Move ConnectionBytestream to common/protocols.

This commit is contained in:
Stephan Erb 2009-12-10 21:52:32 +01:00
parent f52532f6f0
commit d48202d221
3 changed files with 666 additions and 625 deletions

View File

@ -30,7 +30,6 @@
import os import os
import base64 import base64
import socket
import sys import sys
import operator import operator
import hashlib import hashlib
@ -41,7 +40,6 @@ from time import (altzone, daylight, gmtime, localtime, mktime, strftime,
from calendar import timegm from calendar import timegm
import datetime import datetime
import socks5
import common.xmpp import common.xmpp
from common import helpers from common import helpers
@ -51,6 +49,7 @@ from common.commands import ConnectionCommands
from common.pubsub import ConnectionPubSub from common.pubsub import ConnectionPubSub
from common.pep import ConnectionPEP from common.pep import ConnectionPEP
from common.protocol.caps import ConnectionCaps from common.protocol.caps import ConnectionCaps
from common.protocol.bytestream import ConnectionBytestream
import common.caps_cache as capscache import common.caps_cache as capscache
if gajim.HAVE_FARSIGHT: if gajim.HAVE_FARSIGHT:
from common.jingle import ConnectionJingle from common.jingle import ConnectionJingle
@ -84,613 +83,6 @@ except Exception:
log.debug(_('Unable to load idle module')) log.debug(_('Unable to load idle module'))
HAS_IDLE = False HAS_IDLE = False
class ConnectionBytestream:
def __init__(self):
self.files_props = {}
self.awaiting_xmpp_ping_id = None
def is_transfer_stopped(self, file_props):
if 'error' in file_props and file_props['error'] != 0:
return True
if 'completed' in file_props and file_props['completed']:
return True
if 'connected' in file_props and file_props['connected'] == False:
return True
if 'stopped' not in file_props or not file_props['stopped']:
return False
return True
def send_success_connect_reply(self, streamhost):
"""
Send reply to the initiator of FT that we made a connection
"""
if not self.connection or self.connected < 2:
return
if streamhost is None:
return None
iq = common.xmpp.Iq(to = streamhost['initiator'], typ = 'result',
frm = streamhost['target'])
iq.setAttr('id', streamhost['id'])
query = iq.setTag('query')
query.setNamespace(common.xmpp.NS_BYTESTREAM)
stream_tag = query.setTag('streamhost-used')
stream_tag.setAttr('jid', streamhost['jid'])
self.connection.send(iq)
def remove_transfers_for_contact(self, contact):
"""
Stop all active transfer for contact
"""
for file_props in self.files_props.values():
if self.is_transfer_stopped(file_props):
continue
receiver_jid = unicode(file_props['receiver'])
if contact.get_full_jid() == receiver_jid:
file_props['error'] = -5
self.remove_transfer(file_props)
self.dispatch('FILE_REQUEST_ERROR', (contact.jid, file_props, ''))
sender_jid = unicode(file_props['sender'])
if contact.get_full_jid() == sender_jid:
file_props['error'] = -3
self.remove_transfer(file_props)
def remove_all_transfers(self):
"""
Stop and remove all active connections from the socks5 pool
"""
for file_props in self.files_props.values():
self.remove_transfer(file_props, remove_from_list = False)
del(self.files_props)
self.files_props = {}
def remove_transfer(self, file_props, remove_from_list = True):
if file_props is None:
return
self.disconnect_transfer(file_props)
sid = file_props['sid']
gajim.socks5queue.remove_file_props(self.name, sid)
if remove_from_list:
if 'sid' in self.files_props:
del(self.files_props['sid'])
def disconnect_transfer(self, file_props):
if file_props is None:
return
if 'hash' in file_props:
gajim.socks5queue.remove_sender(file_props['hash'])
if 'streamhosts' in file_props:
for host in file_props['streamhosts']:
if 'idx' in host and host['idx'] > 0:
gajim.socks5queue.remove_receiver(host['idx'])
gajim.socks5queue.remove_sender(host['idx'])
def send_socks5_info(self, file_props, fast = True, receiver = None, sender
= None):
"""
Send iq for the present streamhosts and proxies
"""
if not self.connection or self.connected < 2:
return
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')
cfg_proxies = gajim.config.get_per('accounts', self.name,
'file_transfer_proxies')
if receiver is None:
