db40479910
* Use `cli.getUserDeviceInfo` instead of `cli.downloadKeys` to create a room * Use `client.getCrypto().getUserDeviceInfo` instead of `client.getUserDeviceInfo` * Update `createRoom-test.ts` to use `getUserDeviceInfo` * Remove duplicate field
465 lines
18 KiB
TypeScript
465 lines
18 KiB
TypeScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2019, 2020 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 { MatrixClient, ClientEvent } from "matrix-js-sdk/src/client";
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import { Room } from "matrix-js-sdk/src/models/room";
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import { EventType, RoomCreateTypeField, RoomType } from "matrix-js-sdk/src/@types/event";
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import { ICreateRoomOpts } from "matrix-js-sdk/src/@types/requests";
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import {
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HistoryVisibility,
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JoinRule,
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Preset,
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RestrictedAllowType,
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Visibility,
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} from "matrix-js-sdk/src/@types/partials";
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import { logger } from "matrix-js-sdk/src/logger";
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import { MatrixClientPeg } from "./MatrixClientPeg";
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import Modal, { IHandle } from "./Modal";
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import { _t } from "./languageHandler";
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import dis from "./dispatcher/dispatcher";
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import * as Rooms from "./Rooms";
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import { getAddressType } from "./UserAddress";
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import { VIRTUAL_ROOM_EVENT_TYPE } from "./call-types";
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import SpaceStore from "./stores/spaces/SpaceStore";
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import { makeSpaceParentEvent } from "./utils/space";
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import { JitsiCall, ElementCall } from "./models/Call";
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import { Action } from "./dispatcher/actions";
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import ErrorDialog from "./components/views/dialogs/ErrorDialog";
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import Spinner from "./components/views/elements/Spinner";
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import { ViewRoomPayload } from "./dispatcher/payloads/ViewRoomPayload";
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import { findDMForUser } from "./utils/dm/findDMForUser";
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import { privateShouldBeEncrypted } from "./utils/rooms";
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import { waitForMember } from "./utils/membership";
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import { PreferredRoomVersions } from "./utils/PreferredRoomVersions";
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import SettingsStore from "./settings/SettingsStore";
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// we define a number of interfaces which take their names from the js-sdk
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/* eslint-disable camelcase */
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export interface IOpts {
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dmUserId?: string;
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createOpts?: ICreateRoomOpts;
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spinner?: boolean;
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guestAccess?: boolean;
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encryption?: boolean;
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inlineErrors?: boolean;
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andView?: boolean;
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avatar?: File | string; // will upload if given file, else mxcUrl is needed
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roomType?: RoomType | string;
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historyVisibility?: HistoryVisibility;
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parentSpace?: Room;
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// contextually only makes sense if parentSpace is specified, if true then will be added to parentSpace as suggested
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suggested?: boolean;
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joinRule?: JoinRule;
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}
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const DEFAULT_EVENT_POWER_LEVELS = {
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[EventType.RoomName]: 50,
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[EventType.RoomAvatar]: 50,
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[EventType.RoomPowerLevels]: 100,
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[EventType.RoomHistoryVisibility]: 100,
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[EventType.RoomCanonicalAlias]: 50,
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[EventType.RoomTombstone]: 100,
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[EventType.RoomServerAcl]: 100,
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[EventType.RoomEncryption]: 100,
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};
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/**
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* Create a new room, and switch to it.
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*
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* @param {object=} opts parameters for creating the room
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* @param {string=} opts.dmUserId If specified, make this a DM room for this user and invite them
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* @param {object=} opts.createOpts set of options to pass to createRoom call.
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* @param {bool=} opts.spinner True to show a modal spinner while the room is created.
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* Default: True
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* @param {bool=} opts.guestAccess Whether to enable guest access.
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* Default: True
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* @param {bool=} opts.encryption Whether to enable encryption.
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* Default: False
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* @param {bool=} opts.inlineErrors True to raise errors off the promise instead of resolving to null.
