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Decrypt events ahead of storing them in the index

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This commit is contained in:
Germain Souquet 2021-05-10 15:19:46 +01:00
parent 6e3f8d6a0a
commit d0d2907a07
1 changed files with 15 additions and 22 deletions
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33
src/indexing/EventIndex.js
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@ -38,7 +38,6 @@ export default class EventIndex extends EventEmitter {
this._eventsPerCrawl = 100;
this._crawler = null;
this._currentCheckpoint = null;
this.liveEventsForIndex = new Set();
}
async init() {
@ -188,16 +187,11 @@ export default class EventIndex extends EventEmitter {
return;
}
// If the event is not yet decrypted mark it for the
// Event.decrypted callback.
if (ev.isBeingDecrypted()) {
const eventId = ev.getId();
this.liveEventsForIndex.add(eventId);
} else {
// If the event is decrypted or is unencrypted add it to the
// index now.
await this.addLiveEventToIndex(ev);
await ev._decryptionPromise;
}
await this.addLiveEventToIndex(ev);
}
onRoomStateEvent = async (ev, state) => {
@ -219,7 +213,6 @@ export default class EventIndex extends EventEmitter {
const eventId = ev.getId();
// If the event isn't in our live event set, ignore it.
if (!this.liveEventsForIndex.delete(eventId)) return;
if (err) return;
await this.addLiveEventToIndex(ev);
}
@ -523,16 +516,16 @@ export default class EventIndex extends EventEmitter {
}
});
const decryptionPromises = [];
matrixEvents.forEach(ev => {
if (ev.isBeingDecrypted() || ev.isDecryptionFailure()) {
// TODO the decryption promise is a private property, this
// should either be made public or we should convert the
// event that gets fired when decryption is done into a
// promise using the once event emitter method:
// https://nodejs.org/api/events.html#events_events_once_emitter_name
decryptionPromises.push(ev._decryptionPromise);
const decryptionPromises = matrixEvents
.filter(event => event.isEncrypted())
.map(event => {
if (event.shouldAttemptDecryption()) {
return event.attemptDecryption(client._crypto, {
isRetry: true,
emit: false,
});
} else {
return event._decryptionPromise;
}
});