def process_data(self, data):
# Parse incoming data
data = self.replace_non_character(data)
if self._client.is_websocket:
stanza = Node(node=data)
if is_websocket_stream_error(stanza):
for tag in stanza.getChildren():
name = tag.getName()
if (name != 'text'
and tag.getNamespace() == Namespace.XMPP_STREAMS):
self._websocket_stream_error = name
elif is_websocket_close(stanza):
self._log.info('Stream <close> received')
self.notify('stream-end', self._websocket_stream_error)
return
self.dispatch(stanza)
return
try:
self._parser.Parse(data)
except (ExpatError, ValueError) as error:
self._log.error('XML parsing error: %s', error)
self.notify('parsing-error', error)
return
# end stream:stream tag received
if self._parser.has_received_endtag():
self._log.info('End of stream: %s', self._parser.streamError)
self.notify('stream-end', self._parser.streamError)
return
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
add_children(node, 'surname', self.surname)
add_children(node, 'given', self.given)
add_children(node, 'additional', self.additional)
add_children(node, 'prefix', self.prefix)
add_children(node, 'suffix', self.suffix)
return node
def to_node(self):
vcard = Node(f'{Namespace.VCARD4} vcard')
for group, props in self._properties:
if group is None:
vcard.addChild(node=props.to_node())
else:
group = Node(group)
for prop in props:
group.addChild(node=prop.to_node())
vcard.addChild(node=group)
return vcard
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
add_children(node, 'pobox', self.pobox)
add_children(node, 'ext', self.ext)
add_children(node, 'street', self.street)
add_children(node, 'locality', self.locality)
add_children(node, 'region', self.region)
add_children(node, 'code', self.code)
add_children(node, 'country', self.country)
return node
def __init__(self, device_list):
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='set', attrs=attrs)
list_node = Node('list')
for device in device_list:
list_node.addChild('device').setAttr('id', device)
publish = PublishNode(NS_DEVICE_LIST, list_node)
pubsub = PubsubNode(publish)
self.addChild(node=pubsub)
def __init__(self, device_list):
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='set', attrs=attrs)
list_node = Node('list')
for device in device_list:
list_node.addChild('device').setAttr('id', device)
publish = PublishNode(NS_DEVICE_LIST, list_node)
pubsub = PubsubNode(publish)
self.addChild(node=pubsub)
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
node.addChild('sourceid', payload=self.sourceid)
node.addChild('uri', payload=self.uri)
return node
def __init__(self, device_list):
assert isinstance(device_list, list)
assert len(device_list) > 0
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='set', attrs=attrs)
list_node = Node('list', attrs={'xmlns': NS_DEVICE_LIST})
for device in device_list:
list_node.addChild('device').setAttr('id', device)
publish = PublishNode(NS_DEVICE_LIST, list_node)
pubsub = PubsubNode(publish)
self.addChild(node=pubsub)
def __init__(self, device_list):
assert isinstance(device_list, list)
assert len(device_list) > 0
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='set', attrs=attrs)
list_node = Node('list', attrs={'xmlns': NS_OMEMO})
for device in device_list:
list_node.addChild('device').setAttr('id', device)
publish = PublishNode(NS_DEVICE_LIST, list_node)
pubsub = PubsubNode(publish)
self.addChild(node=pubsub)
def _make_delete(jid):
return Iq('set',
Namespace.ROSTER,
payload=[Node('item', {
'jid': jid,
'subscription': 'remove'
})])
def make_cancel_config_request(room_jid):
cancel = Node(tag='x', attrs={'xmlns': Namespace.DATA, 'type': 'cancel'})
iq = Iq(typ='set',
queryNS=Namespace.MUC_OWNER,
payload=cancel,
to=room_jid)
