gajim-plural/gajim/common/modules/vcard_avatars.py

197 lines
7.4 KiB
Python

# This file is part of Gajim.
#
# Gajim is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; version 3 only.
#
# Gajim 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
# XEP-0153: vCard-Based Avatars
import os
import logging
import nbxmpp
from gajim.common import app
from gajim.common import helpers
from gajim.common import configpaths
from gajim.common.const import RequestAvatar
log = logging.getLogger('gajim.c.m.vcard.avatars')
class VCardAvatars:
def __init__(self, con):
self._con = con
self._account = con.name
self._requested_shas = []
self.handlers = [
('presence', self._presence_received, '', nbxmpp.NS_VCARD_UPDATE),
]
self.avatar_advertised = False
def _presence_received(self, con, stanza):
update = stanza.getTag('x', namespace=nbxmpp.NS_VCARD_UPDATE)
if update is None:
return
jid = stanza.getFrom()
avatar_sha = update.getTagData('photo')
if avatar_sha is None:
log.info('%s is not ready to promote an avatar', jid)
# Empty update element, ignore
return
if self._con.get_own_jid().bareMatch(jid):
if self._con.get_own_jid() == jid:
# Reflection of our own presence
return
self._self_update_received(jid, avatar_sha)
return
# Check if presence is from a MUC service
contact = app.contacts.get_groupchat_contact(self._account, str(jid))
if contact is not None:
self._update_received(jid, avatar_sha, room=True)
elif stanza.getTag('x', namespace=nbxmpp.NS_MUC_USER):
show = stanza.getShow()
type_ = stanza.getType()
self._gc_update_received(jid, avatar_sha, show, type_)
else:
self._update_received(jid, avatar_sha)
def _self_update_received(self, jid, avatar_sha):
jid = jid.getStripped()
full_jid = jid
if avatar_sha == '':
# Empty <photo/> tag, means no avatar is advertised
log.info('%s has no avatar published', full_jid)
return
log.info('Update: %s %s', jid, avatar_sha)
current_sha = app.config.get_per(
'accounts', self._account, 'avatar_sha')
if avatar_sha != current_sha:
log.info('Request : %s', jid)
self._con.get_module('VCardTemp').request_vcard(RequestAvatar.SELF)
else:
log.info('Avatar already known: %s %s',
jid, avatar_sha)
def _update_received(self, jid, avatar_sha, room=False):
jid = jid.getStripped()
full_jid = jid
if avatar_sha == '':
# Empty <photo/> tag, means no avatar is advertised
log.info('%s has no avatar published', full_jid)
# Remove avatar
log.debug('Remove: %s', jid)
app.contacts.set_avatar(self._account, jid, None)
acc_jid = self._con.get_own_jid().getStripped()
if not room:
app.logger.set_avatar_sha(acc_jid, jid, None)
app.interface.update_avatar(
self._account, jid, room_avatar=room)
else:
log.info('Update: %s %s', full_jid, avatar_sha)
current_sha = app.contacts.get_avatar_sha(self._account, jid)
if avatar_sha == current_sha:
log.info('Avatar already known: %s %s', jid, avatar_sha)
return
if room:
# We dont save the room avatar hash in our DB, so check
# if we previously downloaded it
if app.interface.avatar_exists(avatar_sha):
app.contacts.set_avatar(self._account, jid, avatar_sha)
app.interface.update_avatar(
self._account, jid, room_avatar=room)
return
if avatar_sha not in self._requested_shas:
self._requested_shas.append(avatar_sha)
if room:
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.ROOM, jid, sha=avatar_sha)
else:
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.USER, jid, sha=avatar_sha)
def _gc_update_received(self, jid, avatar_sha, show, type_):
if show == 'offline' or type_ == 'unavailable':
return
nick = jid.getResource()
gc_contact = app.contacts.get_gc_contact(
self._account, jid.getStripped(), nick)
if gc_contact is None:
log.error('no gc contact found: %s', nick)
return
if avatar_sha == '':
# Empty <photo/> tag, means no avatar is advertised, remove avatar
log.info('%s has no avatar published', nick)
log.debug('Remove: %s', nick)
gc_contact.avatar_sha = None
app.interface.update_avatar(contact=gc_contact)
else:
log.info('Update: %s %s', nick, avatar_sha)
path = os.path.join(configpaths.get('AVATAR'), avatar_sha)
if not os.path.isfile(path):
if avatar_sha not in self._requested_shas:
app.log('avatar').info('Request: %s', nick)
self._requested_shas.append(avatar_sha)
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.USER, str(jid),
room=True, sha=avatar_sha)
return
if gc_contact.avatar_sha != avatar_sha:
log.info('%s changed their Avatar: %s', nick, avatar_sha)
gc_contact.avatar_sha = avatar_sha
app.interface.update_avatar(contact=gc_contact)
else:
log.info('Avatar already known: %s', nick)
def send_avatar_presence(self, force=False):
if self.avatar_advertised and not force:
log.debug('Avatar already advertised')
return
show = helpers.get_xmpp_show(app.SHOW_LIST[self._con.connected])
pres = nbxmpp.Presence(typ=None, priority=self._con.priority,
show=show, status=self._con.status)
pres = self._con.add_sha(pres)
self._con.connection.send(pres)
self.avatar_advertised = True
app.interface.update_avatar(self._account,
self._con.get_own_jid().getStripped())
def add_update_node(self, node):
update = node.setTag('x', namespace=nbxmpp.NS_VCARD_UPDATE)
if self._con.get_module('VCardTemp').own_vcard_received:
sha = app.config.get_per('accounts', self._account, 'avatar_sha')
own_jid = self._con.get_own_jid()
log.info('Send avatar presence to: %s %s',
node.getTo() or own_jid, sha or 'no sha advertised')
update.setTagData('photo', sha)
return node
def get_instance(*args, **kwargs):
return VCardAvatars(*args, **kwargs), 'VCardAvatars'