receiver = file_props['receiver']
if sender is None:
sender = file_props['sender']
proxyhosts = []
if fast and cfg_proxies:
proxies = [e.strip() for e in cfg_proxies.split(',')]
default = gajim.proxy65_manager.get_default_for_name(self.name)
if default:
# add/move default proxy at top of the others
if proxies.__contains__(default):
proxies.remove(default)
proxies.insert(0, default)
for proxy in proxies:
(host, _port, jid) = gajim.proxy65_manager.get_proxy(proxy, self.name)
if host is None:
continue
host_dict={
'state': 0,
'target': unicode(receiver),
'id': file_props['sid'],
'sid': file_props['sid'],
'initiator': proxy,
'host': host,
'port': unicode(_port),
'jid': jid
}
proxyhosts.append(host_dict)
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 = [e.strip() for e in ft_add_hosts_to_send.split(',')]
for ft_host in ft_add_hosts_to_send:
ft_add_hosts.append(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', 'plain')
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)
try:
# The ip we're connected to server with
my_ips = [self.peerhost[0]]
# all IPs from local DNS
for addr in socket.getaddrinfo(socket.gethostname(), None):
if not addr[4][0] in my_ips and not addr[4][0].startswith('127'):
my_ips.append(addr[4][0])
for ip in my_ips:
streamhost = common.xmpp.Node(tag = 'streamhost')
query.addChild(node = streamhost)
streamhost.setAttr('port', unicode(port))
streamhost.setAttr('host', ip)
streamhost.setAttr('jid', sender)
except socket.gaierror:
self.dispatch('ERROR', (_('Wrong host'),
_('Invalid local address? :-O')))
if fast and proxyhosts != [] and gajim.config.get_per('accounts',
self.name, 'use_ft_proxies'):
file_props['proxy_receiver'] = unicode(receiver)
file_props['proxy_sender'] = unicode(sender)
file_props['proxyhosts'] = proxyhosts
for proxyhost in proxyhosts:
streamhost = common.xmpp.Node(tag = 'streamhost')
query.addChild(node=streamhost)
streamhost.setAttr('port', proxyhost['port'])
streamhost.setAttr('host', proxyhost['host'])
streamhost.setAttr('jid', proxyhost['jid'])
# don't add the proxy child tag for streamhosts, which are proxies
# proxy = streamhost.setTag('proxy')
# proxy.setNamespace(common.xmpp.NS_STREAM)
self.connection.send(iq)
def send_file_rejection(self, file_props, code='403', typ=None):
"""
Inform sender that we refuse to download the file
typ is used when code = '400', in this case typ can be 'strean' for
invalid stream or 'profile' for invalid profile
"""
# user response to ConfirmationDialog may come after we've disconneted
if not self.connection or self.connected < 2:
return
iq = common.xmpp.Protocol(name = 'iq',
to = unicode(file_props['sender']), typ = 'error')
iq.setAttr('id', file_props['request-id'])
if code == '400' and typ in ('stream', 'profile'):
name = 'bad-request'
text = ''
else:
name = 'forbidden'
text = 'Offer Declined'
err = common.xmpp.ErrorNode(code=code, typ='cancel', name=name, text=text)
if code == '400' and typ in ('stream', 'profile'):
if typ == 'stream':
err.setTag('no-valid-streams', namespace=common.xmpp.NS_SI)
else:
err.setTag('bad-profile', namespace=common.xmpp.NS_SI)
iq.addChild(node=err)
self.connection.send(iq)
def send_file_approval(self, file_props):
"""
Send iq, confirming that we want to download the file
"""
# user response to ConfirmationDialog may come after we've disconneted
if not self.connection or self.connected < 2:
return
iq = common.xmpp.Protocol(name = 'iq',
to = unicode(file_props['sender']), typ = 'result')
iq.setAttr('id', file_props['request-id'])
si = iq.setTag('si')
si.setNamespace(common.xmpp.NS_SI)
if 'offset' in file_props and file_props['offset']:
file_tag = si.setTag('file')
file_tag.setNamespace(common.xmpp.NS_FILE)
range_tag = file_tag.setTag('range')
range_tag.setAttr('offset', file_props['offset'])
feature = si.setTag('feature')
feature.setNamespace(common.xmpp.NS_FEATURE)
_feature = common.xmpp.DataForm(typ='submit')
feature.addChild(node=_feature)
field = _feature.setField('stream-method')
field.delAttr('type')
field.setValue(common.xmpp.NS_BYTESTREAM)
self.connection.send(iq)
def _ft_get_our_jid(self):
our_jid = gajim.get_jid_from_account(self.name)
resource = self.server_resource
