + idempotency_key + ); + + if let Some(conn) = connection { + query.fetch_optional(&mut *conn).await + } else { + query + .fetch_optional(&self.get_connection_pool(vault).await?) + .await + } + .context("Cannot fetch document by idempotency key") + } + + /// Return all versions (without content) of a specific document, ordered by `vault_update_id` + pub async fn get_document_versions( + &self, + vault: &VaultId, + document_id: &DocumentId, + connection: Option<&mut SqliteConnection>, + ) -> Result> { + let document_id = document_id.as_hyphenated(); + let query = sqlx::query!( + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + where document_id = ? + order by vault_update_id + "#, + document_id, + ); + + if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .with_context(|| format!("Cannot fetch document versions for document `{document_id}`")) + .map(|rows| { + rows.into_iter() + .map(|row| DocumentVersionWithoutContent { + vault_update_id: row.vault_update_id, + document_id: row.document_id.into(), + relative_path: row.relative_path, + updated_date: row.updated_date, + is_deleted: row.is_deleted, + user_id: row.user_id, + device_id: row.device_id, + content_size: row.content_size.unwrap_or(0), + }) + .collect() + }) + } + + /// Return all versions across all documents, paginated, ordered by `vault_update_id` DESC + pub async fn get_vault_history( + &self, + vault: &VaultId, + limit: i64, + before_update_id: Option, + connection: Option<&mut SqliteConnection>, + ) -> Result> { + let map_row = |row: VaultHistoryRow| DocumentVersionWithoutContent { + vault_update_id: row.vault_update_id, + document_id: row.document_id, + relative_path: row.relative_path, + updated_date: row.updated_date, + is_deleted: row.is_deleted, + user_id: row.user_id, + device_id: row.device_id, + content_size: row.content_size.unwrap_or(0), + }; + + if let Some(before) = before_update_id { + let query = sqlx::query_as!( + VaultHistoryRow, + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + where vault_update_id < ? + order by vault_update_id desc + limit ? + "#, + before, + limit, + ); + + let rows = if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .context("Cannot fetch vault history")?; + + Ok(rows.into_iter().map(map_row).collect()) + } else { + let query = sqlx::query_as!( + VaultHistoryRow, + r#" + select + vault_update_id, + document_id as "document_id: Hyphenated", + relative_path, + updated_date as "updated_date: chrono::DateTime", + is_deleted, + user_id, + device_id, + length(content) as "content_size: u64" + from documents + order by vault_update_id desc + limit ? + "#, + limit, + ); + + let rows = if let Some(conn) = connection { + query.fetch_all(&mut *conn).await + } else { + query + .fetch_all(&self.get_connection_pool(vault).await?) + .await + } + .context("Cannot fetch vault history")?; + + Ok(rows.into_iter().map(map_row).collect()) + } + } + /// Cleanup idle connection pools that haven't been accessed in more than 5 minutes async fn cleanup_idle_pools(&self) { - let mut pools = self.connection_pools.lock().await; - let now = Instant::now(); - let idle_timeout = Duration::from_secs(5 * 60); // 5 minutes + // Collect idle vaults and remove them from the map while holding + // the lock briefly. Close pools OUTSIDE the lock so that + // pool.close().await doesn't block other get_connection_pool calls. + let idle_pools: Vec<(VaultId, Arc)> = { + let mut pools = self.connection_pools.lock().await; + let now = Instant::now(); - // Collect vaults to remove - let vaults_to_remove: Vec = pools - .iter() - .filter(|(_, pool_with_timestamp)| { - now.duration_since(pool_with_timestamp.last_accessed) > idle_timeout - }) - .map(|(vault_id, _)| vault_id.clone()) - .collect(); + let vaults_to_remove: Vec = pools + .iter() + .filter(|(_, vp)| { + // If the lock is contested, the pool is actively used — not idle. + let Ok(last) = vp.last_accessed.try_lock() else { + return false; + }; + now.duration_since(*last) > IDLE_POOL_TIMEOUT + }) + .map(|(vault_id, _)| vault_id.clone()) + .collect(); - // Close and remove idle pools - for vault_id in &vaults_to_remove { - if let Some(pool_with_timestamp) = pools.remove(vault_id) { + vaults_to_remove + .into_iter() + .filter_map(|id| pools.remove(&id).map(|vp| (id, vp))) + .collect() + }; + + for (vault_id, vault_pool) in idle_pools { + if let Some(pool) = vault_pool.cell.get() { info!("Closing idle database connection pool for vault `{vault_id}`"); - pool_with_timestamp.pool.close().await; + pool.close().await; } } } /// Start a background task that periodically cleans up idle connection pools - fn start_idle_pool_cleanup(&self) { + fn start_idle_pool_cleanup(&self, mut shutdown: tokio::sync::watch::Receiver<()>) { let database = self.clone(); tokio::spawn(async move { let mut interval = tokio::time::interval(Duration::from_secs(60)); // Check every minute interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip); loop { - interval.tick().await; - database.cleanup_idle_pools().await; + tokio::select! { + _ = interval.tick() => { + database.cleanup_idle_pools().await; + } + _ = shutdown.changed() => { + info!("Idle pool cleanup task shutting down"); + break; + } + } } }); } diff --git a/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql b/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql new file mode 100644 index 00000000..0ff62743 --- /dev/null +++ b/sync-server/src/app_state/database/migrations/20260314000000_add_idempotency_key.sql @@ -0,0 +1 @@ +ALTER TABLE documents ADD COLUMN idempotency_key TEXT; diff --git a/sync-server/src/app_state/database/migrations/20260315000000_add_unique_index_on_idempotency_key.sql b/sync-server/src/app_state/database/migrations/20260315000000_add_unique_index_on_idempotency_key.sql new file mode 100644 index 00000000..2e2f3ed5 --- /dev/null +++ b/sync-server/src/app_state/database/migrations/20260315000000_add_unique_index_on_idempotency_key.sql @@ -0,0 +1,2 @@ +CREATE UNIQUE INDEX IF NOT EXISTS idx_documents_idempotency_key +ON documents (idempotency_key) WHERE idempotency_key IS NOT NULL AND is_deleted = 0; diff --git a/sync-server/src/app_state/database/migrations/20260319000000_add_index_on_document_id.sql b/sync-server/src/app_state/database/migrations/20260319000000_add_index_on_document_id.sql new file mode 100644 index 00000000..f3ee8dd3 --- /dev/null +++ b/sync-server/src/app_state/database/migrations/20260319000000_add_index_on_document_id.sql @@ -0,0 +1,2 @@ +CREATE INDEX IF NOT EXISTS idx_documents_document_id +ON documents (document_id, vault_update_id); diff --git a/sync-server/src/app_state/database/models.rs b/sync-server/src/app_state/database/models.rs index a216125a..c28d64ea 100644 --- a/sync-server/src/app_state/database/models.rs +++ b/sync-server/src/app_state/database/models.rs @@ -22,8 +22,11 @@ pub struct StoredDocumentVersion { pub device_id: DeviceId, #[allow(dead_code)] // This is for manual analysis pub has_been_merged: bool, + pub idempotency_key: Option, } +/// Equality is based solely on `vault_update_id` (the primary key). +/// Two rows with the same PK are the same database record. impl PartialEq for StoredDocumentVersion { fn eq(&self, other: &Self) -> bool { self.vault_update_id == other.vault_update_id @@ -33,7 +36,7 @@ impl PartialEq for StoredDocumentVersion { #[derive(TS, Debug, Clone, Serialize)] #[serde(rename_all = "camelCase")] pub struct DocumentVersionWithoutContent { - #[ts(as = "i32")] + #[ts(type = "number")] pub vault_update_id: VaultUpdateId, pub document_id: DocumentId, @@ -43,7 +46,7 @@ pub struct DocumentVersionWithoutContent { pub user_id: UserId, pub device_id: DeviceId, - #[ts(as = "i32")] + #[ts(type = "number")] pub content_size: u64, } @@ -65,7 +68,7 @@ impl From for DocumentVersionWithoutContent { #[derive(TS, Debug, Clone, Serialize)] #[serde(rename_all = "camelCase")] pub struct DocumentVersion { - #[ts(as = "i32")] + #[ts(type = "number")] pub vault_update_id: VaultUpdateId, pub document_id: DocumentId, diff --git a/sync-server/src/app_state/websocket/broadcasts.rs b/sync-server/src/app_state/websocket/broadcasts.rs index 60ae0219..14482751 100644 --- a/sync-server/src/app_state/websocket/broadcasts.rs +++ b/sync-server/src/app_state/websocket/broadcasts.rs @@ -1,24 +1,21 @@ use std::{collections::HashMap, sync::Arc}; -use anyhow::Context; use log::{debug, warn}; use tokio::sync::{Mutex, broadcast}; use super::models::WebSocketServerMessageWithOrigin; -use crate::{ - app_state::database::models::VaultId, config::server_config::ServerConfig, errors::server_error, -}; +use crate::{app_state::database::models::VaultId, config::server_config::ServerConfig}; #[derive(Debug, Clone)] pub struct Broadcasts { - max_clients_per_vault: usize, + broadcast_channel_capacity: usize, tx: Arc>>>, } impl Broadcasts { pub fn new(server_config: &ServerConfig) -> Self { Self { - max_clients_per_vault: server_config.max_clients_per_vault, + broadcast_channel_capacity: server_config.broadcast_channel_capacity, tx: Arc::new(Mutex::new(HashMap::new())), } } @@ -26,10 +23,25 @@ impl Broadcasts { pub async fn get_receiver( &self, vault: VaultId, - ) -> broadcast::Receiver { - let tx = self.get_or_create(vault).await; + max_clients: usize, + ) -> Result, crate::errors::SyncServerError> + { + let mut tx_map = self.tx.lock().await; - tx.subscribe() + // Prune senders for vaults with no active receivers + tx_map.retain(|_, sender| sender.receiver_count() > 0); + + let sender = tx_map + .entry(vault) + .or_insert_with(|| broadcast::channel(self.broadcast_channel_capacity).0); + + if sender.receiver_count() >= max_clients { + return Err(crate::errors::client_error(anyhow::anyhow!( + "Vault has reached the maximum number of clients ({max_clients})" + ))); + } + + Ok(sender.subscribe()) } /// Notify all clients (who are subscribed to the vault) about an update. @@ -39,31 +51,22 @@ impl Broadcasts { vault: VaultId, document: WebSocketServerMessageWithOrigin, ) { - let tx = self.get_or_create(vault.clone()).await; + let mut tx_map = self.tx.lock().await; - if tx.receiver_count() == 0 { + // Prune senders for vaults with no active receivers + tx_map.retain(|_, sender| sender.receiver_count() > 0); + + let sender = tx_map + .entry(vault.clone()) + .or_insert_with(|| broadcast::channel(self.broadcast_channel_capacity).0); + + if sender.receiver_count() == 0 { debug!("Skipping broadcast, no clients connected for vault `{vault}`"); return; } - let result = tx - .send(document) - .context("Cannot broadcast server message to websocket listeners") - .map_err(server_error); - - if result.is_err() { - warn!("Failed to send message: {result:?}"); + if let Err(e) = sender.send(document) { + warn!