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* Default: False
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* @param {bool=} opts.andView True to dispatch an action to view the room once it has been created.
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*
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* @returns {Promise} which resolves to the room id, or null if the
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* action was aborted or failed.
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*/
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export default async function createRoom(opts: IOpts): Promise<string | null> {
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opts = opts || {};
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if (opts.spinner === undefined) opts.spinner = true;
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if (opts.guestAccess === undefined) opts.guestAccess = true;
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if (opts.encryption === undefined) opts.encryption = false;
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const client = MatrixClientPeg.get();
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if (client.isGuest()) {
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dis.dispatch({ action: "require_registration" });
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return null;
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}
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const defaultPreset = opts.dmUserId ? Preset.TrustedPrivateChat : Preset.PrivateChat;
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// set some defaults for the creation
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const createOpts: ICreateRoomOpts = opts.createOpts || {};
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createOpts.preset = createOpts.preset || defaultPreset;
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createOpts.visibility = createOpts.visibility || Visibility.Private;
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if (opts.dmUserId && createOpts.invite === undefined) {
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switch (getAddressType(opts.dmUserId)) {
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case "mx-user-id":
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createOpts.invite = [opts.dmUserId];
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break;
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case "email":
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createOpts.invite_3pid = [
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{
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id_server: MatrixClientPeg.get().getIdentityServerUrl(true),
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medium: "email",
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address: opts.dmUserId,
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},
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];
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}
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}
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if (opts.dmUserId && createOpts.is_direct === undefined) {
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createOpts.is_direct = true;
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}
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if (opts.roomType) {
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createOpts.creation_content = {
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...createOpts.creation_content,
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[RoomCreateTypeField]: opts.roomType,
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};
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// Video rooms require custom power levels
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if (opts.roomType === RoomType.ElementVideo) {
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createOpts.power_level_content_override = {
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events: {
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...DEFAULT_EVENT_POWER_LEVELS,
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// Allow all users to send call membership updates
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[JitsiCall.MEMBER_EVENT_TYPE]: 0,
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// Make widgets immutable, even to admins
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"im.vector.modular.widgets": 200,
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},
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users: {
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// Temporarily give ourselves the power to set up a widget
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[client.getUserId()!]: 200,
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},
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};
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} else if (opts.roomType === RoomType.UnstableCall) {
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createOpts.power_level_content_override = {
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events: {
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...DEFAULT_EVENT_POWER_LEVELS,
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// Allow all users to send call membership updates
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[ElementCall.MEMBER_EVENT_TYPE.name]: 0,
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// Make calls immutable, even to admins
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[ElementCall.CALL_EVENT_TYPE.name]: 200,
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},
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users: {
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// Temporarily give ourselves the power to set up a call
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[client.getUserId()!]: 200,
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},
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};
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}
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} else if (SettingsStore.getValue("feature_group_calls")) {
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createOpts.power_level_content_override = {
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events: {
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...DEFAULT_EVENT_POWER_LEVELS,
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// Element Call should be disabled by default
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[ElementCall.MEMBER_EVENT_TYPE.name]: 100,
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// Make sure only admins can enable it
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[ElementCall.CALL_EVENT_TYPE.name]: 100,
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},
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};
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}
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// By default, view the room after creating it
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if (opts.andView === undefined) {
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opts.andView = true;
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}
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createOpts.initial_state = createOpts.initial_state || [];
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// Allow guests by default since the room is private and they'd
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// need an invite. This means clicking on a 3pid invite email can
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// actually drop you right in to a chat.
