WIP sas in right panel

src/components/views/right_panel/VerificationPanel.js

@@ -0,0 +1,88 @@
+/*
+Copyright 2019 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import sdk from "../../..";
+import {verificationMethods} from 'matrix-js-sdk/lib/crypto';
+
+export default class VerificationPanel extends React.PureComponent {
+    constructor(props) {
+        super(props);
+        this.state = {};
+    }
+
+    render() {
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+        const Spinner = sdk.getComponent('elements.Spinner');
+        const {request} = this.props;
+
+        if (request.requested) {
+            return (<p>Waiting for {request.otherUserId} to accept ... <Spinner /></p>);
+        } else if (request.ready) {
+            return (<p>{request.otherUserId} is ready, start <AccessibleButton onClick={this._startSAS}>Verify by emoji</AccessibleButton></p>);
+        } else if (request.started) {
+            if (this.state.sasEvent) {
+                const VerificationShowSas = sdk.getComponent('views.verification.VerificationShowSas');
+                return (<div>
+                    <VerificationShowSas
+                        sas={this.state.sasEvent.sas}
+                        onCancel={this._onSasMismatchesClick}
+                        onDone={this._onSasMatchesClick}
+                    />
+                </div>);
+            } else {
+                return (<p>Setting up SAS verification...</p>);
+            }
+        } else if (request.done) {
+            return <p>verified {request.otherUserId}!!</p>;
+        }
+    }
+
+    _startSAS = async () => {
+        const verifier = this.props.request.beginKeyVerification(verificationMethods.SAS);
+        verifier.on('show_sas', this._onVerifierShowSas);
+        try {
+            await this._verifier.verify();
+        } finally {
+            this.setState({sasEvent: null});
+            verifier.removeListener('show_sas', this._onVerifierShowSas);
+        }
+    };
+
+    _onSasMatchesClick = () => {
+        this.state.sasEvent.confirm();
+    };
+
+    _onSasMismatchesClick = () => {
+        this.state.sasEvent.cancel();
+    };
+
+    _onVerifierShowSas = (sasEvent) => {
+        this.setState({sasEvent});
+    };
+
+    _onRequestChange = () => {
+        this.forceUpdate();
+    };
+
+    componentDidMount() {
+        this.props.request.on("change", this._onRequestChange);
+    }
+
+    componentWillUnmount() {
+        this.props.request.off("change", this._onRequestChange);
+    }
+}