645 lines
24 KiB
Python
645 lines
24 KiB
Python
# Copyright (C) 2006 Dimitur Kirov <dkirov AT gmail.com>
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# Junglecow J <junglecow AT gmail.com>
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# Copyright (C) 2006-2007 Tomasz Melcer <liori AT exroot.org>
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# Travis Shirk <travis AT pobox.com>
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# Nikos Kouremenos <kourem AT gmail.com>
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# Copyright (C) 2006-2014 Yann Leboulanger <asterix AT lagaule.org>
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# Copyright (C) 2007 Julien Pivotto <roidelapluie AT gmail.com>
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# Copyright (C) 2007-2008 Brendan Taylor <whateley AT gmail.com>
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# Jean-Marie Traissard <jim AT lapin.org>
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# Stephan Erb <steve-e AT h3c.de>
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# Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
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#
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# 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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import operator
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from time import time as time_time
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import nbxmpp
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from gajim.common import modules
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from gajim.common import helpers
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from gajim.common import app
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from gajim.common import jingle_xtls
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from gajim.common.caps_cache import muc_caps_cache
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from gajim.common.protocol.bytestream import ConnectionSocks5Bytestream
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from gajim.common.protocol.bytestream import ConnectionIBBytestream
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from gajim.common.connection_handlers_events import *
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from gajim.common import ged
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from gajim.common.nec import NetworkEvent
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from gajim.common.const import KindConstant
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from gajim.common.jingle import ConnectionJingle
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import logging
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log = logging.getLogger('gajim.c.connection_handlers')
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# kind of events we can wait for an answer
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AGENT_REMOVED = 'agent_removed'
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# basic connection handlers used here and in zeroconf
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class ConnectionHandlersBase:
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def __init__(self):
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# List of IDs we are waiting answers for {id: (type_of_request, data), }
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self.awaiting_answers = {}
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# List of IDs that will produce a timeout is answer doesn't arrive
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# {time_of_the_timeout: (id, message to send to gui), }
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self.awaiting_timeouts = {}
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# keep track of sessions this connection has with other JIDs
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self.sessions = {}
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# IDs of sent messages (https://trac.gajim.org/ticket/8222)
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self.sent_message_ids = []
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# We decrypt GPG messages one after the other. Keep queue in mem
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self.gpg_messages_to_decrypt = []
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app.ged.register_event_handler('presence-received', ged.CORE,
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self._nec_presence_received)
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app.ged.register_event_handler('gc-message-received', ged.CORE,
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self._nec_gc_message_received)
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def cleanup(self):
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app.ged.remove_event_handler('presence-received', ged.CORE,
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self._nec_presence_received)
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app.ged.remove_event_handler('gc-message-received', ged.CORE,
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self._nec_gc_message_received)
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def _nec_presence_received(self, obj):
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account = obj.conn.name
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if account != self.name:
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return
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jid = obj.jid
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resource = obj.resource or ''
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statuss = ['offline', 'error', 'online', 'chat', 'away', 'xa', 'dnd',
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'invisible']
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obj.old_show = 0
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obj.new_show = statuss.index(obj.show)
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obj.contact_list = []
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highest = app.contacts.get_contact_with_highest_priority(account, jid)
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obj.was_highest = (highest and highest.resource == resource)
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# Update contact
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obj.contact_list = app.contacts.get_contacts(account, jid)
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obj.contact = None
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resources = []
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for c in obj.contact_list:
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resources.append(c.resource)
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if c.resource == resource:
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obj.contact = c
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break
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if obj.contact:
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if obj.contact.show in statuss:
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obj.old_show = statuss.index(obj.contact.show)
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# nick changed
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if obj.contact_nickname is not None and \
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obj.contact.contact_name != obj.contact_nickname:
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obj.contact.contact_name = obj.contact_nickname
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obj.need_redraw = True
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elif obj.old_show != obj.new_show or obj.contact.status != \
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obj.status:
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obj.need_redraw = True
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else:
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obj.contact = app.contacts.get_first_contact_from_jid(account,
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jid)
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if not obj.contact:
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# Presence of another resource of our jid
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# Create self contact and add to roster
