def test_https_proxy(strategy, tctx):
"""Test a CONNECT request, followed by a HTTP GET /"""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular))
tctx.options.connection_strategy = strategy
(playbook >> DataReceived(tctx.client,
b"CONNECT example.proxy:80 HTTP/1.1\r\n\r\n") <<
http.HttpConnectHook(Placeholder()) >> reply())
if strategy == "eager":
(playbook << OpenConnection(server) >> reply(None))
(playbook << SendData(tctx.client,
b'HTTP/1.1 200 Connection established\r\n\r\n') >>
DataReceived(tctx.client,
b"GET /foo?hello=1 HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
layer.NextLayerHook(Placeholder()) >>
reply_next_layer(lambda ctx: http.HttpLayer(ctx, HTTPMode.transparent)) <<
http.HttpRequestHeadersHook(flow) >> reply() << http.HttpRequestHook(flow)
>> reply())
if strategy == "lazy":
(playbook << OpenConnection(server) >> reply(None))
(playbook << SendData(
server, b"GET /foo?hello=1 HTTP/1.1\r\nHost: example.com\r\n\r\n") >>
DataReceived(
server, b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World!")
<< http.HttpResponseHeadersHook(flow) >> reply() <<
http.HttpResponseHook(flow) >> reply() << SendData(
tctx.client,
b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World!"))
assert playbook
def test_no_data_on_closed_stream(self, tctx):
frame_factory = FrameFactory()
req = Request.make("GET", "http://example.com/")
resp = {":status": 200}
assert (
Playbook(Http2Client(tctx)) << SendData(
tctx.server,
Placeholder(bytes)) # preamble + initial settings frame
>> DataReceived(
tctx.server,
frame_factory.build_settings_frame({}, ack=True).serialize())
>> http.RequestHeaders(1, req, end_stream=True) << SendData(
tctx.server,
b"\x00\x00\x06\x01\x05\x00\x00\x00\x01\x82\x86\x84\\\x81\x07")
>> http.RequestEndOfMessage(1) >> DataReceived(
tctx.server,
frame_factory.build_headers_frame(resp).serialize()) <<
http.ReceiveHttp(Placeholder(
http.ResponseHeaders)) >> http.RequestProtocolError(
1, "cancelled", code=status_codes.CLIENT_CLOSED_REQUEST) <<
SendData(
tctx.server,
frame_factory.build_rst_stream_frame(
1, ErrorCodes.CANCEL).serialize()) >> DataReceived(
tctx.server,
frame_factory.build_data_frame(b"foo").serialize()) <<
SendData(
tctx.server,
frame_factory.build_rst_stream_frame(
1, ErrorCodes.STREAM_CLOSED).serialize())
) # important: no ResponseData event here!
def test_pipelining(tctx, transfer_encoding):
"""Test that multiple requests can be processed over the same connection"""
tctx.server.address = ("example.com", 80)
tctx.server.state = ConnectionState.OPEN
req = b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n"
if transfer_encoding == "identity":
resp = (b"HTTP/1.1 200 OK\r\n"
b"Content-Length: 12\r\n"
b"\r\n"
b"Hello World!")
else:
resp = (b"HTTP/1.1 200 OK\r\n"
b"Transfer-Encoding: chunked\r\n"
b"\r\n"
b"c\r\n"
b"Hello World!\r\n"
b"0\r\n"
b"\r\n")
assert (Playbook(http.HttpLayer(tctx, HTTPMode.transparent), hooks=False)
# Roundtrip 1
>> DataReceived(tctx.client, req) << SendData(tctx.server, req) >>
DataReceived(tctx.server, resp) << SendData(tctx.client, resp)
# Roundtrip 2
>> DataReceived(tctx.client, req) << SendData(tctx.server, req) >>
DataReceived(tctx.server, resp) << SendData(tctx.client, resp))
def test_server_unreachable(tctx, connect):
"""Test the scenario where the target server is unreachable."""
