gajim-plural/gajim/common/modules/vcard_avatars.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-0153: vCard-Based Avatars
import os
import logging
from pathlib import Path
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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
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', '')
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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:
# 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(jid, avatar_sha)
else:
# Presence from another resource of ours
self._self_update_received(jid, avatar_sha)
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return
# Check if presence is from a MUC service
contact = app.contacts.get_groupchat_contact(self._account, str(jid))
if contact is not None:
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self._update_received(jid, avatar_sha, room=True)
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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)
app.config.set_per('accounts', self._account, 'avatar_sha', '')
app.contacts.set_avatar(self._account, jid, None)
app.interface.update_avatar(self._account, jid)
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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:
path = Path(configpaths.get('AVATAR')) / avatar_sha
if path.exists():
app.config.set_per(
'accounts', self._account, 'avatar_sha', avatar_sha)
app.contacts.set_avatar(self._account, jid, avatar_sha)
app.interface.update_avatar(self._account, jid)
else:
log.info('Request : %s', jid)
self._con.get_module('VCardTemp').request_vcard(
RequestAvatar.SELF)
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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)
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return
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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)
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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, 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
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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)
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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'