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if resource == obj.conn.server_resource:
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return
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# Ignore offline presence of unknown self resource
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if obj.new_show < 2:
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return
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obj.contact = app.contacts.create_self_contact(jid=jid,
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account=account, show=obj.show, status=obj.status,
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priority=obj.prio, keyID=obj.keyID,
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resource=obj.resource)
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app.contacts.add_contact(account, obj.contact)
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obj.contact_list.append(obj.contact)
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elif obj.contact.show in statuss:
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obj.old_show = statuss.index(obj.contact.show)
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if (resources != [''] and (len(obj.contact_list) != 1 or \
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obj.contact_list[0].show not in ('not in roster', 'offline'))) and \
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not app.jid_is_transport(jid):
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# Another resource of an existing contact connected
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obj.old_show = 0
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obj.contact = app.contacts.copy_contact(obj.contact)
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obj.contact_list.append(obj.contact)
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obj.contact.resource = resource
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obj.need_add_in_roster = True
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if not app.jid_is_transport(jid) and len(obj.contact_list) == 1:
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# It's not an agent
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if obj.old_show == 0 and obj.new_show > 1:
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if not jid in app.newly_added[account]:
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app.newly_added[account].append(jid)
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if jid in app.to_be_removed[account]:
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app.to_be_removed[account].remove(jid)
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elif obj.old_show > 1 and obj.new_show == 0 and \
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obj.conn.connected > 1:
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if not jid in app.to_be_removed[account]:
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app.to_be_removed[account].append(jid)
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if jid in app.newly_added[account]:
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app.newly_added[account].remove(jid)
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obj.need_redraw = True
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obj.contact.show = obj.show
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obj.contact.status = obj.status
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obj.contact.priority = obj.prio
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attached_keys = app.config.get_per('accounts', account,
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'attached_gpg_keys').split()
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if jid in attached_keys:
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obj.contact.keyID = attached_keys[attached_keys.index(jid) + 1]
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else:
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# Do not override assigned key
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obj.contact.keyID = obj.keyID
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obj.contact.contact_nickname = obj.contact_nickname
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obj.contact.idle_time = obj.idle_time
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if app.jid_is_transport(jid):
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return
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# It isn't an agent
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# reset chatstate if needed:
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# (when contact signs out or has errors)
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if obj.show in ('offline', 'error'):
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obj.contact.our_chatstate = obj.contact.chatstate = None
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# TODO: This causes problems when another
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# resource signs off!
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self.stop_all_active_file_transfers(obj.contact)
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if app.config.get('log_contact_status_changes') and \
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app.config.should_log(self.name, obj.jid):
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show = app.logger.convert_show_values_to_db_api_values(obj.show)
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if show is not None:
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app.logger.insert_into_logs(self.name,
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nbxmpp.JID(obj.jid).getStripped(),
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time_time(),
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KindConstant.STATUS,
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message=obj.status,
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show=show)
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def _check_for_mam_compliance(self, room_jid, stanza_id):
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namespace = muc_caps_cache.get_mam_namespace(room_jid)
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if stanza_id is None and namespace == nbxmpp.NS_MAM_2:
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log.warning('%s announces mam:2 without stanza-id', room_jid)
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def _nec_gc_message_received(self, obj):
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if obj.conn.name != self.name:
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return
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self._check_for_mam_compliance(obj.jid, obj.stanza_id)
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if (app.config.should_log(obj.conn.name, obj.jid) and
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obj.msgtxt and obj.nick):
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# if not obj.nick, it means message comes from room itself
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# usually it hold description and can be send at each connection
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# so don't store it in logs
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app.logger.insert_into_logs(self.name,
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obj.jid,
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obj.timestamp,
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KindConstant.GC_MSG,
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message=obj.msgtxt,
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contact_name=obj.nick,
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additional_data=obj.additional_data,
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stanza_id=obj.stanza_id)
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app.logger.set_room_last_message_time(obj.room_jid, obj.timestamp)
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self.get_module('MAM').save_archive_id(
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obj.room_jid, obj.stanza_id, obj.timestamp)
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# process and dispatch an error message
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def dispatch_error_message(self, msg, msgtxt, session, frm, tim):
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error_msg = msg.getErrorMsg()
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if not error_msg:
