mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-23 16:17:49 +00:00
91 lines
2.9 KiB
Python
91 lines
2.9 KiB
Python
from netlib import tcp
|
|
from netlib import test
|
|
from netlib.websockets import implementations as impl
|
|
from netlib.websockets import websockets as ws
|
|
import os
|
|
from nose.tools import raises
|
|
|
|
|
|
class TestWebSockets(test.ServerTestBase):
|
|
handler = impl.WebSocketsEchoHandler
|
|
|
|
def random_bytes(self, n = 100):
|
|
return os.urandom(n)
|
|
|
|
def echo(self, msg):
|
|
client = impl.WebSocketsClient(("127.0.0.1", self.port))
|
|
client.connect()
|
|
client.send_message(msg)
|
|
response = client.read_next_message()
|
|
assert response == msg
|
|
|
|
def test_simple_echo(self):
|
|
self.echo("hello I'm the client")
|
|
|
|
def test_frame_sizes(self):
|
|
# length can fit in the the 7 bit payload length
|
|
small_msg = self.random_bytes(100)
|
|
# 50kb, sligthly larger than can fit in a 7 bit int
|
|
medium_msg = self.random_bytes(50000)
|
|
# 150kb, slightly larger than can fit in a 16 bit int
|
|
large_msg = self.random_bytes(150000)
|
|
|
|
self.echo(small_msg)
|
|
self.echo(medium_msg)
|
|
self.echo(large_msg)
|
|
|
|
def test_default_builder(self):
|
|
"""
|
|
default builder should always generate valid frames
|
|
"""
|
|
msg = self.random_bytes()
|
|
client_frame = ws.Frame.default(msg, from_client = True)
|
|
assert client_frame.is_valid()
|
|
|
|
server_frame = ws.Frame.default(msg, from_client = False)
|
|
assert server_frame.is_valid()
|
|
|
|
def test_serialization_bijection(self):
|
|
"""
|
|
Ensure that various frame types can be serialized/deserialized back
|
|
and forth between to_bytes() and from_bytes()
|
|
"""
|
|
for is_client in [True, False]:
|
|
for num_bytes in [100, 50000, 150000]:
|
|
frame = ws.Frame.default(
|
|
self.random_bytes(num_bytes), is_client
|
|
)
|
|
assert frame == ws.Frame.from_bytes(frame.to_bytes())
|
|
|
|
bytes = b'\x81\x11cba'
|
|
assert ws.Frame.from_bytes(bytes).to_bytes() == bytes
|
|
|
|
@raises(ws.WebSocketFrameValidationException)
|
|
def test_safe_to_bytes(self):
|
|
frame = ws.Frame.default(self.random_bytes(8))
|
|
frame.actual_payload_length = 1 # corrupt the frame
|
|
frame.safe_to_bytes()
|
|
|
|
|
|
class BadHandshakeHandler(impl.WebSocketsEchoHandler):
|
|
def handshake(self):
|
|
client_hs = ws.read_handshake(self.rfile.read, 1)
|
|
ws.process_handshake_from_client(client_hs)
|
|
response = ws.create_server_handshake("malformed_key")
|
|
self.wfile.write(response)
|
|
self.wfile.flush()
|
|
self.handshake_done = True
|
|
|
|
|
|
class TestBadHandshake(test.ServerTestBase):
|
|
"""
|
|
Ensure that the client disconnects if the server handshake is malformed
|
|
"""
|
|
handler = BadHandshakeHandler
|
|
|
|
@raises(tcp.NetLibDisconnect)
|
|
def test(self):
|
|
client = impl.WebSocketsClient(("127.0.0.1", self.port))
|
|
client.connect()
|
|
client.send_message("hello")
|