677 lines
24 KiB
JavaScript
677 lines
24 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
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Copyright 2018 New Vector 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 Matrix from 'matrix-js-sdk';
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import {MatrixClientPeg} from './MatrixClientPeg';
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import EventIndexPeg from './indexing/EventIndexPeg';
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import createMatrixClient from './utils/createMatrixClient';
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import Analytics from './Analytics';
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import Notifier from './Notifier';
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import UserActivity from './UserActivity';
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import Presence from './Presence';
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import dis from './dispatcher';
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import DMRoomMap from './utils/DMRoomMap';
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import Modal from './Modal';
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import * as sdk from './index';
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import ActiveWidgetStore from './stores/ActiveWidgetStore';
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import PlatformPeg from "./PlatformPeg";
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import { sendLoginRequest } from "./Login";
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import * as StorageManager from './utils/StorageManager';
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import SettingsStore from "./settings/SettingsStore";
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import TypingStore from "./stores/TypingStore";
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import ToastStore from "./stores/ToastStore";
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import {IntegrationManagers} from "./integrations/IntegrationManagers";
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import {Mjolnir} from "./mjolnir/Mjolnir";
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import DeviceListener from "./DeviceListener";
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/**
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* Called at startup, to attempt to build a logged-in Matrix session. It tries
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* a number of things:
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*
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*
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* 1. if we have a guest access token in the fragment query params, it uses
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* that.
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*
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* 2. if an access token is stored in local storage (from a previous session),
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* it uses that.
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*
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* 3. it attempts to auto-register as a guest user.
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*
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* If any of steps 1-4 are successful, it will call {_doSetLoggedIn}, which in
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* turn will raise on_logged_in and will_start_client events.
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*
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* @param {object} opts
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*
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* @param {object} opts.fragmentQueryParams: string->string map of the
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* query-parameters extracted from the #-fragment of the starting URI.
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*
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* @param {boolean} opts.enableGuest: set to true to enable guest access tokens
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* and auto-guest registrations.
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*
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* @params {string} opts.guestHsUrl: homeserver URL. Only used if enableGuest is
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* true; defines the HS to register against.
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*
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* @params {string} opts.guestIsUrl: homeserver URL. Only used if enableGuest is
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* true; defines the IS to use.
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*
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* @params {bool} opts.ignoreGuest: If the stored session is a guest account, ignore
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* it and don't load it.
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*
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* @returns {Promise} a promise which resolves when the above process completes.
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* Resolves to `true` if we ended up starting a session, or `false` if we
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* failed.
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*/
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export async function loadSession(opts) {
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try {
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let enableGuest = opts.enableGuest || false;
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const guestHsUrl = opts.guestHsUrl;
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const guestIsUrl = opts.guestIsUrl;
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const fragmentQueryParams = opts.fragmentQueryParams || {};
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const defaultDeviceDisplayName = opts.defaultDeviceDisplayName;
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if (enableGuest && !guestHsUrl) {
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console.warn("Cannot enable guest access: can't determine HS URL to use");
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enableGuest = false;
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}
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if (enableGuest &&
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fragmentQueryParams.guest_user_id &&
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fragmentQueryParams.guest_access_token
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) {
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console.log("Using guest access credentials");
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return _doSetLoggedIn({
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userId: fragmentQueryParams.guest_user_id,
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accessToken: fragmentQueryParams.guest_access_token,
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homeserverUrl: guestHsUrl,
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identityServerUrl: guestIsUrl,
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guest: true,
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}, true).then(() => true);
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}
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const success = await _restoreFromLocalStorage({
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ignoreGuest: Boolean(opts.ignoreGuest),
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});
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if (success) {
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return true;
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}
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if (enableGuest) {
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return _registerAsGuest(guestHsUrl, guestIsUrl, defaultDeviceDisplayName);
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}
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// fall back to welcome screen
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return false;
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} catch (e) {
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if (e instanceof AbortLoginAndRebuildStorage) {
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// If we're aborting login because of a storage inconsistency, we don't
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// need to show the general failure dialog. Instead, just go back to welcome.
