# -*- coding:utf-8 -*-
## src/session.py
##
## Copyright (C) 2008-2014 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2008 Brendan Taylor <whateley AT gmail.com>
## Jonathan Schleifer <js-gajim AT webkeks.org>
## Stephan Erb <steve-e AT h3c.de>
##
## 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/>.
##
import nbxmpp
from common import helpers
from common import events
from common import exceptions
from common import gajim
from common import stanza_session
from common import contacts
from common import ged
from common.connection_handlers_events import ChatstateReceivedEvent, \
InformationEvent
from common.logger import KindConstant
import message_control
import notify
import dialogs
import negotiation
class ChatControlSession(stanza_session.EncryptedStanzaSession):
def __init__(self, conn, jid, thread_id, type_='chat'):
stanza_session.EncryptedStanzaSession.__init__(self, conn, jid, thread_id,
type_='chat')
gajim.ged.register_event_handler('decrypted-message-received', ged.GUI1,
self._nec_decrypted_message_received)
self.control = None
def detach_from_control(self):
if self.control:
self.control.set_session(None)
def acknowledge_termination(self):
self.detach_from_control()
stanza_session.EncryptedStanzaSession.acknowledge_termination(self)
def terminate(self, send_termination = True):
stanza_session.EncryptedStanzaSession.terminate(self, send_termination)
self.detach_from_control()
def _nec_decrypted_message_received(self, obj):
"""
Dispatch a received <message> stanza
"""
if obj.session != self:
return
contact = gajim.contacts.get_contact(self.conn.name, obj.jid,
obj.resource)
if not contact:
contact = gajim.contacts.get_gc_contact(self.conn.name, obj.jid,
obj.resource)
if self.resource != obj.resource:
self.resource = obj.resource
if self.control:
if isinstance(contact, contacts.GC_Contact):
self.control.gc_contact = contact
self.control.contact = contact.as_contact()
else:
self.control.contact = contact
if self.control.resource:
self.control.change_resource(self.resource)
if obj.mtype == 'chat':
if not obj.msgtxt and obj.chatstate is None:
return
log_type = KindConstant.CHAT_MSG_RECV
if obj.forwarded and obj.sent:
log_type = KindConstant.CHAT_MSG_SENT
else:
log_type = KindConstant.SINGLE_MSG_RECV
if obj.forwarded and obj.sent:
log_type = KindConstant.SINGLE_MSG_SENT
treat_as = gajim.config.get('treat_incoming_messages')
if treat_as:
obj.mtype = treat_as
pm = False
if obj.gc_control and obj.resource:
# It's a Private message
pm = True
obj.mtype = 'pm'
if self.is_loggable() and obj.msgtxt:
if obj.xhtml and gajim.config.get('log_xhtml_messages'):
msg_to_log = obj.xhtml
else:
msg_to_log = obj.msgtxt
jid = obj.fjid
if not pm:
jid = obj.jid
obj.msg_log_id = gajim.logger.insert_into_logs(
jid, obj.timestamp, log_type,
message=msg_to_log,
subject=obj.subject,
additional_data=obj.additional_data)
# Handle chat states
if contact and (not obj.forwarded or not obj.sent):
if self.control and self.control.type_id == \
message_control.TYPE_CHAT:
if obj.chatstate is not None:
# other peer sent us reply, so he supports jep85 or jep22
contact.chatstate = obj.chatstate
if contact.our_chatstate == 'ask': # we were jep85 disco?
contact.our_chatstate = 'active' # no more
gajim.nec.push_incoming_event(ChatstateReceivedEvent(None,
conn=obj.conn, msg_obj=obj))
elif contact.chatstate != 'active':
# got no valid jep85 answer, peer does not support it
contact.chatstate = False
elif obj.chatstate == 'active':
