From bbcc64af6b8e610f09a845c940c930d4d91a12f4 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han <jacky_cute0808@hotmail.com>
Date: Sun, 12 Jul 2015 17:19:07 +0800
Subject: [PATCH] Handle an server getNotenameFromSocket referer undefined
 exception

---
 lib/realtime.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/realtime.js b/lib/realtime.js
index 66a3c9c..3e36715 100644
--- a/lib/realtime.js
+++ b/lib/realtime.js
@@ -151,7 +151,11 @@ function getStatus(callback) {
 }
 
 function getNotenameFromSocket(socket) {
-    var hostUrl = url.parse(socket.handshake.headers.referer);
+    var referer = socket.handshake.headers.referer;
+    if (!referer) {
+        return socket.disconnect();
+    }
+    var hostUrl = url.parse(referer);
     var notename = hostUrl.pathname.split('/')[1];
     if (notename == config.featuresnotename) {
         return notename;