Pass Request signal down from API controllers

scripts/admin.ts

@@ -19,5 +19,5 @@ async function publish(t: EventStub) {
     ...t,
   });
 
-  await pipeline.handleEvent(event);
+  await pipeline.handleEvent(event, AbortSignal.timeout(5000));
 }

src/controllers/activitypub/actor.ts

@@ -7,11 +7,12 @@ import type { AppContext, AppController } from '@/app.ts';
 
 const actorController: AppController = async (c) => {
   const username = c.req.param('username');
+  const { signal } = c.req.raw;
 
-  const user = await findUser({ username });
+  const user = await findUser({ username }, signal);
   if (!user) return notFound(c);
 
-  const event = await getAuthor(user.pubkey);
+  const event = await getAuthor(user.pubkey, { signal });
   if (!event) return notFound(c);
 
   const actor = await renderActor(event, user.username);

src/controllers/api/accounts.ts

@@ -132,9 +132,10 @@ const accountStatusesController: AppController = async (c) => {
   const pubkey = c.req.param('pubkey');
   const { since, until } = paginationSchema.parse(c.req.query());
   const { pinned, limit, exclude_replies, tagged } = accountStatusesQuerySchema.parse(c.req.query());
+  const { signal } = c.req.raw;
 
   if (pinned) {
-    const [pinEvent] = await eventsDB.query([{ kinds: [10001], authors: [pubkey], limit: 1 }]);
+    const [pinEvent] = await eventsDB.query([{ kinds: [10001], authors: [pubkey], limit: 1 }], { signal });
     if (pinEvent) {
       const pinnedEventIds = getTagSet(pinEvent.tags, 'e');
       return renderStatuses(c, [...pinnedEventIds].reverse());
@@ -156,7 +157,7 @@ const accountStatusesController: AppController = async (c) => {
     filter['#t'] = [tagged];
   }
 
-  let events = await eventsDB.query([filter]);
+  let events = await eventsDB.query([filter], { signal });
 
   if (exclude_replies) {
     events = events.filter((event) => !findReplyTag(event.tags));
@@ -292,10 +293,11 @@ const unblockController: AppController = async (c) => {
 const favouritesController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const params = paginationSchema.parse(c.req.query());
+  const { signal } = c.req.raw;
 
   const events7 = await eventsDB.query(
     [{ kinds: [7], authors: [pubkey], ...params }],
-    { signal: AbortSignal.timeout(1000) },
+    { signal },
   );
 
   const ids = events7
@@ -304,9 +306,7 @@ const favouritesController: AppController = async (c) => {
 
   const events1 = await eventsDB.query(
     [{ kinds: [1], ids, relations: ['author', 'event_stats', 'author_stats'] }],
-    {
-      signal: AbortSignal.timeout(1000),
-    },
+    { signal },
   );
 
   const statuses = await Promise.all(events1.map((event) => renderStatus(event, c.get('pubkey'))));

src/controllers/api/admin.ts

@@ -38,10 +38,11 @@ const adminAccountsController: AppController = async (c) => {
   }
 
   const { since, until, limit } = paginationSchema.parse(c.req.query());
+  const { signal } = c.req.raw;
 
-  const events = await eventsDB.query([{ kinds: [30361], authors: [Conf.pubkey], since, until, limit }]);
+  const events = await eventsDB.query([{ kinds: [30361], authors: [Conf.pubkey], since, until, limit }], { signal });
   const pubkeys = events.map((event) => event.tags.find(([name]) => name === 'd')?.[1]!);
-  const authors = await eventsDB.query([{ kinds: [0], authors: pubkeys }]);
+  const authors = await eventsDB.query([{ kinds: [0], authors: pubkeys }], { signal });
 
   for (const event of events) {
     const d = event.tags.find(([name]) => name === 'd')?.[1];

src/controllers/api/blocks.ts

@@ -6,10 +6,12 @@ import { renderAccounts } from '@/views.ts';
 /** https://docs.joinmastodon.org/methods/blocks/#get */
 const blocksController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
+  const { signal } = c.req.raw;
 
-  const [event10000] = await eventsDB.query([
-    { kinds: [10000], authors: [pubkey], limit: 1 },
-  ]);
+  const [event10000] = await eventsDB.query(
+    [{ kinds: [10000], authors: [pubkey], limit: 1 }],
+    { signal },
+  );
 
   if (event10000) {
     const pubkeys = getTagSet(event10000.tags, 'p');

src/controllers/api/bookmarks.ts

@@ -6,10 +6,12 @@ import { renderStatuses } from '@/views.ts';
 /** https://docs.joinmastodon.org/methods/bookmarks/#get */
 const bookmarksController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
+  const { signal } = c.req.raw;
 