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return false;
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}
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return _handleLoadSessionFailure(e);
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}
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}
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/**
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* Gets the user ID of the persisted session, if one exists. This does not validate
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* that the user's credentials still work, just that they exist and that a user ID
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* is associated with them. The session is not loaded.
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* @returns {String} The persisted session's owner, if an owner exists. Null otherwise.
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*/
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export function getStoredSessionOwner() {
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const {hsUrl, userId, accessToken} = getLocalStorageSessionVars();
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return hsUrl && userId && accessToken ? userId : null;
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}
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/**
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* @returns {bool} True if the stored session is for a guest user or false if it is
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* for a real user. If there is no stored session, return null.
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*/
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export function getStoredSessionIsGuest() {
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const sessVars = getLocalStorageSessionVars();
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return sessVars.hsUrl && sessVars.userId && sessVars.accessToken ? sessVars.isGuest : null;
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}
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/**
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* @param {Object} queryParams string->string map of the
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* query-parameters extracted from the real query-string of the starting
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* URI.
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*
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* @param {String} defaultDeviceDisplayName
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*
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* @returns {Promise} promise which resolves to true if we completed the token
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* login, else false
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*/
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export function attemptTokenLogin(queryParams, defaultDeviceDisplayName) {
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if (!queryParams.loginToken) {
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return Promise.resolve(false);
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}
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if (!queryParams.homeserver) {
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console.warn("Cannot log in with token: can't determine HS URL to use");
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return Promise.resolve(false);
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}
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return sendLoginRequest(
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queryParams.homeserver,
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queryParams.identityServer,
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"m.login.token", {
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token: queryParams.loginToken,
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initial_device_display_name: defaultDeviceDisplayName,
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},
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).then(function(creds) {
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console.log("Logged in with token");
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return _clearStorage().then(() => {
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_persistCredentialsToLocalStorage(creds);
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return true;
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});
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}).catch((err) => {
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console.error("Failed to log in with login token: " + err + " " +
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err.data);
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return false;
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});
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}
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export function handleInvalidStoreError(e) {
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if (e.reason === Matrix.InvalidStoreError.TOGGLED_LAZY_LOADING) {
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return Promise.resolve().then(() => {
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const lazyLoadEnabled = e.value;
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if (lazyLoadEnabled) {
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const LazyLoadingResyncDialog =
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sdk.getComponent("views.dialogs.LazyLoadingResyncDialog");
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return new Promise((resolve) => {
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Modal.createDialog(LazyLoadingResyncDialog, {
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onFinished: resolve,
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});
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});
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} else {
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// show warning about simultaneous use
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// between LL/non-LL version on same host.
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// as disabling LL when previously enabled
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// is a strong indicator of this (/develop & /app)
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const LazyLoadingDisabledDialog =
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sdk.getComponent("views.dialogs.LazyLoadingDisabledDialog");
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return new Promise((resolve) => {
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Modal.createDialog(LazyLoadingDisabledDialog, {
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onFinished: resolve,
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host: window.location.host,
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});
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});
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}
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}).then(() => {
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return MatrixClientPeg.get().store.deleteAllData();
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}).then(() => {
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PlatformPeg.get().reload();
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});
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}
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}
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function _registerAsGuest(hsUrl, isUrl, defaultDeviceDisplayName) {
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console.log(`Doing guest login on ${hsUrl}`);
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// create a temporary MatrixClient to do the login
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const client = Matrix.createClient({
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baseUrl: hsUrl,
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});
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return client.registerGuest({
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body: {
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initial_device_display_name: defaultDeviceDisplayName,
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},
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}).then((creds) => {
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console.log(`Registered as guest: ${creds.user_id}`);
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return _doSetLoggedIn({
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userId: creds.user_id,
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deviceId: creds.device_id,
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accessToken: creds.access_token,
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homeserverUrl: hsUrl,
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identityServerUrl: isUrl,
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guest: true,
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}, true).then(() => true);
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}, (err) => {
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console.error("Failed to register as guest", err);
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return false;
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});
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}
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/**
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* Retrieves information about the stored session in localstorage. The session
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* may not be valid, as it is not tested for consistency here.
