diff --git a/deno.json b/deno.json index 66ab063..af6240d 100644 --- a/deno.json +++ b/deno.json @@ -15,6 +15,8 @@ "build:tiles": "deno run -A tools/build-tiles.ts", "build:icons": "deno run -A tools/make-icons.ts", "dev": "deno task build:ui && deno run -A --watch main.ts", + "relay": "deno run -A relay/main.ts", + "test:sync": "deno run -A relay/test.ts && deno run -A src/sync/mls.test.ts && deno run -A src/sync/mls-transport.test.ts && deno run -A src/sync/atproto.test.ts && deno run -A src/sync/e2e.test.ts", "desktop": "deno task build:ui && deno desktop --hmr -A --include static --include vendor --include tiles --include build main.ts", "build": "deno task build:ui && deno desktop -A --include static --include vendor --include tiles --include build --icon build/icon-1024.png --output dist/Ziran.app main.ts && deno run -A tools/mac-bundle.ts dist/Ziran.app", "build:mac": "deno task build:ui && deno desktop -A --include static --include vendor --include tiles --include build --icon build/icon-1024.png --target aarch64-apple-darwin --output dist/Ziran-arm64.app main.ts && deno run -A tools/mac-bundle.ts dist/Ziran-arm64.app", @@ -22,13 +24,26 @@ "build:win": "deno task build:ui && deno desktop -A --include static --include vendor --include tiles --include build --icon build/icon.ico --target x86_64-pc-windows-msvc --output dist/Ziran.msi main.ts", "build:linux": "deno task build:ui && deno desktop -A --include static --include vendor --include tiles --include build --icon build/icon-1024.png --target x86_64-unknown-linux-gnu --output dist/Ziran.AppImage main.ts", "build:linux-arm": "deno task build:ui && deno desktop -A --include static --include vendor --include tiles --include build --icon build/icon-1024.png --target aarch64-unknown-linux-gnu --output dist/Ziran-arm64.AppImage main.ts", - "build:all": "deno task build:mac && deno task build:mac-intel && deno task build:win && deno task build:linux && deno task build:linux-arm" + "build:all": "deno task build:mac && deno task build:mac-intel && deno task build:win && deno task build:linux && deno task build:linux-arm", + "build:relay": "deno compile -A --target x86_64-unknown-linux-gnu -o deploy/relay/relay-linux-x64 relay/main.ts" }, "lint": { - "exclude": ["vendor/", "static/app.js", "dist/", "node_modules/", ".claude/", ".pi/"] + "exclude": [ + "vendor/", + "static/app.js", + "dist/", + "node_modules/", + ".claude/", + ".pi/" + ] }, "compilerOptions": { - "lib": ["deno.ns", "dom", "dom.iterable", "dom.asynciterable"], + "lib": [ + "deno.ns", + "dom", + "dom.iterable", + "dom.asynciterable" + ], "experimentalDecorators": true, "useDefineForClassFields": false }, @@ -45,6 +60,28 @@ "@atcute/cbor": "npm:@atcute/cbor@^2.3.5", "@atcute/car": "npm:@atcute/car@^6.0.2", "file-type": "npm:file-type@^22.0.1", - "mime": "npm:mime@^4.1.0" + "mime": "npm:mime@^4.1.0", + "ts-mls": "npm:ts-mls@^1.6.2", + "@noble/hashes": "npm:@noble/hashes@^1.8.0", + "@noble/curves/ed25519.js": "npm:@noble/curves@^2.2.0/ed25519.js", + "@noble/curves/nist.js": "npm:@noble/curves@^2.2.0/nist.js", + "@noble/curves/secp256k1.js": "npm:@noble/curves@^2.2.0/secp256k1.js", + "@scure/base": "npm:@scure/base@^2.0.0", + "@atproto/oauth-client-node": "npm:@atproto/oauth-client-node@^0.5.2", + "@atproto/api": "npm:@atproto/api@^0.17.0", + "yjs": "npm:yjs@^13.6.27", + "prosemirror-state": "npm:prosemirror-state@^1.4.3", + "prosemirror-view": "npm:prosemirror-view@^1.34.0", + "prosemirror-model": "npm:prosemirror-model@^1.22.0", + "prosemirror-transform": "npm:prosemirror-transform@^1.9.0", + "prosemirror-collab": "npm:prosemirror-collab@^1.3.1", + "prosemirror-history": "npm:prosemirror-history@^1.4.1", + "prosemirror-keymap": "npm:prosemirror-keymap@^1.2.2", + "prosemirror-commands": "npm:prosemirror-commands@^1.6.0", + "prosemirror-schema-basic": "npm:prosemirror-schema-basic@^1.2.3", + "prosemirror-schema-list": "npm:prosemirror-schema-list@^1.4.1", + "prosemirror-inputrules": "npm:prosemirror-inputrules@^1.4.0", + "prosemirror-dropcursor": "npm:prosemirror-dropcursor@^1.8.1", + "prosemirror-gapcursor": "npm:prosemirror-gapcursor@^1.3.2" } -} +} \ No newline at end of file diff --git a/deno.lock b/deno.lock index 8bb38c1..f4fb8a4 100644 --- a/deno.lock +++ b/deno.lock @@ -6,14 +6,34 @@ "npm:@atcute/car@^6.0.2": "6.0.2_@atcute+cbor@2.3.5__@atcute+cid@2.4.2_@atcute+cid@2.4.2", "npm:@atcute/cbor@^2.3.5": "2.3.5_@atcute+cid@2.4.2", "npm:@atcute/cid@^2.4.2": "2.4.2", + "npm:@atproto/api@0.17": "0.17.7", + "npm:@atproto/oauth-client-node@~0.5.2": "0.5.2", "npm:@dasl/tile-lexicon@2": "2.0.0", "npm:@dasl/tile-loader@2": "2.0.0_@atcute+cbor@2.3.5__@atcute+cid@2.4.2", "npm:@dasl/tile-server@2": "2.0.0", + "npm:@noble/curves@^2.2.0": "2.3.0", + "npm:@noble/hashes@^1.8.0": "1.8.0", + "npm:@scure/base@2": "2.2.0", "npm:@types/express@^5.0.6": "5.0.6", "npm:express@^5.2.1": "5.2.1", "npm:file-type@^22.0.1": "22.0.1", "npm:lit@^3.3.3": "3.3.3", - "npm:mime@^4.1.0": "4.1.0" 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"dependencies": [ + "prosemirror-state", + "prosemirror-transform", + "prosemirror-view" + ] + }, + "prosemirror-gapcursor@1.4.1": { + "integrity": "sha512-pMdYaEnjNMSwl11yjEGtgTmLkR08m/Vl+Jj443167p9eB3HVQKhYCc4gmHVDsLPODfZfjr/MmirsdyZziXbQKw==", + "dependencies": [ + "prosemirror-keymap", + "prosemirror-model", + "prosemirror-state", + "prosemirror-view" + ] + }, + "prosemirror-history@1.5.0": { + "integrity": "sha512-zlzTiH01eKA55UAf1MEjtssJeHnGxO0j4K4Dpx+gnmX9n+SHNlDqI2oO1Kv1iPN5B1dm5fsljCfqKF9nFL6HRg==", + "dependencies": [ + "prosemirror-state", + "prosemirror-transform", + "prosemirror-view", + "rope-sequence" + ] + }, + "prosemirror-inputrules@1.5.1": { + "integrity": "sha512-7wj4uMjKaXWAQ1CDgxNzNtR9AlsuwzHfdFH1ygEHA2KHF2DOEaXl1CJfNPAKCg9qNEh4rum975QLaCiQPyY6Fw==", + "dependencies": [ + "prosemirror-state", + "prosemirror-transform" + ] + }, + "prosemirror-keymap@1.2.3": { + "integrity": 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+ "prosemirror-transform", + "prosemirror-view" + ] + }, + "prosemirror-transform@1.12.0": { + "integrity": "sha512-GxboyN4AMIsoHNtz5uf2r2Ru551i5hWeCMD6E2Ib4Eogqoub0NflniaBPVQ4MrGE5yZ8JV9tUHg9qcZTTrcN4w==", + "dependencies": [ + "prosemirror-model" + ] + }, + "prosemirror-view@1.42.2": { + "integrity": "sha512-Pdg0l5kXm8aLDquFAnQFTCITg0q44sLqBlHlpsVLD9segdOao8TOfQdAhCrCXyVgPSRr6UDDROOIWA3bIrN9YQ==", + "dependencies": [ + "prosemirror-model", + "prosemirror-state", + "prosemirror-transform" + ] + }, "proxy-addr@2.0.7": { "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==", "dependencies": [ "forwarded", - "ipaddr.js" + "ipaddr.js@1.9.1" ] }, "qs@6.15.3": { @@ -529,6 +967,9 @@ "util-deprecate" ] }, + "rope-sequence@1.3.4": { + "integrity": "sha512-UT5EDe2cu2E/6O4igUr5PSFs23nvvukicWHx6GnOPlHAiiYbzNuCRQCuiUdHJQcqKalLKlrYJnjY0ySGsXNQXQ==" + }, "router@2.2.0": { "integrity": 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"zod@3.25.76": { + "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==" } }, "workspace": { @@ -674,13 +1163,33 @@ "npm:@atcute/car@^6.0.2", "npm:@atcute/cbor@^2.3.5", "npm:@atcute/cid@^2.4.2", + "npm:@atproto/api@0.17", + "npm:@atproto/oauth-client-node@~0.5.2", "npm:@dasl/tile-lexicon@2", "npm:@dasl/tile-loader@2", "npm:@dasl/tile-server@2", + "npm:@noble/curves@^2.2.0", + "npm:@noble/hashes@^1.8.0", + "npm:@scure/base@2", "npm:express@^5.2.1", "npm:file-type@^22.0.1", "npm:lit@^3.3.3", - "npm:mime@^4.1.0" + "npm:mime@^4.1.0", + "npm:prosemirror-collab@^1.3.1", + "npm:prosemirror-commands@^1.6.0", + "npm:prosemirror-dropcursor@^1.8.1", + "npm:prosemirror-gapcursor@^1.3.2", + "npm:prosemirror-history@^1.4.1", + "npm:prosemirror-inputrules@^1.4.0", + "npm:prosemirror-keymap@^1.2.2", + "npm:prosemirror-model@^1.22.0", + "npm:prosemirror-schema-basic@^1.2.3", + "npm:prosemirror-schema-list@^1.4.1", + "npm:prosemirror-state@^1.4.3", + "npm:prosemirror-transform@^1.9.0", + "npm:prosemirror-view@^1.34.0", + "npm:ts-mls@^1.6.2", + "npm:yjs@^13.6.27" ] } } diff --git a/deploy/relay/.gitignore b/deploy/relay/.gitignore new file mode 100644 index 0000000..4d8deed --- /dev/null +++ b/deploy/relay/.gitignore @@ -0,0 +1,2 @@ +relay-linux-x64 +.env diff --git a/deploy/relay/Dockerfile b/deploy/relay/Dockerfile new file mode 100644 index 0000000..af0751e --- /dev/null +++ b/deploy/relay/Dockerfile @@ -0,0 +1,15 @@ +# The ziran relay ships as a single cross-compiled Deno binary (built by +# `deno task build:relay` before `sm deploy` — see README.md here). The image +# is just a thin glibc base around it; no toolchain, no repo sources. +FROM debian:bookworm-slim +RUN useradd --system --home /data ziran +COPY relay-linux-x64 /usr/local/bin/ziran-relay +RUN chmod +x /usr/local/bin/ziran-relay +USER ziran +ENV ZIRAN_RELAY_HOST=0.0.0.0 \ + ZIRAN_RELAY_PORT=4190 \ + ZIRAN_RELAY_DATA=/data \ + ZIRAN_RELAY_DID=did:web:relay.ziran.space \ + ZIRAN_RELAY_DEV_AUTH=off +EXPOSE 4190 +CMD ["ziran-relay"] diff --git a/deploy/relay/README.md b/deploy/relay/README.md new file mode 100644 index 0000000..5cc8f36 --- /dev/null +++ b/deploy/relay/README.md @@ -0,0 +1,26 @@ +# ziran-relay — sm service + +The hosted relay for Ziran live sessions (`wss://relay.ziran.space/ws`), run +behind the supramundane Caddy front. + +Deploy: + +```sh +deno task build:relay # cross-compiles the relay → deploy/relay/relay-linux-x64 +cd deploy/relay +sm deploy # or: sm deploy --local (serves relay.ziran.bast) +``` + +Notes: + +- **No secrets.** Production auth is atproto service-auth: the relay verifies + each caller's ~60s JWT against their public DID document. Dev HMAC tokens + are disabled via `ZIRAN_RELAY_DEV_AUTH=off` (set in the Dockerfile). If an + override is ever needed, put it in an uncommitted `.env` here — compose + loads it when present. +- The binary is a build artifact (gitignored); rebuild it before every + deploy so the image matches the repo. +- State lives in the shared sm data root (`…/data/ziran-relay`), so the + standard backups cover it. +- `https://relay.ziran.space/.well-known/did.json` is served by the relay + itself, making `did:web:relay.ziran.space` resolvable. diff --git a/deploy/relay/compose.yaml b/deploy/relay/compose.yaml new file mode 100644 index 0000000..7b2c688 --- /dev/null +++ b/deploy/relay/compose.yaml @@ -0,0 +1,20 @@ +services: + ziran-relay: + build: . + restart: unless-stopped + container_name: ziran-relay + # No secrets: production auth is atproto service-auth, verified against + # public DID documents. Overrides (if ever needed) belong in an + # uncommitted .env on the server, never in the repo. + env_file: + - path: .env + required: false + volumes: + - ${SM_DATA_ROOT:-/srv/supramundane/data}/ziran-relay:/data + networks: + - default + +networks: + default: + name: supramundane + external: true diff --git a/deploy/relay/service.json b/deploy/relay/service.json new file mode 100644 index 0000000..d93d516 --- /dev/null +++ b/deploy/relay/service.json @@ -0,0 +1,11 @@ +{ + "name": "ziran-relay", + "type": "node", + "domains": { + "local": ["relay.ziran.bast"], + "prod": ["relay.ziran.space"] + }, + "headers": true, + "upstreamPort": 4190, + "data": true +} diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md index 17d3803..f07cf31 100644 --- a/docs/ARCHITECTURE.md +++ b/docs/ARCHITECTURE.md @@ -111,16 +111,17 @@ stored bounds exist. App + document icons are generated by `tools/make-icons.ts` (headless-Chrome rasterization of the brand SVGs; Windows .ico is a PNG-embedded single-image -wrapper). `.tile` / `application/web-tile` association: on macOS, -`tools/mac-bundle.ts` post-processes the built .app (CFBundleDocumentTypes + -UTExportedTypeDeclarations for UTI `ing.dasl.tile`, document icns via -sips/iconutil, lsregister) — wired into the `build`/`build:mac*` tasks; on -Windows/Linux, `src/server/register.ts` registers at first run (HKCU registry -/ XDG mime + desktop entry). File paths passed on the command line open at -boot. Known gap: macOS Finder open-events (Apple Events) don't reach -`Deno.args`; opening a .tile from Finder while ziran runs needs runtime -support Deno desktop doesn't expose yet. `deno task build:all` chains every -platform target. +wrapper). `.tile` / `application/web-tile` association + the `ziran://` URL +scheme: on macOS, `tools/mac-bundle.ts` post-processes the built .app +(CFBundleDocumentTypes + UTExportedTypeDeclarations for UTI `ing.dasl.tile`, +CFBundleURLTypes for `ziran://`, document icns via sips/iconutil, lsregister) +— wired into the `build`/`build:mac*` tasks; on Windows/Linux, +`src/server/register.ts` registers at first run (HKCU registry / XDG mime + +desktop entry + x-scheme-handler). File paths and `ziran://invite/` +links passed on the command line are handled at boot. Known gap: macOS +Finder/browser open-events (Apple Events) don't reach `Deno.args`; opening a +.tile or deep link while ziran runs needs runtime support Deno desktop +doesn't expose yet. `deno task build:all` chains every platform target. Documents and models carry real tile metadata — name, icon (served from the tile's own resources via `/api/docs/:id/icon`, surfaced in recents, models, @@ -128,9 +129,87 @@ window bars, and tabs), model provenance, verified/damaged state. `zn-doc-canvas` is the tile frame (shuttle iframe) with skeleton/damaged states wired to real load/verify. -**Deferred (stubs kept honest in UI):** live sync (CRDT), Atmosphere publish, -accounts/OAuth. The connections panel shows tile facts (CID, verified, model) -and disables the rest with "arrives with sync". +## Starter tiles (tiles/) + +Five collaborative starters, each demonstrating a different sync shape; all +built by `deno task build:tiles` (which first vendors third-party bundles +into the tiles that use them — tiles are self-contained) and seeded per +model id, so new starters reach existing profiles: + +- **note** — solo self-saving text (the original demo). +- **checklist** — idempotent ops over the ordered echo; no CRDT needed. +- **tictactoe** — document-defined roles end to end: manifest declares + `x` (owner/admin), `o` (write, max 1), `watcher` (read, sees players); + the tile enforces turn/legality deterministically (attribution is + runtime-attested), the relay enforces write/caps. +- **livetext** — the tile picks Yjs as its CRDT (vendored ~91 KB); + updates ride the durable log, cursor presence rides the ephemeral lane + (mirror-div rendering, relative positions preserve the local caret). +- **richtext** — ProseMirror (~230 KB vendored) with the ordered log as + collab authority: steps-ops are valid iff their base version matches at + arrival (deterministic accept/ignore under total order; rejected senders + rebase via prosemirror-collab and resend). Toolbar, comments (marks + + synced threads), suggestion mode (insertions marked by an + appendTransaction pass, deletions by keymap; accept/reject in the + sidebar), images as data URLs, remote selections/carets. On first share + (`ready` at version 0) it rebases pending solo steps into the baseline so + the snapshot and log never double-apply. + +Hard-won invariant from these: **MlsGroup serializes every state-advancing +op through one promise chain** — concurrent encrypts would reuse a ratchet +generation (nonce reuse; receivers drop the frames). Rapid per-keystroke +sends surfaced this. + +## Collaboration (E2EE live sessions) + +Full design in `docs/SYNC-DESIGN.md`; research in `docs/SYNC-OPTIONS.md`. + +- **Relay** (`relay/`): standalone dumb Delivery Service — per-document + server-ordered log, ephemeral presence lane, snapshot blob, `inbox/` + invitation mailboxes, KeyPackage directory (stand-in for PDS records), and + the `/i/` share-link landing page. Enforces only write-permission, + membership/caps, and per-role presence visibility from the document's + declared roles; payloads are opaque MLS ciphertext. `deno task relay`, or + the app embeds one on :4190 when `ZIRAN_RELAY` is unset (a second local + instance joins the first's — same-machine collaboration works out of the + box). +- **Crypto** (`src/sync/mls.ts`): ts-mls behind a narrow façade; MLS runs in + the Deno process only. `src/sync/mls-transport.ts` wraps the plaintext + relay client so the relay never sees plaintext; group state persists under + app-data `sync/groups/` (debounced after every ratchet advance). +- **Runtime** (`src/server/sync.ts`): SyncManager owns identity (dev DID in + `sync/identity.json`; `ZIRAN_DID`/`ZIRAN_HANDLE` override — the AT-sign-in + swap point), the shared-doc registry (`sync/docs.json`, localId↔syncId), + live sessions with per-tile replay buffers, invitations, and snapshots: + the tile's own `putData` persistence doubles as the catch-up snapshot + (`ackedSeq` advances on write, snapshot uploads after). +- **Tile protocol** (`vendor/web-tiles/sync.js`): send/onMessage (attributed, + server-ordered, dupes dropped), sendEphemeral/onEphemeral, roster/me. No + membership surface, by construction. The UI bridges frames between tp-data + and the backend (`src/ui/data-protocol.ts` ↔ `/api/docs/:id/sync/*`). +- **UI**: connections panel "Live Session" section (go live, roster, invite + by DID + role), invitation strip in the base window (Accept = download → + verify → open → join), live badge + member count in the doc banner/chip. +- **Tests**: `deno task test:sync` (relay 18, MLS 15, E2EE transport 9, + two-runtime API e2e 20); full-browser two-user flow in the scratchpad + harness (`ziran-sync-ui.mjs`, 13 checks incl. tile-to-tile round-trips). + +- **AT identity** (`src/sync/atproto.ts`, `src/server/atsession.ts`): sign in + with an AT handle via atproto OAuth (loopback client; `/oauth/callback`; + sessions in app-data). Signed in, relay tokens are service-auth JWTs + minted at the user's PDS and verified by the relay against their DID + document (`AtprotoVerifier`; dev HMAC tokens remain accepted unless + `ZIRAN_RELAY_DEV_AUTH=off`); MLS KeyPackages publish to the user's own + repo (`space.ziran.keypackage`) with the relay directory as fallback; + invites take `@handle` or DID. Signed out, a local dev identity keeps + everything working. Tests: `src/sync/atproto.test.ts` (offline, all three + curves + relay door); live PAR against bsky.social verified. + +**Deferred:** kick/role-change UI, presence lanes in tiles, log compaction, +relay reconnect, KeyPackage pools (consumed-once), Atmosphere publish. Known +dev gap: dev-identity KeyPackages are per-run, so invitations to a dev +identity need the invitee's app running since its last restart (PDS records +fix this for signed-in users). Build: `deno bundle --platform browser` → `static/app.js`; CSS linked from `static/index.html`. Vite/package.json remain for browser-only UI iteration diff --git a/docs/DEPLOY.md b/docs/DEPLOY.md new file mode 100644 index 0000000..57ca8cb --- /dev/null +++ b/docs/DEPLOY.md @@ -0,0 +1,54 @@ +# Deploying ziran.space + +Two `sm` services live in this repo, both designed to carry **no secrets**: + +| Service | Directory | Domain | What it is | +|---|---|---|---| +| `ziran-web` | `website/` | ziran.space (+ www) | Static landing page (Caddy file_server) | +| `ziran-relay` | `deploy/relay/` | relay.ziran.space | The collaboration relay (compiled Deno binary) | + +## Website + +```sh +cd website +sm deploy # or --local → https://ziran.bast +``` + +Self-contained single page in `website/site/`; no build step, no fonts, no +trackers. The internal Caddyfile canonicalizes www → apex and redirects +`/i/` share links to the relay, so invite links can be written against +the bare domain. + +## Relay + +```sh +deno task build:relay # cross-compiles → deploy/relay/relay-linux-x64 +cd deploy/relay +sm deploy +``` + +- **No secrets anywhere.** Production auth is atproto **service-auth**: each + caller presents a ~60s JWT minted by their own PDS, and the relay verifies + it against their public DID document. `ZIRAN_RELAY_DEV_AUTH=off` (set in + the Dockerfile) disables the dev HMAC path entirely. If an override is ever + needed, it goes in an uncommitted `deploy/relay/.env` on the operator's + machine — compose loads it only when present. +- The binary is gitignored; rebuild before each deploy. +- Relay state (logs, snapshots, inboxes, keypackages) lands in the shared sm + data root under `ziran-relay/`, covered by the standard backups. +- `did:web:relay.ziran.space` resolves because the relay serves its own + `/.well-known/did.json`. +- Caddy proxies WebSockets transparently; clients connect to + `wss://relay.ziran.space/ws`. + +## Pointing the app at production + +The app defaults to a local embedded relay for development. To use the hosted +relay: + +```sh +ZIRAN_RELAY=wss://relay.ziran.space/ws deno task desktop +``` + +(Making the hosted relay the packaged-build default is a release-time switch — +one constant — deliberately not flipped while everything is pre-release.) diff --git a/docs/SYNC-DESIGN.md b/docs/SYNC-DESIGN.md new file mode 100644 index 0000000..0109ea0 --- /dev/null +++ b/docs/SYNC-DESIGN.md @@ -0,0 +1,254 @@ +# Ziran Collaboration — Design & Build Plan + +Decisions confirmed by Robin, 2026-08-06. Chosen direction: **Option C** +(relay substrate + MLS E2EE). See SYNC-OPTIONS.md for the research behind it. + +## Confirmed decisions + +- **Relay**: one relay at `ziran.space`, single-tenant. Federation and + per-document relay selection are deliberately deferred. +- **Roles**: open-ended. The document/tile defines role names and semantics + and enforces what a role *means*; the runtime + relay enforce only the two + primitives they can: **write-permission per role** and **membership** + (who is in, with which role, caps). A chess tile decides that `opponent` + may move and `watcher` may not by rejecting bad messages — it can, because + attribution is trustworthy. +- **Invitation privacy**: relay-only. No breadcrumb record in the inviter's + PDS (that would leak "X invited someone to something"). Invitations live on + the relay and reach the invitee through their relay inbox + share links. +- **Presence**: per-role. The roster and presence lane are filtered by role — + e.g. a chess watcher does not necessarily see other watchers; the document + declares presence visibility per role. +- **Late-join history**: snapshot-based, and **tiles are not forced to do + anything sync-specific** (see below). +- **Iroh**: adopt later as an optional live-session fast path, not in phase 1. + +## The snapshot story (why tiles aren't forced to snapshot) + +A synced tile already persists its authoritative state through the existing +`store.js` self-storage — the same `putData` it uses for local reload/offline. +The runtime treats that persisted state as the document snapshot: + +1. The tile edits and, as always, persists its state to self-storage. +2. On a membership change (new MLS epoch) — or periodically for compaction — + the runtime captures the current tile bytes, tags them with the log + sequence number they reflect (`atSeq`), encrypts them under the current + group key, and uploads them as the catch-up blob. +3. A new member downloads + decrypts the snapshot, loads it, then replays the + short delta tail (`> atSeq`) from the relay log. + +This works for CRDTs (snapshot = current merge, ops apply on top) and for +ordered-state tiles alike (chess: snapshot = moves so far). No special tile +API, no forced snapshot call — snapshotting is a side effect of normal +persistence. The one case needing full-log replay is a tile that syncs but +**never** persists; for that we fall back to bounded replay from the current +epoch start. tp-sync's contract therefore *encourages* persistence for good +late-join without mandating a snapshot method. + +Under MLS this is not just an optimization but a necessity: forward secrecy +means a new member cannot decrypt pre-join messages, so they must receive a +fresh snapshot encrypted under the current epoch key. The mechanism above is +exactly the RFC 9750-sanctioned pattern. + +## The invariant core (transport-independent) + +### tp-sync — the tile-facing protocol + +Served on tile origins next to `store.js`/`data.js`. The tile imports it and +gets an opaque, attributed, ordered channel — it never learns *how* messages +travel: + +```js +import { sync } from '/.well-known/web-tiles/sync.js'; +sync.send(bytes); // append to the persisted, ordered log +sync.onMessage(({author, role, seq, bytes}) => …); // attributed + ordered +sync.sendEphemeral(bytes); // presence lane; fanned out, never stored +sync.onEphemeral(({author, role, bytes}) => …); +sync.roster(); // [{did, handle, role}], role-filtered +sync.onRoster(list => …); +sync.me(); // {did, handle, role} +``` + +**No membership-mutation surface exists in the tile API, by construction.** +Invitations, role assignment, and kicks live only in the runtime chrome +(the connections panel). Tiles can't grant themselves or others rights. + +### SyncTransport — the runtime seam + +The runtime programs against one interface so the relay (phase 1), MLS +(phase 2), and a possible Iroh fast path or Matrix adapter (later) are all +swappable: + +```ts +interface SyncTransport { + join(docId, opts): Promise; // attach to a document's channel + // Session: append(bytes), onMessage, ephemeral(bytes), onEphemeral, + // roster(), onRoster, snapshot(bytes, atSeq), leave() + invite(docId, inviteeDid, role): Promise; + inbox(): AsyncIterable; // standing subscription for this DID + accept(invitation): Promise<{snapshot, atSeq}>; // download-then-sync + fetchSnapshot(docId): Promise<{bytes, atSeq} | null>; +} +``` + +### Rights: two tiers, enforcement point designed to migrate + +- **Tier 1 (phase 1, ships first): relay-enforced.** The document manifest + declares `sync.roles`; the relay checks every append against the writer's + role and enforces membership/caps. Trusts the relay operator. +- **Tier 2 (phase 3, research-gated): cryptographic.** Ink & Switch Keyhive — + capabilities/membership as CRDTs, revocation without coordination, relay + can neither read nor forge. Pre-production; we keep the role model mappable + onto it and don't ship on it yet. + +MLS (phase 2) sits between: server ACL governs *write*, cryptographic group +membership governs *read* (relay can't decrypt). + +### Invitations + +Relay-only delivery, three surfaces: +- **In-Ziran inbox**: each runtime keeps a standing relay subscription to + `inbox/`; invitations appear in the base window. The inbox is the + rendezvous — a reason the single relay exists. +- **Link**: `https://ziran.space/i/` → landing page → `ziran://invite/ + ` deep link (sibling of the file-type registration already shipped), + with a download path for non-users. +- **Later**: any channel (Germ DM, email) just carries the same link. + +Accept = **download, verify, then sync**: fetch the snapshot blob, verify CIDs +with the existing engine, write into `documents/`, open, join, replay tail. + +## Build status (implemented + verified) + +- **Phase 1a DONE** — `vendor/web-tiles/sync.js` (tp-sync), `src/sync/protocol.ts` + (SyncTransport + relay wire types), `relay/` (the service). 18/18 relay + tests (`deno run -A relay/test.ts`). +- **Phase 2 crypto DONE** — `src/sync/mls.ts` (the ts-mls façade: AES-128-GCM + suite, ratchet-tree-in-Welcome, epoch/forward-secrecy, serialize/restore). + 15/15 (`deno run -A src/sync/mls.test.ts`), incl. 2 MiB payload in ~58 ms. +- **Phase 2 transport DONE** — `src/sync/relay-client.ts` (`RelaySyncTransport`, + the plaintext base) + `src/sync/mls-transport.ts` (`MlsSyncTransport`, + wrapping it with group encryption; `KeyPackageDirectory` seam, in-memory impl + for now / PDS later). 9/9 (`deno run -A src/sync/mls-transport.test.ts`), + proving members exchange decryptable messages, late joiners catch up from an + **encrypted** snapshot, and **the relay's stored log + snapshot are + ciphertext only** — no plaintext leaks. +- **Phase 1b DONE** — the app-facing wiring: `src/server/sync.ts` + (SyncManager: identity, registry, live sessions, replay buffers, + snapshot-on-persist), sync routes in `src/server/api.ts`, the UI bridge + (`src/ui/data-protocol.ts` ziranSync ↔ backend), connections-panel "Live + Session" section, invitation strip in the base window, live badge in the + doc banner + chip count, `ziran://` scheme registration (all three + platforms) + relay landing page, embedded relay for out-of-the-box dev, + and the collaborative checklist tile (idempotent ops over the ordered + echo — no CRDT needed, by design). Verified by `deno task test:sync` + (62 checks: relay 18, MLS 15, transport 9, two-runtime e2e 20) plus a + full-browser two-user harness run (13 checks: tile-to-tile round trips, + UI accept flow, ciphertext-only relay). +- **AT sign-in DONE** — the real identity layer: + - `src/sync/atproto.ts`: handle/DID resolution (backlink-verified), + Multikey, service-auth JWT mint/verify — lifted from matey's SDK-free + client modules, fetch-injectable, offline-tested on all three curves + (`src/sync/atproto.test.ts`, 17 checks). + - Relay door: `AtprotoVerifier` validates service-auth JWTs + (aud = `ZIRAN_RELAY_DID`, default `did:web:relay.ziran.space`; lxm + `space.ziran.sync.connect`) by resolving the issuer's DID document; + `CompositeVerifier` routes by token shape (3 segments → atproto JWT, + 2 → dev HMAC; disable dev with `ZIRAN_RELAY_DEV_AUTH=off`). + - App sign-in: `src/server/atsession.ts` — atproto OAuth loopback client + (`@atproto/oauth-client-node` under Deno; pass `fetch` + + `handleResolver` explicitly or the Node-only SSRF wrapper throws), + sessions persisted in app-data, `/oauth/callback` outside the API key + gate (state-validated), `/api/at/signin|signout`. Verified live: PAR + against bsky.social succeeds and returns a real authorize URL. Signed + in, relay tokens come from `getServiceAuth` at the user's PDS; the + KeyPackage publishes to their repo (`space.ziran.keypackage`, rkey self) + AND the relay (fallback for dev identities); fetch prefers the PDS. + - Identity switching: SyncManager rebuilds the transport on + sign-in/sign-out; docs shared under the previous identity fail rejoin + with a warning (membership is per-DID, by design). + - Invites accept `@handle` or DID (resolution + backlink verification). + - UI: sign-in button + popover in the base banner; signed-in chip shows + the handle with a sign-out popover. + - Untested end-to-end: the human consent + callback exchange (needs a + real sign-in — everything up to and including PAR is verified). +- **Deferred** — kick/role-change UI; concurrent-committer handling (single + admin inviter); high-frequency presence via an exporter-derived epoch key + (currently encrypted as MLS app messages — fine at low volume); log + compaction; relay reconnect/backoff; KeyPackage *pools* (consumed-once + semantics; the single `self` record tolerates reuse by construction, per + the Germ pattern). + +## Phased build (original plan) + +- **Phase 1a — foundation:** tp-sync protocol + host bridge; SyncTransport + interface; the **ziran relay** service (per-doc ordered log over WS, snapshot + blob store, `inbox/` mailboxes, atproto service-auth at the door, + open-ended-role ACL). Relay independently tested. +- **Phase 1b — runtime + UX:** wire SyncTransport → relay; invitation + create/accept UI in the connections panel; `ziran://` scheme + landing + page; upgrade the note tile (and add a second collaborative tile) to prove + it; verify two-context editing + late join. +- **Phase 2 — MLS E2EE:** group encryption over the substrate. + - **Library: `ts-mls`** (`npm:ts-mls@1.6.2`; add `@noble/hashes` + explicitly under Deno). Pure TypeScript, WebCrypto-only, RFC 9420, + interop-tested against OpenMLS via the mlswg harness, and *verified + running under Deno 2.9.2* (created a group, add-committed, joined via + Welcome, round-tripped a 5 MiB payload in ~122 ms with ~145 bytes + overhead). It bundles through `deno desktop` with **no native + artifacts** — the decisive advantage over WASM/FFI/sidecar paths. + Unaudited: isolate it behind a narrow `encrypt/decrypt/commit/welcome` + interface so the engine is swappable, and budget an independent review + before GA. Fallback if the audit gap bites: a self-built wasm-bindgen + wrapper over `mls-rs` + `mls-rs-crypto-webcrypto` (single artifact all + targets) or OpenMLS once `openmls-wasm` graduates. + - **MLS runs host-side only** — in the Deno runtime process. The CEF UI + sees only plaintext + membership events; tile iframes never see keys or + ciphertext framing. + - **Relay = Delivery Service** (RFC 9750 confirms the reduced scope): our + server-ordered log already provides the hard part (total order), so the + DS duties collapse to: KeyPackage directory (delegated to the PDS, see + below), **one-commit-per-epoch** (check the MLS epoch on append, reject + losers), Welcome routed to the invitee's inbox mailbox, ciphertext + fan-out. Smallest reference: OpenMLS's `delivery-service` PoC. + - **KeyPackage-in-PDS (Germ pattern):** publish a ziran NSID record + (`space.ziran.declaration` / a keypackage collection) in each user's own + repo — an anchor key bound to the DID plus MLS KeyPackage bytes signed + by it; fetch an invitee's package by resolving their DID → PDS → + `getRecord`. **Consumed-once is not enforceable** by a reader (they + can't delete another's record), so — exactly as Germ does — the protocol + must tolerate KeyPackage reuse by construction (a published package only + admits a contact into a first-contact group with a delegated agent; + real sessions get fresh per-session keys). Rotation = overwrite the + record; consumers switch keys on seeing a newer repo revision. + - **Late join under MLS** is our snapshot story, and it *is* the RFC 9750 + standard: forward secrecy makes pre-join ciphertext undecryptable by + design, so after the add-commit lands a current member sends the fresh + tile snapshot as an ordinary application message in the new epoch; the + joiner applies snapshot + tail. No forced tile snapshot beyond normal + persistence. Snapshots need no chunking below ~1 GiB (MLS field cap); + 5 MiB is a non-issue per the measurement above. + - **Membership ↔ ACL lockstep:** the relay's Tier-1 ACL (who may write) + and the MLS group (who may read) must be mutated together — an accept + adds both a relay member and an MLS add-commit; a kick removes both. + This is the one genuinely new invariant Phase 2 introduces. +- **Phase 3 — cryptographic rights (Keyhive):** research-gated; only when it + reaches usable maturity. +- **Later:** Iroh live fast path; Matrix adapter (matey) if interop is wanted. + +## Sequencing note + +Option C is "B + MLS": the relay/log/inbox/blob substrate must exist before +any encryption layer, and plaintext-first is testable-first. Phase 1 builds +that substrate correctly, with the seams MLS needs; Phase 2 adds encryption +without changing the substrate's shape. + +## Identity & auth (reused, not reinvented) + +- atproto OAuth (`@atproto/oauth-client-node`, desktop backend flow) for + sign-in. +- Per-connection **service-auth JWT** (`com.atproto.server.getServiceAuth`: + ~60s, signed by the user's DID key) verified by the relay by resolving the + DID document — zero shared secret. Roomy's production pattern. +- matey's SDK-free `@matey/client` identity modules (handle/DID resolution, + verification, multikey/JWS) are directly liftable and transport-agnostic. diff --git a/docs/SYNC-OPTIONS.md b/docs/SYNC-OPTIONS.md index 2185008..091bda3 100644 --- a/docs/SYNC-OPTIONS.md +++ b/docs/SYNC-OPTIONS.md @@ -84,7 +84,7 @@ deltas; a counter sends `{delta: 1}`. the base window (a natural fourth region or a banner). This is why a default relay must exist even for P2P-flavored futures: *the inbox is the rendezvous.* - - **Link**: `https://ziran.ing/i/` → web page that deep-links into + - **Link**: `https://ziran.space/i/` → web page that deep-links into the app (`ziran://invite/` — URL-scheme registration is the sibling of the file-type registration we already do) with a download button for non-users. The link carries the invitation token, so it diff --git a/main.ts b/main.ts index 63c71c1..bd7bc69 100644 --- a/main.ts +++ b/main.ts @@ -5,16 +5,26 @@ // with plain `deno run -A main.ts` and it binds 127.0.0.1:4180 for a regular // browser instead. +import { join } from '@std/path'; import { createHandler } from './src/server/api.ts'; import { ZiranStore } from './src/server/store.ts'; +import { SyncManager } from './src/server/sync.ts'; import { startTileServer } from './src/server/tileserver.ts'; import { hasDesktopWindows, openDocWindow, setupMainWindow } from './src/server/windows.ts'; +import { appDataDir } from './src/server/paths.ts'; const store = new ZiranStore(); await store.load(); store.desktop = hasDesktopWindows(); if (store.desktop) store.openOsWindow = openDocWindow; +const sync = new SyncManager(store); +store.syncSummary = () => sync.summary(); +store.onDocMoved = (oldId, newId, newPath) => sync.moved(oldId, newId, newPath); + +const { AtSession } = await import('./src/server/atsession.ts'); +const at = new AtSession(); + // Launch-time bearer token: 127.0.0.1 is reachable by every local process, // so the API only answers requests carrying this key. It reaches the UI // exclusively through the URLs we navigate our own windows to. @@ -22,7 +32,7 @@ if (store.desktop) store.openOsWindow = openDocWindow; store.apiKey = Deno.env.get('ZIRAN_KEY') ?? [...crypto.getRandomValues(new Uint8Array(32))].map((b) => b.toString(16).padStart(2, '0')).join(''); -const handler = createHandler(store); +const handler = createHandler(store, sync, at); // Bind the main server before ANY other listener: under deno desktop the // runtime probes a free port for DENO_SERVE_ADDRESS and releases it, so a @@ -47,6 +57,37 @@ store.tileServerPort = await startTileServer(); store.broadcast(); console.log(`tile server on http://load.localhost:${store.tileServerPort}/`); +// Collaboration relay. ZIRAN_RELAY points at the hosted relay (ziran.space); +// unset, a local embedded relay makes solo dev work out of the box — and if +// another Ziran instance already runs one on this machine, we join it, which +// gives magical same-machine two-instance collaboration. +const relayUrl = await (async () => { + const configured = Deno.env.get('ZIRAN_RELAY'); + if (configured) return configured; + const port = 4190; + try { + const { startRelay } = await import('./relay/main.ts'); + const { DevVerifier } = await import('./relay/auth.ts'); + await startRelay({ + port, + dataDir: join(appDataDir(), 'relay'), + verifier: new DevVerifier(Deno.env.get('ZIRAN_RELAY_SECRET') ?? 'dev-secret'), + }); + console.log(`embedded relay on ws://127.0.0.1:${port}/ws`); + } catch { + console.log(`joining existing local relay on ws://127.0.0.1:${port}/ws`); + } + return `ws://127.0.0.1:${port}/ws`; +})(); +// AT sign-in restores any previous session before sync connects, so the +// relay handshake uses the real identity when there is one. +try { + await at.init(port); +} catch (err) { + console.warn('AT sign-in unavailable:', (err as Error).message); +} +sync.init(relayUrl, at).catch((err) => console.warn('sync init failed:', (err as Error).message)); + setupMainWindow({ onClosed: (winId) => { if (winId !== 'main') store.closeWindow(winId); @@ -75,9 +116,21 @@ if (store.desktop) { registerFileTypes(); } -// Files passed on the command line (file associations invoke us this way on -// Windows/Linux; macOS open-events are a known gap — see ARCHITECTURE.md). +// Files and ziran:// links passed on the command line (file/URL associations +// invoke us this way on Windows/Linux; macOS open-events are a known gap — +// see ARCHITECTURE.md). for (const arg of Deno.args) { + const invite = arg.match(/^ziran:\/\/invite\/([0-9a-f]+)$/); + if (invite) { + // Accept = download first, verify, then join the live session. + sync.accept(invite[1]!) + .then(async ({ path }) => { + const info = await store.openPath(path); + store.createWindow([info.id]); + }) + .catch((err) => console.warn('could not accept invitation:', (err as Error).message)); + continue; + } if (!arg.endsWith('.tile')) continue; try { const info = await store.openPath(await Deno.realPath(arg)); diff --git a/relay/acl.ts b/relay/acl.ts new file mode 100644 index 0000000..bbca670 --- /dev/null +++ b/relay/acl.ts @@ -0,0 +1,37 @@ +// The relay's two enforceable primitives: write-permission per role, and +// membership (including caps and admin rights). Role *names* and their +// meaning are open-ended and belong to the tile; the relay only checks the +// capabilities the manifest declares. + +import type { Member, RoleSpec, SyncManifest } from '../src/sync/protocol.ts'; + +function spec(manifest: SyncManifest, role: string): RoleSpec { + return manifest.roles[role] ?? {}; +} + +export function canWrite(manifest: SyncManifest, role: string): boolean { + return spec(manifest, role).write === true; +} + +export function canPresence(manifest: SyncManifest, role: string): boolean { + return spec(manifest, role).presence !== false; // presence on by default +} + +export function isAdmin(manifest: SyncManifest, role: string): boolean { + return spec(manifest, role).admin === true; +} + +/** Whether adding another member with `role` would exceed the role's cap. */ +export function capReached(manifest: SyncManifest, members: Member[], role: string): boolean { + const max = spec(manifest, role).max; + if (typeof max !== 'number') return false; + return members.filter((m) => m.role === role).length >= max; +} + +/** The roster `viewer` is allowed to see, honoring per-role `seesRoles`. */ +export function visibleRoster(manifest: SyncManifest, members: Member[], viewer: Member): Member[] { + const sees = spec(manifest, viewer.role).seesRoles; + if (!sees) return members; + const allowed = new Set(sees); + return members.filter((m) => m.did === viewer.did || allowed.has(m.role)); +} diff --git a/relay/auth.ts b/relay/auth.ts new file mode 100644 index 0000000..bdf80c0 --- /dev/null +++ b/relay/auth.ts @@ -0,0 +1,117 @@ +// Who is allowed to connect. The relay verifies a bearer token at the door +// and learns the caller's DID — nothing else. +// +// Two token kinds, routed by shape: +// - AtprotoVerifier: a service-auth JWT (3 segments) minted by the caller's +// PDS (`com.atproto.server.getServiceAuth`), verified by resolving the +// issuer's DID document — zero shared secret. The production door. +// - DevVerifier: an HMAC token (2 segments) for dev identities and tests. +// Disable with ZIRAN_RELAY_DEV_AUTH=off in production. + +import { type DidDocument, resolveDidDocument, verifyServiceAuthJwt } from '../src/sync/atproto.ts'; + +export interface Verifier { + /** Return the caller's DID, or null if the token is invalid/expired. */ + verify(token: string): Promise; +} + +/** The lxm (method binding) ziran service-auth tokens are minted for. */ +export const RELAY_LXM = 'space.ziran.sync.connect'; + +/** Validates atproto service-auth JWTs addressed to this relay's DID. */ +export class AtprotoVerifier implements Verifier { + #cache = new Map(); + + constructor( + private relayDid: string, + private resolve: (did: string) => Promise = (did) => resolveDidDocument(did), + private cacheTtlMs = 5 * 60_000, + ) {} + + async verify(token: string): Promise { + try { + return await verifyServiceAuthJwt(token, { + aud: this.relayDid, + lxm: RELAY_LXM, + resolveDid: async (did) => { + const hit = this.#cache.get(did); + if (hit && Date.now() - hit.at < this.cacheTtlMs) return hit.doc; + const doc = await this.resolve(did); + this.#cache.set(did, { doc, at: Date.now() }); + return doc; + }, + }); + } catch { + return null; + } + } +} + +/** Routes by token shape: 3 segments → atproto JWT, 2 → dev HMAC. */ +export class CompositeVerifier implements Verifier { + constructor(private atproto: AtprotoVerifier, private dev?: DevVerifier) {} + + verify(token: string): Promise { + const segments = token.split('.').length; + if (segments === 3) return this.atproto.verify(token); + if (segments === 2 && this.dev) return this.dev.verify(token); + return Promise.resolve(null); + } +} + +const enc = new TextEncoder(); + +function b64url(bytes: Uint8Array): string { + let s = ''; + for (const b of bytes) s += String.fromCharCode(b); + return btoa(s).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, ''); +} +function unb64url(s: string): Uint8Array { + const p = s.replace(/-/g, '+').replace(/_/g, '/'); + const bin = atob(p + '='.repeat((4 - (p.length % 4)) % 4)); + const out = new Uint8Array(bin.length); + for (let i = 0; i < bin.length; i++) out[i] = bin.charCodeAt(i); + return out; +} + +/** HMAC-signed dev/test tokens: `.`. */ +export class DevVerifier implements Verifier { + #key: Promise; + + constructor(secret: string) { + this.#key = crypto.subtle.importKey( + 'raw', + enc.encode(secret), + { name: 'HMAC', hash: 'SHA-256' }, + false, + ['sign', 'verify'], + ); + } + + async mint(did: string, ttlSeconds = 3600): Promise { + const payload = b64url(enc.encode(JSON.stringify({ did, exp: Date.now() + ttlSeconds * 1000 }))); + const sig = new Uint8Array(await crypto.subtle.sign('HMAC', await this.#key, enc.encode(payload).slice())); + return `${payload}.${b64url(sig)}`; + } + + async verify(token: string): Promise { + const dot = token.indexOf('.'); + if (dot < 0) return null; + const payload = token.slice(0, dot); + const sig = token.slice(dot + 1); + let ok = false; + try { + ok = await crypto.subtle.verify('HMAC', await this.#key, unb64url(sig).slice(), enc.encode(payload).slice()); + } catch { + return null; + } + if (!ok) return null; + try { + const { did, exp } = JSON.parse(new TextDecoder().decode(unb64url(payload))); + if (typeof did !== 'string' || typeof exp !== 'number' || Date.now() > exp) return null; + return did; + } catch { + return null; + } + } +} diff --git a/relay/main.ts b/relay/main.ts new file mode 100644 index 0000000..89dc8bf --- /dev/null +++ b/relay/main.ts @@ -0,0 +1,317 @@ +// The ziran relay: a deliberately dumb Delivery Service. Per-document ordered +// logs, an ephemeral presence lane, snapshot blobs for late-join, and per-DID +// invitation inboxes — with the only two enforced primitives being +// write-permission per role and membership. Payloads are opaque (plaintext in +// phase 1; MLS ciphertext in phase 2 changes nothing here). +// +// deno run -A relay/main.ts # binds 127.0.0.1:4190 +// ZIRAN_RELAY_SECRET / ZIRAN_RELAY_DATA / ZIRAN_RELAY_PORT to configure. + +import { canPresence, canWrite, capReached, isAdmin, visibleRoster } from './acl.ts'; +import { AtprotoVerifier, CompositeVerifier, DevVerifier, type Verifier } from './auth.ts'; +import { RelayStore } from './store.ts'; +import type { + ClientFrame, + Invitation, + Member, + ServerFrame, + SyncManifest, +} from '../src/sync/protocol.ts'; + +interface Conn { + ws: WebSocket; + did: string; + handle?: string; + joined: Set; + wantsInbox: boolean; +} + +export interface Relay { + port: number; + shutdown(): void; +} + +export async function startRelay(opts: { + port?: number; + dataDir?: string; + verifier: Verifier; +} & Record): Promise { + const store = new RelayStore(opts.dataDir ?? './relay-data'); + await store.load(); + + const conns = new Set(); + const byDoc = new Map>(); + const byDid = new Map>(); + + const send = (ws: WebSocket, frame: ServerFrame) => { + if (ws.readyState === WebSocket.OPEN) ws.send(JSON.stringify(frame)); + }; + const errFrame = (ws: WebSocket, code: string, message: string, id?: string) => + send(ws, { t: 'err', id, code, message }); + + const rosterFor = (docId: string, viewer: Member): Member[] => { + const doc = store.doc(docId)!; + return visibleRoster(doc.manifest, doc.members, viewer); + }; + + /** Push each joined connection a roster filtered to what it may see. */ + const broadcastRoster = (docId: string) => { + for (const c of byDoc.get(docId) ?? []) { + const me = store.memberOf(docId, c.did); + if (me) send(c.ws, { t: 'roster', docId, roster: rosterFor(docId, me) }); + } + }; + + const handleJoin = async (c: Conn, f: Extract) => { + let doc = store.doc(f.docId); + if (!doc) { + const manifest = (f as { manifest?: SyncManifest }).manifest; + if (!manifest) return errFrame(c.ws, 'no-doc', 'document not found and no manifest to create it'); + doc = await store.createDoc(f.docId, c.did, manifest, c.handle); + } + let me = store.memberOf(f.docId, c.did); + if (!me) { + // Not a member: only a declared public role lets an uninvited caller in. + const pub = doc.manifest.publicRole; + if (!pub) return errFrame(c.ws, 'forbidden', 'not a member of this document'); + me = { did: c.did, handle: c.handle, role: pub }; + await store.addMember(f.docId, me); + } + c.joined.add(f.docId); + (byDoc.get(f.docId) ?? byDoc.set(f.docId, new Set()).get(f.docId)!).add(c); + send(c.ws, { t: 'joined', docId: f.docId, me, roster: rosterFor(f.docId, me) }); + for (const e of store.logSince(f.docId, f.sinceSeq ?? 0)) { + send(c.ws, { t: 'msg', docId: f.docId, seq: e.seq, author: e.author, role: e.role, b64: e.b64 }); + } + broadcastRoster(f.docId); + }; + + const handleAppend = async (c: Conn, f: Extract) => { + const me = store.memberOf(f.docId, c.did); + const doc = store.doc(f.docId); + if (!me || !doc || !c.joined.has(f.docId)) return errFrame(c.ws, 'forbidden', 'not joined', f.id); + if (!canWrite(doc.manifest, me.role)) return errFrame(c.ws, 'forbidden', `role ${me.role} cannot write`, f.id); + const entry = await store.append(f.docId, me.did, me.role, f.b64); + send(c.ws, { t: 'ack', id: f.id, seq: entry.seq }); + // Echo to every joined member (senders apply their own change via onMessage + // too — one code path, total order). + for (const other of byDoc.get(f.docId) ?? []) { + send(other.ws, { t: 'msg', docId: f.docId, seq: entry.seq, author: entry.author, role: entry.role, b64: entry.b64 }); + } + }; + + const handleEphemeral = (c: Conn, f: Extract) => { + const me = store.memberOf(f.docId, c.did); + const doc = store.doc(f.docId); + if (!me || !doc || !c.joined.has(f.docId)) return; + if (!canPresence(doc.manifest, me.role)) return; + for (const other of byDoc.get(f.docId) ?? []) { + if (other === c) continue; + const otherMember = store.memberOf(f.docId, other.did); + // Deliver only if the recipient is allowed to see the sender's role. + if (otherMember && visibleRoster(doc.manifest, [me], otherMember).length > 0) { + send(other.ws, { t: 'eph', docId: f.docId, author: me.did, role: me.role, b64: f.b64 }); + } + } + }; + + const handleSnapshot = async (c: Conn, f: Extract) => { + const me = store.memberOf(f.docId, c.did); + const doc = store.doc(f.docId); + if (!me || !doc) return; + if (!canWrite(doc.manifest, me.role)) return; // only writers snapshot + await store.setSnapshot(f.docId, f.atSeq, f.b64); + }; + + const handleInvite = async (c: Conn, f: Extract) => { + const me = store.memberOf(f.docId, c.did); + const doc = store.doc(f.docId); + if (!me || !doc) return errFrame(c.ws, 'forbidden', 'not a member', f.id); + if (!isAdmin(doc.manifest, me.role)) return errFrame(c.ws, 'forbidden', 'not allowed to invite', f.id); + if (!doc.manifest.roles[f.role]) return errFrame(c.ws, 'bad-role', `unknown role ${f.role}`, f.id); + if (capReached(doc.manifest, doc.members, f.role)) return errFrame(c.ws, 'cap', `role ${f.role} is full`, f.id); + const inv: Invitation = { + token: crypto.randomUUID().replace(/-/g, ''), + docId: f.docId, + title: f.title ?? f.docId, + inviterDid: me.did, + inviterHandle: me.handle, + inviteeDid: f.inviteeDid, + role: f.role, + createdAt: Date.now(), + payload: f.payload, // opaque MLS Welcome under E2EE; relay never reads it + }; + await store.putInvite(inv); + send(c.ws, { t: 'invited', id: f.id, invitation: inv }); + // Deliver to the invitee's live inbox subscribers, if any. + for (const ic of byDid.get(f.inviteeDid) ?? []) { + if (ic.wantsInbox) send(ic.ws, { t: 'inbox', invitation: inv }); + } + }; + + const handleAccept = async (c: Conn, f: Extract) => { + const inv = store.invite(f.token); + if (!inv) return errFrame(c.ws, 'no-invite', 'invitation not found', f.id); + if (inv.inviteeDid !== c.did) return errFrame(c.ws, 'forbidden', 'invitation is for another identity', f.id); + if (capReached(store.doc(inv.docId)!.manifest, store.doc(inv.docId)!.members, inv.role)) { + return errFrame(c.ws, 'cap', 'role filled before you accepted', f.id); + } + await store.addMember(inv.docId, { did: c.did, handle: c.handle, role: inv.role }); + const snap = store.snapshot(inv.docId); + send(c.ws, { + t: 'accepted', + id: f.id, + result: { docId: inv.docId, role: inv.role, atSeq: snap?.atSeq ?? 0, snapshotB64: snap?.b64 ?? null }, + }); + broadcastRoster(inv.docId); + }; + + const onFrame = async (c: Conn, raw: string) => { + let f: ClientFrame; + try { + f = JSON.parse(raw); + } catch { + return errFrame(c.ws, 'bad-frame', 'invalid JSON'); + } + switch (f.t) { + case 'join': return handleJoin(c, f); + case 'leave': { + c.joined.delete(f.docId); + byDoc.get(f.docId)?.delete(c); + return; + } + case 'append': return handleAppend(c, f); + case 'ephemeral': return handleEphemeral(c, f); + case 'snapshot': return handleSnapshot(c, f); + case 'invite': return handleInvite(c, f); + case 'accept': return handleAccept(c, f); + case 'sub-inbox': { + c.wantsInbox = true; + for (const inv of store.inboxFor(c.did)) send(c.ws, { t: 'inbox', invitation: inv }); + return; + } + case 'pub-kp': + await store.putKeyPackage(c.did, f.b64); + return; + case 'get-kp': + send(c.ws, { t: 'kp', id: f.id, b64: store.keyPackage(f.did) ?? null }); + return; + case 'get-invite': { + const inv = store.invite(f.token); + // Only the named invitee may fetch the invitation (it carries the + // MLS Welcome for their key). + send(c.ws, { t: 'invite-info', id: f.id, invitation: inv && inv.inviteeDid === c.did ? inv : null }); + return; + } + } + }; + + // Share-link landing: a human-readable page that deep-links into the app. + // It shows only what the link holder already knows (title, inviter, role) — + // the MLS Welcome is NOT here; the app fetches it over the authenticated + // socket, where only the named invitee can. + const landingPage = (token: string): Response => { + const inv = store.invite(token); + const esc = (s: string) => s.replace(/[&<>"]/g, (c) => ({ '&': '&', '<': '<', '>': '>', '"': '"' }[c]!)); + const body = inv + ? `