return iq
def __init__(self, contact_jid, device_id):
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='get', attrs=attrs, to=contact_jid)
items = Node('items', attrs={'node': NS_BUNDLES + str(device_id)})
pubsub = PubsubNode(items)
self.addChild(node=pubsub)
def __init__(self, contact_jid,):
id_ = gajim.get_an_id()
attrs = {'id': id_}
Iq.__init__(self, typ='get', attrs=attrs, to=contact_jid)
items = Node('items', attrs={'node': NS_DEVICE_LIST, 'max_items': 1})
pubsub = PubsubNode(items)
self.addChild(node=pubsub)
def handle_outgoing_stanza(self, event):
try:
if not event.msg_iq.getTag('body'):
return
account = event.conn.name
state = self.get_omemo_state(account)
full_jid = str(event.msg_iq.getAttr('to'))
to_jid = gajim.get_jid_without_resource(full_jid)
if not state.encryption.is_active(to_jid):
return
# Delete previous Message out of Correction Message Stanza
if event.msg_iq.getTag('replace', namespace=NS_CORRECT):
event.msg_iq.delChild('encrypted')
plaintext = event.msg_iq.getBody().encode('utf8')
msg_dict = state.create_msg(gajim.get_jid_from_account(account),
to_jid, plaintext)
if not msg_dict:
return True
encrypted_node = OmemoMessage(msg_dict)
event.msg_iq.delChild('body')
event.msg_iq.addChild(node=encrypted_node)
store = Node('store', attrs={'xmlns': NS_HINTS})
event.msg_iq.addChild(node=store)
self.print_msg_to_log(event.msg_iq)
except Exception as e:
log.debug(e)
return True
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
if self.sex:
node.addChild('sex', payload=self.sex)
if self.identity:
node.addChild('identity', payload=self.identity)
return node
def __init__(self, msg_dict):
# , contact_jid, key, iv, payload, dev_id, my_dev_id):
Node.__init__(self, 'encrypted', attrs={'xmlns': NS_OMEMO})
header = Node('header', attrs={'sid': msg_dict['sid']})
for rid, key in msg_dict['keys'].items():
header.addChild('key', attrs={'rid': rid}).addData(b64encode(key))
header.addChild('iv').addData(b64encode(msg_dict['iv']))
self.addChild(node=header)
self.addChild('payload').addData(b64encode(msg_dict['payload']))
def make_bundle_node(self, state_bundle):
result = Node('bundle', attrs={'xmlns': NS_OMEMO})
prekey_pub_node = result.addChild(
'signedPreKeyPublic',
attrs={'signedPreKeyId': state_bundle['signedPreKeyId']})
prekey_pub_node.addData(state_bundle['signedPreKeyPublic'])
prekey_sig_node = result.addChild('signedPreKeySignature')
prekey_sig_node.addData(state_bundle['signedPreKeySignature'])
identity_key_node = result.addChild('identityKey')
identity_key_node.addData(state_bundle['identityKey'])
prekeys = result.addChild('prekeys')
for key in state_bundle['prekeys']:
prekeys.addChild('preKeyPublic',
attrs={'preKeyId': key[0]}).addData(key[1])
return result
def to_node(self):
displaymarking = Node(tag='displaymarking')
if self.fgcolor and self.fgcolor != '#000':
displaymarking.setAttr('fgcolor', self.fgcolor)
if self.bgcolor and self.bgcolor != '#FFF':
displaymarking.setAttr('bgcolor', self.bgcolor)
if self.name:
displaymarking.setData(self.name)
return displaymarking
def send_enable(self):
if not self.sm_supported:
return
if self._client.sm_disabled:
return
enable = Node(Namespace.STREAM_MGMT + ' enable',
attrs={'resume': 'true'})
self._client.send_nonza(enable, now=False)
self._log.debug('Send enable')
self._enable_sent = True
def __init__(self, msg_dict):
# , contact_jid, key, iv, payload, dev_id, my_dev_id):
Node.__init__(self, 'encrypted', attrs={'xmlns': NS_OMEMO})
header = Node('header', attrs={'sid': msg_dict['sid']})
for rid, key in msg_dict['keys'].items():
header.addChild('key', attrs={'rid': rid}).addData(b64encode(key))
header.addChild('iv').addData(b64encode(msg_dict['iv']))
self.addChild(node=header)