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* @returns {Object} Information about the session - see implementation for variables.
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*/
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export function getLocalStorageSessionVars() {
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const hsUrl = localStorage.getItem("mx_hs_url");
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const isUrl = localStorage.getItem("mx_is_url");
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const accessToken = localStorage.getItem("mx_access_token");
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const userId = localStorage.getItem("mx_user_id");
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const deviceId = localStorage.getItem("mx_device_id");
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let isGuest;
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if (localStorage.getItem("mx_is_guest") !== null) {
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isGuest = localStorage.getItem("mx_is_guest") === "true";
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} else {
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// legacy key name
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isGuest = localStorage.getItem("matrix-is-guest") === "true";
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}
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return {hsUrl, isUrl, accessToken, userId, deviceId, isGuest};
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}
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// returns a promise which resolves to true if a session is found in
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// localstorage
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//
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// N.B. Lifecycle.js should not maintain any further localStorage state, we
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// are moving towards using SessionStore to keep track of state related
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// to the current session (which is typically backed by localStorage).
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//
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// The plan is to gradually move the localStorage access done here into
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// SessionStore to avoid bugs where the view becomes out-of-sync with
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// localStorage (e.g. isGuest etc.)
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async function _restoreFromLocalStorage(opts) {
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const ignoreGuest = opts.ignoreGuest;
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if (!localStorage) {
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return false;
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}
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const {hsUrl, isUrl, accessToken, userId, deviceId, isGuest} = getLocalStorageSessionVars();
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if (accessToken && userId && hsUrl) {
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if (ignoreGuest && isGuest) {
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console.log("Ignoring stored guest account: " + userId);
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return false;
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}
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console.log(`Restoring session for ${userId}`);
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await _doSetLoggedIn({
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userId: userId,
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deviceId: deviceId,
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accessToken: accessToken,
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homeserverUrl: hsUrl,
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identityServerUrl: isUrl,
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guest: isGuest,
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}, false);
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return true;
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} else {
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console.log("No previous session found.");
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return false;
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}
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}
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function _handleLoadSessionFailure(e) {
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console.error("Unable to load session", e);
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const SessionRestoreErrorDialog =
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sdk.getComponent('views.dialogs.SessionRestoreErrorDialog');
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const modal = Modal.createTrackedDialog('Session Restore Error', '', SessionRestoreErrorDialog, {
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error: e.message,
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});
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return modal.finished.then(([success]) => {
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if (success) {
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// user clicked continue.
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_clearStorage();
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return false;
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}
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// try, try again
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return loadSession();
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});
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}
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/**
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* Transitions to a logged-in state using the given credentials.
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*
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* Starts the matrix client and all other react-sdk services that
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* listen for events while a session is logged in.
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*
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* Also stops the old MatrixClient and clears old credentials/etc out of
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* storage before starting the new client.
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*
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* @param {MatrixClientCreds} credentials The credentials to use
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*
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* @returns {Promise} promise which resolves to the new MatrixClient once it has been started
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*/
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export function setLoggedIn(credentials) {
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stopMatrixClient();
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return _doSetLoggedIn(credentials, true);
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}
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/**
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* Hydrates an existing session by using the credentials provided. This will
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* not clear any local storage, unlike setLoggedIn().
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*
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* Stops the existing Matrix client (without clearing its data) and starts a
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* new one in its place. This additionally starts all other react-sdk services
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* which use the new Matrix client.
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*
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* If the credentials belong to a different user from the session already stored,
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* the old session will be cleared automatically.
