1 files changed, 149 insertions, 0 deletions
diff --git a/slixmpp/plugins/xep_0045/stanza.py b/slixmpp/plugins/xep_0045/stanza.py
new file mode 100644
index 00000000..2db83baf
--- /dev/null
+++ b/slixmpp/plugins/xep_0045/stanza.py
@@ -0,0 +1,149 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2010 Nathanael C. Fritz
+    Copyright (C) 2020 "Maxime “pep” Buquet <pep@bouah.net>"
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+import logging
+from slixmpp.xmlstream import ElementBase, ET, JID
+
+
+log = logging.getLogger(__name__)
+
+NS = 'http://jabber.org/protocol/muc'
+NS_USER = 'http://jabber.org/protocol/muc#user'
+NS_ADMIN = 'http://jabber.org/protocol/muc#admin'
+NS_OWNER = 'http://jabber.org/protocol/muc#owner'
+
+
+class MUCBase(ElementBase):
+    name = 'x'
+    namespace = NS_USER
+    plugin_attrib = 'muc'
+    interfaces = {'affiliation', 'role', 'jid', 'nick', 'room'}
+
+    def get_item_attr(self, attr, default: str):
+        item = self.xml.find(f'{{{NS_USER}}}item')
+        if item is None:
+            return default
+        return item.get(attr)
+
+    def set_item_attr(self, attr, value: str):
+        item = self.xml.find(f'{{{NS_USER}}}item')
+        if item is None:
+            item = ET.Element(f'{{{NS_USER}}}item')
+            self.xml.append(item)
+        item.attrib[attr] = value
+        return item
+
+    def del_item_attr(self, attr):
+        item = self.xml.find(f'{{{NS_USER}}}item')
+        if item is not None and attr in item.attrib:
+            del item.attrib[attr]
+
+    def get_affiliation(self):
+        return self.get_item_attr('affiliation', '')
+
+    def set_affiliation(self, value):
+        self.set_item_attr('affiliation', value)
+        return self
+
+    def del_affiliation(self):
+        # TODO: set default affiliation
+        self.del_item_attr('affiliation')
+        return self
+
+    def get_jid(self):
+        return JID(self.get_item_attr('jid', ''))
+
+    def set_jid(self, value):
+        if not isinstance(value, str):
+            value = str(value)
+        self.set_item_attr('jid', value)
+        return self
+
+    def del_jid(self):
+        self.del_item_attr('jid')
+        return self
+
+    def get_role(self):
+        return self.get_item_attr('role', '')
+
+    def set_role(self, value):
+        # TODO: check for valid role
+        self.set_item_attr('role', value)
+        return self
+
+    def del_role(self):
+        # TODO: set default role
+        self.del_item_attr('role')
+        return self
+
+    def get_nick(self):
+        return self.parent()['from'].resource
+
+    def get_room(self):
+        return self.parent()['from'].bare
+
+    def set_nick(self, value):
+        log.warning(
+            "Cannot set nick through the %s plugin.",
+            self.__class__.__name__,
+        )
+        return self
+
+    def set_room(self, value):
+        log.warning(
+            "Cannot set room through the %s plugin.",
+            self.__class__.__name__,
+        )
+        return self
+
+    def del_nick(self):
+        log.warning(
+            "Cannot delete nick through the %s plugin.",
+            self.__class__.__name__,
+        )
+        return self
+
+    def del_room(self):
+        log.warning(
+            "Cannot delete room through the %s plugin.",
+            self.__class__.__name__,
+        )
+        return self
+
+
+class MUCPresence(MUCBase):
+    '''
+    A MUC Presence
+
+    <presence from='foo@muc/user1' type='unavailable'>
+        <x xmlns='http://jabber.org/protocol/muc#user'>
+            <item affiliation='none'
+                  role='none'
+                  nick='newnick2'
+                  jid='some@jid'/>
+            <status code='303'/>
+        </x>
+    </presence>
+    '''
+
+
+class MUCMessage(MUCBase):
+    '''
+    A MUC Message
+
+    <message from='foo@muc/user1' type='groupchat' id='someid'>
+        <body>Foo</body>
+        <x xmlns='http://jabber.org/protocol/muc#user'>
+            <item affiliation='none'
+                  role='none'
+                  nick='newnick2'
+                  jid='some@jid'/>
+        </x>
+    </message>
+    '''