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authorLance Stout <lancestout@gmail.com>2010-12-16 16:18:49 -0500
committerLance Stout <lancestout@gmail.com>2010-12-16 16:18:49 -0500
commit988a90a17644a943704811ac6cd28e27fcc00066 (patch)
treecc5f268e9fee68654dbb8c6b1e38a37f780a79d7 /sleekxmpp
parent67775fb8bdd806517864354564cb30aa0a6b4d66 (diff)
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Added MUC invite handler to XEP-0045 plugin.
Originally contributed by damium/romeira, with some modifications. Also, converted tabs to spaces to prepare for future cleanup.
Diffstat (limited to 'sleekxmpp')
-rw-r--r--sleekxmpp/plugins/xep_0045.py648
1 files changed, 328 insertions, 320 deletions
diff --git a/sleekxmpp/plugins/xep_0045.py b/sleekxmpp/plugins/xep_0045.py
index e7f8c7ec..d5fbf003 100644
--- a/sleekxmpp/plugins/xep_0045.py
+++ b/sleekxmpp/plugins/xep_0045.py
@@ -20,325 +20,333 @@ log = logging.getLogger(__name__)
class MUCPresence(ElementBase):
- name = 'x'
- namespace = 'http://jabber.org/protocol/muc#user'
- plugin_attrib = 'muc'
- interfaces = set(('affiliation', 'role', 'jid', 'nick', 'room'))
- affiliations = set(('', ))
- roles = set(('', ))
-
- def getXMLItem(self):
- item = self.xml.find('{http://jabber.org/protocol/muc#user}item')
- if item is None:
- item = ET.Element('{http://jabber.org/protocol/muc#user}item')
- self.xml.append(item)
- return item
-
- def getAffiliation(self):
- #TODO if no affilation, set it to the default and return default
- item = self.getXMLItem()
- return item.get('affiliation', '')
-
- def setAffiliation(self, value):
- item = self.getXMLItem()
- #TODO check for valid affiliation
- item.attrib['affiliation'] = value
- return self
-
- def delAffiliation(self):
- item = self.getXMLItem()
- #TODO set default affiliation
- if 'affiliation' in item.attrib: del item.attrib['affiliation']
- return self
-
- def getJid(self):
- item = self.getXMLItem()
- return JID(item.get('jid', ''))
-
- def setJid(self, value):
- item = self.getXMLItem()
- if not isinstance(value, str):
- value = str(value)
- item.attrib['jid'] = value
- return self
-
- def delJid(self):
- item = self.getXMLItem()
- if 'jid' in item.attrib: del item.attrib['jid']
- return self
-
- def getRole(self):
- item = self.getXMLItem()
- #TODO get default role, set default role if none
- return item.get('role', '')
-
- def setRole(self, value):
- item = self.getXMLItem()
- #TODO check for valid role
- item.attrib['role'] = value
- return self
-
- def delRole(self):
- item = self.getXMLItem()
- #TODO set default role
- if 'role' in item.attrib: del item.attrib['role']
- return self
-
- def getNick(self):
- return self.parent()['from'].resource
-
- def getRoom(self):
- return self.parent()['from'].bare
-
- def setNick(self, value):
- log.warning("Cannot set nick through mucpresence plugin.")
- return self
-
- def setRoom(self, value):
- log.warning("Cannot set room through mucpresence plugin.")
- return self
-
- def delNick(self):
- log.warning("Cannot delete nick through mucpresence plugin.")
- return self
-
- def delRoom(self):
- log.warning("Cannot delete room through mucpresence plugin.")
