From ccaadaad45348cda17da6c11adf301ed3b22ca25 Mon Sep 17 00:00:00 2001
From: David Banham <david@banham.id.au>
Date: Mon, 11 Mar 2013 09:15:11 +1100
Subject: [PATCH] Error check to prevent exception from Cipher

---
 plugin/multiplex/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugin/multiplex/index.js b/plugin/multiplex/index.js
index 0b03fc7..35df8e3 100644
--- a/plugin/multiplex/index.js
+++ b/plugin/multiplex/index.js
@@ -15,6 +15,7 @@ var opts = {
 
 io.sockets.on('connection', function(socket) {
 	socket.on('slidechanged', function(slideData) {
+		if (typeof slideData.secret == 'undefined' || slideData.secret == null || slideData.secret === '') return;
 		if (createHash(slideData.secret) === slideData.socketId) {
 			slideData.secret = null;
 			socket.broadcast.emit(slideData.socketId, slideData);