# Brand new message, incoming.
contact.our_chatstate = obj.chatstate
contact.chatstate = obj.chatstate
# THIS MUST BE AFTER chatstates handling
# AND BEFORE playsound (else we hear sounding on chatstates!)
if not obj.msgtxt: # empty message text
return True
if gajim.config.get_per('accounts', self.conn.name,
'ignore_unknown_contacts') and not gajim.contacts.get_contacts(
self.conn.name, obj.jid) and not pm:
return True
highest_contact = gajim.contacts.get_contact_with_highest_priority(
self.conn.name, obj.jid)
# does this resource have the highest priority of any available?
is_highest = not highest_contact or not highest_contact.resource or \
obj.resource == highest_contact.resource or highest_contact.show ==\
'offline'
if not self.control:
ctrl = gajim.interface.msg_win_mgr.search_control(obj.jid,
obj.conn.name, obj.resource)
if ctrl:
self.control = ctrl
self.control.set_session(self)
if isinstance(contact, contacts.GC_Contact):
self.control.gc_contact = contact
self.control.contact = contact.as_contact()
else:
self.control.contact = contact
if not pm:
self.roster_message2(obj)
if gajim.interface.remote_ctrl:
gajim.interface.remote_ctrl.raise_signal('NewMessage', (
self.conn.name, [obj.fjid, obj.msgtxt, obj.timestamp,
obj.encrypted, obj.mtype, obj.subject, obj.chatstate,
obj.msg_log_id, obj.user_nick, obj.xhtml, obj.form_node]))
def roster_message2(self, obj):
"""
Display the message or show notification in the roster
"""
contact = None
jid = obj.jid
resource = obj.resource
fjid = jid
# Try to catch the contact with correct resource
if resource:
fjid = jid + '/' + resource
contact = gajim.contacts.get_contact(obj.conn.name, jid, resource)
highest_contact = gajim.contacts.get_contact_with_highest_priority(
obj.conn.name, jid)
if not contact:
# If there is another resource, it may be a message from an
# invisible resource
lcontact = gajim.contacts.get_contacts(obj.conn.name, jid)
if (len(lcontact) > 1 or (lcontact and lcontact[0].resource and \
lcontact[0].show != 'offline')) and jid.find('@') > 0:
contact = gajim.contacts.copy_contact(highest_contact)
contact.resource = resource
contact.priority = 0
contact.show = 'offline'
contact.status = ''
gajim.contacts.add_contact(obj.conn.name, contact)
else:
# Default to highest prio
fjid = jid
contact = highest_contact
if not contact:
# contact is not in roster
contact = gajim.interface.roster.add_to_not_in_the_roster(
obj.conn.name, jid, obj.user_nick)
if not self.control:
ctrl = gajim.interface.msg_win_mgr.search_control(obj.jid,
obj.conn.name, obj.resource)
if ctrl:
self.control = ctrl
self.control.set_session(self)
else:
fjid = jid
obj.popup = helpers.allow_popup_window(self.conn.name)
event_t = events.ChatEvent
event_type = 'message_received'
if obj.mtype == 'normal':
event_t = events.NormalEvent
event_type = 'single_message_received'
if self.control and obj.mtype != 'normal':
# We have a ChatControl open
obj.show_in_roster = False
obj.show_in_systray = False
do_event = False
elif obj.forwarded and obj.sent:
# Its a Carbon Copied Message we sent
obj.show_in_roster = False
obj.show_in_systray = False
gajim.events.remove_events(self.conn.name, fjid, types=['chat'])
do_event = False
else:
# Everything else
obj.show_in_roster = notify.get_show_in_roster(event_type,
self.conn.name, contact, self)
obj.show_in_systray = notify.get_show_in_systray(event_type,
self.conn.name, contact)
if obj.mtype == 'normal' and not obj.popup:
do_event = False
else:
do_event = True
if do_event:
event = event_t(obj.msgtxt, obj.subject, obj.mtype, obj.timestamp,
obj.encrypted, obj.resource, obj.msg_log_id,