tctx.options.connection_strategy = "eager"
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
err = Placeholder(bytes)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False)
if connect:
playbook >> DataReceived(tctx.client,
b"CONNECT example.com:443 HTTP/1.1\r\n\r\n")
else:
playbook >> DataReceived(tctx.client,
b"GET http://example.com/ HTTP/1.1\r\n\r\n")
playbook << OpenConnection(server)
playbook >> reply("Connection failed")
if not connect:
# Our API isn't ideal here, there is no error hook for CONNECT requests currently.
# We could fix this either by having CONNECT request go through all our regular hooks,
# or by adding dedicated ok/error hooks.
playbook << http.HttpErrorHook(flow)
playbook >> reply()
playbook << SendData(tctx.client, err)
if not connect:
playbook << CloseConnection(tctx.client)
assert playbook
if not connect:
assert flow().error
assert b"502 Bad Gateway" in err()
assert b"Connection failed" in err()
def test_disconnect_while_intercept(tctx):
"""Test a server disconnect while a request is intercepted."""
tctx.options.connection_strategy = "eager"
server1 = Placeholder(Server)
server2 = Placeholder(Server)
flow = Placeholder(HTTPFlow)
assert (
Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False) >>
DataReceived(tctx.client, b"CONNECT example.com:80 HTTP/1.1\r\n\r\n")
<< http.HttpConnectHook(Placeholder(HTTPFlow)) >> reply() <<
OpenConnection(server1) >> reply(None) << SendData(
tctx.client,
b'HTTP/1.1 200 Connection established\r\n\r\n') >> DataReceived(
tctx.client, b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
layer.NextLayerHook(Placeholder()) >>
reply_next_layer(lambda ctx: http.HttpLayer(ctx, HTTPMode.transparent))
<< http.HttpRequestHook(flow) >> ConnectionClosed(server1) <<
CloseConnection(server1) >> reply(to=-3) << OpenConnection(server2) >>
reply(None) << SendData(
server2,
b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n") >> DataReceived(
server2, b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n") <<
SendData(tctx.client, b"HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n"))
assert server1() != server2()
assert flow().server_conn == server2()
def test_http_client_aborts(tctx, stream):
"""Test handling of the case where a client aborts during request transmission."""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=True)
def enable_streaming(flow: HTTPFlow):
flow.request.stream = True
assert (playbook >> DataReceived(
tctx.client, b"POST http://example.com/ HTTP/1.1\r\n"
b"Host: example.com\r\n"
b"Content-Length: 6\r\n"
b"\r\n"
b"abc") << http.HttpRequestHeadersHook(flow))
if stream:
assert (playbook >> reply(side_effect=enable_streaming) <<
http.HttpRequestHook(flow) >> reply() << OpenConnection(server)
>> reply(None) << SendData(
server, b"POST / HTTP/1.1\r\n"
b"Host: example.com\r\n"
b"Content-Length: 6\r\n"
b"\r\n"
b"abc"))
else:
assert playbook >> reply()
(playbook >> ConnectionClosed(tctx.client) << CloseConnection(tctx.client))
if stream:
playbook << CloseConnection(server)
assert (playbook << http.HttpErrorHook(flow) >> reply() << None)
assert "peer closed connection" in flow().error.msg
def test_h1_to_h2(tctx):
"""Test HTTP/1 -> HTTP/2 request translation"""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular))
conf = h2.config.H2Configuration(client_side=False)
conn = h2.connection.H2Connection(conf)
conn.initiate_connection()
request = Placeholder(bytes)
assert (playbook >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
http.HttpRequestHeadersHook(flow) >> reply() <<
http.HttpRequestHook(flow) >> reply() << OpenConnection(server) >>
reply(None, side_effect=make_h2) << SendData(server, request))
events = conn.receive_data(request())
assert event_types(events) == [
h2.events.RemoteSettingsChanged, h2.events.RequestReceived,
h2.events.StreamEnded
]
