From: David Banham <david@banham.id.au>
Date: Sun, 10 Mar 2013 22:15:11 +0000 (+1100)
Subject: Error check to prevent exception from Cipher
X-Git-Tag: 2.4.0~70^2~1
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=ccaadaad45348cda17da6c11adf301ed3b22ca25;p=reveal.js.git

Error check to prevent exception from Cipher
---

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);