Adding Genius as a full authenticator

src/js/components/Fields/GeniusAuthenticationFrame.js

@@ -0,0 +1,123 @@
+
+import React, { PropTypes } from 'react'
+import { connect } from 'react-redux'
+import { createStore, bindActionCreators } from 'redux'
+import ReactGA from 'react-ga'
+
+import Thumbnail from '../Thumbnail'
+
+import * as uiActions from '../../services/ui/actions'
+import * as geniusActions from '../../services/genius/actions'
+
+class GeniusAuthenticationFrame extends React.Component{
+
+	constructor(props){
+		super(props);
+
+		this.state = {
+			authorizing: false
+		}
+	}
+
+	componentDidMount(){
+		let self = this;
+
+		// Listen for incoming messages from the authorization popup
+		window.addEventListener('message', function(event){
+			var data = JSON.parse(event.data);
+
+			// Only digest messages relevant to us
+			if (data.origin == 'auth_lastfm'){
+				self.handleMessage(event, data);
+			}
+		}, false);
+	}
+
+	handleMessage(event, data){
+
+		// Only allow incoming data from our authorized authenticator proxy
+		var authorization_domain = this.props.authorization_url.substring(0,this.props.authorization_url.indexOf('/',8))
+		if (event.origin != authorization_domain){
+			this.props.uiActions.createNotification({content: 'Authorization failed. '+event.origin+' is not the configured authorization_url.', type: 'bad'});
+			return false
+		}
+
+		// Bounced with an error
+		if (data.error !== undefined){
+			this.props.uiActions.createNotification({content: data.message, type: 'bad'});
+
+		// No errors? We're in!
+		} else {
+			this.props.geniusActions.authorizationGranted(data)
+			this.props.geniusActions.getMe()
+		}
+
+		// Turn off our authorizing switch
+		this.setState({authorizing: false});
+	}
+
+	startAuthorization(){
+
+		var self = this
+		this.setState({authorizing: true})
+
+		// Open an authentication request window
+		var url = this.props.authorization_url+'?action=authorize'
+		var popup = window.open(url,"popup","height=580,width=350");
+		popup.name = "GeniusAuthenticationWindow";
+
+		// Start timer to check our popup's state
+		var timer = setInterval(checkPopup, 1000);
+        function checkPopup(){
+
+        	// Popup has been closed
+            if (typeof(popup) !== 'undefined' && popup){
+                if (popup.closed){
+					self.setState({authorizing: false})
+                    clearInterval(timer);
+                }
+
+            // Popup does not exist, so must have been blocked
+            } else {
+				self.props.uiActions.createNotification({content: 'Popup blocked. Please allow popups and try again.', type: 'bad'});
+				self.setState({authorizing: false})
+                clearInterval(timer);
+            }
+        }
+	}
+
+	render(){
+		if (this.state.authorizing){
+			return (
+				<button className="working">
+					Authorizing...
+				</button>
+			)
+		} else if (this.props.authorized){
+			return (
+				<button className="destructive" onClick={() => this.props.geniusActions.revokeAuthorization()}>Log out</button>
+			)
+		} else {
+			return (
+				<button className="primary" onClick={() => this.startAuthorization()}>Log in</button>
+			)
+		}
+	}
+}
+
+const mapStateToProps = (state, ownProps) => {
+	return {
+		authorization_url: state.genius.authorization_url,
+		authorized: state.genius.session,
+		authorizing: state.genius.authorizing
+	}
+}
+
+const mapDispatchToProps = (dispatch) => {
+	return {
+		uiActions: bindActionCreators(uiActions, dispatch),
+		geniusActions: bindActionCreators(geniusActions, dispatch)
+	}
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(GeniusAuthenticationFrame)