conn.send_headers(1, example_response_headers)
conn.send_data(1, b"Hello World!", end_stream=True)
settings_ack = Placeholder(bytes)
assert (
playbook >> DataReceived(server, conn.data_to_send()) <<
http.HttpResponseHeadersHook(flow) << SendData(server, settings_ack) >>
reply(to=-2) << http.HttpResponseHook(flow) >> reply() << SendData(
tctx.client, b"HTTP/1.1 200 OK\r\n\r\nHello World!") <<
CloseConnection(tctx.client))
assert settings_ack() == b'\x00\x00\x00\x04\x01\x00\x00\x00\x00'
def test_proxy_chain(tctx, strategy):
server = Placeholder(Server)
tctx.options.connection_strategy = strategy
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False)
playbook >> DataReceived(tctx.client,
b"CONNECT proxy:8080 HTTP/1.1\r\n\r\n")
if strategy == "eager":
playbook << OpenConnection(server)
playbook >> reply(None)
playbook << SendData(tctx.client,
b"HTTP/1.1 200 Connection established\r\n\r\n")
playbook >> DataReceived(tctx.client,
b"CONNECT second-proxy:8080 HTTP/1.1\r\n\r\n")
playbook << layer.NextLayerHook(Placeholder())
playbook >> reply_next_layer(
lambda ctx: http.HttpLayer(ctx, HTTPMode.transparent))
playbook << SendData(
tctx.client, b"HTTP/1.1 502 Bad Gateway\r\n"
b"content-length: 198\r\n"
b"\r\n"
b"mitmproxy received an HTTP CONNECT request even though it is not running in regular/upstream mode. "
b"This usually indicates a misconfiguration, please see the mitmproxy mode documentation for details."
)
assert playbook
def test_http_proxy_relative_request_no_host_header(tctx):
"""Test handling of a relative-form "GET /" in regular proxy mode, but without a host header."""
assert (Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False) >>
DataReceived(tctx.client, b"GET / HTTP/1.1\r\n\r\n") << SendData(
tctx.client, b"HTTP/1.1 400 Bad Request\r\n"
b"content-length: 53\r\n"
b"\r\n"
b"HTTP request has no host header, destination unknown."))
def test_close_during_connect_hook(tctx):
flow = Placeholder(HTTPFlow)
assert (Playbook(http.HttpLayer(tctx, HTTPMode.regular)) >> DataReceived(
tctx.client, b'CONNECT hi.ls:443 HTTP/1.1\r\n'
b'Proxy-Connection: keep-alive\r\n'
b'Connection: keep-alive\r\n'
b'Host: hi.ls:443\r\n\r\n') << http.HttpConnectHook(flow) >>
ConnectionClosed(tctx.client) << CloseConnection(
tctx.client) >> reply(to=-3))
def test_http_proxy_relative_request(tctx):
"""Test handling of a relative-form "GET /" in regular proxy mode."""
server = Placeholder(Server)
assert (Playbook(http.HttpLayer(
tctx, HTTPMode.regular), hooks=False) >> DataReceived(
tctx.client, b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n") >>
DataReceived(server, b"HTTP/1.1 204 No Content\r\n\r\n") <<
SendData(tctx.client, b"HTTP/1.1 204 No Content\r\n\r\n"))
assert server().address == ("example.com", 80)
def test_transparent_failure(tctx: Context, monkeypatch):
"""Test that we recover from a transparent mode resolve error."""
def raise_err(sock):
raise RuntimeError("platform-specific error")
monkeypatch.setattr(platform, "original_addr", raise_err)
assert (Playbook(modes.TransparentProxy(tctx), logs=True) << GetSocket(
tctx.client
) >> reply(object()) << Log(
"Transparent mode failure: RuntimeError('platform-specific error')",
"info"))
def test_no_headers(tctx):
"""Test that we can correctly reassemble requests/responses with no headers."""
server = Placeholder(Server)
assert (
Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False) >>
DataReceived(tctx.client, b"GET http://example.com/ HTTP/1.1\r\n\r\n")
<< OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\n\r\n") >> DataReceived(
server, b"HTTP/1.1 204 No Content\r\n\r\n") << SendData(
tctx.client, b"HTTP/1.1 204 No Content\r\n\r\n"))
assert server().address == ("example.com", 80)
def test_reverse_eager_connect_failure(tctx: Context):
"""
Test
client --TCP-- mitmproxy --TCP over TLS-- server
reverse proxying.