You’re invited to “${esc(inv.title)}”

+

${esc(inv.inviterHandle ?? inv.inviterDid)} invited you to collaborate as ${esc(inv.role)}.

+

Open in Ziran

+

Nothing happens without you: opening the invitation downloads the document + to your machine first, and only then joins the live session.

+

No Ziran yet? Get it here, then open this link again.

` + : `

Invitation not found

+

This invitation may have been withdrawn, or the link is incomplete.

`; + return new Response( + ` + Ziran invitation + +
Z
${body}`, + { headers: { 'content-type': 'text/html; charset=utf-8' } }, + ); + }; + + const handler = async (req: Request): Promise => { + const url = new URL(req.url); + if (url.pathname === '/health') return new Response('ok'); + // did:web identity: the DID names this relay as a service-auth audience; + // serving its document makes the DID resolvable by anyone who checks. + if (url.pathname === '/.well-known/did.json') { + const did = Deno.env.get('ZIRAN_RELAY_DID') ?? 'did:web:relay.ziran.space'; + return new Response( + JSON.stringify({ + '@context': ['https://www.w3.org/ns/did/v1'], + id: did, + service: [{ + id: '#ziran_relay', + type: 'ZiranRelay', + serviceEndpoint: `https://${did.replace(/^did:web:/, '')}`, + }], + }), + { headers: { 'content-type': 'application/json' } }, + ); + } + const invitePage = url.pathname.match(/^\/i\/([0-9a-f]+)$/); + if (invitePage) return landingPage(invitePage[1]!); + if (url.pathname !== '/ws' || req.headers.get('upgrade') !== 'websocket') { + return new Response('ziran relay', { status: 200 }); + } + const did = await opts.verifier.verify(url.searchParams.get('token') ?? ''); + if (!did) return new Response('unauthorized', { status: 401 }); + const handle = url.searchParams.get('handle') ?? undefined; + const { socket, response } = Deno.upgradeWebSocket(req); + const c: Conn = { ws: socket, did, handle, joined: new Set(), wantsInbox: false }; + socket.addEventListener('open', () => { + conns.add(c); + (byDid.get(did) ?? byDid.set(did, new Set()).get(did)!).add(c); + }); + socket.addEventListener('message', (ev) => { + if (typeof ev.data === 'string') onFrame(c, ev.data).catch((e) => errFrame(socket, 'internal', String(e))); + }); + socket.addEventListener('close', () => { + conns.delete(c); + byDid.get(did)?.delete(c); + for (const docId of c.joined) { + byDoc.get(docId)?.delete(c); + broadcastRoster(docId); + } + }); + return response; + }; + + // Loopback by default (dev); containers set ZIRAN_RELAY_HOST=0.0.0.0 — the + // front proxy is the only thing exposed to the outside either way. + const hostname = (opts.hostname as string | undefined) ?? Deno.env.get('ZIRAN_RELAY_HOST') ?? '127.0.0.1'; + const server = Deno.serve({ hostname, port: opts.port ?? 4190, onListen: () => {} }, handler); + return { + port: (server.addr as Deno.NetAddr).port, + shutdown: () => server.shutdown(), + }; +} + +/** The standard door: atproto service-auth JWTs, plus dev HMAC tokens unless + ZIRAN_RELAY_DEV_AUTH=off. ZIRAN_RELAY_DID is the audience tokens must + name (default did:web:relay.ziran.space). */ +export function standardVerifier(): Verifier { + const relayDid = Deno.env.get('ZIRAN_RELAY_DID') ?? 'did:web:relay.ziran.space'; + const dev = Deno.env.get('ZIRAN_RELAY_DEV_AUTH') === 'off' + ? undefined + : new DevVerifier(Deno.env.get('ZIRAN_RELAY_SECRET') ?? 'dev-secret'); + return new CompositeVerifier(new AtprotoVerifier(relayDid), dev); +} + +if (import.meta.main) { + const relay = await startRelay({ + port: Number(Deno.env.get('ZIRAN_RELAY_PORT') ?? 4190), + dataDir: Deno.env.get('ZIRAN_RELAY_DATA') ?? './relay-data', + verifier: standardVerifier(), + }); + console.log(`ziran relay on ws://127.0.0.1:${relay.port}/ws`); +} diff --git a/relay/store.ts b/relay/store.ts new file mode 100644 index 0000000..899c74e --- /dev/null +++ b/relay/store.ts @@ -0,0 +1,208 @@ +// Durable state for the relay: per-document ordered logs, membership, the +// latest snapshot blob, and per-DID invitation inboxes. Filesystem-backed +// (append-only JSONL logs + JSON sidecars + blob files) — simple, inspectable, +// and enough for a single-tenant relay. Everything is indexed in memory and +// written through on mutation. + +import { join } from '@std/path'; +import type { Invitation, Member, SyncManifest } from '../src/sync/protocol.ts'; + +export interface LogEntry { + seq: number; + author: string; + role: string; + b64: string; +} + +interface DocState { + id: string; + manifest: SyncManifest; + owner: string; + members: Member[]; + log: LogEntry[]; + snapshot?: { atSeq: number; b64: string }; +} + +export class RelayStore { + #root: string; + #docs = new Map(); + #inbox = new Map(); + #invites = new Map(); + + #keyPackages = new Map(); + + constructor(root: string) { + this.#root = root; + } + + async load(): Promise { + await Deno.mkdir(join(this.#root, 'docs'), { recursive: true }); + await Deno.mkdir(join(this.#root, 'inbox'), { recursive: true }); + await Deno.mkdir(join(this.#root, 'invites'), { recursive: true }); + await Deno.mkdir(join(this.#root, 'keypackages'), { recursive: true }); + for await (const entry of Deno.readDir(join(this.#root, 'keypackages'))) { + if (!entry.isFile || !entry.name.endsWith('.b64')) continue; + const did = decodeURIComponent(entry.name.replace(/\.b64$/, '')); + this.#keyPackages.set(did, await Deno.readTextFile(join(this.#root, 'keypackages', entry.name))); + } + for await (const entry of Deno.readDir(join(this.#root, 'docs'))) { + if (!entry.isDirectory) continue; + try { + this.#docs.set(entry.name, await this.#readDoc(entry.name)); + } catch (err) { + console.warn(`relay: skipping unreadable doc ${entry.name}:`, (err as Error).message); + } + } + for await (const entry of Deno.readDir(join(this.#root, 'inbox'))) { + if (!entry.isFile || !entry.name.endsWith('.jsonl')) continue; + const did = decodeURIComponent(entry.name.replace(/\.jsonl$/, '')); + this.#inbox.set(did, await this.#readLines(join(this.#root, 'inbox', entry.name))); + } + for await (const entry of Deno.readDir(join(this.#root, 'invites'))) { + if (!entry.isFile || !entry.name.endsWith('.json')) continue; + const inv = JSON.parse(await Deno.readTextFile(join(this.#root, 'invites', entry.name))) as Invitation; + this.#invites.set(inv.token, inv); + } + } + + hasDoc(id: string): boolean { + return this.#docs.has(id); + } + + doc(id: string): DocState | undefined { + return this.#docs.get(id); + } + + async createDoc(id: string, owner: string, manifest: SyncManifest, ownerHandle?: string): Promise { + const state: DocState = { + id, + manifest, + owner, + members: [{ did: owner, handle: ownerHandle, role: manifest.owner }], + log: [], + }; + this.#docs.set(id, state); + await this.#writeMeta(state); + return state; + } + + memberOf(id: string, did: string): Member | undefined { + return this.#docs.get(id)?.members.find((m) => m.did === did); + } + + async addMember(id: string, member: Member): Promise { + const doc = this.#docs.get(id); + if (!doc) return; + const existing = doc.members.find((m) => m.did === member.did); + if (existing) existing.role = member.role; + else doc.members.push(member); + await this.#writeMeta(doc); + } + + async removeMember(id: string, did: string): Promise { + const doc = this.#docs.get(id); + if (!doc) return; + doc.members = doc.members.filter((m) => m.did !== did); + await this.#writeMeta(doc); + } + + /** Append to the durable log and return the assigned entry. */ + async append(id: string, author: string, role: string, b64: string): Promise { + const doc = this.#docs.get(id)!; + const entry: LogEntry = { seq: doc.log.length + 1, author, role, b64 }; + doc.log.push(entry); + await Deno.writeTextFile(join(this.#root, 'docs', id, 'log.jsonl'), JSON.stringify(entry) + '\n', { + append: true, + }); + return entry; + } + + logSince(id: string, sinceSeq: number): LogEntry[] { + const doc = this.#docs.get(id); + if (!doc) return []; + return sinceSeq > 0 ? doc.log.filter((e) => e.seq > sinceSeq) : doc.log.slice(); + } + + async setSnapshot(id: string, atSeq: number, b64: string): Promise { + const doc = this.#docs.get(id); + if (!doc) return; + doc.snapshot = { atSeq, b64 }; + await Deno.writeTextFile(join(this.#root, 'docs', id, 'snapshot.json'), JSON.stringify(doc.snapshot)); + } + + snapshot(id: string): { atSeq: number; b64: string } | undefined { + return this.#docs.get(id)?.snapshot; + } + + async putInvite(inv: Invitation): Promise { + this.#invites.set(inv.token, inv); + await Deno.writeTextFile(join(this.#root, 'invites', `${inv.token}.json`), JSON.stringify(inv)); + const box = this.#inbox.get(inv.inviteeDid) ?? []; + box.push(inv); + this.#inbox.set(inv.inviteeDid, box); + await Deno.writeTextFile( + join(this.#root, 'inbox', `${encodeURIComponent(inv.inviteeDid)}.jsonl`), + JSON.stringify(inv) + '\n', + { append: true }, + ); + } + + invite(token: string): Invitation | undefined { + return this.#invites.get(token); + } + + /** KeyPackage directory: latest published package per DID. Stands in for + the per-user PDS record until AT sign-in lands; reuse is tolerated by + the MLS layer, so last-write-wins is correct enough here. */ + async putKeyPackage(did: string, b64: string): Promise { + this.#keyPackages.set(did, b64); + await Deno.writeTextFile(join(this.#root, 'keypackages', `${encodeURIComponent(did)}.b64`), b64); + } + + keyPackage(did: string): string | undefined { + return this.#keyPackages.get(did); + } + + inboxFor(did: string): Invitation[] { + return (this.#inbox.get(did) ?? []).slice(); + } + + async #readDoc(id: string): Promise { + const dir = join(this.#root, 'docs', id); + const meta = JSON.parse(await Deno.readTextFile(join(dir, 'meta.json'))) as { + manifest: SyncManifest; + owner: string; + members: Member[]; + }; + const log = (await this.#readLines(join(dir, 'log.jsonl'))) as LogEntry[]; + let snapshot: DocState['snapshot']; + try { + snapshot = JSON.parse(await Deno.readTextFile(join(dir, 'snapshot.json'))); + } catch { + snapshot = undefined; + } + return { id, manifest: meta.manifest, owner: meta.owner, members: meta.members, log, snapshot }; + } + + async #readLines(path: string): Promise { + let text: string; + try { + text = await Deno.readTextFile(path); + } catch { + return []; + } + return text + .split('\n') + .filter((l) => l.trim()) + .map((l) => JSON.parse(l) as T); + } + + async #writeMeta(doc: DocState): Promise { + const dir = join(this.#root, 'docs', doc.id); + await Deno.mkdir(dir, { recursive: true }); + await Deno.writeTextFile( + join(dir, 'meta.json'), + JSON.stringify({ manifest: doc.manifest, owner: doc.owner, members: doc.members }, null, 2), + ); + } +} diff --git a/relay/test.ts b/relay/test.ts new file mode 100644 index 0000000..464b3df --- /dev/null +++ b/relay/test.ts @@ -0,0 +1,211 @@ +// End-to-end exercise of the relay substrate: create, join, append+echo, +// ordering, presence with per-role visibility, write-permission enforcement, +// invite → inbox → accept, snapshot, and snapshot-based late join. +// Run: deno run -A relay/test.ts + +import { startRelay } from './main.ts'; +import { DevVerifier } from './auth.ts'; +import { fromB64, type ServerFrame, toB64 } from '../src/sync/protocol.ts'; + +let failures = 0; +const check = (label: string, ok: boolean, detail = '') => { + console.log(`${ok ? 'PASS' : 'FAIL'} ${label}${detail ? ` — ${detail}` : ''}`); + if (!ok) failures++; +}; +const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms)); +const enc = (s: string) => new TextEncoder().encode(s); +const dec = (b: Uint8Array) => new TextDecoder().decode(b); + +class Client { + ws!: WebSocket; + frames: ServerFrame[] = []; + constructor(public did: string) {} + async connect(port: number, token: string, handle: string) { + this.ws = new WebSocket(`ws://127.0.0.1:${port}/ws?token=${token}&handle=${handle}`); + this.ws.addEventListener('message', (e) => this.frames.push(JSON.parse(e.data))); + await new Promise((res, rej) => { + this.ws.addEventListener('open', () => res()); + this.ws.addEventListener('error', () => rej(new Error('ws error'))); + }); + } + sendFrame(f: unknown) { + this.ws.send(JSON.stringify(f)); + } + msgs(docId: string) { + return this.frames.filter((f): f is Extract => f.t === 'msg' && f.docId === docId); + } + ephs() { + return this.frames.filter((f): f is Extract => f.t === 'eph'); + } + find(t: T) { + return this.frames.find((f) => f.t === t) as Extract | undefined; + } + last(t: T) { + return [...this.frames].reverse().find((f) => f.t === t) as Extract | undefined; + } + clear() { + this.frames = []; + } +} + +const dataDir = await Deno.makeTempDir({ prefix: 'ziran-relay-' }); +const verifier = new DevVerifier('test-secret'); +const relay = await startRelay({ port: 0, dataDir, verifier }); +const P = relay.port; + +const ALICE = 'did:plc:alice'; +const BOB = 'did:plc:bob'; +const CAROL = 'did:plc:carol'; + +const manifest = { + owner: 'author', + roles: { + author: { write: true, admin: true, presence: true }, + editor: { write: true, presence: true }, + watcher: { write: false, presence: true, seesRoles: ['author', 'editor'] }, + opponent: { write: true, max: 1 }, + }, +}; + +try { + const alice = new Client(ALICE); + await alice.connect(P, await verifier.mint(ALICE), 'alice.test'); + + // 1. Create a doc by joining with a manifest → owner role. + alice.sendFrame({ t: 'join', docId: 'doc1', manifest }); + await sleep(100); + const joined = alice.find('joined'); + check('owner joins and gets owner role', joined?.me.role === 'author', joined?.me.role); + + // 2. Append echoes back with a seq. + alice.sendFrame({ t: 'append', docId: 'doc1', id: 'a1', b64: toB64(enc('hello')) }); + await sleep(80); + check('append acked with seq 1', alice.find('ack')?.seq === 1); + check('append echoes to sender', alice.msgs('doc1').length === 1 && dec(fromB64(alice.msgs('doc1')[0].b64)) === 'hello'); + + // 3. Invite Bob as editor; it lands in his inbox (offline delivery). + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: BOB, role: 'editor', id: 'i1', title: 'Doc One' }); + await sleep(80); + const invited = alice.last('invited'); + check('invite created', invited?.invitation.role === 'editor', invited?.invitation.role); + const token = invited!.invitation.token; + + // 4. Bob connects later, subscribes to his inbox, sees the pending invite. + const bob = new Client(BOB); + await bob.connect(P, await verifier.mint(BOB), 'bob.test'); + bob.sendFrame({ t: 'sub-inbox' }); + await sleep(80); + check('offline invite delivered on inbox subscribe', bob.find('inbox')?.invitation.token === token); + + // 5. Bob accepts → becomes a member, gets the snapshot pointer (none yet). + bob.sendFrame({ t: 'accept', token, id: 'ac1' }); + await sleep(80); + const accepted = bob.find('accepted'); + check('accept succeeds with role', accepted?.result.role === 'editor', accepted?.result.role); + + // 6. Bob joins and replays history (Alice's earlier "hello"). + bob.sendFrame({ t: 'join', docId: 'doc1' }); + await sleep(80); + check('late joiner replays the log', bob.msgs('doc1').some((m) => dec(fromB64(m.b64)) === 'hello')); + + // 7. Ordering: Bob appends, both see a consistent total order. + alice.clear(); + bob.clear(); + bob.sendFrame({ t: 'append', docId: 'doc1', id: 'b1', b64: toB64(enc('from-bob')) }); + await sleep(80); + check('editor may write', bob.find('ack')?.seq === 2); + check('both peers receive the new message', alice.msgs('doc1').length === 1 && bob.msgs('doc1').length === 1); + check('server-assigned order agrees', alice.msgs('doc1')[0].seq === bob.msgs('doc1')[0].seq); + + // 8. Write-permission: Carol as watcher cannot write. + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: CAROL, role: 'watcher', id: 'i2' }); + await sleep(60); + const carol = new Client(CAROL); + await carol.connect(P, await verifier.mint(CAROL), 'carol.test'); + const cTok = alice.last('invited')!.invitation.token; // most recent + carol.sendFrame({ t: 'accept', token: cTok, id: 'ac2' }); + await sleep(60); + carol.sendFrame({ t: 'join', docId: 'doc1' }); + await sleep(60); + carol.clear(); + carol.sendFrame({ t: 'append', docId: 'doc1', id: 'c1', b64: toB64(enc('nope')) }); + await sleep(80); + check('watcher write is refused', carol.find('err')?.code === 'forbidden'); + + // 9. Per-role presence visibility: watcher sees author's presence… + carol.clear(); + alice.sendFrame({ t: 'ephemeral', docId: 'doc1', b64: toB64(enc('cursor:alice')) }); + await sleep(80); + check('watcher sees author presence', carol.ephs().some((e) => dec(fromB64(e.b64)) === 'cursor:alice')); + // …but the author does NOT see the watcher (author has no seesRoles → sees all, + // so instead verify a watcher does not see another watcher). + const dave = new Client('did:plc:dave'); + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: 'did:plc:dave', role: 'watcher', id: 'i3' }); + await sleep(60); + await dave.connect(P, await verifier.mint('did:plc:dave'), 'dave.test'); + dave.sendFrame({ t: 'accept', token: alice.last('invited')!.invitation.token, id: 'ac3' }); + await sleep(60); + dave.sendFrame({ t: 'join', docId: 'doc1' }); + await sleep(60); + dave.clear(); + carol.sendFrame({ t: 'ephemeral', docId: 'doc1', b64: toB64(enc('cursor:carol')) }); + await sleep(80); + check('watcher does NOT see another watcher (per-role presence)', !dave.ephs().some((e) => dec(fromB64(e.b64)) === 'cursor:carol')); + + // 10. Snapshot + snapshot-based late join. + alice.sendFrame({ t: 'snapshot', docId: 'doc1', atSeq: 2, b64: toB64(enc('SNAPSHOT@2')) }); + await sleep(80); + const eve = new Client('did:plc:eve'); + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: 'did:plc:eve', role: 'editor', id: 'i4' }); + await sleep(60); + await eve.connect(P, await verifier.mint('did:plc:eve'), 'eve.test'); + eve.sendFrame({ t: 'accept', token: alice.last('invited')!.invitation.token, id: 'ac4' }); + await sleep(80); + const eveAccept = eve.find('accepted'); + check('accept returns the snapshot', eveAccept?.result.snapshotB64 != null && + dec(fromB64(eveAccept.result.snapshotB64)) === 'SNAPSHOT@2' && eveAccept.result.atSeq === 2); + eve.sendFrame({ t: 'join', docId: 'doc1', sinceSeq: 2 }); + await sleep(80); + check('snapshot late-joiner replays only the tail', eve.msgs('doc1').every((m) => m.seq > 2)); + + // 11. Role cap: opponent max 1. + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: 'did:plc:p1', role: 'opponent', id: 'o1' }); + await sleep(60); + const p1tok = alice.last('invited')!.invitation.token; + const p1 = new Client('did:plc:p1'); + await p1.connect(P, await verifier.mint('did:plc:p1'), 'p1'); + p1.sendFrame({ t: 'accept', token: p1tok, id: 'pa1' }); + await sleep(60); + alice.sendFrame({ t: 'invite', docId: 'doc1', inviteeDid: 'did:plc:p2', role: 'opponent', id: 'o2' }); + await sleep(80); + check('role cap enforced on second opponent', alice.frames.some((f) => f.t === 'err' && f.id === 'o2' && f.code === 'cap')); + + // 12. Auth: a bad token is refused at the door. + const badWs = new WebSocket(`ws://127.0.0.1:${P}/ws?token=garbage`); + const badResult = await new Promise((res) => { + badWs.addEventListener('open', () => res('opened')); + badWs.addEventListener('error', () => res('refused')); + badWs.addEventListener('close', () => res('refused')); + }); + check('invalid token refused at the door', badResult === 'refused'); + + // 13. Durability: reload the store from disk and confirm the doc survived. + relay.shutdown(); + await sleep(100); + const relay2 = await startRelay({ port: 0, dataDir, verifier }); + const late = new Client(ALICE); + await late.connect(relay2.port, await verifier.mint(ALICE), 'alice.test'); + late.sendFrame({ t: 'join', docId: 'doc1' }); + await sleep(100); + check('doc + log survive a relay restart', late.msgs('doc1').some((m) => dec(fromB64(m.b64)) === 'from-bob')); + relay2.shutdown(); +} finally { + await sleep(100); + await Deno.remove(dataDir, { recursive: true }).catch(() => {}); +} + +if (failures) { + console.error(`\n${failures} failure(s)`); + Deno.exit(1); +} +console.log('\nrelay substrate: all good'); diff --git a/src/components/zn-base-window.ts b/src/components/zn-base-window.ts index 8abc35c..448d8e8 100644 --- a/src/components/zn-base-window.ts +++ b/src/components/zn-base-window.ts @@ -145,6 +145,163 @@ export class ZnBaseWindow extends LitElement { outline: 2px solid var(--signal-strong); outline-offset: 2px; } + .id-signin { + margin-left: 0; + } + .id-chip { + display: inline-flex; + align-items: center; + gap: 7px; + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + color: var(--on-ink); + background: oklch(0.3 0.01 352); + border: 1px solid transparent; + border-radius: var(--r-full); + padding: 5px 14px; + cursor: pointer; + white-space: nowrap; + transition: background var(--t-fast) var(--ease-out); + } + .id-chip:hover { + background: oklch(0.35 0.012 352); + } + .id-chip:focus-visible { + outline: 2px solid var(--signal-strong); + outline-offset: 2px; + } + .id-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + } + .id-pop { + top: 60px; + right: var(--sp-5); + left: auto; + max-width: 320px; + } + .id-did { + margin: var(--sp-1) var(--sp-2); + font-family: var(--font-mono); + font-size: 0.72rem; + color: var(--ink-muted); + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + } + .signin-form { + display: grid; + gap: var(--sp-2); + padding: var(--sp-2); + min-width: 260px; + } + .signin-form label { + font-size: var(--text-sm); + font-weight: var(--w-semibold); + color: var(--ink); + } + .signin-form input { + font: inherit; + font-size: var(--text-sm); + padding: 6px 12px; + border: 1px solid var(--line); + border-radius: var(--r-sm); + color: var(--ink); + background: var(--surface); + } + .signin-form input:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 1px; + } + .menu button.signin-go { + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + border: 1px solid var(--ink); + background: var(--ink); + color: var(--surface); + border-radius: var(--r-full); + padding: 5px 14px; + cursor: pointer; + justify-self: start; + } + .menu button.signin-go:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 2px; + } + .signin-fine { + margin: 0; + font-size: var(--text-xs); + color: var(--ink-muted); + line-height: 1.45; + text-wrap: pretty; + } + .invites { + display: grid; + gap: var(--sp-1); + padding: var(--sp-2) var(--sp-6); + border-bottom: 1px solid var(--line-soft); + background: var(--surface); + } + .invite-row { + display: flex; + align-items: center; + gap: var(--sp-2); + min-height: 32px; + min-width: 0; + } + .invite-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + flex: none; + } + .invite-text { + flex: 1; + min-width: 0; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + font-size: var(--text-sm); + color: var(--ink); + } + .invite-accept, + .invite-dismiss { + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + border-radius: var(--r-full); + padding: 3px 12px; + cursor: pointer; + white-space: nowrap; + transition: border-color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out); + } + .invite-accept { + border: 1px solid var(--ink); + background: var(--ink); + color: var(--surface); + } + .invite-accept:hover { + background: var(--ink-strong, var(--ink)); + border-color: var(--ink-strong, var(--ink)); + } + .invite-dismiss { + border: 1px solid var(--line); + background: var(--surface); + color: var(--ink-muted); + } + .invite-dismiss:hover { + border-color: var(--ink-muted); + } + .invite-accept:focus-visible, + .invite-dismiss:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 2px; + } .regions { flex: 1; display: grid; @@ -439,7 +596,9 @@ export class ZnBaseWindow extends LitElement { ⌘K + ${this.renderIdentity()} + ${this.renderInvitations()}

Recent

@@ -488,6 +647,76 @@ export class ZnBaseWindow extends LitElement { `; } + /** The identity affordance: your AT handle when signed in, a quiet way in + when not. Collaboration works either way — signing in makes you + reachable by handle across machines. */ + private renderIdentity() { + const at = desk.sync?.at; + if (at?.signedIn) { + return html` + + + `; + } + return html` + + + `; + } + + private idAction(fn: () => void) { + this.renderRoot.querySelector('.id-pop')?.hidePopover(); + fn(); + } + + /** Pending invitations: a strip between banner and regions, present only + when someone is actually waiting on you. */ + private renderInvitations() { + const invitations = desk.sync?.invitations ?? []; + if (!invitations.length) return nothing; + return html` +
+ ${invitations.map((inv) => html` +
+ + + ${inv.inviterHandle ?? inv.inviterDid} invited you to + “${inv.title}” as ${inv.role} + + + +
+ `)} +
+ `; + } + private tileIcon(url: string | undefined) { return url ? html`` diff --git a/src/components/zn-connections.ts b/src/components/zn-connections.ts index 979a62a..34a295b 100644 --- a/src/components/zn-connections.ts +++ b/src/components/zn-connections.ts @@ -72,6 +72,19 @@ export class ZnConnections extends LitElement { color: var(--ink-muted); transform: scale(0.9); } + .chip-live { + display: inline-grid; + place-items: center; + min-width: 16px; + height: 16px; + padding: 0 4px; + border-radius: var(--r-full); + background: var(--signal); + color: #fff; + font-size: 0.6875rem; + font-weight: var(--w-semibold); + line-height: 1; + } .mark { display: inline-grid; transform: scale(0.8); @@ -171,14 +184,75 @@ export class ZnConnections extends LitElement { outline: 2px solid var(--signal); outline-offset: 2px; } + ul.members { + list-style: none; + margin: 0; + padding: 0; + display: grid; + gap: 2px; + } + ul.members li { + display: flex; + align-items: center; + gap: var(--sp-2); + min-height: 24px; + min-width: 0; + } + .member-name { + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + } + .presence { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + flex: none; + } + form.invite { + display: flex; + gap: var(--sp-2); + min-width: 0; + } + form.invite input { + flex: 1; + min-width: 0; + font: inherit; + font-size: var(--text-sm); + padding: 3px 10px; + border: 1px solid var(--line); + border-radius: var(--r-full); + background: var(--surface); + color: var(--ink); + } + form.invite input::placeholder { + color: var(--ink-muted); + } + form.invite input:focus-visible, + form.invite select:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 1px; + } + form.invite select { + font: inherit; + font-size: var(--text-sm); + border: 1px solid var(--line); + border-radius: var(--r-full); + background: var(--surface); + color: var(--ink); + padding: 3px 6px; + } `, ]; override render() { const d = this.doc; const iconUrl = docIconUrl(d); + const live = desk.syncDoc(d.id); const label = `Tile details for ${d.name}: ${d.damaged ? 'failed verification' : 'verified'}` + - (d.modelName ? `, made from the ${d.modelName} model` : ''); + (d.modelName ? `, made from the ${d.modelName} model` : '') + + (live ? `, live with ${live.members.length} ${live.members.length === 1 ? 'member' : 'members'}` : ''); return html` `; } + private renderSyncSection() { + const sync = desk.sync; + if (!sync?.relayOk) { + return html`

+ The relay is unreachable, so live sessions are paused. This document keeps working on + this machine. +

`; + } + const s = desk.syncDoc(this.doc.id); + if (!s) { + return html` +
+ Only on this machine + +
+

+ Going live keeps the document here and end-to-end encrypted — the relay only ever + carries ciphertext. You choose who joins, and as what. +

+ `; + } + const roles = ['editor', 'watcher']; + return html` +
    + ${s.members.map((m) => html` +
  • + + ${m.handle ?? m.did} + ${m.did === sync.identity.did ? `${m.role} · you` : m.role} +
    • + `)} +
+
+ + + +
+

+ They get the invitation inside Ziran and as a link you can pass along. Accepting + downloads the document to their machine first, then joins them live. +

+ `; + } + + private async submitInvite(e: Event) { + e.preventDefault(); + const form = e.target as HTMLFormElement; + const did = (form.elements.namedItem('did') as HTMLInputElement).value.trim(); + const role = (form.elements.namedItem('role') as HTMLSelectElement).value; + if (!did) return; + const link = await desk.invite(this.doc.id, did, role); + if (link) (form.elements.namedItem('did') as HTMLInputElement).value = ''; + } + private renderModelSection() { const d = this.doc; const saved = d.modelId ? desk.models.find((m) => m.id === d.modelId) : undefined; diff --git a/src/components/zn-doc-window.ts b/src/components/zn-doc-window.ts index 72ff9ed..c9625cf 100644 --- a/src/components/zn-doc-window.ts +++ b/src/components/zn-doc-window.ts @@ -77,6 +77,30 @@ export class ZnDocWindow extends LitElement { place-items: center; color: var(--ink-muted); } + .bar .live { + display: inline-flex; + align-items: center; + gap: 6px; + margin-left: var(--sp-2); + font-size: var(--text-sm); + color: var(--ink-muted); + white-space: nowrap; + } + .bar .live-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + } + @media (prefers-reduced-motion: no-preference) { + .bar .live-dot { + animation: live-pulse 2.4s var(--ease-out) infinite; + } + @keyframes live-pulse { + 0%, 100% { opacity: 1; } + 50% { opacity: 0.45; } + } + } .bar .title { font-weight: var(--w-semibold); font-size: var(--text-ui); @@ -331,6 +355,19 @@ export class ZnDocWindow extends LitElement { return rec.panes.find((p) => p.id === this.focusPaneId) ?? rec.panes[0]!; } + /** The banner space reserved for sync info: present only when the document + is in a live session. The dot is signal pink — semantic (live), not + decoration. */ + private renderLive(docId: string) { + const s = desk.syncDoc(docId); + if (!s) return nothing; + const n = s.members.length; + return html` + + ${n === 1 ? 'live · only you' : `live · ${n} people`} + `; + } + private tileIcon(docId: string, size = 18) { const doc = desk.getDoc(docId); const url = doc ? docIconUrl(doc) : undefined; @@ -368,6 +405,7 @@ export class ZnDocWindow extends LitElement { @dblclick=${() => this.beginRename()} >${activeDoc.name}`} + ${this.renderLive(activeDoc.id)} ` : nothing} diff --git a/src/server/api.ts b/src/server/api.ts index 85485b3..621f565 100644 --- a/src/server/api.ts +++ b/src/server/api.ts @@ -6,6 +6,8 @@ import mime from 'mime'; import { parseTile, readResource, readTileData, renameTile, writeTileData } from './tilefile.ts'; import { pickOpen, pickSave, revealInFolder } from './dialogs.ts'; import type { ZiranStore } from './store.ts'; +import type { SyncManager } from './sync.ts'; +import type { AtSession } from './atsession.ts'; const staticRoots = [ join(Deno.cwd(), 'static'), @@ -55,11 +57,31 @@ function safeEqual(a: string, b: string): boolean { return diff === 0; } -export function createHandler(store: ZiranStore): (req: Request) => Promise { +export function createHandler(store: ZiranStore, sync?: SyncManager, at?: AtSession): (req: Request) => Promise { return async (req: Request): Promise => { const url = new URL(req.url); const { pathname } = url; + // OAuth redirect landing — deliberately outside the /api key gate (the + // browser arrives bare); integrity comes from the OAuth state parameter, + // which the client library verifies. + if (pathname === '/oauth/callback' && at) { + try { + const { handle, did } = await at.callback(url.searchParams); + return new Response( + `Signed in — Ziran + +
Z
+

You’re signed in as ${handle ?? did}

+

Head back to Ziran — this tab is done.