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if (opts.guestAccess) {
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createOpts.initial_state.push({
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type: "m.room.guest_access",
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state_key: "",
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content: {
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guest_access: "can_join",
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},
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});
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}
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if (opts.encryption) {
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createOpts.initial_state.push({
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type: "m.room.encryption",
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state_key: "",
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content: {
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algorithm: "m.megolm.v1.aes-sha2",
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},
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});
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}
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if (opts.parentSpace) {
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createOpts.initial_state.push(makeSpaceParentEvent(opts.parentSpace, true));
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if (!opts.historyVisibility) {
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opts.historyVisibility =
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createOpts.preset === Preset.PublicChat ? HistoryVisibility.WorldReadable : HistoryVisibility.Invited;
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}
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if (opts.joinRule === JoinRule.Restricted) {
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createOpts.room_version = PreferredRoomVersions.RestrictedRooms;
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createOpts.initial_state.push({
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type: EventType.RoomJoinRules,
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content: {
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join_rule: JoinRule.Restricted,
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allow: [
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{
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type: RestrictedAllowType.RoomMembership,
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room_id: opts.parentSpace.roomId,
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},
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],
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},
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});
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}
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}
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// we handle the restricted join rule in the parentSpace handling block above
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if (opts.joinRule && opts.joinRule !== JoinRule.Restricted) {
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createOpts.initial_state.push({
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type: EventType.RoomJoinRules,
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content: { join_rule: opts.joinRule },
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});
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}
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if (opts.avatar) {
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let url = opts.avatar;
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if (opts.avatar instanceof File) {
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({ content_uri: url } = await client.uploadContent(opts.avatar));
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}
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createOpts.initial_state.push({
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type: EventType.RoomAvatar,
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content: { url },
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});
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}
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if (opts.historyVisibility) {
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createOpts.initial_state.push({
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type: EventType.RoomHistoryVisibility,
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content: {
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history_visibility: opts.historyVisibility,
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},
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});
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}
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let modal: IHandle<any> | undefined;
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if (opts.spinner) modal = Modal.createDialog(Spinner, undefined, "mx_Dialog_spinner");
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let roomId: string;
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let room: Promise<Room>;
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return client
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.createRoom(createOpts)
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.catch(function (err) {
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// NB This checks for the Synapse-specific error condition of a room creation
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// having been denied because the requesting user wanted to publish the room,
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// but the server denies them that permission (via room_list_publication_rules).
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// The check below responds by retrying without publishing the room.
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if (
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err.httpStatus === 403 &&
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err.errcode === "M_UNKNOWN" &&
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err.data.error === "Not allowed to publish room"
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) {
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logger.warn("Failed to publish room, try again without publishing it");
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createOpts.visibility = Visibility.Private;
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return client.createRoom(createOpts);
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} else {
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return Promise.reject(err);
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}
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})
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.finally(function () {
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if (modal) modal.close();
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})
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.then(async (res): Promise<void> => {
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roomId = res.room_id;
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room = new Promise((resolve) => {
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const storedRoom = client.getRoom(roomId);
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if (storedRoom) {
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resolve(storedRoom);
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} else {
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// The room hasn't arrived down sync yet
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const onRoom = (emittedRoom: Room): void => {
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if (emittedRoom.roomId === roomId) {
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resolve(emittedRoom);
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client.off(ClientEvent.Room, onRoom);
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}
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};
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client.on(ClientEvent.Room, onRoom);
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}
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});
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if (opts.dmUserId) await Rooms.setDMRoom(roomId, opts.dmUserId);
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})
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.then(() => {
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if (opts.parentSpace) {
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return SpaceStore.instance.addRoomToSpace(
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opts.parentSpace,
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roomId,
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[client.getDomain()!],
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opts.suggested,
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);
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}
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})
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.then(async (): Promise<void> => {
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if (opts.roomType === RoomType.ElementVideo) {
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// Set up this video room with a Jitsi call
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await JitsiCall.create(await room);
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// Reset our power level back to admin so that the widget becomes immutable
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const plEvent = (await room).currentState.getStateEvents(EventType.RoomPowerLevels, "");
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await client.setPowerLevel(roomId, client.getUserId()!, 100, plEvent);
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} else if (opts.roomType === RoomType.UnstableCall) {
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// Set up this video room with an Element call
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await ElementCall.create(await room);
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// Reset our power level back to admin so that the call becomes immutable
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const plEvent = (await room).currentState.getStateEvents(EventType.RoomPowerLevels, "");
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await client.setPowerLevel(roomId, client.getUserId()!, 100, plEvent);
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}
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})
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.then(
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function () {
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// NB we haven't necessarily blocked on the room promise, so we race
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// here with the client knowing that the room exists, causing things
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// like https://github.com/vector-im/vector-web/issues/1813
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// Even if we were to block on the echo, servers tend to split the room
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// state over multiple syncs so we can't atomically know when we have the
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// entire thing.
