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|
##
## Copyright (C) 2006 Gajim Team
##
## Contributors for this file:
## - Yann Leboulanger <asterix@lagaule.org>
## - Nikos Kouremenos <nkour@jabber.org>
## - Dimitur Kirov <dkirov@gmail.com>
## - Travis Shirk <travis@pobox.com>
## - Stefan Bethge <stefan@lanpartei.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 os
import time
import socket
from calendar import timegm
from common import socks5
import common.xmpp
from common import helpers
from common import gajim
from common.zeroconf import zeroconf
STATUS_LIST = ['offline', 'connecting', 'online', 'chat', 'away', 'xa', 'dnd',
'invisible']
# kind of events we can wait for an answer
VCARD_PUBLISHED = 'vcard_published'
VCARD_ARRIVED = 'vcard_arrived'
AGENT_REMOVED = 'agent_removed'
HAS_IDLE = True
try:
import idle
except Exception:
gajim.log.debug(_('Unable to load idle module'))
HAS_IDLE = False
from common import connection_handlers
from session import ChatControlSession
class ConnectionVcard(connection_handlers.ConnectionVcard):
def add_sha(self, p, send_caps = True):
pass
def add_caps(self, p):
pass
def request_vcard(self, jid = None, is_fake_jid = False):
pass
def send_vcard(self, vcard):
pass
class ConnectionBytestream(connection_handlers.ConnectionBytestream):
def send_socks5_info(self, file_props, fast = True, receiver = None,
sender = None):
''' send iq for the present streamhosts and proxies '''
if not isinstance(self.peerhost, tuple):
return
port = gajim.config.get('file_transfers_port')
ft_add_hosts_to_send = gajim.config.get('ft_add_hosts_to_send')
if receiver is None:
receiver = file_props['receiver']
if sender is None:
sender = file_props['sender']
proxyhosts = []
sha_str = helpers.get_auth_sha(file_props['sid'], sender,
receiver)
file_props['sha_str'] = sha_str
ft_add_hosts = []
if ft_add_hosts_to_send:
ft_add_hosts_to_send = map(lambda e:e.strip(),
ft_add_hosts_to_send.split(','))
for ft_host in ft_add_hosts_to_send:
try:
ft_host = socket.gethostbyname(ft_host)
ft_add_hosts.append(ft_host)
except socket.gaierror:
self.dispatch('ERROR', (_('Wrong host'), _('The host %s you configured as the ft_add_hosts_to_send advanced option is not valid, so ignored.') % ft_host))
listener = gajim.socks5queue.start_listener(port,
sha_str, self._result_socks5_sid, file_props['sid'])
if listener is None:
file_props['error'] = -5
self.dispatch('FILE_REQUEST_ERROR', (unicode(receiver), file_props,
''))
self._connect_error(unicode(receiver), file_props['sid'],
file_props['sid'], code = 406)
return
iq = common.xmpp.Protocol(name = 'iq', to = unicode(receiver),
typ = 'set')
file_props['request-id'] = 'id_' + file_props['sid']
iq.setID(file_props['request-id'])
query = iq.setTag('query')
query.setNamespace(common.xmpp.NS_BYTESTREAM)
query.setAttr('mode', 'tcp')
query.setAttr('sid', file_props['sid'])
for ft_host in ft_add_hosts:
# The streamhost, if set
ostreamhost = common.xmpp.Node(tag = 'streamhost')
query.addChild(node = ostreamhost)
ostreamhost.setAttr('port', unicode(port))
ostreamhost.setAttr('host', ft_host)
ostreamhost.setAttr('jid', sender)
for thehost in self.peerhost:
thehost = self.peerhost[0]
streamhost = common.xmpp.Node(tag = 'streamhost') # My IP
query.addChild(node = streamhost)
streamhost.setAttr('port', unicode(port))
streamhost.setAttr('host', thehost)
streamhost.setAttr('jid', sender)
self.connection.send(iq)