("Failed to broadcast to vault `{vault}`: {e}"); } } - - async fn get_or_create( - &self, - vault: VaultId, - ) -> broadcast::Sender { - let mut tx = self.tx.lock().await; - - tx.entry(vault) - .or_insert_with(|| broadcast::channel(self.max_clients_per_vault).0.clone()) - .clone() - } } diff --git a/sync-server/src/app_state/websocket/models.rs b/sync-server/src/app_state/websocket/models.rs index e037fb7e..fb1d24b9 100644 --- a/sync-server/src/app_state/websocket/models.rs +++ b/sync-server/src/app_state/websocket/models.rs @@ -11,7 +11,7 @@ pub struct WebSocketHandshake { pub token: String, pub device_id: DeviceId, - #[ts(as = "Option")] + #[ts(type = "number | null")] pub last_seen_vault_update_id: Option, } @@ -28,7 +28,7 @@ pub struct DocumentWithCursors { // that it exists and can be client-side // interpolated. However, the actual // position is meaningless. - #[ts(as = "Option")] + #[ts(type = "number | null")] pub vault_update_id: Option, pub document_id: DocumentId, @@ -70,6 +70,7 @@ pub struct WebSocketVaultUpdate { pub enum WebSocketClientMessage { Handshake(WebSocketHandshake), CursorPositions(CursorPositionFromClient), + Ping {}, } #[derive(TS, Serialize, Clone, Debug)] diff --git a/sync-server/src/app_state/websocket/utils.rs b/sync-server/src/app_state/websocket/utils.rs index 1e0dd243..ce8205fa 100644 --- a/sync-server/src/app_state/websocket/utils.rs +++ b/sync-server/src/app_state/websocket/utils.rs @@ -9,7 +9,7 @@ use crate::{ database::models::{DocumentVersionWithoutContent, VaultId, VaultUpdateId}, }, config::user_config::User, - errors::{SyncServerError, server_error, unauthenticated_error}, + errors::{SyncServerError, client_error, server_error, unauthenticated_error}, server::auth::auth, }; @@ -26,16 +26,16 @@ pub fn get_authenticated_handshake( if let Some(Message::Text(message)) = message { let message: WebSocketClientMessage = serde_json::from_str(&message) .context("Failed to parse message") - .map_err(server_error)?; + .map_err(client_error)?; match message { WebSocketClientMessage::Handshake(handshake) => { let user = auth(state, handshake.token.trim(), vault_id)?; Ok(AuthenticatedWebSocketHandshake { handshake, user }) } - WebSocketClientMessage::CursorPositions(_) => Err(unauthenticated_error( - anyhow::anyhow!("Expected a handshake message"), - )), + WebSocketClientMessage::CursorPositions(_) | WebSocketClientMessage::Ping {} => Err( + unauthenticated_error(anyhow::anyhow!("Expected a handshake message")), + ), } } else { Err(unauthenticated_error(anyhow::anyhow!( diff --git a/sync-server/src/config.rs b/sync-server/src/config.rs index 6a003d2e..75d4dba7 100644 --- a/sync-server/src/config.rs +++ b/sync-server/src/config.rs @@ -28,23 +28,20 @@ pub struct Config { impl Config { pub async fn read_or_create(path: &Path) -> Result { - let config = if path.exists() { - info!( - "Loading configuration from `{}`", - path.canonicalize().unwrap().display() - ); - Self::load_from_file(path).await? + let display_path = path.canonicalize().unwrap_or_else(|_| path.to_path_buf()); + + if path.exists() { + info!("Loading configuration from `{}`", display_path.display()); + Self::load_from_file(path).await } else { - Self::default() - }; - - config.write(path).await?; - info!( - "Updated configuration at `{}`", - path.canonicalize().unwrap().display() - ); - - Ok(config) + let config = Self::default(); + config.write(path).await?; + info!( + "Created default configuration at `{}`", + display_path.display() + ); + Ok(config) + } } pub async fn load_from_file(path: &Path) -> Result { diff --git a/sync-server/src/config/server_config.rs b/sync-server/src/config/server_config.rs index 4a9da0f4..ecf1ca87 100644 --- a/sync-server/src/config/server_config.rs +++ b/sync-server/src/config/server_config.rs @@ -1,10 +1,13 @@ +use anyhow::{Result, ensure}; use log::debug; use serde::{Deserialize, Serialize}; use std::time::Duration; use crate::consts::{ - DEFAULT_HOST, DEFAULT_MAX_BODY_SIZE_MB, DEFAULT_MAX_CLIENTS_PER_VAULT, - DEFAULT_MERGEABLE_FILE_EXTENSIONS, DEFAULT_PORT, DEFAULT_RESPONSE_TIMEOUT_SECONDS, + DEFAULT_ALLOWED_ORIGINS, DEFAULT_BROADCAST_CHANNEL_CAPACITY, DEFAULT_HOST, + DEFAULT_MAX_BODY_SIZE_MB, DEFAULT_MAX_CLIENTS_PER_VAULT, DEFAULT_MAX_PENDING_WS_CONNECTIONS, + DEFAULT_MERGEABLE_FILE_EXTENSIONS, DEFAULT_PORT, DEFAULT_RATE_LIMIT_PER_SECOND, + DEFAULT_RESPONSE_TIMEOUT_SECONDS, }; #[derive(Debug, Deserialize, Serialize, Clone, Default)] @@ -21,11 +24,68 @@ pub struct ServerConfig { #[serde(default = "default_max_clients_per_vault")] pub max_clients_per_vault: usize, + #[serde(default = "default_broadcast_channel_capacity")] + pub broadcast_channel_capacity: usize, + #[serde(default = "default_response_timeout", with = "humantime_serde")] pub response_timeout: Duration, #[serde(default = "default_mergeable_file_extensions")] pub mergeable_file_extensions: Vec, + + /// Maximum requests per second (0 = disabled). + #[serde(default = "default_rate_limit_per_second")] + pub rate_limit_per_second: u64, + + /// Allowed CORS origins. Default: `["*"]` (allow all). + #[serde(default = "default_allowed_origins")] + pub allowed_origins: Vec, + + /// Maximum concurrent unauthenticated WebSocket connections waiting for + /// handshake. Limits resource consumption from clients that connect but + /// never authenticate. + #[serde(default = "default_max_pending_websocket_connections")] + pub max_pending_websocket_connections: usize, + + /// When set, proxies all UI requests (index, assets, Vite HMR) to this + /// URL instead of serving embedded assets. Typically + /// `http://localhost:5173` for the Vite dev server. + #[serde(default)] + pub dev_proxy_url: Option, +} + +impl ServerConfig { + pub fn validate(&self) -> Result<()> { + ensure!( + !self.response_timeout.is_zero(), + "response_timeout must be greater than 0" + ); + ensure!( + self.max_body_size_mb > 0, + "max_body_size_mb must be greater than 0" + ); + ensure!( + self.max_clients_per_vault > 0, + "max_clients_per_vault must be greater than 0" + ); + ensure!( + self.broadcast_channel_capacity > 0, + "broadcast_channel_capacity must be greater than 0" + ); + ensure!( + self.max_pending_websocket_connections > 0, + "max_pending_websocket_connections must be greater than 0" + ); + ensure!( + self.max_clients_per_vault <= 10_000, + "max_clients_per_vault must be at most 10000" + ); + ensure!( + self.broadcast_channel_capacity <= 1_000_000, + "broadcast_channel_capacity must be at most 1000000" + ); + Ok(()) + } } fn default_host() -> String { @@ -48,6 +108,11 @@ fn default_max_clients_per_vault() -> usize { DEFAULT_MAX_CLIENTS_PER_VAULT } +fn default_broadcast_channel_capacity() -> usize { + debug!("Using default broadcast channel capacity: {DEFAULT_BROADCAST_CHANNEL_CAPACITY}"); + DEFAULT_BROADCAST_CHANNEL_CAPACITY +} + fn default_response_timeout() -> Duration { debug!("Using default response timeout: {DEFAULT_RESPONSE_TIMEOUT_SECONDS:?}"); DEFAULT_RESPONSE_TIMEOUT_SECONDS @@ -60,3 +125,23 @@ fn default_mergeable_file_extensions() -> Vec { .map(|s| (*s).to_owned()) .collect() } + +fn default_rate_limit_per_second() -> u64 { + debug!("Using default rate limit per second: {DEFAULT_RATE_LIMIT_PER_SECOND}"); + DEFAULT_RATE_LIMIT_PER_SECOND +} + +fn default_allowed_origins() -> Vec { + debug!("Using default allowed origins: {DEFAULT_ALLOWED_ORIGINS:?}"); + DEFAULT_ALLOWED_ORIGINS + .iter() + .map(|s| (*s).to_owned()) + .collect() +} + +fn default_max_pending_websocket_connections() -> usize { + debug!( + "Using default max pending WebSocket connections: {DEFAULT_MAX_PENDING_WS_CONNECTIONS}" + ); + DEFAULT_MAX_PENDING_WS_CONNECTIONS +} diff --git a/sync-server/src/config/user_config.rs b/sync-server/src/config/user_config.rs index 8b2537f0..3e160dd0 100644 --- a/sync-server/src/config/user_config.rs +++ b/sync-server/src/config/user_config.rs @@ -19,10 +19,19 @@ where let mut user_token_map = BiHashMap::new(); for user in &users { if let Some(existing_name) = user_token_map.get_by_right(&user.token) { + let redacted = if user.token.len() > 6 { + format!( + "{}...{}", + &user.token[..3], + &user.token[user.token.len() - 3..] + ) + } else { + "***".to_owned() + }; return Err(D::Error::custom(format!( - "Duplicate user token found: `{}` for users `{}` and `{}`. User tokens must be \ - unique.", - user.token, existing_name, user.name + "Duplicate user token found: `{redacted}` for users `{}` and `{}`. User tokens \ + must be unique.", + existing_name, user.name ))); } @@ -41,10 +50,23 @@ where impl UserConfig { pub fn get_user(&self, token: &str) -> Option<&User> { - self.user_configs.iter().find(|u| u.token == token) + self.user_configs + .iter() + .find(|u| constant_time_eq(u.token.as_bytes(), token.as_bytes())) } } +/// Constant-time byte comparison to prevent timing attacks on token lookups. +fn constant_time_eq(a: &[u8], b: &[u8]) -> bool { + if a.len() != b.len() { + return false; + } + a.iter() + .zip(b.iter()) + .fold(0u8, |acc, (x, y)| acc | (x ^ y)) + == 0 +} + #[derive(Debug, Deserialize, Serialize, Clone)] pub struct User { pub name: String, diff --git a/sync-server/src/consts.rs b/sync-server/src/consts.rs index 98ed1c1f..66fcc727 100644 --- a/sync-server/src/consts.rs +++ b/sync-server/src/consts.rs @@ -11,13 +11,23 @@ pub const DEFAULT_CURSOR_TIMEOUT: Duration = Duration::from_secs(60); pub const DEFAULT_HOST: &str = "127.0.0.1"; pub const DEFAULT_PORT: u16 = 3000; pub const DEFAULT_MAX_BODY_SIZE_MB: usize = 4096; -pub const DEFAULT_RESPONSE_TIMEOUT_SECONDS: Duration = Duration::from_secs(1800); +pub const DEFAULT_RESPONSE_TIMEOUT_SECONDS: Duration = Duration::from_mins(30); pub const DEFAULT_MAX_CLIENTS_PER_VAULT: usize = 256; +pub const DEFAULT_BROADCAST_CHANNEL_CAPACITY: usize = 4096; +pub const DEFAULT_MAX_PENDING_WS_CONNECTIONS: usize = 128; pub const DEFAULT_LOG_DIRECTORY: &str = "logs"; -pub const DEFAULT_LOG_ROTATION_INTERVAL: Duration = Duration::from_secs(60 * 60 * 24); // 1 day +pub const DEFAULT_LOG_ROTATION_INTERVAL: Duration = Duration::from_hours(24); +pub const IDLE_POOL_TIMEOUT: Duration = Duration::from_mins(5); +pub const GRACEFUL_SHUTDOWN_TIMEOUT: Duration = Duration::from_secs(10); pub const DEFAULT_LOG_LEVEL: LogLevel = LogLevel::Info; pub const DEFAULT_MERGEABLE_FILE_EXTENSIONS: &[&str] = &["md", "txt"]; -pub const SUPPORTED_API_VERSION: u32 = 2; +/// 0 means rate limiting is disabled. +pub const DEFAULT_RATE_LIMIT_PER_SECOND: u64 = 0; + +/// Default: allow all origins. +pub const DEFAULT_ALLOWED_ORIGINS: &[&str] = &["*"]; + +pub const SUPPORTED_API_VERSION: u32 = 3; diff --git a/sync-server/src/errors.rs b/sync-server/src/errors.rs index 831b0e86..4a029e1d 100644 --- a/sync-server/src/errors.rs +++ b/sync-server/src/errors.rs @@ -5,7 +5,7 @@ use axum::{ http::StatusCode, response::{IntoResponse, Response}, }; -use log::{debug, error}; +use log::{debug, error, warn}; use serde::Serialize; use thiserror::Error; use ts_rs::TS; @@ -69,7 +69,19 @@ impl Display for SerializedError { impl IntoResponse for SyncServerError { fn into_response(self) -> Response { - let body = Json(self.serialize()); + let serialized = self.serialize(); + + match &self { + Self::InitError(_) | Self::ServerError(_) => { + error!("{serialized}"); + } + Self::ClientError(_) | Self::NotFound(_) => { + warn!