self.addChild('payload').addData(b64encode(msg_dict['payload']))
def to_node(self):
security = Node(tag='securitylabel',
attrs={'xmlns': Namespace.SECLABEL})
if self.displaymarking is not None:
security.addChild(node=self.displaymarking.to_node())
security.addChild(node=self.label)
return security
def resume_request(self):
if self._session_id is None:
self._log.error('Attempted to resume without a valid session id')
return
# Save old messages in an extra "queue" to avoid race conditions
# and to make it possible to replay stanzas even when resuming fails
# Add messages here (instead of overwriting) so that repeated
# connection errors don't delete unacked stanzas
# (uqueue should be empty in this case anyways)
self._old_uqueue += self._uqueue
self._uqueue = []
resume = Node(Namespace.STREAM_MGMT + ' resume',
attrs={
'h': self._in_h,
'previd': self._session_id
})
self._acked_h = self._in_h
self.resume_in_progress = True
self._client.send_nonza(resume, now=False)
def to_node(self):
vcard = Node(tag='vCard', attrs={'xmlns': Namespace.VCARD})
for i in self.data:
if i == 'jid':
continue
if isinstance(self.data[i], dict):
child = vcard.addChild(i)
for j in self.data[i]:
child.addChild(j).setData(self.data[i][j])
elif isinstance(self.data[i], list):
for j in self.data[i]:
child = vcard.addChild(i)
for k in j:
child.addChild(k).setData(j[k])
else:
vcard.addChild(i).setData(self.data[i])
return vcard
def make_bundle_node(self, state_bundle):
result = Node('bundle', attrs={'xmlns': NS_OMEMO})
prekey_pub_node = result.addChild(
'signedPreKeyPublic',
attrs={'signedPreKeyId': state_bundle['signedPreKeyId']})
prekey_pub_node.addData(state_bundle['signedPreKeyPublic'])
prekey_sig_node = result.addChild('signedPreKeySignature')
prekey_sig_node.addData(state_bundle['signedPreKeySignature'])
identity_key_node = result.addChild('identityKey')
identity_key_node.addData(state_bundle['identityKey'])
prekeys = result.addChild('prekeys')
for key in state_bundle['prekeys']:
prekeys.addChild('preKeyPublic',
attrs={'preKeyId': key[0]}).addData(key[1])
return result
def handle_outgoing_gc_stanza(self, event):
""" Manipulates the outgoing groupchat stanza
The body is getting encrypted
Parameters
----------
event : StanzaMessageOutgoingEvent
Returns
-------
Return if encryption is not activated or any other
exception or error occurs
"""
account = event.conn.name
if account in self.disabled_accounts:
return
try:
# If we send a correction msg, the stanza is saved
# in correction_msg
if event.correction_msg:
event.msg_iq = event.correction_msg
if not event.msg_iq.getTag('body'):
return
state = self.get_omemo_state(account)
full_jid = str(event.msg_iq.getAttr('to'))
to_jid = gajim.get_jid_without_resource(full_jid)
if to_jid not in self.groupchat:
return
if not state.encryption.is_active(to_jid):
return
# Delete previous Message out of Correction Message Stanza
if event.msg_iq.getTag('replace', namespace=NS_CORRECT):
event.msg_iq.delChild('encrypted', attrs={'xmlns': NS_OMEMO})
plaintext = event.msg_iq.getBody()
msg_dict = state.create_gc_msg(
gajim.get_jid_from_account(account),
to_jid,
plaintext.encode('utf8'))
if not msg_dict:
return True
self.gc_message[msg_dict['payload']] = plaintext
encrypted_node = OmemoMessage(msg_dict)
event.msg_iq.delChild('body')
event.msg_iq.addChild(node=encrypted_node)
# XEP-xxxx: Explicit Message Encryption
if not event.msg_iq.getTag('encrypted', attrs={'xmlns': NS_EME}):
eme_node = Node('encrypted', attrs={'xmlns': NS_EME,
'name': 'OMEMO',
'namespace': NS_OMEMO})
event.msg_iq.addChild(node=eme_node)
# Add Message for devices that dont support OMEMO
support_msg = 'You received a message encrypted with ' \
'OMEMO but your client doesnt support OMEMO.'