- return self
+ name = 'x'
+ namespace = 'http://jabber.org/protocol/muc#user'
+ plugin_attrib = 'muc'
+ interfaces = set(('affiliation', 'role', 'jid', 'nick', 'room'))
+ affiliations = set(('', ))
+ roles = set(('', ))
+
+ def getXMLItem(self):
+ item = self.xml.find('{http://jabber.org/protocol/muc#user}item')
+ if item is None:
+ item = ET.Element('{http://jabber.org/protocol/muc#user}item')
+ self.xml.append(item)
+ return item
+
+ def getAffiliation(self):
+ #TODO if no affilation, set it to the default and return default
+ item = self.getXMLItem()
+ return item.get('affiliation', '')
+
+ def setAffiliation(self, value):
+ item = self.getXMLItem()
+ #TODO check for valid affiliation
+ item.attrib['affiliation'] = value
+ return self
+
+ def delAffiliation(self):
+ item = self.getXMLItem()
+ #TODO set default affiliation
+ if 'affiliation' in item.attrib: del item.attrib['affiliation']
+ return self
+
+ def getJid(self):
+ item = self.getXMLItem()
+ return JID(item.get('jid', ''))
+
+ def setJid(self, value):
+ item = self.getXMLItem()
+ if not isinstance(value, str):
+ value = str(value)
+ item.attrib['jid'] = value
+ return self
+
+ def delJid(self):
+ item = self.getXMLItem()
+ if 'jid' in item.attrib: del item.attrib['jid']
+ return self
+
+ def getRole(self):
+ item = self.getXMLItem()
+ #TODO get default role, set default role if none
+ return item.get('role', '')
+
+ def setRole(self, value):
+ item = self.getXMLItem()
+ #TODO check for valid role
+ item.attrib['role'] = value
+ return self
+
+ def delRole(self):
+ item = self.getXMLItem()
+ #TODO set default role
+ if 'role' in item.attrib: del item.attrib['role']
+ return self
+
+ def getNick(self):
+ return self.parent()['from'].resource
+
+ def getRoom(self):
+ return self.parent()['from'].bare
+
+ def setNick(self, value):
+ log.warning("Cannot set nick through mucpresence plugin.")
+ return self
+
+ def setRoom(self, value):
+ log.warning("Cannot set room through mucpresence plugin.")
+ return self
+
+ def delNick(self):
+ log.warning("Cannot delete nick through mucpresence plugin.")
+ return self
+
+ def delRoom(self):
+ log.warning("Cannot delete room through mucpresence plugin.")
+ return self
class xep_0045(base.base_plugin):
- """
- Impliments XEP-0045 Multi User Chat
- """
-
- def plugin_init(self):
- self.rooms = {}
- self.ourNicks = {}
- self.xep = '0045'
- self.description = 'Multi User Chat'
- # load MUC support in presence stanzas
- registerStanzaPlugin(Presence, MUCPresence)
- self.xmpp.registerHandler(Callback('MUCPresence', MatchXMLMask("<presence xmlns='%s' />" % self.xmpp.default_ns), self.handle_groupchat_presence))
- self.xmpp.registerHandler(Callback('MUCMessage', MatchXMLMask("<message xmlns='%s' type='groupchat'><body/></message>" % self.xmpp.default_ns), self.handle_groupchat_message))
- self.xmpp.registerHandler(Callback('MUCSubject', MatchXMLMask("<message xmlns='%s' type='groupchat'><subject/></message>" % self.xmpp.default_ns), self.handle_groupchat_subject))
-
- def handle_groupchat_presence(self, pr):
- """ Handle a presence in a muc.
- """
- got_offline = False
- got_online = False
- if pr['muc']['room'] not in self.rooms.keys():
- return
- entry = pr['muc'].getStanzaValues()
- entry['show'] = pr['show']
- entry['status'] = pr['status']
- if pr['type'] == 'unavailable':
- if entry['nick'] in self.rooms[entry['room']]:
- del self.rooms[entry['room']][entry['nick']]
- got_offline = True
- else:
- if entry['nick'] not in self.rooms[entry['room']]:
- got_online = True
- self.rooms[entry['room']][entry['nick']] = entry
- log.debug("MUC presence from %s/%s : %s" % (entry['room'],entry['nick'], entry))
- self.xmpp.event("groupchat_presence", pr)
- self.xmpp.event("muc::%s::presence" % entry['room'], pr)
- if got_offline:
- self.xmpp.event("muc::%s::got_offline" % entry['room'], pr)
- if got_online:
- self.xmpp.event("muc::%s::got_online" % entry['room'], pr)
-
- def handle_groupchat_message(self, msg):
- """ Handle a message event in a muc.