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error_msg = msgtxt
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msgtxt = None
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subject = msg.getSubject()
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if session.is_loggable():
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app.logger.insert_into_logs(self.name,
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nbxmpp.JID(frm).getStripped(),
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tim,
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KindConstant.ERROR,
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message=error_msg,
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subject=subject)
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app.nec.push_incoming_event(MessageErrorEvent(None, conn=self,
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fjid=frm, error_code=msg.getErrorCode(), error_msg=error_msg,
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msg=msgtxt, time_=tim, session=session, stanza=msg))
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def get_sessions(self, jid):
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"""
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Get all sessions for the given full jid
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"""
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if not app.interface.is_pm_contact(jid, self.name):
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jid = app.get_jid_without_resource(jid)
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try:
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return list(self.sessions[jid].values())
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except KeyError:
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return []
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def get_or_create_session(self, fjid, thread_id):
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"""
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Return an existing session between this connection and 'jid', returns a
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new one if none exist
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"""
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pm = True
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jid = fjid
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if not app.interface.is_pm_contact(fjid, self.name):
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pm = False
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jid = app.get_jid_without_resource(fjid)
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session = self.find_session(jid, thread_id)
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if session:
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return session
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if pm:
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return self.make_new_session(fjid, thread_id, type_='pm')
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return self.make_new_session(fjid, thread_id)
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def find_session(self, jid, thread_id):
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try:
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if not thread_id:
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return self.find_null_session(jid)
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return self.sessions[jid][thread_id]
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except KeyError:
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return None
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def terminate_sessions(self):
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self.sessions = {}
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def delete_session(self, jid, thread_id):
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if not jid in self.sessions:
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jid = app.get_jid_without_resource(jid)
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if not jid in self.sessions:
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return
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del self.sessions[jid][thread_id]
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if not self.sessions[jid]:
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del self.sessions[jid]
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def find_null_session(self, jid):
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"""
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Find all of the sessions between us and a remote jid in which we haven't
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received a thread_id yet and returns the session that we last sent a
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message to
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"""
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sessions = list(self.sessions[jid].values())
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# sessions that we haven't received a thread ID in
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idless = [s for s in sessions if not s.received_thread_id]
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# filter out everything except the default session type
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chat_sessions = [s for s in idless if isinstance(s,
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app.default_session_type)]
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if chat_sessions:
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# return the session that we last sent a message in
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return sorted(chat_sessions,
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key=operator.attrgetter('last_send'))[-1]
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return None
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def get_latest_session(self, jid):
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"""
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Get the session that we last sent a message to
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"""
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if jid not in self.sessions:
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return None
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sessions = self.sessions[jid].values()
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if not sessions:
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return None
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return sorted(sessions, key=operator.attrgetter('last_send'))[-1]
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def find_controlless_session(self, jid, resource=None):
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"""
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Find an active session that doesn't have a control attached
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"""
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try:
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sessions = list(self.sessions[jid].values())
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# filter out everything except the default session type
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chat_sessions = [s for s in sessions if isinstance(s,
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app.default_session_type)]
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orphaned = [s for s in chat_sessions if not s.control]
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if resource:
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orphaned = [s for s in orphaned if s.resource == resource]
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return orphaned[0]
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except (KeyError, IndexError):
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return None
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def make_new_session(self, jid, thread_id=None, type_='chat', cls=None):
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"""
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Create and register a new session
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thread_id=None to generate one.
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type_ should be 'chat' or 'pm'.
