eb536ff2f7
Conflicts: src/components/views/dialogs/CreateRoomDialog.js src/components/views/dialogs/InviteDialog.js src/components/views/right_panel/UserInfo.js src/createRoom.js
266 lines
11 KiB
TypeScript
266 lines
11 KiB
TypeScript
/*
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Copyright 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 {MatrixClientPeg} from './MatrixClientPeg';
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import {
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hideToast as hideBulkUnverifiedSessionsToast,
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showToast as showBulkUnverifiedSessionsToast
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} from "./toasts/BulkUnverifiedSessionsToast";
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import {
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hideToast as hideSetupEncryptionToast,
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Kind as SetupKind,
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showToast as showSetupEncryptionToast
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} from "./toasts/SetupEncryptionToast";
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import {
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hideToast as hideUnverifiedSessionsToast,
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showToast as showUnverifiedSessionsToast
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} from "./toasts/UnverifiedSessionToast";
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import {privateShouldBeEncrypted} from "./createRoom";
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const KEY_BACKUP_POLL_INTERVAL = 5 * 60 * 1000;
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export default class DeviceListener {
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// device IDs for which the user has dismissed the verify toast ('Later')
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private dismissed = new Set<string>();
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// has the user dismissed any of the various nag toasts to setup encryption on this device?
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private dismissedThisDeviceToast = false;
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// cache of the key backup info
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private keyBackupInfo: object = null;
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private keyBackupFetchedAt: number = null;
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// We keep a list of our own device IDs so we can batch ones that were already
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// there the last time the app launched into a single toast, but display new
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// ones in their own toasts.
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private ourDeviceIdsAtStart: Set<string> = null;
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// The set of device IDs we're currently displaying toasts for
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private displayingToastsForDeviceIds = new Set<string>();
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static sharedInstance() {
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if (!window.mx_DeviceListener) window.mx_DeviceListener = new DeviceListener();
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return window.mx_DeviceListener;
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}
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start() {
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MatrixClientPeg.get().on('crypto.willUpdateDevices', this._onWillUpdateDevices);
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MatrixClientPeg.get().on('crypto.devicesUpdated', this._onDevicesUpdated);
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MatrixClientPeg.get().on('deviceVerificationChanged', this._onDeviceVerificationChanged);
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MatrixClientPeg.get().on('userTrustStatusChanged', this._onUserTrustStatusChanged);
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MatrixClientPeg.get().on('crossSigning.keysChanged', this._onCrossSingingKeysChanged);
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MatrixClientPeg.get().on('accountData', this._onAccountData);
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MatrixClientPeg.get().on('sync', this._onSync);
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this._recheck();
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}
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stop() {
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if (MatrixClientPeg.get()) {
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MatrixClientPeg.get().removeListener('crypto.willUpdateDevices', this._onWillUpdateDevices);
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MatrixClientPeg.get().removeListener('crypto.devicesUpdated', this._onDevicesUpdated);
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MatrixClientPeg.get().removeListener('deviceVerificationChanged', this._onDeviceVerificationChanged);
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MatrixClientPeg.get().removeListener('userTrustStatusChanged', this._onUserTrustStatusChanged);
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MatrixClientPeg.get().removeListener('crossSigning.keysChanged', this._onCrossSingingKeysChanged);
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MatrixClientPeg.get().removeListener('accountData', this._onAccountData);
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MatrixClientPeg.get().removeListener('sync', this._onSync);
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}
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this.dismissed.clear();
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this.dismissedThisDeviceToast = false;
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this.keyBackupInfo = null;
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this.keyBackupFetchedAt = null;
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this.ourDeviceIdsAtStart = null;
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this.displayingToastsForDeviceIds = new Set();
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}
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/**
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* Dismiss notifications about our own unverified devices
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*
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* @param {String[]} deviceIds List of device IDs to dismiss notifications for
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*/
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async dismissUnverifiedSessions(deviceIds: Iterable<string>) {
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for (const d of deviceIds) {
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this.dismissed.add(d);
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}
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this._recheck();
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}
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dismissEncryptionSetup() {
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this.dismissedThisDeviceToast = true;
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this._recheck();
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}
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_ensureDeviceIdsAtStartPopulated() {
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if (this.ourDeviceIdsAtStart === null) {
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const cli = MatrixClientPeg.get();
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this.ourDeviceIdsAtStart = new Set(
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cli.getStoredDevicesForUser(cli.getUserId()).map(d => d.deviceId),
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);
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}
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}
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_onWillUpdateDevices = async (users: string[], initialFetch?: boolean) => {
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// If we didn't know about *any* devices before (ie. it's fresh login),
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// then they are all pre-existing devices, so ignore this and set the
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// devicesAtStart list to the devices that we see after the fetch.
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if (initialFetch) return;
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const myUserId = MatrixClientPeg.get().getUserId();
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if (users.includes(myUserId)) this._ensureDeviceIdsAtStartPopulated();
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// No need to do a recheck here: we just need to get a snapshot of our devices
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// before we download any new ones.