"""
tctx.options.mode = "reverse:https://localhost:8000"
tctx.options.connection_strategy = "eager"
playbook = Playbook(modes.ReverseProxy(tctx))
assert (playbook << OpenConnection(tctx.server) >> reply("IPoAC unstable")
<< CloseConnection(tctx.client) >> ConnectionClosed(tctx.client))
def start_h2_client(tctx: Context) -> Tuple[Playbook, FrameFactory]:
tctx.client.alpn = b"h2"
frame_factory = FrameFactory()
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular))
assert (
playbook << SendData(tctx.client,
Placeholder()) # initial settings frame
>> DataReceived(tctx.client, frame_factory.preamble()) >> DataReceived(
tctx.client,
frame_factory.build_settings_frame({}, ack=True).serialize()))
return playbook, frame_factory
def test_http_reply_from_proxy(tctx):
"""Test a response served by mitmproxy itself."""
def reply_from_proxy(flow: HTTPFlow):
flow.response = HTTPResponse.make(418)
assert (Playbook(http.HttpLayer(
tctx, HTTPMode.regular), hooks=False) >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n")
<< http.HttpRequestHook(Placeholder()) >>
reply(side_effect=reply_from_proxy) << SendData(
tctx.client,
b"HTTP/1.1 418 I'm a teapot\r\ncontent-length: 0\r\n\r\n"))
def test_response_until_eof(tctx):
"""Test scenario where the server response body is terminated by EOF."""
server = Placeholder(Server)
assert (Playbook(http.HttpLayer(
tctx, HTTPMode.regular), hooks=False) >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n")
<< OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n") >>
DataReceived(server, b"HTTP/1.1 200 OK\r\n\r\nfoo") >>
ConnectionClosed(server) << CloseConnection(server) << SendData(
tctx.client, b"HTTP/1.1 200 OK\r\n\r\nfoo") << CloseConnection(
tctx.client))
def test_redirect(strategy, https_server, https_client, tctx, monkeypatch):
"""Test redirects between http:// and https:// in regular proxy mode."""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
tctx.options.connection_strategy = strategy
p = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False)
if https_server:
monkeypatch.setattr(tls, "ServerTLSLayer", tls.MockTLSLayer)
def redirect(flow: HTTPFlow):
if https_server:
flow.request.url = "https://redirected.site/"
else:
flow.request.url = "http://redirected.site/"
if https_client:
p >> DataReceived(tctx.client,
b"CONNECT example.com:80 HTTP/1.1\r\n\r\n")
if strategy == "eager":
p << OpenConnection(Placeholder())
p >> reply(None)
p << SendData(tctx.client,
b'HTTP/1.1 200 Connection established\r\n\r\n')
p >> DataReceived(tctx.client,
b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n")
p << layer.NextLayerHook(Placeholder())
p >> reply_next_layer(
lambda ctx: http.HttpLayer(ctx, HTTPMode.transparent))
else:
p >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n")
p << http.HttpRequestHook(flow)
p >> reply(side_effect=redirect)
p << OpenConnection(server)
p >> reply(None)
p << SendData(server, b"GET / HTTP/1.1\r\nHost: redirected.site\r\n\r\n")
p >> DataReceived(
server, b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World!")
p << SendData(
tctx.client,
b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World!")
assert p
if https_server:
assert server().address == ("redirected.site", 443)
else:
assert server().address == ("redirected.site", 80)
def _h2_response(chunks):
tctx = context.Context(
context.Client(("client", 1234), ("127.0.0.1", 8080), 1605699329),
opts)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False)
server = Placeholder(context.Server)
assert (playbook >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
OpenConnection(server) >> reply(
None, side_effect=make_h2) << SendData(server, Placeholder()))
for chunk in chunks:
for _ in playbook.layer.handle_event(
events.DataReceived(server(), chunk)):
pass
def ws_testdata(tctx):
tctx.server.address = ("example.com", 80)
tctx.server.state = ConnectionState.OPEN
flow = HTTPFlow(tctx.client, tctx.server)
flow.request = Request.make("GET",
"http://example.com/",
headers={
"Connection": "upgrade",
"Upgrade": "websocket",
"Sec-WebSocket-Version": "13",
})
flow.response = Response.make(101,
headers={
"Connection": "upgrade",
"Upgrade": "websocket",
})
return tctx, Playbook(websocket.WebsocketLayer(tctx, flow))
def test_connection_close_header(tctx, client_close, server_close):
"""Test that we correctly close connections if we have a `Connection: close` header."""
