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"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import hashlib
import logging
from sleekxmpp.stanza import Presence
from sleekxmpp.xmlstream import register_stanza_plugin
from sleekxmpp.xmlstream.matcher import StanzaPath
from sleekxmpp.xmlstream.handler import Callback
from sleekxmpp.plugins.base import BasePlugin
from sleekxmpp.plugins.xep_0153 import stanza, VCardTempUpdate
log = logging.getLogger(__name__)
class XEP_0153(BasePlugin):
name = 'xep_0153'
description = 'XEP-0153: vCard-Based Avatars'
dependencies = set(['xep_0054'])
stanza = stanza
def plugin_init(self):
self._hashes = {}
register_stanza_plugin(Presence, VCardTempUpdate)
self.xmpp.add_filter('out', self._update_presence)
self.xmpp.add_event_handler('session_start', self._start)
self.xmpp.add_event_handler('presence_available', self._recv_presence)
self.xmpp.add_event_handler('presence_dnd', self._recv_presence)
self.xmpp.add_event_handler('presence_xa', self._recv_presence)
self.xmpp.add_event_handler('presence_chat', self._recv_presence)
self.xmpp.add_event_handler('presence_away', self._recv_presence)
self.api.register(self._set_hash, 'set_hash', default=True)
self.api.register(self._get_hash, 'get_hash', default=True)
def set_avatar(self, jid=None, avatar=None, mtype=None, block=True,
timeout=None, callback=None):
vcard = self.xmpp['xep_0054'].get_vcard(jid, cached=True)
vcard = vcard['vcard_temp']
vcard['PHOTO']['TYPE'] = mtype
vcard['PHOTO']['BINVAL'] = avatar
self.xmpp['xep_0054'].publish_vcard(jid=jid, vcard=vcard)
self._reset_hash(jid)
def _start(self, event):
self.xmpp['xep_0054'].get_vcard()
def _update_presence(self, stanza):
if not isinstance(stanza, Presence):
return stanza
current_hash = self.api['get_hash'](stanza['from'])
stanza['vcard_temp_update']['photo'] = current_hash
return stanza
def _reset_hash(self, jid=None):
own_jid = (jid.bare == self.xmpp.boundjid.bare)
if self.xmpp.is_component:
own_jid = (jid.domain == self.xmpp.boundjid.domain)
if jid is not None:
jid = jid.bare
self.api['set_hash'](jid, args=None)
if own_jid:
self.xmpp.roster[jid].send_last_presence()
iq = self.xmpp['xep_0054'].get_vcard(
jid=jid,
ifrom=self.xmpp.boundjid)
data = iq['vcard_temp']['PHOTO']['BINVAL']
if not data:
new_hash = ''
else:
new_hash = hashlib.sha1(data).hexdigest()
self.api['set_hash'](jid, args=new_hash)
if own_jid:
self.xmpp.roster[jid].send_last_presence()
def _recv_presence(self, pres):
if not pres.match('presence/vcard_temp_update'):
self.api['set_hash'](pres['from'], args=None)
return
data = pres['vcard_temp_update']['photo']
if data is None:
return
elif data == '' or data != self.api['get_hash'](pres['to']):
self._reset_hash(pres['from'])
# =================================================================
def _get_hash(self, jid, node, ifrom, args):
return self._hashes.get(jid.bare, None)
def _set_hash(self, jid, node, ifrom, args):
self._hashes[jid.bare] = args
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