gajim3/gajim/common/modules/user_avatar.py

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# 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-0084: User Avatar
from nbxmpp.namespaces import Namespace
from nbxmpp.modules.util import is_error
from gajim.common import app
from gajim.common.modules.base import BaseModule
from gajim.common.modules.util import event_node
from gajim.common.modules.util import as_task
class UserAvatar(BaseModule):
_nbxmpp_extends = 'UserAvatar'
_nbxmpp_methods = [
'request_avatar_metadata',
'request_avatar_data',
'set_avatar',
'set_access_model'
]
def __init__(self, con):
BaseModule.__init__(self, con)
self._register_pubsub_handler(self._avatar_metadata_received)
@event_node(Namespace.AVATAR_METADATA)
def _avatar_metadata_received(self, _con, _stanza, properties):
if properties.pubsub_event.retracted:
return
metadata = properties.pubsub_event.data
jid = str(properties.jid)
if metadata is None or not metadata.infos:
self._log.info('No avatar published: %s', jid)
app.contacts.set_avatar(self._account, jid, None)
self._con.get_module('Roster').set_avatar_sha(jid, None)
app.interface.update_avatar(self._account, jid)
else:
if properties.is_self_message:
sha = app.settings.get_account_setting(self._account,
'avatar_sha')
else:
sha = app.contacts.get_avatar_sha(self._account, jid)
if sha in metadata.avatar_shas:
self._log.info('Avatar already known: %s %s', jid, sha)
return
avatar_info = metadata.infos[0]
self._log.info('Request: %s %s', jid, avatar_info.id)
self._request_avatar_data(jid, avatar_info)
@as_task
def _request_avatar_data(self, jid, avatar_info):
_task = yield
avatar = yield self._nbxmpp('UserAvatar').request_avatar_data(
avatar_info.id, jid=jid)
if avatar is None:
self._log.warning('%s advertised %s but data node is empty',
jid, avatar_info.id)
return
if is_error(avatar):
self._log.warning(avatar)
return
self._log.info('Received Avatar: %s %s', jid, avatar.sha)
app.interface.save_avatar(avatar.data)
if self._con.get_own_jid().bare_match(jid):
app.settings.set_account_setting(self._account,
'avatar_sha',
avatar.sha)
else:
self._con.get_module('Roster').set_avatar_sha(
str(jid), avatar.sha)
app.contacts.set_avatar(self._account, str(jid), avatar.sha)
app.interface.update_avatar(self._account, str(jid))
def get_instance(*args, **kwargs):
return UserAvatar(*args, **kwargs), 'UserAvatar'