("{serialized}"); + } + Self::Unauthenticated(_) | Self::PermissionDeniedError(_) => {} + } + + let body = Json(serialized); match self { Self::InitError(_) | Self::ServerError(_) => { diff --git a/sync-server/src/main.rs b/sync-server/src/main.rs index 1285ed7b..0a3a46e0 100644 --- a/sync-server/src/main.rs +++ b/sync-server/src/main.rs @@ -41,7 +41,15 @@ async fn main() -> ExitCode { } }; - let mut result = set_up_logging(&args, &config.logging); + let mut result = config + .server + .validate() + .context("Invalid server configuration") + .map_err(init_error); + + if result.is_ok() { + result = set_up_logging(&args, &config.logging); + } if result.is_ok() { result = start_server(config).await; diff --git a/sync-server/src/server.rs b/sync-server/src/server.rs index 01b09cf6..cb4e1ded 100644 --- a/sync-server/src/server.rs +++ b/sync-server/src/server.rs @@ -4,27 +4,31 @@ mod delete_document; mod device_id_header; mod fetch_document_version; mod fetch_document_version_content; +mod fetch_document_versions; mod fetch_latest_document_version; mod fetch_latest_documents; +mod fetch_vault_history; mod index; mod ping; +mod rate_limit; mod requests; +mod resolve_keys; mod responses; +mod restore_document_version; mod update_document; mod websocket; -use anyhow::{Context as _, Result, anyhow}; +use anyhow::{Context as _, Result}; use auth::auth_middleware; use axum::{ Router, extract::{DefaultBodyLimit, Request}, http::{self, HeaderValue, Method}, middleware, - response::IntoResponse, routing::{IntoMakeService, delete, get, post, put}, }; use device_id_header::DEVICE_ID_HEADER_NAME; -use log::info; +use log::{info, warn}; use tokio::signal; use tower_http::{ LatencyUnit, @@ -41,7 +45,7 @@ use tracing::{Level, info_span}; use crate::{ app_state::AppState, config::{Config, server_config::ServerConfig}, - errors::{client_error, not_found_error}, + consts::GRACEFUL_SHUTDOWN_TIMEOUT, }; pub async fn create_server(config: Config) -> Result<()> { @@ -51,26 +55,42 @@ pub async fn create_server(config: Config) -> Result<()> { let server_config = app_state.config.server.clone(); - let app = Router::new() + let mut app = Router::new() .nest("/", get_authed_routes(app_state.clone())) .route("/", get(index::index)) + .route("/assets/*path", get(index::spa_assets)) .route("/vaults/:vault_id/ping", get(ping::ping)) - .route("/vaults/:vault_id/ws", get(websocket::websocket_handler)) + .route("/vaults/:vault_id/ws", get(websocket::websocket_handler)); + + if app_state.config.server.dev_proxy_url.is_some() { + info!( + "Dev proxy enabled → {}", + app_state.config.server.dev_proxy_url.as_deref().unwrap() + ); + app = app.fallback(index::vite_proxy); + } + + let cors_layer = build_cors_layer(&server_config).context("Invalid CORS configuration")?; + + if server_config.rate_limit_per_second > 0 { + info!( + "Rate limiting enabled: {} requests/second", + server_config.rate_limit_per_second + ); + let limiter = rate_limit::RateLimiter::new(server_config.rate_limit_per_second); + app = app.layer(middleware::from_fn_with_state( + limiter, + rate_limit::rate_limit_middleware, + )); + } + + let app = app .layer(DefaultBodyLimit::disable()) .layer(RequestBodyLimitLayer::new( app_state.config.server.max_body_size_mb * 1024 * 1024, )) .layer(TimeoutLayer::new(server_config.response_timeout)) - .layer( - CorsLayer::new() - .allow_origin("*".parse::().expect("Failed to parse origin")) - .allow_headers([ - http::header::CONTENT_TYPE, - http::header::AUTHORIZATION, - DEVICE_ID_HEADER_NAME.clone(), - ]) - .allow_methods([Method::GET, Method::POST, Method::PUT, Method::DELETE]), - ) + .layer(cors_layer) .layer( TraceLayer::new_for_http() .make_span_with(|request: &Request<_>| { @@ -91,13 +111,40 @@ pub async fn create_server(config: Config) -> Result<()> { .on_failure(DefaultOnFailure::new().level(Level::ERROR)), ) .with_state(app_state) - .fallback(handle_404) - .fallback(handle_405) .into_make_service(); start_server(app, &server_config).await } +fn build_cors_layer(server_config: &ServerConfig) -> Result { + let origins = &server_config.allowed_origins; + + let cors = if origins.len() == 1 && origins[0] == "*" { + info!("CORS: allowing all origins (wildcard)"); + let header: HeaderValue = "*" + .parse() + .context("Failed to parse wildcard CORS origin")?; + CorsLayer::new().allow_origin(header) + } else { + let parsed: Vec = origins + .iter() + .map(|o| { + o.parse::() + .with_context(|| format!("Failed to parse CORS origin: `{o}`")) + }) + .collect::>>()?; + CorsLayer::new().allow_origin(parsed) + }; + + Ok(cors + .allow_headers([ + http::header::CONTENT_TYPE, + http::header::AUTHORIZATION, + DEVICE_ID_HEADER_NAME.clone(), + ]) + .allow_methods([Method::GET, Method::POST, Method::PUT, Method::DELETE])) +} + fn get_authed_routes(app_state: AppState) -> Router { Router::new() .route( @@ -108,6 +155,10 @@ fn get_authed_routes(app_state: AppState) -> Router { "/vaults/:vault_id/documents", post(create_document::create_document), ) + .route( + "/vaults/:vault_id/documents/resolve-keys", + post(resolve_keys::resolve_keys), + ) .route( "/vaults/:vault_id/documents/:document_id", get(fetch_latest_document_version::fetch_latest_document_version), @@ -120,6 +171,10 @@ fn get_authed_routes(app_state: AppState) -> Router { "/vaults/:vault_id/documents/:document_id/text", put(update_document::update_text), ) + .route( + "/vaults/:vault_id/documents/:document_id/versions", + get(fetch_document_versions::fetch_document_versions), + ) .route( "/vaults/:vault_id/documents/:document_id/versions/:vault_update_id", get(fetch_document_version::fetch_document_version), @@ -132,6 +187,14 @@ fn get_authed_routes(app_state: AppState) -> Router { "/vaults/:vault_id/documents/:document_id", delete(delete_document::delete_document), ) + .route( + "/vaults/:vault_id/documents/:document_id/restore", + post(restore_document_version::restore_document_version), + ) + .route( + "/vaults/:vault_id/history", + get(fetch_vault_history::fetch_vault_history), + ) .layer(middleware::from_fn_with_state(app_state, auth_middleware)) } @@ -148,26 +211,46 @@ async fn start_server(app: IntoMakeService, config: &ServerConfig) .context("Failed to get local address")? ); - axum::serve(listener, app) - .with_graceful_shutdown(shutdown_signal()) - .tcp_nodelay(true) - .await - .context("Failed to start server") + let (shutdown_tx, mut shutdown_rx) = tokio::sync::watch::channel(false); + + let server = axum::serve(listener, app) + .with_graceful_shutdown(async move { + shutdown_signal().await; + let _ = shutdown_tx.send(true); + }) + .tcp_nodelay(true); + + tokio::select! { + result = server => result.context("Failed to start server"), + () = async { + let _ = shutdown_rx.changed().await; + info!( + "Shutdown signal received, waiting up to {}s for in-flight requests to complete...", + GRACEFUL_SHUTDOWN_TIMEOUT.as_secs() + ); + tokio::time::sleep(GRACEFUL_SHUTDOWN_TIMEOUT).await; + warn!("Graceful shutdown timed out, forcing exit"); + } => Ok(()), + } } async fn shutdown_signal() { let ctrl_c = async { - signal::ctrl_c() - .await - .expect("failed to install Ctrl+C handler"); + if let Err(e) = signal::ctrl_c().await { + log::error!("Failed to install Ctrl+C handler: {e}"); + } }; #[cfg(unix)] let terminate = async { - signal::unix::signal(signal::unix::SignalKind::terminate()) - .expect("failed to install signal handler") - .recv() - .await; + match signal::unix::signal(signal::unix::SignalKind::terminate()) { + Ok(mut signal) => { + signal.recv().await; + } + Err(e) => { + log::error!("Failed to install SIGTERM handler: {e}"); + } + } }; #[cfg(not(unix))] @@ -178,11 +261,3 @@ async fn shutdown_signal() { () = terminate => {}, } } - -async fn handle_404() -> impl IntoResponse { - not_found_error(anyhow!("Page not found")) -} - -async fn handle_405() -> impl IntoResponse { - client_error(anyhow!("Method not allowed")) -} diff --git a/sync-server/src/server/auth.rs b/sync-server/src/server/auth.rs index e56f4acc..3b5474d4 100644 --- a/sync-server/src/server/auth.rs +++ b/sync-server/src/server/auth.rs @@ -9,7 +9,7 @@ use axum_extra::{ TypedHeader, headers::{Authorization, authorization::Bearer}, }; -use log::info; +use log::{debug, info}; use crate::{ app_state::{AppState, database::models::VaultId}, @@ -21,10 +21,12 @@ use crate::{ pub async fn auth_middleware( State(state): State, Path(path_params): Path>, - TypedHeader(auth_header): TypedHeader>, + auth_header: Option>>, mut req: Request, next: Next, ) -> Result { + let auth_header = auth_header + .ok_or_else(|| unauthenticated_error(anyhow::anyhow!("Missing Authorization header")))?; let token = auth_header.token().trim(); let vault_id = normalize_string( path_params @@ -51,8 +53,8 @@ pub fn auth(state: &AppState, token: &str, vault_id: &VaultId) -> Result true, VaultAccess::AllowList(AllowListedVaults { ref allowed }) => allowed.contains(vault_id), } { - info!( - "User `{}` is authenticated and is authorised to access to vault `{vault_id}`", + debug!( + "User `{}` is authenticated and is authorised to access vault `{vault_id}`", user.name ); diff --git a/sync-server/src/server/create_document.rs b/sync-server/src/server/create_document.rs index 859c0db4..1961ac82 100644 --- a/sync-server/src/server/create_document.rs +++ b/sync-server/src/server/create_document.rs @@ -11,12 +11,17 @@ use super::{device_id_header::DeviceIdHeader, requests::CreateDocumentVersion}; use crate::{ app_state::{ AppState, - database::models::{DocumentVersionWithoutContent, StoredDocumentVersion, VaultId}, + database::models::{StoredDocumentVersion, VaultId}, }, config::user_config::User, - errors::{SyncServerError, client_error, server_error}, + errors::{SyncServerError, server_error}, + server::{ + responses::DocumentUpdateResponse, + update_document::{MergeInput, merge_with_stored_version}, + }, utils::{ - find_first_available_path::find_first_available_path, normalize::normalize, + dedup_paths::get_base_path, find_first_available_path::find_first_available_path, + is_binary::is_binary, is_file_type_mergable::is_file_type_mergable, normalize::normalize, sanitize_path::sanitize_path, }, }; @@ -30,14 +35,18 @@ pub struct CreateDocumentPathParams { /// Create a new document in case a document with the same doesn't exist /// already. If a document with the same path exists, a new version is created /// with their content merged. +/// +/// Text content must be UTF-8 encoded. Clients are responsible for +/// transcoding other encodings (e.g. UTF-16) to UTF-8 before sending. #[axum::debug_handler] +#[allow(clippy::too_many_lines)] pub async fn create_document( Path(CreateDocumentPathParams { vault_id }): Path, Extension(user): Extension, TypedHeader(device_id): TypedHeader, State(state): State, TypedMultipart(request): TypedMultipart, -) -> Result, SyncServerError> { +) -> Result, SyncServerError> { debug!("Creating document in vault `{vault_id}`"); let mut transaction = state @@ -46,32 +55,139 @@ pub async fn create_document( .await .map_err(server_error)?; - let document_id = match request.document_id { - Some(document_id) => { - let existing_version = state - .database - .get_latest_document(&vault_id, &document_id, Some(&mut transaction)) - .await - .map_err(server_error)?; - - if existing_version.is_some() { - return Err(client_error(anyhow::anyhow!( - "Document with the same ID `{document_id}` already exists" + if let Some(ref idempotency_key) = request.idempotency_key { + let existing = state + .database + .get_document_by_idempotency_key(&vault_id, idempotency_key, Some(&mut *transaction)) + .await + .map_err(server_error)?; + if let Some(existing) = existing { + if existing.is_deleted { + // The document was created (storing the key) and later deleted. + // Don't return the deleted version — it would cause the client + // to delete its local file. Instead, fall through to normal + // create so the client's content is preserved as a new document. + // The unique index excludes deleted rows (WHERE is_deleted = 0), + // so keeping the key does NOT cause a constraint violation — + // the new non-deleted version can safely reuse the same key. + info!