- """
- self.xmpp.event('groupchat_message', msg)
- self.xmpp.event("muc::%s::message" % msg['from'].bare, msg)
-
- def handle_groupchat_subject(self, msg):
- """ Handle a message coming from a muc indicating
- a change of subject (or announcing it when joining the room)
- """
- self.xmpp.event('groupchat_subject', msg)
-
- def jidInRoom(self, room, jid):
- for nick in self.rooms[room]:
- entry = self.rooms[room][nick]
- if entry is not None and entry['jid'].full == jid:
- return True
- return False
-
- def getNick(self, room, jid):
- for nick in self.rooms[room]:
- entry = self.rooms[room][nick]
- if entry is not None and entry['jid'].full == jid:
- return nick
-
- def getRoomForm(self, room, ifrom=None):
- iq = self.xmpp.makeIqGet()
- iq['to'] = room
- if ifrom is not None:
- iq['from'] = ifrom
- query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
- iq.append(query)
- result = iq.send()
- if result['type'] == 'error':
- return False
- xform = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
- if xform is None: return False
- form = self.xmpp.plugin['old_0004'].buildForm(xform)
- return form
-
- def configureRoom(self, room, form=None, ifrom=None):
- if form is None:
- form = self.getRoomForm(room, ifrom=ifrom)
- #form = self.xmpp.plugin['old_0004'].makeForm(ftype='submit')
- #form.addField('FORM_TYPE', value='http://jabber.org/protocol/muc#roomconfig')
- iq = self.xmpp.makeIqSet()
- iq['to'] = room
- if ifrom is not None:
- iq['from'] = ifrom
- query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
- form = form.getXML('submit')
- query.append(form)
- iq.append(query)
- result = iq.send()
- if result['type'] == 'error':
- return False
- return True
-
- def joinMUC(self, room, nick, maxhistory="0", password='', wait=False, pstatus=None, pshow=None):
- """ Join the specified room, requesting 'maxhistory' lines of history.
- """
- stanza = self.xmpp.makePresence(pto="%s/%s" % (room, nick), pstatus=pstatus, pshow=pshow)
- x = ET.Element('{http://jabber.org/protocol/muc}x')
- if password:
- passelement = ET.Element('password')
- passelement.text = password
- x.append(passelement)
- if maxhistory:
- history = ET.Element('history')
- if maxhistory == "0":
- history.attrib['maxchars'] = maxhistory
- else:
- history.attrib['maxstanzas'] = maxhistory
- x.append(history)
- stanza.append(x)
- if not wait:
- self.xmpp.send(stanza)
- else:
- #wait for our own room presence back
- expect = ET.Element("{%s}presence" % self.xmpp.default_ns, {'from':"%s/%s" % (room, nick)})
- self.xmpp.send(stanza, expect)
- self.rooms[room] = {}
- self.ourNicks[room] = nick
-
- def destroy(self, room, reason='', altroom = '', ifrom=None):
- iq = self.xmpp.makeIqSet()
- if ifrom is not None:
- iq['from'] = ifrom
- iq['to'] = room
- query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
- destroy = ET.Element('destroy')
- if altroom:
- destroy.attrib['jid'] = altroom
- xreason = ET.Element('reason')
- xreason.text = reason
- destroy.append(xreason)
- query.append(destroy)
- iq.append(query)
- r = iq.send()
- if r is False or r['type'] == 'error':
- return False
- return True
-
- def setAffiliation(self, room, jid=None, nick=None, affiliation='member'):
- """ Change room affiliation."""
- if affiliation not in ('outcast', 'member', 'admin', 'owner', 'none'):
- raise TypeError
- query = ET.Element('{http://jabber.org/protocol/muc#admin}query')
- if nick is not None:
- item = ET.Element('item', {'affiliation':affiliation, 'nick':nick})
- else:
- item = ET.Element('item', {'affiliation':affiliation, 'jid':jid})
- query.append(item)
- iq = self.xmpp.makeIqSet(query)
- iq['to'] = room
- result = iq.send()
- if result is False or result['type'] != 'result':
- raise ValueError
- return True
-
- def invite(self, room, jid, reason=''):
- """ Invite a jid to a room."""
