1 files changed, 31 insertions, 0 deletions
diff --git a/slixmpp/plugins/xep_0421/occupant_id.py b/slixmpp/plugins/xep_0421/occupant_id.py
new file mode 100644
index 00000000..116bf2d9
--- /dev/null
+++ b/slixmpp/plugins/xep_0421/occupant_id.py
@@ -0,0 +1,31 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 "Maxime “pep” Buquet <pep@bouah.net>"
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp import JID, Message
+from slixmpp.plugins import BasePlugin
+from slixmpp.xmlstream import register_stanza_plugin
+from slixmpp.plugins.xep_0421 import stanza
+from slixmpp.plugins.xep_0421.stanza import OccupantId
+
+
+class XEP_0421(BasePlugin):
+    '''XEP-0421: Anonymous unique occupant identifiers for MUCs'''
+
+    name = 'xep_0421'
+    description = 'Anonymous unique occupant identifiers for MUCs'
+    dependencies = {'xep_0030', 'xep_0045'}
+    stanza = stanza
+    namespace = stanza.NS
+
+    def plugin_init(self) -> None:
+        # XXX: This should be MucMessage. Someday..
+        register_stanza_plugin(Message, OccupantId)
+
+    async def has_feature(self, jid: JID) -> bool:
+        info = await self.xmpp['xep_0030'].get_info(jid)
+        return self.namespace in info.get_features()