From bdc12c00c6e4e7fc6a748133719c863d8183c81b Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Mon, 23 Nov 2020 21:12:08 +0100
Subject: XEP-0405: MIX-PAM

---
 slixmpp/plugins/xep_0405/__init__.py | 13 ++++++
 slixmpp/plugins/xep_0405/mix_pam.py  | 88 ++++++++++++++++++++++++++++++++++++
 slixmpp/plugins/xep_0405/stanza.py   | 43 ++++++++++++++++++
 3 files changed, 144 insertions(+)
 create mode 100644 slixmpp/plugins/xep_0405/__init__.py
 create mode 100644 slixmpp/plugins/xep_0405/mix_pam.py
 create mode 100644 slixmpp/plugins/xep_0405/stanza.py

(limited to 'slixmpp/plugins/xep_0405')

diff --git a/slixmpp/plugins/xep_0405/__init__.py b/slixmpp/plugins/xep_0405/__init__.py
new file mode 100644
index 00000000..0a877682
--- /dev/null
+++ b/slixmpp/plugins/xep_0405/__init__.py
@@ -0,0 +1,13 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.plugins.base import register_plugin
+from slixmpp.plugins.xep_0405.stanza import *
+from slixmpp.plugins.xep_0405.mix_pam import XEP_0405
+
+register_plugin(XEP_0405)
diff --git a/slixmpp/plugins/xep_0405/mix_pam.py b/slixmpp/plugins/xep_0405/mix_pam.py
new file mode 100644
index 00000000..cff22b51
--- /dev/null
+++ b/slixmpp/plugins/xep_0405/mix_pam.py
@@ -0,0 +1,88 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+from typing import (
+    Optional,
+    Set,
+)
+
+from slixmpp import JID, Iq
+from slixmpp.exceptions import IqError, IqTimeout
+from slixmpp.plugins import BasePlugin
+from slixmpp.plugins.xep_0405 import stanza
+from slixmpp.plugins.xep_0369 import stanza as mix_stanza
+
+
+BASE_NODES = [
+    'urn:xmpp:mix:nodes:messages',
+    'urn:xmpp:mix:nodes:participants',
+    'urn:xmpp:mix:nodes:info',
+]
+
+
+class XEP_0405(BasePlugin):
+    '''XEP-0405: MIX-PAM'''
+
+    name = 'xep_0405'
+    description = 'MIX-PAM'
+    dependencies = {'xep_0369'}
+    stanza = stanza
+    namespace = stanza.NS
+
+    def plugin_init(self) -> None:
+        stanza.register_plugins()
+
+    async def check_server_capability(self) -> bool:
+        """Check if the server is MIX-PAM capable"""
+        result = await self.xmpp.plugin['xep_0030'].get_info(jid=self.xmpp.boundjid.bare)
+        features = result['disco_info']['features']
+        return stanza.NS in features
+
+    async def join_channel(self, room: JID, nick: str, subscribe: Optional[Set[str]] = None, *,
+                           ito: Optional[JID] = None,
+                           ifrom: Optional[JID] = None,
+                           **iqkwargs) -> Set[str]:
+        """
+        Join a MIX channel.
+
+        :param JID room: JID of the MIX channel
+        :param str nick: Desired nickname on that channel
+        :param Set[str] subscribe: Set of nodes to subscribe to when joining.
+            If empty, all nodes will be subscribed by default.
+
+        :rtype: Set[str]
+        :return: The nodes that failed to subscribe, if any
+        """
+        if subscribe is None:
+            subscribe = set(BASE_NODES)
+        if ito is None:
+            ito = self.xmpp.boundjid.bare
+        iq = self.xmpp.make_iq_set(ito=ito, ifrom=ifrom)
+        iq['client_join']['channel'] = room
+        iq['client_join']['mix_join']['nick'] = nick
+        for node in subscribe:
+            sub = mix_stanza.Subscribe()
+            sub['node'] = node
+            iq['client_join']['mix_join'].append(sub)
+        result = await iq.send(**iqkwargs)
+        result_nodes = {sub['node'] for sub in result['client_join']['mix_join']}
+        return result_nodes.difference(subscribe)
+
+    async def leave_channel(self, room: JID, *,
+                            ito: Optional[JID] = None,
+                            ifrom: Optional[JID] = None,
+                            **iqkwargs) -> Iq:
+        """"
+        Leave a MIX channel
+        :param JID room: JID of the channel to leave
+        """
+        if ito is None:
+            ito = self.xmpp.boundjid.bare
+        iq = self.xmpp.make_iq_set(ito=ito, ifrom=ifrom)
+        iq['client_leave']['channel'] = room
+        iq['client_leave'].enable('mix_leave')
+        return await iq.send(**iqkwargs)
diff --git a/slixmpp/plugins/xep_0405/stanza.py b/slixmpp/plugins/xep_0405/stanza.py
new file mode 100644
index 00000000..fe221bd6
--- /dev/null
+++ b/slixmpp/plugins/xep_0405/stanza.py
@@ -0,0 +1,43 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permissio
+"""
+
+from slixmpp import JID
+from slixmpp.stanza import Iq
+from slixmpp.xmlstream import (
+    ElementBase,
+    register_stanza_plugin,
+)
+
+from slixmpp.plugins.xep_0369.stanza import (
+    Join,
+    Leave,
+)
+
+NS = 'urn:xmpp:mix:pam:2'
+
+
+class ClientJoin(ElementBase):
+    namespace = NS
+    name = 'client-join'
+    plugin_attrib = 'client_join'
+    interfaces = {'channel'}
+
+
+class ClientLeave(ElementBase):
+    namespace = NS
+    name = 'client-leave'
+    plugin_attrib = 'client_leave'
+    interfaces = {'channel'}
+
+
+def register_plugins():
+    register_stanza_plugin(Iq, ClientJoin)
+    register_stanza_plugin(ClientJoin, Join)
+
+    register_stanza_plugin(Iq, ClientLeave)
+    register_stanza_plugin(ClientLeave, Leave)
-- 
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