def send_file_request(self, file_props):
''' send iq for new FT request '''
if not self.connection or self.connected < 2:
return
our_jid = gajim.get_jid_from_account(self.name)
frm = our_jid
file_props['sender'] = frm
fjid = file_props['receiver'].jid
iq = common.xmpp.Protocol(name = 'iq', to = fjid,
typ = 'set')
iq.setID(file_props['sid'])
self.files_props[file_props['sid']] = file_props
si = iq.setTag('si')
si.setNamespace(common.xmpp.NS_SI)
si.setAttr('profile', common.xmpp.NS_FILE)
si.setAttr('id', file_props['sid'])
file_tag = si.setTag('file')
file_tag.setNamespace(common.xmpp.NS_FILE)
file_tag.setAttr('name', file_props['name'])
file_tag.setAttr('size', file_props['size'])
desc = file_tag.setTag('desc')
if 'desc' in file_props:
desc.setData(file_props['desc'])
file_tag.setTag('range')
feature = si.setTag('feature')
feature.setNamespace(common.xmpp.NS_FEATURE)
_feature = common.xmpp.DataForm(typ='form')
feature.addChild(node=_feature)
field = _feature.setField('stream-method')
field.setAttr('type', 'list-single')
field.addOption(common.xmpp.NS_BYTESTREAM)
self.connection.send(iq)
def _bytestreamSetCB(self, con, iq_obj):
gajim.log.debug('_bytestreamSetCB')
target = unicode(iq_obj.getAttr('to'))
id = unicode(iq_obj.getAttr('id'))
query = iq_obj.getTag('query')
sid = unicode(query.getAttr('sid'))
file_props = gajim.socks5queue.get_file_props(
self.name, sid)
streamhosts=[]
for item in query.getChildren():
if item.getName() == 'streamhost':
host_dict={
'state': 0,
'target': target,
'id': id,
'sid': sid,
'initiator': unicode(iq_obj.getFrom())
}
for attr in item.getAttrs():
host_dict[attr] = item.getAttr(attr)
streamhosts.append(host_dict)
if file_props is None:
if sid in self.files_props:
file_props = self.files_props[sid]
file_props['fast'] = streamhosts
if file_props['type'] == 's':
if 'streamhosts' in file_props:
file_props['streamhosts'].extend(streamhosts)
else:
file_props['streamhosts'] = streamhosts
if not gajim.socks5queue.get_file_props(self.name, sid):
gajim.socks5queue.add_file_props(self.name, file_props)
gajim.socks5queue.connect_to_hosts(self.name, sid,
self.send_success_connect_reply, None)
raise common.xmpp.NodeProcessed
file_props['streamhosts'] = streamhosts
if file_props['type'] == 'r':
gajim.socks5queue.connect_to_hosts(self.name, sid,
self.send_success_connect_reply, self._connect_error)
raise common.xmpp.NodeProcessed
def _ResultCB(self, con, iq_obj):
gajim.log.debug('_ResultCB')
# if we want to respect jep-0065 we have to check for proxy
# activation result in any result iq
real_id = unicode(iq_obj.getAttr('id'))
if not real_id.startswith('au_'):
return
frm = unicode(iq_obj.getFrom())
id = real_id[3:]
if id in self.files_props:
file_props = self.files_props[id]
if file_props['streamhost-used']:
for host in file_props['proxyhosts']:
if host['initiator'] == frm and 'idx' in host:
gajim.socks5queue.activate_proxy(host['idx'])
raise common.xmpp.NodeProcessed
def _bytestreamResultCB(self, con, iq_obj):
gajim.log.debug('_bytestreamResultCB')
frm = unicode(iq_obj.getFrom())
real_id = unicode(iq_obj.getAttr('id'))
query = iq_obj.getTag('query')
gajim.proxy65_manager.resolve_result(frm, query)
try:
streamhost = query.getTag('streamhost-used')
except Exception: # this bytestream result is not what we need
pass
id = real_id[3:]
if id in self.files_props:
file_props = self.files_props[id]
else:
raise common.xmpp.NodeProcessed
if streamhost is None:
# proxy approves the activate query
if real_id.startswith('au_'):
id = real_id[3:]
if 'streamhost-used' not in file_props or \
file_props['streamhost-used'] is False:
raise common.xmpp.NodeProcessed
if 'proxyhosts' not in file_props:
raise common.xmpp.NodeProcessed
for host in file_props['proxyhosts']:
if host['initiator'] == frm and \
unicode(query.getAttr('sid')) == file_props['sid']:
gajim.socks5queue.activate_proxy(host['idx'])
break
raise common.xmpp.NodeProcessed
jid = streamhost.getAttr('jid')
if 'streamhost-used' in file_props and \
file_props['streamhost-used'] is True:
raise common.xmpp.NodeProcessed
if real_id.startswith('au_'):
gajim.socks5queue.send_file(file_props, self.name)
raise common.xmpp.NodeProcessed
proxy = None
if 'proxyhosts' in file_props:
for proxyhost in file_props['proxyhosts']:
if proxyhost['jid'] == jid:
proxy = proxyhost
if proxy is not None:
file_props['streamhost-used'] = True
if 'streamhosts' not in file_props:
file_props['streamhosts'] = []
file_props['streamhosts'].append(proxy)
file_props['is_a_proxy'] = True
receiver = socks5.Socks5Receiver(gajim.idlequeue, proxy, file_props['sid'], file_props)
gajim.socks5queue.add_receiver(self.name, receiver)
proxy['idx'] = receiver.queue_idx
gajim.socks5queue.on_success = self._proxy_auth_ok
raise common.xmpp.NodeProcessed
else:
gajim.socks5queue.send_file(file_props, self.name)
if 'fast' in file_props:
fasts = file_props['fast']
if len(fasts) > 0:
self._connect_error(frm, fasts[0]['id'], file_props['sid'],
code = 406)
raise common.xmpp.NodeProcessed
def _siResultCB(self, con, iq_obj):
gajim.log.debug('_siResultCB')
self.peerhost = con._owner.Connection._sock.getsockname()
id = iq_obj.getAttr('id')
if id not in self.files_props:
# no such jid
return
file_props = self.files_props[id]
if file_props is None:
# file properties for jid is none
return
if 'request-id' in file_props:
# we have already sent streamhosts info
return
file_props['receiver'] = unicode(iq_obj.getFrom())
si = iq_obj.getTag('si')
file_tag = si.getTag('file')
range_tag = None
if file_tag:
range_tag = file_tag.getTag('range')
if range_tag:
offset = range_tag.getAttr('offset')
if offset:
file_props['offset'] = int(offset)
length = range_tag.getAttr('length')
if length:
file_props['length'] = int(length)
feature = si.setTag('feature')
if feature.getNamespace() != common.xmpp.NS_FEATURE:
return
form_tag = feature.getTag('x')
form = common.xmpp.DataForm(node=form_tag)
field = form.getField('stream-method')
if field.getValue() != common.xmpp.NS_BYTESTREAM:
return
self.send_socks5_info(file_props, fast = True)
raise common.xmpp.NodeProcessed
def _siSetCB(self, con, iq_obj):
gajim.log.debug('_siSetCB')
jid = unicode(iq_obj.getFrom())
si = iq_obj.getTag('si')
profile = si.getAttr('profile')
mime_type = si.getAttr('mime-type')
if profile != common.xmpp.NS_FILE:
return
file_tag = si.getTag('file')
file_props = {'type': 'r'}
for attribute in file_tag.getAttrs():
if attribute in ('name', 'size', 'hash', 'date'):
val = file_tag.getAttr(attribute)
if val is None:
continue
file_props[attribute] = val
file_desc_tag = file_tag.getTag('desc')
if file_desc_tag is not None:
file_props['desc'] = file_desc_tag.getData()
if mime_type is not None:
file_props['mime-type'] = mime_type
our_jid = gajim.get_jid_from_account(self.name)
file_props['receiver'] = our_jid