if not client_close and not server_close:
return
server = Placeholder(Server)
assert (Playbook(http.HttpLayer(tctx, HTTPMode.regular),
hooks=False) >> DataReceived(
tctx.client, b"GET http://example/ HTTP/1.1\r\n"
b"Host: example\r\n" + client_close + b"\r\n") <<
OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\n"
b"Host: example\r\n" + client_close + b"\r\n") >> DataReceived(
server, b"HTTP/1.1 200 OK\r\n"
b"Content-Length: 0\r\n" + server_close + b"\r\n") <<
CloseConnection(server) << SendData(
tctx.client, b"HTTP/1.1 200 OK\r\n"
b"Content-Length: 0\r\n" + server_close + b"\r\n") <<
CloseConnection(tctx.client))
def test_server_aborts(tctx, data):
"""Test the scenario where the server doesn't serve a response"""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
err = Placeholder(bytes)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False)
assert (playbook >> DataReceived(
tctx.client,
b"GET http://example.com/ HTTP/1.1\r\nHost: example.com\r\n\r\n") <<
OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\nHost: example.com\r\n\r\n"))
if data:
playbook >> DataReceived(server, data)
assert (playbook >> ConnectionClosed(server) << CloseConnection(server)
<< http.HttpErrorHook(flow) >> reply() << SendData(
tctx.client, err) << CloseConnection(tctx.client))
assert flow().error
assert b"502 Bad Gateway" in err()
def h2_client(tctx: Context) -> Tuple[h2.connection.H2Connection, Playbook]:
tctx.client.alpn = b"h2"
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular))
conn = h2.connection.H2Connection()
conn.initiate_connection()
server_preamble = Placeholder(bytes)
assert (playbook << SendData(tctx.client, server_preamble))
assert event_types(conn.receive_data(
server_preamble())) == [h2.events.RemoteSettingsChanged]
settings_ack = Placeholder(bytes)
assert (playbook >> DataReceived(tctx.client, conn.data_to_send()) <<
SendData(tctx.client, settings_ack))
assert event_types(conn.receive_data(
settings_ack())) == [h2.events.SettingsAcknowledged]
return conn, playbook
def test_http_proxy(tctx):
"""Test a simple HTTP GET / request"""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
assert (Playbook(http.HttpLayer(tctx, HTTPMode.regular)) >> DataReceived(
tctx.client,
b"GET http://example.com/foo?hello=1 HTTP/1.1\r\nHost: example.com\r\n\r\n"
) << http.HttpRequestHeadersHook(flow) >> reply() << http.HttpRequestHook(
flow) >> reply() << OpenConnection(server) >> reply(None) << SendData(
server, b"GET /foo?hello=1 HTTP/1.1\r\nHost: example.com\r\n\r\n")
>> DataReceived(
server,
b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World") <<
http.HttpResponseHeadersHook(flow) >> reply() >> DataReceived(
server, b"!") << http.HttpResponseHook(flow) >> reply() <<
SendData(
tctx.client,
b"HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World!"))
assert server().address == ("example.com", 80)
def test_http_expect(tctx):
"""Test handling of a 'Expect: 100-continue' header."""