- msg = self.xmpp.makeMessage(room)
- msg['from'] = self.xmpp.boundjid.bare
- x = ET.Element('{http://jabber.org/protocol/muc#user}x')
- invite = ET.Element('{http://jabber.org/protocol/muc#user}invite', {'to': jid})
- if reason:
- rxml = ET.Element('reason')
- rxml.text = reason
- invite.append(rxml)
- x.append(invite)
- msg.append(x)
- self.xmpp.send(msg)
-
- def leaveMUC(self, room, nick, msg=''):
- """ Leave the specified room.
- """
- if msg:
- self.xmpp.sendPresence(pshow='unavailable', pto="%s/%s" % (room, nick), pstatus=msg)
- else:
- self.xmpp.sendPresence(pshow='unavailable', pto="%s/%s" % (room, nick))
- del self.rooms[room]
-
- def getRoomConfig(self, room):
- iq = self.xmpp.makeIqGet('http://jabber.org/protocol/muc#owner')
- iq['to'] = room
- iq['from'] = self.xmpp.boundjid.bare
- result = iq.send()
- if result is None or result['type'] != 'result':
- raise ValueError
- form = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
- if form is None:
- raise ValueError
- return self.xmpp.plugin['xep_0004'].buildForm(form)
-
- def cancelConfig(self, room):
- query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
- x = ET.Element('{jabber:x:data}x', type='cancel')
- query.append(x)
- iq = self.xmpp.makeIqSet(query)
- iq.send()
-
- def setRoomConfig(self, room, config):
- query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
- x = config.getXML('submit')
- query.append(x)
- iq = self.xmpp.makeIqSet(query)
- iq['to'] = room
- iq['from'] = self.xmpp.boundjid.bare
- iq.send()
-
- def getJoinedRooms(self):
- return self.rooms.keys()
-
- def getOurJidInRoom(self, roomJid):
- """ Return the jid we're using in a room.
- """
- return "%s/%s" % (roomJid, self.ourNicks[roomJid])
-
- def getJidProperty(self, room, nick, jidProperty):
- """ Get the property of a nick in a room, such as its 'jid' or 'affiliation'
- If not found, return None.
- """
- if room in self.rooms and nick in self.rooms[room] and jidProperty in self.rooms[room][nick]:
- return self.rooms[room][nick][jidProperty]
- else:
- return None
-
- def getRoster(self, room):
- """ Get the list of nicks in a room.
- """
- if room not in self.rooms.keys():
- return None
- return self.rooms[room].keys()
+ """
+ Implements XEP-0045 Multi User Chat
+ """
+
+ def plugin_init(self):
+ self.rooms = {}
+ self.ourNicks = {}
+ self.xep = '0045'
+ self.description = 'Multi User Chat'
+ # load MUC support in presence stanzas
+ registerStanzaPlugin(Presence, MUCPresence)
+ self.xmpp.registerHandler(Callback('MUCPresence', MatchXMLMask("<presence xmlns='%s' />" % self.xmpp.default_ns), self.handle_groupchat_presence))
+ self.xmpp.registerHandler(Callback('MUCMessage', MatchXMLMask("<message xmlns='%s' type='groupchat'><body/></message>" % self.xmpp.default_ns), self.handle_groupchat_message))
+ self.xmpp.registerHandler(Callback('MUCSubject', MatchXMLMask("<message xmlns='%s' type='groupchat'><subject/></message>" % self.xmpp.default_ns), self.handle_groupchat_subject))
+ self.xmpp.registerHandler(Callback('MUCInvite', MatchXPath("{%s}message/{http://jabber.org/protocol/muc#user}x/invite" % self.xmpp.default_ns), self.handle_groupchat_invite))
+
+ def handle_groupchat_invite(self, inv):
+ """ Handle an invite into a muc.
+ """
+ logging.debug("MUC invite to %s from %s: %s" % (inv['from'], inv["from"], inv))
+ if inv['from'] not in self.rooms.keys():
+ self.xmpp.event("groupchat_invite", inv)
+
+ def handle_groupchat_presence(self, pr):
+ """ Handle a presence in a muc.
