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path: root/sleekxmpp/plugins/xep_0045.py
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"""
    SleekXMPP: The Sleek XMPP Library
    Copyright (C) 2010 Nathanael C. Fritz
    This file is part of SleekXMPP.

    See the file LICENSE for copying permission.
"""
from __future__ import with_statement
from . import base
import logging
from xml.etree import cElementTree as ET
from .. xmlstream.stanzabase import registerStanzaPlugin, ElementBase, JID
from .. stanza.presence import Presence
from .. xmlstream.handler.callback import Callback
from .. xmlstream.matcher.xpath import MatchXPath
from .. xmlstream.matcher.xmlmask import MatchXMLMask


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

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()