Merge pull request #2169 from matrix-org/dbkr/e2e_backups
Online incremental megolm backups (v2)
This commit is contained in:
David Baker
GitHub
240
src/components/views/settings/KeyBackupPanel.js
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240
src/components/views/settings/KeyBackupPanel.js
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/*
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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.Component {
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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._verifyDevice = this._verifyDevice.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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};
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}
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componentWillMount() {
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this._loadBackupStatus();
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MatrixClientPeg.get().on('crypto.keyBackupStatus', this._onKeyBackupStatus);
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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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}
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}
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_onKeyBackupStatus() {
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this._loadBackupStatus();
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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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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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loading: false,
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});
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return;
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}
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}
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_startNewBackup() {
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const CreateKeyBackupDialog = sdk.getComponent('dialogs.keybackup.CreateKeyBackupDialog');
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Modal.createTrackedDialog('Key Backup', 'Key Backup', CreateKeyBackupDialog, {
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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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_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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"Delete your backed up encryption keys from the server? " +
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"You will no longer be able to use your recovery key to read encrypted message history",
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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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_verifyDevice(e) {
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const device = this.state.backupSigStatus.sigs[e.target.getAttribute('data-sigindex')].device;
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const DeviceVerifyDialog = sdk.getComponent('views.dialogs.DeviceVerifyDialog');
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Modal.createTrackedDialog('Device Verify Dialog', '', DeviceVerifyDialog, {
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userId: MatrixClientPeg.get().credentials.userId,
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device: device,
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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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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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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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if (MatrixClientPeg.get().getKeyBackupEnabled()) {
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clientBackupStatus = _t("This device is uploading keys to this backup");
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} else {
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// XXX: display why and how to fix it
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clientBackupStatus = _t(
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"This device is <b>not</b> uploading keys to this backup", {},
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{b: x => <b>{x}</b>},
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);
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}
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let backupSigStatuses = this.state.backupSigStatus.sigs.map((sig, i) => {
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const sigStatusSubstitutions = {
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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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verify: sub =>
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<span className={sig.device.isVerified() ? 'mx_KeyBackupPanel_deviceVerified' : 'mx_KeyBackupPanel_deviceNotVerified'}>
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{sub}
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</span>,
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device: sub => <span className="mx_KeyBackupPanel_deviceName">{sig.device.getDisplayName()}</span>,
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};
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let sigStatus;
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if (sig.device.getFingerprint() === MatrixClientPeg.get().getDeviceEd25519Key()) {
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sigStatus = _t(
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"Backup has a <validity>valid</validity> signature from this device",
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{}, sigStatusSubstitutions,
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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>x</device>",
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{}, sigStatusSubstitutions,
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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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{}, sigStatusSubstitutions,
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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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{}, sigStatusSubstitutions,
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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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{}, sigStatusSubstitutions,
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);
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}
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let verifyButton;
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if (!sig.device.isVerified()) {
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verifyButton = <div><br /><AccessibleButton className="mx_UserSettings_button"
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onClick={this._verifyDevice} data-sigindex={i}>
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{ _t("Verify...") }
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</AccessibleButton></div>;
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}
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return <div key={i}>
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{sigStatus}
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{verifyButton}
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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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return <div>
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{_t("Backup version: ")}{this.state.backupInfo.version}<br />
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{_t("Algorithm: ")}{this.state.backupInfo.algorithm}<br />
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{clientBackupStatus}<br />
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<div>{backupSigStatuses}</div><br />
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<br />
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<AccessibleButton className="mx_UserSettings_button"
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onClick={this._restoreBackup}>
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{ _t("Restore backup") }
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</AccessibleButton>
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<AccessibleButton className="mx_UserSettings_button danger"
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onClick={this._deleteBackup}>
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{ _t("Delete backup") }
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</AccessibleButton>
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</div>;
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} else {
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return <div>
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{_t("No backup is present")}<br /><br />
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<AccessibleButton className="mx_UserSettings_button"
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onClick={this._startNewBackup}>
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{ _t("Start a new 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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