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"""
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if not cls:
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cls = app.default_session_type
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sess = cls(self, nbxmpp.JID(jid), thread_id, type_)
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# determine if this session is a pm session
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# if not, discard the resource so that all sessions are stored bare
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if not type_ == 'pm':
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jid = app.get_jid_without_resource(jid)
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if not jid in self.sessions:
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self.sessions[jid] = {}
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self.sessions[jid][sess.thread_id] = sess
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return sess
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class ConnectionHandlers(ConnectionSocks5Bytestream,
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ConnectionHandlersBase,
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ConnectionJingle, ConnectionIBBytestream):
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def __init__(self):
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ConnectionSocks5Bytestream.__init__(self)
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ConnectionIBBytestream.__init__(self)
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# Handle presences BEFORE caps
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app.nec.register_incoming_event(PresenceReceivedEvent)
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ConnectionJingle.__init__(self)
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ConnectionHandlersBase.__init__(self)
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# IDs of disco#items requests
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self.disco_items_ids = []
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# IDs of disco#info requests
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self.disco_info_ids = []
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self.continue_connect_info = None
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# If handlers have been registered
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self.handlers_registered = False
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app.nec.register_incoming_event(StreamConflictReceivedEvent)
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app.nec.register_incoming_event(NotificationEvent)
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app.ged.register_event_handler('agent-removed', ged.CORE,
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self._nec_agent_removed)
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def cleanup(self):
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ConnectionHandlersBase.cleanup(self)
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app.ged.remove_event_handler('agent-removed', ged.CORE,
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self._nec_agent_removed)
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def _ErrorCB(self, con, iq_obj):
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log.debug('ErrorCB')
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app.nec.push_incoming_event(IqErrorReceivedEvent(None, conn=self,
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stanza=iq_obj))
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def _IqCB(self, con, iq_obj):
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id_ = iq_obj.getID()
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app.nec.push_incoming_event(NetworkEvent('raw-iq-received',
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conn=self, stanza=iq_obj))
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# Check if we were waiting a timeout for this id
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found_tim = None
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for tim in self.awaiting_timeouts:
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if id_ == self.awaiting_timeouts[tim][0]:
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found_tim = tim
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break
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if found_tim:
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del self.awaiting_timeouts[found_tim]
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if id_ not in self.awaiting_answers:
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return
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if self.awaiting_answers[id_][0] == AGENT_REMOVED:
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jid = self.awaiting_answers[id_][1]
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app.nec.push_incoming_event(AgentRemovedEvent(None, conn=self,
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agent=jid))
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del self.awaiting_answers[id_]
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def _dispatch_gc_msg_with_captcha(self, stanza, msg_obj):
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msg_obj.stanza = stanza
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app.nec.push_incoming_event(GcMessageReceivedEvent(None,
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conn=self, msg_obj=msg_obj))
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def _on_bob_received(self, conn, result, cid):
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"""
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Called when we receive BoB data
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"""
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if cid not in self.awaiting_cids:
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return
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if result.getType() == 'result':
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data = result.getTags('data', namespace=nbxmpp.NS_BOB)
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if data.getAttr('cid') == cid:
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for func in self.awaiting_cids[cid]:
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cb = func[0]
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args = func[1]
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pos = func[2]
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bob_data = data.getData()
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def recurs(node, cid, data):
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if node.getData() == 'cid:' + cid:
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node.setData(data)
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else:
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for child in node.getChildren():
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recurs(child, cid, data)
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recurs(args[pos], cid, bob_data)
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cb(*args)
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del self.awaiting_cids[cid]
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return
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# An error occured, call callback without modifying data.
