def handle_connect_finish(self):
if not self.flow.response:
# Do not send any response headers as it breaks proxying non-80 ports on
# Android emulators using the -http-proxy option.
self.flow.response = http.Response(
self.flow.request.data.http_version,
200,
b"Connection established",
http.Headers(),
b"",
None,
time.time(),
time.time(),
)
if 200 <= self.flow.response.status_code < 300:
self.child_layer = self.child_layer or layer.NextLayer(
self.context)
yield from self.child_layer.handle_event(events.Start())
self._handle_event = self.passthrough
yield SendHttp(
ResponseHeaders(self.stream_id, self.flow.response, True),
self.context.client)
yield SendHttp(ResponseEndOfMessage(self.stream_id),
self.context.client)
else:
yield from self.send_response()
def handle_h2_event(self, event: h2.events.Event) -> CommandGenerator[bool]:
if isinstance(event, h2.events.ResponseReceived):
if self.streams.get(event.stream_id, None) is not StreamState.EXPECTING_HEADERS:
yield from self.protocol_error(f"Received unexpected HTTP/2 response.")
return True
try:
status_code, headers = parse_h2_response_headers(event.headers)
except ValueError as e:
yield from self.protocol_error(f"Invalid HTTP/2 response headers: {e}")
return True
response = http.Response(
http_version=b"HTTP/2.0",
status_code=status_code,
reason=b"",
headers=headers,
content=None,
trailers=None,
timestamp_start=time.time(),
timestamp_end=None,
)
self.streams[event.stream_id] = StreamState.HEADERS_RECEIVED
yield ReceiveHttp(ResponseHeaders(event.stream_id, response, bool(event.stream_ended)))
return False
elif isinstance(event, h2.events.RequestReceived):
yield from self.protocol_error(f"HTTP/2 protocol error: received request from server")
return True
elif isinstance(event, h2.events.RemoteSettingsChanged):
# We have received at least one settings from now,
# which means we can rely on the max concurrency in remote_settings
self.provisional_max_concurrency = None
return (yield from super().handle_h2_event(event))
else:
return (yield from super().handle_h2_event(event))
def twebsocketflow(messages=True,
err=None,
close_code=None,
close_reason='') -> http.HTTPFlow:
flow = http.HTTPFlow(tclient_conn(), tserver_conn())
flow.request = http.Request(
"example.com",
80,
b"GET",
b"http",
b"example.com",
b"/ws",
b"HTTP/1.1",
headers=http.Headers(
connection="upgrade",
upgrade="websocket",
sec_websocket_version="13",
sec_websocket_key="1234",
),
content=b'',
trailers=None,
timestamp_start=946681200,
timestamp_end=946681201,
)
flow.response = http.Response(
b"HTTP/1.1",
101,
reason=b"Switching Protocols",
headers=http.Headers(
connection='upgrade',
upgrade='websocket',
sec_websocket_accept=b'',
),
content=b'',
trailers=None,
timestamp_start=946681202,
timestamp_end=946681203,
)
flow.websocket = twebsocket()
flow.websocket.close_reason = close_reason
if close_code is not None:
flow.websocket.close_code = close_code
else:
if err is True:
# ABNORMAL_CLOSURE
flow.websocket.close_code = 1006
else:
# NORMAL_CLOSURE
flow.websocket.close_code = 1000
flow.reply = controller.DummyReply()
return flow
def twebsocketflow(messages=True, err=None) -> http.HTTPFlow:
flow = http.HTTPFlow(tclient_conn(), tserver_conn())
flow.request = http.Request(
"example.com",
80,
b"GET",
b"http",
b"example.com",
b"/ws",
b"HTTP/1.1",
headers=http.Headers(
connection="upgrade",
upgrade="websocket",
sec_websocket_version="13",
sec_websocket_key="1234",
),
content=b'',
trailers=None,
timestamp_start=946681200,
timestamp_end=946681201,
)
flow.response = http.Response(
b"HTTP/1.1",
101,
reason=b"Switching Protocols",
headers=http.Headers(
connection='upgrade',
upgrade='websocket',
sec_websocket_accept=b'',
),
content=b'',
trailers=None,
timestamp_start=946681202,
timestamp_end=946681203,
)
flow.websocket = websocket.WebSocketData()
if messages is True:
flow.websocket.messages = [
websocket.WebSocketMessage(Opcode.BINARY, True, b"hello binary",
946681203),
websocket.WebSocketMessage(Opcode.TEXT, True, b"hello text",
946681204),
websocket.WebSocketMessage(Opcode.TEXT, False, b"it's me",
946681205),
]
if err is True:
flow.error = terr()
flow.reply = controller.DummyReply()
return flow
def twebsocketflow(client_conn=True,
server_conn=True,
messages=True,
err=None,
handshake_flow=True):
if client_conn is True:
client_conn = tclient_conn()
if server_conn is True:
server_conn = tserver_conn()
if handshake_flow is True:
req = http.Request(
"example.com",
80,
b"GET",
b"http",
b"example.com",
b"/ws",
b"HTTP/1.1",
headers=http.Headers(
connection="upgrade",
upgrade="websocket",
sec_websocket_version="13",
sec_websocket_key="1234",
),
content=b'',
trailers=None,
timestamp_start=946681200,
timestamp_end=946681201,
)
resp = http.Response(
b"HTTP/1.1",
101,
reason=status_codes.RESPONSES.get(101),
headers=http.Headers(
connection='upgrade',
upgrade='websocket',
sec_websocket_accept=b'',
),
content=b'',
trailers=None,
timestamp_start=946681202,
timestamp_end=946681203,
)
handshake_flow = http.HTTPFlow(client_conn, server_conn)
handshake_flow.request = req
handshake_flow.response = resp
f = websocket.WebSocketFlow(client_conn, server_conn, handshake_flow)
f.metadata['websocket_handshake'] = handshake_flow.id
handshake_flow.metadata['websocket_flow'] = f.id
handshake_flow.metadata['websocket'] = True
if messages is True:
messages = [
websocket.WebSocketMessage(Opcode.BINARY, True, b"hello binary"),
websocket.WebSocketMessage(Opcode.TEXT, True, b"hello text"),
websocket.WebSocketMessage(Opcode.TEXT, False, b"it's me"),
]
if err is True:
err = terr()
f.messages = messages
f.error = err
f.reply = controller.DummyReply()
return f
