added signInRequired in joinDialog

server/lib/Lobby.js

@@ -1,5 +1,7 @@
 const EventEmitter = require('events').EventEmitter;
 const Logger = require('./Logger');
+const config = require('../config/config');
+
 
 const logger = new Logger('Lobby');
 
@@ -89,6 +91,9 @@ class Lobby extends EventEmitter
 
 		this._notification(peer.socket, 'enteredLobby');
 
+		if (config.requireSignInToAccess && !peer.authenticated && !super.isLocked) 
+			this._notification(peer.socket, 'signInRequired');
+
 		this._peers.set(peer.id, peer);
 
 		peer.on('authenticationChanged', () =>

server/lib/Room.js

@@ -83,6 +83,11 @@ class Room extends EventEmitter
 		this._handleAudioLevelObserver();
 	}
 
+	isLocked()
+	{
+		return this._locked;
+	}
+
 	close()
 	{
 		logger.debug('close()');