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*
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* @param {MatrixClientCreds} credentials The credentials to use
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*
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* @returns {Promise} promise which resolves to the new MatrixClient once it has been started
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*/
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export function hydrateSession(credentials) {
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const oldUserId = MatrixClientPeg.get().getUserId();
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const oldDeviceId = MatrixClientPeg.get().getDeviceId();
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stopMatrixClient(); // unsets MatrixClientPeg.get()
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localStorage.removeItem("mx_soft_logout");
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_isLoggingOut = false;
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const overwrite = credentials.userId !== oldUserId || credentials.deviceId !== oldDeviceId;
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if (overwrite) {
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console.warn("Clearing all data: Old session belongs to a different user/device");
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}
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return _doSetLoggedIn(credentials, overwrite);
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}
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/**
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* fires on_logging_in, optionally clears localstorage, persists new credentials
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* to localstorage, starts the new client.
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*
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* @param {MatrixClientCreds} credentials
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* @param {Boolean} clearStorage
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*
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* @returns {Promise} promise which resolves to the new MatrixClient once it has been started
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*/
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async function _doSetLoggedIn(credentials, clearStorage) {
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credentials.guest = Boolean(credentials.guest);
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const softLogout = isSoftLogout();
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console.log(
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"setLoggedIn: mxid: " + credentials.userId +
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" deviceId: " + credentials.deviceId +
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" guest: " + credentials.guest +
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" hs: " + credentials.homeserverUrl +
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" softLogout: " + softLogout,
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);
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// This is dispatched to indicate that the user is still in the process of logging in
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// because async code may take some time to resolve, breaking the assumption that
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// `setLoggedIn` takes an "instant" to complete, and dispatch `on_logged_in` a few ms
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// later than MatrixChat might assume.
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//
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// we fire it *synchronously* to make sure it fires before on_logged_in.
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// (dis.dispatch uses `setTimeout`, which does not guarantee ordering.)
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dis.dispatch({action: 'on_logging_in'}, true);
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if (clearStorage) {
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await _clearStorage();
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}
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const results = await StorageManager.checkConsistency();
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// If there's an inconsistency between account data in local storage and the
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// crypto store, we'll be generally confused when handling encrypted data.
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// Show a modal recommending a full reset of storage.
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if (results.dataInLocalStorage && results.cryptoInited && !results.dataInCryptoStore) {
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const signOut = await _showStorageEvictedDialog();
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if (signOut) {
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await _clearStorage();
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// This error feels a bit clunky, but we want to make sure we don't go any
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// further and instead head back to sign in.
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throw new AbortLoginAndRebuildStorage(
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"Aborting login in progress because of storage inconsistency",
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);
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}
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}
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Analytics.setLoggedIn(credentials.guest, credentials.homeserverUrl, credentials.identityServerUrl);
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if (localStorage) {
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try {
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_persistCredentialsToLocalStorage(credentials);
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// The user registered as a PWLU (PassWord-Less User), the generated password
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// is cached here such that the user can change it at a later time.
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if (credentials.password) {
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// Update SessionStore
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dis.dispatch({
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action: 'cached_password',
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cachedPassword: credentials.password,
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});
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}
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} catch (e) {
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console.warn("Error using local storage: can't persist session!", e);
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}
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} else {
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console.warn("No local storage available: can't persist session!");
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}
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MatrixClientPeg.replaceUsingCreds(credentials);
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dis.dispatch({ action: 'on_logged_in' });
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await startMatrixClient(/*startSyncing=*/!softLogout);
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return MatrixClientPeg.get();
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}
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function _showStorageEvictedDialog() {
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const StorageEvictedDialog = sdk.getComponent('views.dialogs.StorageEvictedDialog');
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return new Promise(resolve => {
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Modal.createTrackedDialog('Storage evicted', '', StorageEvictedDialog, {
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onFinished: resolve,
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});
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});
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}
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// Note: Babel 6 requires the `transform-builtin-extend` plugin for this to satisfy
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// `instanceof`. Babel 7 supports this natively in their class handling.