( + "Idempotency key `{idempotency_key}` matches a deleted document, ignoring and creating fresh" + ); + } else { + // Return the LATEST version of the document, not the version + // that originally stored the key. The document may have been + // modified by other clients since the key was stored, and + // returning a stale version would cause the client to cache + // incorrect content, breaking subsequent diffs. + let latest = state + .database + .get_latest_document(&vault_id, &existing.document_id, Some(&mut *transaction)) + .await + .map_err(server_error)? + .unwrap_or(existing); + info!( + "Found existing document with idempotency key `{idempotency_key}`, returning latest version" + ); + transaction.rollback().await.map_err(server_error)?; + return Ok(Json(DocumentUpdateResponse::FastForwardUpdate( + latest.into(), ))); } - - document_id } - None => uuid::Uuid::new_v4(), - }; + } - let last_update_id = state + let sanitized_relative_path = sanitize_path(&request.relative_path); + + if sanitized_relative_path.is_empty() { + transaction.rollback().await.map_err(server_error)?; + return Err(crate::errors::client_error(anyhow::anyhow!( + "Relative path is empty after sanitization" + ))); + } + + let new_content = request.content.contents.to_vec(); + + let latest_version = state .database - .get_max_update_id_in_vault(&vault_id, Some(&mut transaction)) + .get_latest_non_deleted_document_by_path( + &vault_id, + &sanitized_relative_path, + Some(&mut *transaction), + ) + .await + .map_err(server_error)?; + + if let Some(latest_version) = latest_version { + let is_mergeable_text = is_file_type_mergable( + &sanitized_relative_path, + &state.config.server.mergeable_file_extensions, + ) && !is_binary(&latest_version.content) + && !is_binary(&new_content); + + if is_mergeable_text || new_content == latest_version.content { + return merge_with_stored_version( + MergeInput { + parent_content: &[], + new_content, + idempotency_key: request.idempotency_key, + }, + latest_version, + vault_id, + user, + device_id, + state, + transaction, + ) + .await; + } + + // For non-mergeable (binary) files with different content, don't + // merge — create a separate document at a deconflicted path so + // neither client's data is silently overwritten. + } + + // For creates at deconflicted paths (e.g., "file (2).bin"), the client's + // ensureClearPath renamed a local file before uploading. Check if the + // base path (e.g., "file.bin") has a document with identical content. + // If so, merge with it instead of creating a duplicate document. + let base_path = get_base_path(&sanitized_relative_path); + if base_path != sanitized_relative_path { + let base_doc = state + .database + .get_latest_non_deleted_document_by_path(&vault_id, &base_path, Some(&mut *transaction)) + .await + .map_err(server_error)?; + if let Some(base_doc) = base_doc + && new_content == base_doc.content + { + info!( + "Create at deconflicted path `{sanitized_relative_path}` has identical content to document at base path `{base_path}`, merging" + ); + return merge_with_stored_version( + MergeInput { + parent_content: &[], + new_content, + idempotency_key: request.idempotency_key, + }, + base_doc, + vault_id, + user, + device_id, + state, + transaction, + ) + .await; + } + } + + let document_id = uuid::Uuid::new_v4(); + + let last_update_id = state + .database + .get_max_update_id_in_vault(&vault_id, Some(&mut *transaction)) .await .map_err(server_error)?; - let sanitized_relative_path = sanitize_path(&request.relative_path); let deduped_path = find_first_available_path( &vault_id, &sanitized_relative_path, @@ -91,12 +207,13 @@ pub async fn create_document( vault_update_id: last_update_id + 1, document_id, relative_path: deduped_path, - content: request.content.contents.to_vec(), + content: new_content, updated_date: chrono::Utc::now(), is_deleted: false, user_id: user.name, device_id: device_id.0, has_been_merged: false, + idempotency_key: request.idempotency_key, }; state @@ -105,5 +222,7 @@ pub async fn create_document( .await .map_err(server_error)?; - Ok(Json(new_version.into())) + Ok(Json(DocumentUpdateResponse::FastForwardUpdate( + new_version.into(), + ))) } diff --git a/sync-server/src/server/delete_document.rs b/sync-server/src/server/delete_document.rs index e126d6b5..47beb03b 100644 --- a/sync-server/src/server/delete_document.rs +++ b/sync-server/src/server/delete_document.rs @@ -1,4 +1,4 @@ -use anyhow::Context; +use anyhow::{Context, anyhow}; use axum::{ Extension, Json, extract::{Path, State}, @@ -16,8 +16,8 @@ use crate::{ }, }, config::user_config::User, - errors::{SyncServerError, server_error}, - utils::{normalize::normalize, sanitize_path::sanitize_path}, + errors::{SyncServerError, not_found_error, server_error}, + utils::normalize::normalize, }; #[derive(Deserialize)] @@ -37,7 +37,7 @@ pub async fn delete_document( Extension(user): Extension, TypedHeader(device_id): TypedHeader, State(state): State, - Json(request): Json, + Json(_request): Json, ) -> Result, SyncServerError> { debug!("Deleting document `{document_id}` in vault `{vault_id}`"); @@ -59,6 +59,18 @@ pub async fn delete_document( .await .map_err(server_error)?; + if latest_version.is_none() { + transaction + .rollback() + .await + .context("Failed to roll back transaction") + .map_err(server_error)?; + + return Err(not_found_error(anyhow!( + "Document `{document_id}` not found in vault `{vault_id}`" + ))); + } + if let Some(latest_version) = &latest_version && latest_version.is_deleted { @@ -72,18 +84,20 @@ pub async fn delete_document( return Ok(Json(latest_version.clone().into())); } - let latest_content = latest_version.map_or_else(Vec::new, |version| version.content); // in case the document has never existed before deleting it + // latest_version is guaranteed to be Some and not deleted at this point + let latest_version = latest_version.expect("checked above: not None and not deleted"); let new_version = StoredDocumentVersion { vault_update_id: last_update_id + 1, document_id, - relative_path: sanitize_path(&request.relative_path), - content: latest_content, // copy the content from the latest version + relative_path: latest_version.relative_path, + content: latest_version.content, updated_date: chrono::Utc::now(), is_deleted: true, user_id: user.name, device_id: device_id.0, has_been_merged: false, + idempotency_key: None, }; state diff --git a/sync-server/src/server/device_id_header.rs b/sync-server/src/server/device_id_header.rs index af9d6413..13bd17a8 100644 --- a/sync-server/src/server/device_id_header.rs +++ b/sync-server/src/server/device_id_header.rs @@ -16,20 +16,31 @@ impl Header for DeviceIdHeader { { let value = values.next().ok_or_else(headers::Error::invalid)?; - Ok(DeviceIdHeader( - value - .to_str() - .map_err(|_| headers::Error::invalid())? - .to_owned(), - )) + let s = value.to_str().map_err(|_| headers::Error::invalid())?; + + if s.is_empty() || s.len() > 256 { + return Err(headers::Error::invalid()); + } + + // Only allow safe characters to prevent log injection and similar attacks. + // Covers UUIDs, user-agent strings like "vault-link/1.0 (12345; linux)", + // and human-readable device names. + if !s + .chars() + .all(|c| c.is_ascii_alphanumeric() || "-_./ ();:@+,".contains(c)) + { + return Err(headers::Error::invalid()); + } + + Ok(DeviceIdHeader(s.to_owned())) } fn encode(&self, values: &mut E) where E: Extend, { - let value = HeaderValue::from_static(Box::leak(self.0.clone().into_boxed_str())); - - values.extend(std::iter::once(value)); + if let Ok(value) = HeaderValue::from_str(&self.0) { + values.extend(std::iter::once(value)); + } } } diff --git a/sync-server/src/server/fetch_document_version.rs b/sync-server/src/server/fetch_document_version.rs index c30f1d76..159cad3a 100644 --- a/sync-server/src/server/fetch_document_version.rs +++ b/sync-server/src/server/fetch_document_version.rs @@ -11,7 +11,7 @@ use crate::{ AppState, database::models::{DocumentId, DocumentVersion, VaultId, VaultUpdateId}, }, - errors::{SyncServerError, not_found_error, server_error}, + errors::{SyncServerError, client_error, not_found_error, server_error}, utils::normalize::normalize, }; @@ -52,7 +52,7 @@ pub async fn fetch_document_version( )?; if result.document_id != document_id { - return Err(not_found_error(anyhow!( + return Err(client_error(anyhow!( "Document with document id `{document_id}` does not have a version with id \ `{vault_update_id}`", ))); diff --git a/sync-server/src/server/fetch_document_version_content.rs b/sync-server/src/server/fetch_document_version_content.rs index 9fdd0ad8..a163b036 100644 --- a/sync-server/src/server/fetch_document_version_content.rs +++ b/sync-server/src/server/fetch_document_version_content.rs @@ -11,7 +11,7 @@ use crate::{ AppState, database::models::{DocumentId, VaultId, VaultUpdateId}, }, - errors::{SyncServerError, not_found_error, server_error}, + errors::{SyncServerError, client_error, not_found_error, server_error}, utils::normalize::normalize, }; @@ -52,7 +52,7 @@ pub async fn fetch_document_version_content( )?; if result.document_id != document_id { - return Err(not_found_error(anyhow!( + return Err(client_error(anyhow!( "Document with document id `{document_id}` does not have a version with id \ `{vault_update_id}`", ))); diff --git a/sync-server/src/server/fetch_document_versions.rs b/sync-server/src/server/fetch_document_versions.rs new file mode 100644 index 00000000..46d0e073 --- /dev/null +++ b/sync-server/src/server/fetch_document_versions.rs @@ -0,0 +1,42 @@ +use axum::{ + Json, + extract::{Path, State}, +}; +use log::debug; +use serde::Deserialize; + +use crate::{ + app_state::{ + AppState, + database::models::{DocumentId, DocumentVersionWithoutContent, VaultId}, + }, + errors::{SyncServerError, server_error}, + utils::normalize::normalize, +}; + +#[derive(Deserialize)] +pub struct FetchDocumentVersionsPathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, + + document_id: DocumentId, +} + +#[axum::debug_handler] +pub async fn fetch_document_versions( + Path(FetchDocumentVersionsPathParams { + vault_id, + document_id, + }): Path, + State(state): State, +) -> Result>, SyncServerError> { + debug!("Fetching all versions for document `{document_id}` in vault `{vault_id}`"); + + let versions = state + .database + .get_document_versions(&vault_id, &document_id, None) + .await + .map_err(server_error)?; + + Ok(Json(versions)) +} diff --git a/sync-server/src/server/fetch_vault_history.rs b/sync-server/src/server/fetch_vault_history.rs new file mode 100644 index 00000000..42cceaa6 --- /dev/null +++ b/sync-server/src/server/fetch_vault_history.rs @@ -0,0 +1,70 @@ +use axum::{ + Json, + extract::{Path, Query, State}, +}; +use log::debug; +use serde::Deserialize; + +use super::responses::VaultHistoryResponse; +use crate::{ + app_state::{ + AppState, + database::models::{VaultId, VaultUpdateId}, + }, + errors::{SyncServerError, client_error, server_error}, + utils::normalize::normalize, +}; + +const DEFAULT_LIMIT: i64 = 50; +const MAX_LIMIT: i64 = 500; + +#[derive(Deserialize)] +pub struct FetchVaultHistoryPathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, +} + +#[derive(Deserialize)] +pub struct QueryParams { + limit: Option, + before_update_id: Option, +} + +#[axum::debug_handler] +pub async fn fetch_vault_history( + Path(FetchVaultHistoryPathParams { vault_id }): Path, + Query(QueryParams { + limit, + before_update_id, + }): Query, + State(state): State, +) -> Result, SyncServerError> { + if let Some(id) = before_update_id + && id <= 0 + { + return Err(client_error(anyhow::anyhow!