-  const [event10003] = await eventsDB.query([
-    { kinds: [10003], authors: [pubkey], limit: 1 },
-  ]);
+  const [event10003] = await eventsDB.query(
+    [{ kinds: [10003], authors: [pubkey], limit: 1 }],
+    { signal },
+  );
 
   if (event10003) {
     const eventIds = getTagSet(event10003.tags, 'e');

src/controllers/api/instance.ts

@@ -5,8 +5,9 @@ import { eventsDB } from '@/storages.ts';
 
 const instanceController: AppController = async (c) => {
   const { host, protocol } = Conf.url;
+  const { signal } = c.req.raw;
 
-  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }]);
+  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
   const meta = jsonServerMetaSchema.parse(event?.content);
 
   /** Protocol to use for WebSocket URLs, depending on the protocol of the `LOCAL_DOMAIN`. */

src/controllers/api/media.ts

@@ -13,7 +13,9 @@ const mediaBodySchema = z.object({
 });
 
 const mediaController: AppController = async (c) => {
+  const pubkey = c.get('pubkey')!;
   const result = mediaBodySchema.safeParse(await parseBody(c.req.raw));
+  const { signal } = c.req.raw;
 
   if (!result.success) {
     return c.json({ error: 'Bad request.', schema: result.error }, 422);
@@ -21,7 +23,7 @@ const mediaController: AppController = async (c) => {
 
   try {
     const { file, description } = result.data;
-    const media = await uploadFile(file, { pubkey: c.get('pubkey')!, description });
+    const media = await uploadFile(file, { pubkey, description }, signal);
     return c.json(renderAttachment(media));
   } catch (e) {
     console.error(e);

src/controllers/api/notifications.ts

@@ -6,10 +6,11 @@ import { renderNotification } from '@/views/mastodon/notifications.ts';
 const notificationsController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const { since, until } = paginationSchema.parse(c.req.query());
+  const { signal } = c.req.raw;
 
   const events = await eventsDB.query(
     [{ kinds: [1], '#p': [pubkey], since, until }],
-    { signal: AbortSignal.timeout(3000) },
+    { signal },
   );
 
   const statuses = await Promise.all(events.map((event) => renderNotification(event, pubkey)));

src/controllers/api/pleroma.ts

@@ -8,12 +8,14 @@ import { createAdminEvent } from '@/utils/api.ts';
 import { jsonSchema } from '@/schema.ts';
 
 const frontendConfigController: AppController = async (c) => {
+  const { signal } = c.req.raw;
+
   const [event] = await eventsDB.query([{
     kinds: [30078],
     authors: [Conf.pubkey],
     '#d': ['pub.ditto.pleroma.config'],
     limit: 1,
-  }]);
+  }], { signal });
 
   const configs = jsonSchema.pipe(z.array(configSchema)).catch([]).parse(
     event?.content ? await decryptAdmin(Conf.pubkey, event.content) : '',
@@ -35,13 +37,14 @@ const frontendConfigController: AppController = async (c) => {
 
 const configController: AppController = async (c) => {
   const { pubkey } = Conf;
+  const { signal } = c.req.raw;
 
   const [event] = await eventsDB.query([{
     kinds: [30078],
     authors: [pubkey],
     '#d': ['pub.ditto.pleroma.config'],
     limit: 1,
-  }]);
+  }], { signal });
 
   const configs = jsonSchema.pipe(z.array(configSchema)).catch([]).parse(
     event?.content ? await decryptAdmin(pubkey, event.content) : '',
@@ -53,13 +56,14 @@ const configController: AppController = async (c) => {
 /** Pleroma admin config controller. */
 const updateConfigController: AppController = async (c) => {
   const { pubkey } = Conf;
+  const { signal } = c.req.raw;
 
   const [event] = await eventsDB.query([{
     kinds: [30078],
     authors: [pubkey],
     '#d': ['pub.ditto.pleroma.config'],
     limit: 1,
-  }]);
+  }], { signal });
 
   const configs = jsonSchema.pipe(z.array(configSchema)).catch([]).parse(
     event?.content ? await decryptAdmin(pubkey, event.content) : '',

src/controllers/api/search.ts

@@ -25,13 +25,12 @@ type SearchQuery = z.infer<typeof searchQuerySchema>;
 
 const searchController: AppController = async (c) => {
   const result = searchQuerySchema.safeParse(c.req.query());
+  const { signal } = c.req.raw;
 
   if (!result.success) {
     return c.json({ error: 'Bad request', schema: result.error }, 422);
   }
 
