(fix) handle correctly files being uploaded that are bigger than limit

UI/Contacts/UIxContactFolderActions.m

@@ -111,7 +111,17 @@
 
   request = [context request];
   rc = [NSMutableDictionary dictionary];
-  data = [[[[[request httpRequest] body] parts] lastObject] body];
+  data = [[request httpRequest] body];
+
+  // We got an exception, that means the file upload limit
+  // has been reached.
+  if ([data isKindOfClass: [NSException class]])
+    {
+      response = [self responseWithStatus: 507];
+      return response;
+    }
+
+  data = [[[data parts] lastObject] body];
 
   fileContent = [[NSString alloc] initWithData: (NSData *) data 
                                       encoding: NSUTF8StringEncoding];

UI/Scheduler/UIxCalFolderActions.m

@@ -77,7 +77,17 @@
   rc = [NSMutableDictionary dictionary];
   request = [context request];
   folder = [self clientObject];
-  data = [[[[[request httpRequest] body] parts] lastObject] body];
+  data = [[request httpRequest] body];
+
+  // We got an exception, that means the file upload limit
+  // has been reached.
+  if ([data isKindOfClass: [NSException class]])
+    {
+      response = [self responseWithStatus: 507];
+      return response;
+    }
+
+  data = [[[data parts] lastObject] body];
 
   fileContent = [[NSString alloc] initWithData: (NSData *) data 
                                       encoding: NSUTF8StringEncoding];