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
# file transfer initiated by a jingle session
log.info("send_file_approval: jingle session accept")
if file_props.session_type == 'jingle':
session = self.get_jingle_session(file_props.sender,
file_props.sid)
if not session:
return
content = None
for c in session.contents.values():
if c.transport.sid == file_props.transport_sid:
content = c
break
if not content:
return
if not session.accepted:
content = session.get_content('file', content.name)
if content.use_security:
fingerprint = content.x509_fingerprint
if not jingle_xtls.check_cert(
app.get_jid_without_resource(file_props.sender),
fingerprint):
id_ = jingle_xtls.send_cert_request(
self, file_props.sender)
jingle_xtls.key_exchange_pend(id_,
content.on_cert_received,
[])
return
session.approve_session()
session.approve_content('file', content.name)
return
iq = nbxmpp.Iq(to=file_props.sender, typ='result')
iq.setAttr('id', file_props.request_id)
si = iq.setTag('si', namespace=nbxmpp.NS_SI)
if file_props.offset:
file_tag = si.setTag('file', namespace=nbxmpp.NS_FILE)
range_tag = file_tag.setTag('range')
range_tag.setAttr('offset', file_props.offset)
feature = si.setTag('feature', namespace=nbxmpp.NS_FEATURE)
_feature = nbxmpp.DataForm(typ='submit')
feature.addChild(node=_feature)
field = _feature.setField('stream-method')
field.delAttr('type')
if nbxmpp.NS_BYTESTREAM in file_props.stream_methods:
field.setValue(nbxmpp.NS_BYTESTREAM)
else:
file_props.transport_sid = file_props.sid
field.setValue(nbxmpp.NS_IBB)
self.connection.send(iq)
def __on_session_accept(self, stanza, content, error, action):
log.info("__on_session_accept")
con = self.session.connection
security = content.getTag('security')
if not security: # responder can not verify our fingerprint
self.use_security = False
else:
fingerprint = security.getTag('fingerprint')
if fingerprint:
fingerprint = fingerprint.getData()
self.x509_fingerprint = fingerprint
if not jingle_xtls.check_cert(app.get_jid_without_resource(
self.session.responder), fingerprint):
id_ = jingle_xtls.send_cert_request(con,
self.session.responder)
jingle_xtls.key_exchange_pend(id_,
self.continue_session_accept,
[stanza])
raise nbxmpp.NodeProcessed
self.continue_session_accept(stanza)
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 app.account_is_connected(self._account):
return
# file transfer initiated by a jingle session
log.info("send_file_approval: jingle session accept")
session = self._con.get_module('Jingle').get_jingle_session(
file_props.sender, file_props.sid)
if not session:
return
content = None
for content_ in session.contents.values():
if content_.transport.sid == file_props.transport_sid:
content = content_
break
if not content:
return
if not session.accepted:
content = session.get_content('file', content.name)
if content.use_security:
fingerprint = content.x509_fingerprint
if not jingle_xtls.check_cert(
app.get_jid_without_resource(file_props.sender),
fingerprint):
id_ = jingle_xtls.send_cert_request(
self._con, file_props.sender)
jingle_xtls.key_exchange_pend(id_,
content.on_cert_received, [])
return
session.approve_session()
session.approve_content('file', content.name)