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421b241ff0
mitmproxy/test/test_server.py
Maximilian Hils 421b241ff0 remove http2http references
2015-08-30 13:40:23 +02:00

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import socket
import time
from OpenSSL import SSL
from netlib.tcp import Address
import netlib.tutils
from netlib import tcp, http, socks
from netlib.certutils import SSLCert
from netlib.http import authentication
from netlib.http.semantics import CONTENT_MISSING
from libpathod import pathoc, pathod
from libmproxy.proxy.config import HostMatcher
from libmproxy.protocol import KILL, Error, http_wrappers
import tutils
import tservers
"""
Note that the choice of response code in these tests matters more than you
might think. libcurl treats a 304 response code differently from, say, a
200 response code - it will correctly terminate a 304 response with no
content-length header, whereas it will block forever waiting for content
for a 200 response.
"""
class CommonMixin:
def test_large(self):
assert len(self.pathod("200:b@50k").content) == 1024 * 50
@staticmethod
def wait_until_not_live(flow):
"""
Race condition: We don't want to replay the flow while it is still live.
"""
s = time.time()
while flow.live:
time.sleep(0.001)
if time.time() - s > 5:
raise RuntimeError("Flow is live for too long.")
def test_replay(self):
assert self.pathod("304").status_code == 304
if isinstance(self, tservers.HTTPUpstreamProxTest) and self.ssl:
assert len(self.master.state.view) == 2
else:
assert len(self.master.state.view) == 1
l = self.master.state.view[-1]
assert l.response.code == 304
l.request.path = "/p/305"
self.wait_until_not_live(l)
rt = self.master.replay_request(l, block=True)
assert l.response.code == 305
# Disconnect error
l.request.path = "/p/305:d0"
rt = self.master.replay_request(l, block=True)
assert not rt
if isinstance(self, tservers.HTTPUpstreamProxTest):
assert l.response.code == 502
else:
assert l.error
# Port error
l.request.port = 1
# In upstream mode, we get a 502 response from the upstream proxy server.
# In upstream mode with ssl, the replay will fail as we cannot establish
# SSL with the upstream proxy.
rt = self.master.replay_request(l, block=True)
assert not rt
if isinstance(self, tservers.HTTPUpstreamProxTest):
assert l.response.code == 502
else:
assert l.error
def test_http(self):
f = self.pathod("304")
assert f.status_code == 304
# In Upstream mode with SSL, we may already have a previous CONNECT
# request.
l = self.master.state.view[-1]
assert l.client_conn.address
assert "host" in l.request.headers
assert l.response.code == 304
def test_invalid_http(self):
t = tcp.TCPClient(("127.0.0.1", self.proxy.port))
t.connect()
t.wfile.write("invalid\r\n\r\n")
t.wfile.flush()
line = t.rfile.readline()
assert ("Bad Request" in line) or ("Bad Gateway" in line)
def test_sni(self):
if not self.ssl:
return
f = self.pathod("304", sni="testserver.com")
assert f.status_code == 304
log = self.server.last_log()
assert log["request"]["sni"] == "testserver.com"
class TcpMixin:
def _ignore_on(self):
assert not hasattr(self, "_ignore_backup")
self._ignore_backup = self.config.check_ignore
self.config.check_ignore = HostMatcher(
[".+:%s" % self.server.port] + self.config.check_ignore.patterns)
def _ignore_off(self):
assert hasattr(self, "_ignore_backup")
self.config.check_ignore = self._ignore_backup
del self._ignore_backup
def test_ignore(self):
spec = '304:h"Alternate-Protocol"="mitmproxy-will-remove-this"'