+ """
+ got_offline = False
+ got_online = False
+ if pr['muc']['room'] not in self.rooms.keys():
+ return
+ entry = pr['muc'].getStanzaValues()
+ entry['show'] = pr['show']
+ entry['status'] = pr['status']
+ if pr['type'] == 'unavailable':
+ if entry['nick'] in self.rooms[entry['room']]:
+ del self.rooms[entry['room']][entry['nick']]
+ got_offline = True
+ else:
+ if entry['nick'] not in self.rooms[entry['room']]:
+ got_online = True
+ self.rooms[entry['room']][entry['nick']] = entry
+ log.debug("MUC presence from %s/%s : %s" % (entry['room'],entry['nick'], entry))
+ self.xmpp.event("groupchat_presence", pr)
+ self.xmpp.event("muc::%s::presence" % entry['room'], pr)
+ if got_offline:
+ self.xmpp.event("muc::%s::got_offline" % entry['room'], pr)
+ if got_online:
+ self.xmpp.event("muc::%s::got_online" % entry['room'], pr)
+
+ def handle_groupchat_message(self, msg):
+ """ Handle a message event in a muc.
+ """
+ self.xmpp.event('groupchat_message', msg)
+ self.xmpp.event("muc::%s::message" % msg['from'].bare, msg)
+
+ def handle_groupchat_subject(self, msg):
+ """ Handle a message coming from a muc indicating
+ a change of subject (or announcing it when joining the room)
+ """
+ self.xmpp.event('groupchat_subject', msg)
+
+ def jidInRoom(self, room, jid):
+ for nick in self.rooms[room]:
+ entry = self.rooms[room][nick]
+ if entry is not None and entry['jid'].full == jid:
+ return True
+ return False
+
+ def getNick(self, room, jid):
+ for nick in self.rooms[room]:
+ entry = self.rooms[room][nick]
+ if entry is not None and entry['jid'].full == jid:
+ return nick
+
+ def getRoomForm(self, room, ifrom=None):
+ iq = self.xmpp.makeIqGet()
+ iq['to'] = room
+ if ifrom is not None:
+ iq['from'] = ifrom
+ query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+ iq.append(query)
+ result = iq.send()
+ if result['type'] == 'error':
+ return False
+ xform = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
+ if xform is None: return False
+ form = self.xmpp.plugin['old_0004'].buildForm(xform)
+ return form
+
+ def configureRoom(self, room, form=None, ifrom=None):
+ if form is None:
+ form = self.getRoomForm(room, ifrom=ifrom)
+ #form = self.xmpp.plugin['old_0004'].makeForm(ftype='submit')
+ #form.addField('FORM_TYPE', value='http://jabber.org/protocol/muc#roomconfig')
+ iq = self.xmpp.makeIqSet()
+ iq['to'] = room
+ if ifrom is not None:
+ iq['from'] = ifrom
+ query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+ form = form.getXML('submit')
+ query.append(form)
+ iq.append(query)
+ result = iq.send()
+ if result['type'] == 'error':
+ return False
+ return True
+
+ def joinMUC(self, room, nick, maxhistory="0", password='', wait=False, pstatus=None, pshow=None):
+ """ Join the specified room, requesting 'maxhistory' lines of history.
+ """
+ stanza = self.xmpp.makePresence(pto="%s/%s" % (room, nick), pstatus=pstatus, pshow=pshow)
+ x = ET.Element('{http://jabber.org/protocol/muc}x')
+ if password:
+ passelement = ET.Element('password')
+ passelement.text = password
+ x.append(passelement)
+ if maxhistory:
+ history = ET.Element('history')
+ if maxhistory == "0":
+ history.attrib['maxchars'] = maxhistory
+ else:
+ history.attrib['maxstanzas'] = maxhistory
+ x.append(history)
+ stanza.append(x)
+ if not wait:
+ self.xmpp.send(stanza)
+ else:
+ #wait for our own room presence back
+ expect = ET.Element("{%s}presence" % self.xmpp.default_ns, {'from':"%s/%s" % (room, nick)})
+ self.xmpp.send(stanza, expect)
+ self.rooms[room] = {}
+ self.ourNicks[room] = nick
+
+ def destroy(self, room, reason='', altroom = '', ifrom=None):
+ iq = self.xmpp.makeIqSet()
+ if ifrom is not None:
+ iq['from'] = ifrom
+ iq['to'] = room
+ query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+ destroy = ET.Element('destroy')
+ if altroom:
+ destroy.attrib['jid'] = altroom
+ xreason = ET.Element('reason')
+ xreason.text = reason
+ destroy.append(xreason)
+ query.append(destroy)
+ iq.append(query)
+ r = iq.send()
+ if r is False or r['type'] == 'error':
+ return False
+ return True
+
+ def setAffiliation(self, room, jid=None, nick=None, affiliation='member'):
+ """ Change room affiliation."""
