def queue_packet(mk, hk, tx_harac, packet, onion_pub_key=None):
"""Create encrypted datagram."""
if onion_pub_key is None:
header = b''
queue = queues[COMMAND_DATAGRAM_HEADER]
packet = split_to_assembly_packets(packet, COMMAND)[0]
else:
header = onion_pub_key + ORIGIN_CONTACT_HEADER
queue = queues[MESSAGE_DATAGRAM_HEADER]
packet = split_to_assembly_packets(packet, MESSAGE)[0]
encrypted_harac = encrypt_and_sign(int_to_bytes(tx_harac), hk)
encrypted_message = encrypt_and_sign(packet, mk)
encrypted_packet = header + encrypted_harac + encrypted_message
queue.put((datetime.datetime.now(), encrypted_packet))
def test_long_command(self):
packet_list = split_to_assembly_packets(os.urandom(800), COMMAND)
self.assertEqual(len(packet_list), 4)
self.assertTrue(packet_list[0].startswith(C_L_HEADER))
self.assertTrue(packet_list[1].startswith(C_A_HEADER))
self.assertTrue(packet_list[2].startswith(C_A_HEADER))
self.assertTrue(packet_list[3].startswith(C_E_HEADER))
def test_long_file(self):
packet_list = split_to_assembly_packets(os.urandom(800), FILE)
self.assertEqual(len(packet_list), 4)
self.assertTrue(packet_list[0].startswith(F_L_HEADER + b'\x00\x00\x00\x00\x00\x00\x00\x04'))
self.assertTrue(packet_list[1].startswith(F_A_HEADER))
self.assertTrue(packet_list[2].startswith(F_A_HEADER))
self.assertTrue(packet_list[3].startswith(F_E_HEADER))
def test_long_message(self):
packet_list = split_to_assembly_packets(os.urandom(800), MESSAGE)
self.assertEqual(len(packet_list), 4)
self.assertTrue(packet_list[0].startswith(M_L_HEADER))
self.assertTrue(packet_list[1].startswith(M_A_HEADER))
self.assertTrue(packet_list[2].startswith(M_A_HEADER))
self.assertTrue(packet_list[3].startswith(M_E_HEADER))
def test_short_file(self):
# Setup
packets = split_to_assembly_packets(self.short_f_data, FILE)
# Test
self.assertFalse(os.path.isfile(f'{DIR_RECV_FILES}Alice/testfile.txt'))
self.assertFalse(
os.path.isfile(f'{DIR_RECV_FILES}Alice/testfile.txt.1'))
packet = Packet(self.onion_pub_key, ORIGIN_CONTACT_HEADER, FILE,
self.contact, self.settings)
packet.long_active = True
for p in packets:
packet.add_packet(p)
self.assertIsNone(
packet.assemble_and_store_file(self.ts, self.onion_pub_key,
self.window_list))
self.assertTrue(os.path.isfile(f'{DIR_RECV_FILES}Alice/testfile.txt'))
for p in packets:
packet.add_packet(p)
self.assertIsNone(
packet.assemble_and_store_file(self.ts, self.onion_pub_key,
self.window_list))
self.assertTrue(
os.path.isfile(f'{DIR_RECV_FILES}Alice/testfile.txt.1'))
def test_queue_command_normal(self):
# Setup
packet_list = split_to_assembly_packets(os.urandom(200), COMMAND)
# Test
self.assertIsNone(queue_assembly_packets(packet_list, COMMAND, *self.args))
self.assertEqual(self.queues[COMMAND_PACKET_QUEUE].qsize(), 1)
packet = self.queues[COMMAND_PACKET_QUEUE].get()
self.assertIsInstance(packet, bytes)
def test_short_file_from_user_raises_fr(self):
# Setup
packet = Packet(self.onion_pub_key, ORIGIN_USER_HEADER, FILE, self.contact, self.settings)
packets = split_to_assembly_packets(self.short_f_data, FILE)
# Test
for p in packets:
self.assert_fr("Ignored file from the user.", packet.add_packet, p)
self.assertEqual(packet.log_masking_ctr, 1)
def test_queue_command_traffic_masking(self):
# Setup
packet_list = split_to_assembly_packets(os.urandom(200), COMMAND)
self.settings.traffic_masking = True
# Test
self.assertIsNone(queue_assembly_packets(packet_list, COMMAND, *self.args))