n = self.pathod(spec)
self._ignore_on()
i = self.pathod(spec)
i2 = self.pathod(spec)
self._ignore_off()
assert i.status_code == i2.status_code == n.status_code == 304
assert "Alternate-Protocol" in i.headers
assert "Alternate-Protocol" in i2.headers
assert "Alternate-Protocol" not in n.headers
# Test that we get the original SSL cert
if self.ssl:
i_cert = SSLCert(i.sslinfo.certchain[0])
i2_cert = SSLCert(i2.sslinfo.certchain[0])
n_cert = SSLCert(n.sslinfo.certchain[0])
assert i_cert == i2_cert
assert i_cert != n_cert
# Test Non-HTTP traffic
spec = "200:i0,@100:d0" # this results in just 100 random bytes
# mitmproxy responds with bad gateway
assert self.pathod(spec).status_code == 502
self._ignore_on()
tutils.raises(
"invalid server response",
self.pathod,
spec) # pathoc tries to parse answer as HTTP
self._ignore_off()
def _tcpproxy_on(self):
assert not hasattr(self, "_tcpproxy_backup")
self._tcpproxy_backup = self.config.check_tcp
self.config.check_tcp = HostMatcher(
[".+:%s" % self.server.port] + self.config.check_tcp.patterns)
def _tcpproxy_off(self):
assert hasattr(self, "_tcpproxy_backup")
self.config.check_ignore = self._tcpproxy_backup
del self._tcpproxy_backup
def test_tcp(self):
spec = '304:h"Alternate-Protocol"="mitmproxy-will-remove-this"'
n = self.pathod(spec)
self._tcpproxy_on()
i = self.pathod(spec)
i2 = self.pathod(spec)
self._tcpproxy_off()
assert i.status_code == i2.status_code == n.status_code == 304
assert "Alternate-Protocol" in i.headers
assert "Alternate-Protocol" in i2.headers
assert "Alternate-Protocol" not in n.headers
# Test that we get the original SSL cert
if self.ssl:
i_cert = SSLCert(i.sslinfo.certchain[0])
i2_cert = SSLCert(i2.sslinfo.certchain[0])
n_cert = SSLCert(n.sslinfo.certchain[0])
assert i_cert == i2_cert == n_cert
# Make sure that TCP messages are in the event log.
assert any("mitmproxy-will-remove-this" in m for m in self.master.log)
class AppMixin:
def test_app(self):
ret = self.app("/")
assert ret.status_code == 200
assert "mitmproxy" in ret.content
class TestHTTP(tservers.HTTPProxTest, CommonMixin, AppMixin):
def test_app_err(self):
p = self.pathoc()
ret = p.request("get:'http://errapp/'")
assert ret.status_code == 500
assert "ValueError" in ret.content
def test_invalid_connect(self):
t = tcp.TCPClient(("127.0.0.1", self.proxy.port))
t.connect()
t.wfile.write("CONNECT invalid\n\n")
t.wfile.flush()
assert "Bad Request" in t.rfile.readline()
def test_upstream_ssl_error(self):
p = self.pathoc()
ret = p.request("get:'https://localhost:%s/'" % self.server.port)
assert ret.status_code == 400
def test_connection_close(self):
# Add a body, so we have a content-length header, which combined with
# HTTP1.1 means the connection is kept alive.
response = '%s/p/200:b@1' % self.server.urlbase
# Lets sanity check that the connection does indeed stay open by
# issuing two requests over the same connection
p = self.pathoc()
assert p.request("get:'%s'" % response)
assert p.request("get:'%s'" % response)
# Now check that the connection is closed as the client specifies
p = self.pathoc()
assert p.request("get:'%s':h'Connection'='close'" % response)
# There's a race here, which means we can get any of a number of errors.
# Rather than introduce yet another sleep into the test suite, we just
# relax the Exception specification.
tutils.raises(Exception, p.request, "get:'%s'" % response)
def test_reconnect(self):
req = "get:'%s/p/200:b@1:da'" % self.server.urlbase
p = self.pathoc()
assert p.request(req)