( + "before_update_id must be a positive integer" + ))); + } + + let limit = limit.unwrap_or(DEFAULT_LIMIT).clamp(1, MAX_LIMIT); + + debug!( + "Fetching vault history for vault `{vault_id}` (limit={limit}, before={before_update_id:?})" + ); + + // Fetch one extra row to determine if there are more results + let mut versions = state + .database + .get_vault_history(&vault_id, limit + 1, before_update_id, None) + .await + .map_err(server_error)?; + + #[allow(clippy::cast_sign_loss)] // limit is clamped to [1, 500] above + let has_more = versions.len() > limit as usize; + if has_more { + versions.pop(); + } + + Ok(Json(VaultHistoryResponse { versions, has_more })) +} diff --git a/sync-server/src/server/index.rs b/sync-server/src/server/index.rs index 64b053f7..bf52e380 100644 --- a/sync-server/src/server/index.rs +++ b/sync-server/src/server/index.rs @@ -1,7 +1,146 @@ -use axum::response::{Html, IntoResponse}; +use axum::{ + body::Body, + extract::{Path, State}, + http::{StatusCode, header}, + response::{Html, IntoResponse, Response}, +}; +use log::warn; +use rust_embed::Embed; -pub async fn index() -> impl IntoResponse { - const HTML_CONTENT: &str = include_str!("./assets/index.html"); - let html_content = HTML_CONTENT; - Html(html_content) +use crate::app_state::AppState; + +#[derive(Embed)] +#[folder = "../frontend/history-ui/dist/"] +struct HistoryUiAssets; + +pub async fn index(State(state): State) -> impl IntoResponse { + if let Some(proxy_url) = &state.config.server.dev_proxy_url { + let response = proxy_request(proxy_url, "/").await; + if response.status().is_success() { + return response; + } + } + + if let Some(content) = HistoryUiAssets::get("index.html") { + Html( + std::str::from_utf8(content.data.as_ref()) + .inspect_err(|e| warn!("Embedded index.html is not valid UTF-8: {e}")) + .unwrap_or("

VaultLink

") + .to_owned(), + ) + .into_response() + } else { + warn!("No embedded index.html found — history UI may not have been built"); + Html("

VaultLink server

".to_owned()).into_response() + } +} + +pub async fn spa_assets( + State(state): State, + Path(path): Path, +) -> impl IntoResponse { + if let Some(proxy_url) = &state.config.server.dev_proxy_url { + let response = proxy_request(proxy_url, &format!("/assets/{path}")).await; + if response.status().is_success() { + return response; + } + } + + // The route is /assets/*path so path is relative to assets/. + // The embedded files include the assets/ prefix from the dist directory. + let full_path = format!("assets/{path}"); + if let Some(content) = HistoryUiAssets::get(&full_path) { + let mime = mime_guess::from_path(&full_path).first_or_octet_stream(); + return Response::builder() + .status(StatusCode::OK) + .header(header::CONTENT_TYPE, mime.as_ref()) + .body(Body::from(content.data.to_vec())) + .unwrap_or_else(|_| { + Response::builder() + .status(StatusCode::INTERNAL_SERVER_ERROR) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + }); + } + + // Asset paths must match an embedded file — no SPA fallback. + // Serving index.html here would return 200 with text/html for missing + // .css/.js files, causing the browser to silently ignore the content. + Response::builder() + .status(StatusCode::NOT_FOUND) + .body(Body::from("Not found")) + .unwrap_or_else(|_| Response::new(Body::from("Not found"))) +} + +/// Proxies unmatched paths to the Vite dev server for HMR support +/// (`@vite/client`, `src/`, etc.). +pub async fn vite_proxy( + State(state): State, + request: axum::extract::Request, +) -> impl IntoResponse { + let proxy_url = state.config.server.dev_proxy_url.as_deref().unwrap_or(""); + let response = proxy_request(proxy_url, request.uri().path()).await; + if !response.status().is_success() { + return Response::builder() + .status(StatusCode::NOT_FOUND) + .body(Body::from("Not found")) + .unwrap_or_else(|_| Response::new(Body::from("Not found"))); + } + response +} + +/// SPA fallback for production: serves index.html for client-side routes +/// (e.g. `/documents/123`). Only used when the dev proxy is disabled. +pub async fn spa_fallback() -> impl IntoResponse { + match HistoryUiAssets::get("index.html") { + Some(content) => Response::builder() + .status(StatusCode::OK) + .header(header::CONTENT_TYPE, "text/html") + .body(Body::from(content.data.to_vec())) + .unwrap_or_else(|_| { + Response::builder() + .status(StatusCode::INTERNAL_SERVER_ERROR) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + }), + None => Response::builder() + .status(StatusCode::NOT_FOUND) + .body(Body::from("Not found")) + .unwrap_or_else(|_| Response::new(Body::from("Not found"))), + } +} + +static DEV_PROXY_CLIENT: std::sync::LazyLock = std::sync::LazyLock::new(|| { + reqwest::Client::builder() + .timeout(std::time::Duration::from_secs(5)) + .build() + .unwrap_or_default() +}); + +async fn proxy_request(proxy_url: &str, path: &str) -> Response { + let url = format!("{proxy_url}{path}"); + match DEV_PROXY_CLIENT.get(&url).send().await { + Ok(resp) => { + let status = + StatusCode::from_u16(resp.status().as_u16()).unwrap_or(StatusCode::BAD_GATEWAY); + let mut builder = Response::builder().status(status); + for (name, value) in resp.headers() { + builder = builder.header(name.clone(), value.clone()); + } + let bytes = resp.bytes().await.unwrap_or_default(); + builder.body(Body::from(bytes)).unwrap_or_else(|_| { + Response::builder() + .status(StatusCode::BAD_GATEWAY) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + }) + } + Err(_) => { + // Dev server not running — fall back to embedded assets + Response::builder() + .status(StatusCode::BAD_GATEWAY) + .body(Body::empty()) + .unwrap_or_else(|_| Response::new(Body::empty())) + } + } } diff --git a/sync-server/src/server/rate_limit.rs b/sync-server/src/server/rate_limit.rs new file mode 100644 index 00000000..8047adc2 --- /dev/null +++ b/sync-server/src/server/rate_limit.rs @@ -0,0 +1,72 @@ +use std::sync::{ + Arc, + atomic::{AtomicU64, Ordering}, +}; + +use axum::{extract::Request, http::StatusCode, middleware::Next, response::Response}; + +/// Simple token-bucket rate limiter that refills every second. +#[derive(Clone, Debug)] +pub struct RateLimiter { + inner: Arc, +} + +#[derive(Debug)] +struct TokenBucket { + tokens: AtomicU64, + max_tokens: u64, +} + +impl RateLimiter { + /// Create a new rate limiter. Spawns a background task that refills tokens + /// every second. + /// + /// # Panics + /// + /// Panics if `max_per_second` is 0. + pub fn new(max_per_second: u64) -> Self { + assert!( + max_per_second > 0, + "max_per_second must be > 0 (use 0 in config to disable rate limiting entirely)" + ); + + let bucket = Arc::new(TokenBucket { + tokens: AtomicU64::new(max_per_second), + max_tokens: max_per_second, + }); + + let bucket_clone = bucket.clone(); + tokio::spawn(async move { + let mut interval = tokio::time::interval(std::time::Duration::from_secs(1)); + loop { + interval.tick().await; + bucket_clone + .tokens + .store(bucket_clone.max_tokens, Ordering::Release); + } + }); + + Self { inner: bucket } + } + + fn try_acquire(&self) -> bool { + self.inner + .tokens + .fetch_update(Ordering::AcqRel, Ordering::Acquire, |current| { + if current > 0 { Some(current - 1) } else { None } + }) + .is_ok() + } +} + +pub async fn rate_limit_middleware( + axum::extract::State(limiter): axum::extract::State, + req: Request, + next: Next, +) -> Result { + if limiter.try_acquire() { + Ok(next.run(req).await) + } else { + Err(StatusCode::TOO_MANY_REQUESTS) + } +} diff --git a/sync-server/src/server/requests.rs b/sync-server/src/server/requests.rs index 119ad467..2e612234 100644 --- a/sync-server/src/server/requests.rs +++ b/sync-server/src/server/requests.rs @@ -4,21 +4,18 @@ use reconcile_text::NumberOrText; use serde::{self, Deserialize}; use ts_rs::TS; -use crate::app_state::database::models::{DocumentId, VaultUpdateId}; +use crate::app_state::database::models::VaultUpdateId; #[derive(TS, Debug, TryFromMultipart)] #[ts(export)] pub struct CreateDocumentVersion { - /// The client can decide the document id (if it wishes to) in order - /// to help with syncing. If the client does not provide a document id, - /// the server will generate one. If the client provides a document id - /// it must not already exist in the database. - pub document_id: Option, pub relative_path: String, #[ts(as = "Vec")] #[form_data(limit = "unlimited")] pub content: FieldData, + + pub idempotency_key: Option, } #[derive(Debug, TryFromMultipart)] @@ -34,7 +31,7 @@ pub struct UpdateBinaryDocumentVersion { #[serde(rename_all = "camelCase")] #[ts(export)] pub struct UpdateTextDocumentVersion { - #[ts(as = "i32")] + #[ts(type = "number")] pub parent_version_id: VaultUpdateId, pub relative_path: String, @@ -43,9 +40,5 @@ pub struct UpdateTextDocumentVersion { pub content: Vec, } -#[derive(TS, Debug, Deserialize)] -#[serde(rename_all = "camelCase")] -#[ts(export)] -pub struct DeleteDocumentVersion { - pub relative_path: String, -} +#[derive(Debug, Deserialize)] +pub struct DeleteDocumentVersion {} diff --git a/sync-server/src/server/resolve_keys.rs b/sync-server/src/server/resolve_keys.rs new file mode 100644 index 00000000..01cbb416 --- /dev/null +++ b/sync-server/src/server/resolve_keys.rs @@ -0,0 +1,78 @@ +use std::collections::HashMap; + +use axum::{ + Json, + extract::{Path, State}, +}; +use log::debug; +use serde::{Deserialize, Serialize}; + +use crate::{ + app_state::{AppState, database::models::VaultId}, + errors::{SyncServerError, server_error}, + utils::normalize::normalize, +}; + +#[derive(Deserialize)] +pub struct ResolveKeysPathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, +} + +#[derive(Debug, Deserialize)] +#[serde(rename_all = "camelCase")] +pub struct ResolveKeysRequest { + pub idempotency_keys: Vec, +} + +#[derive(Debug, Serialize)] +#[serde(rename_all = "camelCase")] +pub struct ResolveKeysResponse { + /// Maps `idempotency_key` -> `document_id` for keys that were found + pub resolved: HashMap, +} + +#[axum::debug_handler] +pub async fn resolve_keys( + Path(ResolveKeysPathParams { vault_id }): Path, + State(state): State, + Json(request): Json, +) -> Result, SyncServerError> { + debug!