118 lines
4.1 KiB
TypeScript
118 lines
4.1 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2022 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { EventType, KNOWN_SAFE_ROOM_VERSION, MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
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import { KnownMembership } from "matrix-js-sdk/src/types";
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import { LOCAL_ROOM_ID_PREFIX, LocalRoom } from "../../../src/models/LocalRoom";
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import { determineCreateRoomEncryptionOption, Member } from "../../../src/utils/direct-messages";
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import { MEGOLM_ENCRYPTION_ALGORITHM } from "../crypto";
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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(client: MatrixClient, targets: Member[]): 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: MatrixEvent[] = [];
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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.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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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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);
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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_ENCRYPTION_ALGORITHM,
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},
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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(
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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: KnownMembership.Join,
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},
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state_key: userId,
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sender: userId,
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room_id: localRoom.roomId,
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}),
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);
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targets.forEach((target: Member) => {
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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.RoomMember,
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content: {
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displayname: target.name,
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avatar_url: target.getMxcAvatarUrl() ?? undefined,
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membership: KnownMembership.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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);
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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.RoomMember,
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content: {
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displayname: target.name,
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avatar_url: target.getMxcAvatarUrl() ?? undefined,
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membership: KnownMembership.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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});
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localRoom.targets = targets;
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localRoom.updateMyMembership(KnownMembership.Join);
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localRoom.addLiveEvents(events, { addToState: true });
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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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