# Server has disconnected. Mitmproxy should detect this, and reconnect.
assert p.request(req)
assert p.request(req)
def test_get_connection_switching(self):
def switched(l):
for i in l:
if "serverdisconnect" in i:
return True
req = "get:'%s/p/200:b@1'"
p = self.pathoc()
assert p.request(req % self.server.urlbase)
assert p.request(req % self.server2.urlbase)
assert switched(self.proxy.log)
def test_get_connection_err(self):
p = self.pathoc()
ret = p.request("get:'http://localhost:0'")
assert ret.status_code == 502
def test_blank_leading_line(self):
p = self.pathoc()
req = "get:'%s/p/201':i0,'\r\n'"
assert p.request(req % self.server.urlbase).status_code == 201
def test_invalid_headers(self):
p = self.pathoc()
req = p.request("get:'http://foo':h':foo'='bar'")
assert req.status_code == 400
def test_empty_chunked_content(self):
"""
https://github.com/mitmproxy/mitmproxy/issues/186
"""
connection = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection.connect(("127.0.0.1", self.proxy.port))
spec = '301:h"Transfer-Encoding"="chunked":r:b"0\\r\\n\\r\\n"'
connection.send(
"GET http://localhost:%d/p/%s HTTP/1.1\r\n" %
(self.server.port, spec))
connection.send("\r\n")
resp = connection.recv(50000)
connection.close()
assert "content-length" in resp.lower()
def test_stream(self):
self.master.set_stream_large_bodies(1024 * 2)
self.pathod("200:b@1k")
assert not self.master.state.view[-1].response.stream
assert len(self.master.state.view[-1].response.content) == 1024 * 1
self.pathod("200:b@3k")
assert self.master.state.view[-1].response.stream
assert self.master.state.view[-1].response.content == CONTENT_MISSING
self.master.set_stream_large_bodies(None)
def test_stream_modify(self):
self.master.load_script(
tutils.test_data.path("scripts/stream_modify.py"))
d = self.pathod('200:b"foo"')
assert d.content == "bar"
self.master.unload_scripts()
class TestHTTPAuth(tservers.HTTPProxTest):
authenticator = http.authentication.BasicProxyAuth(
http.authentication.PassManSingleUser(
"test",
"test"),
"realm")
def test_auth(self):
assert self.pathod("202").status_code == 407
p = self.pathoc()
ret = p.request("""
get
'http://localhost:%s/p/202'
h'%s'='%s'
""" % (
self.server.port,
http.authentication.BasicProxyAuth.AUTH_HEADER,
authentication.assemble_http_basic_auth("basic", "test", "test")
))
assert ret.status_code == 202
class TestHTTPS(tservers.HTTPProxTest, CommonMixin, TcpMixin):
ssl = True
ssloptions = pathod.SSLOptions(request_client_cert=True)
clientcerts = True
def test_clientcert(self):
f = self.pathod("304")
assert f.status_code == 304
assert self.server.last_log()["request"]["clientcert"]["keyinfo"]
def test_error_post_connect(self):
p = self.pathoc()
assert p.request("get:/:i0,'invalid\r\n\r\n'").status_code == 400
class TestHTTPSCertfile(tservers.HTTPProxTest, CommonMixin):
ssl = True
certfile = True
def test_certfile(self):
assert self.pathod("304")
class TestHTTPSUpstreamServerVerificationWTrustedCert(tservers.HTTPProxTest):
"""
Test upstream server certificate verification with a trusted server cert.
"""
ssl = True
ssloptions = pathod.SSLOptions(
cn="trusted-cert",
certs=[
("trusted-cert", tutils.test_data.path("data/trusted-server.crt"))
])
def test_verification_w_cadir(self):
self.config.openssl_verification_mode_server = SSL.VERIFY_PEER
self.config.openssl_trusted_cadir_server = tutils.test_data.path(
"data/trusted-cadir/")
self.pathoc()
def test_verification_w_pemfile(self):
self.config.openssl_verification_mode_server = SSL.VERIFY_PEER
self.config.openssl_trusted_ca_server = tutils.test_data.path(
"data/trusted-cadir/trusted-ca.pem")
self.pathoc()
class TestHTTPSUpstreamServerVerificationWBadCert(tservers.HTTPProxTest):
"""
Test upstream server certificate verification with an untrusted server cert.
"""
ssl = True
ssloptions = pathod.SSLOptions(
cn="untrusted-cert",
certs=[
("untrusted-cert", tutils.test_data.path("data/untrusted-server.crt"))
])
def _request(self):
p = self.pathoc()
# We need to make an actual request because the upstream connection is lazy-loaded.
return p.request("get:/p/242")
def test_default_verification_w_bad_cert(self):
"""Should use no verification."""
self.config.openssl_trusted_ca_server = tutils.test_data.path(
"data/trusted-cadir/trusted-ca.pem")
assert self._request().status_code == 242
def test_no_verification_w_bad_cert(self):
self.config.openssl_verification_mode_server = SSL.VERIFY_NONE
self.config.openssl_trusted_ca_server = tutils.test_data.path(
"data/trusted-cadir/trusted-ca.pem")
assert self._request().status_code == 242
def test_verification_w_bad_cert(self):
self.config.openssl_verification_mode_server = SSL.VERIFY_PEER
self.config.openssl_trusted_ca_server = tutils.test_data.path(
"data/trusted-cadir/trusted-ca.pem")
assert self._request().status_code == 502
class TestHTTPSNoCommonName(tservers.HTTPProxTest):
"""
Test what happens if we get a cert without common name back.
