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stop key backup when on the wrong version

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users can then enter the new key in the settings to start backing up
again
This commit is contained in:
Bruno Windels 2022-01-27 15:14:29 +01:00
parent 0b4954a9ca
commit 6f1484005b
2 changed files with 18 additions and 4 deletions
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7
src/matrix/Session.js
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@ -646,7 +646,12 @@ export class Session {
const operation = this._keyBackup.flush(log); const operation = this._keyBackup.flush(log);
this._keyBackupOperation.set(operation); this._keyBackupOperation.set(operation);
try { try {
await operation.result; const success = await operation.result;
// stop key backup if the version was changed
if (!success) {
this._keyBackup = this._keyBackup.dispose();
this.needsKeyBackup.set(true);
}
} catch (err) { } catch (err) {
log.catch(err); log.catch(err);
} }

13
src/matrix/e2ee/megolm/keybackup/KeyBackup.ts
View File

@ -69,7 +69,7 @@ export class KeyBackup {
} }
// TODO: protect against having multiple concurrent flushes // TODO: protect against having multiple concurrent flushes
flush(log: ILogItem): AbortableOperation<Promise<void>, Progress> { flush(log: ILogItem): AbortableOperation<Promise<boolean>, Progress> {
return new AbortableOperation(async (setAbortable, setProgress) => { return new AbortableOperation(async (setAbortable, setProgress) => {
let total = 0; let total = 0;
let amountFinished = 0; let amountFinished = 0;
@ -87,7 +87,7 @@ export class KeyBackup {
setProgress(new Progress(total, amountFinished)); setProgress(new Progress(total, amountFinished));
const keysNeedingBackup = await txn.sessionsNeedingBackup.getFirstEntries(20); const keysNeedingBackup = await txn.sessionsNeedingBackup.getFirstEntries(20);
if (keysNeedingBackup.length === 0) { if (keysNeedingBackup.length === 0) {
return; return true;
} }
const roomKeysOrNotFound = await Promise.all(keysNeedingBackup.map(k => keyFromStorage(k.roomId, k.senderKey, k.sessionId, txn))); const roomKeysOrNotFound = await Promise.all(keysNeedingBackup.map(k => keyFromStorage(k.roomId, k.senderKey, k.sessionId, txn)));
const roomKeys = roomKeysOrNotFound.filter(k => !!k) as RoomKey[]; const roomKeys = roomKeysOrNotFound.filter(k => !!k) as RoomKey[];
@ -95,7 +95,16 @@ export class KeyBackup {
const payload = await this.encodeKeysForBackup(roomKeys); const payload = await this.encodeKeysForBackup(roomKeys);
const uploadRequest = this.hsApi.uploadRoomKeysToBackup(this.backupInfo.version, payload, {log}); const uploadRequest = this.hsApi.uploadRoomKeysToBackup(this.backupInfo.version, payload, {log});
setAbortable(uploadRequest); setAbortable(uploadRequest);
try {
await uploadRequest.response(); await uploadRequest.response();
} catch (err) {
if (err.name === "HomeServerError" && err.errcode === "M_WRONG_ROOM_KEYS_VERSION") {
log.set("wrong_version", true);
return false;
} else {
throw err;
}
}
} }
this.removeBackedUpKeys(keysNeedingBackup, setAbortable); this.removeBackedUpKeys(keysNeedingBackup, setAbortable);
amountFinished += keysNeedingBackup.length; amountFinished += keysNeedingBackup.length;