return our_jid + '/' + resource
def _ft_get_receiver_jid(self, file_props):
return file_props['receiver'].jid + '/' + file_props['receiver'].resource
def send_file_request(self, file_props):
"""
Send iq for new FT request
"""
if not self.connection or self.connected < 2:
return
file_props['sender'] = self._ft_get_our_jid()
fjid = self._ft_get_receiver_jid(file_props)
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 _result_socks5_sid(self, sid, hash_id):
"""
Store the result of SHA message from auth
"""
if sid not in self.files_props:
return
file_props = self.files_props[sid]
file_props['hash'] = hash_id
return
def _connect_error(self, to, _id, sid, code=404):
"""
Called when there is an error establishing BS connection, or when
connection is rejected
"""
if not self.connection or self.connected < 2:
return
msg_dict = {
404: 'Could not connect to given hosts',
405: 'Cancel',
406: 'Not acceptable',
}
msg = msg_dict[code]
iq = None
iq = common.xmpp.Protocol(name = 'iq', to = to,
typ = 'error')
iq.setAttr('id', _id)
err = iq.setTag('error')
err.setAttr('code', unicode(code))
err.setData(msg)
self.connection.send(iq)
if code == 404:
file_props = gajim.socks5queue.get_file_props(self.name, sid)
if file_props is not None:
self.disconnect_transfer(file_props)
file_props['error'] = -3
self.dispatch('FILE_REQUEST_ERROR', (to, file_props, msg))
def _proxy_auth_ok(self, proxy):
"""
Called after authentication to proxy server
"""
if not self.connection or self.connected < 2:
return
file_props = self.files_props[proxy['sid']]
iq = common.xmpp.Protocol(name = 'iq', to = proxy['initiator'],
typ = 'set')
auth_id = "au_" + proxy['sid']
iq.setID(auth_id)
query = iq.setTag('query')
query.setNamespace(common.xmpp.NS_BYTESTREAM)
query.setAttr('sid', proxy['sid'])
activate = query.setTag('activate')
activate.setData(file_props['proxy_receiver'])
iq.setID(auth_id)
self.connection.send(iq)
# register xmpppy handlers for bytestream and FT stanzas
def _bytestreamErrorCB(self, con, iq_obj):
log.debug('_bytestreamErrorCB')
id_ = unicode(iq_obj.getAttr('id'))
frm = helpers.get_full_jid_from_iq(iq_obj)
query = iq_obj.getTag('query')
gajim.proxy65_manager.error_cb(frm, query)
jid = helpers.get_jid_from_iq(iq_obj)
id_ = id_[3:]
if id_ not in self.files_props:
return
file_props = self.files_props[id_]
file_props['error'] = -4
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
def _ft_get_from(self, iq_obj):
return helpers.get_full_jid_from_iq(iq_obj)
def _bytestreamSetCB(self, con, iq_obj):
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': self._ft_get_from(iq_obj)
}
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': # FIXME: remove fast xmlns
# only psi do this
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):
log.debug('_ResultCB')
# if we want to respect xep-0065 we have to check for proxy
# activation result in any result iq
real_id = unicode(iq_obj.getAttr('id'))
if real_id == self.awaiting_xmpp_ping_id:
self.awaiting_xmpp_ping_id = None
return
if not real_id.startswith('au_'):
return
frm = self._ft_get_from(iq_obj)
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 _ft_get_streamhost_jid_attr(self, streamhost):
return helpers.parse_jid(streamhost.getAttr('jid'))
def _bytestreamResultCB(self, con, iq_obj):
log.debug('_bytestreamResultCB')
frm = self._ft_get_from(iq_obj)
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_'):
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 = self._ft_get_streamhost_jid_attr(streamhost)
if 'streamhost-used' in file_props and \
file_props['streamhost-used'] is True:
raise common.xmpp.NodeProcessed
if real_id.startswith('au_'):
if 'stopped' in file and file_props['stopped']:
self.remove_transfer(file_props)
else:
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:
if 'stopped' in file_props and file_props['stopped']:
self.remove_transfer(file_props)
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):
log.debug('_siResultCB')
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'] = self._ft_get_from(iq_obj)
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):
log.debug('_siSetCB')
jid = self._ft_get_from(iq_obj)