correct_id=(obj.id_, obj.correct_id), xhtml=obj.xhtml,
session=self, form_node=obj.form_node,
displaymarking=obj.displaymarking,
sent_forwarded=obj.forwarded and obj.sent,
show_in_roster=obj.show_in_roster,
show_in_systray=obj.show_in_systray)
gajim.events.add_event(self.conn.name, fjid, event)
def roster_message(self, jid, msg, tim, encrypted=False, msg_type='',
subject=None, resource='', msg_log_id=None, user_nick='', xhtml=None,
form_node=None, displaymarking=None, additional_data=None):
"""
Display the message or show notification in the roster
"""
contact = None
fjid = jid
if additional_data is None:
additional_data = {}
# Try to catch the contact with correct resource
if resource:
fjid = jid + '/' + resource
contact = gajim.contacts.get_contact(self.conn.name, jid, resource)
highest_contact = gajim.contacts.get_contact_with_highest_priority(
self.conn.name, jid)
if not contact:
# If there is another resource, it may be a message from an invisible
# resource
lcontact = gajim.contacts.get_contacts(self.conn.name, jid)
if (len(lcontact) > 1 or (lcontact and lcontact[0].resource and \
lcontact[0].show != 'offline')) and jid.find('@') > 0:
contact = gajim.contacts.copy_contact(highest_contact)
contact.resource = resource
if resource:
fjid = jid + '/' + resource
contact.priority = 0
contact.show = 'offline'
contact.status = ''
gajim.contacts.add_contact(self.conn.name, contact)
else:
# Default to highest prio
fjid = jid
contact = highest_contact
if not contact:
# contact is not in roster
contact = gajim.interface.roster.add_to_not_in_the_roster(
self.conn.name, jid, user_nick)
if not self.control:
ctrl = gajim.interface.msg_win_mgr.get_control(fjid, self.conn.name)
if ctrl:
self.control = ctrl
self.control.set_session(self)
else:
fjid = jid
# Do we have a queue?
no_queue = len(gajim.events.get_events(self.conn.name, fjid)) == 0
popup = helpers.allow_popup_window(self.conn.name)
if msg_type == 'normal' and popup: # it's single message to be autopopuped
dialogs.SingleMessageWindow(self.conn.name, contact.jid,
action='receive', from_whom=jid, subject=subject, message=msg,
resource=resource, session=self, form_node=form_node)
return
# We print if window is opened and it's not a single message
if self.control and msg_type != 'normal':
typ = ''
if msg_type == 'error':
typ = 'error'
self.control.print_conversation(msg, typ, tim=tim, encrypted=encrypted,
subject=subject, xhtml=xhtml, displaymarking=displaymarking,
additional_data=additional_data)
if msg_log_id:
gajim.logger.set_read_messages([msg_log_id])
return
# We save it in a queue
event_t = events.ChatEvent
event_type = 'message_received'
if msg_type == 'normal':
event_t = events.NormalEvent
event_type = 'single_message_received'
show_in_roster = notify.get_show_in_roster(event_type, self.conn.name,
contact, self)
show_in_systray = notify.get_show_in_systray(event_type, self.conn.name,
contact)
event = event_t(msg, subject, msg_type, tim, encrypted, resource,
msg_log_id, xhtml=xhtml, session=self, form_node=form_node,
displaymarking=displaymarking, sent_forwarded=False,
show_in_roster=show_in_roster, show_in_systray=show_in_systray,
additional_data=additional_data)
gajim.events.add_event(self.conn.name, fjid, event)
if popup:
if not self.control:
self.control = gajim.interface.new_chat(contact,
self.conn.name, session=self)
if len(gajim.events.get_events(self.conn.name, fjid)):
self.control.read_queue()
else:
if no_queue: # We didn't have a queue: we change icons
gajim.interface.roster.draw_contact(jid, self.conn.name)
gajim.interface.roster.show_title() # we show the * or [n]
