fixes some traceback when doing filetransfer. Fixes #1205

src/chat_control.py

@@ -3194,7 +3194,7 @@ class ChatControl(ChatControlBase):
         Show an InfoBar on top of control
         """
         markup = '<b>%s:</b> %s' % (_('File transfer'), file_props['name'])
-        if file_props['desc']:
+        if 'desc' in file_props and file_props['desc']:
             markup += ' (%s)' % file_props['desc']
         markup += '\n%s: %s' % (_('Size'), helpers.convert_bytes(
             file_props['size']))
@@ -3223,7 +3223,7 @@ class ChatControl(ChatControlBase):
     def _got_file_completed(self, file_props):
         markup = '<b>%s:</b> %s' % (_('File transfer completed'),
             file_props['name'])
-        if file_props['desc']:
+        if 'desc' in file_props and file_props['desc']:
             markup += ' (%s)' % file_props['desc']
         b1 = gtk.Button(_('_Open Containing Folder'))
         b1.connect('clicked', self._on_open_ft_folder, file_props)

src/common/protocol/bytestream.py

@@ -620,6 +620,10 @@ class ConnectionSocks5Bytestream(ConnectionBytestream):
                             self.send_success_connect_reply, None)
                 raise xmpp.NodeProcessed
 
+        if file_props is None:
+            log.warn('Gajim got streamhosts for unknown transfer. Ignoring it.')
+            raise xmpp.NodeProcessed
+
         file_props['streamhosts'] = streamhosts
         if file_props['type'] == 'r':
             gajim.socks5queue.connect_to_hosts(self.name, sid,