+ `, + { headers: { 'content-type': 'text/html; charset=utf-8' } }, + ); + } catch (e) { + return new Response(`sign-in failed: ${(e as Error).message}`, { status: 400 }); + } + } + // The API is for the shell UI only, two gates deep: // 1. Bearer token, minted at launch and known only to pages the server // itself navigated to (any local process can reach 127.0.0.1 — the @@ -229,6 +251,9 @@ export function createHandler(store: ZiranStore): (req: Request) => Promise Promise { + #file: string; + #data: Record | undefined; + + constructor(name: string) { + this.#file = join(syncDir(), name); + } + + async #load(): Promise> { + if (!this.#data) { + try { + this.#data = JSON.parse(await Deno.readTextFile(this.#file)); + } catch { + this.#data = {}; + } + } + return this.#data!; + } + + async get(key: string): Promise { + return (await this.#load())[key]; + } + async set(key: string, value: V): Promise { + const data = await this.#load(); + data[key] = value; + await Deno.writeTextFile(this.#file, JSON.stringify(data)); + } + async del(key: string): Promise { + const data = await this.#load(); + delete data[key]; + await Deno.writeTextFile(this.#file, JSON.stringify(data)); + } +} + +function openInBrowser(url: string): void { + const cmd = Deno.build.os === 'darwin' + ? ['open', url] + : Deno.build.os === 'windows' + ? ['cmd', '/c', 'start', '', url] + : ['xdg-open', url]; + try { + new Deno.Command(cmd[0]!, { args: cmd.slice(1) }).spawn().unref(); + } catch { + // headless / no opener: the URL is surfaced to the UI regardless + } +} + +export class AtSession { + did: string | null = null; + handle: string | null = null; + + #client?: NodeOAuthClient; + #session?: OAuthSession; + #agent?: Agent; + #currentFile = ''; + /** Called when the signed-in identity changes (sign-in or sign-out). */ + onChange: (() => Promise | void) | undefined; + + async init(appPort: number): Promise { + this.#currentFile = join(syncDir(), 'at-current.json'); + const redirectUri = `http://127.0.0.1:${appPort}/oauth/callback`; + // Loopback development client: no hosted metadata document needed; the + // authorization server derives the metadata from the client_id itself. + const clientId = `http://localhost?redirect_uri=${encodeURIComponent(redirectUri)}&scope=${ + encodeURIComponent(SCOPE) + }`; + this.#client = new NodeOAuthClient({ + // Deno: the default AtprotoHandleResolverNode eagerly builds a + // Node-undici SSRF wrapper that doesn't exist here. Native fetch + + // the public HTTP resolver sidestep the whole node-only path. + fetch: globalThis.fetch, + handleResolver: 'https://public.api.bsky.app', + clientMetadata: { + client_id: clientId, + client_name: 'Ziran', + redirect_uris: [redirectUri], + scope: SCOPE, + grant_types: ['authorization_code', 'refresh_token'], + response_types: ['code'], + application_type: 'native', + token_endpoint_auth_method: 'none', + dpop_bound_access_tokens: true, + }, + stateStore: new FileStore('at-oauth-state.json'), + sessionStore: new FileStore('at-oauth-sessions.json'), + }); + + // Restore the previous sign-in, if any. + try { + const { did } = JSON.parse(await Deno.readTextFile(this.#currentFile)); + if (typeof did === 'string') await this.#activate(did); + } catch { + // signed out + } + } + + get signedIn(): boolean { + return this.did !== null; + } + + async #activate(did: string): Promise { + this.#session = await this.#client!.restore(did); + this.#agent = new Agent(this.#session); + this.did = did; + try { + this.handle = (await resolveIdentity(did)).handle; + } catch { + this.handle = null; + } + } + + /** Begin sign-in: returns the authorization URL (also opened in the + user's browser). */ + async signIn(identifier: string): Promise { + if (!this.#client) throw new Error('sign-in is not ready yet'); + const url = await this.#client.authorize(identifier.trim().replace(/^@/, ''), { scope: SCOPE }); + openInBrowser(url.href); + return url.href; + } + + /** OAuth redirect landing: exchange the code, persist, activate. */ + async callback(params: URLSearchParams): Promise<{ did: string; handle: string | null }> { + const { session } = await this.#client!.callback(params); + await Deno.writeTextFile(this.#currentFile, JSON.stringify({ did: session.did })); + await this.#activate(session.did); + await this.onChange?.(); + return { did: this.did!, handle: this.handle }; + } + + async signOut(): Promise { + const did = this.did; + this.did = null; + this.handle = null; + this.#agent = undefined; + this.#session = undefined; + await Deno.remove(this.#currentFile).catch(() => {}); + if (did) await this.#client?.revoke(did).catch(() => {}); + await this.onChange?.(); + } + + /** Mint a relay token at the user's PDS (service-auth, ~60s, DID-signed). */ + async relayToken(relayDid: string): Promise { + if (!this.#agent) throw new Error('not signed in'); + const res = await this.#agent.com.atproto.server.getServiceAuth({ aud: relayDid, lxm: RELAY_LXM }); + return res.data.token; + } + + /** Publish this identity's MLS KeyPackage as a record in their own repo. */ + async publishKeyPackage(b64: string): Promise { + if (!this.#agent || !this.did) throw new Error('not signed in'); + await this.#agent.com.atproto.repo.putRecord({ + repo: this.did, + collection: KP_COLLECTION, + rkey: 'self', + record: { $type: KP_COLLECTION, keyPackage: b64, createdAt: new Date().toISOString() }, + }); + } +} + +/** Fetch a member's published KeyPackage from their PDS (unauthenticated — + repo records are public). Returns null if they never published one. */ +export async function fetchPdsKeyPackage(did: string): Promise { + try { + const identity = await resolveIdentity(did); + if (!identity.pds) return null; + const url = `${identity.pds.replace(/\/+$/, '')}/xrpc/com.atproto.repo.getRecord?repo=${ + encodeURIComponent(did) + }&collection=${KP_COLLECTION}&rkey=self`; + const res = await fetch(url); + if (!res.ok) { + await res.body?.cancel(); + return null; + } + const data = await res.json(); + const kp = data?.value?.keyPackage; + return typeof kp === 'string' ? kp : null; + } catch { + return null; + } +} diff --git a/src/server/paths.ts b/src/server/paths.ts index 90e659c..498d577 100644 --- a/src/server/paths.ts +++ b/src/server/paths.ts @@ -25,9 +25,13 @@ export const modelsDir = () => join(appDataDir(), 'models'); export const importsDir = () => join(appDataDir(), 'imports'); export const recentsFile = () => join(appDataDir(), 'recents.json'); export const sessionFile = () => join(appDataDir(), 'session.json'); +export const syncDir = () => join(appDataDir(), 'sync'); +export const groupsDir = () => join(syncDir(), 'groups'); +export const identityFile = () => join(syncDir(), 'identity.json'); +export const syncRegistryFile = () => join(syncDir(), 'docs.json'); export async function ensureDirs(): Promise { - for (const dir of [documentsDir(), modelsDir(), importsDir()]) { + for (const dir of [documentsDir(), modelsDir(), importsDir(), groupsDir()]) { await Deno.mkdir(dir, { recursive: true }); } } diff --git a/src/server/register.ts b/src/server/register.ts index 4aee20f..845598c 100644 --- a/src/server/register.ts +++ b/src/server/register.ts @@ -27,6 +27,10 @@ async function registerWindows(exe: string): Promise { await reg([`HKCU\\Software\\Classes\\${PROG_ID}`, '/ve', '/d', 'DASL Web Tile']); await reg([`HKCU\\Software\\Classes\\${PROG_ID}\\DefaultIcon`, '/ve', '/d', `"${exe}",0`]); await reg([`HKCU\\Software\\Classes\\${PROG_ID}\\shell\\open\\command`, '/ve', '/d', `"${exe}" "%1"`]); + // ziran:// deep links (invitation accepts). + await reg([`HKCU\\Software\\Classes\\ziran`, '/ve', '/d', 'URL:Ziran']); + await reg([`HKCU\\Software\\Classes\\ziran`, '/v', 'URL Protocol', '/d', '']); + await reg([`HKCU\\Software\\Classes\\ziran\\shell\\open\\command`, '/ve', '/d', `"${exe}" "%1"`]); } async function registerLinux(exe: string): Promise { @@ -59,7 +63,7 @@ Exec="${exe}" %f Icon=com.berjon.ziran Terminal=false Categories=Office; -MimeType=${MIME}; +MimeType=${MIME};x-scheme-handler/ziran; `, ); // Icon (shipped in the compiled app's VFS under build/). @@ -73,6 +77,7 @@ MimeType=${MIME}; await run('update-mime-database', [join(dataHome, 'mime')]); await run('update-desktop-database', [apps]); await run('xdg-mime', ['default', 'com.berjon.ziran.desktop', MIME]); + await run('xdg-mime', ['default', 'com.berjon.ziran.desktop', 'x-scheme-handler/ziran']); } /** Run once per profile; never throws. */ diff --git a/src/server/store.ts b/src/server/store.ts index 9b4bfec..c8dc49a 100644 --- a/src/server/store.ts +++ b/src/server/store.ts @@ -85,6 +85,10 @@ export class ZiranStore { openOsWindow: ((winId: string, url: string, title: string, bounds?: Bounds) => boolean) | undefined; /** Last reported geometry of the base window. */ mainBounds: Bounds | undefined; + /** Collaboration summary folded into every state snapshot (set by main.ts). */ + syncSummary: (() => unknown) | undefined; + /** Re-keys the sync registry when a move changes a path-derived id. */ + onDocMoved: ((oldId: string, newId: string, newPath: string) => void) | undefined; #sockets = new Set(); #winSockets = new Map>(); @@ -353,9 +357,25 @@ export class ZiranStore { this.broadcast(); } - /** First run: copy bundled starter tiles into the models dir. */ + /** Seed bundled starter tiles the user's library doesn't have yet (by + model id, so new starters reach existing profiles without touching + models the user changed or removed deliberately… removals do come + back, but only when the app ships a starter under that id). */ async seedStarterModels(): Promise { - for await (const _ of Deno.readDir(modelsDir())) return; // not empty: done + const have = new Set(); + try { + for await (const entry of Deno.readDir(modelsDir())) { + if (!entry.isFile || !entry.name.endsWith('.tile')) continue; + try { + const tile = await parseTile(join(modelsDir(), entry.name), { verify: false }); + if (tile.manifest.model?.id) have.add(tile.manifest.model.id); + } catch { + // unreadable model; leave it alone + } + } + } catch { + // models dir missing; ensureDirs created it during load + } const roots = [join(Deno.cwd(), 'tiles', 'built'), new URL('../../tiles/built/', import.meta.url).pathname]; for (const root of roots) { try { @@ -363,6 +383,9 @@ export class ZiranStore { if (!entry.isFile || !entry.name.endsWith('.tile')) continue; const src = join(root, entry.name); try { + const tile = await parseTile(src, { verify: false }); + const id = tile.manifest.model?.id; + if (!id || have.has(id)) continue; const model = await writeModelTile(src, join(modelsDir(), entry.name)); console.log(`seeded starter model ${model.name ?? entry.name}`); } catch (err) { @@ -485,6 +508,7 @@ export class ZiranStore { this.open.delete(id); this.recents = this.recents.filter((r) => r.path !== doc.info.path && r.path !== destPath); const info = await this.openPath(destPath); + this.onDocMoved?.(id, info.id, destPath); // Ids are path-derived: remap the moved doc inside every window record so // open windows carry on undisturbed. for (const win of this.windows) { @@ -539,9 +563,22 @@ export class ZiranStore { mainBounds: this.mainBounds, tileServerPort: this.tileServerPort, desktop: this.desktop, + sync: this.syncSummary?.(), }; } + /** Push a one-off event (sync traffic) to every window socket. */ + broadcastEvent(event: Record): void { + const msg = JSON.stringify(event); + for (const ws of this.#sockets) { + try { + ws.send(msg); + } catch { + this.#sockets.delete(ws); + } + } + } + /** Sockets identify which window they render ('base' or a win id). When a window's last socket closes and no reload reclaims it briefly, the OS window is gone: drop its record and release its docs. */ diff --git a/src/server/sync.ts b/src/server/sync.ts new file mode 100644 index 0000000..b46a9c1 --- /dev/null +++ b/src/server/sync.ts @@ -0,0 +1,465 @@ +// The runtime's collaboration manager: owns the identity, the E2EE transport, +// and every live document session. MLS runs here, host-side — the UI sees +// plaintext + membership events over the authenticated window sockets, tiles +// see only the tp-sync frames the UI forwards down. Tiles never touch keys, +// invitations, or membership (the runtime chrome is the only writer of those). +// +// Identity is a generated dev DID until AT sign-in lands (ZIRAN_DID / +// ZIRAN_HANDLE override; swapping in atproto OAuth + service-auth changes +// only this file's identity block and the relay's Verifier). + +import { join } from '@std/path'; +import type { Invitation, Member, Session, SyncManifest } from '../sync/protocol.ts'; +import { fromB64, toB64 } from '../sync/protocol.ts'; +import { RelaySyncTransport } from '../sync/relay-client.ts'; +import { type KeyPackageDirectory, MlsSyncTransport, RelayKeyPackageDirectory } from '../sync/mls-transport.ts'; +import { DevVerifier } from '../../relay/auth.ts'; +import { resolveIdentity } from '../sync/atproto.ts'; +import { type AtSession, fetchPdsKeyPackage } from './atsession.ts'; +import { documentsDir, groupsDir, identityFile, syncRegistryFile } from './paths.ts'; +import type { ZiranStore } from './store.ts'; + +/** Runtime-enforced defaults when a tile's manifest declares no sync roles. */ +const DEFAULT_MANIFEST: SyncManifest = { + owner: 'author', + roles: { + author: { write: true, admin: true }, + editor: { write: true }, + watcher: { write: false }, + }, +}; + +interface SharedDoc { + /** Path-derived local doc id (changes on move; path is re-derived). */ + localId: string; + /** Stable cross-member channel id. */ + syncId: string; + path: string; + role: string; + manifest: SyncManifest; + /** Seq the tile's persisted state is known to reflect (snapshot point). */ + ackedSeq: number; +} + +interface BufferedFrame { + seq: number; + author: string; + role: string; + b64: string; +} + +interface LiveDoc { + rec: SharedDoc; + session: Session; + /** Decrypted messages past ackedSeq, waiting for (re)attached tiles. */ + buffer: BufferedFrame[]; + lastForwardedSeq: number; + roster: Member[]; +} + +export interface SyncSummary { + identity: { did: string; handle: string }; + at: { signedIn: boolean; handle?: string; did?: string }; + relayOk: boolean; + invitations: Array>; + docs: Record; +} + +export class SyncManager { + did = ''; + handle = ''; + relayUrl = ''; + relayOk = false; + + #store: ZiranStore; + #at?: AtSession; + #devDid = ''; + #devHandle = ''; + #base?: RelaySyncTransport; + #transport?: MlsSyncTransport; + #registry: SharedDoc[] = []; + #live = new Map(); // by localId + #invitations = new Map(); // pending, token → invitation + #dismissed = new Set(); + + constructor(store: ZiranStore) { + this.#store = store; + } + + /* ——— boot ——— */ + + async init(relayUrl: string, at?: AtSession): Promise { + this.relayUrl = relayUrl; + this.#at = at; + if (at) at.onChange = () => this.#reconnect(); + await this.#loadDevIdentity(); + try { + this.#registry = JSON.parse(await Deno.readTextFile(syncRegistryFile())); + } catch { + this.#registry = []; + } + await this.#connect(); + } + + /** Signed in → the real AT identity; otherwise the local dev identity. */ + #applyIdentity(): void { + if (this.#at?.signedIn) { + this.did = this.#at.did!; + this.handle = this.#at.handle ?? this.#at.did!; + } else { + this.did = this.#devDid; + this.handle = this.#devHandle; + } + } + + async #connect(): Promise { + this.#applyIdentity(); + const relayDid = Deno.env.get('ZIRAN_RELAY_DID') ?? 'did:web:relay.ziran.space'; + const base = new RelaySyncTransport({ + url: this.relayUrl, + did: this.did, + handle: this.handle, + // Signed in: a service-auth JWT minted by the user's own PDS. Dev + // identity: an HMAC token under the relay's shared dev secret. + token: () => + this.#at?.signedIn + ? this.#at.relayToken(relayDid) + : new DevVerifier(Deno.env.get('ZIRAN_RELAY_SECRET') ?? 'dev-secret').mint(this.did), + manifestFor: (syncId) => this.#registry.find((r) => r.syncId === syncId)?.manifest, + }); + this.#base = base; + const relayDir = new RelayKeyPackageDirectory(base); + // KeyPackage discovery prefers the invitee's own PDS record (works + // across relays, survives relay resets); the relay directory is the + // fallback and the home of dev identities. + const directory: KeyPackageDirectory = { + publish: async (did, kp) => { + await relayDir.publish(did, kp); + if (this.#at?.signedIn) { + await this.#at.publishKeyPackage(toB64(kp)).catch((err) => + console.warn('sync: could not publish KeyPackage to PDS:', (err as Error).message) + ); + } + }, + fetch: async (did) => { + const pds = await fetchPdsKeyPackage(did); + if (pds) return fromB64(pds); + return relayDir.fetch(did); + }, + }; + this.#transport = new MlsSyncTransport({ + base, + did: this.did, + directory, + groupStore: { + load: async (syncId) => { + try { + return await Deno.readFile(join(groupsDir(), `${syncId}.bin`)); + } catch { + return null; + } + }, + save: async (syncId, state) => { + const tmp = join(groupsDir(), `.${syncId}.tmp`); + await Deno.writeFile(tmp, state); + await Deno.rename(tmp, join(groupsDir(), `${syncId}.bin`)); + }, + }, + }); + + try { + await this.#transport.register(); + this.relayOk = true; + this.#watchInbox(); + // Rejoin every registered shared doc so offline edits flow both ways + // even before its window opens. Docs shared under a different identity + // than the current one fail membership and are skipped with a warning. + for (const rec of this.#registry) { + await this.#rejoin(rec).catch((err) => + console.warn(`sync: could not rejoin ${rec.path}:`, (err as Error).message) + ); + } + } catch (err) { + this.relayOk = false; + console.warn('sync: relay unreachable, collaboration paused:', (err as Error).message); + } + this.#store.broadcast(); + } + + /** Tear down and rebuild the transport under the (new) current identity. */ + async #reconnect(): Promise { + this.#base?.close(); + this.#live.clear(); + this.#invitations.clear(); + this.relayOk = false; + await this.#connect(); + } + + async #loadDevIdentity(): Promise { + const envDid = Deno.env.get('ZIRAN_DID'); + const envHandle = Deno.env.get('ZIRAN_HANDLE'); + try { + const saved = JSON.parse(await Deno.readTextFile(identityFile())); + this.#devDid = envDid ?? saved.did; + this.#devHandle = envHandle ?? saved.handle; + } catch { + this.#devDid = envDid ?? + `did:ziran:${[...crypto.getRandomValues(new Uint8Array(6))].map((b) => b.toString(16).padStart(2, '0')).join('')}`; + this.#devHandle = envHandle ?? `${Deno.env.get('USER') ?? 'someone'}.ziran.local`; + } + await Deno.writeTextFile(identityFile(), JSON.stringify({ did: this.#devDid, handle: this.#devHandle })); + } + + async #persistRegistry(): Promise { + await Deno.writeTextFile(syncRegistryFile(), JSON.stringify(this.#registry, null, 2)); + } + + /* ——— inbox ——— */ + + #watchInbox(): void { + const transport = this.#transport!; + (async () => { + for await (const inv of transport.inbox()) { + if (this.#transport !== transport) break; // identity switched; stale loop + if (this.#dismissed.has(inv.token)) continue; + // Already a member (or our own doc)? Then this invite is stale. + if (this.#registry.some((r) => r.syncId === inv.docId)) continue; + this.#invitations.set(inv.token, inv); + this.#store.broadcast(); + } + })().catch(() => {}); + } + + /* ——— doc lookup ——— */ + + byLocal(localId: string): SharedDoc | undefined { + return this.#registry.find((r) => r.localId === localId); + } + + /** Doc ids are path-derived, so a file move re-keys the registry entry + (called via the store's move hook). */ + moved(oldId: string, newId: string, newPath: string): void { + const rec = this.#registry.find((r) => r.localId === oldId); + if (!rec) return; + const live = this.#live.get(oldId); + rec.localId = newId; + rec.path = newPath; + if (live) { + this.#live.delete(oldId); + this.#live.set(newId, live); + } + this.#persistRegistry().catch(() => {}); + } + + /* ——— sharing ——— */ + + /** Start sharing an open document: create the sync channel, join it, and + upload the initial snapshot (the tile file itself). */ + async share(localId: string): Promise { + this.#requireRelay(); + const doc = this.#store.doc(localId); + if (!doc) throw new Error('document is not open'); + const byPath = this.#registry.find((r) => r.path === doc.info.path); + if (byPath && byPath.localId !== localId) this.moved(byPath.localId, localId, doc.info.path); + const existing = this.byLocal(localId); + if (existing) return existing; + + const manifest = (doc.tile.manifest as { sync?: { roles?: SyncManifest['roles']; owner?: string } }).sync; + const rec: SharedDoc = { + localId, + syncId: crypto.randomUUID().replace(/-/g, ''), + path: doc.info.path, + role: '', + manifest: manifest?.roles + ? { owner: manifest.owner ?? Object.keys(manifest.roles)[0]!, roles: manifest.roles } + : DEFAULT_MANIFEST, + ackedSeq: 0, + }; + rec.role = rec.manifest.owner; + this.#registry.push(rec); + await this.#persistRegistry(); + await this.#join(rec, 0); + // Initial snapshot so the very first invitee downloads-then-syncs. + await this.uploadSnapshot(rec); + this.#store.broadcast(); + return rec; + } + + async #rejoin(rec: SharedDoc): Promise { + const restored = await this.#transport!.restoreGroup(rec.syncId); + if (!restored) throw new Error('no persisted group state'); + await this.#join(rec, rec.ackedSeq); + } + + async #join(rec: SharedDoc, sinceSeq: number): Promise { + const session = await this.#transport!.join(rec.syncId, { sinceSeq }); + const live: LiveDoc = { rec, session, buffer: [], lastForwardedSeq: sinceSeq, roster: session.roster() }; + this.#live.set(rec.localId, live); + session.onMessage((m) => { + live.lastForwardedSeq = Math.max(live.lastForwardedSeq, m.seq); + const frame = { seq: m.seq, author: m.author, role: m.role, b64: toB64(m.bytes) }; + live.buffer.push(frame); + this.#store.broadcastEvent({ type: 'sync-msg', docId: rec.localId, ...frame }); + }); + session.onEphemeral((m) => { + this.#store.broadcastEvent({ + type: 'sync-eph', + docId: rec.localId, + author: m.author, + role: m.role, + b64: toB64(m.bytes), + }); + }); + session.onRoster((roster) => { + live.roster = roster; + this.#store.broadcastEvent({ type: 'sync-roster', docId: rec.localId, roster }); + this.#store.broadcast(); // membership shows in panel + banner state + }); + // A tile already open when its doc goes live must hear 'ready' without + // re-announcing itself. + this.#store.broadcastEvent({ type: 'sync-ready', docId: rec.localId, me: session.me, roster: live.roster }); + } + + /* ——— invitations out ——— */ + + async invite(localId: string, identifier: string, role: string): Promise<{ invitation: Invitation; link: string }> { + this.#requireRelay(); + const rec = this.byLocal(localId) ?? (await this.share(localId)); + if (!rec.manifest.roles[role]) throw new Error(`this document has no “${role}” role`); + // Handles resolve to DIDs (with backlink verification); dev DIDs and + // real DIDs pass through as-is. + let inviteeDid = identifier.trim(); + if (!inviteeDid.startsWith('did:')) { + inviteeDid = (await resolveIdentity(inviteeDid)).did; + } + if (inviteeDid === this.did) throw new Error('that is your own identity'); + const doc = this.#store.doc(localId); + const invitation = await this.#transport!.invite(rec.syncId, inviteeDid, role, doc?.info.name); + // Snapshot AFTER the add-commit: the invitee joins at the post-add epoch + // and can only decrypt a snapshot encrypted at (or after) that epoch. + await this.uploadSnapshot(rec); + this.#store.broadcast(); + return { invitation, link: this.inviteLink(invitation.token) }; + } + + inviteLink(token: string): string { + // ws://host:port/ws → http://host:port/i/ + return this.relayUrl.replace(/^ws/, 'http').replace(/\/ws$/, '') + `/i/${token}`; + } + + /* ——— invitations in ——— */ + + async accept(token: string): Promise<{ path: string }> { + this.#requireRelay(); + const inv = this.#invitations.get(token) ?? (await this.#base!.getInvite(token)) ?? undefined; + if (!inv) throw new Error('invitation not found — it may have been withdrawn'); + // Download-then-sync: the snapshot IS the tile file; verify + open happens + // through the normal engine path once we write it into documents/. + const result = await this.#transport!.accept(token); + if (!result.snapshot) throw new Error('the document snapshot is missing — ask for a fresh invitation'); + const stem = (inv.title || 'shared').replace(/[^\w.-]+/g, '-').replace(/^-+|-+$/g, '') || 'shared'; + let path = join(documentsDir(), `${stem}.tile`); + try { + await Deno.stat(path); + path = join(documentsDir(), `${stem}-${token.slice(0, 6)}.tile`); + } catch { + // free name + } + await Deno.writeFile(path, result.snapshot); + const rec: SharedDoc = { + localId: '', // set after openPath derives it + syncId: result.docId, + path, + role: result.role, + manifest: DEFAULT_MANIFEST, // relay enforces; local copy is advisory + ackedSeq: result.atSeq, + }; + this.#invitations.delete(token); + this.#dismissed.add(token); + // openPath verifies CIDs and registers recents; its id keys our registry. + const info = await this.#store.openPath(path); + rec.localId = info.id; + this.#registry.push(rec); + await this.#persistRegistry(); + await this.#join(rec, result.atSeq); + this.#store.broadcast(); + return { path }; + } + + dismiss(token: string): void { + this.#invitations.delete(token); + this.#dismissed.add(token); + this.#store.broadcast(); + } + + /* ——— tile traffic (called from the API on behalf of the UI bridge) ——— */ + + /** Tile (re)announced itself: flush everything past its persisted state. */ + attach(localId: string): { me: Member; roster: Member[]; buffered: BufferedFrame[] } | null { + const live = this.#live.get(localId); + if (!live) return null; + return { + me: live.session.me, + roster: live.roster, + buffered: live.buffer.filter((m) => m.seq > live.rec.ackedSeq), + }; + } + + async send(localId: string, b64: string): Promise { + const live = this.#live.get(localId); + if (!live) throw new Error('document is not in a live session'); + return await live.session.append(fromB64(b64)); + } + + ephemeral(localId: string, b64: string): void { + this.#live.get(localId)?.session.ephemeral(fromB64(b64)); + } + + /** The tile persisted its state (putData): everything forwarded so far is + now reflected in the tile file. Advance the snapshot point, trim the + buffer, and upload the fresh snapshot. */ + async onLocalDataWrite(localId: string): Promise { + const live = this.#live.get(localId); + if (!live) return; + live.rec.ackedSeq = live.lastForwardedSeq; + live.buffer = live.buffer.filter((m) => m.seq > live.rec.ackedSeq); + await this.#persistRegistry(); + await this.uploadSnapshot(live.rec).catch(() => {}); + } + + async uploadSnapshot(rec: SharedDoc): Promise { + const live = this.#live.get(rec.localId); + if (!live) return; + const bytes = await Deno.readFile(rec.path); + await live.session.snapshot(bytes, rec.ackedSeq); + } + + /* ——— state for the UI ——— */ + + summary(): SyncSummary { + const docs: SyncSummary['docs'] = {}; + for (const [localId, live] of this.#live) { + docs[localId] = { + syncId: live.rec.syncId, + role: live.rec.role, + members: live.roster, + inviteBase: this.relayUrl.replace(/^ws/, 'http').replace(/\/ws$/, ''), + }; + } + return { + identity: { did: this.did, handle: this.handle }, + at: this.#at?.signedIn + ? { signedIn: true, handle: this.#at.handle ?? undefined, did: this.#at.did ?? undefined } + : { signedIn: false }, + relayOk: this.relayOk, + invitations: [...this.#invitations.values()].map(({ payload: _p, ...rest }) => rest), + docs, + }; + } + + #requireRelay(): void { + if (!this.relayOk || !this.#transport) { + throw new Error('the relay is unreachable — collaboration is paused'); + } + } +} diff --git a/src/server/tileserver.ts b/src/server/tileserver.ts index e6f8b23..f908f39 100644 --- a/src/server/tileserver.ts +++ b/src/server/tileserver.ts @@ -43,7 +43,7 @@ const TILE_HEADERS: Record = { 'x-robots-tag': 'noai, noimageai', }; -const VENDORED = new Set(['shuttle.js', 'data.js', 'store.js']); +const VENDORED = new Set(['shuttle.js', 'data.js', 'store.js', 'sync.js']); const vendorRoots = [ toFileUrl(join(Deno.cwd(), 'vendor', 'web-tiles')) + '/', new URL('../../vendor/web-tiles/', import.meta.url), diff --git a/src/state/backend.ts b/src/state/backend.ts index d46857d..305b0b9 100644 --- a/src/state/backend.ts +++ b/src/state/backend.ts @@ -2,7 +2,7 @@ // WebSocket with auto-reconnect. All server truth arrives as full state // snapshots; the desk store consumes them. -import type { Bounds, DocInfo, DocWindowRec, ModelEntry, ServerState } from '../types.ts'; +import type { Bounds, DocInfo, DocWindowRec, ModelEntry, ServerState, SyncFrame, SyncMember } from '../types.ts'; export interface OpenResult { doc: DocInfo; @@ -33,6 +33,8 @@ async function post(url: string, body?: unknown): Promise { export const backend = { onState: undefined as ((state: ServerState) => void) | undefined, + /** Non-state events (sync traffic); fan-out to whoever subscribes. */ + events: new EventTarget(), connect(winId: string): void { const ws = new WebSocket(keyed(`ws://${location.host}/api/events?win=${encodeURIComponent(winId)}`)); @@ -40,6 +42,9 @@ export const backend = { try { const msg = JSON.parse(ev.data); if (msg.type === 'state') this.onState?.