From c8c2866087bcac8ce93a571afbd8c2fa5d22a8de Mon Sep 17 00:00:00 2001
From: webzwo0i <webzwo0i@c3d2.de>
Date: Thu, 20 Feb 2014 16:33:42 +0100
Subject: [PATCH] fix crash if disconnect happens for sessions that have
 messages queued

---
 src/node/handler/PadMessageHandler.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/node/handler/PadMessageHandler.js b/src/node/handler/PadMessageHandler.js
index 774ebf08..75271021 100644
--- a/src/node/handler/PadMessageHandler.js
+++ b/src/node/handler/PadMessageHandler.js
@@ -588,6 +588,14 @@ function handleUserChanges(data, cb)
     messageLogger.warn("Dropped message, USER_CHANGES Message has no changeset!");
     return cb();
   }
+  //TODO: this might happen with other messages too => find one place to copy the session 
+  //and always use the copy. atm a message will be ignored if the session is gone even 
+  //if the session was valid when the message arrived in the first place
+  if(!sessioninfos[client.id])
+  {
+    messageLogger.warn("Dropped message, disconnect happened in the mean time");
+    return cb();
+  }
 
   //get all Vars we need
   var baseRev = message.data.baseRev;