179 lines
6.4 KiB
Python
179 lines
6.4 KiB
Python
"""
|
||
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 hashlib
|
||
import logging
|
||
|
||
from slixmpp.stanza import Presence
|
||
from slixmpp.exceptions import XMPPError, IqTimeout
|
||
from slixmpp.xmlstream import register_stanza_plugin
|
||
from slixmpp.plugins.base import BasePlugin
|
||
from slixmpp.plugins.xep_0153 import stanza, VCardTempUpdate
|
||
from slixmpp import asyncio, future_wrapper
|
||
|
||
|
||
log = logging.getLogger(__name__)
|
||
|
||
|
||
class XEP_0153(BasePlugin):
|
||
|
||
name = 'xep_0153'
|
||
description = 'XEP-0153: vCard-Based Avatars'
|
||
dependencies = {'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('session_end', self._end)
|
||
|
||
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)
|
||
self.api.register(self._reset_hash, 'reset_hash', default=True)
|
||
|
||
def plugin_end(self):
|
||
self.xmpp.del_filter('out', self._update_presence)
|
||
self.xmpp.del_event_handler('session_start', self._start)
|
||
self.xmpp.del_event_handler('session_end', self._end)
|
||
self.xmpp.del_event_handler('presence_available', self._recv_presence)
|
||
self.xmpp.del_event_handler('presence_dnd', self._recv_presence)
|
||
self.xmpp.del_event_handler('presence_xa', self._recv_presence)
|
||
self.xmpp.del_event_handler('presence_chat', self._recv_presence)
|
||
self.xmpp.del_event_handler('presence_away', self._recv_presence)
|
||
|
||
@future_wrapper
|
||
def set_avatar(self, jid=None, avatar=None, mtype=None, timeout=None,
|
||
callback=None, timeout_callback=None):
|
||
if jid is None:
|
||
jid = self.xmpp.boundjid.bare
|
||
|
||
future = asyncio.Future()
|
||
|
||
def propagate_timeout_exception(fut):
|
||
try:
|
||
fut.done()
|
||
except IqTimeout as e:
|
||
future.set_exception(e)
|
||
|
||
def custom_callback(result):
|
||
vcard = result['vcard_temp']
|
||
vcard['PHOTO']['TYPE'] = mtype
|
||
vcard['PHOTO']['BINVAL'] = avatar
|
||
|
||
new_future = self.xmpp['xep_0054'].publish_vcard(jid=jid,
|
||
vcard=vcard,
|
||
timeout=timeout,
|
||
callback=next_callback,
|
||
timeout_callback=timeout_callback)
|
||
new_future.add_done_callback(propagate_timeout_exception)
|
||
|
||
def next_callback(result):
|
||
if result['type'] == 'error':
|
||
future.set_exception(result)
|
||
else:
|
||
self.api['reset_hash'](jid)
|
||
self.xmpp.roster[jid].send_last_presence()
|
||
|
||
future.set_result(result)
|
||
|
||
first_future = self.xmpp['xep_0054'].get_vcard(jid, cached=False, timeout=timeout,
|
||
callback=custom_callback,
|
||
timeout_callback=timeout_callback)
|
||
first_future.add_done_callback(propagate_timeout_exception)
|
||
return future
|
||
|
||
async def _start(self, event):
|
||
try:
|
||
vcard = await self.xmpp['xep_0054'].get_vcard(self.xmpp.boundjid.bare)
|
||
data = vcard['vcard_temp']['PHOTO']['BINVAL']
|
||
if not data:
|
||
new_hash = ''
|
||
else:
|
||
new_hash = hashlib.sha1(data).hexdigest()
|
||
self.api['set_hash'](self.xmpp.boundjid, args=new_hash)
|
||
except XMPPError:
|
||
log.debug('Could not retrieve vCard for %s', self.xmpp.boundjid.bare)
|
||
|
||
def _end(self, event):
|
||
pass
|
||
|
||
def _update_presence(self, stanza):
|
||
if not isinstance(stanza, Presence):
|
||
return stanza
|
||
|
||
if stanza['type'] not in ('available', 'dnd', 'chat', 'away', 'xa'):
|
||
return stanza
|
||
|
||
current_hash = self.api['get_hash'](stanza['from'])
|
||
stanza['vcard_temp_update']['photo'] = current_hash
|
||
return stanza
|
||
|
||
def _reset_hash(self, jid, node, ifrom, args):
|
||
own_jid = (jid.bare == self.xmpp.boundjid.bare)
|
||
if self.xmpp.is_component:
|
||
own_jid = (jid.domain == self.xmpp.boundjid.domain)
|
||
|
||
self.api['set_hash'](jid, args=None)
|
||
if own_jid:
|
||
self.xmpp.roster[jid].send_last_presence()
|
||
|
||
def callback(iq):
|
||
if iq['type'] == 'error':
|
||
log.debug('Could not retrieve vCard for %s', jid)
|
||
return
|
||
try:
|
||
data = iq['vcard_temp']['PHOTO']['BINVAL']
|
||
except ValueError:
|
||
log.debug('Invalid BINVAL in vCard’s PHOTO for %s:', jid, exc_info=True)
|
||
data = None
|
||
if not data:
|
||
new_hash = ''
|
||
else:
|
||
new_hash = hashlib.sha1(data).hexdigest()
|
||
|
||
self.api['set_hash'](jid, args=new_hash)
|
||
|
||
self.xmpp['xep_0054'].get_vcard(jid=jid.bare, ifrom=ifrom,
|
||
callback=callback)
|
||
|
||
def _recv_presence(self, pres):
|
||
try:
|
||
if pres['muc']['affiliation']:
|
||
# Don't process vCard avatars for MUC occupants
|
||
# since they all share the same bare JID.
|
||
return
|
||
except: pass
|
||
|
||
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
|
||
self.xmpp.event('vcard_avatar_update', pres)
|
||
|
||
# =================================================================
|
||
|
||
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
|