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for func in self.awaiting_cids[cid]:
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cb = func[0]
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args = func[1]
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cb(*args)
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del self.awaiting_cids[cid]
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def get_bob_data(self, cid, to, callback, args, position):
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"""
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Request for BoB (XEP-0231) and when data will arrive, call callback
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with given args, after having replaced cid by it's data in
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args[position]
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"""
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|
if cid in self.awaiting_cids:
|
|
self.awaiting_cids[cid].appends((callback, args, position))
|
|
else:
|
|
self.awaiting_cids[cid] = [(callback, args, position)]
|
|
iq = nbxmpp.Iq(to=to, typ='get')
|
|
iq.addChild(name='data', attrs={'cid': cid}, namespace=nbxmpp.NS_BOB)
|
|
self.connection.SendAndCallForResponse(iq, self._on_bob_received,
|
|
{'cid': cid})
|
|
|
|
def _nec_agent_removed(self, obj):
|
|
if obj.conn.name != self.name:
|
|
return
|
|
for jid in obj.jid_list:
|
|
log.debug('Removing contact %s due to unregistered transport %s',
|
|
jid, obj.agent)
|
|
self.get_module('Presence').unsubscribe(jid)
|
|
# Transport contacts can't have 2 resources
|
|
if jid in app.to_be_removed[self.name]:
|
|
# This way we'll really remove it
|
|
app.to_be_removed[self.name].remove(jid)
|
|
|
|
def discover_ft_proxies(self):
|
|
cfg_proxies = app.config.get_per('accounts', self.name,
|
|
'file_transfer_proxies')
|
|
our_jid = helpers.parse_jid(app.get_jid_from_account(self.name) + \
|
|
'/' + self.server_resource)
|
|
testit = app.config.get_per('accounts', self.name,
|
|
'test_ft_proxies_on_startup')
|
|
if cfg_proxies:
|
|
proxies = [e.strip() for e in cfg_proxies.split(',')]
|
|
for proxy in proxies:
|
|
app.proxy65_manager.resolve(proxy, self.connection, our_jid,
|
|
testit=testit)
|
|
|
|
def send_first_presence(self):
|
|
if self.connected > 1 and self.continue_connect_info:
|
|
msg = self.continue_connect_info[1]
|
|
sign_msg = self.continue_connect_info[2]
|
|
signed = ''
|
|
send_first_presence = True
|
|
if sign_msg:
|
|
signed = self.get_signed_presence(msg,
|
|
self._send_first_presence)
|
|
if signed is None:
|
|
app.nec.push_incoming_event(GPGPasswordRequiredEvent(None,
|
|
conn=self, callback=self._send_first_presence))
|
|
# _send_first_presence will be called when user enter
|
|
# passphrase
|
|
send_first_presence = False
|
|
if send_first_presence:
|
|
self._send_first_presence(signed)
|
|
|
|
def _send_first_presence(self, signed=''):
|
|
show = self.continue_connect_info[0]
|
|
msg = self.continue_connect_info[1]
|
|
sign_msg = self.continue_connect_info[2]
|
|
if sign_msg and not signed:
|
|
signed = self.get_signed_presence(msg)
|
|
if signed is None:
|
|
app.nec.push_incoming_event(BadGPGPassphraseEvent(None,
|
|
conn=self))
|
|
self.USE_GPG = False
|
|
signed = ''
|
|
self.connected = app.SHOW_LIST.index(show)
|
|