(msg.state); + else if (typeof msg.type === 'string') { + this.events.dispatchEvent(new CustomEvent(msg.type, { detail: msg })); + } } catch { // ignore malformed frames } @@ -84,6 +89,22 @@ export const backend = { return data as OpenResult; }, + /* ——— collaboration ——— */ + syncShare: (docId: string): Promise => post(`/api/docs/${docId}/sync/share`), + syncInvite: (docId: string, did: string, role: string): Promise<{ link: string }> => + post(`/api/docs/${docId}/sync/invite`, { did, role }), + syncAttach: (docId: string): Promise< + { shared: boolean; me?: SyncMember; roster?: SyncMember[]; buffered?: SyncFrame[] } + > => post(`/api/docs/${docId}/sync/attach`), + syncSend: (docId: string, b64: string): Promise<{ seq: number }> => + post(`/api/docs/${docId}/sync/send`, { b64 }), + syncEphemeral: (docId: string, b64: string): Promise => + post(`/api/docs/${docId}/sync/ephemeral`, { b64 }), + acceptInvitation: (token: string): Promise => post(`/api/invitations/${token}/accept`), + dismissInvitation: (token: string): Promise => post(`/api/invitations/${token}/dismiss`), + atSignIn: (identifier: string): Promise<{ url: string }> => post('/api/at/signin', { identifier }), + atSignOut: (): Promise => post('/api/at/signout'), + loadData: async (docId: string, name: string): Promise => { const res = await fetch(`/api/docs/${docId}/data/${name}`, { headers: authHeaders() }); if (res.status === 404) return null; diff --git a/src/state/desk.ts b/src/state/desk.ts index aedd9d7..e18b576 100644 --- a/src/state/desk.ts +++ b/src/state/desk.ts @@ -3,7 +3,7 @@ // (?win=). The server owns documents, models, recents, AND window // layout; this store mirrors snapshots and forwards actions. -import type { DocInfo, DocWindowRec, ModelEntry, RecentEntry, ServerState } from '../types.ts'; +import type { DocInfo, DocWindowRec, ModelEntry, PendingInvitation, RecentEntry, ServerState, SyncState } from '../types.ts'; import { backend, type OpenResult } from './backend.ts'; class DeskStore extends EventTarget { @@ -14,6 +14,7 @@ class DeskStore extends EventTarget { tileServerPort = 0; desktop = false; connected = false; + sync: SyncState | undefined; /** Which window this page renders. */ winId: string = 'base'; @@ -33,6 +34,7 @@ class DeskStore extends EventTarget { this.windows = state.windows; this.tileServerPort = state.tileServerPort; this.desktop = state.desktop; + this.sync = state.sync; this.connected = true; this.docs = new Map(state.open.map((d) => [d.id, d])); if (this.winId !== 'base') { @@ -254,6 +256,75 @@ class DeskStore extends EventTarget { } } + /* ——— collaboration ——— */ + + /** Live-session info for a doc, if it is shared. */ + syncDoc(docId: string) { + return this.sync?.docs?.[docId]; + } + + async startSharing(docId: string): Promise { + try { + await backend.syncShare(docId); + this.toast('This document is now live — invite people from this panel'); + } catch (err) { + this.toast(`Could not start sharing: ${(err as Error).message}`); + } + } + + /** Returns the share link on success (also toasts it). */ + async invite(docId: string, did: string, role: string): Promise { + try { + const { link } = await backend.syncInvite(docId, did, role); + try { + await navigator.clipboard.writeText(link); + this.toast('Invitation sent — share link copied to your clipboard'); + } catch { + this.toast(`Invitation sent — share link: ${link}`); + } + return link; + } catch (err) { + this.toast(`Could not invite: ${(err as Error).message}`); + return undefined; + } + } + + async acceptInvitation(inv: PendingInvitation): Promise { + try { + // Download first, verify, then the window opens on the live session. + this.handleOpened(await backend.acceptInvitation(inv.token)); + this.toast(`“${inv.title}” is yours now — synced live with the others`); + } catch (err) { + this.toast(`Could not accept: ${(err as Error).message}`); + } + } + + async dismissInvitation(inv: PendingInvitation): Promise { + try { + await backend.dismissInvitation(inv.token); + } catch (err) { + this.toast((err as Error).message); + } + } + + async atSignIn(identifier: string): Promise { + try { + await backend.atSignIn(identifier); + this.toast('Continue in your browser — Ziran opened your sign-in page'); + } catch (err) { + this.toast(`Could not start sign-in: ${(err as Error).message}`); + } + } + + async atSignOut(): Promise { + try { + await backend.atSignOut(); + this.toast('Signed out — back to this machine’s local identity'); + } catch (err) { + this.toast((err as Error).message); + } + } + toast(message: string) { this.dispatchEvent(new CustomEvent('toast', { detail: message })); } diff --git a/src/sync/atproto.test.ts b/src/sync/atproto.test.ts new file mode 100644 index 0000000..8fc73b8 --- /dev/null +++ b/src/sync/atproto.test.ts @@ -0,0 +1,151 @@ +// Offline verification of the atproto identity layer: multikey round-trips, +// identifier normalization, service-auth JWT mint/verify against synthetic +// DID documents on all three curves, tamper/expiry/audience rejection, and +// the relay's composite door (dev HMAC + atproto JWT side by side). +// Run: deno run -A src/sync/atproto.test.ts + +import { ed25519 } from '@noble/curves/ed25519.js'; +import { p256 } from '@noble/curves/nist.js'; +import { secp256k1 } from '@noble/curves/secp256k1.js'; +import { + type AtCurve, + type DidDocument, + encodeMultikey, + decodeMultikey, + mintServiceAuthJwt, + normalizeIdentifier, + verifyServiceAuthJwt, +} from './atproto.ts'; +import { AtprotoVerifier, CompositeVerifier, DevVerifier, RELAY_LXM } from '../../relay/auth.ts'; +import { startRelay } from '../../relay/main.ts'; + +let failures = 0; +const check = (label: string, ok: boolean, detail = '') => { + console.log(`${ok ? 'PASS' : 'FAIL'} ${label}${detail ? ` — ${detail}` : ''}`); + if (!ok) failures++; +}; + +/* ——— identifier normalization ——— */ +check('normalizes @handle', normalizeIdentifier('@Robin.Berjon.com').value === 'robin.berjon.com'); +check('normalizes at:// form', normalizeIdentifier('at://robin.berjon.com').kind === 'handle'); +check('accepts did:plc', normalizeIdentifier('did:plc:abc123').kind === 'did'); +check('rejects garbage', (() => { + try { + normalizeIdentifier('not a handle!'); + return false; + } catch { + return true; + } +})()); + +/* ——— multikey round-trip ——— */ +const edPriv = ed25519.utils.randomSecretKey(); +const edPub = ed25519.getPublicKey(edPriv); +const mk = encodeMultikey('ed25519', edPub); +const decoded = decodeMultikey(mk); +check('multikey round-trips', decoded.curve === 'ed25519' && decoded.keyBytes.every((b, i) => b === edPub[i])); + +/* ——— service-auth on all three curves ——— */ +const RELAY_DID = 'did:web:ziran.space'; + +function makeIdentity(curve: AtCurve): { did: string; doc: DidDocument; secret: Uint8Array } { + let secret: Uint8Array, pub: Uint8Array; + if (curve === 'ed25519') { + secret = ed25519.utils.randomSecretKey(); + pub = ed25519.getPublicKey(secret); + } else if (curve === 'p256') { + secret = p256.utils.randomSecretKey(); + pub = p256.getPublicKey(secret, true); + } else { + secret = secp256k1.utils.randomSecretKey(); + pub = secp256k1.getPublicKey(secret, true); + } + const did = `did:plc:test${curve}`; + const doc: DidDocument = { + id: did, + alsoKnownAs: [`at://${curve}.test`], + verificationMethod: [{ id: `${did}#atproto`, type: 'Multikey', publicKeyMultibase: encodeMultikey(curve, pub) }], + service: [{ id: '#atproto_pds', type: 'AtprotoPersonalDataServer', serviceEndpoint: 'https://pds.test' }], + }; + return { did, doc, secret }; +} + +const identities = new Map(); +const resolveDid = (did: string) => { + const doc = identities.get(did); + return doc ? Promise.resolve(doc) : Promise.reject(new Error(`unknown ${did}`)); +}; + +for (const curve of ['ed25519', 'p256', 'secp256k1'] as AtCurve[]) { + const id = makeIdentity(curve); + identities.set(id.did, id.doc); + const token = mintServiceAuthJwt( + { iss: id.did, aud: RELAY_DID, exp: Math.floor(Date.now() / 1000) + 60, lxm: RELAY_LXM }, + curve, + id.secret, + ); + const verified = await verifyServiceAuthJwt(token, { aud: RELAY_DID, lxm: RELAY_LXM, resolveDid }) + .catch((e) => `ERR:${e.message}`); + check(`${curve} service-auth JWT verifies`, verified === id.did, String(verified)); +} + +/* ——— rejection paths ——— */ +const alice = makeIdentity('secp256k1'); +identities.set(alice.did, alice.doc); +const good = () => ({ iss: alice.did, aud: RELAY_DID, exp: Math.floor(Date.now() / 1000) + 60, lxm: RELAY_LXM }); + +const expired = mintServiceAuthJwt({ ...good(), exp: Math.floor(Date.now() / 1000) - 120 }, 'secp256k1', alice.secret); +check('expired token rejected', await verifyServiceAuthJwt(expired, { aud: RELAY_DID, resolveDid }).then(() => false, () => true)); + +const wrongAud = mintServiceAuthJwt({ ...good(), aud: 'did:web:evil.example' }, 'secp256k1', alice.secret); +check('wrong-audience token rejected', await verifyServiceAuthJwt(wrongAud, { aud: RELAY_DID, resolveDid }).then(() => false, () => true)); + +const wrongLxm = mintServiceAuthJwt({ ...good(), lxm: 'com.example.other' }, 'secp256k1', alice.secret); +check('wrong-lxm token rejected', await verifyServiceAuthJwt(wrongLxm, { aud: RELAY_DID, lxm: RELAY_LXM, resolveDid }).then(() => false, () => true)); + +const mallory = makeIdentity('secp256k1'); // not in the directory-of-record +const forged = mintServiceAuthJwt(good(), 'secp256k1', mallory.secret); // alice's iss, mallory's key +check('forged signature rejected', await verifyServiceAuthJwt(forged, { aud: RELAY_DID, resolveDid }).then(() => false, () => true)); + +const tampered = (() => { + const t = mintServiceAuthJwt(good(), 'secp256k1', alice.secret).split('.'); + const payload = JSON.parse(atob(t[1]!.replace(/-/g, '+').replace(/_/g, '/'))); + payload.iss = 'did:plc:someoneelse'; + identities.set('did:plc:someoneelse', alice.doc); + t[1] = btoa(JSON.stringify(payload)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, ''); + return t.join('.'); +})(); +check('tampered payload rejected', await verifyServiceAuthJwt(tampered, { aud: RELAY_DID, resolveDid }).then(() => false, () => true)); + +/* ——— the composite relay door ——— */ +const dataDir = await Deno.makeTempDir({ prefix: 'ziran-at-' }); +const atVerifier = new AtprotoVerifier(RELAY_DID, resolveDid); +const composite = new CompositeVerifier(atVerifier, new DevVerifier('at-test-secret')); +const relay = await startRelay({ port: 0, dataDir, verifier: composite }); + +async function tryConnect(token: string): Promise { + const ws = new WebSocket(`ws://127.0.0.1:${relay.port}/ws?token=${encodeURIComponent(token)}`); + return await new Promise((resolve) => { + ws.addEventListener('open', () => { + ws.close(); + resolve(true); + }); + ws.addEventListener('error', () => resolve(false)); + }); +} + +const atToken = mintServiceAuthJwt(good(), 'secp256k1', alice.secret); +check('relay admits a valid atproto service-auth JWT', await tryConnect(atToken)); +check('relay admits a dev HMAC token', await tryConnect(await new DevVerifier('at-test-secret').mint('did:ziran:dev'))); +check('relay refuses a forged JWT', !(await tryConnect(mintServiceAuthJwt(good(), 'secp256k1', mallory.secret)))); +check('relay refuses garbage', !(await tryConnect('nope'))); + +relay.shutdown(); +await new Promise((r) => setTimeout(r, 100)); +await Deno.remove(dataDir, { recursive: true }).catch(() => {}); + +if (failures) { + console.error(`\n${failures} failure(s)`); + Deno.exit(1); +} +console.log('\natproto identity layer: all good'); diff --git a/src/sync/atproto.ts b/src/sync/atproto.ts new file mode 100644 index 0000000..5984f0d --- /dev/null +++ b/src/sync/atproto.ts @@ -0,0 +1,304 @@ +// atproto identity utilities: handle/DID resolution, Multikey decoding, and +// service-auth JWT mint/verify. Adapted from matey's SDK-free client modules +// (~/Code/robin.berjon.com/matey — same author, same conventions), trimmed to +// what ziran needs and made fetch-injectable for offline tests. +// +// The service-auth JWT is atproto's inter-service credential: a ~60s compact +// JWS signed by the *user's* repo signing key (the `#atproto` verification +// method in their DID document). Anyone can verify one by resolving the DID +// document — no shared secret, no OAuth infrastructure at the verifier. + +import { ed25519 } from '@noble/curves/ed25519.js'; +import { p256 } from '@noble/curves/nist.js'; +import { secp256k1 } from '@noble/curves/secp256k1.js'; +import { base58 } from '@scure/base'; + +export const DEFAULT_HANDLE_RESOLVER = 'https://public.api.bsky.app'; +export const DEFAULT_PLC_DIRECTORY = 'https://plc.directory'; + +export interface DidService { + id: string; + type: string; + serviceEndpoint: unknown; +} + +export interface DidVerificationMethod { + id: string; + type: string; + controller?: string; + publicKeyMultibase?: string; +} + +export interface DidDocument { + id: string; + alsoKnownAs?: string[]; + verificationMethod?: DidVerificationMethod[]; + service?: DidService[]; +} + +export interface ResolverOptions { + fetch?: typeof fetch; + handleResolver?: string; + plcDirectory?: string; +} + +export interface AtIdentity { + did: string; + document: DidDocument; + handle: string | null; + pds: string | null; +} + +const strip = (s: string) => s.replace(/\/+$/, ''); + +/** Normalize user input: `@handle`, `at://handle`, `handle`, or a DID. */ +export function normalizeIdentifier(input: string): { kind: 'did' | 'handle'; value: string } { + let s = input.trim().toLowerCase(); + if (s.startsWith('at://')) s = s.slice(5); + if (s.startsWith('@')) s = s.slice(1); + if (s.startsWith('did:')) { + if (!/^did:(plc|web):[a-z0-9._:%-]+$/.test(s)) throw new Error(`unsupported DID: ${s}`); + return { kind: 'did', value: s }; + } + if (!/^([a-z0-9]([a-z0-9-]*[a-z0-9])?\.)+[a-z]([a-z0-9-]*[a-z0-9])?$/.test(s)) { + throw new Error(`“${input}” is not a handle or DID`); + } + return { kind: 'handle', value: s }; +} + +async function fetchJson(f: typeof fetch, url: string): Promise<{ status: number; json: unknown }> { + const res = await f(url, { headers: { accept: 'application/json' } }); + let json: unknown = null; + try { + json = await res.json(); + } catch { + // non-JSON body + } + return { status: res.status, json }; +} + +export async function resolveHandle(handle: string, opts: ResolverOptions = {}): Promise { + const f = opts.fetch ?? fetch; + const base = strip(opts.handleResolver ?? DEFAULT_HANDLE_RESOLVER); + const { status, json } = await fetchJson( + f, + `${base}/xrpc/com.atproto.identity.resolveHandle?handle=${encodeURIComponent(handle)}`, + ); + const did = (json as Record | null)?.did; + if (status !== 200 || typeof did !== 'string') { + throw new Error(`could not resolve handle ${handle} (HTTP ${status})`); + } + return did; +} + +export async function resolveDidDocument(did: string, opts: ResolverOptions = {}): Promise { + const f = opts.fetch ?? fetch; + let url: string; + if (did.startsWith('did:plc:')) { + url = `${strip(opts.plcDirectory ?? DEFAULT_PLC_DIRECTORY)}/${did}`; + } else if (did.startsWith('did:web:')) { + const host = decodeURIComponent(did.slice('did:web:'.length)); + if (host.includes('/') || host.includes('?') || host.includes('#')) { + throw new Error('atproto did:web identifiers are hostname-only'); + } + url = `https://${host}/.well-known/did.json`; + } else { + throw new Error(`unsupported DID method: ${did}`); + } + const { status, json } = await fetchJson(f, url); + if (status !== 200 || json === null || typeof json !== 'object') { + throw new Error(`could not resolve ${did} (HTTP ${status})`); + } + const doc = json as DidDocument; + if (doc.id !== did) throw new Error(`DID document id ${doc.id} does not match ${did}`); + return doc; +} + +export function handleFromDocument(doc: DidDocument): string | null { + for (const aka of doc.alsoKnownAs ?? []) { + if (aka.startsWith('at://')) { + const rest = aka.slice(5); + if (rest.length > 0 && !rest.includes('/')) return rest; + } + } + return null; +} + +export function pdsFromDocument(doc: DidDocument): string | null { + for (const svc of doc.service ?? []) { + const id = svc.id.startsWith('#') ? svc.id : `#${svc.id.split('#')[1] ?? ''}`; + if (id === '#atproto_pds' && svc.type === 'AtprotoPersonalDataServer') { + return typeof svc.serviceEndpoint === 'string' ? svc.serviceEndpoint : null; + } + } + return null; +} + +/** Resolve a handle or DID to a full identity, with backlink verification + when starting from a handle. */ +export async function resolveIdentity(identifier: string, opts: ResolverOptions = {}): Promise { + const norm = normalizeIdentifier(identifier); + const did = norm.kind === 'did' ? norm.value : await resolveHandle(norm.value, opts); + const document = await resolveDidDocument(did, opts); + const declared = handleFromDocument(document); + if (norm.kind === 'handle' && declared !== norm.value) { + throw new Error( + `handle verification failed: ${norm.value} resolved to ${did}, whose document declares ${declared ?? 'no handle'}`, + ); + } + return { did, document, handle: declared, pds: pdsFromDocument(document) }; +} + +/* ——— Multikey (did:key material in DID documents) ——— */ + +export type AtCurve = 'ed25519' | 'p256' | 'secp256k1'; + +const PREFIXES: Record = { + ed25519: new Uint8Array([0xed, 0x01]), + p256: new Uint8Array([0x80, 0x24]), + secp256k1: new Uint8Array([0xe7, 0x01]), +}; +const KEY_LENGTHS: Record = { ed25519: 32, p256: 33, secp256k1: 33 }; + +export function decodeMultikey(multibase: string): { curve: AtCurve; keyBytes: Uint8Array } { + if (!multibase.startsWith('z')) throw new Error('expected base58btc multibase (z…)'); + const bytes = base58.decode(multibase.slice(1)); + for (const curve of Object.keys(PREFIXES) as AtCurve[]) { + const prefix = PREFIXES[curve]; + if (bytes.length === prefix.length + KEY_LENGTHS[curve] && prefix.every((b, i) => bytes[i] === b)) { + return { curve, keyBytes: bytes.slice(prefix.length) }; + } + } + throw new Error('unsupported or malformed Multikey'); +} + +export function encodeMultikey(curve: AtCurve, keyBytes: Uint8Array): string { + const prefix = PREFIXES[curve]; + if (keyBytes.length !== KEY_LENGTHS[curve]) { + throw new Error(`bad ${curve} key length ${keyBytes.length}`); + } + const joined = new Uint8Array(prefix.length + keyBytes.length); + joined.set(prefix, 0); + joined.set(keyBytes, prefix.length); + return `z${base58.encode(joined)}`; +} + +/** The repo signing key (`#atproto` verification method) from a DID doc. */ +export function atprotoSigningKey(doc: DidDocument): { curve: AtCurve; keyBytes: Uint8Array } { + for (const vm of doc.verificationMethod ?? []) { + const id = vm.id.startsWith('#') ? vm.id : `#${vm.id.split('#')[1] ?? ''}`; + if (id === '#atproto' && vm.publicKeyMultibase) return decodeMultikey(vm.publicKeyMultibase); + } + throw new Error('DID document has no #atproto signing key'); +} + +/* ——— service-auth JWTs ——— */ + +const te = new TextEncoder(); +const td = new TextDecoder(); + +function b64urlEncode(bytes: Uint8Array): string { + let bin = ''; + for (const b of bytes) bin += String.fromCharCode(b); + return btoa(bin).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, ''); +} +function b64urlDecode(s: string): Uint8Array { + const pad = s.replace(/-/g, '+').replace(/_/g, '/'); + const bin = atob(pad + '='.repeat((4 - (pad.length % 4)) % 4)); + const out = new Uint8Array(bin.length); + for (let i = 0; i < bin.length; i++) out[i] = bin.charCodeAt(i); + return out; +} +const b64urlJson = (obj: unknown) => b64urlEncode(te.encode(JSON.stringify(obj))); + +export interface ServiceAuthClaims { + iss: string; + aud: string; + exp: number; + lxm?: string; + jti?: string; +} + +const ALG_FOR_CURVE: Record = { ed25519: 'EdDSA', p256: 'ES256', secp256k1: 'ES256K' }; + +/** Verify a compact-JWS signature against a raw public key. ECDSA signatures + are the JOSE 64-byte r||s form; `lowS: false` because JWA does not require + low-S canonicalization and other stacks emit high-S. */ +export function verifyJwsSignature( + curve: AtCurve, + publicKey: Uint8Array, + signingInput: Uint8Array, + signature: Uint8Array, +): boolean { + switch (curve) { + case 'ed25519': + return ed25519.verify(signature, signingInput, publicKey); + case 'p256': + return p256.verify(signature, signingInput, publicKey, { prehash: true, lowS: false, format: 'compact' }); + case 'secp256k1': + return secp256k1.verify(signature, signingInput, publicKey, { prehash: true, lowS: false, format: 'compact' }); + } +} + +/** Mint a service-auth JWT with a raw signing key. Production tokens come + from the user's PDS (`com.atproto.server.getServiceAuth`); this local + minting exists for tests and for dev identities that own their keys. */ +export function mintServiceAuthJwt( + claims: ServiceAuthClaims, + curve: AtCurve, + secretKey: Uint8Array, +): string { + const h = b64urlJson({ typ: 'JWT', alg: ALG_FOR_CURVE[curve] }); + const p = b64urlJson({ jti: crypto.randomUUID().replace(/-/g, ''), ...claims }); + const input = te.encode(`${h}.${p}`); + let sig: Uint8Array; + switch (curve) { + case 'ed25519': + sig = ed25519.sign(input, secretKey); + break; + case 'p256': + sig = p256.sign(input, secretKey, { prehash: true, lowS: true, format: 'compact' }); + break; + case 'secp256k1': + sig = secp256k1.sign(input, secretKey, { prehash: true, lowS: true, format: 'compact' }); + break; + } + return `${h}.${p}.${b64urlEncode(sig)}`; +} + +export interface VerifyServiceAuthOptions { + /** The service DID this token must be addressed to. */ + aud: string; + /** Required lxm (method binding), if the service enforces one. */ + lxm?: string; + /** DID document lookup; defaults to network resolution. */ + resolveDid?: (did: string) => Promise; + /** Clock skew allowance in seconds. */ + skew?: number; +} + +/** Verify a service-auth JWT end to end: shape, expiry, audience, optional + lxm, and the signature against the issuer's resolved `#atproto` key. + Returns the issuer DID. */ +export async function verifyServiceAuthJwt(token: string, opts: VerifyServiceAuthOptions): Promise { + const parts = token.split('.'); + if (parts.length !== 3) throw new Error('not a compact JWS'); + const [h, p, s] = parts as [string, string, string]; + const header = JSON.parse(td.decode(b64urlDecode(h))) as Record; + const payload = JSON.parse(td.decode(b64urlDecode(p))) as Record; + const iss = payload.iss; + if (typeof iss !== 'string' || !iss.startsWith('did:')) throw new Error('missing iss'); + if (payload.aud !== opts.aud) throw new Error('token is for a different service'); + const exp = payload.exp; + if (typeof exp !== 'number' || exp * 1000 < Date.now() - (opts.skew ?? 30) * 1000) { + throw new Error('token expired'); + } + if (opts.lxm !== undefined && payload.lxm !== opts.lxm) throw new Error('token bound to a different method'); + + const doc = await (opts.resolveDid ?? ((did: string) => resolveDidDocument(did)))(iss); + const { curve, keyBytes } = atprotoSigningKey(doc); + if (header.alg !== ALG_FOR_CURVE[curve]) throw new Error(`alg ${header.alg} does not match the ${curve} key`); + const ok = verifyJwsSignature(curve, keyBytes, te.encode(`${h}.${p}`), b64urlDecode(s)); + if (!ok) throw new Error('bad signature'); + return iss; +} diff --git a/src/sync/e2e.test.ts b/src/sync/e2e.test.ts new file mode 100644 index 0000000..c51c2b6 --- /dev/null +++ b/src/sync/e2e.test.ts @@ -0,0 +1,199 @@ +// Two full Ziran runtimes + one relay, driven over their real HTTP APIs: +// Alice creates a checklist, goes live, invites Bob; Bob sees the invitation +// in his base window state, accepts (download-then-sync), and ops flow both +// ways end-to-end encrypted — the relay log stays ciphertext. +// Run: deno run -A src/sync/e2e.test.ts + +import { join } from '@std/path'; +import { startRelay } from '../../relay/main.ts'; +import { DevVerifier } from '../../relay/auth.ts'; +import { toB64 } from './protocol.ts'; + +let failures = 0; +const check = (label: string, ok: boolean, detail = '') => { + console.log(`${ok ? 'PASS' : 'FAIL'} ${label}${detail ? ` — ${detail}` : ''}`); + if (!ok) failures++; +}; +const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms)); +const enc = (s: string) => new TextEncoder().encode(s); +const dec = (b: Uint8Array) => new TextDecoder().decode(b); + +const tmp = await Deno.makeTempDir({ prefix: 'ziran-e2e-' }); +const relayData = join(tmp, 'relay'); +const relay = await startRelay({ port: 0, dataDir: relayData, verifier: new DevVerifier('e2e-secret') }); +const relayUrl = `ws://127.0.0.1:${relay.port}/ws`; + +interface App { + port: number; + key: string; + child: Deno.ChildProcess; +} + +async function startApp(name: string, did: string, port: number): Promise { + const key = `${name}-key`; + const child = new Deno.Command(Deno.execPath(), { + args: ['run', '-A', 'main.ts'], + env: { + ZIRAN_DATA_DIR: join(tmp, name), + ZIRAN_KEY: key, + ZIRAN_PORT: String(port), + ZIRAN_DID: did, + ZIRAN_HANDLE: `${name}.test`, + ZIRAN_RELAY: relayUrl, + ZIRAN_RELAY_SECRET: 'e2e-secret', + }, + stdout: 'null', + stderr: 'piped', + }).spawn(); + // Wait for the API to come up. + for (let i = 0; i < 60; i++) { + try { + const res = await fetch(`http://127.0.0.1:${port}/api/state`, { headers: { 'x-ziran-key': key } }); + await res.body?.cancel(); + if (res.ok) return { port, key, child }; + } catch { + // not up yet + } + await sleep(250); + } + throw new Error(`${name} did not start`); +} + +const req = async (app: App, path: string, init?: RequestInit) => { + const res = await fetch(`http://127.0.0.1:${app.port}${path}`, { + ...init, + headers: { 'x-ziran-key': app.key, 'content-type': 'application/json', ...(init?.headers ?? {}) }, + }); + const data = await res.json(); + if (!res.ok) throw new Error(data.error ?? `${path} → ${res.status}`); + return data; +}; + +let alice: App | undefined; +let bob: App | undefined; +try { + [alice, bob] = await Promise.all([ + startApp('alice', 'did:ziran:e2e-alice', 4901), + startApp('bob', 'did:ziran:e2e-bob', 4902), + ]); + await sleep(1200); // sync managers register with the relay + + // 1. Both runtimes report the relay as reachable, with their identities. + const aState = await req(alice, '/api/state'); + const bState = await req(bob, '/api/state'); + check('alice runtime is relay-connected', aState.sync?.relayOk === true); + check('bob runtime is relay-connected', bState.sync?.relayOk === true); + check('identities honored', aState.sync?.identity?.did === 'did:ziran:e2e-alice'); + + // 2. Alice creates a checklist from the starter model and goes live. + const checklist = aState.models.find((m: { id: string }) => m.id === 'com.berjon.ziran.checklist'); + check('starter checklist model seeded', Boolean(checklist)); + const opened = await req(alice, '/api/docs/from-model', { + method: 'POST', + body: JSON.stringify({ modelId: checklist.id }), + }); + const aDoc = opened.doc.id as string; + await req(alice, `/api/docs/${aDoc}/sync/share`, { method: 'POST' }); + const aState2 = await req(alice, '/api/state'); + check('document is live for alice', Boolean(aState2.sync?.docs?.[aDoc])); + + // 3. Alice appends an op pre-invite (this lands in the pre-join epoch; Bob + // will get its effect through the snapshot, not the log). + const op1 = { op: 'add', id: 'aaaa1111', text: 'pack the telescope' }; + await req(alice, `/api/docs/${aDoc}/sync/send`, { method: 'POST', body: JSON.stringify({ b64: toB64(enc(JSON.stringify(op1))) }) }); + // Simulate the tile persisting after applying the echo: write items data. + const items = JSON.stringify([{ id: 'aaaa1111', text: 'pack the telescope', done: false }]); + await fetch(`http://127.0.0.1:${alice.port}/api/docs/${aDoc}/data/items`, { + method: 'PUT', + headers: { 'x-ziran-key': alice.key }, + body: enc(items), + }); + await sleep(300); + + // 4. Invite Bob. + const invited = await req(alice, `/api/docs/${aDoc}/sync/invite`, { + method: 'POST', + body: JSON.stringify({ did: 'did:ziran:e2e-bob', role: 'editor' }), + }); + check('invite returns a share link', typeof invited.link === 'string' && invited.link.includes('/i/')); + + // 5. The landing page renders for the link. + const landing = await (await fetch(invited.link)).text(); + check('landing page names the document', landing.includes('invited') && landing.includes('ziran://invite/')); + + // 6. Bob's runtime received the invitation (inbox → state snapshot). + await sleep(500); + const bState2 = await req(bob, '/api/state'); + const inv = bState2.sync?.invitations?.[0]; + check('invitation lands in bob’s base window state', Boolean(inv), JSON.stringify(bState2.sync?.invitations)); + check('invitation carries inviter + role', inv?.inviterHandle === 'alice.test' && inv?.role === 'editor'); + check('invitation does not leak the MLS welcome', !('payload' in (inv ?? { payload: 1 }))); + + // 7. Bob accepts: download-then-sync, document opens in a window. + const accepted = await req(bob, `/api/invitations/${inv.token}/accept`, { method: 'POST' }); + const bDoc = accepted.doc.id as string; + check('accept opens a verified document', accepted.doc.damaged === false, accepted.doc.damage); + check('accept created a window', Boolean(accepted.win?.id)); + + // 8. Bob's copy contains alice's pre-invite state (via the snapshot). + const bItems = await fetch(`http://127.0.0.1:${bob.port}/api/docs/${bDoc}/data/items`, { + headers: { 'x-ziran-key': bob.key }, + }); + const bItemsText = bItems.ok ? dec(new Uint8Array(await bItems.arrayBuffer())) : ''; + check('bob’s download carries the pre-invite item', bItemsText.includes('pack the telescope')); + + // 9. Live ops flow alice → bob. + const op2 = { op: 'add', id: 'bbbb2222', text: 'find dark skies' }; + await req(alice, `/api/docs/${aDoc}/sync/send`, { method: 'POST', body: JSON.stringify({ b64: toB64(enc(JSON.stringify(op2))) }) }); + await sleep(400); + const bAttach = await req(bob, `/api/docs/${bDoc}/sync/attach`, { method: 'POST' }); + check('bob is attached to the live session', bAttach.shared === true); + const bGot = (bAttach.buffered ?? []).some((m: { b64: string }) => dec(Uint8Array.from(atob(m.b64.replace(/-/g, '+').replace(/_/g, '/')), (c) => c.charCodeAt(0))).includes('find dark skies')); + check('alice’s live op reaches bob decrypted', bGot); + + // 10. And bob → alice. + const op3 = { op: 'set', id: 'aaaa1111', done: true }; + await req(bob, `/api/docs/${bDoc}/sync/send`, { method: 'POST', body: JSON.stringify({ b64: toB64(enc(JSON.stringify(op3))) }) }); + await sleep(400); + const aAttach = await req(alice, `/api/docs/${aDoc}/sync/attach`, { method: 'POST' }); + const aGot = (aAttach.buffered ?? []).some((m: { b64: string; author: string }) => m.author === 'did:ziran:e2e-bob'); + check('bob’s op reaches alice, attributed to bob', aGot); + + // 11. Roster shows both members on both sides. + const aFinal = await req(alice, '/api/state'); + const bFinal = await req(bob, '/api/state'); + check('alice sees both members', aFinal.sync?.docs?.[aDoc]?.members?.length === 2); + check('bob sees both members', bFinal.sync?.docs?.[bDoc]?.members?.length === 2); + check('bob’s role is editor', bFinal.sync?.docs?.