event.msg_iq.setBody(support_msg)
# Store Hint for MAM
store = Node('store', attrs={'xmlns': NS_HINTS})
event.msg_iq.addChild(node=store)
if event.correction_msg:
event.correction_msg = event.msg_iq
event.msg_iq = None
self.print_msg_to_log(event.correction_msg)
else:
self.print_msg_to_log(event.msg_iq)
except Exception as e:
log.debug(e)
return True
def __init__(self, data):
assert data is Node
Node.__init__(self, tag='pubsub', attrs={'xmlns': NS_PUBSUB})
self.addChild(node=data)
def __init__(self, data):
assert isinstance(data, Node)
Node.__init__(self, tag='pubsub', attrs={'xmlns': NS_PUBSUB})
self.addChild(node=data)
def handle_outgoing_stanza(self, event):
""" Manipulates the outgoing stanza
The body is getting encrypted
Parameters
----------
event : StanzaMessageOutgoingEvent
Returns
-------
Return if encryption is not activated or any other
exception or error occurs
"""
account = event.conn.name
if account in self.disabled_accounts:
return
try:
if not event.msg_iq.getTag('body'):
return
state = self.get_omemo_state(account)
full_jid = str(event.msg_iq.getAttr('to'))
to_jid = gajim.get_jid_without_resource(full_jid)
if not state.encryption.is_active(to_jid):
return
# Delete previous Message out of Correction Message Stanza
if event.msg_iq.getTag('replace', namespace=NS_CORRECT):
event.msg_iq.delChild('encrypted', attrs={'xmlns': NS_OMEMO})
plaintext = event.msg_iq.getBody().encode('utf8')
msg_dict = state.create_msg(
gajim.get_jid_from_account(account), to_jid, plaintext)
if not msg_dict:
return True
encrypted_node = OmemoMessage(msg_dict)
# Check if non-OMEMO resource is online
contacts = gajim.contacts.get_contacts(account, to_jid)
non_omemo_resource_online = False
for contact in contacts:
if contact.show == 'offline':
continue
if not contact.supports(NS_NOTIFY):
log.debug(contact.get_full_jid() +
' => Contact doesnt support OMEMO, '
'adding Info Message to Body')
support_msg = 'You received a message encrypted with ' \
'OMEMO but your client doesnt support OMEMO.'
event.msg_iq.setBody(support_msg)
non_omemo_resource_online = True
if not non_omemo_resource_online:
event.msg_iq.delChild('body')
event.msg_iq.addChild(node=encrypted_node)
# XEP-xxxx: Explicit Message Encryption
if not event.msg_iq.getTag('encrypted', attrs={'xmlns': NS_EME}):
eme_node = Node('encrypted', attrs={'xmlns': NS_EME,
'name': 'OMEMO',
'namespace': NS_OMEMO})
event.msg_iq.addChild(node=eme_node)
# Store Hint for MAM
store = Node('store', attrs={'xmlns': NS_HINTS})
event.msg_iq.addChild(node=store)
self.print_msg_to_log(event.msg_iq)
except Exception as e:
log.debug(e)
return True
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
node.addChild('language-tag', payload=self.value)
return node
def __init__(self, node_str, data):
assert node_str is not None and isinstance(data, Node)
Node.__init__(self, tag='publish', attrs={'node': node_str})
self.addChild('item').addChild(node=data)
def _send_ack(self, *args):
ack = Node(Namespace.STREAM_MGMT + ' a', attrs={'h': self._in_h})
self._acked_h = self._in_h
self._log.debug('Send ack, h: %s', self._in_h)
self._client.send_nonza(ack, now=False)
def _request_ack(self):
request = Node(Namespace.STREAM_MGMT + ' r')
self._log.debug('Request ack')
self._client.send_nonza(request, now=False)
def __init__(self, data):
assert isinstance(data, Node)
Node.__init__(self, tag='pubsub', attrs={'xmlns': NS_PUBSUB})
self.addChild(node=data)
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
add_children(node, 'text', self.values)
return node
def __init__(self, data):
assert data is Node
Node.__init__(self, tag='pubsub', attrs={'xmlns': NS_PUBSUB})
self.addChild(node=data)
def __init__(self, node_str, data):
assert node_str is not None and data is Node
Node.__init__(self, tag='publish', attrs={'node': node_str})
self.addChild('item').addChild(node=data)
def to_node(self):
node = Node(self.name)
if self.parameters:
node.addChild(node=make_parameters(self.parameters))
node.addChild('timestamp', payload=self.value)
return node
