205 lines
8.0 KiB
Python
205 lines
8.0 KiB
Python
# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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# XEP-0153: vCard-Based Avatars
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from nbxmpp.namespaces import Namespace
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from nbxmpp.structs import StanzaHandler
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from nbxmpp.const import AvatarState
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from nbxmpp.modules.util import is_error
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from gajim.common import app
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from gajim.common.modules.base import BaseModule
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from gajim.common.modules.util import as_task
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class VCardAvatars(BaseModule):
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def __init__(self, con):
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BaseModule.__init__(self, con)
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self._requested_shas = []
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self.handlers = [
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StanzaHandler(name='presence',
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callback=self._presence_received,
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ns=Namespace.VCARD_UPDATE,
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priority=51),
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]
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self.avatar_conversion_available = False
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def pass_disco(self, info):
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is_available = Namespace.VCARD_CONVERSION in info.features
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self.avatar_conversion_available = is_available
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self._log.info('Discovered Avatar Conversion')
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@as_task
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def _request_vcard(self, jid, expected_sha, type_):
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_task = yield
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vcard = yield self._con.get_module('VCardTemp').request_vcard(jid=jid)
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if is_error(vcard):
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self._log.warning(vcard)
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return
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avatar, avatar_sha = vcard.get_avatar()
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if avatar is None:
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self._log.warning('Avatar missing: %s %s', jid, expected_sha)
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return
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if expected_sha != avatar_sha:
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self._log.warning('Avatar mismatch: %s %s != %s',
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jid,
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expected_sha,
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avatar_sha)
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return
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self._log.info('Received: %s %s', jid, avatar_sha)
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app.interface.save_avatar(avatar)
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if type_ == 'contact':
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self._con.get_module('Roster').set_avatar_sha(jid, avatar_sha)
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app.contacts.set_avatar(self._account, jid, avatar_sha)
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app.interface.update_avatar(self._account, jid)
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elif type_ == 'muc':
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app.storage.cache.set_muc_avatar_sha(jid, avatar_sha)
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app.contacts.set_avatar(self._account, jid, avatar_sha)
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app.interface.update_avatar(self._account, jid, room_avatar=True)
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elif type_ == 'muc-user':
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contact = app.contacts.get_gc_contact(self._account,
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jid.bare,
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jid.resource)
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if contact is not None:
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contact.avatar_sha = avatar_sha
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app.interface.update_avatar(contact=contact)
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def _presence_received(self, _con, _stanza, properties):
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if not properties.type.is_available:
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return
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if properties.avatar_state in (AvatarState.IGNORE,
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AvatarState.NOT_READY):
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return
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if self._con.get_own_jid().bare_match(properties.jid):
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return
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if properties.from_muc:
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self._gc_update_received(properties)
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else:
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# Check if presence is from a MUC service
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contact = app.contacts.get_groupchat_contact(self._account,
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str(properties.jid))
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self._update_received(properties, room=contact is not None)
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def muc_disco_info_update(self, disco_info):
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if not disco_info.supports(Namespace.VCARD):
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return
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field_var = '{http://modules.prosody.im/mod_vcard_muc}avatar#sha1'
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if not disco_info.has_field(Namespace.MUC_INFO, field_var):
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# Workaround so we don’t delete the avatar for servers that don’t
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# support sha in disco info. Once there is a accepted XEP this
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# can be removed
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return
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avatar_sha = disco_info.get_field_value(Namespace.MUC_INFO, field_var)
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state = AvatarState.EMPTY if not avatar_sha else AvatarState.ADVERTISED
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self._process_update(str(disco_info.jid), state, avatar_sha, True)
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def _update_received(self, properties, room=False):
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self._process_update(properties.jid.bare,
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properties.avatar_state,
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properties.avatar_sha,
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room)
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def _process_update(self, jid, state, avatar_sha, room):
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if state == AvatarState.EMPTY:
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# Empty <photo/> tag, means no avatar is advertised
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self._log.info('%s has no avatar published', jid)
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app.contacts.set_avatar(self._account, jid, None)
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if room:
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app.storage.cache.set_muc_avatar_sha(jid, None)
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else:
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self._con.get_module('Roster').set_avatar_sha(jid, None)
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app.interface.update_avatar(self._account, jid, room_avatar=room)
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else:
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self._log.info('Update: %s %s', jid, avatar_sha)
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current_sha = app.contacts.get_avatar_sha(self._account, jid)
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if avatar_sha == current_sha:
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self._log.info('Avatar already known: %s %s', jid, avatar_sha)
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return
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if app.interface.avatar_exists(avatar_sha):
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# Check if the avatar is already in storage
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self._log.info('Found avatar in storage')
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if room:
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app.storage.cache.set_muc_avatar_sha(jid, avatar_sha)
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else:
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self._con.get_module('Roster').set_avatar_sha(jid,
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avatar_sha)
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app.contacts.set_avatar(self._account, jid, avatar_sha)
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app.interface.update_avatar(
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self._account, jid, room_avatar=room)
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return
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if avatar_sha not in self._requested_shas:
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self._requested_shas.append(avatar_sha)
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if room:
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self._request_vcard(jid, avatar_sha, 'muc')
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else:
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self._request_vcard(jid, avatar_sha, 'contact')
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def _gc_update_received(self, properties):
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nick = properties.jid.resource
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gc_contact = app.contacts.get_gc_contact(
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self._account, properties.jid.bare, nick)
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if gc_contact is None:
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self._log.error('no gc contact found: %s', nick)
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return
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if properties.avatar_state == AvatarState.EMPTY:
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# Empty <photo/> tag, means no avatar is advertised
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self._log.info('%s has no avatar published', nick)
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gc_contact.avatar_sha = None
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app.interface.update_avatar(contact=gc_contact)
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else:
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self._log.info('Update: %s %s', nick, properties.avatar_sha)
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if not app.interface.avatar_exists(properties.avatar_sha):
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if properties.avatar_sha not in self._requested_shas:
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app.log('avatar').info('Request: %s', nick)
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self._requested_shas.append(properties.avatar_sha)
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self._request_vcard(properties.jid,
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properties.avatar_sha,
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'muc-user')
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return
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if gc_contact.avatar_sha != properties.avatar_sha:
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self._log.info('%s changed their Avatar: %s',
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nick, properties.avatar_sha)
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gc_contact.avatar_sha = properties.avatar_sha
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app.interface.update_avatar(contact=gc_contact)
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else:
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self._log.info('Avatar already known: %s', nick)
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def get_instance(*args, **kwargs):
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return VCardAvatars(*args, **kwargs), 'VCardAvatars'
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