[bDoc]?.role === 'editor'); + + // 12. THE INVARIANT: the relay stored only ciphertext. + let leaked = false; + const plaintexts = ['pack the telescope', 'find dark skies', 'aaaa1111']; + for await (const doc of Deno.readDir(join(relayData, 'docs'))) { + for (const file of ['log.jsonl', 'snapshot.json']) { + try { + const raw = await Deno.readTextFile(join(relayData, 'docs', doc.name, file)); + // The b64 payloads decode to MLS wire format; check both raw file and + // decoded payloads for plaintext. + if (plaintexts.some((p) => raw.includes(p) || raw.includes(toB64(enc(p))))) leaked = true; + } catch { + // file absent + } + } + } + check('relay log + snapshot are ciphertext only', !leaked); +} finally { + try { + alice?.child.kill(); + bob?.child.kill(); + } catch { /* already gone */ } + relay.shutdown(); + await sleep(200); + await Deno.remove(tmp, { recursive: true }).catch(() => {}); +} + +if (failures) { + console.error(`\n${failures} failure(s)`); + Deno.exit(1); +} +console.log('\ntwo-runtime E2EE collaboration: all good'); diff --git a/src/sync/mls-transport.test.ts b/src/sync/mls-transport.test.ts new file mode 100644 index 0000000..12c1c05 --- /dev/null +++ b/src/sync/mls-transport.test.ts @@ -0,0 +1,156 @@ +// The capstone: end-to-end encrypted group collaboration through the real +// relay. Proves that members exchange decryptable messages, that a late joiner +// catches up from an encrypted snapshot, and — the whole point — that the +// relay's stored log contains only ciphertext, never plaintext. +// Run: deno run -A src/sync/mls-transport.test.ts + +import { join } from '@std/path'; +import { startRelay } from '../../relay/main.ts'; +import { DevVerifier } from '../../relay/auth.ts'; +import { RelaySyncTransport } from './relay-client.ts'; +import { MemoryKeyPackageDirectory, MlsSyncTransport } from './mls-transport.ts'; +import { fromB64 } from './protocol.ts'; +import type { Session, SyncManifest } from './protocol.ts'; + +let failures = 0; +const check = (label: string, ok: boolean, detail = '') => { + console.log(`${ok ? 'PASS' : 'FAIL'} ${label}${detail ? ` — ${detail}` : ''}`); + if (!ok) failures++; +}; +const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms)); +const enc = (s: string) => new TextEncoder().encode(s); +const dec = (b: Uint8Array) => new TextDecoder().decode(b); + +const manifest: SyncManifest = { + owner: 'author', + roles: { + author: { write: true, admin: true }, + editor: { write: true }, + watcher: { write: false }, + }, +}; + +const dataDir = await Deno.makeTempDir({ prefix: 'ziran-mls-' }); +const verifier = new DevVerifier('secret'); +const relay = await startRelay({ port: 0, dataDir, verifier }); +const url = `ws://127.0.0.1:${relay.port}/ws`; +const directory = new MemoryKeyPackageDirectory(); + +const DOC = 'doc-e2ee'; +function make(did: string, handle: string) { + const base = new RelaySyncTransport({ + url, + did, + handle, + token: () => verifier.mint(did), + manifestFor: (d) => (d === DOC ? manifest : undefined), + }); + return new MlsSyncTransport({ base, did, directory }); +} + +// Collect decrypted messages per member for assertions. +function collect(session: Session) { + const msgs: string[] = []; + session.onMessage((m) => msgs.push(dec(m.bytes))); + return msgs; +} + +try { + const alice = make('did:plc:alice', 'alice.test'); + const bob = make('did:plc:bob', 'bob.test'); + const carol = make('did:plc:carol', 'carol.test'); + await Promise.all([alice.register(), bob.register(), carol.register()]); + + // 1. Alice creates the doc (founds the MLS group) and writes one message. + const aSession = await alice.join(DOC); + const aMsgs = collect(aSession); + await aSession.append(enc('alice-1 before invites')); + await sleep(50); + check('owner joins, founds group, self-delivers own message', aMsgs.includes('alice-1 before invites')); + + // 2. Alice invites Bob (MLS add-commit rides the log; welcome in the invite). + await alice.invite(DOC, 'did:plc:bob', 'editor'); + await sleep(50); + // Owner re-snapshots at the new epoch so the joiner can catch up. + const snapshotState = enc('SNAPSHOT: alice-1 applied'); + const atSeq = aSession.roster().length ? 2 : 2; // after 'alice-1'(1) + commit(2) + await aSession.snapshot(snapshotState, atSeq); + await sleep(50); + + // 3. Bob reads his inbox, accepts (joins group + decrypts snapshot), joins. + let bobInvToken = ''; + (async () => { + for await (const inv of bob.inbox()) { + bobInvToken = inv.token; + break; + } + })(); + await sleep(80); + check('bob received the invitation via inbox', bobInvToken !== ''); + const bobAccept = await bob.accept(bobInvToken); + check('bob decrypts the catch-up snapshot', bobAccept.snapshot != null && dec(bobAccept.snapshot!) === 'SNAPSHOT: alice-1 applied'); + const bSession = await bob.join(DOC, { sinceSeq: bobAccept.atSeq }); + const bMsgs = collect(bSession); + await sleep(50); + + // 4. Two-way encrypted messaging after the join. + await aSession.append(enc('alice-2 after bob joined')); + await sleep(80); + check('bob decrypts alice’s post-join message', bMsgs.includes('alice-2 after bob joined')); + await bSession.append(enc('bob-1 reply')); + await sleep(80); + check('alice decrypts bob’s reply', aMsgs.includes('bob-1 reply')); + + // 5. Add a watcher (Carol); she gets a fresh snapshot and reads new traffic. + await alice.invite(DOC, 'did:plc:carol', 'watcher'); + await sleep(50); + await aSession.snapshot(enc('SNAPSHOT: two messages'), 5); + await sleep(50); + let carolTok = ''; + (async () => { + for await (const inv of carol.inbox()) { + carolTok = inv.token; + break; + } + })(); + await sleep(80); + const carolAccept = await carol.accept(carolTok); + check('watcher decrypts her snapshot', carolAccept.snapshot != null && dec(carolAccept.snapshot!) === 'SNAPSHOT: two messages'); + const cSession = await carol.join(DOC, { sinceSeq: carolAccept.atSeq }); + const cMsgs = collect(cSession); + await sleep(50); + await aSession.append(enc('alice-3 for the watcher')); + await sleep(100); + check('watcher decrypts a post-join message', cMsgs.includes('alice-3 for the watcher')); + + // 6. THE POINT: the relay's stored log is ciphertext only. + await sleep(50); + const logText = await Deno.readTextFile(join(dataDir, 'docs', DOC, 'log.jsonl')); + const entries = logText.split('\n').filter((l) => l.trim()).map((l) => JSON.parse(l) as { b64: string }); + const plaintexts = ['alice-1 before invites', 'alice-2 after bob joined', 'bob-1 reply', 'alice-3 for the watcher']; + let leaked = false; + for (const e of entries) { + const raw = dec(fromB64(e.b64)); + if (plaintexts.some((p) => raw.includes(p))) leaked = true; + } + check('relay log contains ciphertext only (no plaintext leaked)', !leaked, `${entries.length} log entries scanned`); + + // 7. And the snapshot blob on disk is ciphertext too. + const snapText = await Deno.readTextFile(join(dataDir, 'docs', DOC, 'snapshot.json')); + const snapRaw = dec(fromB64((JSON.parse(snapText) as { b64: string }).b64)); + check('relay snapshot blob is ciphertext', !snapRaw.includes('SNAPSHOT:')); + + alice.close(); + bob.close(); + carol.close(); + relay.shutdown(); +} finally { + await sleep(100); + await Deno.remove(dataDir, { recursive: true }).catch(() => {}); +} + +if (failures) { + console.error(`\n${failures} failure(s)`); + Deno.exit(1); +} +console.log('\nE2EE group sync through the relay: all good'); diff --git a/src/sync/mls-transport.ts b/src/sync/mls-transport.ts new file mode 100644 index 0000000..eed8145 --- /dev/null +++ b/src/sync/mls-transport.ts @@ -0,0 +1,310 @@ +// The E2EE transport: wraps the plaintext RelaySyncTransport so the relay only +// ever sees MLS ciphertext. Durable log messages are MLS application messages +// (per-message forward secrecy); membership commits ride the same log and are +// processed by every member; the invitation carries the MLS Welcome so the +// invitee can join the group; snapshots are encrypted for the current epoch so +// a late joiner can catch up. MLS lives host-side only — never in tiles. +// +// KeyPackages are discovered through a directory (a per-user PDS record in +// production, Germ-style; in-memory for tests). Rights stay two-layer: the +// relay ACL governs *write*, MLS group membership governs *read*. + +import { + type AcceptResult, + type EphemeralMessage, + fromB64, + type Invitation, + type JoinOptions, + type LogMessage, + type Member, + type Session, + type SyncTransport, + toB64, +} from './protocol.ts'; +import { createIdentity, encodeKeyPackage, type Identity, MlsGroup } from './mls.ts'; +import type { RelaySyncTransport } from './relay-client.ts'; + +/** Where members publish and discover MLS KeyPackages. Production: a record in + each user's own PDS (Germ pattern), fetched by resolving their DID. */ +export interface KeyPackageDirectory { + publish(did: string, keyPackageWire: Uint8Array): Promise; + /** Fetch a member's KeyPackage; throws if the DID has none. */ + fetch(did: string): Promise; +} + +/** A trivial shared directory for tests / a single-process runtime. */ +export class MemoryKeyPackageDirectory implements KeyPackageDirectory { + #map = new Map(); + publish(did: string, kp: Uint8Array): Promise { + this.#map.set(did, kp); + return Promise.resolve(); + } + fetch(did: string): Promise { + const kp = this.#map.get(did); + if (!kp) return Promise.reject(new Error(`no KeyPackage published for ${did}`)); + return Promise.resolve(kp); + } +} + +/** The relay-hosted directory: stands in for per-user PDS records until AT + sign-in lands; the discovery seam stays the same either way. */ +export class RelayKeyPackageDirectory implements KeyPackageDirectory { + constructor(private relay: RelaySyncTransport) {} + publish(_did: string, kp: Uint8Array): Promise { + return this.relay.publishKeyPackage(kp); + } + async fetch(did: string): Promise { + const kp = await this.relay.getKeyPackage(did); + if (!kp) throw new Error(`${did} has not published collaboration keys yet — they need to run Ziran once`); + return kp; + } +} + +/** Durable storage for serialized MLS group state, so shared documents keep + decrypting across app restarts. */ +export interface GroupStateStore { + load(syncDocId: string): Promise; + save(syncDocId: string, state: Uint8Array): Promise; +} + +class MlsSession implements Session { + #msg = new Set<(m: LogMessage) => void>(); + #eph = new Set<(m: EphemeralMessage) => void>(); + + constructor( + readonly docId: string, + private base: Session, + private group: MlsGroup, + private selfDid: string, + private dirty: () => void = () => {}, + ) { + base.onMessage(async (m) => { + if (m.author === this.selfDid) return; // our own echo; delivered on append + let res; + try { + res = await this.group.process(m.bytes); + } catch { + // Pre-join history: a late joiner's replay contains commits for + // epochs it skipped and app messages forward secrecy locks away. + // Both are expected and superseded by the snapshot — drop them. + return; + } + this.dirty(); + if (res.kind === 'application') { + for (const h of this.#msg) h({ seq: m.seq, author: m.author, role: m.role, bytes: res.plaintext }); + } + // membership commits advance the epoch silently; roster comes from base + }); + base.onEphemeral(async (m) => { + if (m.author === this.selfDid) return; + let res; + try { + res = await this.group.process(m.bytes); + } catch { + return; // stale presence from an epoch we can't read — drop + } + this.dirty(); + if (res.kind === 'application') { + for (const h of this.#eph) h({ author: m.author, role: m.role, bytes: res.plaintext }); + } + }); + } + + get me(): Member { + return this.base.me; + } + roster() { + return this.base.roster(); + } + onRoster(h: (r: Member[]) => void) { + return this.base.onRoster(h); + } + + async append(bytes: Uint8Array): Promise { + const cipher = await this.group.encrypt(bytes); + this.dirty(); + const seq = await this.base.append(cipher); + // Deliver our own message to local handlers in order (MLS can't decrypt + // its own application messages, so the echo is skipped above). + for (const h of this.#msg) h({ seq, author: this.selfDid, role: this.me.role, bytes }); + return seq; + } + + async ephemeral(bytes: Uint8Array): Promise { + const cipher = await this.group.encrypt(bytes); + this.dirty(); + this.base.ephemeral(cipher); + } + + async snapshot(bytes: Uint8Array, atSeq: number): Promise { + // Encrypted for the current epoch; a member joining at this epoch can + // decrypt it, then replay the tail after atSeq. + const cipher = await this.group.encrypt(bytes); + this.dirty(); + await this.base.snapshot(cipher, atSeq); + } + + onMessage(h: (m: LogMessage) => void) { + this.#msg.add(h); + return () => this.#msg.delete(h); + } + onEphemeral(h: (m: EphemeralMessage) => void) { + this.#eph.add(h); + return () => this.#eph.delete(h); + } + leave() { + this.base.leave(); + } + + /** The engine, exposed so the transport can add members and re-snapshot. */ + _group(): MlsGroup { + return this.group; + } + + /** Append an already-MLS message (a commit) to the log without re-encrypting. */ + base_append_raw(raw: Uint8Array): Promise { + return this.base.append(raw); + } +} + +export interface MlsTransportOptions { + base: RelaySyncTransport; + did: string; + directory: KeyPackageDirectory; + /** MLS group id for a document (defaults to the docId bytes). */ + groupIdFor?: (docId: string) => Uint8Array; + /** When set, group state persists across restarts (debounced after every + ratchet advance — encryption included, since reusing a generation would + reuse a nonce). */ + groupStore?: GroupStateStore; +} + +export class MlsSyncTransport implements SyncTransport { + #identity?: Identity; + #groups = new Map(); + #sessions = new Map(); + #invitations = new Map(); // token → full invite (with welcome) + #published = false; + #saveTimers = new Map(); + + constructor(private opts: MlsTransportOptions) {} + + /** Debounced group-state persistence; called after every ratchet advance. */ + #dirty(docId: string): void { + const store = this.opts.groupStore; + if (!store) return; + clearTimeout(this.#saveTimers.get(docId)); + this.#saveTimers.set( + docId, + setTimeout(() => { + const group = this.#groups.get(docId); + if (group) store.save(docId, group.serialize()).catch(() => {}); + }, 80) as unknown as number, + ); + } + + /** Restore a persisted group before join() (a restart of a shared doc). */ + async restoreGroup(docId: string): Promise { + if (this.#groups.has(docId)) return true; + const bytes = await this.opts.groupStore?.load(docId); + if (!bytes) return false; + this.#groups.set(docId, await MlsGroup.restore(bytes, this.opts.did)); + return true; + } + + /** Ensure this member has an MLS identity and its KeyPackage is published + to the directory (their PDS). Call once at startup/login — an invitee + must be discoverable before anyone can add them to a group. */ + async register(): Promise { + await this.#identityReady(); + } + + async #identityReady(): Promise { + if (!this.#identity) this.#identity = await createIdentity(this.opts.did); + if (!this.#published) { + this.#published = true; + await this.opts.directory.publish(this.opts.did, encodeKeyPackage(this.#identity.publicPackage)); + } + return this.#identity; + } + + #groupId(docId: string): Uint8Array { + return this.opts.groupIdFor?.(docId) ?? new TextEncoder().encode(docId); + } + + async join(docId: string, opts?: JoinOptions): Promise { + const id = await this.#identityReady(); + let group = this.#groups.get(docId); + if (!group) { + // No group yet: this must be the owner creating the document (an invitee + // gets its group from accept(); a restart from restoreGroup()). + group = await MlsGroup.create(this.#groupId(docId), id); + this.#groups.set(docId, group); + this.#dirty(docId); + } + const base = await this.opts.base.join(docId, opts); + const session = new MlsSession(docId, base, group, this.opts.did, () => this.#dirty(docId)); + this.#sessions.set(docId, session); + return session; + } + + async invite(docId: string, inviteeDid: string, role: string, title?: string): Promise { + const session = this.#sessions.get(docId); + const group = this.#groups.get(docId); + if (!session || !group) throw new Error('join the document before inviting'); + // Fetch the invitee's published KeyPackage and add them to the group. + const kp = await this.opts.directory.fetch(inviteeDid); + const { commit, welcome } = await group.addMember(kp); + this.#dirty(docId); + // The commit rides the ordered log so current members advance their epoch; + // it is a raw MLS message, appended without re-encryption. + await session.base_append_raw(commit); + // The Welcome travels inside the invitation (opaque to the relay). + return this.opts.base.invite(docId, inviteeDid, role, { + title: title ?? docId, + payload: toB64(welcome), + }); + } + + async *inbox(): AsyncIterable { + for await (const inv of this.opts.base.inbox()) { + this.#invitations.set(inv.token, inv); + yield inv; + } + } + + async accept(token: string): Promise { + const id = await this.#identityReady(); + // Deep-link accepts may arrive before (or without) the inbox stream; the + // relay hands the invitation to its named invitee on request. + let inv = this.#invitations.get(token); + if (!inv?.payload) inv = (await this.opts.base.getInvite(token)) ?? undefined; + if (!inv?.payload) throw new Error('invitation not found — it may have been withdrawn'); + // Join the MLS group from the Welcome, then claim relay membership. + const group = await MlsGroup.join(fromB64(inv.payload), id); + this.#groups.set(inv.docId, group); + this.#dirty(inv.docId); + const result = await this.opts.base.accept(token); + // Decrypt the catch-up snapshot (encrypted for our joining epoch). + let snapshot: Uint8Array | null = null; + if (result.snapshot) { + const res = await group.process(result.snapshot); + this.#dirty(inv.docId); + snapshot = res.kind === 'application' ? res.plaintext : null; + } + return { ...result, snapshot }; + } + + /** The invitation cache (inbox entries seen this run). */ + invitationFor(token: string): Invitation | undefined { + return this.#invitations.get(token); + } + + fetchSnapshot(): Promise<{ bytes: Uint8Array; atSeq: number } | null> { + return Promise.resolve(null); + } + + close() { + this.opts.base.close(); + } +} diff --git a/src/sync/mls.test.ts b/src/sync/mls.test.ts new file mode 100644 index 0000000..bebc9ab --- /dev/null +++ b/src/sync/mls.test.ts @@ -0,0 +1,105 @@ +// The MLS engine in isolation (no relay): identity minting, group creation, +// adding a member via commit + welcome, encrypted application round-trips in +// both directions, forward secrecy for late joiners, and that an outsider +// cannot decrypt. Run: deno run -A src/sync/mls.test.ts + +import { createIdentity, encodeKeyPackage, MlsGroup } from './mls.ts'; + +let failures = 0; +const check = (label: string, ok: boolean, detail = '') => { + console.log(`${ok ? 'PASS' : 'FAIL'} ${label}${detail ? ` — ${detail}` : ''}`); + if (!ok) failures++; +}; +const enc = (s: string) => new TextEncoder().encode(s); +const dec = (b: Uint8Array) => new TextDecoder().decode(b); + +const ALICE = 'did:plc:alice'; +const BOB = 'did:plc:bob'; +const CAROL = 'did:plc:carol'; + +const alice = await createIdentity(ALICE); +const bob = await createIdentity(BOB); +const carol = await createIdentity(CAROL); + +const groupId = crypto.getRandomValues(new Uint8Array(16)); + +// 1. Alice founds the group. +const aGroup = await MlsGroup.create(groupId, alice); +check('owner creates a group at epoch 0', aGroup.epoch() === 0n, String(aGroup.epoch())); +check('owner is the sole member', aGroup.members().length === 1 && aGroup.members()[0] === ALICE); + +// 2. Alice adds Bob: commit goes on the log, welcome to Bob. +const add = await aGroup.addMember(encodeKeyPackage(bob.publicPackage)); +check('add advances the epoch', aGroup.epoch() === 1n, String(aGroup.epoch())); +check('roster now has both members', aGroup.members().length === 2 && aGroup.members().includes(BOB)); + +// 3. Bob joins from the welcome; sees the same epoch. +const bGroup = await MlsGroup.join(add.welcome, bob); +check('joiner lands at the same epoch', bGroup.epoch() === aGroup.epoch()); + +// 4. Alice → Bob encrypted application message. +const c1 = await aGroup.encrypt(enc('hello bob, this is private')); +const r1 = await bGroup.process(c1); +check('bob decrypts alice’s message', r1.kind === 'application' && dec(r1.plaintext) === 'hello bob, this is private'); +check('ciphertext does not contain the plaintext', !dec(c1).includes('hello bob')); + +// 5. Bob → Alice, the other direction. +const c2 = await bGroup.encrypt(enc('got it, replying')); +const r2 = await aGroup.process(c2); +check('alice decrypts bob’s reply', r2.kind === 'application' && dec(r2.plaintext) === 'got it, replying'); + +// 6. An outsider (Carol, never added) cannot decrypt. +const carolGroup = await MlsGroup.create(crypto.getRandomValues(new Uint8Array(16)), carol); +let outsiderFailed = false; +try { + const res = await carolGroup.process(c1); + outsiderFailed = res.kind !== 'application'; +} catch { + outsiderFailed = true; +} +check('outsider cannot decrypt the group’s traffic', outsiderFailed); + +// 7. Forward secrecy: Alice adds Carol now; the commit is processed by Bob, +// and Carol (joining at epoch 2) cannot read the epoch-0/1 ciphertext but +// can read new messages. (This is why late-join needs a fresh snapshot.) +const add2 = await aGroup.addMember(encodeKeyPackage(carol.publicPackage)); +await bGroup.process(add2.commit); // Bob applies the membership commit +check('group advanced to epoch 2', aGroup.epoch() === 2n && bGroup.epoch() === 2n); +const cGroup = await MlsGroup.join(add2.welcome, carol); +let carolPreJoin = false; +try { + const res = await cGroup.process(c1); // an old epoch-1 message + carolPreJoin = res.kind === 'application'; +} catch { + carolPreJoin = false; +} +check('late joiner cannot read pre-join history (forward secrecy)', !carolPreJoin); +const c3 = await aGroup.encrypt(enc('welcome carol')); +await bGroup.process(c3); +const r3 = await cGroup.process(c3); +check('late joiner reads post-join messages', r3.kind === 'application' && dec(r3.plaintext) === 'welcome carol'); + +// 8. Persistence: serialize and restore Bob's group, keep decrypting. +const restored = await MlsGroup.restore(bGroup.serialize(), BOB); +const c4 = await aGroup.encrypt(enc('after a restart')); +await cGroup.process(c4); +const r4 = await restored.process(c4); +check('restored group keeps decrypting', r4.kind === 'application' && dec(r4.plaintext) === 'after a restart'); + +// 9. A 2 MiB snapshot-sized payload round-trips (catch-up blobs). +const big = new Uint8Array(2 * 1024 * 1024); +for (let off = 0; off < big.length; off += 65536) { + crypto.getRandomValues(big.subarray(off, Math.min(off + 65536, big.length))); +} +const t0 = performance.now(); +const cBig = await aGroup.encrypt(big); +await cGroup.process(cBig); +const rBig = await bGroup.process(cBig); +const ms = Math.round(performance.now() - t0); +check('2 MiB payload round-trips', rBig.kind === 'application' && (rBig.plaintext.length === big.length), `${ms}ms`); + +if (failures) { + console.error(`\n${failures} failure(s)`); + Deno.exit(1); +} +console.log('\nMLS engine: all good'); diff --git a/src/sync/mls.ts b/src/sync/mls.ts new file mode 100644 index 0000000..e20a7d3 --- /dev/null +++ b/src/sync/mls.ts @@ -0,0 +1,232 @@ +// The MLS engine: a deliberately narrow façade over ts-mls (RFC 9420). Every +// use of the crypto library is confined here, behind +// create-identity / create-group / join / add / encrypt / process — so the +// implementation is swappable (a wasm mls-rs build later) and the rest of the +// runtime, the UI, and tiles never see keys or ciphertext framing. +// +// MLS runs host-side only (the Deno runtime process). Group state is +// immutable in ts-mls — each operation returns a new ClientState — so an +// MlsGroup holds the latest state and replaces it after every op. + +import { + acceptAll, + type ClientState, + type CiphersuiteImpl, + createApplicationMessage, + createCommit, + createGroup, + decodeGroupState, + decodeMlsMessage, + defaultAuthenticationService, + defaultCapabilities, + defaultKeyPackageEqualityConfig, + defaultKeyRetentionConfig, + defaultLifetime, + defaultLifetimeConfig, + defaultPaddingConfig, + emptyPskIndex, + encodeGroupState, + encodeMlsMessage, + generateKeyPackage, + getCiphersuiteFromName, + getCiphersuiteImpl, + joinGroup, + type KeyPackage, + type MLSMessage, + type PrivateKeyPackage, + processMessage, +} from 'ts-mls'; + +// Non-PQ, mandatory-to-implement (RFC 9420) and widely interoperable. Uses +// AES-128-GCM, which @hpke/core provides natively — no extra optional deps to +// bundle (the ChaCha suite Germ uses would pull @hpke/chacha20poly1305). +const SUITE = 'MLS_128_DHKEMX25519_AES128GCM_SHA256_Ed25519'; + +let suitePromise: Promise | undefined; +function suite(): Promise { + return (suitePromise ??= getCiphersuiteImpl(getCiphersuiteFromName(SUITE))); +} + +const te = new TextEncoder(); +const td = new TextDecoder(); + +// Reassembled from the exported defaults (ts-mls does not re-export +// defaultClientConfig). ClientState = GroupState & { clientConfig }, but only +// GroupState is serialized, so restore() must re-attach this. +const defaultClientConfig = { + keyRetentionConfig: defaultKeyRetentionConfig, + lifetimeConfig: defaultLifetimeConfig, + keyPackageEqualityConfig: defaultKeyPackageEqualityConfig, + paddingConfig: defaultPaddingConfig, + authService: defaultAuthenticationService, +}; + +/** A member's freshly minted MLS credential + KeyPackage. The public package + is what gets published in the member's PDS (Germ pattern); the private + package stays local. */ +export interface Identity { + did: string; + publicPackage: KeyPackage; + privatePackage: PrivateKeyPackage; +} + +/** Result of a membership-changing commit: the commit goes on the ordered + log (every current member processes it); the welcome is delivered to the + new member out-of-band (their inbox). */ +export interface AddResult { + commit: Uint8Array; + welcome: Uint8Array; +} + +/** What processing one incoming wire message yielded. */ +export type Incoming = + | { kind: 'application'; plaintext: Uint8Array } + | { kind: 'membership' } // a commit/proposal was applied; roster may have changed + | { kind: 'ignored' }; // e.g. our own echoed message + +/** Mint an MLS identity for a DID (credential identity = the DID bytes). */ +export async function createIdentity(did: string): Promise { + const cs = await suite(); + const { publicPackage, privatePackage } = await generateKeyPackage( + { credentialType: 'basic', identity: te.encode(did) }, + defaultCapabilities(), + defaultLifetime, + [], + cs, + ); + return { did, publicPackage, privatePackage }; +} + +/** Encode a KeyPackage for publication (to a PDS record / directory). */ +export function encodeKeyPackage(pkg: KeyPackage): Uint8Array { + return encodeMlsMessage({ version: 'mls10', wireformat: 'mls_key_package', keyPackage: pkg }); +} + +/** Decode a KeyPackage fetched from a directory/PDS. */ +export function decodeKeyPackage(bytes: Uint8Array): KeyPackage { + const [msg] = decodeMlsMessage(bytes, 0) as [MLSMessage, number]; + if (msg.wireformat !== 'mls_key_package') throw new Error('not a key package'); + return msg.keyPackage; +} + +function didOfCredential(cred: { credentialType: string; identity?: Uint8Array }): string { + return cred.credentialType === 'basic' && cred.identity ? td.decode(cred.identity) : ''; +} + +export class MlsGroup { + // Every state-advancing operation runs through one chain: two concurrent + // encrypts would otherwise read the same ratchet state and reuse a + // generation (nonce reuse on the sender, replay-rejection at receivers). + #chain: Promise = Promise.resolve(); + + private constructor( + private state: ClientState, + private cs: CiphersuiteImpl, + readonly selfDid: string, + ) {} + + #serial(fn: () => Promise): Promise { + const next = this.#chain.then(fn, fn); + this.#chain = next.catch(() => {}); + return next; + } + + /** Found a new group; the caller is its only (owner) member. */ + static async create(groupId: Uint8Array, id: Identity): Promise { + const cs = await suite(); + const state = await createGroup(groupId, id.publicPackage, id.privatePackage, [], cs); + return new MlsGroup(state, cs, id.did); + } + + /** Join an existing group from a Welcome delivered to us. */ + static async join(welcomeWire: Uint8Array, id: Identity): Promise { + const cs = await suite(); + const [msg] = decodeMlsMessage(welcomeWire, 0) as [MLSMessage, number]; + if (msg.wireformat !== 'mls_welcome') throw new Error('not a welcome'); + const state = await joinGroup(msg.welcome, id.publicPackage, id.privatePackage, emptyPskIndex, cs); + return new MlsGroup(state, cs, id.did); + } + + /** Restore a persisted group. */ + static async restore(stateBytes: Uint8Array, selfDid: string): Promise { + const cs = await suite(); + const [group] = decodeGroupState(stateBytes, 0) as [Omit, number]; + const state = { ...group, clientConfig: defaultClientConfig } as ClientState; + return new MlsGroup(state, cs, selfDid); + } + + /** Serialize group state for durable storage. */ + serialize(): Uint8Array { + return encodeGroupState(this.state); + } + + epoch(): bigint { + return this.state.groupContext.epoch; + } + + /** DIDs of all current members (from their basic-credential identities). */ + members(): string[] { + const out: string[] = []; + for (const n of this.state.ratchetTree) { + if (n != null && n.nodeType === 'leaf') { + const did = didOfCredential(n.leaf.credential); + if (did) out.push(did); + } + } + return out; + } + + /** Add a member by their published KeyPackage: returns the commit (for the + log) and the welcome (for the new member). Advances the epoch. */ + addMember(keyPackageWire: Uint8Array): Promise { + return this.#serial(async () => { + const keyPackage = decodeKeyPackage(keyPackageWire); + const result = await createCommit( + { state: this.state, cipherSuite: this.cs }, + { + extraProposals: [{ proposalType: 'add', add: { keyPackage } }], + // Embed the tree so a relay-delivered Welcome is self-contained (the + // joiner has no side channel to fetch the ratchet tree). + ratchetTreeExtension: true, + }, + ); + if (!result.welcome) throw new Error('add produced no welcome'); + this.state = result.newState; + return { + commit: encodeMlsMessage(result.commit), + welcome: encodeMlsMessage({ version: 'mls10', wireformat: 'mls_welcome', welcome: result.welcome }), + }; + }); + } + + /** Encrypt an application payload → wire bytes for the ordered log. */ + encrypt(plaintext: Uint8Array): Promise { + return this.