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also decrypt all matching timeline entries when new key

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This commit is contained in:
Bruno Windels 2021-03-02 23:20:33 +01:00
parent 3671574547
commit 7f1cdf6841
2 changed files with 21 additions and 2 deletions
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16
src/matrix/room/Room.js
View file

@ -176,8 +176,20 @@ export class Room extends EventEmitter {
let events = roomResponse?.timeline?.events || [];
// when new keys arrive, also see if any events that can now be retried to decrypt
if (newKeys) {
const nestedEntries = await Promise.all(newKeys.map(key => this._getRetryDecryptEntriesForKey(key, txn)));
retryEntries = nestedEntries.reduce((allEntries, entries) => allEntries.concat(entries), []);
const entriesPerKey = await Promise.all(newKeys.map(key => this._getRetryDecryptEntriesForKey(key, txn)));
retryEntries = entriesPerKey.reduce((allEntries, entries) => allEntries.concat(entries), []);
// If we have the timeline open, see if there are more entries for the new keys
// as we only store missing session for synced and not backfilled events.
// We want to decrypt all events we can though if the user is looking
// at them given the timeline is open
if (this._timeline) {
let retryTimelineEntries = this._roomEncryption.filterEventEntriesForKeys(this._timeline.remoteEntries, newKeys);
// filter out any entries already in retryEntries so we don't decrypt them twice
const existingIds = new Set(retryEntries.map(e => e.id));
retryTimelineEntries = retryTimelineEntries.filter(e => !existingIds.has(e.id))
// make copies so we don't modify the original entry before the afterSync stage
retryEntries = retryTimelineEntries.map(e => e.clone());
}
if (retryEntries.length) {
log.set("retry", retryEntries.length);
events = events.concat(retryEntries.map(entry => entry.event));

7
src/matrix/room/timeline/entries/EventEntry.js
View file

@ -25,6 +25,13 @@ export class EventEntry extends BaseEntry {
this._decryptionResult = null;
}
clone() {
const clone = new EventEntry(this._eventEntry, this._fragmentIdComparer);
clone._decryptionResult = this._decryptionResult;
clone._decryptionError = this._decryptionError;
return clone;
}
get event() {
return this._eventEntry.event;
}