file_props = {'type': 'r'}
file_props['sender'] = jid
file_props['request-id'] = unicode(iq_obj.getAttr('id'))
si = iq_obj.getTag('si')
profile = si.getAttr('profile')
mime_type = si.getAttr('mime-type')
if profile != common.xmpp.NS_FILE:
self.send_file_rejection(file_props, code='400', typ='profile')
raise common.xmpp.NodeProcessed
feature_tag = si.getTag('feature', namespace=common.xmpp.NS_FEATURE)
if not feature_tag:
return
form_tag = feature_tag.getTag('x', namespace=common.xmpp.NS_DATA)
if not form_tag:
return
form = common.dataforms.ExtendForm(node=form_tag)
for f in form.iter_fields():
if f.var == 'stream-method' and f.type == 'list-single':
values = [o[1] for o in f.options]
if common.xmpp.NS_BYTESTREAM in values:
break
else:
self.send_file_rejection(file_props, code='400', typ='stream')
raise common.xmpp.NodeProcessed
file_tag = si.getTag('file')
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)
resource = self.server_resource
file_props['receiver'] = self._ft_get_our_jid()
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):
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 = self._ft_get_from(iq_obj)
file_props['error'] = -3
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
class ConnectionDisco: class ConnectionDisco:
""" """

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@ -0,0 +1,662 @@
# -*- coding:utf-8 -*-
## src/common/connection_handlers.py
##
## Copyright (C) 2006 Dimitur Kirov <dkirov AT gmail.com>
## Junglecow J <junglecow AT gmail.com>
## Copyright (C) 2006-2007 Tomasz Melcer <liori AT exroot.org>
## Travis Shirk <travis AT pobox.com>
## Nikos Kouremenos <kourem AT gmail.com>
## Copyright (C) 2006-2008 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2007 Julien Pivotto <roidelapluie AT gmail.com>
## Copyright (C) 2007-2008 Brendan Taylor <whateley AT gmail.com>
## Jean-Marie Traissard <jim AT lapin.org>
## Stephan Erb <steve-e AT h3c.de>
## Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
##
## 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 socket
import common.xmpp
from common import gajim
class ConnectionBytestream:
def __init__(self):
self.files_props = {}
self.awaiting_xmpp_ping_id = None
def is_transfer_stopped(self, file_props):
if 'error' in file_props and file_props['error'] != 0:
return True
if 'completed' in file_props and file_props['completed']:
return True
if 'connected' in file_props and file_props['connected'] == False:
return True
if 'stopped' not in file_props or not file_props['stopped']:
return False
return True
def send_success_connect_reply(self, streamhost):
"""
Send reply to the initiator of FT that we made a connection
"""
if not self.connection or self.connected < 2:
return
if streamhost is None:
return None
iq = common.xmpp.Iq(to = streamhost['initiator'], typ = 'result',
frm = streamhost['target'])
iq.setAttr('id', streamhost['id'])
query = iq.setTag('query')
query.setNamespace(common.xmpp.NS_BYTESTREAM)
stream_tag = query.setTag('streamhost-used')
stream_tag.setAttr('jid', streamhost['jid'])
self.connection.send(iq)
def remove_transfers_for_contact(self, contact):
"""
Stop all active transfer for contact
"""
for file_props in self.files_props.values():
if self.is_transfer_stopped(file_props):
continue
receiver_jid = unicode(file_props['receiver'])
if contact.get_full_jid() == receiver_jid:
file_props['error'] = -5
self.remove_transfer(file_props)
self.dispatch('FILE_REQUEST_ERROR', (contact.jid, file_props, ''))
sender_jid = unicode(file_props['sender'])
if contact.get_full_jid() == sender_jid:
file_props['error'] = -3
self.remove_transfer(file_props)
def remove_all_transfers(self):
"""
Stop and remove all active connections from the socks5 pool
"""
for file_props in self.files_props.values():
self.remove_transfer(file_props, remove_from_list = False)
del(self.files_props)
self.files_props = {}
def remove_transfer(self, file_props, remove_from_list = True):
if file_props is None:
return
self.disconnect_transfer(file_props)
sid = file_props['sid']
gajim.socks5queue.remove_file_props(self.name, sid)
if remove_from_list:
if 'sid' in self.files_props:
del(self.files_props['sid'])
def disconnect_transfer(self, file_props):