#serial(async () => { + const { newState, privateMessage } = await createApplicationMessage(this.state, plaintext, this.cs); + this.state = newState; + return encodeMlsMessage({ version: 'mls10', wireformat: 'mls_private_message', privateMessage }); + }); + } + + /** Process an incoming wire message from the log (someone else's). MLS + cannot decrypt our own application messages, so those are handled by the + transport locally and never reach here. */ + process(wire: Uint8Array): Promise { + return this.#serial(async () => { + const [msg] = decodeMlsMessage(wire, 0) as [MLSMessage, number]; + if (msg.wireformat === 'mls_private_message') { + const res = await processMessage(msg, this.state, emptyPskIndex, acceptAll, this.cs); + this.state = res.newState; + return res.kind === 'applicationMessage' + ? { kind: 'application', plaintext: res.message } + : { kind: 'membership' }; + } + if (msg.wireformat === 'mls_public_message') { + const res = await processMessage(msg, this.state, emptyPskIndex, acceptAll, this.cs); + this.state = res.newState; + return { kind: 'membership' }; + } + return { kind: 'ignored' }; + }); + } +} diff --git a/src/sync/protocol.ts b/src/sync/protocol.ts new file mode 100644 index 0000000..4c3a3b6 --- /dev/null +++ b/src/sync/protocol.ts @@ -0,0 +1,161 @@ +// The shared vocabulary between the ziran runtime and the ziran relay, and +// the SyncTransport seam the runtime programs against. Phase 1 has exactly +// one transport (the relay, plaintext); phase 2 wraps payloads in MLS; a +// later Iroh fast path or Matrix adapter would implement the same interface. + +/** A participant as the runtime/relay sees them. Role is a document-defined + string; the runtime and relay only enforce write-permission + membership. */ +export interface Member { + did: string; + handle?: string; + role: string; +} + +/** A role's runtime-enforceable capabilities, declared in the tile manifest + under `sync.roles`. Everything else about what a role *means* is the + tile's business. */ +export interface RoleSpec { + /** May append durable messages to the log. */ + write?: boolean; + /** May send on the ephemeral presence lane. */ + presence?: boolean; + /** Roles whose presence/roster entries this role is allowed to see. + Absent = sees everyone; [] = sees only itself. */ + seesRoles?: string[]; + /** Max simultaneous members holding this role (e.g. one `opponent`). */ + max?: number; + /** May invite others / assign roles / remove members. */ + admin?: boolean; +} + +export interface SyncManifest { + /** The role granted to the document's creator/owner. */ + owner: string; + roles: Record; + /** Role given to someone who opens a public link without a named invite, + if any (absent = invite-only). */ + publicRole?: string; +} + +export interface Invitation { + token: string; + docId: string; + /** Human label for the document, shown in the invitee's inbox. */ + title: string; + inviterDid: string; + inviterHandle?: string; + inviteeDid: string; + role: string; + createdAt: number; + /** Opaque to the relay: the MLS Welcome (b64) under E2EE transports, so the + invitee can join the group. Absent for plaintext transports. */ + payload?: string; +} + +/** Durable, ordered, attributed message delivered to a joined session. */ +export interface LogMessage { + seq: number; + author: string; // DID, relay-attested + role: string; + /** Opaque payload (plaintext in phase 1, MLS ciphertext in phase 2). */ + bytes: Uint8Array; +} + +export interface EphemeralMessage { + author: string; + role: string; + bytes: Uint8Array; +} + +/** A live attachment to one document's channel. */ +export interface Session { + docId: string; + me: Member; + roster(): Member[]; + /** Append to the durable log; resolves with the assigned seq. */ + append(bytes: Uint8Array): Promise; + ephemeral(bytes: Uint8Array): void; + /** Upload the current document state as the catch-up snapshot, tagged with + the log seq it reflects. */ + snapshot(bytes: Uint8Array, atSeq: number): Promise; + onMessage(handler: (m: LogMessage) => void): () => void; + onEphemeral(handler: (m: EphemeralMessage) => void): () => void; + onRoster(handler: (roster: Member[]) => void): () => void; + leave(): void; +} + +export interface JoinOptions { + /** Replay durable messages with seq greater than this (after loading a + snapshot); omit to replay from the start of retained history. */ + sinceSeq?: number; +} + +export interface AcceptResult { + docId: string; + role: string; + snapshot: Uint8Array | null; + atSeq: number; +} + +/** The seam. Implemented by the relay transport (phase 1) and, later, by an + MLS-wrapping transport and any fast-path/interop adapters. */ +export interface SyncTransport { + /** Attach to a document's channel as the current user. */ + join(docId: string, opts?: JoinOptions): Promise; + /** Create an invitation for an AT identity with a document-defined role. */ + invite(docId: string, inviteeDid: string, role: string): Promise; + /** Standing subscription to this user's invitation inbox. */ + inbox(): AsyncIterable; + /** Accept an invitation: returns the snapshot to load before syncing. */ + accept(token: string): Promise; + /** Fetch the latest snapshot blob for a document, if any. */ + fetchSnapshot(docId: string): Promise<{ bytes: Uint8Array; atSeq: number } | null>; + close(): void; +} + +// ——— Relay wire protocol (WebSocket, one connection per client) ——— +// +// Frames are JSON with binary payloads base64url-encoded in `b64`. (Phase 2 +// may switch to a binary framing; kept simple and inspectable for now.) + +export type ClientFrame = + | { t: 'join'; docId: string; sinceSeq?: number; manifest?: SyncManifest } + | { t: 'leave'; docId: string } + | { t: 'append'; docId: string; id: string; b64: string } + | { t: 'ephemeral'; docId: string; b64: string } + | { t: 'snapshot'; docId: string; atSeq: number; b64: string } + | { t: 'invite'; docId: string; inviteeDid: string; role: string; id: string; title?: string; payload?: string } + | { t: 'accept'; token: string; id: string } + | { t: 'sub-inbox' } + // KeyPackage directory (stands in for the PDS record until AT sign-in). + | { t: 'pub-kp'; b64: string } + | { t: 'get-kp'; did: string; id: string } + // Fetch an invitation by token (deep-link accepts that beat the inbox). + | { t: 'get-invite'; token: string; id: string }; + +export type ServerFrame = + | { t: 'joined'; docId: string; me: Member; roster: Member[] } + | { t: 'msg'; docId: string; seq: number; author: string; role: string; b64: string } + | { t: 'eph'; docId: string; author: string; role: string; b64: string } + | { t: 'roster'; docId: string; roster: Member[] } + | { t: 'ack'; id: string; seq?: number } + | { t: 'invited'; id: string; invitation: Invitation } + | { t: 'accepted'; id: string; result: { docId: string; role: string; atSeq: number; snapshotB64: string | null } } + | { t: 'inbox'; invitation: Invitation } + | { t: 'kp'; id: string; b64: string | null } + | { t: 'invite-info'; id: string; invitation: Invitation | null } + | { t: 'err'; id?: string; code: string; message: string }; + +export function toB64(bytes: Uint8Array): string { + let bin = ''; + for (const b of bytes) bin += String.fromCharCode(b); + return btoa(bin).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, ''); +} + +export function fromB64(s: string): Uint8Array { + const pad = s.replace(/-/g, '+').replace(/_/g, '/'); + const bin = atob(pad + '='.repeat((4 - (pad.length % 4)) % 4)); + const out = new Uint8Array(bin.length); + for (let i = 0; i < bin.length; i++) out[i] = bin.charCodeAt(i); + return out; +} diff --git a/src/sync/relay-client.ts b/src/sync/relay-client.ts new file mode 100644 index 0000000..822ffe5 --- /dev/null +++ b/src/sync/relay-client.ts @@ -0,0 +1,283 @@ +// The base (plaintext) SyncTransport: one WebSocket to the relay, multiplexing +// every joined document plus the invitation inbox. Portable across Deno +// (runtime/tests) and the browser. Auth is a caller-supplied token provider +// (dev HMAC now; atproto service-auth later) — the transport never mints it. + +import { + type AcceptResult, + type ClientFrame, + type EphemeralMessage, + fromB64, + type Invitation, + type JoinOptions, + type LogMessage, + type Member, + type ServerFrame, + type Session, + type SyncManifest, + type SyncTransport, + toB64, +} from './protocol.ts'; + +interface Pending { + resolve: (frame: ServerFrame) => void; + reject: (err: Error) => void; +} + +class RelaySession implements Session { + me!: Member; + #roster: Member[] = []; + #msg = new Set<(m: LogMessage) => void>(); + #eph = new Set<(m: EphemeralMessage) => void>(); + #ros = new Set<(r: Member[]) => void>(); + + constructor(readonly docId: string, private conn: RelaySyncTransport) {} + + _init(me: Member, roster: Member[]) { + this.me = me; + this.#roster = roster; + } + _message(m: LogMessage) { + for (const h of this.#msg) h(m); + } + _ephemeral(m: EphemeralMessage) { + for (const h of this.#eph) h(m); + } + _roster(r: Member[]) { + this.#roster = r; + for (const h of this.#ros) h(r); + } + + roster() { + return this.#roster.slice(); + } + append(bytes: Uint8Array): Promise { + return this.conn._append(this.docId, bytes); + } + ephemeral(bytes: Uint8Array): void { + this.conn._send({ t: 'ephemeral', docId: this.docId, b64: toB64(bytes) }); + } + snapshot(bytes: Uint8Array, atSeq: number): Promise { + this.conn._send({ t: 'snapshot', docId: this.docId, atSeq, b64: toB64(bytes) }); + return Promise.resolve(); + } + onMessage(h: (m: LogMessage) => void) { + this.#msg.add(h); + return () => this.#msg.delete(h); + } + onEphemeral(h: (m: EphemeralMessage) => void) { + this.#eph.add(h); + return () => this.#eph.delete(h); + } + onRoster(h: (r: Member[]) => void) { + this.#ros.add(h); + return () => this.#ros.delete(h); + } + leave() { + this.conn._send({ t: 'leave', docId: this.docId }); + this.conn._dropSession(this.docId); + } +} + +export interface RelayClientOptions { + url: string; // ws://host/ws + did: string; + handle?: string; + /** Returns a fresh bearer token (dev HMAC or atproto service-auth JWT). */ + token: () => Promise | string; + /** For creating documents: the role manifest to register. */ + manifestFor?: (docId: string) => SyncManifest | undefined; +} + +export class RelaySyncTransport implements SyncTransport { + #ws?: WebSocket; + #ready?: Promise; + #seq = 0; + #pending = new Map(); + #sessions = new Map(); + #joinWaiters = new Map(); + #inboxHandlers = new Set<(inv: Invitation) => void>(); + #inboxBuffer: Invitation[] = []; + #subbedInbox = false; + + constructor(private opts: RelayClientOptions) {} + + async #connect(): Promise { + if (this.#ready) return this.#ready; + this.#ready = (async () => { + const token = await this.opts.token(); + const url = `${this.opts.url}?token=${encodeURIComponent(token)}` + + (this.opts.handle ? `&handle=${encodeURIComponent(this.opts.handle)}` : ''); + const ws = new WebSocket(url); + this.#ws = ws; + ws.addEventListener('message', (ev) => { + if (typeof ev.data === 'string') this.#onFrame(JSON.parse(ev.data)); + }); + await new Promise((res, rej) => { + ws.addEventListener('open', () => res()); + ws.addEventListener('error', () => rej(new Error('relay connection failed'))); + ws.addEventListener('close', () => { + for (const p of this.#pending.values()) p.reject(new Error('connection closed')); + this.#pending.clear(); + }); + }); + })(); + return this.#ready; + } + + #onFrame(f: ServerFrame) { + switch (f.t) { + case 'joined': { + const s = this.#sessions.get(f.docId); + if (s) s._init(f.me, f.roster); + this.#joinWaiters.get(f.docId)?.resolve(f); + this.#joinWaiters.delete(f.docId); + break; + } + case 'msg': + this.#sessions.get(f.docId)?._message({ seq: f.seq, author: f.author, role: f.role, bytes: fromB64(f.b64) }); + break; + case 'eph': + this.#sessions.get(f.docId)?._ephemeral({ author: f.author, role: f.role, bytes: fromB64(f.b64) }); + break; + case 'roster': + this.#sessions.get(f.docId)?._roster(f.roster); + break; + case 'ack': + case 'invited': + case 'accepted': + case 'kp': + case 'invite-info': + if (f.id) { + this.#pending.get(f.id)?.resolve(f); + this.#pending.delete(f.id); + } + break; + case 'inbox': + if (this.#inboxHandlers.size) for (const h of this.#inboxHandlers) h(f.invitation); + else this.#inboxBuffer.push(f.invitation); + break; + case 'err': + if (f.id) { + this.#pending.get(f.id)?.reject(new Error(`${f.code}: ${f.message}`)); + this.#pending.delete(f.id); + } + for (const w of this.#joinWaiters.values()) w.reject(new Error(`${f.code}: ${f.message}`)); + this.#joinWaiters.clear(); + break; + } + } + + _send(frame: ClientFrame) { + this.#ws?.send(JSON.stringify(frame)); + } + + #request(build: (id: string) => ClientFrame): Promise { + const id = `r${++this.#seq}`; + return new Promise((resolve, reject) => { + this.#pending.set(id, { resolve, reject }); + this._send(build(id)); + }); + } + + async _append(docId: string, bytes: Uint8Array): Promise { + const f = await this.#request((id) => ({ t: 'append', docId, id, b64: toB64(bytes) })); + return f.t === 'ack' ? (f.seq ?? 0) : 0; + } + + _dropSession(docId: string) { + this.#sessions.delete(docId); + } + + async join(docId: string, opts?: JoinOptions): Promise { + await this.#connect(); + const session = new RelaySession(docId, this); + this.#sessions.set(docId, session); + const manifest = this.opts.manifestFor?.(docId); + await new Promise((resolve, reject) => { + this.#joinWaiters.set(docId, { resolve: () => resolve(), reject }); + this._send({ t: 'join', docId, sinceSeq: opts?.sinceSeq, ...(manifest ? { manifest } : {}) } as ClientFrame); + }); + return session; + } + + async invite(docId: string, inviteeDid: string, role: string, extra?: { title?: string; payload?: string }): Promise { + await this.#connect(); + const f = await this.#request((id) => ({ t: 'invite', docId, inviteeDid, role, id, ...extra })); + if (f.t !== 'invited') throw new Error('invite failed'); + return f.invitation; + } + + async *inbox(): AsyncIterable { + await this.#connect(); + if (!this.#subbedInbox) { + this.#subbedInbox = true; + this._send({ t: 'sub-inbox' }); + } + const queue: Invitation[] = [...this.#inboxBuffer]; + this.#inboxBuffer = []; + let notify: (() => void) | undefined; + const handler = (inv: Invitation) => { + queue.push(inv); + notify?.(); + }; + this.#inboxHandlers.add(handler); + try { + while (true) { + if (queue.length) { + yield queue.shift()!; + continue; + } + await new Promise((r) => (notify = r)); + } + } finally { + this.#inboxHandlers.delete(handler); + } + } + + async accept(token: string): Promise { + await this.#connect(); + const f = await this.#request((id) => ({ t: 'accept', token, id })); + if (f.t !== 'accepted') throw new Error('accept failed'); + return { + docId: f.result.docId, + role: f.result.role, + snapshot: f.result.snapshotB64 ? fromB64(f.result.snapshotB64) : null, + atSeq: f.result.atSeq, + }; + } + + fetchSnapshot(): Promise<{ bytes: Uint8Array; atSeq: number } | null> { + // Snapshots arrive via accept() in this transport; direct fetch is unused. + return Promise.resolve(null); + } + + /** Publish this DID's MLS KeyPackage to the relay's directory. */ + async publishKeyPackage(bytes: Uint8Array): Promise { + await this.#connect(); + this._send({ t: 'pub-kp', b64: toB64(bytes) }); + } + + /** Fetch a member's published KeyPackage, if any. */ + async getKeyPackage(did: string): Promise { + await this.#connect(); + const f = await this.#request((id) => ({ t: 'get-kp', did, id })); + return f.t === 'kp' && f.b64 ? fromB64(f.b64) : null; + } + + /** Fetch an invitation by token (deep-link accepts; invitee-only). */ + async getInvite(token: string): Promise { + await this.#connect(); + const f = await this.#request((id) => ({ t: 'get-invite', token, id })); + return f.t === 'invite-info' ? f.invitation : null; + } + + /** Whether the relay connection is currently up. */ + get connected(): boolean { + return this.#ws?.readyState === WebSocket.OPEN; + } + + close() { + this.#ws?.close(); + } +} diff --git a/src/types.ts b/src/types.ts index c5c666c..8134400 100644 --- a/src/types.ts +++ b/src/types.ts @@ -28,6 +28,37 @@ export interface ModelEntry { hasIcon: boolean; } +export interface SyncMember { + did: string; + handle?: string; + role: string; +} + +export interface SyncFrame { + seq: number; + author: string; + role: string; + b64: string; +} + +export interface PendingInvitation { + token: string; + docId: string; + title: string; + inviterDid: string; + inviterHandle?: string; + role: string; + createdAt: number; +} + +export interface SyncState { + identity: { did: string; handle: string }; + at: { signedIn: boolean; handle?: string; did?: string }; + relayOk: boolean; + invitations: PendingInvitation[]; + docs: Record; +} + export interface ServerState { recents: RecentEntry[]; models: ModelEntry[]; @@ -36,6 +67,7 @@ export interface ServerState { mainBounds?: Bounds; tileServerPort: number; desktop: boolean; + sync?: SyncState; } export interface Bounds { diff --git a/src/ui/data-protocol.ts b/src/ui/data-protocol.ts index 0597f91..5415cee 100644 --- a/src/ui/data-protocol.ts +++ b/src/ui/data-protocol.ts @@ -2,7 +2,10 @@ // the shuttle forwards `tiles-protocol-up-data-*` messages from the tile up // to this window, and relays `tiles-protocol-down-data-payload` back down. // Ziran routes `ziranStore` payloads (the store.js loadData/putData contract) -// to the backend, which rewrites the tile file's self-storage. +// to the backend, which rewrites the tile file's self-storage — and +// `ziranSync` payloads (the sync.js channel) to the runtime's collaboration +// manager. The tile only ever sees opaque, attributed frames; keys and +// membership never cross this bridge. import { backend } from '../state/backend.ts'; @@ -17,6 +20,26 @@ interface StoreRequest { data?: Uint8Array; } +interface SyncRequest { + kind: 'hello' | 'send' | 'ephemeral'; + data?: Uint8Array | ArrayBuffer; +} + +function toB64(data: Uint8Array | ArrayBuffer | undefined): string { + const bytes = data instanceof Uint8Array ? data : new Uint8Array(data ?? new ArrayBuffer(0)); + let bin = ''; + for (const b of bytes) bin += String.fromCharCode(b); + return btoa(bin).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, ''); +} + +function fromB64(s: string): Uint8Array { + const pad = s.replace(/-/g, '+').replace(/_/g, '/'); + const bin = atob(pad + '='.repeat((4 - (pad.length % 4)) % 4)); + const out = new Uint8Array(bin.length); + for (let i = 0; i < bin.length; i++) out[i] = bin.charCodeAt(i); + return out; +} + class DataProtocolHub { #frames = new Map(); @@ -29,7 +52,53 @@ class DataProtocolHub { if (action === UP_PAYLOAD && ev.data.payload?.ziranStore) { this.#handleStore(docId, ev.data.payload.ziranStore as StoreRequest); } + if (action === UP_PAYLOAD && ev.data.payload?.ziranSync) { + this.#handleSync(docId, ev.data.payload.ziranSync as SyncRequest); + } }); + // Incoming collaboration traffic: decrypted host-side, forwarded down to + // whichever registered tile the doc id belongs to. + const on = (type: string, fn: (d: Record) => void) => + backend.events.addEventListener(type, (ev) => fn((ev as CustomEvent).detail)); + on('sync-msg', (d) => + this.send(String(d.docId), { + ziranSync: { + kind: 'message', + seq: d.seq, + author: d.author, + role: d.role, + data: fromB64(String(d.b64)), + }, + })); + on('sync-eph', (d) => + this.send(String(d.docId), { + ziranSync: { kind: 'ephemeral', author: d.author, role: d.role, data: fromB64(String(d.b64)) }, + })); + on('sync-roster', (d) => + this.send(String(d.docId), { ziranSync: { kind: 'roster', roster: d.roster } })); + on('sync-ready', (d) => + this.send(String(d.docId), { ziranSync: { kind: 'ready', me: d.me, roster: d.roster } })); + } + + async #handleSync(docId: string, req: SyncRequest): Promise { + try { + if (req.kind === 'hello') { + const at = await backend.syncAttach(docId); + if (!at.shared) return; // solo doc: the tile simply never gets 'ready' + this.send(docId, { ziranSync: { kind: 'ready', me: at.me, roster: at.roster } }); + for (const m of at.buffered ?? []) { + this.send(docId, { + ziranSync: { kind: 'message', seq: m.seq, author: m.author, role: m.role, data: fromB64(m.b64) }, + }); + } + } else if (req.kind === 'send') { + await backend.syncSend(docId, toB64(req.data)); + } else if (req.kind === 'ephemeral') { + await backend.syncEphemeral(docId, toB64(req.data)); + } + } catch { + // Sync hiccups must never break the tile; the panel shows relay state. + } } async #handleStore(docId: string, req: StoreRequest): Promise { diff --git a/static/app.js b/static/app.js index cca86fc..9cf1fff 100644 --- a/static/app.js +++ b/static/app.js @@ -645,12 +645,19 @@ async function post(url, body) { } var backend = { onState: void 0, + /** Non-state events (sync traffic); fan-out to whoever subscribes. */ + events: new EventTarget(), connect(winId) { const ws = new WebSocket(keyed(`ws://${location.host}/api/events?win=${encodeURIComponent(winId)}`)); ws.addEventListener("message", (ev) => { try { const msg = JSON.parse(ev.data); if (msg.type === "state") this.onState?.(msg.state); + else if (typeof msg.type === "string") { + this.events.dispatchEvent(new CustomEvent(msg.type, { + detail: msg + })); + } } catch { } }); @@ -706,6 +713,25 @@ var backend = { if (!res.ok) throw new Error(data.error ?? "import failed"); return data; }, + /* ——— collaboration ——— */ + syncShare: (docId) => post(`/api/docs/${docId}/sync/share`), + syncInvite: (docId, did, role) => post(`/api/docs/${docId}/sync/invite`, { + did, + role + }), + syncAttach: (docId) => post(`/api/docs/${docId}/sync/attach`), + syncSend: (docId, b64) => post(`/api/docs/${docId}/sync/send`, { + b64 + }), + syncEphemeral: (docId, b64) => post(`/api/docs/${docId}/sync/ephemeral`, { + b64 + }), + acceptInvitation: (token) => post(`/api/invitations/${token}/accept`), + dismissInvitation: (token) => post(`/api/invitations/${token}/dismiss`), + atSignIn: (identifier) => post("/api/at/signin", { + identifier + }), + atSignOut: () => post("/api/at/signout"), loadData: async (docId, name) => { const res = await fetch(`/api/docs/${docId}/data/${name}`, { headers: authHeaders() @@ -754,6 +780,7 @@ var DeskStore = class extends EventTarget { tileServerPort = 0; desktop = false; connected = false; + sync; /** Which window this page renders. */ winId = "base"; sawMyWindow = false; @@ -770,6 +797,7 @@ var DeskStore = class extends EventTarget { this.windows = state.windows; this.tileServerPort = state.tileServerPort; this.desktop = state.desktop; + this.sync = state.sync; this.connected = true; this.docs = new Map(state.open.map((d3) => [ d3.id, @@ -1000,6 +1028,66 @@ var DeskStore = class extends EventTarget { this.toast(`Could not reveal: ${err.message}`); } } + /* ——— collaboration ——— */ + /** Live-session info for a doc, if it is shared. */ + syncDoc(docId) { + return this.sync?.docs?.[docId]; + } + async startSharing(docId) { + try { + await backend.syncShare(docId); + this.toast("This document is now live \u2014 invite people from this panel"); + } catch (err) { + this.toast(`Could not start sharing: ${err.message}`); + } + } + /** Returns the share link on success (also toasts it). */ + async invite(docId, did, role) { + try { + const { link } = await backend.syncInvite(docId, did, role); + try { + await navigator.clipboard.writeText(link); + this.toast("Invitation sent \u2014 share link copied to your clipboard"); + } catch { + this.toast(`Invitation sent \u2014 share link: ${link}`); + } + return link; + } catch (err) { + this.toast(`Could not invite: ${err.message}`); + return void 0; + } + } + async acceptInvitation(inv) { + try { + this.handleOpened(await backend.acceptInvitation(inv.token)); + this.toast(`\u201C${inv.title}\u201D is yours now \u2014 synced live with the others`); + } catch (err) { + this.toast(`Could not accept: ${err.message}`); + } + } + async dismissInvitation(inv) { + try { + await backend.dismissInvitation(inv.token); + } catch (err) { + this.toast(err.message); + } + } + async atSignIn(identifier) { + try { + await backend.atSignIn(identifier); + this.toast("Continue in your browser \u2014 Ziran opened your sign-in page"); + } catch (err) { + this.toast(`Could not start sign-in: ${err.message}`); + } + } + async atSignOut() { + try { + await backend.atSignOut(); + this.toast("Signed out \u2014 back to this machine\u2019s local identity"); + } catch (err) { + this.toast(err.message); + } + } toast(message) { this.dispatchEvent(new CustomEvent("toast", { detail: message @@ -1015,6 +1103,19 @@ var desk = new DeskStore(); var UP_PREFIX = "tiles-protocol-up-data-"; var UP_PAYLOAD = `${UP_PREFIX}payload`; var DOWN_PAYLOAD = "tiles-protocol-down-data-payload"; +function toB64(data) { + const bytes = data instanceof Uint8Array ? data : new Uint8Array(data ?? new ArrayBuffer(0)); + let bin = ""; + for (const b3 of bytes) bin += String.fromCharCode(b3); + return btoa(bin).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, ""); +} +function fromB64(s4) { + const pad = s4.replace(/-/g, "+").replace(/_/g, "/"); + const bin = atob(pad + "=".repeat((4 - pad.length % 4) % 4)); + const out = new Uint8Array(bin.length); + for (let i5 = 0; i5 < bin.length; i5++) out[i5] = bin.charCodeAt(i5); + return out; +} var DataProtocolHub = class { #frames = /* @__PURE__ */ new Map(); init() { @@ -1026,7 +1127,72 @@ var DataProtocolHub = class { if (action === UP_PAYLOAD && ev.data.payload?.ziranStore) { this.#handleStore(docId, ev.data.payload.ziranStore); } + if (action === UP_PAYLOAD && ev.data.payload?.ziranSync) { + this.#handleSync(docId, ev.data.payload.ziranSync); + } }); + const on = (type, fn) => backend.events.addEventListener(type, (ev) => fn(ev.detail)); + on("sync-msg", (d3) => this.send(String(d3.docId), { + ziranSync: { + kind: "message", + seq: d3.seq, + author: d3.author, + role: d3.role, + data: fromB64(String(d3.b64)) + } + })); + on("sync-eph", (d3) => this.send(String(d3.docId), { + ziranSync: { + kind: "ephemeral", + author: d3.author, + role: d3.role, + data: fromB64(String(d3.b64)) + } + })); + on("sync-roster", (d3) => this.send(String(d3.docId), { + ziranSync: { + kind: "roster", + roster: d3.roster + } + })); + on("sync-ready", (d3) => this.send(String(d3.docId), { + ziranSync: { + kind: "ready", + me: d3.me, + roster: d3.roster + } + })); + } + async #handleSync(docId, req) { + try { + if (req.kind === "hello") { + const at = await backend.syncAttach(docId); + if (!at.shared) return; + this.send(docId, { + ziranSync: { + kind: "ready", + me: at.me, + roster: at.roster + } + }); + for (const m2 of at.buffered ?? []) { + this.send(docId, { + ziranSync: { + kind: "message", + seq: m2.seq, + author: m2.author, + role: m2.role, + data: fromB64(m2.b64) + } + }); + } + } else if (req.kind === "send") { + await backend.syncSend(docId, toB64(req.data)); + } else if (req.kind === "ephemeral") { + await backend.syncEphemeral(docId, toB64(req.data)); + } + } catch { + } } async #handleStore(docId, req) { const reply = (msg) => this.send(docId, { @@ -1247,6 +1413,163 @@ var ZnBaseWindow = class extends i4 { outline: 2px solid var(--signal-strong); outline-offset: 2px; } + .id-signin { + margin-left: 0; + } + .id-chip { + display: inline-flex; + align-items: center; + gap: 7px; + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + color: var(--on-ink); + background: oklch(0.3 0.01 352); + border: 1px solid transparent; + border-radius: var(--r-full); + padding: 5px 14px; + cursor: pointer; + white-space: nowrap; + transition: background var(--t-fast) var(--ease-out); + } + .id-chip:hover { + background: oklch(0.35 0.012 352); + } + .id-chip:focus-visible { + outline: 2px solid var(--signal-strong); + outline-offset: 2px; + } + .id-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + } + .id-pop { + top: 60px; + right: var(--sp-5); + left: auto; + max-width: 320px; + } + .id-did { + margin: var(--sp-1) var(--sp-2); + font-family: var(--font-mono); + font-size: 0.72rem; + color: var(--ink-muted); + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + } + .signin-form { + display: grid; + gap: var(--sp-2); + padding: var(--sp-2); + min-width: 260px; + } + .signin-form label { + font-size: var(--text-sm); + font-weight: var(--w-semibold); + color: var(--ink); + } + .signin-form input { + font: inherit; + font-size: var(--text-sm); + padding: 6px 12px; + border: 1px solid var(--line); + border-radius: var(--r-sm); + color: var(--ink); + background: var(--surface); + } + .signin-form input:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 1px; + } + .menu button.signin-go { + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + border: 1px solid var(--ink); + background: var(--ink); + color: var(--surface); + border-radius: var(--r-full); + padding: 5px 14px; + cursor: pointer; + justify-self: start; + } + .menu button.signin-go:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 2px; + } + .signin-fine { + margin: 0; + font-size: var(--text-xs); + color: var(--ink-muted); + line-height: 1.45; + text-wrap: pretty; + } + .invites { + display: grid; + gap: var(--sp-1); + padding: var(--sp-2) var(--sp-6); + border-bottom: 1px solid var(--line-soft); + background: var(--surface); + } + .invite-row { + display: flex; + align-items: center; + gap: var(--sp-2); + min-height: 32px; + min-width: 0; + } + .invite-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + flex: none; + } + .invite-text { + flex: 1; + min-width: 0; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + font-size: var(--text-sm); + color: var(--ink); + } + .invite-accept, + .invite-dismiss { + font: inherit; + font-size: var(--text-sm); + font-weight: var(--w-medium); + border-radius: var(--r-full); + padding: 3px 12px; + cursor: pointer; + white-space: nowrap; + transition: border-color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out); + } + .invite-accept { + border: 1px solid var(--ink); + background: var(--ink); + color: var(--surface); + } + .invite-accept:hover { + background: var(--ink-strong, var(--ink)); + border-color: var(--ink-strong, var(--ink)); + } + .invite-dismiss { + border: 1px solid var(--line); + background: var(--surface); + color: var(--ink-muted); + } + .invite-dismiss:hover { + border-color: var(--ink-muted); + } + .invite-accept:focus-visible, + .invite-dismiss:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 2px; + } .regions { flex: 1; display: grid; @@ -1538,7 +1861,9 @@ var ZnBaseWindow = class extends i4 { ⌘K + ${this.renderIdentity()} + ${this.renderInvitations()}

