123 lines
4.1 KiB
TypeScript
123 lines
4.1 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { MEGOLM_ALGORITHM } from "matrix-js-sdk/src/crypto/olmlib";
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import { EventType, KNOWN_SAFE_ROOM_VERSION, MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
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import { LocalRoom, LOCAL_ROOM_ID_PREFIX } from "../../../src/models/LocalRoom";
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import { determineCreateRoomEncryptionOption, Member } from "../../../src/utils/direct-messages";
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/**
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* Create a DM local room. This room will not be send to the server and only exists inside the client.
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* It sets up the local room with some artificial state events
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* so that can be used in most components instead of a „real“ room.
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*
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* @async
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* @param {MatrixClient} client
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* @param {Member[]} targets DM partners
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* @returns {Promise<LocalRoom>} Resolves to the new local room
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*/
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export async function createDmLocalRoom(
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client: MatrixClient,
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targets: Member[],
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): Promise<LocalRoom> {
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const userId = client.getUserId();
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const localRoom = new LocalRoom(LOCAL_ROOM_ID_PREFIX + client.makeTxnId(), client, userId);
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const events = [];
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events.push(new MatrixEvent({
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event_id: `~${localRoom.roomId}:${client.makeTxnId()}`,
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type: EventType.RoomCreate,
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content: {
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creator: userId,
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room_version: KNOWN_SAFE_ROOM_VERSION,
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},
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state_key: "",
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user_id: userId,
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sender: userId,
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room_id: localRoom.roomId,
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origin_server_ts: Date.now(),
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}));
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if (await determineCreateRoomEncryptionOption(client, targets)) {
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localRoom.encrypted = true;
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events.push(
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new MatrixEvent({
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event_id: `~${localRoom.roomId}:${client.makeTxnId()}`,
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type: EventType.RoomEncryption,
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content: {
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algorithm: MEGOLM_ALGORITHM,
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},
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user_id: userId,
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sender: userId,
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state_key: "",
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room_id: localRoom.roomId,
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origin_server_ts: Date.now(),
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}),
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);
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}
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events.push(new MatrixEvent({
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event_id: `~${localRoom.roomId}:${client.makeTxnId()}`,
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type: EventType.RoomMember,
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content: {
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displayname: userId,
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membership: "join",
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},
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state_key: userId,
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user_id: userId,
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sender: userId,
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room_id: localRoom.roomId,
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}));
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targets.forEach((target: Member) => {
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events.push(new MatrixEvent({
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event_id: `~${localRoom.roomId}:${client.makeTxnId()}`,
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type: EventType.RoomMember,
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content: {
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displayname: target.name,
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avatar_url: target.getMxcAvatarUrl(),
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membership: "invite",
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isDirect: true,
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},
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state_key: target.userId,
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sender: userId,
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room_id: localRoom.roomId,
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}));
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events.push(new MatrixEvent({
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event_id: `~${localRoom.roomId}:${client.makeTxnId()}`,
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type: EventType.RoomMember,
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content: {
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displayname: target.name,
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avatar_url: target.getMxcAvatarUrl(),
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membership: "join",
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},
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state_key: target.userId,
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sender: target.userId,
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room_id: localRoom.roomId,
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}));
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});
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localRoom.targets = targets;
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localRoom.updateMyMembership("join");
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localRoom.addLiveEvents(events);
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localRoom.currentState.setStateEvents(events);
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localRoom.name = localRoom.getDefaultRoomName(client.getUserId());
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client.store.storeRoom(localRoom);
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return localRoom;
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}
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