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https://github.com/element-hq/element-web
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Implement Megolm key importing
This commit is contained in:
Richard van der Hoff
parent
e23deac1bb
commit
b85f53cadd
3 changed files with 194 additions and 15 deletions
170
src/async-components/views/dialogs/ImportE2eKeysDialog.js
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170
src/async-components/views/dialogs/ImportE2eKeysDialog.js
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@ -0,0 +1,170 @@
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/*
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Copyright 2017 Vector Creations 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 * as Matrix from 'matrix-js-sdk';
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import * as MegolmExportEncryption from '../../../utils/MegolmExportEncryption';
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import sdk from '../../../index';
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function readFileAsArrayBuffer(file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = (e) => {
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resolve(e.target.result);
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};
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reader.onerror = reject;
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reader.readAsArrayBuffer(file);
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});
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}
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const PHASE_EDIT = 1;
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const PHASE_IMPORTING = 2;
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export default React.createClass({
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displayName: 'ImportE2eKeysDialog',
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propTypes: {
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matrixClient: React.PropTypes.instanceOf(Matrix.MatrixClient).isRequired,
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onFinished: React.PropTypes.func.isRequired,
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},
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getInitialState: function() {
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return {
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enableSubmit: false,
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phase: PHASE_EDIT,
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errStr: null,
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};
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},
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componentWillMount: function() {
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this._unmounted = false;
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},
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componentWillUnmount: function() {
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this._unmounted = true;
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},
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_onFormChange: function(ev) {
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const files = this.refs.file.files || [];
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this.setState({
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enableSubmit: (this.refs.passphrase.value !== "" && files.length > 0),
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});
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},
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_onFormSubmit: function(ev) {
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ev.preventDefault();
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this._startImport(this.refs.file.files[0], this.refs.passphrase.value);
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return false;
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},
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_startImport: function(file, passphrase) {
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this.setState({
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errStr: null,
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phase: PHASE_IMPORTING,
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});
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return readFileAsArrayBuffer(file).then((arrayBuffer) => {
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return MegolmExportEncryption.decryptMegolmKeyFile(
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arrayBuffer, passphrase
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);
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}).then((keys) => {
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return this.props.matrixClient.importRoomKeys(JSON.parse(keys));
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}).then(() => {
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// TODO: it would probably be nice to give some feedback about what we've imported here.
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this.props.onFinished(true);
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}).catch((e) => {
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if (this._unmounted) {
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return;
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}
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this.setState({
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errStr: e.message,
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phase: PHASE_EDIT,
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});
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});
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},
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render: function() {
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const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
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const AccessibleButton = sdk.getComponent('views.elements.AccessibleButton');
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const disableForm = (this.state.phase !== PHASE_EDIT);
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return (
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<BaseDialog className='mx_importE2eKeysDialog'
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onFinished={this.props.onFinished}
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title="Import room keys"
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>
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<form onSubmit={this._onFormSubmit}>
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<div className="mx_Dialog_content">
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<p>
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This process allows you to import encryption keys
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that you had previously exported from another Matrix
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client. You will then be able to decrypt any
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messages that the other client could decrypt.
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</p>
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<p>
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The export file will be protected with a passphrase.
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You should enter the passphrase here, to decrypt the
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file.
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</p>
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<div className='error'>
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{this.state.errStr}
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</div>
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<div className='mx_E2eKeysDialog_inputTable'>
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<div className='mx_E2eKeysDialog_inputRow'>
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<div className='mx_E2eKeysDialog_inputLabel'>
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<label htmlFor='importFile'>
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File to import
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</label>
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</div>
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<div className='mx_E2eKeysDialog_inputCell'>
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<input ref='file' id='importFile' type='file'
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autoFocus={true}
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onChange={this._onFormChange}
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disabled={disableForm} />
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</div>
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</div>
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<div className='mx_E2eKeysDialog_inputRow'>
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<div className='mx_E2eKeysDialog_inputLabel'>
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<label htmlFor='passphrase'>
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Enter passphrase
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</label>
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</div>
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<div className='mx_E2eKeysDialog_inputCell'>
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<input ref='passphrase' id='passphrase'
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size='64' type='password'
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onChange={this._onFormChange}
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disabled={disableForm}/>
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</div>
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</div>
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</div>
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</div>
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<div className='mx_Dialog_buttons'>
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<input className='mx_Dialog_primary' type='submit' value='Import'
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disabled={!this.state.enableSubmit || disableForm}
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/>
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<AccessibleButton element='button' onClick={this.props.onFinished}
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disabled={disableForm}>
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Cancel
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</AccessibleButton>
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</div>
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</form>
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</BaseDialog>
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);
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},
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});
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@ -396,7 +396,21 @@ module.exports = React.createClass({
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_onExportE2eKeysClicked: function() {
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Modal.createDialogAsync(
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(cb) => {
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require(['../../async-components/views/dialogs/ExportE2eKeysDialog'], cb);
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require.ensure(['../../async-components/views/dialogs/ExportE2eKeysDialog'], () => {
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cb(require('../../async-components/views/dialogs/ExportE2eKeysDialog'));
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}, "e2e-export");
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}, {
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matrixClient: MatrixClientPeg.get(),
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}
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);
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},
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_onImportE2eKeysClicked: function() {
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Modal.createDialogAsync(
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(cb) => {
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require.ensure(['../../async-components/views/dialogs/ImportE2eKeysDialog'], () => {
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cb(require('../../async-components/views/dialogs/ImportE2eKeysDialog'));
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}, "e2e-export");
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}, {
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matrixClient: MatrixClientPeg.get(),
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}
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@ -473,7 +487,8 @@ module.exports = React.createClass({
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const deviceId = client.deviceId;
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const identityKey = client.getDeviceEd25519Key() || "<not supported>";
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let exportButton = null;
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let exportButton = null,
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importButton = null;
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if (client.isCryptoEnabled) {
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exportButton = (
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@ -482,6 +497,12 @@ module.exports = React.createClass({
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Export E2E room keys
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</AccessibleButton>
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);
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importButton = (
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<AccessibleButton className="mx_UserSettings_button"
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onClick={this._onImportE2eKeysClicked}>
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Import E2E room keys
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</AccessibleButton>
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);
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}
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return (
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<div>
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@ -492,6 +513,7 @@ module.exports = React.createClass({
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<li><label>Device key:</label> <span><code><b>{identityKey}</b></code></span></li>
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</ul>
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{exportButton}
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{importButton}
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</div>
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</div>
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);
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13
src/index.js
13
src/index.js
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@ -27,16 +27,3 @@ module.exports.resetSkin = function() {
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module.exports.getComponent = function(componentName) {
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return Skinner.getComponent(componentName);
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};
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/*
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window.importKeys = function(password, data) {
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const arrayBuffer = new TextEncoder().encode(data).buffer;
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return MegolmExportEncryption.decryptMegolmKeyFile(
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arrayBuffer, password
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).then((j) => {
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const k = JSON.parse(j);
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return MatrixClientPeg.get().importRoomKeys(k);
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});
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};
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*/
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