Recent

@@ -1576,6 +1901,73 @@ var ZnBaseWindow = class extends i4 { `; } + /** The identity affordance: your AT handle when signed in, a quiet way in + when not. Collaboration works either way — signing in makes you + reachable by handle across machines. */ + renderIdentity() { + const at = desk.sync?.at; + if (at?.signedIn) { + return b2` + + + `; + } + return b2` + + + `; + } + idAction(fn) { + this.renderRoot.querySelector(".id-pop")?.hidePopover(); + fn(); + } + /** Pending invitations: a strip between banner and regions, present only + when someone is actually waiting on you. */ + renderInvitations() { + const invitations = desk.sync?.invitations ?? []; + if (!invitations.length) return A; + return b2` +
+ ${invitations.map((inv) => b2` +
+ + + ${inv.inviterHandle ?? inv.inviterDid} invited you to + “${inv.title}” as ${inv.role} + + + +
+ `)} +
+ `; + } tileIcon(url) { return url ? b2`` : b2`${icons.tile}`; } @@ -1774,6 +2166,19 @@ var ZnConnections = class extends i4 { color: var(--ink-muted); transform: scale(0.9); } + .chip-live { + display: inline-grid; + place-items: center; + min-width: 16px; + height: 16px; + padding: 0 4px; + border-radius: var(--r-full); + background: var(--signal); + color: #fff; + font-size: 0.6875rem; + font-weight: var(--w-semibold); + line-height: 1; + } .mark { display: inline-grid; transform: scale(0.8); @@ -1873,12 +2278,72 @@ var ZnConnections = class extends i4 { outline: 2px solid var(--signal); outline-offset: 2px; } + ul.members { + list-style: none; + margin: 0; + padding: 0; + display: grid; + gap: 2px; + } + ul.members li { + display: flex; + align-items: center; + gap: var(--sp-2); + min-height: 24px; + min-width: 0; + } + .member-name { + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; + } + .presence { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + flex: none; + } + form.invite { + display: flex; + gap: var(--sp-2); + min-width: 0; + } + form.invite input { + flex: 1; + min-width: 0; + font: inherit; + font-size: var(--text-sm); + padding: 3px 10px; + border: 1px solid var(--line); + border-radius: var(--r-full); + background: var(--surface); + color: var(--ink); + } + form.invite input::placeholder { + color: var(--ink-muted); + } + form.invite input:focus-visible, + form.invite select:focus-visible { + outline: 2px solid var(--signal); + outline-offset: 1px; + } + form.invite select { + font: inherit; + font-size: var(--text-sm); + border: 1px solid var(--line); + border-radius: var(--r-full); + background: var(--surface); + color: var(--ink); + padding: 3px 6px; + } ` ]; render() { const d3 = this.doc; const iconUrl = docIconUrl(d3); - const label = `Tile details for ${d3.name}: ${d3.damaged ? "failed verification" : "verified"}` + (d3.modelName ? `, made from the ${d3.modelName} model` : ""); + const live = desk.syncDoc(d3.id); + const label = `Tile details for ${d3.name}: ${d3.damaged ? "failed verification" : "verified"}` + (d3.modelName ? `, made from the ${d3.modelName} model` : "") + (live ? `, live with ${live.members.length} ${live.members.length === 1 ? "member" : "members"}` : ""); return b2` `; } + renderSyncSection() { + const sync = desk.sync; + if (!sync?.relayOk) { + return b2`

+ The relay is unreachable, so live sessions are paused. This document keeps working on + this machine. +

`; + } + const s4 = desk.syncDoc(this.doc.id); + if (!s4) { + return b2` +
+ Only on this machine + +
+

+ Going live keeps the document here and end-to-end encrypted — the relay only ever + carries ciphertext. You choose who joins, and as what. +

+ `; + } + const roles = [ + "editor", + "watcher" + ]; + return b2` +
    + ${s4.members.map((m2) => b2` +
  • + + ${m2.handle ?? m2.did} + ${m2.did === sync.identity.did ? `${m2.role} \xB7 you` : m2.role} +
    • + `)} +
+
+ + + +
+

+ They get the invitation inside Ziran and as a link you can pass along. Accepting + downloads the document to their machine first, then joins them live. +