sshow = helpers.get_xmpp_show(show)
|
|
# send our presence
|
|
if show == 'invisible':
|
|
self.send_invisible_presence(msg, signed, True)
|
|
return
|
|
if show not in ['offline', 'online', 'chat', 'away', 'xa', 'dnd']:
|
|
return
|
|
priority = app.get_priority(self.name, sshow)
|
|
|
|
self.get_module('Presence').send_presence(
|
|
priority=priority,
|
|
show=sshow,
|
|
status=msg,
|
|
sign=signed)
|
|
|
|
if self.connection:
|
|
self.priority = priority
|
|
app.nec.push_incoming_event(OurShowEvent(None, conn=self,
|
|
show=show))
|
|
|
|
if not self.avatar_conversion:
|
|
# ask our VCard
|
|
self.get_module('VCardTemp').request_vcard()
|
|
|
|
self.get_module('Bookmarks').get_bookmarks()
|
|
self.get_module('Annotations').get_annotations()
|
|
self.get_module('Blocking').get_blocking_list()
|
|
|
|
# Inform GUI we just signed in
|
|
app.nec.push_incoming_event(SignedInEvent(None, conn=self))
|
|
self.get_module('PEP').send_stored_publish()
|
|
self.continue_connect_info = None
|
|
|
|
def _PubkeyGetCB(self, con, iq_obj):
|
|
log.info('PubkeyGetCB')
|
|
jid_from = helpers.get_full_jid_from_iq(iq_obj)
|
|
sid = iq_obj.getAttr('id')
|
|
jingle_xtls.send_cert(con, jid_from, sid)
|
|
raise nbxmpp.NodeProcessed
|
|
|
|
def _PubkeyResultCB(self, con, iq_obj):
|
|
log.info('PubkeyResultCB')
|
|
jid_from = helpers.get_full_jid_from_iq(iq_obj)
|
|
jingle_xtls.handle_new_cert(con, iq_obj, jid_from)
|
|
|
|
def _StreamCB(self, con, obj):
|
|
log.debug('StreamCB')
|
|
app.nec.push_incoming_event(StreamReceivedEvent(None,
|
|
conn=self, stanza=obj))
|
|
|
|
def _register_handlers(self, con, con_type):
|
|
# try to find another way to register handlers in each class
|
|
# that defines handlers
|
|
|
|
con.RegisterHandler('iq', self._siSetCB, 'set', nbxmpp.NS_SI)
|
|
con.RegisterHandler('iq', self._siErrorCB, 'error', nbxmpp.NS_SI)
|
|
con.RegisterHandler('iq', self._siResultCB, 'result', nbxmpp.NS_SI)
|
|
con.RegisterHandler('iq', self._bytestreamSetCB, 'set',
|
|
nbxmpp.NS_BYTESTREAM)
|
|
con.RegisterHandler('iq', self._bytestreamResultCB, 'result',
|
|
nbxmpp.NS_BYTESTREAM)
|
|
con.RegisterHandler('iq', self._bytestreamErrorCB, 'error',
|
|
nbxmpp.NS_BYTESTREAM)
|
|
con.RegisterHandlerOnce('iq', self.IBBAllIqHandler)
|
|
con.RegisterHandler('iq', self.IBBIqHandler, ns=nbxmpp.NS_IBB)
|
|
con.RegisterHandler('message', self.IBBMessageHandler, ns=nbxmpp.NS_IBB)
|
|
|
|
con.RegisterHandler('iq', self._JingleCB, 'result')
|
|
con.RegisterHandler('iq', self._JingleCB, 'error')
|
|
con.RegisterHandler('iq', self._JingleCB, 'set', nbxmpp.NS_JINGLE)
|
|
con.RegisterHandler('iq', self._ErrorCB, 'error')
|
|
con.RegisterHandler('iq', self._IqCB)
|
|
con.RegisterHandler('iq', self._ResultCB, 'result')
|
|
con.RegisterHandler('unknown', self._StreamCB,
|
|
nbxmpp.NS_XMPP_STREAMS, xmlns=nbxmpp.NS_STREAMS)
|
|
con.RegisterHandler('iq', self._PubkeyGetCB, 'get',
|
|
nbxmpp.NS_PUBKEY_PUBKEY)
|
|
con.RegisterHandler('iq', self._PubkeyResultCB, 'result',
|
|
nbxmpp.NS_PUBKEY_PUBKEY)
|
|
|
|
for handler in modules.get_handlers(self):
|
|
con.RegisterHandler(*handler)
|
|
self.handlers_registered = True
|
|
|
|
def _unregister_handlers(self):
|
|
if not self.connection:
|
|
return
|
|
for handler in modules.get_handlers(self):
|
|
self.connection.UnregisterHandler(*handler)
|
|
self.handlers_registered = False
|