dorfteich/apps/collab/src/index.ts
Claude Opus 4.8 9d288b2ad0
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Wire real permissions into collab tokens and revocation (#53)
Live editing now obeys the same rules as REST: the collab-token mode comes
from the shared grant resolution, anonymous visitors can join public pages,
and revoking write access flips a running session to read-only within
seconds.

- Anonymous public tokens: `GET /pages/:id/collab-token` is `@Public()` but
  still permission-guarded, so a logged-out visitor gets an `ro` token where
  a `public` grant makes the page readable (404 otherwise). The token's
  `userId` is nullable (shared schema + collab context) for anonymous
  subjects.
- Prompt revocation: the pond-level NOTIFY (#39) now also fires on label
  tree/assignment changes (LabelsService move/remove/assign/unassign), and
  the collab server closes the *actual* WebSocket instead of only sending an
  application-level close message. Hocuspocus' `closeConnections` leaves the
  socket open so the client only re-checks on its ~30s message timeout;
  `closeDocumentConnections` drops the socket so the client reconnects and
  re-authenticates with a freshly-resolved token at once — the "within
  seconds" downgrade the milestone promises.
- Tests: the #52 fixture matrix gains anonymous cases (public grant → `ro`,
  none → 404); a collab db test proves an editor downgraded to reader goes
  read-only on reconnect (its post-downgrade edits no longer reach a peer);
  a new browser `collab-permissions` pack covers the read-only participant
  and the live downgrade end to end (new plain `fixture-editor` account).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
2026-07-09 18:48:42 +02:00

81 lines
3.2 KiB
TypeScript

import { collabEnvSchema, parseEnv } from '@dorfteich/shared';
import { Client } from 'pg';
import { createAccessListener } from './access-listener.js';
import { createPool, pingDatabase } from './db.js';
import { createLogger } from './logger.js';
import { PostgresPagePersistence } from './persistence.js';
import { createRestoreListener } from './restore-listener.js';
import { closeDocumentConnections, createCollabServer } from './server.js';
import { PostgresSessionRegistry } from './session-registry.js';
import { PostgresVersionStore } from './version-store.js';
/**
* Entry point of the collaboration server (ADR 0003). Validates the
* environment, opens a database pool for the health probe, and starts the
* Hocuspocus server. A clean shutdown closes both so the container stops fast.
*/
async function bootstrap(): Promise<void> {
// Validate configuration up front; crash with a readable list on problems.
const env = parseEnv(collabEnvSchema, process.env);
const logger = createLogger(env);
const pool = createPool(env.DATABASE_URL);
// Created before the server (the server's hooks call markOpen/markClosed);
// its heartbeat gets the server's open-document accessor at start() below,
// which sidesteps the mutual reference between the two.
const sessionRegistry = new PostgresSessionRegistry({ pool, logger });
const versionStore = new PostgresVersionStore({ pool, logger });
const server = createCollabServer({
version: env.APP_VERSION,
logger,
tokenSecret: env.COLLAB_TOKEN_SECRET,
pingDatabase: () => pingDatabase(pool),
persistence: new PostgresPagePersistence(pool),
sessionRegistry,
versionStore,
});
// Terminate live sessions when access to a pond is revoked (issue #39). The
// listener owns a dedicated connection because `LISTEN` is connection-bound
// and cannot be served from the pool.
const accessListener = createAccessListener({
createClient: () => new Client({ connectionString: env.DATABASE_URL }),
pool,
openDocumentNames: () => [...server.hocuspocus.documents.keys()],
closeConnections: (documentName) => closeDocumentConnections(server.hocuspocus, documentName),
logger,
});
// Applies api-requested restores to the live document (issue #42).
const restoreListener = createRestoreListener({
createClient: () => new Client({ connectionString: env.DATABASE_URL }),
pool,
openDirectConnection: (documentName) =>
server.hocuspocus.openDirectConnection(documentName, { userId: 'restore', mode: 'rw' }),
logger,
});
await server.listen(env.PORT);
await accessListener.start();
await restoreListener.start();
sessionRegistry.start(() => [...server.hocuspocus.documents.keys()]);
logger.info({ event: 'listen', port: env.PORT }, 'collaboration server listening');
const shutdown = (signal: NodeJS.Signals): void => {
logger.info({ event: 'shutdown', signal }, 'shutting down');
sessionRegistry.stop();
void Promise.allSettled([
accessListener.stop(),
restoreListener.stop(),
server.destroy(),
pool.end(),
]).then(() => process.exit(0));
};
process.on('SIGTERM', () => shutdown('SIGTERM'));
process.on('SIGINT', () => shutdown('SIGINT'));
}
void bootstrap();