+ `; + } + async submitInvite(e4) { + e4.preventDefault(); + const form = e4.target; + const did = form.elements.namedItem("did").value.trim(); + const role = form.elements.namedItem("role").value; + if (!did) return; + const link = await desk.invite(this.doc.id, did, role); + if (link) form.elements.namedItem("did").value = ""; + } renderModelSection() { const d3 = this.doc; const saved = d3.modelId ? desk.models.find((m2) => m2.id === d3.modelId) : void 0; @@ -3437,6 +3963,30 @@ var ZnDocWindow = class extends i4 { place-items: center; color: var(--ink-muted); } + .bar .live { + display: inline-flex; + align-items: center; + gap: 6px; + margin-left: var(--sp-2); + font-size: var(--text-sm); + color: var(--ink-muted); + white-space: nowrap; + } + .bar .live-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--signal); + } + @media (prefers-reduced-motion: no-preference) { + .bar .live-dot { + animation: live-pulse 2.4s var(--ease-out) infinite; + } + @keyframes live-pulse { + 0%, 100% { opacity: 1; } + 50% { opacity: 0.45; } + } + } .bar .title { font-weight: var(--w-semibold); font-size: var(--text-ui); @@ -3688,6 +4238,18 @@ var ZnDocWindow = class extends i4 { focusPane(rec) { return rec.panes.find((p3) => p3.id === this.focusPaneId) ?? rec.panes[0]; } + /** The banner space reserved for sync info: present only when the document + is in a live session. The dot is signal pink — semantic (live), not + decoration. */ + renderLive(docId) { + const s4 = desk.syncDoc(docId); + if (!s4) return A; + const n4 = s4.members.length; + return b2` + + ${n4 === 1 ? "live \xB7 only you" : `live \xB7 ${n4} people`} + `; + } tileIcon(docId, size = 18) { const doc = desk.getDoc(docId); const url = doc ? docIconUrl(doc) : void 0; @@ -3719,6 +4281,7 @@ var ZnDocWindow = class extends i4 { @dblclick=${() => this.beginRename()} >${activeDoc.name}`} + ${this.renderLive(activeDoc.id)} ` : A} ${activeDoc ? b2`` : A} diff --git a/tiles/built/checklist.tile b/tiles/built/checklist.tile index 4943262b3fc66f9d89da1a7556f174f9547d9ebf..c7170145d2dba69101c42f7fbe954e87ca919171 100644 GIT binary patch delta 1965 zcmeyOy2oUL45PyIv(4q!$11G#17?>R=>|tEwNx;Y*{q%{ko|Dk*)m_|$u^7|)Hdld zh6)i>x><;64_m#yzJh;2v2K1@YLRY!QA%o2YKm@7e!4<(eojteQhrflNoIbYl|pJ+ zYEh*^az##egT()f`Wp+zCw0tWon8-Ql&y>NouY_ zW{RFdaDGm{jzWGxu|i@&K~AMYN@h`Na!F35o`O$iS!z8*Dm`DJB%>(5G(7`mP;q5m zvR-j&UW$gMLSkMDRC9iwLPU%@%ZB}5@FH8mwQ1uT=Okerd4oSl^FGgsy%PZr~R6$bKdPHKrlPG(uEf~`VYVoq_YH5b^f-^7v(y`sdtl>A%`O}&!*;F6-uymSp?GflnXoXq4@4I>=|Lj%pp z|2XG?V#FskJu$gbAvLe0C^NNKp`a)=C9xz`Av2}eS|K+xuLKkbxeCSk;9yNo%u`5A 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+ + diff --git a/tiles/livetext/manifest.json b/tiles/livetext/manifest.json new file mode 100644 index 0000000..7a982fc --- /dev/null +++ b/tiles/livetext/manifest.json @@ -0,0 +1,20 @@ +{ + "name": "Untitled text", + "description": "Plain text, written together — everyone's cursor in view.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }], + "sizing": { "width": 640, "height": 560 }, + "model": { + "id": "com.berjon.ziran.livetext", + "name": "Live text", + "description": "Plain text, written together — everyone's cursor in view.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }] + }, + "sync": { + "owner": "author", + "roles": { + "author": { "write": true, "admin": true }, + "editor": { "write": true }, + "reader": { "write": false } + } + } +} diff --git a/tiles/livetext/vendor/yjs.js b/tiles/livetext/vendor/yjs.js new file mode 100644 index 0000000..9d6e2df --- /dev/null +++ b/tiles/livetext/vendor/yjs.js @@ -0,0 +1,5 @@ +var A=()=>new Map,qe=e=>{let t=A();return 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+
+
+ +
+
+ + + + + diff --git a/tiles/richtext/manifest.json b/tiles/richtext/manifest.json new file mode 100644 index 0000000..87cbb1f --- /dev/null +++ b/tiles/richtext/manifest.json @@ -0,0 +1,21 @@ +{ + "name": "Untitled document", + "description": "Rich text written together: comments, suggestions, images.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }], + "sizing": { "width": 900, "height": 700 }, + "model": { + "id": "com.berjon.ziran.richtext", + "name": "Rich text", + "description": "Rich text written together: comments, suggestions, images.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }] + }, + "sync": { + "owner": "author", + "roles": { + "author": { "write": true, "admin": true }, + "editor": { "write": true }, + "reviewer": { "write": true }, + "reader": { "write": false } + } + } +} diff --git a/tiles/richtext/vendor/pm.js b/tiles/richtext/vendor/pm.js new file mode 100644 index 0000000..4091293 --- /dev/null +++ b/tiles/richtext/vendor/pm.js @@ -0,0 +1,10 @@ +var 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t=e?r.left:r.right;return{top:r.top,bottom:r.bottom,left:t,right:t}}function Pn(r,e){if(r.height==0)return r;let t=e?r.top:r.bottom;return{top:t,bottom:t,left:r.left,right:r.right}}function hs(r,e,t){let n=r.state,i=r.root.activeElement;n!=e&&r.updateState(e),i!=r.dom&&r.focus();try{return t()}finally{n!=e&&r.updateState(n),i!=r.dom&&i&&i.focus()}}function Ll(r,e,t){let n=e.selection,i=t=="up"?n.$from:n.$to;return hs(r,e,()=>{let{node:s}=r.docView.domFromPos(i.pos,t=="up"?-1:1);for(;;){let l=r.docView.nearestDesc(s,!0);if(!l)break;if(l.node.isBlock){s=l.contentDOM||l.dom;break}s=l.dom.parentNode}let o=cs(r,i.pos,1);for(let l=s.firstChild;l;l=l.nextSibling){let a;if(l.nodeType==1)a=l.getClientRects();else if(l.nodeType==3)a=de(l,0,l.nodeValue.length).getClientRects();else continue;for(let f=0;fc.top+1&&(t=="up"?o.top-c.top>(c.bottom-o.top)*2:c.bottom-o.bottom>(o.bottom-c.top)*2))return!1}}return!0})}var Wl=/[\u0590-\u08ac]/;function Jl(r,e,t){let{$head:n}=e.selection;if(!n.parent.isTextblock)return!1;let i=n.parentOffset,s=!i,o=i==n.parent.content.size,l=r.domSelection();return l?!Wl.test(n.parent.textContent)||!l.modify?t=="left"||t=="backward"?s:o:hs(r,e,()=>{let{focusNode:a,focusOffset:f,anchorNode:c,anchorOffset:h}=r.domSelectionRange(),u=l.caretBidiLevel;l.modify("move",t,"character");let d=n.depth?r.docView.domAfterPos(n.before()):r.dom,{focusNode:p,focusOffset:m}=r.domSelectionRange(),g=p&&!d.contains(p.nodeType==1?p:p.parentNode)||a==p&&f==m;try{l.collapse(c,h),a&&(a!=c||f!=h)&&l.extend&&l.extend(a,f)}catch{}return u!=null&&(l.caretBidiLevel=u),g}):n.pos==n.start()||n.pos==n.end()}var Ei=null,Ai=null,Ii=!1;function $l(r,e,t){return Ei==e&&Ai==t?Ii:(Ei=e,Ai=t,Ii=t=="up"||t=="down"?Ll(r,e,t):Jl(r,e,t))}var 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this.dirty==_&&e.type.eq(this.widget.type)}parseRule(){return{ignore:!0}}stopEvent(e){let t=this.widget.spec.stopEvent;return t?t(e):!1}ignoreMutation(e){return e.type!="selection"||this.widget.spec.ignoreSelection}destroy(){this.widget.type.destroy(this.dom),super.destroy()}get domAtom(){return!0}get ignoreForSelection(){return!!this.widget.type.spec.relaxedSide}get side(){return this.widget.type.side}},qn=class extends Ue{constructor(e,t,n,i){super(e,[],t,null),this.textDOM=n,this.text=i}get size(){return this.text.length}localPosFromDOM(e,t){return e!=this.textDOM?this.posAtStart+(t?this.size:0):this.posAtStart+t}domFromPos(e){return{node:this.textDOM,offset:e}}ignoreMutation(e){return e.type==="characterData"&&e.target.nodeValue==e.oldValue}},Je=class r extends Ue{constructor(e,t,n,i,s){super(e,[],n,i),this.mark=t,this.spec=s}static create(e,t,n,i){let s=i.nodeViews[t.type.name],o=s&&s(t,i,n);return(!o||!o.dom)&&(o=ke.renderSpec(document,t.type.spec.toDOM(t,n),null,t.attrs)),new 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r(e,t,n,i,c,h||null,u)}parseRule(e){if(this.node.type.spec.reparseInView)return null;let t={node:this.node.type.name,attrs:this.node.attrs};if(this.node.type.whitespace=="pre"&&(t.preserveWhitespace="full"),!this.contentDOM)t.getContent=()=>this.node.content;else if(!this.contentLost)t.contentElement=this.contentDOM;else{for(let n=this.children.length-1;n>=0;n--){let i=this.children[n];if(this.dom.contains(i.dom.parentNode)){t.contentElement=i.dom.parentNode;break}}if(!t.contentElement){let n=e&&e.find(i=>i.nodeType==1&&e.indexOf(i.parentNode)<0&&this.dom.contains(i));n?t.contentElement=n:t.getContent=()=>y.empty}}return t}matchesNode(e,t,n){return this.dirty==_&&e.eq(this.node)&&Yt(t,this.outerDeco)&&n.eq(this.innerDeco)}get size(){return this.node.nodeSize}get border(){return this.node.isLeaf?0:1}updateChildren(e,t){let n=this.node.inlineContent,i=t,s=e.composing?this.localCompositionInfo(e,t):null,o=s&&s.pos>-1?s:null,l=s&&s.pos<0,a=new 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0,this.dom.pmViewDesc=this),this.outerDeco=e}selectNode(){this.nodeDOM.nodeType==1&&(this.nodeDOM.classList.add("ProseMirror-selectednode"),(this.contentDOM||!this.node.type.spec.draggable)&&(this.nodeDOM.draggable=!0))}deselectNode(){this.nodeDOM.nodeType==1&&(this.nodeDOM.classList.remove("ProseMirror-selectednode"),(this.contentDOM||!this.node.type.spec.draggable)&&this.nodeDOM.removeAttribute("draggable"))}get domAtom(){return this.node.isAtom}};function Pi(r,e,t,n,i){ps(n,e,r);let s=new Te(void 0,r,e,t,n,n,n);return s.contentDOM&&s.updateChildren(i,0),s}var jt=class r extends Te{constructor(e,t,n,i,s,o){super(e,t,n,i,s,null,o)}parseRule(){let e=this.nodeDOM.parentNode;for(;e&&e!=this.dom&&!e.pmIsDeco;)e=e.parentNode;return{skip:e||!0}}update(e,t,n,i){return this.dirty==ee||this.dirty!=_&&!this.inParent()||!e.sameMarkup(this.node)?!1:(this.updateOuterDeco(t),(this.dirty!=_||e.text!=this.node.text)&&e.text!=this.nodeDOM.nodeValue&&(this.nodeDOM.nodeValue=e.text,i.trackWrites==this.nodeDOM&&(i.trackWrites=null)),this.node=e,this.dirty=_,!0)}inParent(){let e=this.parent.contentDOM;for(let t=this.nodeDOM;t;t=t.parentNode)if(t==e)return!0;return!1}domFromPos(e){return{node:this.nodeDOM,offset:e}}localPosFromDOM(e,t,n){return e==this.nodeDOM?this.posAtStart+Math.min(t,this.node.text.length):super.localPosFromDOM(e,t,n)}ignoreMutation(e){return e.type!="characterData"&&e.type!="selection"}slice(e,t,n){let i=this.node.cut(e,t),s=document.createTextNode(i.text);return new r(this.parent,i,this.outerDeco,this.innerDeco,s,s)}markDirty(e,t){super.markDirty(e,t),this.dom!=this.nodeDOM&&(e==0||t==this.nodeDOM.nodeValue.length)&&(this.dirty=ee)}get domAtom(){return!1}isText(e){return this.node.text==e}},Gt=class extends 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t=this.pos;this.view.state.doc!=this.startDoc&&(t=this.view.posAtCoords(Rt(e))),this.updateAllowDefault(e),this.allowDefault||!t?me(this.view,"pointer"):ba(this.view,t.pos,t.inside,e,this.selectNode)?e.preventDefault():e.button==0&&(this.flushed||L&&this.mightDrag&&!this.mightDrag.node.isAtom||P&&!this.view.state.selection.visible&&Math.min(Math.abs(t.pos-this.view.state.selection.from),Math.abs(t.pos-this.view.state.selection.to))<=2)?(Pt(this.view,k.near(this.view.state.doc.resolve(t.pos)),"pointer"),e.preventDefault()):me(this.view,"pointer")}move(e){this.updateAllowDefault(e),me(this.view,"pointer"),super.move(e)}updateAllowDefault(e){!this.allowDefault&&(Math.abs(this.event.x-e.clientX)>4||Math.abs(this.event.y-e.clientY)>4)&&(this.allowDefault=!0)}delaySelUpdate(){return this.allowDefault?(this.delayedSelectionSync=!0,!0):!1}},er=class extends 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Ds(r,e){clearTimeout(r.input.composingTimeout),e>-1&&(r.input.composingTimeout=setTimeout(()=>Nt(r),e))}function Ts(r){for(r.composing&&(r.input.composing=!1,r.input.compositionEndedAt=Date.now());r.input.compositionNodes.length>0;)r.input.compositionNodes.pop().markParentsDirty()}function wa(r){let e=r.domSelectionRange();if(!e.focusNode)return null;let t=Cl(e.focusNode,e.focusOffset),n=Ml(e.focusNode,e.focusOffset);if(t&&n&&t!=n){let i=n.pmViewDesc,s=r.domObserver.lastChangedTextNode;if(t==s||n==s)return s;if(!i||!i.isText(n.nodeValue))return n;if(r.input.compositionNode==n){let o=t.pmViewDesc;if(!(!o||!o.isText(t.nodeValue)))return n}}return t||n}function Nt(r,e=!1){if(!(pe&&r.domObserver.flushingSoon>=0)){if(r.domObserver.forceFlush(),Ts(r),e||r.docView&&r.docView.dirty){let t=sr(r),n=r.state.selection;return 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t=this._props;this._props=e,e.plugins&&(e.plugins.forEach(ts),this.directPlugins=e.plugins),this.updateStateInner(e.state,t)}setProps(e){let t={};for(let n in this._props)t[n]=this._props[n];t.state=this.state;for(let n in e)t[n]=e[n];this.update(t)}updateState(e){this.updateStateInner(e,this._props)}updateStateInner(e,t){var n;let i=this.state,s=!1,o=!1;e.storedMarks&&this.composing&&(Ts(this),o=!0),this.state=e;let l=i.plugins!=e.plugins||this._props.plugins!=t.plugins;if(l||this._props.plugins!=t.plugins||this._props.nodeViews!=t.nodeViews){let d=es(this);Ya(d,this.nodeViews)&&(this.nodeViews=d,s=!0)}(l||t.handleDOMEvents!=this._props.handleDOMEvents)&&Qn(this),this.editable=Zi(this),Qi(this);let a=vn(this),f=_i(this),c=i.plugins!=e.plugins&&!i.doc.eq(e.doc)?"reset":e.scrollToSelection>i.scrollToSelection?"to selection":"preserve",h=s||!this.docView.matchesNode(e.doc,f,a);(h||!e.selection.eq(i.selection))&&(o=!0);let 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function(e,t){let{$from:n,$to:i}=e.selection,s=n.blockRange(i,f=>f.childCount>0&&f.firstChild.type==r);if(!s)return!1;let o=s.startIndex;if(o==0)return!1;let l=s.parent,a=l.child(o-1);if(a.type!=r)return!1;if(t){let f=a.lastChild&&a.lastChild.type==l.type,c=y.from(f?r.create():null),h=new x(y.from(r.create(null,y.from(l.type.create(null,c)))),f?3:1,0),u=s.start,d=s.end;t(e.tr.step(new E(u-(f?3:1),d,u,d,h,1,!0)).scrollIntoView())}return!0}}var No={};j(No,{InputRule:()=>ne,closeDoubleQuote:()=>Mo,closeSingleQuote:()=>wo,ellipsis:()=>hc,emDash:()=>cc,inputRules:()=>ac,openDoubleQuote:()=>Co,openSingleQuote:()=>Oo,smartQuotes:()=>uc,textblockTypeInputRule:()=>pc,undoInputRule:()=>fc,wrappingInputRule:()=>dc});var ne=class{constructor(e,t,n={}){this.match=e,this.match=e,this.handler=typeof t=="string"?oc(t):t,this.undoable=n.undoable!==!1,this.inCode=n.inCode||!1,this.inCodeMark=n.inCodeMark!==!1}};function oc(r){return function(e,t,n,i){let s=r;if(t[1]){let 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c.undoable&&d.setMeta(s,{transform:d,from:e,to:t,text:n}),r.dispatch(d),!0}return!1}var fc=(r,e)=>{let t=r.plugins;for(let n=0;n=0;a--)o.step(l.steps[a].invert(l.docs[a]));if(s.text){let a=o.doc.resolve(s.from).marks();o.replaceWith(s.from,s.to,r.schema.text(s.text,a))}else o.delete(s.from,s.to);e(o)}return!0}}return!1},cc=new ne(/--$/,"\u2014",{inCodeMark:!1}),hc=new ne(/\.\.\.$/,"\u2026",{inCodeMark:!1}),Co=new ne(/(?:^|[\s\{\[\(\<'"\u2018\u201C])(")$/,"\u201C",{inCodeMark:!1}),Mo=new ne(/"$/,"\u201D",{inCodeMark:!1}),Oo=new ne(/(?:^|[\s\{\[\(\<'"\u2018\u201C])(')$/,"\u2018",{inCodeMark:!1}),wo=new ne(/'$/,"\u2019",{inCodeMark:!1}),uc=[Co,Mo,Oo,wo];function dc(r,e,t=null,n){return new ne(r,(i,s,o,l)=>{let a=t instanceof Function?t(s):t,f=i.tr.delete(o,l),c=f.doc.resolve(o),h=c.blockRange(),u=h&&ze(h,e,a);if(!u)return null;f.wrap(h,u);let d=f.doc.resolve(o-1).nodeBefore;return d&&d.type==e&&Z(f.doc,o-1)&&(!n||n(s,d))&&f.join(o-1),f})}function pc(r,e,t=null){return new ne(r,(n,i,s,o)=>{let l=n.doc.resolve(s),a=t instanceof Function?t(i):t;return l.node(-1).canReplaceWith(l.index(-1),l.indexAfter(-1),e)?n.tr.delete(s,o).setBlockType(s,s,e,a):null})}var Do={};j(Do,{dropCursor:()=>mc});function mc(r={}){return new W({view(e){return new wr(e,r)}})}var wr=class{constructor(e,t){var n;this.editorView=e,this.cursorPos=null,this.element=null,this.timeout=-1,this.lastDragEvent=null,this.width=(n=t.width)!==null&&n!==void 0?n:1,this.color=t.color===!1?void 0:t.color||"black",this.class=t.class,this.handlers=["dragover","dragend","drop","dragleave"].map(i=>{let s=o=>{this[i](o)};return e.dom.addEventListener(i,s),{name:i,handler:s}})}destroy(){this.handlers.forEach(({name:e,handler:t})=>this.editorView.dom.removeEventListener(e,t))}update(e,t){if(this.cursorPos!=null&&t.doc!=e.state.doc)if(this.lastDragEvent){let n=this.computeTarget(this.lastDragEvent);n==this.cursorPos?this.updateOverlay():this.setCursor(n)}else this.updateOverlay()}setCursor(e){e!=this.cursorPos&&(this.cursorPos=e,e==null?(this.element.parentNode.removeChild(this.element),this.element=null):this.updateOverlay())}updateOverlay(){let e=this.editorView.state.doc.resolve(this.cursorPos),t=!e.parent.inlineContent,n,i=this.editorView.dom,s=i.getBoundingClientRect(),o=s.width/i.offsetWidth,l=s.height/i.offsetHeight;if(t){let h=e.nodeBefore,u=e.nodeAfter;if(h||u){let d=this.editorView.nodeDOM(this.cursorPos-(h?h.nodeSize:0));if(d){let p=d.getBoundingClientRect(),m=h?p.bottom:p.top;h&&u&&(m=(m+this.editorView.nodeDOM(this.cursorPos).getBoundingClientRect().top)/2);let g=this.width/2*l;n={left:p.left,right:p.right,top:m-g,bottom:m+g}}}}if(!n){let h=this.editorView.coordsAtPos(this.cursorPos),u=this.width/2*o;n={left:h.left-u,right:h.left+u,top:h.top,bottom:h.bottom}}let a=this.editorView.dom.offsetParent;this.element||(this.element=a.appendChild(document.createElement("div")),this.class&&(this.element.className=this.class),this.element.style.cssText="position: absolute; z-index: 50; pointer-events: none;",this.color&&(this.element.style.backgroundColor=this.color)),this.element.classList.toggle("prosemirror-dropcursor-block",t),this.element.classList.toggle("prosemirror-dropcursor-inline",!t);let f,c;if(!a||a==document.body&&getComputedStyle(a).position=="static")f=-pageXOffset,c=-pageYOffset;else{let h=a.getBoundingClientRect(),u=h.width/a.offsetWidth,d=h.height/a.offsetHeight;f=h.left-a.scrollLeft*u,c=h.top-a.scrollTop*d}this.element.style.left=(n.left-f)/o+"px",this.element.style.top=(n.top-c)/l+"px",this.element.style.width=(n.right-n.left)/o+"px",this.element.style.height=(n.bottom-n.top)/l+"px"}scheduleRemoval(e){clearTimeout(this.timeout),this.timeout=setTimeout(()=>this.setCursor(null),e)}computeTarget(e){let t=this.editorView.posAtCoords({left:e.clientX,top:e.clientY}),n=t&&t.inside>=0&&this.editorView.state.doc.nodeAt(t.inside),i=n&&n.type.spec.disableDropCursor,s=typeof i=="function"?i(this.editorView,t,e):i;if(!t||s)return null;let o=t.pos;if(this.editorView.dragging&&this.editorView.dragging.slice){let l=kt(this.editorView.state.doc,o,this.editorView.dragging.slice);l!=null&&(o=l)}return o}dragover(e){if(!this.editorView.editable)return;this.lastDragEvent=e;let t=this.computeTarget(e);t!=null&&(this.setCursor(t),this.scheduleRemoval(5e3))}dragend(){this.scheduleRemoval(20)}drop(){this.scheduleRemoval(20)}dragleave(e){this.editorView.dom.contains(e.relatedTarget)||this.setCursor(null)}};var Eo={};j(Eo,{GapCursor:()=>z,gapCursor:()=>xc});var z=class r extends k{constructor(e){super(e,e)}map(e,t){let n=e.resolve(t.map(this.head));return r.valid(n)?new r(n):k.near(n)}content(){return x.empty}eq(e){return e instanceof r&&e.head==this.head}toJSON(){return{type:"gapcursor",pos:this.head}}static fromJSON(e,t){if(typeof t.pos!="number")throw new RangeError("Invalid input for GapCursor.fromJSON");return new r(e.resolve(t.pos))}getBookmark(){return new Nr(this.anchor)}static valid(e){let t=e.parent;if(t.inlineContent||!gc(e)||!yc(e))return!1;let n=t.type.spec.allowGapCursor;if(n!=null)return n;let i=t.contentMatchAt(e.index()).defaultType;return i&&i.isTextblock}static findGapCursorFrom(e,t,n=!1){e:for(;;){if(!n&&r.valid(e))return e;let i=e.pos,s=null;for(let o=e.depth;;o--){let l=e.node(o);if(t>0?e.indexAfter(o)0){s=l.child(t>0?e.indexAfter(o):e.index(o)-1);break}else if(o==0)return null;i+=t;let a=e.doc.resolve(i);if(r.valid(a))return a}for(;;){let o=t>0?s.firstChild:s.lastChild;if(!o){if(s.isAtom&&!s.isText&&!S.isSelectable(s)){e=e.doc.resolve(i+s.nodeSize*t),n=!1;continue e}break}s=o,i+=t;let l=e.doc.resolve(i);if(r.valid(l))return l}return null}}};z.prototype.visible=!1;z.findFrom=z.findGapCursorFrom;k.jsonID("gapcursor",z);var Nr=class r{constructor(e){this.pos=e}map(e){return new r(e.map(this.pos))}resolve(e){let t=e.resolve(this.pos);return z.valid(t)?new z(t):k.near(t)}};function To(r){return r.isAtom||r.spec.isolating||r.spec.createGapCursor}function gc(r){for(let e=r.depth;e>=0;e--){let t=r.index(e),n=r.node(e);if(t==0){if(n.type.spec.isolating)return!0;continue}for(let i=n.child(t-1);;i=i.lastChild){if(i.childCount==0&&!i.inlineContent||To(i.type))return!0;if(i.inlineContent)return!1}}return!0}function yc(r){for(let e=r.depth;e>=0;e--){let t=r.indexAfter(e),n=r.node(e);if(t==n.childCount){if(n.type.spec.isolating)return!0;continue}for(let i=n.child(t);;i=i.firstChild){if(i.childCount==0&&!i.inlineContent||To(i.type))return!0;if(i.inlineContent)return!1}}return!0}function xc(){return new W({props:{decorations:Cc,createSelectionBetween(r,e,t){return e.pos==t.pos&&z.valid(t)?new z(t):null},handleClick:Sc,handleKeyDown:bc,handleDOMEvents:{beforeinput:kc}}})}var bc=hn({ArrowLeft:dn("horiz",-1),ArrowRight:dn("horiz",1),ArrowUp:dn("vert",-1),ArrowDown:dn("vert",1)});function dn(r,e){let t=r=="vert"?e>0?"down":"up":e>0?"right":"left";return function(n,i,s){let o=n.selection,l=e>0?o.$to:o.$from,a=o.empty;if(o instanceof C){if(!s.endOfTextblock(t)||l.depth==0)return!1;a=!1,l=n.doc.resolve(e>0?l.after():l.before())}let f=z.findGapCursorFrom(l,e,a);return f?(i&&i(n.tr.setSelection(new z(f))),!0):!1}}function Sc(r,e,t){if(!r||!r.editable)return!1;let n=r.state.doc.resolve(e);if(!z.valid(n))return!1;let i=r.posAtCoords({left:t.clientX,top:t.clientY});return i&&i.inside>-1&&S.isSelectable(r.state.doc.nodeAt(i.inside))?!1:(r.dispatch(r.state.tr.setSelection(new z(n))),!0)}function kc(r,e){if(e.inputType!="insertCompositionText"||!(r.state.selection instanceof z))return!1;let{$from:t}=r.state.selection,n=t.parent.contentMatchAt(t.index()).findWrapping(r.state.schema.nodes.text);if(!n)return!1;let i=y.empty;for(let o=n.length-1;o>=0;o--)i=y.from(n[o].createAndFill(null,i));let s=r.state.tr.replace(t.pos,t.pos,new x(i,0,0));return s.setSelection(C.near(s.doc.resolve(t.pos+1))),r.dispatch(s),!1}function Cc(r){if(!(r.selection instanceof z))return null;let e=document.createElement("div");return e.className="ProseMirror-gapcursor",J.create(r.doc,[te.widget(r.selection.head,e,{key:"gapcursor"})])}export{vs as collab,co as commands,Do as dropcursor,Eo as gapcursor,qs as history,No as inputrules,Hs as keymap,ei as model,po as schemaBasic,So as schemaList,wi as state,gi as transform,Bs as view}; diff --git a/tiles/tictactoe/icon.svg b/tiles/tictactoe/icon.svg new file mode 100644 index 0000000..bcd4768 --- /dev/null +++ b/tiles/tictactoe/icon.svg @@ -0,0 +1,6 @@ + + + + + + diff --git a/tiles/tictactoe/index.html b/tiles/tictactoe/index.html new file mode 100644 index 0000000..95e46be --- /dev/null +++ b/tiles/tictactoe/index.html @@ -0,0 +1,214 @@ + + + + + + TicTacToe + + + +
TicTacToe
+
+
+ +
+ + + diff --git a/tiles/tictactoe/manifest.json b/tiles/tictactoe/manifest.json new file mode 100644 index 0000000..855dc66 --- /dev/null +++ b/tiles/tictactoe/manifest.json @@ -0,0 +1,20 @@ +{ + "name": "Untitled game", + "description": "TicTacToe for two, with an audience.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }], + "sizing": { "width": 420, "height": 560 }, + "model": { + "id": "com.berjon.ziran.tictactoe", + "name": "TicTacToe", + "description": "TicTacToe for two, with an audience.", + "icons": [{ "src": "/icon.svg", "sizes": "any" }] + }, + "sync": { + "owner": "x", + "roles": { + "x": { "write": true, "admin": true }, + "o": { "write": true, "max": 1 }, + "watcher": { "write": false, "seesRoles": ["x", "o"] } + } + } +} diff --git a/tools/build-tiles.ts b/tools/build-tiles.ts index 0500188..7fcd0d1 100644 --- a/tools/build-tiles.ts +++ b/tools/build-tiles.ts @@ -33,6 +33,27 @@ async function buildTileDir(dir: string, out: string): Promise { } const tilesRoot = new URL('../tiles/', import.meta.url).pathname; +const toolsRoot = new URL('./', import.meta.url).pathname; + +// Vendor third-party libraries INTO the tiles that use them (tiles are +// self-contained; a tile's CRDT/editor is its own business and ships in the +// .tile file). Regenerated on every build. +const VENDORED: Array<{ entry: string; into: string[] }> = [ + { entry: 'entries/yjs-entry.ts', into: ['livetext/vendor/yjs.js'] }, + { entry: 'entries/pm-entry.ts', into: ['richtext/vendor/pm.js'] }, +]; +for (const v of VENDORED) { + for (const dest of v.into) { + const out = join(tilesRoot, dest); + await Deno.mkdir(join(out, '..'), { recursive: true }); + const cmd = await new Deno.Command(Deno.execPath(), { + args: ['bundle', '--platform', 'browser', '--minify', '-o', out, join(toolsRoot, v.entry)], + }).output(); + if (!cmd.success) throw new Error(`bundling ${v.entry} failed: ${new TextDecoder().decode(cmd.stderr)}`); + console.log(`vendored ${dest} (${(await Deno.stat(out)).size} bytes)`); + } +} + const outDir = join(tilesRoot, 'built'); await Deno.mkdir(outDir, { recursive: true }); for await (const entry of Deno.readDir(tilesRoot)) { diff --git a/tools/entries/pm-entry.ts b/tools/entries/pm-entry.ts new file mode 100644 index 0000000..0a812be --- /dev/null +++ b/tools/entries/pm-entry.ts @@ -0,0 +1,15 @@ +// ProseMirror bundle for the rich-text tile (vendored; tiles are +// self-contained). deno task build:tiles regenerates. +export * as state from 'prosemirror-state'; +export * as view from 'prosemirror-view'; +export * as model from 'prosemirror-model'; +export * as transform from 'prosemirror-transform'; +export * as collab from 'prosemirror-collab'; +export * as history from 'prosemirror-history'; +export * as keymap from 'prosemirror-keymap'; +export * as commands from 'prosemirror-commands'; +export * as schemaBasic from 'prosemirror-schema-basic'; +export * as schemaList from 'prosemirror-schema-list'; +export * as inputrules from 'prosemirror-inputrules'; +export * as dropcursor from 'prosemirror-dropcursor'; +export * as gapcursor from 'prosemirror-gapcursor'; diff --git a/tools/entries/yjs-entry.ts b/tools/entries/yjs-entry.ts new file mode 100644 index 0000000..857ac00 --- /dev/null +++ b/tools/entries/yjs-entry.ts @@ -0,0 +1,3 @@ +// Bundled into tiles that choose Yjs as their CRDT (vendored per-tile; tiles +// are self-contained). deno task build:tiles regenerates. +export * from 'yjs'; diff --git a/tools/mac-bundle.ts b/tools/mac-bundle.ts index b5be181..ee2b359 100644 --- a/tools/mac-bundle.ts +++ b/tools/mac-bundle.ts @@ -60,10 +60,18 @@ const exportedTypes = [ }, }, ]; +// ziran:// deep links (invitation accepts arrive as URL open-events). +const urlTypes = [{ + CFBundleURLName: 'com.berjon.ziran.link', + CFBundleURLSchemes: ['ziran'], +}]; + await run('plutil', ['-remove', 'CFBundleDocumentTypes', plist], true); await run('plutil', ['-remove', 'UTExportedTypeDeclarations', plist], true); +await run('plutil', ['-remove', 'CFBundleURLTypes', plist], true); await run('plutil', ['-insert', 'CFBundleDocumentTypes', '-json', JSON.stringify(documentTypes), plist]); await run('plutil', ['-insert', 'UTExportedTypeDeclarations', '-json', JSON.stringify(exportedTypes), plist]); +await run('plutil', ['-insert', 'CFBundleURLTypes', '-json', JSON.stringify(urlTypes), plist]); console.log('document types declared'); // 3. Tell LaunchServices. diff --git a/vendor/web-tiles/sync.js b/vendor/web-tiles/sync.js new file mode 100644 index 0000000..4adda0d --- /dev/null +++ b/vendor/web-tiles/sync.js @@ -0,0 +1,110 @@ +// Ziran tp-sync: an opaque, attributed, ordered collaboration channel for +// tiles. Like store.js, it rides the tp-data tiles protocol — the tile never +// learns how messages travel, who is invited, or how rights are enforced. +// Membership and invitations live entirely in the runtime chrome; there is +// deliberately NO membership-mutation surface here. +// +// import { sync } from '/.well-known/web-tiles/sync.js'; +// sync.onMessage(({ author, role, seq, bytes }) => …); // durable, ordered +// sync.send(bytes); // append to the log +// sync.onEphemeral(({ author, role, bytes }) => …); // presence lane +// sync.sendEphemeral(bytes); // not stored +// sync.onRoster((list) => …); sync.roster(); // role-filtered +// sync.onReady((me) => …); sync.me(); // {did, handle, role} +// +// `bytes` is always a Uint8Array; the tile owns its meaning (CRDT deltas, +// game moves, whatever). Attribution is runtime-attested: `author` is a DID +// the runtime verified, so a tile can safely reject messages that a given +// role/author is not allowed to make. + +import { addDataHandler, listen, sendData } from '/.well-known/web-tiles/data.js'; + +const messageHandlers = new Set(); +const ephemeralHandlers = new Set(); +const rosterHandlers = new Set(); +const readyHandlers = new Set(); + +let ready = false; +let me = null; +let currentRoster = []; +let seq = 0; // strict server order; runtime tags every durable message + +function toBytes(data) { + if (data == null) return new Uint8Array(0); + if (data instanceof Uint8Array) return data; + if (data instanceof ArrayBuffer) return new Uint8Array(data); + if (ArrayBuffer.isView(data)) return new Uint8Array(data.buffer, data.byteOffset, data.byteLength); + throw new TypeError('sync payloads must be Uint8Array / ArrayBuffer'); +} + +addDataHandler((payload) => { + const msg = payload && payload.ziranSync; + if (!msg) return; + switch (msg.kind) { + case 'ready': + ready = true; + me = msg.me; + currentRoster = msg.roster ?? []; + for (const h of readyHandlers) h(me); + for (const h of rosterHandlers) h(currentRoster); + break; + case 'message': { + // Attach-replay and live delivery can overlap: drop duplicates so the + // tile sees each seq exactly once, in order. + if (typeof msg.seq === 'number') { + if (msg.seq <= seq) break; + seq = msg.seq; + } + const ev = { author: msg.author, role: msg.role, seq: msg.seq, bytes: toBytes(msg.data) }; + for (const h of messageHandlers) h(ev); + break; + } + case 'ephemeral': { + const ev = { author: msg.author, role: msg.role, bytes: toBytes(msg.data) }; + for (const h of ephemeralHandlers) h(ev); + break; + } + case 'roster': + currentRoster = msg.roster ?? []; + if (msg.me) me = msg.me; + for (const h of rosterHandlers) h(currentRoster); + break; + } +}); +listen(); +// Announce the tile is wired and ask the runtime for the opening state. +sendData({ ziranSync: { kind: 'hello' } }); + +function on(set, handler) { + set.add(handler); + return () => set.delete(handler); +} + +export const sync = { + /** Append a durable, ordered, attributed message to the document log. */ + send(data) { + sendData({ ziranSync: { kind: 'send', data: toBytes(data) } }); + }, + /** Send a presence-lane message: fanned out live to peers, never stored. */ + sendEphemeral(data) { + sendData({ ziranSync: { kind: 'ephemeral', data: toBytes(data) } }); + }, + onMessage: (h) => on(messageHandlers, h), + onEphemeral: (h) => on(ephemeralHandlers, h), + onRoster: (h) => on(rosterHandlers, h), + /** Fires once the channel is attached; also immediately if already ready. */ + onReady(h) { + if (ready) h(me); + return on(readyHandlers, h); + }, + /** Current participants visible to this role: [{ did, handle, role }]. */ + roster: () => currentRoster.slice(), + /** This participant: { did, handle, role } — null until ready. */ + me: () => me, + get ready() { + return ready; + }, + get lastSeq() { + return seq; + }, +}; diff --git a/website/Caddyfile b/website/Caddyfile new file mode 100644 index 0000000..d1831fb --- /dev/null +++ b/website/Caddyfile @@ -0,0 +1,15 @@ +# Internal vhost — served only behind the supramundane front proxy. +# Public domain, TLS, and privacy headers are handled by the front +# (see sites/ziran-web.caddy on the front, generated by `sm deploy`). +:80 { + # Canonical host: www → apex. + @www header_regexp host Host ^www\.(.+)$ + redir @www https://{re.host.1}{uri} permanent + + # Share links live on the relay; keep pretty ziran.space/i/… links working. + redir /i/* https://relay.ziran.space{uri} temporary + + root * /srv + try_files {path} /index.html + file_server +} diff --git a/website/Dockerfile b/website/Dockerfile new file mode 100644 index 0000000..2095e09 --- /dev/null +++ b/website/Dockerfile @@ -0,0 +1,3 @@ +FROM caddy:2.11.2-alpine +COPY site/ /srv/ +COPY Caddyfile /etc/caddy/Caddyfile diff --git a/website/README.md b/website/README.md new file mode 100644 index 0000000..3eb9eab --- /dev/null +++ b/website/README.md @@ -0,0 +1,14 @@ +# ziran-web — sm service + +The ziran.space website: a static, self-contained landing page (no build step, +no trackers, no secrets). + +Deploy: + +```sh +cd website +sm deploy # or: sm deploy --local (serves ziran.bast) +``` + +`/i/` share links redirect to the relay (relay.ziran.space), so invite +links can be written against the bare domain. diff --git a/website/compose.yaml b/website/compose.yaml new file mode 100644 index 0000000..21d8d7e --- /dev/null +++ b/website/compose.yaml @@ -0,0 +1,12 @@ +services: + ziran-web: + build: . + restart: unless-stopped + container_name: ziran-web + networks: + - default + +networks: + default: + name: supramundane + external: true diff --git a/website/service.json b/website/service.json new file mode 100644 index 0000000..ca81879 --- /dev/null +++ b/website/service.json @@ -0,0 +1,11 @@ +{ + "name": "ziran-web", + "type": "static", + "domains": { + "local": ["ziran.bast", "www.ziran.bast"], + "prod": ["ziran.space", "www.ziran.space"] + }, + "headers": true, + "upstreamPort": 80, + "data": false +} diff --git a/website/site/index.html b/website/site/index.html new file mode 100644 index 0000000..6e77506 --- /dev/null +++ b/website/site/index.html @@ -0,0 +1,430 @@ + + + + + +Ziran — all your documents, one medium + + + + + + + + + + +
+
+
+

The document stack is fragmented.
It doesn't have to be.

+
+ PDF Word Google Docs Excel Sheets + PowerPoint Keynote tiles +
+

+ Text, tables, decks, games, anything: a tile is one file that does what all of + those do, because it brings its own editor along. Open it in ten years and it + still knows how to edit itself. +

+
+
+ +
+
+

Documents that carry their own editor

+
+
+

Self-editing

+
+

+ A tile packs content and editor together, addressed by cryptographic + fingerprint. If the fingerprint matches, nothing has tampered with your + document since it was written, and no app upgrade can orphan it. +

+

+ Any document can become a model: the editor without its data, a fresh + starting point you keep in your library. +

+
+
+
+

Local-first

+
+

+ Your documents are files on your machine. No cloud required, no account + required, nothing phones home. Ziran works entirely offline; the network + is something you opt into, one document at a time. +

+
+
+
+

Safe by construction

+
+

+ Tiles run in strict isolation: a document can edit itself, and that is all + it can do. It never sees your other documents, your identity, or the + network. The runtime holds the keys — tiles never do. +

+
+
+
+
+
+ +
+
+

Together, without a middleman that reads

+

+ Go live on any document and invite people by their AT handle, the identity they + already have. Accepting downloads the document to their machine first; then it + syncs, live. +

+
    +
  • + + End-to-end encrypted. Live sessions use MLS group + encryption. The relay orders and stores ciphertext. It can never read your + documents. +
    • +
  • + + Roles the document defines. An editor, a reviewer, one + chess opponent and any number of watchers: each document declares its roles + and enforces what they mean. +
    • +
  • + + Everyone keeps a real copy. Collaboration is between + copies you each own, not access to someone else's server. Leave any time; + your document stays yours. +
    • +
+
+
+ +
+
+

Get Ziran

+

+ Ziran is a desktop app: one small download, everything included. +

+
+ macOS · Apple Silicon & Intel + Windows · x64 + Linux · x64 & arm64 +
+

+ The first public build is being prepared. In the meantime, Ziran is being built + in the open; follow along at berjon.com. +

+
+
+
+ +
+
+ + + ziran + + Local-first · end-to-end encrypted · no account required + Made by Robin Berjon +
+
+ + +
+
+ +
+

All your documents. One medium.

+

+ Ziran is a local-first document environment built on tiles: documents that carry + their own editor, live on your machine, and sync end-to-end encrypted the moment + you invite someone in. +

+
+ Get Ziran + How it works +
+
+ +
+