-  const signal = AbortSignal.timeout(1000);
-
   const [event, events] = await Promise.all([
     lookupEvent(result.data, signal),
     searchEvents(result.data, signal),
@@ -46,12 +45,12 @@ const searchController: AppController = async (c) => {
   const [accounts, statuses] = await Promise.all([
     Promise.all(
       results
-        .filter((event): event is NostrEvent => event.kind === 0)
+        .filter((event) => event.kind === 0)
         .map((event) => renderAccount(event)),
     ),
     Promise.all(
       results
-        .filter((event): event is NostrEvent => event.kind === 1)
+        .filter((event) => event.kind === 1)
         .map((event) => renderStatus(event, c.get('pubkey'))),
     ),
   ]);

src/controllers/api/statuses.ts

@@ -241,10 +241,12 @@ const pinController: AppController = async (c) => {
 const unpinController: AppController = async (c) => {
   const pubkey = c.get('pubkey')!;
   const eventId = c.req.param('id');
+  const { signal } = c.req.raw;
 
   const event = await getEvent(eventId, {
     kind: 1,
     relations: ['author', 'event_stats', 'author_stats'],
+    signal,
   });
 
   if (event) {
@@ -273,12 +275,13 @@ const zapController: AppController = async (c) => {
   const id = c.req.param('id');
   const body = await parseBody(c.req.raw);
   const params = zapSchema.safeParse(body);
+  const { signal } = c.req.raw;
 
   if (!params.success) {
     return c.json({ error: 'Bad request', schema: params.error }, 400);
   }
 
-  const target = await getEvent(id, { kind: 1, relations: ['author', 'event_stats', 'author_stats'] });
+  const target = await getEvent(id, { kind: 1, relations: ['author', 'event_stats', 'author_stats'], signal });
   const author = target?.author;
   const meta = jsonMetaContentSchema.parse(author?.content);
   const lnurl = getLnurl(meta);

src/controllers/api/timelines.ts

@@ -31,7 +31,9 @@ const hashtagTimelineController: AppController = (c) => {
 };
 
 /** Render statuses for timelines. */
-async function renderStatuses(c: AppContext, filters: DittoFilter[], signal = AbortSignal.timeout(1000)) {
+async function renderStatuses(c: AppContext, filters: DittoFilter[]) {
+  const { signal } = c.req.raw;
+
   const events = await eventsDB.query(
     filters.map((filter) => ({ ...filter, relations: ['author', 'event_stats', 'author_stats'] })),
     { signal },

src/controllers/nostr/relay-info.ts

@@ -4,7 +4,8 @@ import { jsonServerMetaSchema } from '@/schemas/nostr.ts';
 import { eventsDB } from '@/storages.ts';
 
 const relayInfoController: AppController = async (c) => {
-  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }]);
+  const { signal } = c.req.raw;
+  const [event] = await eventsDB.query([{ kinds: [0], authors: [Conf.pubkey], limit: 1 }], { signal });
   const meta = jsonServerMetaSchema.parse(event?.content);
 
   return c.json({

src/controllers/nostr/relay.ts

@@ -78,7 +78,7 @@ function connectStream(socket: WebSocket) {
   async function handleEvent([_, event]: ClientEVENT): Promise<void> {
     try {
       // This will store it (if eligible) and run other side-effects.
-      await pipeline.handleEvent(event);
+      await pipeline.handleEvent(event, AbortSignal.timeout(1000));
       send(['OK', event.id, true, '']);
     } catch (e) {
       if (e instanceof pipeline.RelayError) {

src/db/users.ts

@@ -38,7 +38,7 @@ async function insertUser(user: User) {
     throw new Error('User already exists');
   }
   const event = await buildUserEvent(user);
-  return pipeline.handleEvent(event);
+  return pipeline.handleEvent(event, AbortSignal.timeout(1000));
 }
 