file_props['sender'] = unicode(iq_obj.getFrom())
file_props['request-id'] = unicode(iq_obj.getAttr('id'))
file_props['sid'] = unicode(si.getAttr('id'))
file_props['transfered_size'] = []
gajim.socks5queue.add_file_props(self.name, file_props)
self.dispatch('FILE_REQUEST', (jid, file_props))
raise common.xmpp.NodeProcessed
def _siErrorCB(self, con, iq_obj):
gajim.log.debug('_siErrorCB')
si = iq_obj.getTag('si')
profile = si.getAttr('profile')
if profile != common.xmpp.NS_FILE:
return
id = iq_obj.getAttr('id')
if id not in self.files_props:
# no such jid
return
file_props = self.files_props[id]
if file_props is None:
# file properties for jid is none
return
jid = unicode(iq_obj.getFrom())
file_props['error'] = -3
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestream, connection_handlers.ConnectionHandlersBase):
def __init__(self):
ConnectionVcard.__init__(self)
ConnectionBytestream.__init__(self)
connection_handlers.ConnectionHandlersBase.__init__(self)
try:
idle.init()
except Exception:
HAS_IDLE = False
def _messageCB(self, ip, con, msg):
'''Called when we receive a message'''
gajim.log.debug('Zeroconf MessageCB')
frm = msg.getFrom()
mtype = msg.getType()
thread_id = msg.getThread()
if not mtype:
mtype = 'normal'
if frm is None:
for key in self.connection.zeroconf.contacts:
if ip == self.connection.zeroconf.contacts[key][zeroconf.C_ADDRESS]:
frm = key
frm = unicode(frm)
session = self.get_or_create_session(frm, thread_id)
if thread_id and not session.received_thread_id:
session.received_thread_id = True
if msg.getTag('feature') and msg.getTag('feature').namespace == \
common.xmpp.NS_FEATURE:
if gajim.HAVE_PYCRYPTO:
self._FeatureNegCB(con, msg, session)
return
if msg.getTag('init') and msg.getTag('init').namespace == \
common.xmpp.NS_ESESSION_INIT:
self._InitE2ECB(con, msg, session)
encrypted = False
tim = msg.getTimestamp()
tim = helpers.datetime_tuple(tim)
tim = time.localtime(timegm(tim))
if msg.getTag('c', namespace = common.xmpp.NS_STANZA_CRYPTO):
encrypted = True
try:
msg = session.decrypt_stanza(msg)
except Exception:
self.dispatch('FAILED_DECRYPT', (frm, tim))
msgtxt = msg.getBody()
subject = msg.getSubject() # if not there, it's None
# invitations
invite = None
encTag = msg.getTag('x', namespace = common.xmpp.NS_ENCRYPTED)
if not encTag:
invite = msg.getTag('x', namespace = common.xmpp.NS_MUC_USER)
if invite and not invite.getTag('invite'):
invite = None
if encTag and self.USE_GPG:
#decrypt
encmsg = encTag.getData()
keyID = gajim.config.get_per('accounts', self.name, 'keyid')
if keyID:
decmsg = self.gpg.decrypt(encmsg, keyID)
# \x00 chars are not allowed in C (so in GTK)
msgtxt = decmsg.replace('\x00', '')
encrypted = True
if mtype == 'error':
self.dispatch_error_msg(msg, msgtxt, session, frm, tim, subject)
else:
# XXX this shouldn't be hardcoded
if isinstance(session, ChatControlSession):
session.received(frm, msgtxt, tim, encrypted, msg)
else:
session.received(msg)
# END messageCB
def store_metacontacts(self, tags):
''' fake empty method '''
# serverside metacontacts are not supported with zeroconf
# (there is no server)
pass
def remove_transfers_for_contact(self, contact):
''' stop all active transfer for contact '''
pass
def remove_all_transfers(self):
''' stops and removes all active connections from the socks5 pool '''
pass
def remove_transfer(self, file_props, remove_from_list = True):
pass
# vim: se ts=3:
|