"""
ssl = True
ssloptions = pathod.SSLOptions(
certs=[
("*", tutils.test_data.path("data/no_common_name.pem"))
]
)
def test_http(self):
f = self.pathod("202")
assert f.sslinfo.certchain[0].get_subject().CN == "127.0.0.1"
class TestReverse(tservers.ReverseProxTest, CommonMixin, TcpMixin):
reverse = True
class TestSocks5(tservers.SocksModeTest):
def test_simple(self):
p = self.pathoc()
p.socks_connect(("localhost", self.server.port))
f = p.request("get:/p/200")
assert f.status_code == 200
def test_with_authentication_only(self):
p = self.pathoc()
f = p.request("get:/p/200")
assert f.status_code == 502
assert "SOCKS5 mode failure" in f.content
def test_no_connect(self):
"""
mitmproxy doesn't support UDP or BIND SOCKS CMDs
"""
p = self.pathoc()
socks.ClientGreeting(
socks.VERSION.SOCKS5,
[socks.METHOD.NO_AUTHENTICATION_REQUIRED]
).to_file(p.wfile)
socks.Message(
socks.VERSION.SOCKS5,
socks.CMD.BIND,
socks.ATYP.DOMAINNAME,
("example.com", 8080)
).to_file(p.wfile)
p.wfile.flush()
p.rfile.read(2) # read server greeting
f = p.request("get:/p/200") # the request doesn't matter, error response from handshake will be read anyway.
assert f.status_code == 502
assert "SOCKS5 mode failure" in f.content
class TestHttps2Http(tservers.ReverseProxTest):
@classmethod
def get_proxy_config(cls):
d = super(TestHttps2Http, cls).get_proxy_config()
d["upstream_server"] = ("http", d["upstream_server"][1])
return d
def pathoc(self, ssl, sni=None):
"""
Returns a connected Pathoc instance.
"""
p = pathoc.Pathoc(
("localhost", self.proxy.port), ssl=True, sni=sni, fp=None
)
p.connect()
return p
def test_all(self):
p = self.pathoc(ssl=True)
assert p.request("get:'/p/200'").status_code == 200
def test_sni(self):
p = self.pathoc(ssl=True, sni="example.com")
assert p.request("get:'/p/200'").status_code == 200
assert all("Error in handle_sni" not in msg for msg in self.proxy.log)
def test_http(self):
p = self.pathoc(ssl=False)
assert p.request("get:'/p/200'").status_code == 200
class TestTransparent(tservers.TransparentProxTest, CommonMixin, TcpMixin):
ssl = False
class TestTransparentSSL(tservers.TransparentProxTest, CommonMixin, TcpMixin):
ssl = True
def test_sslerr(self):
p = pathoc.Pathoc(("localhost", self.proxy.port), fp=None)
p.connect()
r = p.request("get:/")
assert r.status_code == 502
class TestProxy(tservers.HTTPProxTest):
def test_http(self):
f = self.pathod("304")
assert f.status_code == 304
f = self.master.state.view[0]
assert f.client_conn.address
assert "host" in f.request.headers
assert f.response.code == 304
def test_response_timestamps(self):
# test that we notice at least 2 sec delay between timestamps
# in response object
f = self.pathod("304:b@1k:p50,1")
assert f.status_code == 304
response = self.master.state.view[0].response
assert 1 <= response.timestamp_end - response.timestamp_start <= 1.2
def test_request_timestamps(self):
# test that we notice a delay between timestamps in request object
connection = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection.connect(("127.0.0.1", self.proxy.port))
# call pathod server, wait a second to complete the request
connection.send(
"GET http://localhost:%d/p/304:b@1k HTTP/1.1\r\n" %
self.server.port)
time.sleep(1)
connection.send("\r\n")
connection.recv(50000)
connection.close()
request, response = self.master.state.view[
0].request, self.master.state.view[0].response
assert response.code == 304 # sanity test for our low level request
# time.sleep might be a little bit shorter than a second
assert 0.95 < (request.timestamp_end - request.timestamp_start) < 1.2
def test_request_timestamps_not_affected_by_client_time(self):
# test that don't include user wait time in request's timestamps
f = self.pathod("304:b@10k")
assert f.status_code == 304
f = self.pathod("304:b@10k")
assert f.status_code == 304
request = self.master.state.view[0].request
assert request.timestamp_end - request.timestamp_start <= 0.1