if file_props is None:
return
if 'hash' in file_props:
gajim.socks5queue.remove_sender(file_props['hash'])
if 'streamhosts' in file_props:
for host in file_props['streamhosts']:
if 'idx' in host and host['idx'] > 0:
gajim.socks5queue.remove_receiver(host['idx'])
gajim.socks5queue.remove_sender(host['idx'])
def send_socks5_info(self, file_props, fast = True, receiver = None, sender
= None):
"""
Send iq for the present streamhosts and proxies
"""
if not self.connection or self.connected < 2:
return
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')
cfg_proxies = gajim.config.get_per('accounts', self.name,
'file_transfer_proxies')
if receiver is None:
receiver = file_props['receiver']
if sender is None:
sender = file_props['sender']
proxyhosts = []
if fast and cfg_proxies:
proxies = [e.strip() for e in cfg_proxies.split(',')]
default = gajim.proxy65_manager.get_default_for_name(self.name)
if default:
# add/move default proxy at top of the others
if proxies.__contains__(default):
proxies.remove(default)
proxies.insert(0, default)
for proxy in proxies:
(host, _port, jid) = gajim.proxy65_manager.get_proxy(proxy, self.name)
if host is None:
continue
host_dict={
'state': 0,
'target': unicode(receiver),
'id': file_props['sid'],
'sid': file_props['sid'],
'initiator': proxy,
'host': host,
'port': unicode(_port),
'jid': jid
}
proxyhosts.append(host_dict)
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 = [e.strip() for e in ft_add_hosts_to_send.split(',')]
for ft_host in ft_add_hosts_to_send:
ft_add_hosts.append(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', 'plain')
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)
try:
# The ip we're connected to server with
my_ips = [self.peerhost[0]]
# all IPs from local DNS
for addr in socket.getaddrinfo(socket.gethostname(), None):
if not addr[4][0] in my_ips and not addr[4][0].startswith('127'):
my_ips.append(addr[4][0])
for ip in my_ips:
streamhost = common.xmpp.Node(tag = 'streamhost')
query.addChild(node = streamhost)
streamhost.setAttr('port', unicode(port))
streamhost.setAttr('host', ip)
streamhost.setAttr('jid', sender)
except socket.gaierror:
self.dispatch('ERROR', (_('Wrong host'),
_('Invalid local address? :-O')))
if fast and proxyhosts != [] and gajim.config.get_per('accounts',
self.name, 'use_ft_proxies'):
file_props['proxy_receiver'] = unicode(receiver)
file_props['proxy_sender'] = unicode(sender)
file_props['proxyhosts'] = proxyhosts
for proxyhost in proxyhosts:
streamhost = common.xmpp.Node(tag = 'streamhost')
query.addChild(node=streamhost)
streamhost.setAttr('port', proxyhost['port'])
streamhost.setAttr('host', proxyhost['host'])
streamhost.setAttr('jid', proxyhost['jid'])
# don't add the proxy child tag for streamhosts, which are proxies
# proxy = streamhost.setTag('proxy')
# proxy.setNamespace(common.xmpp.NS_STREAM)
self.connection.send(iq)
def send_file_rejection(self, file_props, code='403', typ=None):
"""
Inform sender that we refuse to download the file
typ is used when code = '400', in this case typ can be 'strean' for
invalid stream or 'profile' for invalid profile
"""
# user response to ConfirmationDialog may come after we've disconneted
if not self.connection or self.connected < 2:
return
iq = common.xmpp.Protocol(name = 'iq',
to = unicode(file_props['sender']), typ = 'error')
iq.setAttr('id', file_props['request-id'])
if code == '400' and typ in ('stream', 'profile'):
name = 'bad-request'
text = ''
else:
name = 'forbidden'
text = 'Offer Declined'
err = common.xmpp.ErrorNode(code=code, typ='cancel', name=name, text=text)
if code == '400' and typ in ('stream', 'profile'):
if typ == 'stream':
err.setTag('no-valid-streams', namespace=common.xmpp.NS_SI)
else:
err.setTag('bad-profile', namespace=common.xmpp.NS_SI)
iq.addChild(node=err)
self.connection.send(iq)
def send_file_approval(self, file_props):
"""
Send iq, confirming that we want to download the file
"""
# user response to ConfirmationDialog may come after we've disconneted
if not self.connection or self.connected < 2:
return
iq = common.xmpp.Protocol(name = 'iq',
to = unicode(file_props['sender']), typ = 'result')
iq.setAttr('id', file_props['request-id'])