 /**
@@ -48,7 +48,7 @@ async function insertUser(user: User) {
  * await findUser({ username: 'alex' });
  * ```
  */
-async function findUser(user: Partial<User>): Promise<User | undefined> {
+async function findUser(user: Partial<User>, signal?: AbortSignal): Promise<User | undefined> {
   const filter: NostrFilter = { kinds: [30361], authors: [Conf.pubkey], limit: 1 };
 
   for (const [key, value] of Object.entries(user)) {
@@ -65,7 +65,7 @@ async function findUser(user: Partial<User>): Promise<User | undefined> {
     }
   }
 
-  const [event] = await eventsDB.query([filter]);
+  const [event] = await eventsDB.query([filter], { signal });
 
   if (event) {
     return {

src/firehose.ts

@@ -22,6 +22,6 @@ function handleEvent(event: NostrEvent): Promise<void> {
   debug(`NostrEvent<${event.kind}> ${event.id}`);
 
   return pipeline
-    .handleEvent(event)
+    .handleEvent(event, AbortSignal.timeout(5000))
     .catch(() => {});
 }

src/pipeline.ts

@@ -23,8 +23,7 @@ const debug = Debug('ditto:pipeline');
  * Common pipeline function to process (and maybe store) events.
  * It is idempotent, so it can be called multiple times for the same event.
  */
-async function handleEvent(event: DittoEvent): Promise<void> {
-  const signal = AbortSignal.timeout(5000);
+async function handleEvent(event: DittoEvent, signal: AbortSignal): Promise<void> {
   if (!(await verifySignatureWorker(event))) return;
   const wanted = reqmeister.isWanted(event);
   if (await encounterEvent(event, signal)) return;
@@ -203,7 +202,7 @@ async function payZap(event: DittoEvent, signal: AbortSignal) {
       ],
     });
 
-    await handleEvent(nwcRequestEvent);
+    await handleEvent(nwcRequestEvent, signal);
   } catch (e) {
     debug('lnurl error:', e);
   }

src/sign.ts

@@ -5,7 +5,7 @@ import { Debug, type EventTemplate, finishEvent, HTTPException, type NostrEvent
 import { connectResponseSchema } from '@/schemas/nostr.ts';
 import { jsonSchema } from '@/schema.ts';
 import { Sub } from '@/subs.ts';
-import { eventMatchesTemplate, Time } from '@/utils.ts';
+import { eventMatchesTemplate } from '@/utils.ts';
 import { createAdminEvent } from '@/utils/api.ts';
 
 const debug = Debug('ditto:sign');
@@ -87,9 +87,10 @@ async function awaitSignedEvent(
 
   function close(): void {
     Sub.close(messageId);
+    c.req.raw.signal.removeEventListener('abort', close);
   }
 
-  const timeout = setTimeout(close, Time.minutes(1));
+  c.req.raw.signal.addEventListener('abort', close);
 
   for await (const event of sub) {
     const decrypted = await decryptAdmin(event.pubkey, event.content);
@@ -102,7 +103,6 @@ async function awaitSignedEvent(
 
     if (result.success) {
       close();
-      clearTimeout(timeout);
       return result.data.result;
     }
   }

src/storages/pool-store.ts

@@ -16,7 +16,7 @@ interface PoolStoreOpts {
   pool: InstanceType<typeof RelayPoolWorker>;
   relays: WebSocket['url'][];
   publisher: {
-    handleEvent(event: NostrEvent): Promise<void>;
+    handleEvent(event: NostrEvent, signal: AbortSignal): Promise<void>;
   };
 }
 
@@ -25,7 +25,7 @@ class PoolStore implements NStore {
   #pool: InstanceType<typeof RelayPoolWorker>;
   #relays: WebSocket['url'][];
   #publisher: {
-    handleEvent(event: NostrEvent): Promise<void>;
+    handleEvent(event: NostrEvent, signal: AbortSignal): Promise<void>;
   };
 
   constructor(opts: PoolStoreOpts) {
@@ -60,7 +60,7 @@ class PoolStore implements NStore {
         opts.relays ?? this.#relays,
         (event: NostrEvent | null) => {
           if (event && matchFilters(filters, event)) {
-            this.#publisher.handleEvent(event).catch(() => {});
+            this.#publisher.handleEvent(event, AbortSignal.timeout(1000)).catch(() => {});
             results.add({
               id: event.id,
               kind: event.kind,

src/upload.ts

@@ -8,7 +8,7 @@ interface FileMeta {
 }
 
 /** Upload a file, track it in the database, and return the resulting media object. */
-async function uploadFile(file: File, meta: FileMeta) {
+async function uploadFile(file: File, meta: FileMeta, signal?: AbortSignal) {
