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Retry event decryption failures on first failure (#4346)

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* Retry event decryption failures on first failure

* Suggestion from code review

Co-authored-by: Andrew Ferrazzutti <andrewf@element.io>

---------

Co-authored-by: Andrew Ferrazzutti <andrewf@element.io>
This commit is contained in:
Hugh Nimmo-Smith
2024-08-19 14:35:45 +01:00
committed by GitHub
parent d6080398db
commit c408c0d1d5
3 changed files with 107 additions and 1 deletions
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17
src/matrixrtc/MatrixRTCSessionManager.ts
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@@ -98,8 +98,23 @@ export class MatrixRTCSessionManager extends TypedEventEmitter<MatrixRTCSessionM
return this.roomSessions.get(room.roomId)!;
}
private async consumeCallEncryptionEvent(event: MatrixEvent): Promise<void> {
private async consumeCallEncryptionEvent(event: MatrixEvent, isRetry = false): Promise<void> {
await this.client.decryptEventIfNeeded(event);
if (event.isDecryptionFailure()) {
if (!isRetry) {
logger.warn(
`Decryption failed for event ${event.getId()}: ${event.decryptionFailureReason} will retry once only`,
);
// retry after 1 second. After this we give up.
setTimeout(() => this.consumeCallEncryptionEvent(event, true), 1000);
} else {
logger.warn(`Decryption failed for event ${event.getId()}: ${event.decryptionFailureReason}`);
}
return;
} else if (isRetry) {
logger.info(`Decryption succeeded for event ${event.getId()} after retry`);
}
if (event.getType() !== EventType.CallEncryptionKeysPrefix) return Promise.resolve();
const room = this.client.getRoom(event.getRoomId());