si = iq.setTag('si')
si.setNamespace(common.xmpp.NS_SI)
if 'offset' in file_props and file_props['offset']:
file_tag = si.setTag('file')
file_tag.setNamespace(common.xmpp.NS_FILE)
range_tag = file_tag.setTag('range')
range_tag.setAttr('offset', file_props['offset'])
feature = si.setTag('feature')
feature.setNamespace(common.xmpp.NS_FEATURE)
_feature = common.xmpp.DataForm(typ='submit')
feature.addChild(node=_feature)
field = _feature.setField('stream-method')
field.delAttr('type')
field.setValue(common.xmpp.NS_BYTESTREAM)
self.connection.send(iq)
def _ft_get_our_jid(self):
our_jid = gajim.get_jid_from_account(self.name)
resource = self.server_resource
return our_jid + '/' + resource
def _ft_get_receiver_jid(self, file_props):
return file_props['receiver'].jid + '/' + file_props['receiver'].resource
def send_file_request(self, file_props):
"""
Send iq for new FT request
"""
if not self.connection or self.connected < 2:
return
file_props['sender'] = self._ft_get_our_jid()
fjid = self._ft_get_receiver_jid(file_props)
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 _result_socks5_sid(self, sid, hash_id):
"""
Store the result of SHA message from auth
"""
if sid not in self.files_props:
return
file_props = self.files_props[sid]
file_props['hash'] = hash_id
return
def _connect_error(self, to, _id, sid, code=404):
"""
Called when there is an error establishing BS connection, or when
connection is rejected
"""
if not self.connection or self.connected < 2:
return
msg_dict = {
404: 'Could not connect to given hosts',
405: 'Cancel',
406: 'Not acceptable',
}
msg = msg_dict[code]
iq = None
iq = common.xmpp.Protocol(name = 'iq', to = to,
typ = 'error')
iq.setAttr('id', _id)
err = iq.setTag('error')
err.setAttr('code', unicode(code))
err.setData(msg)
self.connection.send(iq)
if code == 404:
file_props = gajim.socks5queue.get_file_props(self.name, sid)
if file_props is not None:
self.disconnect_transfer(file_props)
file_props['error'] = -3
self.dispatch('FILE_REQUEST_ERROR', (to, file_props, msg))
def _proxy_auth_ok(self, proxy):
"""
Called after authentication to proxy server
"""
if not self.connection or self.connected < 2:
return
file_props = self.files_props[proxy['sid']]
iq = common.xmpp.Protocol(name = 'iq', to = proxy['initiator'],
typ = 'set')
auth_id = "au_" + proxy['sid']
iq.setID(auth_id)
query = iq.setTag('query')
query.setNamespace(common.xmpp.NS_BYTESTREAM)
query.setAttr('sid', proxy['sid'])
activate = query.setTag('activate')
activate.setData(file_props['proxy_receiver'])
iq.setID(auth_id)
self.connection.send(iq)
# register xmpppy handlers for bytestream and FT stanzas
def _bytestreamErrorCB(self, con, iq_obj):
log.debug('_bytestreamErrorCB')
id_ = unicode(iq_obj.getAttr('id'))
frm = helpers.get_full_jid_from_iq(iq_obj)
query = iq_obj.getTag('query')
gajim.proxy65_manager.error_cb(frm, query)
jid = helpers.get_jid_from_iq(iq_obj)
id_ = id_[3:]
if id_ not in self.files_props:
return
file_props = self.files_props[id_]
file_props['error'] = -4
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
def _ft_get_from(self, iq_obj):
return helpers.get_full_jid_from_iq(iq_obj)
def _bytestreamSetCB(self, con, iq_obj):
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': self._ft_get_from(iq_obj)
}
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': # FIXME: remove fast xmlns
# only psi do this
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):
log.debug('_ResultCB')
# if we want to respect xep-0065 we have to check for proxy
# activation result in any result iq
real_id = unicode(iq_obj.getAttr('id'))
if real_id == self.awaiting_xmpp_ping_id:
self.awaiting_xmpp_ping_id = None
return
if not real_id.startswith('au_'):
return
frm = self._ft_get_from(iq_obj)
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 _ft_get_streamhost_jid_attr(self, streamhost):
return helpers.parse_jid(streamhost.getAttr('jid'))
def _bytestreamResultCB(self, con, iq_obj):
log.debug('_bytestreamResultCB')
frm = self._ft_get_from(iq_obj)
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_'):
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 = self._ft_get_streamhost_jid_attr(streamhost)
