mirror of
https://github.com/element-hq/element-web.git
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323 lines
13 KiB
JavaScript
323 lines
13 KiB
JavaScript
/*
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Copyright 2018 New Vector Ltd
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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 React from 'react';
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import sdk from '../../../index';
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import MatrixClientPeg from '../../../MatrixClientPeg';
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import { _t } from '../../../languageHandler';
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import Modal from '../../../Modal';
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export default class KeyBackupPanel extends React.PureComponent {
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constructor(props) {
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super(props);
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this._startNewBackup = this._startNewBackup.bind(this);
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this._deleteBackup = this._deleteBackup.bind(this);
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this._onKeyBackupSessionsRemaining =
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this._onKeyBackupSessionsRemaining.bind(this);
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this._onKeyBackupStatus = this._onKeyBackupStatus.bind(this);
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this._restoreBackup = this._restoreBackup.bind(this);
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this._unmounted = false;
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this.state = {
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loading: true,
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error: null,
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backupInfo: null,
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sessionsRemaining: 0,
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};
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}
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componentWillMount() {
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this._checkKeyBackupStatus();
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MatrixClientPeg.get().on('crypto.keyBackupStatus', this._onKeyBackupStatus);
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MatrixClientPeg.get().on(
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'crypto.keyBackupSessionsRemaining',
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this._onKeyBackupSessionsRemaining,
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);
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}
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componentWillUnmount() {
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this._unmounted = true;
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if (MatrixClientPeg.get()) {
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MatrixClientPeg.get().removeListener('crypto.keyBackupStatus', this._onKeyBackupStatus);
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MatrixClientPeg.get().removeListener(
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'crypto.keyBackupSessionsRemaining',
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this._onKeyBackupSessionsRemaining,
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);
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}
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}
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_onKeyBackupSessionsRemaining(sessionsRemaining) {
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this.setState({
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sessionsRemaining,
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});
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}
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_onKeyBackupStatus() {
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// This just loads the current backup status rather than forcing
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// a re-check otherwise we risk causing infinite loops
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this._loadBackupStatus();
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}
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async _checkKeyBackupStatus() {
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try {
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const {backupInfo, trustInfo} = await MatrixClientPeg.get().checkKeyBackup();
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this.setState({
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backupInfo,
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backupSigStatus: trustInfo,
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error: null,
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loading: false,
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});
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} catch (e) {
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console.log("Unable to fetch check backup status", e);
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if (this._unmounted) return;
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this.setState({
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error: e,
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backupInfo: null,
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backupSigStatus: null,
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loading: false,
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});
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}
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}
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async _loadBackupStatus() {
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this.setState({loading: true});
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try {
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const backupInfo = await MatrixClientPeg.get().getKeyBackupVersion();
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const backupSigStatus = await MatrixClientPeg.get().isKeyBackupTrusted(backupInfo);
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if (this._unmounted) return;
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this.setState({
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error: null,
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backupInfo,
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backupSigStatus,
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loading: false,
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});
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} catch (e) {
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console.log("Unable to fetch key backup status", e);
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if (this._unmounted) return;
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this.setState({
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error: e,
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backupInfo: null,
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backupSigStatus: null,
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loading: false,
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});
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}
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}
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_startNewBackup() {
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Modal.createTrackedDialogAsync('Key Backup', 'Key Backup',
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import('../../../async-components/views/dialogs/keybackup/CreateKeyBackupDialog'),
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{
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onFinished: () => {
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this._loadBackupStatus();
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},
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},
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);
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}
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_deleteBackup() {
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const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
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Modal.createTrackedDialog('Delete Backup', '', QuestionDialog, {
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title: _t('Delete Backup'),
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description: _t(
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"Are you sure? You will lose your encrypted messages if your " +
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"keys are not backed up properly.",
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),
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button: _t('Delete Backup'),
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danger: true,
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onFinished: (proceed) => {
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if (!proceed) return;
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this.setState({loading: true});
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MatrixClientPeg.get().deleteKeyBackupVersion(this.state.backupInfo.version).then(() => {
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this._loadBackupStatus();
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});
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},
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});
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}
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_restoreBackup() {
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const RestoreKeyBackupDialog = sdk.getComponent('dialogs.keybackup.RestoreKeyBackupDialog');
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Modal.createTrackedDialog('Restore Backup', '', RestoreKeyBackupDialog, {
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});
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}
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render() {
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const Spinner = sdk.getComponent("elements.Spinner");
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const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
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const encryptedMessageAreEncrypted = _t(
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"Encrypted messages are secured with end-to-end encryption. " +
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"Only you and the recipient(s) have the keys to read these messages.",
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);
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if (this.state.error) {
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return (
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<div className="error">
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{_t("Unable to load key backup status")}
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</div>
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);
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} else if (this.state.loading) {
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return <Spinner />;
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} else if (this.state.backupInfo) {
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let clientBackupStatus;
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let restoreButtonCaption = _t("Restore from Backup");
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if (MatrixClientPeg.get().getKeyBackupEnabled()) {
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clientBackupStatus = <div>
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<p>{encryptedMessageAreEncrypted}</p>
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<p>✅ {_t("This device is backing up your keys. ")}</p>
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</div>;
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} else {
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clientBackupStatus = <div>
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<p>{encryptedMessageAreEncrypted}</p>
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<p>{_t(
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"This device is <b>not backing up your keys</b>, " +
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"but you do have an existing backup you can restore from " +
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"and add to going forward.", {},
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{b: sub => <b>{sub}</b>},
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)}</p>
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<p>{_t(
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"Connect this device to key backup before signing out to avoid " +
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"losing any keys that may only be on this device.",
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)}</p>
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</div>;
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restoreButtonCaption = _t("Connect this device to Key Backup");
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}
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let uploadStatus;
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const { sessionsRemaining } = this.state;
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if (!MatrixClientPeg.get().getKeyBackupEnabled()) {
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// No upload status to show when backup disabled.
