# 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
from pathlib import Path
import nbxmpp
from nbxmpp.structs import StanzaHandler
from nbxmpp.const import AvatarState
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 = [
StanzaHandler(name='presence',
callback=self._presence_received,
ns=nbxmpp.NS_VCARD_UPDATE,
priority=51),
]
self.avatar_advertised = False
self._find_own_avatar()
def _find_own_avatar(self):
sha = app.config.get_per('accounts', self._account, 'avatar_sha')
if not sha:
return
path = Path(configpaths.get('AVATAR')) / sha
if not path.exists():
log.info('Missing own avatar, reset sha')
app.config.set_per('accounts', self._account, 'avatar_sha', '')
def _presence_received(self, _con, _stanza, properties):
if properties.avatar_state in (AvatarState.IGNORE,
AvatarState.NOT_READY):
return
if self._con.get_own_jid().bareMatch(properties.jid):
if self._con.get_own_jid() == properties.jid:
# Initial presence reflection
if self._con.avatar_conversion:
# XEP-0398: Tells us the current avatar sha on the
# inital presence reflection
self._self_update_received(properties)
else:
# Presence from another resource of ours
self._self_update_received(properties)
return
if properties.from_muc:
self._gc_update_received(properties)
else:
# Check if presence is from a MUC service
contact = app.contacts.get_groupchat_contact(self._account,
str(properties.jid))
self._update_received(properties, room=contact is not None)
def _self_update_received(self, properties):
jid = properties.jid.getBare()
if properties.avatar_state == AvatarState.EMPTY:
# Empty <photo/> tag, means no avatar is advertised
log.info('%s has no avatar published', properties.jid)
app.config.set_per('accounts', self._account, 'avatar_sha', '')
app.contacts.set_avatar(self._account, jid, None)
app.interface.update_avatar(self._account, jid)
return
log.info('Update: %s %s', jid, properties.avatar_sha)
current_sha = app.config.get_per(
'accounts', self._account, 'avatar_sha')
if properties.avatar_sha != current_sha:
path = Path(configpaths.get('AVATAR')) / properties.avatar_sha
if path.exists():
app.config.set_per('accounts', self._account,
'avatar_sha', properties.avatar_sha)
app.contacts.set_avatar(self._account,
jid,
properties.avatar_sha)
app.interface.update_avatar(self._account, jid)
else:
log.info('Request : %s', jid)
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.SELF)
else:
log.info('Avatar already known: %s %s',
jid, properties.avatar_sha)
def _update_received(self, properties, room=False):
jid = properties.jid.getBare()
if properties.avatar_state == AvatarState.EMPTY:
# Empty <photo/> tag, means no avatar is advertised
log.info('%s has no avatar published', properties.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', properties.jid, properties.avatar_sha)
current_sha = app.contacts.get_avatar_sha(self._account, jid)
if properties.avatar_sha == current_sha:
log.info('Avatar already known: %s %s',
jid, properties.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(properties.avatar_sha):
app.contacts.set_avatar(self._account,
jid,
properties.avatar_sha)
app.interface.update_avatar(
self._account, jid, room_avatar=room)
return
if properties.avatar_sha not in self._requested_shas:
self._requested_shas.append(properties.avatar_sha)
if room:
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.ROOM, jid, sha=properties.avatar_sha)
else:
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.USER, jid, sha=properties.avatar_sha)
def _gc_update_received(self, properties):
nick = properties.jid.getResource()
gc_contact = app.contacts.get_gc_contact(
self._account, properties.jid.getBare(), nick)
if gc_contact is None:
log.error('no gc contact found: %s', nick)
return
if properties.avatar_state == AvatarState.EMPTY:
# 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, properties.avatar_sha)
path = os.path.join(configpaths.get('AVATAR'),
properties.avatar_sha)
if not os.path.isfile(path):
if properties.avatar_sha not in self._requested_shas:
app.log('avatar').info('Request: %s', nick)
self._requested_shas.append(properties.avatar_sha)
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.USER, str(properties.jid),
room=True, sha=properties.avatar_sha)
return
if gc_contact.avatar_sha != properties.avatar_sha:
log.info('%s changed their Avatar: %s',
nick, properties.avatar_sha)
gc_contact.avatar_sha = properties.avatar_sha
app.interface.update_avatar(contact=gc_contact)
else:
log.info('Avatar already known: %s', nick)
def send_avatar_presence(self, force=False, after_publish=False):
if self._con.avatar_conversion:
if not after_publish:
# XEP-0398: We only resend presence after we publish a
# new avatar
return
else:
if self.avatar_advertised and not force:
log.debug('Avatar already advertised')
return
show = helpers.get_xmpp_show(app.SHOW_LIST[self._con.connected])
self._con.get_module('Presence').send_presence(
priority=self._con.priority,
show=show,
status=self._con.status)
self.avatar_advertised = True
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)
def get_instance(*args, **kwargs):
return VCardAvatars(*args, **kwargs), 'VCardAvatars'