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}
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_onDevicesUpdated = (users: string[]) => {
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if (!users.includes(MatrixClientPeg.get().getUserId())) return;
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this._recheck();
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}
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_onDeviceVerificationChanged = (userId: string) => {
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if (userId !== MatrixClientPeg.get().getUserId()) return;
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this._recheck();
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}
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_onUserTrustStatusChanged = (userId: string) => {
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if (userId !== MatrixClientPeg.get().getUserId()) return;
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this._recheck();
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}
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_onCrossSingingKeysChanged = () => {
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this._recheck();
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}
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_onAccountData = (ev) => {
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// User may have:
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// * migrated SSSS to symmetric
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// * uploaded keys to secret storage
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// * completed secret storage creation
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// which result in account data changes affecting checks below.
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if (
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ev.getType().startsWith('m.secret_storage.') ||
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ev.getType().startsWith('m.cross_signing.')
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) {
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this._recheck();
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}
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}
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_onSync = (state, prevState) => {
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if (state === 'PREPARED' && prevState === null) this._recheck();
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}
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// The server doesn't tell us when key backup is set up, so we poll
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// & cache the result
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async _getKeyBackupInfo() {
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const now = (new Date()).getTime();
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if (!this.keyBackupInfo || this.keyBackupFetchedAt < now - KEY_BACKUP_POLL_INTERVAL) {
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this.keyBackupInfo = await MatrixClientPeg.get().getKeyBackupVersion();
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this.keyBackupFetchedAt = now;
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}
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return this.keyBackupInfo;
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}
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private shouldShowSetupEncryptionToast() {
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// In a default configuration, show the toasts. If the well-known config causes e2ee default to be false
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// then do not show the toasts until user is in at least one encrypted room.
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if (privateShouldBeEncrypted()) return true;
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const cli = MatrixClientPeg.get();
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return cli && cli.getRooms().some(r => cli.isRoomEncrypted(r.roomId));
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}
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async _recheck() {
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const cli = MatrixClientPeg.get();
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if (!await cli.doesServerSupportUnstableFeature("org.matrix.e2e_cross_signing")) return;
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if (!cli.isCryptoEnabled()) return;
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// don't recheck until the initial sync is complete: lots of account data events will fire
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// while the initial sync is processing and we don't need to recheck on each one of them
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// (we add a listener on sync to do once check after the initial sync is done)
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if (!cli.isInitialSyncComplete()) return;
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const crossSigningReady = await cli.isCrossSigningReady();
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if (this.dismissedThisDeviceToast || crossSigningReady) {
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hideSetupEncryptionToast();
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} else if (this.shouldShowSetupEncryptionToast()) {
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// make sure our keys are finished downloading
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await cli.downloadKeys([cli.getUserId()]);
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// cross signing isn't enabled - nag to enable it
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// There are 3 different toasts for:
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if (cli.getStoredCrossSigningForUser(cli.getUserId())) {
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// Cross-signing on account but this device doesn't trust the master key (verify this session)
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showSetupEncryptionToast(SetupKind.VERIFY_THIS_SESSION);
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} else {
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const backupInfo = await this._getKeyBackupInfo();
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if (backupInfo) {
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// No cross-signing on account but key backup available (upgrade encryption)
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showSetupEncryptionToast(SetupKind.UPGRADE_ENCRYPTION);
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} else {
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// No cross-signing or key backup on account (set up encryption)
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showSetupEncryptionToast(SetupKind.SET_UP_ENCRYPTION);
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}
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}
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}
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// This needs to be done after awaiting on downloadKeys() above, so
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// we make sure we get the devices after the fetch is done.
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this._ensureDeviceIdsAtStartPopulated();
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// Unverified devices that were there last time the app ran
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// (technically could just be a boolean: we don't actually
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// need to remember the device IDs, but for the sake of
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// symmetry...).
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const oldUnverifiedDeviceIds = new Set<string>();
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// Unverified devices that have appeared since then
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const newUnverifiedDeviceIds = new Set<string>();
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// as long as cross-signing isn't ready,
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// you can't see or dismiss any device toasts
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if (crossSigningReady) {
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const devices = cli.getStoredDevicesForUser(cli.getUserId());
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for (const device of devices) {
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if (device.deviceId === cli.deviceId) continue;
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const deviceTrust = await cli.checkDeviceTrust(cli.getUserId(), device.deviceId);
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if (!deviceTrust.isCrossSigningVerified() && !this.dismissed.has(device.deviceId)) {
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if (this.ourDeviceIdsAtStart.has(device.deviceId)) {
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oldUnverifiedDeviceIds.add(device.deviceId);
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} else {
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newUnverifiedDeviceIds.add(device.deviceId);
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}
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}
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}
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}
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// Display or hide the batch toast for old unverified sessions
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if (oldUnverifiedDeviceIds.size > 0) {
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showBulkUnverifiedSessionsToast(oldUnverifiedDeviceIds);
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} else {
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hideBulkUnverifiedSessionsToast();
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}
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// Show toasts for new unverified devices if they aren't already there
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for (const deviceId of newUnverifiedDeviceIds) {
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showUnverifiedSessionsToast(deviceId);
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}
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// ...and hide any we don't need any more
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for (const deviceId of this.displayingToastsForDeviceIds) {
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if (!newUnverifiedDeviceIds.has(deviceId)) {
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hideUnverifiedSessionsToast(deviceId);
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}
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}
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this.displayingToastsForDeviceIds = newUnverifiedDeviceIds;
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}
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}
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