+ if affiliation not in ('outcast', 'member', 'admin', 'owner', 'none'):
+ raise TypeError
+ query = ET.Element('{http://jabber.org/protocol/muc#admin}query')
+ if nick is not None:
+ item = ET.Element('item', {'affiliation':affiliation, 'nick':nick})
+ else:
+ item = ET.Element('item', {'affiliation':affiliation, 'jid':jid})
+ query.append(item)
+ iq = self.xmpp.makeIqSet(query)
+ iq['to'] = room
+ result = iq.send()
+ if result is False or result['type'] != 'result':
+ raise ValueError
+ return True
+
+ def invite(self, room, jid, reason=''):
+ """ Invite a jid to a room."""
+ msg = self.xmpp.makeMessage(room)
+ msg['from'] = self.xmpp.boundjid.bare
+ x = ET.Element('{http://jabber.org/protocol/muc#user}x')
+ invite = ET.Element('{http://jabber.org/protocol/muc#user}invite', {'to': jid})
+ if reason:
+ rxml = ET.Element('reason')
+ rxml.text = reason
+ invite.append(rxml)
+ x.append(invite)
+ msg.append(x)
+ self.xmpp.send(msg)
+
+ def leaveMUC(self, room, nick, msg=''):
+ """ Leave the specified room.
+ """
+ if msg:
+ self.xmpp.sendPresence(pshow='unavailable', pto="%s/%s" % (room, nick), pstatus=msg)
+ else:
+ self.xmpp.sendPresence(pshow='unavailable', pto="%s/%s" % (room, nick))
+ del self.rooms[room]
+
+ def getRoomConfig(self, room):
+ iq = self.xmpp.makeIqGet('http://jabber.org/protocol/muc#owner')
+ iq['to'] = room
+ iq['from'] = self.xmpp.boundjid.bare
+ result = iq.send()
+ if result is None or result['type'] != 'result':
+ raise ValueError
+ form = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
+ if form is None:
+ raise ValueError
+ return self.xmpp.plugin['xep_0004'].buildForm(form)
+
+ def cancelConfig(self, room):
+ query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+ x = ET.Element('{jabber:x:data}x', type='cancel')
+ query.append(x)
+ iq = self.xmpp.makeIqSet(query)
+ iq.send()
+
+ def setRoomConfig(self, room, config):
+ query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
+ x = config.getXML('submit')
+ query.append(x)
+ iq = self.xmpp.makeIqSet(query)
+ iq['to'] = room
+ iq['from'] = self.xmpp.boundjid.bare
+ iq.send()
+
+ def getJoinedRooms(self):
+ return self.rooms.keys()
+
+ def getOurJidInRoom(self, roomJid):
+ """ Return the jid we're using in a room.
+ """
+ return "%s/%s" % (roomJid, self.ourNicks[roomJid])
+
+ def getJidProperty(self, room, nick, jidProperty):
+ """ Get the property of a nick in a room, such as its 'jid' or 'affiliation'
+ If not found, return None.
+ """
+ if room in self.rooms and nick in self.rooms[room] and jidProperty in self.rooms[room][nick]:
+ return self.rooms[room][nick][jidProperty]
+ else:
+ return None
+
+ def getRoster(self, room):
+ """ Get the list of nicks in a room.
+ """
+ if room not in self.rooms.keys():
+ return None
+ return self.rooms[room].keys()