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encrypt call signalling message only for given device

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This commit is contained in:
Bruno Windels 2022-06-01 15:28:49 +02:00
parent 6f0ebeacb7
commit 50ae51e893
3 changed files with 23 additions and 23 deletions
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16
src/matrix/Session.js
View file

@ -79,18 +79,18 @@ export class Session {
this._callHandler = new CallHandler({
clock: this._platform.clock,
hsApi: this._hsApi,
encryptDeviceMessage: async (roomId, userId, message, log) => {
encryptDeviceMessage: async (roomId, userId, deviceId, message, log) => {
if (!this._deviceTracker || !this._olmEncryption) {
throw new Error("encryption is not enabled");
}
// TODO: just get the devices we're sending the message to, not all the room devices
// although we probably already fetched all devices to send messages in the likely e2ee room
const devices = await log.wrap("get device keys", async log => {
await this._deviceTracker.trackRoom(this.rooms.get(roomId), log);
return this._deviceTracker.devicesForRoomMembers(roomId, [userId], this._hsApi, log);
const device = await log.wrap("get device key", async log => {
return this._deviceTracker.deviceForId(userId, deviceId, this._hsApi, log);
});
const encryptedMessage = await this._olmEncryption.encrypt(message.type, message.content, devices, this._hsApi, log);
return encryptedMessage;
if (!device) {
throw new Error(`Could not find device key ${deviceId} for ${userId} in ${roomId}`);
}
const encryptedMessages = await this._olmEncryption.encrypt(message.type, message.content, [device], this._hsApi, log);
return encryptedMessages;
},
storage: this._storage,
webRTC: this._platform.webRTC,

6
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, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
encryptDeviceMessage: (roomId: string, userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
storage: Storage,
logger: ILogger,
};
@ -93,8 +93,8 @@ export class GroupCall extends EventEmitter<{change: never}> {
this._memberOptions = Object.assign({}, options, {
confId: this.id,
emitUpdate: member => this._members.update(getMemberKey(member.userId, member.deviceId), member),
encryptDeviceMessage: (userId: string, message: SignallingMessage<MGroupCallBase>, log) => {
return this.options.encryptDeviceMessage(this.roomId, userId, message, log);
encryptDeviceMessage: (userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log) => {
return this.options.encryptDeviceMessage(this.roomId, userId, deviceId, message, log);
}
});
}

22
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, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
encryptDeviceMessage: (userId: string, deviceId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
emitUpdate: (participant: Member, params?: any) => void,
}
@ -217,20 +217,20 @@ export class Member {
groupMessage.content.party_id = this.options.ownDeviceId;
groupMessage.content.sender_session_id = this.options.sessionId;
groupMessage.content.dest_session_id = this.sessionId;
// const encryptedMessages = await this.options.encryptDeviceMessage(this.member.userId, groupMessage, log);
// const payload = formatToDeviceMessagesPayload(encryptedMessages);
const payload = {
messages: {
[this.member.userId]: {
[this.deviceId]: groupMessage.content
let payload;
let type: string = message.type;
const encryptedMessages = await this.options.encryptDeviceMessage(this.member.userId, this.deviceId, groupMessage, log);
if (encryptedMessages) {
payload = formatToDeviceMessagesPayload(encryptedMessages);
type = "m.room.encrypted";
} else {
// device needs deviceId and userId
payload = formatToDeviceMessagesPayload([{content: groupMessage.content, device: this}]);
}
}
};
// TODO: remove this for release
log.set("payload", groupMessage.content);
const request = this.options.hsApi.sendToDevice(
message.type,
//"m.room.encrypted",
type,
payload,
makeTxnId(),
{log}