( + "Resolving {} idempotency keys in vault `{vault_id}`", + request.idempotency_keys.len() + ); + + // Each key lookup is an independent read — no write transaction needed. + // Using create_write_transaction (BEGIN IMMEDIATE) here would hold the + // SQLite write lock for the entire iteration, blocking all concurrent + // creates/updates/deletes and causing server-wide deadlocks under load. + let mut resolved = HashMap::new(); + + for key in &request.idempotency_keys { + let document = state + .database + .get_document_by_idempotency_key(&vault_id, key, None) + .await + .map_err(server_error)?; + + if let Some(doc) = document { + // Skip deleted documents — returning their documentId would cause + // the client to assign a stale ID to its pending doc, and the + // subsequent create retry would get a different documentId from the + // server (since create_document falls through for deleted matches), + // leaving the document permanently stuck. + if !doc.is_deleted { + resolved.insert(key.clone(), doc.document_id.to_string()); + } + } + } + + debug!( + "Resolved {}/{} idempotency keys", + resolved.len(), + request.idempotency_keys.len() + ); + + Ok(Json(ResolveKeysResponse { resolved })) +} diff --git a/sync-server/src/server/responses.rs b/sync-server/src/server/responses.rs index a8b3fcd7..c8d5bf84 100644 --- a/sync-server/src/server/responses.rs +++ b/sync-server/src/server/responses.rs @@ -36,6 +36,15 @@ pub struct FetchLatestDocumentsResponse { pub last_update_id: VaultUpdateId, } +/// Response to a vault history request (paginated). +#[derive(TS, Debug, Clone, Serialize)] +#[serde(rename_all = "camelCase")] +#[ts(export)] +pub struct VaultHistoryResponse { + pub versions: Vec, + pub has_more: bool, +} + /// Response to an update document request. #[derive(TS, Debug, Clone, Serialize)] #[serde(tag = "type")] diff --git a/sync-server/src/server/restore_document_version.rs b/sync-server/src/server/restore_document_version.rs new file mode 100644 index 00000000..1c6f07ae --- /dev/null +++ b/sync-server/src/server/restore_document_version.rs @@ -0,0 +1,148 @@ +use anyhow::anyhow; +use axum::{ + Extension, Json, + extract::{Path, State}, +}; +use axum_extra::TypedHeader; +use log::{debug, info}; +use serde::Deserialize; + +use super::device_id_header::DeviceIdHeader; +use crate::{ + app_state::{ + AppState, + database::models::{ + DocumentId, DocumentVersionWithoutContent, StoredDocumentVersion, VaultId, + VaultUpdateId, + }, + }, + config::user_config::User, + errors::{SyncServerError, client_error, not_found_error, server_error}, + utils::{find_first_available_path::find_first_available_path, normalize::normalize}, +}; + +#[derive(Deserialize)] +pub struct RestorePathParams { + #[serde(deserialize_with = "normalize")] + vault_id: VaultId, + + document_id: DocumentId, +} + +#[derive(Deserialize)] +#[serde(rename_all = "camelCase")] +pub struct RestoreDocumentVersionRequest { + pub vault_update_id: VaultUpdateId, +} + +#[axum::debug_handler] +pub async fn restore_document_version( + Path(RestorePathParams { + vault_id, + document_id, + }): Path, + Extension(user): Extension, + TypedHeader(device_id): TypedHeader, + State(state): State, + Json(request): Json, +) -> Result, SyncServerError> { + debug!( + "Restoring document `{document_id}` in vault `{vault_id}` to version `{}`", + request.vault_update_id + ); + + if request.vault_update_id <= 0 { + return Err(client_error(anyhow!( + "Invalid vault_update_id: `{}`", + request.vault_update_id + ))); + } + + let mut transaction = state + .database + .create_write_transaction(&vault_id) + .await + .map_err(server_error)?; + + let target_version = state + .database + .get_document_version(&vault_id, request.vault_update_id, Some(&mut *transaction)) + .await + .map_err(server_error)? + .ok_or_else(|| { + not_found_error(anyhow!("Version `{}` not found", request.vault_update_id)) + })?; + + if target_version.document_id != document_id { + transaction.rollback().await.map_err(server_error)?; + return Err(not_found_error(anyhow!( + "Version `{}` does not belong to document `{document_id}`", + request.vault_update_id, + ))); + } + + if target_version.is_deleted { + transaction.rollback().await.map_err(server_error)?; + return Err(client_error(anyhow!( + "Cannot restore to a deleted version `{}`", + request.vault_update_id, + ))); + } + + let existing = state + .database + .get_latest_non_deleted_document_by_path( + &vault_id, + &target_version.relative_path, + Some(&mut *transaction), + ) + .await + .map_err(server_error)?; + + let restore_path = if let Some(existing_doc) = &existing + && existing_doc.document_id != document_id + { + find_first_available_path( + &vault_id, + &target_version.relative_path, + &state.database, + &mut transaction, + ) + .await + .map_err(server_error)? + } else { + target_version.relative_path.clone() + }; + + let last_update_id = state + .database + .get_max_update_id_in_vault(&vault_id, Some(&mut *transaction)) + .await + .map_err(server_error)?; + + let new_version = StoredDocumentVersion { + vault_update_id: last_update_id + 1, + document_id, + relative_path: restore_path, + content: target_version.content, + updated_date: chrono::Utc::now(), + is_deleted: false, + user_id: user.name.clone(), + device_id: device_id.0.clone(), + has_been_merged: false, + idempotency_key: None, + }; + + state + .database + .insert_document_version(&vault_id, &new_version, Some(transaction)) + .await + .map_err(server_error)?; + + info!( + "Restored document `{document_id}` to version `{}` as new version `{}`", + request.vault_update_id, new_version.vault_update_id + ); + + Ok(Json(new_version.into())) +} diff --git a/sync-server/src/server/update_document.rs b/sync-server/src/server/update_document.rs index 00fbd008..3dc7640e 100644 --- a/sync-server/src/server/update_document.rs +++ b/sync-server/src/server/update_document.rs @@ -16,7 +16,10 @@ use super::{ use crate::{ app_state::{ AppState, - database::models::{DocumentId, StoredDocumentVersion, VaultId, VaultUpdateId}, + database::{ + WriteTransaction, + models::{DocumentId, StoredDocumentVersion, VaultId, VaultUpdateId}, + }, }, config::user_config::User, errors::{SyncServerError, client_error, not_found_error, server_error}, @@ -46,7 +49,8 @@ pub async fn update_binary( State(state): State, TypedMultipart(request): TypedMultipart, ) -> Result, SyncServerError> { - let parent_document = get_parent_document(&state, &vault_id, request.parent_version_id).await?; + let parent_document = + get_parent_document(&state, &vault_id, &document_id, request.parent_version_id).await?; let content = request.content.contents.to_vec(); update_document( @@ -74,16 +78,16 @@ pub async fn update_text( State(state): State, Json(request): Json, ) -> Result, SyncServerError> { - let parent_document = get_parent_document(&state, &vault_id, request.parent_version_id).await?; + let parent_document = + get_parent_document(&state, &vault_id, &document_id, request.parent_version_id).await?; - let edited_text = EditedText::from_diff( - str::from_utf8(&parent_document.content) - .expect("parent must be valid UTF-8 because it's a text document"), - request.content, - &*BuiltinTokenizer::Word, - ) - .context("Failed to apply given diff to parent document") - .map_err(client_error)?; + let parent_text = str::from_utf8(&parent_document.content) + .context("Parent version contains binary content; use putBinary instead of putText") + .map_err(client_error)?; + + let edited_text = EditedText::from_diff(parent_text, request.content, &*BuiltinTokenizer::Word) + .context("Failed to apply given diff to parent document") + .map_err(client_error)?; let content = edited_text.apply().text().into_bytes(); @@ -103,9 +107,10 @@ pub async fn update_text( async fn get_parent_document( state: &AppState, vault_id: &VaultId, + document_id: &DocumentId, parent_version_id: VaultUpdateId, ) -> Result { - state + let parent = state .database .get_document_version(vault_id, parent_version_id, None) .await @@ -117,7 +122,15 @@ async fn get_parent_document( ))) }, Ok, - ) + )?; + + if &parent.document_id != document_id { + return Err(client_error(anyhow!( + "Parent version `{parent_version_id}` does not belong to document `{document_id}`" + ))); + } + + Ok(parent) } #[allow(clippy::too_many_lines, clippy::too_many_arguments)] @@ -135,6 +148,12 @@ async fn update_document( let sanitized_relative_path = sanitize_path(relative_path); + if sanitized_relative_path.is_empty() { + return Err(client_error(anyhow!( + "Relative path is empty after sanitization" + ))); + } + let mut transaction = state .database .create_write_transaction(&vault_id) @@ -199,31 +218,40 @@ async fn update_document( && !is_binary(&latest_version.content) && !is_binary(&content); - let merged_content = if are_all_participants_mergable { + let (merged_content, is_different_from_request_content) = if are_all_participants_mergable { info!("Merging changes for document `{document_id}` in vault `{vault_id}`"); - reconcile( - str::from_utf8(&parent_document.content) - .expect("parent must be valid UTF-8 because it's not binary"), - &str::from_utf8(&latest_version.content) - .expect("latest_version must be valid UTF-8 because it's not binary") - .into(), - &str::from_utf8(&content) - .expect("content must be valid UTF-8 because it's not binary") - .into(), + let parent_text = str::from_utf8(&parent_document.content) + .context("Parent document content is not valid UTF-8") + .map_err(client_error)?; + let latest_text = str::from_utf8(&latest_version.content) + .context("Latest version content is not valid UTF-8") + .map_err(client_error)?; + let new_text = str::from_utf8(&content) + .context("New content is not valid UTF-8") + .map_err(client_error)?; + let merged = reconcile( + parent_text, + &latest_text.into(), + &new_text.into(), &*BuiltinTokenizer::Word, ) .apply() .text() - .into_bytes() + .into_bytes(); + let is_different = merged != content; + (merged, is_different) } else { - content.clone() + (content, false) }; - let is_different_from_request_content = merged_content != content; - - // We can only update the relative path if we're the first one to do so + // Rename resolution: only apply the client's rename if the document's path + // hasn't changed since this client's parent version. Check the parent + // version's path against the latest version's path. If they differ, another + // client already renamed the document — keep the latest path (first rename + // wins). Content changes from both clients are still merged correctly via + // the 3-way reconcile above, independent of which rename wins. let new_relative_path = if parent_document.relative_path == latest_version.relative_path - && latest_version.relative_path != sanitized_relative_path + && sanitized_relative_path != latest_version.relative_path { let new_path = find_first_available_path( &vault_id, @@ -255,6 +283,114 @@ async fn update_document( user_id: user.name, device_id: device_id.0, has_been_merged: are_all_participants_mergable && is_different_from_request_content, + idempotency_key: None, + }; + + state + .database + .insert_document_version(&vault_id, &new_version, Some(transaction)) + .await + .map_err(server_error)?; + + Ok(Json(if is_different_from_request_content { + DocumentUpdateResponse::MergingUpdate(new_version.into()) + } else { + DocumentUpdateResponse::FastForwardUpdate(new_version.into()) + })) +} + +pub struct MergeInput<'a> { + pub parent_content: &'a [u8], + pub new_content: Vec, + pub idempotency_key: Option, +} + +#[allow(clippy::too_many_arguments)] +pub async fn merge_with_stored_version( + input: MergeInput<'_>, + latest_version: StoredDocumentVersion, + vault_id: VaultId, + user: User, + device_id: DeviceIdHeader, + state: AppState, + mut transaction: WriteTransaction, +) -> Result, SyncServerError> { + let document_id = latest_version.document_id; + + let last_update_id = state + .database + .get_max_update_id_in_vault(&vault_id, Some(&mut transaction)) + .await + .map_err(server_error)?; + + let are_all_participants_mergable = is_file_type_mergable( + &latest_version.relative_path, + &state.config.server.mergeable_file_extensions, + ) && !is_binary(input.parent_content) + && !is_binary(&latest_version.content) + && !is_binary(&input.new_content); + + let merged_content = if are_all_participants_mergable { + info!