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class AbortLoginAndRebuildStorage extends Error { }
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function _persistCredentialsToLocalStorage(credentials) {
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localStorage.setItem("mx_hs_url", credentials.homeserverUrl);
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if (credentials.identityServerUrl) {
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localStorage.setItem("mx_is_url", credentials.identityServerUrl);
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}
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localStorage.setItem("mx_user_id", credentials.userId);
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localStorage.setItem("mx_access_token", credentials.accessToken);
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localStorage.setItem("mx_is_guest", JSON.stringify(credentials.guest));
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// if we didn't get a deviceId from the login, leave mx_device_id unset,
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// rather than setting it to "undefined".
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//
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// (in this case MatrixClient doesn't bother with the crypto stuff
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// - that's fine for us).
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if (credentials.deviceId) {
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localStorage.setItem("mx_device_id", credentials.deviceId);
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}
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console.log(`Session persisted for ${credentials.userId}`);
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}
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let _isLoggingOut = false;
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/**
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* Logs the current session out and transitions to the logged-out state
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*/
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export function logout() {
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if (!MatrixClientPeg.get()) return;
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if (MatrixClientPeg.get().isGuest()) {
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// logout doesn't work for guest sessions
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// Also we sometimes want to re-log in a guest session
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// if we abort the login
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onLoggedOut();
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return;
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}
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_isLoggingOut = true;
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MatrixClientPeg.get().logout().then(onLoggedOut,
|
|
(err) => {
|
|
// Just throwing an error here is going to be very unhelpful
|
|
// if you're trying to log out because your server's down and
|
|
// you want to log into a different server, so just forget the
|
|
// access token. It's annoying that this will leave the access
|
|
// token still valid, but we should fix this by having access
|
|
// tokens expire (and if you really think you've been compromised,
|
|
// change your password).
|
|
console.log("Failed to call logout API: token will not be invalidated");
|
|
onLoggedOut();
|
|
},
|
|
);
|
|
}
|
|
|
|
export function softLogout() {
|
|
if (!MatrixClientPeg.get()) return;
|
|
|
|
// Track that we've detected and trapped a soft logout. This helps prevent other
|
|
// parts of the app from starting if there's no point (ie: don't sync if we've
|
|
// been soft logged out, despite having credentials and data for a MatrixClient).
|
|
localStorage.setItem("mx_soft_logout", "true");
|
|
|
|
// Dev note: please keep this log line around. It can be useful for track down
|
|
// random clients stopping in the middle of the logs.
|
|
console.log("Soft logout initiated");
|
|
_isLoggingOut = true; // to avoid repeated flags
|
|
// Ensure that we dispatch a view change **before** stopping the client so
|
|
// so that React components unmount first. This avoids React soft crashes
|
|
// that can occur when components try to use a null client.
|
|
dis.dispatch({action: 'on_client_not_viable'}); // generic version of on_logged_out
|
|
stopMatrixClient(/*unsetClient=*/false);
|
|
|
|
// DO NOT CALL LOGOUT. A soft logout preserves data, logout does not.
|
|
}
|
|
|
|
export function isSoftLogout() {
|
|
return localStorage.getItem("mx_soft_logout") === "true";
|
|
}
|
|
|
|
export function isLoggingOut() {
|
|
return _isLoggingOut;
|
|
}
|
|
|
|
/**
|
|
* Starts the matrix client and all other react-sdk services that
|
|
* listen for events while a session is logged in.
|
|
* @param {boolean} startSyncing True (default) to actually start
|
|
* syncing the client.
|
|
*/
|
|
async function startMatrixClient(startSyncing=true) {
|
|
console.log(`Lifecycle: Starting MatrixClient`);
|
|
|
|
// dispatch this before starting the matrix client: it's used
|
|
// to add listeners for the 'sync' event so otherwise we'd have
|
|
// a race condition (and we need to dispatch synchronously for this
|
|
// to work).
