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try to re-fetch devices before giving up on trying to heal a broken olm (#1224)

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This commit is contained in:
Hubert Chathi
2020-02-21 10:20:46 -05:00
committed by GitHub
parent 0112701145
commit bf92cb1522
3 changed files with 31 additions and 15 deletions
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22
src/crypto/algorithms/megolm.js
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@@ -1260,17 +1260,25 @@ MegolmDecryption.prototype.onRoomKeyWithheldEvent = async function(event) {
this.retryDecryptionFromSender(senderKey);
return;
}
const device = this._crypto._deviceList.getDeviceByIdentityKey(
let device = this._crypto._deviceList.getDeviceByIdentityKey(
content.algorithm, senderKey,
);
if (!device) {
logger.info(
"Couldn't find device for identity key " + senderKey +
": not establishing session",
// if we don't know about the device, fetch the user's devices again
// and retry before giving up
await this._crypto.downloadKeys([sender], false);
device = this._crypto._deviceList.getDeviceByIdentityKey(
content.algorithm, senderKey,
);
await this._olmDevice.recordSessionProblem(senderKey, "no_olm", false);
this.retryDecryptionFromSender(senderKey);
return;
if (!device) {
logger.info(
"Couldn't find device for identity key " + senderKey +
": not establishing session",
);
await this._olmDevice.recordSessionProblem(senderKey, "no_olm", false);
this.retryDecryptionFromSender(senderKey);
return;
}
}
await olmlib.ensureOlmSessionsForDevices(
this._olmDevice, this._baseApis, {[sender]: [device]}, false,