   const { name, type, size } = file;
   const { pubkey, description } = meta;
 
@@ -16,7 +16,7 @@ async function uploadFile(file: File, meta: FileMeta) {
     throw new Error('File size is too large.');
   }
 
-  const { cid } = await uploader.upload(file);
+  const { cid } = await uploader.upload(file, signal);
   const url = new URL(`/ipfs/${cid}`, Conf.mediaDomain).toString();
 
   return insertUnattachedMedia({

src/uploaders/config.ts

@@ -7,11 +7,11 @@ import type { Uploader } from './types.ts';
 
 /** Meta-uploader determined from configuration. */
 const configUploader: Uploader = {
-  upload(file) {
-    return uploader().upload(file);
+  upload(file, signal) {
+    return uploader().upload(file, signal);
   },
-  delete(cid) {
-    return uploader().delete(cid);
+  delete(cid, signal) {
+    return uploader().delete(cid, signal);
   },
 };
 

src/uploaders/ipfs.ts

@@ -17,7 +17,7 @@ const ipfsAddResponseSchema = z.object({
  * and upload the file using the REST API.
  */
 const ipfsUploader: Uploader = {
-  async upload(file) {
+  async upload(file, signal) {
     const url = new URL('/api/v0/add', Conf.ipfs.apiUrl);
 
     const formData = new FormData();
@@ -26,6 +26,7 @@ const ipfsUploader: Uploader = {
     const response = await fetchWorker(url, {
       method: 'POST',
       body: formData,
+      signal,
     });
 
     const { Hash } = ipfsAddResponseSchema.parse(await response.json());
@@ -34,7 +35,7 @@ const ipfsUploader: Uploader = {
       cid: Hash,
     };
   },
-  async delete(cid) {
+  async delete(cid, signal) {
     const url = new URL('/api/v0/pin/rm', Conf.ipfs.apiUrl);
 
     const query = new URLSearchParams();
@@ -44,6 +45,7 @@ const ipfsUploader: Uploader = {
 
     await fetchWorker(url, {
       method: 'POST',
+      signal,
     });
   },
 };

src/uploaders/s3.ts

@@ -9,9 +9,10 @@ import type { Uploader } from './types.ts';
  * take advantage of IPFS features while not really using IPFS.
  */
 const s3Uploader: Uploader = {
-  async upload(file) {
+  async upload(file, _signal) {
     const cid = await IpfsHash.of(file.stream()) as string;
 
+    // FIXME: Can't cancel S3 requests: https://github.com/bradenmacdonald/deno-s3-lite-client/issues/24
     await client().putObject(`ipfs/${cid}`, file.stream(), {
       metadata: {
         'Content-Type': file.type,
@@ -23,7 +24,8 @@ const s3Uploader: Uploader = {
       cid,
     };
   },
-  async delete(cid) {
+  async delete(cid, _signal) {
+    // FIXME: Can't cancel S3 requests: https://github.com/bradenmacdonald/deno-s3-lite-client/issues/24
     await client().deleteObject(`ipfs/${cid}`);
   },
 };

src/uploaders/types.ts

@@ -1,9 +1,9 @@
 /** Modular uploader interface, to support uploading to different backends. */
 interface Uploader {
   /** Upload the file to the backend. */
-  upload(file: File): Promise<UploadResult>;
+  upload(file: File, signal?: AbortSignal): Promise<UploadResult>;
   /** Delete the file from the backend. */
-  delete(cid: string): Promise<void>;
+  delete(cid: string, signal?: AbortSignal): Promise<void>;
 }
 
 /** Return value from the uploader after uploading a file. */

src/utils/api.ts

@@ -46,12 +46,12 @@ interface UpdateEventFilter extends NostrFilter {
 }
 
 /** Fetch existing event, update it, then publish the new event. */
-async function updateEvent<K extends number, E extends EventStub>(
+async function updateEvent<E extends EventStub>(
   filter: UpdateEventFilter,
   fn: (prev: NostrEvent | undefined) => E,
   c: AppContext,
 ): Promise<NostrEvent> {
-  const [prev] = await eventsDB.query([filter], { limit: 1 });
+  const [prev] = await eventsDB.query([filter], { limit: 1, signal: c.req.raw.signal });
   return createEvent(fn(prev), c);
 }
 
@@ -84,7 +84,7 @@ async function createAdminEvent(t: EventStub, c: AppContext): Promise<NostrEvent
 async function publishEvent(event: NostrEvent, c: AppContext): Promise<NostrEvent> {
   debug('EVENT', event);
   try {
-    await pipeline.handleEvent(event);
+    await pipeline.handleEvent(event, c.req.raw.signal);
   } catch (e) {
     if (e instanceof pipeline.RelayError) {
       throw new HTTPException(422, {