|
|
dis.dispatch({action: 'will_start_client'}, true);
|
|
|
|
Notifier.start();
|
|
UserActivity.sharedInstance().start();
|
|
TypingStore.sharedInstance().reset(); // just in case
|
|
ToastStore.sharedInstance().reset();
|
|
if (!SettingsStore.getValue("lowBandwidth")) {
|
|
Presence.start();
|
|
}
|
|
DMRoomMap.makeShared().start();
|
|
IntegrationManagers.sharedInstance().startWatching();
|
|
ActiveWidgetStore.start();
|
|
|
|
// Start Mjolnir even though we haven't checked the feature flag yet. Starting
|
|
// the thing just wastes CPU cycles, but should result in no actual functionality
|
|
// being exposed to the user.
|
|
Mjolnir.sharedInstance().start();
|
|
|
|
if (startSyncing) {
|
|
// The client might want to populate some views with events from the
|
|
// index (e.g. the FilePanel), therefore initialize the event index
|
|
// before the client.
|
|
await EventIndexPeg.init();
|
|
await MatrixClientPeg.start();
|
|
} else {
|
|
console.warn("Caller requested only auxiliary services be started");
|
|
await MatrixClientPeg.assign();
|
|
}
|
|
|
|
// This needs to be started after crypto is set up
|
|
DeviceListener.sharedInstance().start();
|
|
|
|
// dispatch that we finished starting up to wire up any other bits
|
|
// of the matrix client that cannot be set prior to starting up.
|
|
dis.dispatch({action: 'client_started'});
|
|
|
|
if (isSoftLogout()) {
|
|
softLogout();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Stops a running client and all related services, and clears persistent
|
|
* storage. Used after a session has been logged out.
|
|
*/
|
|
export async function onLoggedOut() {
|
|
_isLoggingOut = false;
|
|
// Ensure that we dispatch a view change **before** stopping the client so
|
|
// so that React components unmount first. This avoids React soft crashes
|
|
// that can occur when components try to use a null client.
|
|
dis.dispatch({action: 'on_logged_out'}, true);
|
|
stopMatrixClient();
|
|
await _clearStorage();
|
|
}
|
|
|
|
/**
|
|
* @returns {Promise} promise which resolves once the stores have been cleared
|
|
*/
|
|
async function _clearStorage() {
|
|
Analytics.logout();
|
|
|
|
if (window.localStorage) {
|
|
window.localStorage.clear();
|
|
}
|
|
|
|
// create a temporary client to clear out the persistent stores.
|
|
const cli = createMatrixClient({
|
|
// we'll never make any requests, so can pass a bogus HS URL
|
|
baseUrl: "",
|
|
});
|
|
|
|
await EventIndexPeg.deleteEventIndex();
|
|
await cli.clearStores();
|
|
}
|
|
|
|
/**
|
|
* Stop all the background processes related to the current client.
|
|
* @param {boolean} unsetClient True (default) to abandon the client
|
|
* on MatrixClientPeg after stopping.
|
|
*/
|
|
export function stopMatrixClient(unsetClient=true) {
|
|
Notifier.stop();
|
|
UserActivity.sharedInstance().stop();
|
|
TypingStore.sharedInstance().reset();
|
|
Presence.stop();
|
|
ActiveWidgetStore.stop();
|
|
IntegrationManagers.sharedInstance().stopWatching();
|
|
Mjolnir.sharedInstance().stop();
|
|
DeviceListener.sharedInstance().stop();
|
|
if (DMRoomMap.shared()) DMRoomMap.shared().stop();
|
|
EventIndexPeg.stop();
|
|
const cli = MatrixClientPeg.get();
|
|
if (cli) {
|
|
cli.stopClient();
|
|
cli.removeAllListeners();
|
|
|
|
if (unsetClient) {
|
|
MatrixClientPeg.unset();
|
|
EventIndexPeg.unset();
|
|
}
|
|
}
|
|
}
|