3 files changed, 116 insertions, 0 deletions
diff --git a/slixmpp/plugins/xep_0297/__init__.py b/slixmpp/plugins/xep_0297/__init__.py
new file mode 100644
index 00000000..8d7adb63
--- /dev/null
+++ b/slixmpp/plugins/xep_0297/__init__.py
@@ -0,0 +1,16 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.plugins.base import register_plugin
+
+from slixmpp.plugins.xep_0297 import stanza
+from slixmpp.plugins.xep_0297.stanza import Forwarded
+from slixmpp.plugins.xep_0297.forwarded import XEP_0297
+
+
+register_plugin(XEP_0297)
diff --git a/slixmpp/plugins/xep_0297/forwarded.py b/slixmpp/plugins/xep_0297/forwarded.py
new file mode 100644
index 00000000..7c40bf30
--- /dev/null
+++ b/slixmpp/plugins/xep_0297/forwarded.py
@@ -0,0 +1,64 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+
+import logging
+
+from slixmpp import Iq, Message, Presence
+from slixmpp.plugins import BasePlugin
+from slixmpp.xmlstream import register_stanza_plugin
+from slixmpp.xmlstream.handler import Callback
+from slixmpp.xmlstream.matcher import StanzaPath
+from slixmpp.plugins.xep_0297 import stanza, Forwarded
+
+
+class XEP_0297(BasePlugin):
+
+    name = 'xep_0297'
+    description = 'XEP-0297: Stanza Forwarding'
+    dependencies = set(['xep_0030', 'xep_0203'])
+    stanza = stanza
+
+    def plugin_init(self):
+        register_stanza_plugin(Message, Forwarded)
+
+        # While these are marked as iterable, that is just for
+        # making it easier to extract the forwarded stanza. There
+        # still can be only a single forwarded stanza.
+        register_stanza_plugin(Forwarded, Message, iterable=True)
+        register_stanza_plugin(Forwarded, Presence, iterable=True)
+        register_stanza_plugin(Forwarded, Iq, iterable=True)
+
+        register_stanza_plugin(Forwarded, self.xmpp['xep_0203'].stanza.Delay)
+
+        self.xmpp.register_handler(
+            Callback('Forwarded Stanza',
+                StanzaPath('message/forwarded'),
+                self._handle_forwarded))
+
+    def session_bind(self, jid):
+        self.xmpp['xep_0030'].add_feature('urn:xmpp:forward:0')
+
+    def plugin_end(self):
+        self.xmpp['xep_0030'].del_feature(feature='urn:xmpp:forward:0')
+        self.xmpp.remove_handler('Forwarded Stanza')
+
+    def forward(self, stanza=None, mto=None, mbody=None, mfrom=None, delay=None):
+        stanza.stream = None
+
+        msg = self.xmpp.Message()
+        msg['to'] = mto
+        msg['from'] = mfrom
+        msg['body'] = mbody
+        msg['forwarded']['stanza'] = stanza
+        if delay is not None:
+            msg['forwarded']['delay']['stamp'] = delay
+        msg.send()
+
+    def _handle_forwarded(self, msg):
+        self.xmpp.event('forwarded_stanza', msg)
diff --git a/slixmpp/plugins/xep_0297/stanza.py b/slixmpp/plugins/xep_0297/stanza.py
new file mode 100644
index 00000000..233ad4f6
--- /dev/null
+++ b/slixmpp/plugins/xep_0297/stanza.py
@@ -0,0 +1,36 @@
+"""
+    Slixmpp: The Slick XMPP Library
+    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
+    This file is part of Slixmpp.
+
+    See the file LICENSE for copying permission.
+"""
+
+from slixmpp.stanza import Message, Presence, Iq
+from slixmpp.xmlstream import ElementBase
+
+
+class Forwarded(ElementBase):
+    name = 'forwarded'
+    namespace = 'urn:xmpp:forward:0'
+    plugin_attrib = 'forwarded'
+    interfaces = set(['stanza'])
+
+    def get_stanza(self):
+        for stanza in self:
+            if isinstance(stanza, (Message, Presence, Iq)):
+                return stanza
+        return ''
+
+    def set_stanza(self, value):
+        self.del_stanza()
+        self.append(value)
+
+    def del_stanza(self):
+        found_stanzas = []
+        for stanza in self:
+            if isinstance(stanza, (Message, Presence, Iq)):
+                found_stanzas.append(stanza)
+        for stanza in found_stanzas:
+            self.iterables.remove(stanza)
+            self.xml.remove(stanza.xml)