self.assertEqual(self.queues[TM_COMMAND_PACKET_QUEUE].qsize(), 1)
data = self.queues[TM_COMMAND_PACKET_QUEUE].get()
self.assertIsInstance(data, bytes)
def test_unauthorized_file_from_contact_raises_fr(self):
# Setup
self.contact.file_reception = False
packet = Packet(self.onion_pub_key, ORIGIN_CONTACT_HEADER, FILE, self.contact, self.settings)
packets = split_to_assembly_packets(self.short_f_data, FILE)
# Test
for p in packets:
self.assert_fr("Alert! File transmission from Alice but reception is disabled.", packet.add_packet, p)
self.assertEqual(packet.log_masking_ctr, 1)
def test_queue_file_traffic_masking(self):
# Setup
packet_list = split_to_assembly_packets(os.urandom(200), FILE)
self.settings.traffic_masking = True
# Test
self.assertIsNone(queue_assembly_packets(packet_list, FILE, *self.args))
self.assertEqual(self.queues[TM_FILE_PACKET_QUEUE].qsize(), 1)
packet, log_messages, log_as_ph = self.queues[TM_FILE_PACKET_QUEUE].get()
self.assertIsInstance(packet, bytes)
self.assertTrue(log_messages)
self.assertFalse(log_as_ph)
def test_queue_message_normal(self):
# Setup
packet_list = split_to_assembly_packets(os.urandom(200), MESSAGE)
# Test
self.assertIsNone(queue_assembly_packets(packet_list, MESSAGE, *self.args))
self.assertEqual(self.queues[MESSAGE_PACKET_QUEUE].qsize(), 1)
packet, pub_key, log_setting, log_as_ph, win_uid = self.queues[MESSAGE_PACKET_QUEUE].get()
self.assertIsInstance(packet, bytes)
self.assertEqual(pub_key, nick_to_pub_key("Alice"))
self.assertEqual(win_uid, nick_to_pub_key("Alice"))
self.assertTrue(log_setting)
self.assertFalse(log_as_ph)
def test_successful_export_command(self, *_):
# Setup
self.window.type = 'contact'
self.window.uid = nick_to_pub_key('Alice')
whisper_header = b'\x00'
packet = split_to_assembly_packets(
whisper_header + PRIVATE_MESSAGE_HEADER + b'test', MESSAGE)[0]
write_log_entry(packet, nick_to_pub_key('Alice'), self.settings,
self.master_key)
# Test
for command in ['export', 'export 1']:
self.assert_fr(f"Exported log file of contact 'Alice'.",
log_command, UserInput(command), self.window,
ContactList(nicks=['Alice']), self.group_list,
self.settings, self.queues, self.master_key)
def test_successful_export_command(self, *_):
# Setup
from src.common.db_masterkey import MasterKey
self.master_key = MasterKey(operation=TX, local_test=True)
self.window.type = WIN_TYPE_CONTACT
self.window.uid = nick_to_pub_key('Alice')
whisper_header = bool_to_bytes(False)
packet = split_to_assembly_packets(
whisper_header + PRIVATE_MESSAGE_HEADER + b'test', MESSAGE)[0]
write_log_entry(packet, nick_to_pub_key('Alice'), self.settings,
self.master_key)
# Test
for command in ['export', 'export 1']:
self.assert_fr(f"Exported log file of contact 'Alice'.",
log_command, UserInput(command), self.window,
ContactList(nicks=['Alice']), self.group_list,
self.settings, self.queues, self.master_key)
def test_short_command(self):
packet_list = split_to_assembly_packets(os.urandom(50), COMMAND)
self.assertEqual(len(packet_list), 1)
self.assertTrue(packet_list[0].startswith(C_S_HEADER))
def test_short_file(self):
packet_list = split_to_assembly_packets(os.urandom(50), FILE)
self.assertEqual(len(packet_list), 1)
self.assertTrue(packet_list[0].startswith(F_S_HEADER))
def test_short_message(self):
packet_list = split_to_assembly_packets(b'Short message', MESSAGE)
self.assertEqual(len(packet_list), 1)
self.assertTrue(packet_list[0].startswith(M_S_HEADER))