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uploadStatus = "";
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} else if (sessionsRemaining > 0) {
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uploadStatus = <div>
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{_t("Backing up %(sessionsRemaining)s keys...", { sessionsRemaining })} <br />
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</div>;
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} else {
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uploadStatus = <div>
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{_t("All keys backed up")} <br />
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</div>;
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}
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let backupSigStatuses = this.state.backupSigStatus.sigs.map((sig, i) => {
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const deviceName = sig.device ? (sig.device.getDisplayName() || sig.device.deviceId) : null;
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const validity = sub =>
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<span className={sig.valid ? 'mx_KeyBackupPanel_sigValid' : 'mx_KeyBackupPanel_sigInvalid'}>
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{sub}
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</span>;
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const verify = sub =>
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<span className={sig.device && sig.device.isVerified() ? 'mx_KeyBackupPanel_deviceVerified' : 'mx_KeyBackupPanel_deviceNotVerified'}>
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{sub}
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</span>;
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const device = sub => <span className="mx_KeyBackupPanel_deviceName">{deviceName}</span>;
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const fromThisDevice = (
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sig.device &&
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sig.device.getFingerprint() === MatrixClientPeg.get().getDeviceEd25519Key()
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);
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let sigStatus;
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if (!sig.device) {
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sigStatus = _t(
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"Backup has a signature from <verify>unknown</verify> device with ID %(deviceId)s.",
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{ deviceId: sig.deviceId }, { verify },
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);
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} else if (sig.valid && fromThisDevice) {
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sigStatus = _t(
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"Backup has a <validity>valid</validity> signature from this device",
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{}, { validity },
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);
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} else if (!sig.valid && fromThisDevice) {
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// it can happen...
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sigStatus = _t(
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"Backup has an <validity>invalid</validity> signature from this device",
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{}, { validity },
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);
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} else if (sig.valid && sig.device.isVerified()) {
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sigStatus = _t(
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"Backup has a <validity>valid</validity> signature from " +
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"<verify>verified</verify> device <device></device>",
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{}, { validity, verify, device },
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);
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} else if (sig.valid && !sig.device.isVerified()) {
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sigStatus = _t(
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"Backup has a <validity>valid</validity> signature from " +
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"<verify>unverified</verify> device <device></device>",
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{}, { validity, verify, device },
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);
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} else if (!sig.valid && sig.device.isVerified()) {
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sigStatus = _t(
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"Backup has an <validity>invalid</validity> signature from " +
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"<verify>verified</verify> device <device></device>",
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{}, { validity, verify, device },
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);
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} else if (!sig.valid && !sig.device.isVerified()) {
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sigStatus = _t(
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"Backup has an <validity>invalid</validity> signature from " +
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"<verify>unverified</verify> device <device></device>",
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{}, { validity, verify, device },
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);
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}
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return <div key={i}>
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{sigStatus}
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</div>;
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});
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if (this.state.backupSigStatus.sigs.length === 0) {
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backupSigStatuses = _t("Backup is not signed by any of your devices");
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}
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let trustedLocally;
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if (this.state.backupSigStatus.trusted_locally) {
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trustedLocally = _t("This backup is trusted because it has been restored on this device");
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}
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return <div>
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<div>{clientBackupStatus}</div>
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<details>
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<summary>{_t("Advanced")}</summary>
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<div>{_t("Backup version: ")}{this.state.backupInfo.version}</div>
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<div>{_t("Algorithm: ")}{this.state.backupInfo.algorithm}</div>
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{uploadStatus}
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<div>{backupSigStatuses}</div>
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<div>{trustedLocally}</div>
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</details>
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<p>
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<AccessibleButton kind="primary" onClick={this._restoreBackup}>
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{restoreButtonCaption}
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</AccessibleButton>
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<AccessibleButton kind="danger" onClick={this._deleteBackup}>
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{ _t("Delete Backup") }
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</AccessibleButton>
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</p>
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</div>;
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} else {
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return <div>
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<div>
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<p>{_t(
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"Your keys are <b>not being backed up from this device</b>.", {},
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{b: sub => <b>{sub}</b>},
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)}</p>
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<p>{encryptedMessageAreEncrypted}</p>
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<p>{_t("Back up your keys before signing out to avoid losing them.")}</p>
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</div>
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<AccessibleButton kind="primary" onClick={this._startNewBackup}>
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{ _t("Start using Key Backup") }
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</AccessibleButton>
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</div>;
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}
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}
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}
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