1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
|
##
## 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 type(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 == 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 != 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 == 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:
|