# Select the big brother contact in roster, it's visible because it has
# events.
family = gajim.contacts.get_metacontacts_family(self.conn.name, jid)
if family:
nearby_family, bb_jid, bb_account = \
gajim.contacts.get_nearby_family_and_big_brother(family,
self.conn.name)
else:
bb_jid, bb_account = jid, self.conn.name
gajim.interface.roster.select_contact(bb_jid, bb_account)
# ---- ESessions stuff ---
def handle_negotiation(self, form):
if form.getField('accept') and not form['accept'] in ('1', 'true'):
self.cancelled_negotiation()
return
# encrypted session states. these are described in stanza_session.py
try:
if form.getType() == 'form' and 'security' in form.asDict():
security_options = [x[1] for x in form.getField('security').\
getOptions()]
if security_options == ['none']:
self.respond_archiving(form)
else:
# bob responds
# we don't support 3-message negotiation as the responder
if 'dhkeys' in form.asDict():
self.fail_bad_negotiation('3 message negotiation not '
'supported when responding', ('dhkeys',))
return
negotiated, not_acceptable, ask_user = \
self.verify_options_bob(form)
if ask_user:
def accept_nondefault_options(is_checked):
self.dialog.destroy()
negotiated.update(ask_user)
self.respond_e2e_bob(form, negotiated,
not_acceptable)
def reject_nondefault_options():
self.dialog.destroy()
for key in ask_user.keys():
not_acceptable.append(key)
self.respond_e2e_bob(form, negotiated,
not_acceptable)
self.dialog = dialogs.YesNoDialog(_('Confirm these '
'session options'),
_('The remote client wants to negotiate a session '
'with these features:\n\n%s\n\nAre these options '
'acceptable?''') % (
negotiation.describe_features(ask_user)),
on_response_yes=accept_nondefault_options,
on_response_no=reject_nondefault_options,
transient_for=self.control.parent_win.window)
else:
self.respond_e2e_bob(form, negotiated, not_acceptable)
return
elif self.status == 'requested-archiving' and form.getType() == \
'submit':
try:
self.archiving_accepted(form)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
return
# alice accepts
elif self.status == 'requested-e2e' and form.getType() == 'submit':
negotiated, not_acceptable, ask_user = self.verify_options_alice(
form)
if ask_user:
def accept_nondefault_options(is_checked):
if dialog:
dialog.destroy()
if is_checked:
allow_no_log_for = gajim.config.get_per(
'accounts', self.conn.name,
'allow_no_log_for').split()
jid = str(self.jid)
if jid not in allow_no_log_for:
allow_no_log_for.append(jid)
gajim.config.set_per('accounts', self.conn.name,
'allow_no_log_for', ' '.join(allow_no_log_for))
negotiated.update(ask_user)
try:
self.accept_e2e_alice(form, negotiated)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
def reject_nondefault_options():
self.reject_negotiation()
dialog.destroy()
allow_no_log_for = gajim.config.get_per('accounts',
self.conn.name, 'allow_no_log_for').split()
if str(self.jid) in allow_no_log_for:
dialog = None
accept_nondefault_options(False)
else:
dialog = dialogs.YesNoDialog(_('Confirm these session '
'options'),
_('The remote client selected these options:\n\n%s'
'\n\nContinue with the session?') % (
negotiation.describe_features(ask_user)),
_('Always accept for this contact'),
on_response_yes = accept_nondefault_options,
on_response_no = reject_nondefault_options,
transient_for=self.control.parent_win.window)
else:
try:
self.accept_e2e_alice(form, negotiated)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
return
elif self.status == 'responded-archiving' and form.getType() == \
'result':
try:
self.we_accept_archiving(form)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
return
elif self.status == 'responded-e2e' and form.getType() == 'result':
try:
self.accept_e2e_bob(form)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
return
elif self.status == 'identified-alice' and form.getType() == 'result':
try:
self.final_steps_alice(form)
except exceptions.NegotiationError as details:
self.fail_bad_negotiation(details)
return
except exceptions.Cancelled:
# user cancelled the negotiation
self.reject_negotiation()
return
if form.getField('terminate') and\
form.getField('terminate').getValue() in ('1', 'true'):
self.acknowledge_termination()
self.conn.delete_session(str(self.jid), self.thread_id)
return
# non-esession negotiation. this isn't very useful, but i'm keeping it
# around to test my test suite.
if form.getType() == 'form':
if not self.control:
jid, resource = gajim.get_room_and_nick_from_fjid(str(self.jid))
account = self.conn.name
contact = gajim.contacts.get_contact(account, str(self.jid),
resource)
if not contact:
contact = gajim.contacts.create_contact(jid=jid, account=account,
resource=resource, show=self.conn.get_status())
gajim.interface.new_chat(contact, account, resource=resource,
session=self)
negotiation.FeatureNegotiationWindow(account, str(self.jid), self,
form)