server = Placeholder(Server)
assert (
Playbook(http.HttpLayer(tctx, HTTPMode.regular), hooks=False) >>
DataReceived(
tctx.client, b"PUT http://example.com/large-file HTTP/1.1\r\n"
b"Host: example.com\r\n"
b"Content-Length: 15\r\n"
b"Expect: 100-continue\r\n\r\n") << SendData(
tctx.client, b"HTTP/1.1 100 Continue\r\n\r\n") >> DataReceived(
tctx.client, b"lots of content") << OpenConnection(server)
>> reply(None) << SendData(
server, b"PUT /large-file HTTP/1.1\r\n"
b"Host: example.com\r\n"
b"Content-Length: 15\r\n\r\n"
b"lots of content") >> DataReceived(
server, b"HTTP/1.1 201 Created\r\nContent-Length: 0\r\n\r\n")
<< SendData(tctx.client,
b"HTTP/1.1 201 Created\r\nContent-Length: 0\r\n\r\n"))
assert server().address == ("example.com", 80)
def test_upgrade(tctx):
"""Test a HTTP -> WebSocket upgrade"""
tctx.server.address = ("example.com", 80)
tctx.server.state = ConnectionState.OPEN
http_flow = Placeholder(HTTPFlow)
flow = Placeholder(WebSocketFlow)
assert (
Playbook(http.HttpLayer(tctx, HTTPMode.transparent)) >> DataReceived(
tctx.client, b"GET / HTTP/1.1\r\n"
b"Connection: upgrade\r\n"
b"Upgrade: websocket\r\n"
b"Sec-WebSocket-Version: 13\r\n"
b"\r\n") << http.HttpRequestHeadersHook(http_flow) >> reply() <<
http.HttpRequestHook(http_flow) >> reply() << SendData(
tctx.server, b"GET / HTTP/1.1\r\n"
b"Connection: upgrade\r\n"
b"Upgrade: websocket\r\n"
b"Sec-WebSocket-Version: 13\r\n"
b"\r\n") >> DataReceived(
tctx.server, b"HTTP/1.1 101 Switching Protocols\r\n"
b"Upgrade: websocket\r\n"
b"Connection: Upgrade\r\n"
b"\r\n") << http.HttpResponseHeadersHook(http_flow) >> reply()
<< http.HttpResponseHook(http_flow) >> reply() << SendData(
tctx.client, b"HTTP/1.1 101 Switching Protocols\r\n"
b"Upgrade: websocket\r\n"
b"Connection: Upgrade\r\n"
b"\r\n") << websocket.WebsocketStartHook(flow) >> reply() >>
DataReceived(tctx.client, masked_bytes(b"\x81\x0bhello world")) <<
websocket.WebsocketMessageHook(flow) >> reply() << SendData(
tctx.server, masked(b"\x81\x0bhello world")) >> DataReceived(
tctx.server, b"\x82\nhello back") <<
websocket.WebsocketMessageHook(flow) >> reply() << SendData(
tctx.client, b"\x82\nhello back"))
assert flow().handshake_flow == http_flow()
assert len(flow().messages) == 2
assert flow().messages[0].content == "hello world"
assert flow().messages[0].from_client
assert flow().messages[1].content == b"hello back"
assert flow().messages[1].from_client is False
def test_http_server_aborts(tctx, stream):
"""Test handling of the case where a server aborts during response transmission."""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
playbook = Playbook(http.HttpLayer(tctx, HTTPMode.regular))
def enable_streaming(flow: HTTPFlow):
flow.response.stream = True
assert (playbook >> DataReceived(
tctx.client, b"GET http://example.com/ HTTP/1.1\r\n"
b"Host: example.com\r\n\r\n") << http.HttpRequestHeadersHook(flow) >>
reply() << http.HttpRequestHook(flow) >> reply() <<
OpenConnection(server) >> reply(None) << SendData(
server, b"GET / HTTP/1.1\r\n"
b"Host: example.com\r\n\r\n") >> DataReceived(
server, b"HTTP/1.1 200 OK\r\n"
b"Content-Length: 6\r\n"
b"\r\n"
b"abc") << http.HttpResponseHeadersHook(flow))
if stream:
assert (playbook >> reply(side_effect=enable_streaming) << SendData(
tctx.client, b"HTTP/1.1 200 OK\r\n"
b"Content-Length: 6\r\n"
b"\r\n"
b"abc"))
else:
assert playbook >> reply()
assert (playbook >> ConnectionClosed(server) << CloseConnection(server) <<
http.HttpErrorHook(flow))
if stream:
assert (playbook >> reply() << CloseConnection(tctx.client))
else:
error_html = Placeholder(bytes)
assert (playbook >> reply() << SendData(tctx.client, error_html) <<
CloseConnection(tctx.client))
assert b"502 Bad Gateway" in error_html()
assert b"peer closed connection" in error_html()
assert "peer closed connection" in flow().error.msg
def test_http_proxy_tcp(tctx, mode, close_first):
"""Test TCP over HTTP CONNECT."""
