--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sat_pubsub/remote_roster.py	Sun May 27 15:36:06 2012 +0200
@@ -0,0 +1,97 @@
+#!/usr/bin/python
+#-*- coding: utf-8 -*-
+#
+"""
+Copyright (c) 2003-2011 Ralph Meijer
+Copyright (c) 2012 Jérôme Poisson
+
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+--
+
+This program is based on Idavoll (http://idavoll.ik.nu/),
+originaly written by Ralph Meijer (http://ralphm.net/blog/)
+It is sublicensed under AGPL v3 (or any later version) as allowed by the original
+license.
+
+--
+
+Here is a copy of the original license:
+
+Copyright (c) 2003-2011 Ralph Meijer
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+"""
+
+"""
+Remote roster client.
+
+This module access roster throught a hacked version of
+remote roster management http://jkaluza.fedorapeople.org/remote-roster.html
+"""
+
+from wokkel import xmppim
+from wokkel.compat import IQ
+from twisted.words.xish import domish
+
+NS_ROSTER = 'jabber:iq:roster'
+
+class RosterClient(xmppim.RosterClientProtocol):
+    """Similar to classic RosterClient, but we can get any jid managed by the host server"""
+    #FIXME: need to manage updates, and database sync
+    #TODO: cache
+
+    def getRoster(self, to_jid):
+        """
+        Retrieve contact list.
+
+        @return: Roster as a mapping from L{JID} to L{RosterItem}.
+        @rtype: L{twisted.internet.defer.Deferred}
+        """
+
+        def processRoster(result):
+            roster = {}
+            for element in domish.generateElementsQNamed(result.query.children,
+                                                         'item', NS_ROSTER):
+                item = self._parseRosterItem(element)
+                roster[item.jid.userhost()] = item
+
+            return roster
+
+        iq = IQ(self.xmlstream, 'get')
+        iq.addElement((NS_ROSTER, 'query'))
+        iq["to"] = to_jid.userhost()
+        d = iq.send()
+        d.addCallback(processRoster)
+        return d
+
+