request = self.master.state.view[1].request
assert request.timestamp_end - request.timestamp_start <= 0.1
def test_request_tcp_setup_timestamp_presence(self):
# tests that the client_conn a tcp connection has a tcp_setup_timestamp
connection = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection.connect(("localhost", self.proxy.port))
connection.send(
"GET http://localhost:%d/p/304:b@1k HTTP/1.1\r\n" %
self.server.port)
connection.send("\r\n")
connection.recv(5000)
connection.send(
"GET http://localhost:%d/p/304:b@1k HTTP/1.1\r\n" %
self.server.port)
connection.send("\r\n")
connection.recv(5000)
connection.close()
first_flow = self.master.state.view[0]
second_flow = self.master.state.view[1]
assert first_flow.server_conn.timestamp_tcp_setup
assert first_flow.server_conn.timestamp_ssl_setup is None
assert second_flow.server_conn.timestamp_tcp_setup
assert first_flow.server_conn.timestamp_tcp_setup == second_flow.server_conn.timestamp_tcp_setup
def test_request_ip(self):
f = self.pathod("200:b@100")
assert f.status_code == 200
f = self.master.state.view[0]
assert f.server_conn.address == ("127.0.0.1", self.server.port)
class TestProxySSL(tservers.HTTPProxTest):
ssl = True
def test_request_ssl_setup_timestamp_presence(self):
# tests that the ssl timestamp is present when ssl is used
f = self.pathod("304:b@10k")
assert f.status_code == 304
first_flow = self.master.state.view[0]
assert first_flow.server_conn.timestamp_ssl_setup
class MasterRedirectRequest(tservers.TestMaster):
redirect_port = None # Set by TestRedirectRequest
def handle_request(self, f):
if f.request.path == "/p/201":
# This part should have no impact, but it should not cause any exceptions.
addr = f.live.server_conn.address
addr2 = Address(("127.0.0.1", self.redirect_port))
f.live.set_server(addr2)
f.live.connect()
f.live.set_server(addr)
f.live.connect()
# This is the actual redirection.
f.request.port = self.redirect_port
super(MasterRedirectRequest, self).handle_request(f)
def handle_response(self, f):
f.response.content = str(f.client_conn.address.port)
f.response.headers[
"server-conn-id"] = [str(f.server_conn.source_address.port)]
super(MasterRedirectRequest, self).handle_response(f)
class TestRedirectRequest(tservers.HTTPProxTest):
masterclass = MasterRedirectRequest
ssl = True
def test_redirect(self):
"""
Imagine a single HTTPS connection with three requests:
1. First request should pass through unmodified
2. Second request will be redirected to a different host by an inline script
3. Third request should pass through unmodified
This test verifies that the original destination is restored for the third request.
"""
self.master.redirect_port = self.server2.port
p = self.pathoc()
self.server.clear_log()
self.server2.clear_log()
r1 = p.request("get:'/p/200'")
assert r1.status_code == 200
assert self.server.last_log()
assert not self.server2.last_log()
self.server.clear_log()
self.server2.clear_log()
r2 = p.request("get:'/p/201'")
assert r2.status_code == 201
assert not self.server.last_log()
assert self.server2.last_log()
self.server.clear_log()
self.server2.clear_log()
r3 = p.request("get:'/p/202'")
assert r3.status_code == 202
assert self.server.last_log()
assert not self.server2.last_log()
assert r1.content == r2.content == r3.content
class MasterStreamRequest(tservers.TestMaster):
"""
Enables the stream flag on the flow for all requests
"""
def handle_responseheaders(self, f):
f.response.stream = True
f.reply()
class TestStreamRequest(tservers.HTTPProxTest):
masterclass = MasterStreamRequest
def test_stream_simple(self):
p = self.pathoc()
# a request with 100k of data but without content-length
self.server.clear_log()
r1 = p.request("get:'%s/p/200:r:b@100k:d102400'" % self.server.urlbase)
assert r1.status_code == 200
assert len(r1.content) > 100000
assert self.server.last_log()
def test_stream_multiple(self):
p = self.pathoc()
# simple request with streaming turned on
self.server.clear_log()