server = Placeholder(Server)
if mode == "upstream":
tctx.options.mode = "upstream:http://proxy:8080"
toplayer = http.HttpLayer(tctx, HTTPMode.upstream)
else:
tctx.options.mode = "regular"
toplayer = http.HttpLayer(tctx, HTTPMode.regular)
playbook = Playbook(toplayer, hooks=False)
assert (playbook >> DataReceived(
tctx.client, b"CONNECT example:443 HTTP/1.1\r\n\r\n") << SendData(
tctx.client, b"HTTP/1.1 200 Connection established\r\n\r\n") >>
DataReceived(tctx.client, b"this is not http") <<
layer.NextLayerHook(Placeholder()) >>
reply_next_layer(lambda ctx: TCPLayer(ctx, ignore=True)) <<
OpenConnection(server))
playbook >> reply(None)
if mode == "upstream":
playbook << SendData(server, b"CONNECT example:443 HTTP/1.1\r\n\r\n")
playbook >> DataReceived(
server, b"HTTP/1.1 200 Connection established\r\n\r\n")
assert (playbook << SendData(server, b"this is not http") >> DataReceived(
server, b"true that") << SendData(tctx.client, b"true that"))
if mode == "regular":
assert server().address == ("example", 443)
else:
assert server().address == ("proxy", 8080)
if close_first == "client":
a, b = tctx.client, server
else:
a, b = server, tctx.client
assert (playbook >> ConnectionClosed(a) << CloseConnection(b) >>
ConnectionClosed(b) << CloseConnection(a))
def test_transparent_tcp(tctx: Context, monkeypatch, connection_strategy):
monkeypatch.setattr(platform, "original_addr", lambda sock:
("address", 22))
flow = Placeholder(TCPFlow)
tctx.options.connection_strategy = connection_strategy
sock = object()
playbook = Playbook(modes.TransparentProxy(tctx))
(playbook << GetSocket(tctx.client) >> reply(sock))
if connection_strategy == "lazy":
assert playbook
else:
assert (playbook << OpenConnection(tctx.server) >> reply(None) >>
DataReceived(tctx.server, b"hello") << NextLayerHook(
Placeholder(NextLayer)) >> reply_next_layer(tcp.TCPLayer)
<< TcpStartHook(flow) >> reply() << TcpMessageHook(flow) >>
reply() << SendData(tctx.client, b"hello"))
assert flow().messages[0].content == b"hello"
assert not flow().messages[0].from_client
assert tctx.server.address == ("address", 22)
def test_response_streaming(tctx):
"""Test HTTP response streaming"""
server = Placeholder(Server)
flow = Placeholder(HTTPFlow)
def enable_streaming(flow: HTTPFlow):
flow.response.stream = lambda x: x.upper()
assert (Playbook(http.HttpLayer(tctx, HTTPMode.regular)) >> DataReceived(
tctx.client,
b"GET http://example.com/largefile HTTP/1.1\r\nHost: example.com\r\n\r\n"
) << http.HttpRequestHeadersHook(flow) >> reply() << http.HttpRequestHook(
flow) >> reply() << OpenConnection(server) >> reply(None) << SendData(
server, b"GET /largefile HTTP/1.1\r\nHost: example.com\r\n\r\n")
>> DataReceived(
server, b"HTTP/1.1 200 OK\r\nContent-Length: 6\r\n\r\nabc") <<
http.HttpResponseHeadersHook(flow) >>
reply(side_effect=enable_streaming) << SendData(
tctx.client,
b"HTTP/1.1 200 OK\r\nContent-Length: 6\r\n\r\nABC") >>
DataReceived(server, b"def") << SendData(
tctx.client, b"DEF") << http.HttpResponseHook(flow) >> reply())