basexmpp: Make origin-id opt-out

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>

slixmpp/basexmpp.py

@@ -111,6 +111,9 @@ class BaseXMPP(XMLStream):
         #: outgoing messages an ID.
         self.use_presence_ids = True
 
+        #: XEP-0359 <origin-id/> tag that gets added to <message/> stanzas.
+        self.use_origin_id = True
+
         #: The API registry is a way to process callbacks based on
         #: JID+node combinations. Each callback in the registry is
         #: marked with:

slixmpp/stanza/message.py

@@ -96,6 +96,9 @@ class Message(RootStanza):
 
         self.xml.attrib['id'] = value
 
+        if not self.stream.use_origin_id:
+            return None
+
         sub = self.xml.find(ORIGIN_NAME)
         if sub is not None:
             sub.attrib['id'] = value