if 'streamhost-used' in file_props and \
file_props['streamhost-used'] is True:
raise common.xmpp.NodeProcessed
if real_id.startswith('au_'):
if 'stopped' in file and file_props['stopped']:
self.remove_transfer(file_props)
else:
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:
if 'stopped' in file_props and file_props['stopped']:
self.remove_transfer(file_props)
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):
log.debug('_siResultCB')
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'] = self._ft_get_from(iq_obj)
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):
log.debug('_siSetCB')
jid = self._ft_get_from(iq_obj)
file_props = {'type': 'r'}
file_props['sender'] = jid
file_props['request-id'] = unicode(iq_obj.getAttr('id'))
si = iq_obj.getTag('si')
profile = si.getAttr('profile')
mime_type = si.getAttr('mime-type')
if profile != common.xmpp.NS_FILE:
self.send_file_rejection(file_props, code='400', typ='profile')
raise common.xmpp.NodeProcessed
feature_tag = si.getTag('feature', namespace=common.xmpp.NS_FEATURE)
if not feature_tag:
return
form_tag = feature_tag.getTag('x', namespace=common.xmpp.NS_DATA)
if not form_tag:
return
form = common.dataforms.ExtendForm(node=form_tag)
for f in form.iter_fields():
if f.var == 'stream-method' and f.type == 'list-single':
values = [o[1] for o in f.options]
if common.xmpp.NS_BYTESTREAM in values:
break
else:
self.send_file_rejection(file_props, code='400', typ='stream')
raise common.xmpp.NodeProcessed
file_tag = si.getTag('file')
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)
resource = self.server_resource
file_props['receiver'] = self._ft_get_our_jid()
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):
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 = self._ft_get_from(iq_obj)
file_props['error'] = -3
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
class ConnectionBytestreamZeroconf(ConnectionBytestream):
def _ft_get_from(self, iq_obj):
return unicode(iq_obj.getFrom())
def _ft_get_our_jid(self):
return gajim.get_jid_from_account(self.name)
def _ft_get_receiver_jid(self, file_props):
return file_props['receiver'].jid
def _ft_get_streamhost_jid_attr(self, streamhost):
return streamhost.getAttr('jid')
# vim: se ts=3:

View File

@ -28,7 +28,6 @@ import socket
from calendar import timegm from calendar import timegm
from common import socks5
import common.xmpp import common.xmpp
from common import helpers from common import helpers
@ -36,6 +35,7 @@ from common import gajim
from common.zeroconf import zeroconf from common.zeroconf import zeroconf
from common.commands import ConnectionCommands from common.commands import ConnectionCommands
from common.pep import ConnectionPEP from common.pep import ConnectionPEP
from common.protocol.bytestream import ConnectionBytestreamZeroconf
import logging import logging
log = logging.getLogger('gajim.c.z.connection_handlers_zeroconf') log = logging.getLogger('gajim.c.z.connection_handlers_zeroconf')
@ -69,25 +69,12 @@ class ConnectionVcard(connection_handlers.ConnectionVcard):
def send_vcard(self, vcard): def send_vcard(self, vcard):
pass pass
class ConnectionBytestream(connection_handlers.ConnectionBytestream):
def _ft_get_from(self, iq_obj):
return unicode(iq_obj.getFrom())
def _ft_get_our_jid(self): class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestreamZeroconf,
return gajim.get_jid_from_account(self.name)
def _ft_get_receiver_jid(self, file_props):
return file_props['receiver'].jid
def _ft_get_streamhost_jid_attr(self, streamhost):
return streamhost.getAttr('jid')
class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestream,
ConnectionCommands, ConnectionPEP, connection_handlers.ConnectionHandlersBase): ConnectionCommands, ConnectionPEP, connection_handlers.ConnectionHandlersBase):
def __init__(self): def __init__(self):
ConnectionVcard.__init__(self) ConnectionVcard.__init__(self)
ConnectionBytestream.__init__(self) ConnectionBytestreamZeroconf.__init__(self)
ConnectionCommands.__init__(self) ConnectionCommands.__init__(self)
connection_handlers.ConnectionHandlersBase.__init__(self) connection_handlers.ConnectionHandlersBase.__init__(self)