Commit d45aaa85 authored by dkirov's avatar dkirov

FT for zeroconf

parent 109ae1a3
......@@ -13,6 +13,7 @@
## GNU General Public License for more details.
##
from common import gajim
import common.xmpp
from common.xmpp.idlequeue import IdleObject
from common.xmpp import dispatcher_nb, simplexml
from common.xmpp.client import *
......@@ -135,7 +136,7 @@ class P2PClient(IdleObject):
self.Connection = conn
self.Connection.PlugIn(self)
dispatcher_nb.Dispatcher().PlugIn(self)
self.RegisterHandler('message', self._messageCB)
self._register_handlers()
if self.sock_type == TYPE_CLIENT:
while self.messagequeue:
message = self.messagequeue.pop(0)
......@@ -206,10 +207,22 @@ class P2PClient(IdleObject):
return True
def _messageCB(self, conn, data):
self._caller._messageCB(self.Server, conn, data)
def _register_handlers(self):
self.RegisterHandler('message', lambda conn, data:self._caller._messageCB(self.Server, conn, data))
self.RegisterHandler('iq', self._caller._siSetCB, 'set',
common.xmpp.NS_SI)
self.RegisterHandler('iq', self._caller._siErrorCB, 'error',
common.xmpp.NS_SI)
self.RegisterHandler('iq', self._caller._siResultCB, 'result',
common.xmpp.NS_SI)
self.RegisterHandler('iq', self._caller._bytestreamSetCB, 'set',
common.xmpp.NS_BYTESTREAM)
self.RegisterHandler('iq', self._caller._bytestreamResultCB, 'result',
common.xmpp.NS_BYTESTREAM)
self.RegisterHandler('iq', self._caller._bytestreamErrorCB, 'error',
common.xmpp.NS_BYTESTREAM)
class P2PConnection(IdleObject, PlugIn):
''' class for sending file to socket over socks5 '''
def __init__(self, sock_hash, _sock, host = None, port = None, caller = None, on_connect = None):
......
......@@ -50,6 +50,479 @@ except:
gajim.log.debug(_('Unable to load idle module'))
HAS_IDLE = False
class ConnectionBytestream:
def __init__(self):
self.files_props = {}
def is_transfer_stoped(self, file_props):
if file_props.has_key('error') and file_props['error'] != 0:
return True
if file_props.has_key('completed') and file_props['completed']:
return True
if file_props.has_key('connected') and file_props['connected'] == False:
return True
if not file_props.has_key('stopped') 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 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_stoped(file_props):
continue
receiver_jid = unicode(file_props['receiver']).split('/')[0]
if contact.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.jid == sender_jid:
file_props['error'] = -3
self.remove_transfer(file_props)
def remove_all_transfers(self):
''' stops and removes 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 self.files_props.has_key('sid'):
del(self.files_props['sid'])
def disconnect_transfer(self, file_props):
if file_props is None:
return
if file_props.has_key('hash'):
gajim.socks5queue.remove_sender(file_props['hash'])
if file_props.has_key('streamhosts'):
for host in file_props['streamhosts']:
if host.has_key('idx') 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 type(self.peerhost) != tuple:
return
port = gajim.config.get('file_transfers_port')
ft_override_host_to_send = gajim.config.get('ft_override_host_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
if not ft_override_host_to_send:
ft_override_host_to_send = self.peerhost[0]
try:
ft_override_host_to_send = socket.gethostbyname(
ft_override_host_to_send)
except socket.gaierror:
self.dispatch('ERROR', (_('Wrong host'), _('The host you configured as the ft_override_host_to_send advanced option is not valid, so ignored.')))
ft_override_host_to_send = self.peerhost[0]
listener = gajim.socks5queue.start_listener(self.peerhost[0], 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'])
streamhost = query.setTag('streamhost')
streamhost.setAttr('port', unicode(port))
streamhost.setAttr('host', ft_override_host_to_send)
streamhost.setAttr('jid', sender)
self.connection.send(iq)
def send_file_rejection(self, file_props):
''' informs sender that we refuse 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 = 'error')
iq.setAttr('id', file_props['request-id'])
err = common.xmpp.ErrorNode(code = '403', typ = 'cancel', name =
'forbidden', text = 'Offer Declined')
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 file_props.has_key('offset') 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 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 file_props.has_key('desc'):
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 not self.files_props.has_key(sid):
return
file_props = self.files_props[sid]
file_props['hash'] = hash_id
return
def _connect_error(self, to, _id, sid, code = 404):
''' cb, when there is an error establishing BS connection, or
when connection is rejected'''
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):
'''cb, called after authentication to proxy server '''
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):
gajim.log.debug('_bytestreamErrorCB')
id = unicode(iq_obj.getAttr('id'))
frm = unicode(iq_obj.getFrom())
query = iq_obj.getTag('query')
gajim.proxy65_manager.error_cb(frm, query)
jid = unicode(iq_obj.getFrom())
id = id[3:]
if not self.files_props.has_key(id):
return
file_props = self.files_props[id]
file_props['error'] = -4
self.dispatch('FILE_REQUEST_ERROR', (jid, file_props, ''))
raise common.xmpp.NodeProcessed
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 self.files_props.has_key(sid):
file_props = self.files_props[sid]
file_props['fast'] = streamhosts
if file_props['type'] == 's':
if file_props.has_key('streamhosts'):
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 real_id[:3] != 'au_':
return
frm = unicode(iq_obj.getFrom())
id = real_id[3:]
if self.files_props.has_key(id):
file_props = self.files_props[id]
if file_props['streamhost-used']:
for host in file_props['proxyhosts']:
if host['initiator'] == frm and host.has_key('idx'):
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: # this bytestream result is not what we need
pass
id = real_id[3:]
if self.files_props.has_key(id):
file_props = self.files_props[id]
else:
raise common.xmpp.NodeProcessed
if streamhost is None:
# proxy approves the activate query
if real_id[:3] == 'au_':
id = real_id[3:]
if not file_props.has_key('streamhost-used') or \
file_props['streamhost-used'] is False:
raise common.xmpp.NodeProcessed
if not file_props.has_key('proxyhosts'):
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 file_props.has_key('streamhost-used') and \
file_props['streamhost-used'] is True:
raise common.xmpp.NodeProcessed
if real_id[:3] == 'au_':
gajim.socks5queue.send_file(file_props, self.name)
raise common.xmpp.NodeProcessed
proxy = None
if file_props.has_key('proxyhosts'):
for proxyhost in file_props['proxyhosts']:
if proxyhost['jid'] == jid:
proxy = proxyhost
if proxy != None:
file_props['streamhost-used'] = True
if not file_props.has_key('streamhosts'):
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 file_props.has_key('fast'):
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 not self.files_props.has_key(id):
# no such jid
return
file_props = self.files_props[id]
if file_props is None:
# file properties for jid is none
return
if file_props.has_key('request-id'):
# 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'))
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 not self.files_props.has_key(id):
# 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 ConnectionVcard:
def __init__(self):
self.vcard_sha = None
......@@ -212,9 +685,10 @@ class ConnectionVcard:
'''
pass
class ConnectionHandlersZeroconf(ConnectionVcard):
class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestream):
def __init__(self):
ConnectionVcard.__init__(self)
ConnectionBytestream.__init__(self)
# List of IDs we are waiting answers for {id: (type_of_request, data), }
self.awaiting_answers = {}
# List of IDs that will produce a timeout is answer doesn't arrive
......
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