gajim-plural/gajim/common/modules/roster_item_exchange.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-0144: Roster Item Exchange
import logging
import nbxmpp
from gajim.common import app
from gajim.common import helpers
from gajim.common.nec import NetworkIncomingEvent
log = logging.getLogger('gajim.c.m.roster_item_exchange')
class RosterItemExchange:
def __init__(self, con):
self._con = con
self._account = con.name
self.handlers = [
('iq', self.received_item, 'set', nbxmpp.NS_ROSTERX),
('message', self.received_item, '', nbxmpp.NS_ROSTERX)
]
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def received_item(self, _con, stanza):
# stanza can be a message or a iq
log.info('Received roster items from %s', stanza.getFrom())
exchange_items_list = {}
items_list = stanza.getTag(
'x', namespace=nbxmpp.NS_ROSTERX).getChildren()
if items_list is None:
raise nbxmpp.NodeProcessed
action = items_list[0].getAttr('action')
if not action:
action = 'add'
for item in items_list:
try:
jid = helpers.parse_jid(item.getAttr('jid'))
except helpers.InvalidFormat:
log.warning('Invalid JID: %s, ignoring it',
item.getAttr('jid'))
continue
name = item.getAttr('name')
contact = app.contacts.get_contact(self._account, jid)
groups = []
same_groups = True
for group in item.getTags('group'):
groups.append(group.getData())
# check that all suggested groups are in the groups we have for
# this contact
if not contact or group not in contact.groups:
same_groups = False
if contact:
# check that all groups we have for this contact are in the
# suggested groups
for group in contact.groups:
if group not in groups:
same_groups = False
if contact.sub in ('both', 'to') and same_groups:
continue
exchange_items_list[jid] = [name, groups]
if not exchange_items_list:
raise nbxmpp.NodeProcessed
log.info('Items: %s', exchange_items_list)
app.nec.push_incoming_event(RosterItemExchangeEvent(
None, conn=self._con,
fjid=str(stanza.getFrom()),
exchange_items_list=exchange_items_list,
action=action))
raise nbxmpp.NodeProcessed
def send_contacts(self, contacts, fjid, type_='message'):
if not app.account_is_connected(self._account):
return
if type_ == 'message':
if len(contacts) == 1:
msg = _('Sent contact: "%(jid)s" (%(name)s)') % {
'jid': contacts[0].get_full_jid(),
'name': contacts[0].get_shown_name()}
else:
msg = _('Sent contacts:')
for contact in contacts:
msg += '\n "%s" (%s)' % (contact.get_full_jid(),
contact.get_shown_name())
stanza = nbxmpp.Message(to=app.get_jid_without_resource(fjid),
body=msg)
elif type_ == 'iq':
stanza = nbxmpp.Iq(to=fjid, typ='set')
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xdata = stanza.addChild(name='x', namespace=nbxmpp.NS_ROSTERX)
for contact in contacts:
name = contact.get_shown_name()
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xdata.addChild(name='item', attrs={'action': 'add',
'jid': contact.jid,
'name': name})
log.info('Send contact: %s %s', contact.jid, name)
self._con.connection.send(stanza)
class RosterItemExchangeEvent(NetworkIncomingEvent):
name = 'roster-item-exchange-received'
def get_instance(*args, **kwargs):
return RosterItemExchange(*args, **kwargs), 'RosterItemExchange'