("Merging changes for document `{document_id}` in vault `{vault_id}`"); + let parent_text = str::from_utf8(input.parent_content) + .context("Parent content is not valid UTF-8") + .map_err(client_error)?; + let latest_text = str::from_utf8(&latest_version.content) + .context("Latest version content is not valid UTF-8") + .map_err(client_error)?; + let new_text = str::from_utf8(&input.new_content) + .context("New content is not valid UTF-8") + .map_err(client_error)?; + reconcile( + parent_text, + &latest_text.into(), + &new_text.into(), + &*BuiltinTokenizer::Word, + ) + .apply() + .text() + .into_bytes() + } else { + input.new_content.clone() + }; + + let is_different_from_request_content = merged_content != input.new_content; + + // When merging during create, keep the latest version's path (the existing + // document's path) rather than the requested path. + let new_relative_path = latest_version.relative_path.clone(); + + // Short-circuit: if content is identical AND no idempotency key to persist, + // return the existing version without inserting a new row. + if merged_content == latest_version.content + && new_relative_path == latest_version.relative_path + && input.idempotency_key.is_none() + { + info!( + "Merged content is the same as the latest version for `{document_id}`, skipping insert" + ); + transaction + .rollback() + .await + .context("Failed to roll back transaction") + .map_err(server_error)?; + + return Ok(Json(DocumentUpdateResponse::FastForwardUpdate( + latest_version.into(), + ))); + } + + let new_version = StoredDocumentVersion { + document_id, + vault_update_id: last_update_id + 1, + relative_path: new_relative_path, + content: merged_content, + updated_date: chrono::Utc::now(), + is_deleted: false, + user_id: user.name, + device_id: device_id.0, + has_been_merged: are_all_participants_mergable && is_different_from_request_content, + idempotency_key: input.idempotency_key, }; state diff --git a/sync-server/src/server/websocket.rs b/sync-server/src/server/websocket.rs index bb10b49f..337ef4e3 100644 --- a/sync-server/src/server/websocket.rs +++ b/sync-server/src/server/websocket.rs @@ -6,9 +6,11 @@ use axum::{ }, response::Response, }; +use futures::sink::SinkExt; use futures::stream::StreamExt; -use log::{debug, info}; +use log::{debug, info, warn}; use serde::Deserialize; +use std::time::Duration; use crate::{ app_state::{ @@ -28,6 +30,20 @@ use crate::{ utils::normalize::normalize, }; +const HANDSHAKE_TIMEOUT: Duration = Duration::from_secs(10); + +/// Tracks a pending (not yet authenticated) WebSocket connection. +/// Decrements the counter when dropped, ensuring cleanup even if +/// the upgrade never completes or auth fails. +struct PendingWsGuard(std::sync::Arc); + +impl Drop for PendingWsGuard { + fn drop(&mut self) { + self.0 + .fetch_sub(1, std::sync::atomic::Ordering::Relaxed); + } +} + #[derive(Deserialize)] pub struct WebSocketPathParams { #[serde(deserialize_with = "normalize")] @@ -39,13 +55,42 @@ pub async fn websocket_handler( Path(WebSocketPathParams { vault_id }): Path, State(state): State, ) -> Result { - Ok(ws.on_upgrade(move |socket| websocket_wrapped(state, socket, vault_id))) + // Delegating to a non-async helper avoids a known Rust issue where + // temporary borrows of `state` inside an async fn (before the move into + // `on_upgrade`) cause "Send is not general enough" compilation errors. + websocket_handler_inner(ws, vault_id, state) } -async fn websocket_wrapped(state: AppState, stream: WebSocket, vault_id: VaultId) { +fn websocket_handler_inner( + ws: WebSocketUpgrade, + vault_id: VaultId, + state: AppState, +) -> Result { + let current = state + .pending_ws_connections + .fetch_add(1, std::sync::atomic::Ordering::Relaxed); + if current >= state.config.server.max_pending_websocket_connections { + state + .pending_ws_connections + .fetch_sub(1, std::sync::atomic::Ordering::Relaxed); + return Err(client_error(anyhow::anyhow!( + "Too many pending WebSocket connections" + ))); + } + + let guard = PendingWsGuard(state.pending_ws_connections.clone()); + Ok(ws.on_upgrade(move |socket| websocket_wrapped(state, socket, vault_id, guard))) +} + +async fn websocket_wrapped( + state: AppState, + stream: WebSocket, + vault_id: VaultId, + pending_guard: PendingWsGuard, +) { info!("WebSocket connection opened on vault `{vault_id}`"); - let result = websocket(state, stream, vault_id.clone()).await; + let result = websocket(state, stream, vault_id.clone(), pending_guard).await; if let Err(err) = result { debug!("WebSocket connection error on vault `{vault_id}`: {err}"); @@ -57,25 +102,53 @@ async fn websocket( state: AppState, stream: WebSocket, vault_id: VaultId, + pending_guard: PendingWsGuard, ) -> Result<(), SyncServerError> { let (mut sender, mut websocket_receiver) = stream.split(); - let authed_handshake = get_authenticated_handshake( - &state, - &vault_id, - websocket_receiver - .next() - .await - .transpose() - .unwrap_or_default(), - )?; + let handshake_msg = tokio::time::timeout(HANDSHAKE_TIMEOUT, websocket_receiver.next()) + .await + .map_err(|_| client_error(anyhow::anyhow!("WebSocket handshake timed out")))? + .transpose() + .map_err(|e| client_error(anyhow::anyhow!("WebSocket error during handshake: {e}")))?; + + let authed_handshake = get_authenticated_handshake(&state, &vault_id, handshake_msg)?; info!( "WebSocket handshake successful for vault `{vault_id}` for `{}`", authed_handshake.handshake.device_id ); - let mut broadcast_receiver = state.broadcasts.get_receiver(vault_id.clone()).await; + // Auth complete — no longer a pending connection. + drop(pending_guard); + + let max_clients = state.config.server.max_clients_per_vault; + let mut broadcast_receiver = match state + .broadcasts + .get_receiver(vault_id.clone(), max_clients) + .await + { + Ok(receiver) => receiver, + Err(err) => { + warn!( + "Vault `{vault_id}` has reached the maximum number of clients ({max_clients}), rejecting connection from `{}`", + authed_handshake.handshake.device_id + ); + if let Err(e) = sender + .send(Message::Close(Some(axum::extract::ws::CloseFrame { + code: 4000, + reason: format!( + "Vault has reached the maximum number of clients ({max_clients})" + ) + .into(), + }))) + .await + { + warn!("Failed to send WebSocket close frame: {e}"); + } + return Err(err); + } + }; send_update_over_websocket( &WebSocketServerMessage::VaultUpdate(WebSocketVaultUpdate { @@ -101,24 +174,35 @@ async fn websocket( let device_id = authed_handshake.handshake.device_id.clone(); let mut send_task = tokio::spawn(async move { - while let Ok(update) = broadcast_receiver.recv().await { - if Some(&device_id) == update.origin_device_id.as_ref() { - continue; - } + loop { + match broadcast_receiver.recv().await { + Ok(update) => { + if Some(&device_id) == update.origin_device_id.as_ref() { + continue; + } - let message = match update.message { - WebSocketServerMessage::CursorPositions(CursorPositionFromServer { clients }) => { - WebSocketServerMessage::CursorPositions(CursorPositionFromServer { - clients: clients - .into_iter() - .filter(|client| client.device_id != device_id) - .collect(), - }) + let message = match update.message { + WebSocketServerMessage::CursorPositions(CursorPositionFromServer { + clients, + }) => WebSocketServerMessage::CursorPositions(CursorPositionFromServer { + clients: clients + .into_iter() + .filter(|client| client.device_id != device_id) + .collect(), + }), + WebSocketServerMessage::VaultUpdate(_) => update.message, + }; + + send_update_over_websocket(&message, &mut sender).await?; } - WebSocketServerMessage::VaultUpdate(_) => update.message, - }; - - send_update_over_websocket(&message, &mut sender).await?; + Err(tokio::sync::broadcast::error::RecvError::Lagged(n)) => { + warn!( + "WebSocket receiver lagged, dropped {n} messages — disconnecting client to force full resync" + ); + break; + } + Err(tokio::sync::broadcast::error::RecvError::Closed) => break, + } } Ok::<(), SyncServerError>(()) @@ -128,26 +212,64 @@ async fn websocket( let vault_id_clone = vault_id.clone(); let cursor_manager = state.cursors.clone(); let mut receive_task = tokio::spawn(async move { - while let Some(Ok(Message::Text(message))) = websocket_receiver.next().await { - let message: WebSocketClientMessage = serde_json::from_str(&message) - .context("Failed to parse WebSocket message from client") - .map_err(server_error)?; + while let Some(msg) = websocket_receiver.next().await { + match msg { + Ok(Message::Text(message)) => { + let message: WebSocketClientMessage = serde_json::from_str(&message) + .context("Failed to parse WebSocket message from client") + .map_err(client_error)?; - match message { - WebSocketClientMessage::Handshake(_) => { - return Err(client_error(anyhow::anyhow!( - "Unexpected handshake message" - ))); + match message { + WebSocketClientMessage::Handshake(_) => { + return Err(client_error(anyhow::anyhow!( + "Unexpected handshake message" + ))); + } + WebSocketClientMessage::CursorPositions(cursors) => { + const MAX_CURSOR_DOCUMENTS: usize = 1000; + const MAX_CURSORS_PER_DOCUMENT: usize = 100; + const MAX_RELATIVE_PATH_LEN: usize = 4096; + + let docs = cursors.documents_with_cursors; + if docs.len() > MAX_CURSOR_DOCUMENTS { + warn!( + "Cursor update rejected: {} documents exceeds limit of {MAX_CURSOR_DOCUMENTS}", + docs.len() + ); + continue; + } + + let valid = docs.iter().all(|doc| { + doc.cursors.len() <= MAX_CURSORS_PER_DOCUMENT + && doc.relative_path.len() <= MAX_RELATIVE_PATH_LEN + }); + if !valid { + warn!("Cursor update rejected: a document exceeds cursor or path length limits"); + continue; + } + + cursor_manager + .update_cursors( + vault_id_clone.clone(), + authed_handshake.user.name.clone(), + &device_id, + docs, + ) + .await; + } + WebSocketClientMessage::Ping {} => { + // Ping is a no-op for now; the variant exists for future keep-alive support. + } + } } - WebSocketClientMessage::CursorPositions(cursors) => { - cursor_manager - .update_cursors( - vault_id_clone.clone(), - authed_handshake.user.name.clone(), - &device_id, - cursors.documents_with_cursors, - ) - .await; + Ok(Message::Close(_)) => break, + Ok(Message::Binary(_)) => { + warn!("Received unexpected binary WebSocket message, ignoring"); + } + Ok(_) => {} // Ping/Pong frames handled by axum + Err(e) => { + debug!