From 41dea80d94e319b0df14d5a271ddb2cc06b56876 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Wed, 2 Dec 2020 20:25:50 +0100
Subject: [PATCH] XEP-0425: Message Moderation

---
 slixmpp/plugins/__init__.py            |  1 +
 slixmpp/plugins/xep_0425/__init__.py   | 13 ++++++++
 slixmpp/plugins/xep_0425/moderation.py | 39 ++++++++++++++++++++++
 slixmpp/plugins/xep_0425/stanza.py     | 46 ++++++++++++++++++++++++++
 4 files changed, 99 insertions(+)
 create mode 100644 slixmpp/plugins/xep_0425/__init__.py
 create mode 100644 slixmpp/plugins/xep_0425/moderation.py
 create mode 100644 slixmpp/plugins/xep_0425/stanza.py

diff --git a/slixmpp/plugins/__init__.py b/slixmpp/plugins/__init__.py
index 61e7a995..2b02c9e3 100644
--- a/slixmpp/plugins/__init__.py
+++ b/slixmpp/plugins/__init__.py
@@ -96,6 +96,7 @@ __all__ = [
     'xep_0421',  # Anonymous unique occupant identifiers for MUCs
     'xep_0422',  # Message Fastening
     'xep_0424',  # Message Retraction
+    'xep_0425',  # Message Moderation
     'xep_0428',  # Message Fallback
     'xep_0444',  # Message Reactions
 ]
diff --git a/slixmpp/plugins/xep_0425/__init__.py b/slixmpp/plugins/xep_0425/__init__.py
new file mode 100644
index 00000000..2effe361
--- /dev/null
+++ b/slixmpp/plugins/xep_0425/__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_0425.stanza import *
+from slixmpp.plugins.xep_0425.moderation import XEP_0425
+
+register_plugin(XEP_0425)
diff --git a/slixmpp/plugins/xep_0425/moderation.py b/slixmpp/plugins/xep_0425/moderation.py
new file mode 100644
index 00000000..e840d80d
--- /dev/null
+++ b/slixmpp/plugins/xep_0425/moderation.py
@@ -0,0 +1,39 @@
+"""
+    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
+
+from slixmpp import JID, Message
+from slixmpp.exceptions import IqError, IqTimeout
+from slixmpp.plugins import BasePlugin
+from slixmpp.plugins.xep_0425 import stanza
+
+
+class XEP_0425(BasePlugin):
+    '''XEP-0425: Message Moderation'''
+
+    name = 'xep_0425'
+    description = 'Message Moderation'
+    dependencies = {'xep_0424', 'xep_0421'}
+    stanza = stanza
+    namespace = stanza.NS
+
+    def plugin_init(self) -> None:
+        stanza.register_plugins()
+
+    def session_bind(self, jid):
+        self.xmpp.plugin['xep_0030'].add_feature(feature=stanza.NS)
+
+    def plugin_end(self):
+        self.xmpp.plugin['xep_0030'].del_feature(feature=stanza.NS)
+
+    async def moderate(self, room: JID, id: str, reason: str = '', *,
+                       ifrom: Optional[JID] = None, **iqkwargs):
+        iq = self.xmpp.make_iq_set(ito=room.bare, ifrom=ifrom)
+        iq['apply_to']['id'] = id
+        iq['apply_to']['moderate']['reason'] = reason
+        await iq.send(**iqkwargs)
diff --git a/slixmpp/plugins/xep_0425/stanza.py b/slixmpp/plugins/xep_0425/stanza.py
new file mode 100644
index 00000000..9b756953
--- /dev/null
+++ b/slixmpp/plugins/xep_0425/stanza.py
@@ -0,0 +1,46 @@
+"""
+    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.stanza import Message, Iq
+from slixmpp.xmlstream import (
+    ElementBase,
+    register_stanza_plugin,
+)
+from slixmpp.plugins.xep_0422.stanza import ApplyTo
+from slixmpp.plugins.xep_0421.stanza import OccupantId
+from slixmpp.plugins.xep_0424.stanza import Retract, Retracted
+
+
+NS = 'urn:xmpp:message-moderate:0'
+
+
+class Moderate(ElementBase):
+    namespace = NS
+    name = 'moderate'
+    plugin_attrib = 'moderate'
+    interfaces = {'reason'}
+    sub_interfaces = {'reason'}
+
+
+class Moderated(ElementBase):
+    namespace = NS
+    name = 'moderated'
+    plugin_attrib = 'moderated'
+    interfaces = {'reason', 'by'}
+    sub_interfaces = {'reason'}
+
+
+def register_plugins():
+    register_stanza_plugin(Iq, ApplyTo)
+    register_stanza_plugin(ApplyTo, Moderate)
+    register_stanza_plugin(Moderate, Retract)
+
+    register_stanza_plugin(Message, Moderated)
+    register_stanza_plugin(ApplyTo, Moderated)
+    register_stanza_plugin(Moderated, Retracted)
+    register_stanza_plugin(Moderated, OccupantId)