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if (opts.andView) {
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dis.dispatch<ViewRoomPayload>({
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action: Action.ViewRoom,
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room_id: roomId,
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should_peek: false,
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// Creating a room will have joined us to the room,
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// so we are expecting the room to come down the sync
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// stream, if it hasn't already.
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joining: true,
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justCreatedOpts: opts,
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metricsTrigger: "Created",
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});
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}
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return roomId;
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},
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function (err) {
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// Raise the error if the caller requested that we do so.
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if (opts.inlineErrors) throw err;
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// We also failed to join the room (this sets joining to false in RoomViewStore)
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dis.dispatch({
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action: Action.JoinRoomError,
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roomId,
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});
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logger.error("Failed to create room " + roomId + " " + err);
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let description = _t("Server may be unavailable, overloaded, or you hit a bug.");
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if (err.errcode === "M_UNSUPPORTED_ROOM_VERSION") {
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// Technically not possible with the UI as of April 2019 because there's no
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// options for the user to change this. However, it's not a bad thing to report
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// the error to the user for if/when the UI is available.
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description = _t("The server does not support the room version specified.");
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}
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Modal.createDialog(ErrorDialog, {
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title: _t("Failure to create room"),
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description,
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});
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return null;
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},
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);
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}
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/*
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* Ensure that for every user in a room, there is at least one device that we
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* can encrypt to.
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*/
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export async function canEncryptToAllUsers(client: MatrixClient, userIds: string[]): Promise<boolean> {
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try {
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const usersDeviceMap = await client.getCrypto()?.getUserDeviceInfo(userIds, true);
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if (!usersDeviceMap) {
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return false;
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}
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for (const devices of usersDeviceMap.values()) {
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if (devices.size === 0) {
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// This user does not have any encryption-capable devices.
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return false;
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}
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}
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} catch (e) {
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logger.error("Error determining if it's possible to encrypt to all users: ", e);
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return false; // assume not
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}
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return true;
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}
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// Similar to ensureDMExists but also adds creation content
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// without polluting ensureDMExists with unrelated stuff (also
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// they're never encrypted).
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export async function ensureVirtualRoomExists(
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client: MatrixClient,
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userId: string,
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nativeRoomId: string,
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): Promise<string | null> {
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const existingDMRoom = findDMForUser(client, userId);
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let roomId: string | null;
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if (existingDMRoom) {
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roomId = existingDMRoom.roomId;
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} else {
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roomId = await createRoom({
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dmUserId: userId,
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spinner: false,
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andView: false,
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createOpts: {
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creation_content: {
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// This allows us to recognise that the room is a virtual room
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// when it comes down our sync stream (we also put the ID of the
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// respective native room in there because why not?)
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[VIRTUAL_ROOM_EVENT_TYPE]: nativeRoomId,
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},
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},
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});
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}
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return roomId;
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}
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export async function ensureDMExists(client: MatrixClient, userId: string): Promise<string | null> {
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const existingDMRoom = findDMForUser(client, userId);
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let roomId: string | null;
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if (existingDMRoom) {
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roomId = existingDMRoom.roomId;
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} else {
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let encryption: boolean | undefined;
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if (privateShouldBeEncrypted()) {
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encryption = await canEncryptToAllUsers(client, [userId]);
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}
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roomId = await createRoom({ encryption, dmUserId: userId, spinner: false, andView: false });
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if (!roomId) return null;
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await waitForMember(client, roomId, userId);
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}
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return roomId;
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}
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