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don't throw when we can't encrypt, just fall back to sending unencrypted

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This commit is contained in:
Bruno Windels 2022-06-01 15:55:43 +02:00
parent 83eef2be9d
commit a014740e72
4 changed files with 16 additions and 9 deletions
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12
src/matrix/Session.js
View file

@ -81,16 +81,20 @@ export class Session {
hsApi: this._hsApi,
encryptDeviceMessage: async (roomId, userId, deviceId, message, log) => {
if (!this._deviceTracker || !this._olmEncryption) {
throw new Error("encryption is not enabled");
log.set("encryption_disabled", true);
return;
}
const device = await log.wrap("get device key", async log => {
return this._deviceTracker.deviceForId(userId, deviceId, this._hsApi, log);
});
const device = this._deviceTracker.deviceForId(userId, deviceId, this._hsApi, log);
if (!device) {
throw new Error(`Could not find device key ${deviceId} for ${userId} in ${roomId}`);
log.set("not_found", true);
}
return device;
});
if (device) {
const encryptedMessages = await this._olmEncryption.encrypt(message.type, message.content, [device], this._hsApi, log);
return encryptedMessages;
}
},
storage: this._storage,
webRTC: this._platform.webRTC,

2
src/matrix/calls/group/GroupCall.ts
View file

@ -55,7 +55,7 @@ function getDeviceFromMemberKey(key: string): string {
export type Options = Omit<MemberOptions, "emitUpdate" | "confId" | "encryptDeviceMessage"> & {
emitUpdate: (call: GroupCall, params?: any) => void;
encryptDeviceMessage: (roomId: string, userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
encryptDeviceMessage: (roomId: string, userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage | undefined>,
storage: Storage,
logger: ILogger,
};

2
src/matrix/calls/group/Member.ts
View file

@ -36,7 +36,7 @@ export type Options = Omit<PeerCallOptions, "emitUpdate" | "sendSignallingMessag
// local session id of our client
sessionId: string,
hsApi: HomeServerApi,
encryptDeviceMessage: (userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
encryptDeviceMessage: (userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage | undefined>,
emitUpdate: (participant: Member, params?: any) => void,
}

5
src/matrix/e2ee/DeviceTracker.js
View file

@ -338,10 +338,13 @@ export class DeviceTracker {
const verifiedKeysPerUser = log.wrap("verify", log => this._filterVerifiedDeviceKeys(deviceKeyResponse["device_keys"], log));
//// END EXTRACT
// there should only be one device in here, but still check the HS sends us the right one
const verifiedKeys = verifiedKeysPerUser
.find(vkpu => vkpu.userId === userId).verifiedKeys
.find(vk => vk["device_id"] === deviceId);
// user hasn't uploaded keys for device?
if (!verifiedKeys) {
return undefined;
}
device = deviceKeysAsDeviceIdentity(verifiedKeys);
const txn = await this._storage.readWriteTxn([
this._storage.storeNames.deviceIdentities,