("WebSocket receive error: {e}"); + break; } } } @@ -155,38 +277,47 @@ async fn websocket( Ok::<(), SyncServerError>(()) }); - tokio::select! { - _ = &mut send_task => receive_task.abort(), - _ = &mut receive_task => send_task.abort(), + let result: Result<(), SyncServerError> = tokio::select! { + send_result = &mut send_task => { + receive_task.abort(); + let _ = receive_task.await; + match send_result { + Err(e) => Err(server_error( + anyhow::Error::from(e).context("WebSocket send task failed"), + )), + Ok(inner) => inner, + } + }, + receive_result = &mut receive_task => { + send_task.abort(); + let _ = send_task.await; + match receive_result { + Err(e) => Err(server_error( + anyhow::Error::from(e).context("WebSocket receive task failed"), + )), + Ok(inner) => inner, + } + }, }; - let result: Result<(), SyncServerError> = (async { - send_task - .await - .context("WebSocket send task failed") - .map_err(client_error) - .and_then(|err| err)?; - - receive_task - .await - .context("WebSocket receive task failed") - .map_err(client_error) - .and_then(|err| err)?; - - Ok(()) - }) - .await; - state .cursors .remove_cursors_of_device(&vault_id, &authed_handshake.handshake.device_id) .await; - if result.is_err() { - info!( - "WebSocket disconnected on vault `{vault_id}` for `{}`", - authed_handshake.handshake.device_id - ); + match &result { + Ok(()) => { + info!( + "WebSocket disconnected on vault `{vault_id}` for `{}`", + authed_handshake.handshake.device_id + ); + } + Err(err) => { + warn!( + "WebSocket error on vault `{vault_id}` for `{}`: {err}", + authed_handshake.handshake.device_id + ); + } } result diff --git a/sync-server/src/utils.rs b/sync-server/src/utils.rs index b501ecb2..08db4b75 100644 --- a/sync-server/src/utils.rs +++ b/sync-server/src/utils.rs @@ -1,3 +1,4 @@ +pub mod decode_text; pub mod dedup_paths; pub mod find_first_available_path; pub mod is_binary; diff --git a/sync-server/src/utils/decode_text.rs b/sync-server/src/utils/decode_text.rs new file mode 100644 index 00000000..4172a7eb --- /dev/null +++ b/sync-server/src/utils/decode_text.rs @@ -0,0 +1,41 @@ +/// Decode bytes as UTF-8. +/// +/// Returns `None` if the content is not valid UTF-8. +/// +/// Clients are expected to transcode UTF-16 content to UTF-8 before +/// sending, so the server only needs to handle UTF-8 text and binary. +pub fn decode_text(data: &[u8]) -> Option { + std::str::from_utf8(data).ok().map(String::from) +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn test_utf8() { + assert_eq!(decode_text(b"hello"), Some("hello".to_owned())); + } + + #[test] + fn test_utf8_with_bom() { + // UTF-8 BOM is valid UTF-8 — the BOM character is preserved in the string + assert_eq!( + decode_text(&[0xEF, 0xBB, 0xBF, b'h', b'i']), + Some("\u{FEFF}hi".to_owned()) + ); + } + + #[test] + fn test_binary_returns_none() { + assert_eq!(decode_text(&[0x80, 0x81, 0x82]), None); + } + + #[test] + fn test_nul_bytes_are_valid() { + assert_eq!( + decode_text(b"hello\x00world"), + Some("hello\x00world".to_owned()) + ); + } +} diff --git a/sync-server/src/utils/dedup_paths.rs b/sync-server/src/utils/dedup_paths.rs index bc687f6a..b3a03800 100644 --- a/sync-server/src/utils/dedup_paths.rs +++ b/sync-server/src/utils/dedup_paths.rs @@ -1,8 +1,54 @@ +use std::sync::LazyLock; + use regex::Regex; +static DEDUP_SUFFIX_REGEX: LazyLock = + LazyLock::new(|| Regex::new(r" \((\d+)\)$").expect("invalid regex")); + +/// Strip the ` (N)` deconfliction suffix from a path, returning the base path. +/// e.g., `"binary-2 (3).bin"` → `"binary-2.bin"`, `"binary-2.bin"` → `"binary-2.bin"` +pub fn get_base_path(path: &str) -> String { + let mut path_parts = path.split('/').collect::>(); + let Some(file_name) = path_parts.pop() else { + return path.to_owned(); + }; + if file_name.is_empty() { + return path.to_owned(); + } + let file_name = file_name.to_owned(); + + let mut directory = path_parts.join("/"); + if !directory.is_empty() { + directory.push('/'); + } + + let is_simple_dotfile = file_name.starts_with('.') && file_name.matches('.').count() == 1; + + let (stem, extension) = if is_simple_dotfile { + (file_name.clone(), String::new()) + } else { + let name_parts = file_name.rsplitn(2, '.').collect::>(); + let mut reverse_parts = name_parts.into_iter().rev(); + match (reverse_parts.next(), reverse_parts.next()) { + (Some(s), maybe_ext) => ( + s.to_owned(), + maybe_ext.map(|ext| format!(".{ext}")).unwrap_or_default(), + ), + _ => unreachable!("Path must have at least one part"), + } + }; + + let clean_stem = DEDUP_SUFFIX_REGEX.replace(&stem, "").to_string(); + format!("{directory}{clean_stem}{extension}") +} + pub fn dedup_paths(path: &str) -> impl Iterator { let mut path_parts = path.split('/').collect::>(); - let file_name = path_parts.pop().unwrap().to_owned(); + let file_name = path_parts + .pop() + .filter(|s| !s.is_empty()) + .unwrap_or(path) + .to_owned(); let mut directory = path_parts.join("/"); if !directory.is_empty() { @@ -29,14 +75,13 @@ pub fn dedup_paths(path: &str) -> impl Iterator { } }; - let regex = Regex::new(r" \((\d+)\)$").unwrap(); - let start_number = regex + let start_number = DEDUP_SUFFIX_REGEX .captures(&stem) .and_then(|caps| caps.get(1)) .and_then(|m| m.as_str().parse::().ok()) .unwrap_or(0); - let clean_stem = regex.replace(&stem, "").to_string(); + let clean_stem = DEDUP_SUFFIX_REGEX.replace(&stem, "").to_string(); (start_number..).map(move |dedup_number| { if dedup_number == 0 { diff --git a/sync-server/src/utils/find_first_available_path.rs b/sync-server/src/utils/find_first_available_path.rs index 7629d8f1..97a2acd7 100644 --- a/sync-server/src/utils/find_first_available_path.rs +++ b/sync-server/src/utils/find_first_available_path.rs @@ -1,26 +1,37 @@ use crate::app_state::database::models::VaultId; -use crate::{app_state::database::Transaction, utils::dedup_paths::dedup_paths}; -use anyhow::Result; -use log::{debug, info}; +use crate::utils::dedup_paths::dedup_paths; +use anyhow::{Result, bail}; +use log::info; +use sqlx::sqlite::SqliteConnection; + +const MAX_DEDUP_ATTEMPTS: usize = 100_000; pub async fn find_first_available_path( vault_id: &VaultId, sanitized_relative_path: &str, database: &crate::app_state::database::Database, - transaction: &mut Transaction<'_>, + connection: &mut SqliteConnection, ) -> Result { - info!("Finding first available path for `{sanitized_relative_path}` in vault `{vault_id}`"); - for candidate in dedup_paths(sanitized_relative_path) { - debug!("Checking candidate path for deconflicting names: `{candidate}`"); + for (attempt, candidate) in dedup_paths(sanitized_relative_path).enumerate() { + if attempt >= MAX_DEDUP_ATTEMPTS { + bail!( + "Could not find an available path after {MAX_DEDUP_ATTEMPTS} attempts for `{sanitized_relative_path}` in vault `{vault_id}`" + ); + } + if database - .get_latest_document_by_path(vault_id, &candidate, Some(transaction)) + .get_latest_non_deleted_document_by_path(vault_id, &candidate, Some(connection)) .await? .is_none() { info!("Selected available path: `{candidate}`"); return Ok(candidate); } + + info!( + "Finding first available path for `{sanitized_relative_path}` in vault `{vault_id}` as `{candidate}` is already taken" + ); } - unreachable!("dedup_paths produces infinite paths"); + bail!("dedup_paths iterator unexpectedly exhausted"); } diff --git a/sync-server/src/utils/is_binary.rs b/sync-server/src/utils/is_binary.rs index 09bfcf94..24ca5c1d 100644 --- a/sync-server/src/utils/is_binary.rs +++ b/sync-server/src/utils/is_binary.rs @@ -1,16 +1,12 @@ -/// Heuristically determine if the given data is a binary or a text file's -/// content. +use super::decode_text::decode_text; + +/// Determine if the given data is binary (not valid UTF-8). /// -/// Only text inputs can be reconciled using the crate's functions. +/// Clients transcode UTF-16 to UTF-8 at the read boundary, so the +/// server only ever receives UTF-8 text or binary content. #[must_use] pub fn is_binary(data: &[u8]) -> bool { - if data.contains(&0) { - // Even though the NUL character is valid in UTF-8, it's highly suspicious in - // human-readable text. - return true; - } - - std::str::from_utf8(data).is_err() + decode_text(data).is_none() } #[cfg(test)] @@ -19,8 +15,13 @@ mod tests { #[test] fn test_is_binary() { - assert!(is_binary(&[0, 159, 146, 150])); - assert!(is_binary(&[0, 12])); + assert!(is_binary(&[0x80, 0x81, 0x82])); assert!(!is_binary(b"hello")); } + + #[test] + fn test_nul_bytes_in_utf8_are_text() { + assert!(!is_binary(b"hello\x00world")); + assert!(!is_binary(&[0, 12])); + } } diff --git a/sync-server/src/utils/rotating_file_writer.rs b/sync-server/src/utils/rotating_file_writer.rs index f04f9ba9..1c5c86c5 100644 --- a/sync-server/src/utils/rotating_file_writer.rs +++ b/sync-server/src/utils/rotating_file_writer.rs @@ -6,7 +6,7 @@ use std::{ time::{Duration, SystemTime, UNIX_EPOCH}, }; -use chrono::{Local, NaiveDateTime}; +use chrono::NaiveDateTime; use tracing_subscriber::fmt::MakeWriter; #[derive(Clone)] @@ -55,7 +55,7 @@ impl RotatingFileWriter { let timestamp_str = filename.get(prefix_len..filename.len().checked_sub(4)?)?; let dt = NaiveDateTime::parse_from_str(timestamp_str, "%Y-%m-%d_%H-%M-%S").ok()?; - let timestamp = dt.and_local_timezone(Local).single()?; + let timestamp = dt.and_utc(); let secs: u64 = timestamp.timestamp().try_into().ok()?; Some(UNIX_EPOCH + Duration::from_secs(secs)) @@ -114,7 +114,7 @@ impl RotatingFileWriter { } fn rotate(inner: &mut RotatingFileWriterInner) -> io::Result<()> { - let timestamp = Local::now().format("%Y-%m-%d_%H-%M-%S"); + let timestamp = chrono::Utc::now().format("%Y-%m-%d_%H-%M-%S"); let filename = format!("{}.{}.log", inner.file_prefix, timestamp); let filepath = inner.directory.join(filename); @@ -132,8 +132,14 @@ impl RotatingFileWriter { impl Write for RotatingFileWriter { fn write(&mut self, buf: &[u8]) -> io::Result { - let mut inner = self.inner.lock().unwrap(); + let mut inner = self.inner.lock().unwrap_or_else(|poisoned| { + eprintln!("RotatingFileWriter mutex was poisoned, recovering"); + poisoned.into_inner() + }); + // Reset file handle after poison recovery so the next branch + // re-opens a valid file rather than writing to a potentially + // half-closed handle. if inner.current_file.is_none() { Self::open_or_create_log_file(&mut inner)?; } else if Self::should_rotate(&inner) { @@ -148,7 +154,10 @@ impl Write for RotatingFileWriter { } fn flush(&mut self) -> io::Result<()> { - let mut inner = self.inner.lock().unwrap(); + let mut inner = self.inner.lock().unwrap_or_else(|poisoned| { + eprintln!("RotatingFileWriter mutex was poisoned, recovering"); + poisoned.into_inner() + }); if let Some(ref mut file) = inner.current_file { file.flush() } else { @@ -267,7 +276,7 @@ mod tests { // Parse the expected time let expected_dt = NaiveDateTime::parse_from_str(timestamp_str, "%Y-%m-%d_%H-%M-%S").unwrap(); - let expected_timestamp = expected_dt.and_local_timezone(Local).single().unwrap(); + let expected_timestamp = expected_dt.and_utc(); let expected_duration = Duration::from_secs(expected_timestamp.timestamp().try_into().unwrap()); let expected_next = UNIX_EPOCH + expected_duration + rotation_duration; @@ -306,7 +315,7 @@ mod tests { // Should use the latest file (2025-10-26_14-00-00) let expected_dt = NaiveDateTime::parse_from_str("2025-10-26_14-00-00", "%Y-%m-%d_%H-%M-%S").unwrap(); - let expected_timestamp = expected_dt.and_local_timezone(Local).single().unwrap(); + let expected_timestamp = expected_dt.and_utc(); let expected_duration = Duration::from_secs(expected_timestamp.timestamp().try_into().unwrap()); let expected_next = UNIX_EPOCH + expected_duration + rotation_duration;