r1 = p.request("get:'%s/p/200'" % self.server.urlbase)
assert r1.status_code == 200
assert self.server.last_log()
# now send back 100k of data, streamed but not chunked
self.server.clear_log()
r1 = p.request("get:'%s/p/200:b@100k'" % self.server.urlbase)
assert r1.status_code == 200
assert self.server.last_log()
def test_stream_chunked(self):
connection = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
connection.connect(("127.0.0.1", self.proxy.port))
fconn = connection.makefile()
spec = '200:h"Transfer-Encoding"="chunked":r:b"4\\r\\nthis\\r\\n7\\r\\nisatest\\r\\n0\\r\\n\\r\\n"'
connection.send(
"GET %s/p/%s HTTP/1.1\r\n" %
(self.server.urlbase, spec))
connection.send("\r\n")
protocol = http.http1.HTTP1Protocol(rfile=fconn)
resp = protocol.read_response("GET", None, include_body=False)
assert resp.headers["Transfer-Encoding"][0] == 'chunked'
assert resp.status_code == 200
chunks = list(protocol.read_http_body_chunked(
resp.headers, None, "GET", 200, False
))
assert chunks == ["this", "isatest", ""]
connection.close()
class MasterFakeResponse(tservers.TestMaster):
def handle_request(self, f):
resp = http_wrappers.HTTPResponse.wrap(netlib.tutils.tresp())
f.reply(resp)
class TestFakeResponse(tservers.HTTPProxTest):
masterclass = MasterFakeResponse
def test_fake(self):
f = self.pathod("200")
assert "header_response" in f.headers.keys()
class TestServerConnect(tservers.HTTPProxTest):
masterclass = MasterFakeResponse
no_upstream_cert = True
ssl = True
def test_unnecessary_serverconnect(self):
"""A replayed/fake response with no_upstream_cert should not connect to an upstream server"""
assert self.pathod("200").status_code == 200
for msg in self.proxy.tmaster.log:
assert "serverconnect" not in msg
class MasterKillRequest(tservers.TestMaster):
def handle_request(self, f):
f.reply(KILL)
class TestKillRequest(tservers.HTTPProxTest):
masterclass = MasterKillRequest
def test_kill(self):
tutils.raises("server disconnect", self.pathod, "200")
# Nothing should have hit the server
assert not self.server.last_log()
class MasterKillResponse(tservers.TestMaster):
def handle_response(self, f):
f.reply(KILL)
class TestKillResponse(tservers.HTTPProxTest):
masterclass = MasterKillResponse
def test_kill(self):
tutils.raises("server disconnect", self.pathod, "200")
# The server should have seen a request
assert self.server.last_log()
class EResolver(tservers.TResolver):
def original_addr(self, sock):
raise RuntimeError("Could not resolve original destination.")
class TestTransparentResolveError(tservers.TransparentProxTest):
resolver = EResolver
def test_resolve_error(self):
assert self.pathod("304").status_code == 502
class MasterIncomplete(tservers.TestMaster):
def handle_request(self, f):
resp = http_wrappers.HTTPResponse.wrap(netlib.tutils.tresp())
resp.content = CONTENT_MISSING
f.reply(resp)
class TestIncompleteResponse(tservers.HTTPProxTest):
masterclass = MasterIncomplete
def test_incomplete(self):
assert self.pathod("200").status_code == 502
class TestUpstreamProxy(tservers.HTTPUpstreamProxTest, CommonMixin, AppMixin):
ssl = False
def test_order(self):
self.proxy.tmaster.replacehooks.add(
"~q",
"foo",
"bar") # replace in request
self.chain[0].tmaster.replacehooks.add("~q", "bar", "baz")
self.chain[1].tmaster.replacehooks.add("~q", "foo", "oh noes!")
self.chain[0].tmaster.replacehooks.add(
"~s",
"baz",
"ORLY") # replace in response
p = self.pathoc()
req = p.request("get:'%s/p/418:b\"foo\"'" % self.server.urlbase)
assert req.content == "ORLY"
assert req.status_code == 418
class TestUpstreamProxySSL(
tservers.HTTPUpstreamProxTest,
CommonMixin,
TcpMixin):
ssl = True
def _host_pattern_on(self, attr):
"""
Updates config.check_tcp or check_ignore, depending on attr.
"""
assert not hasattr(self, "_ignore_%s_backup" % attr)
backup = []
for proxy in self.chain:
old_matcher = getattr(
proxy.tmaster.server.config,
"check_%s" %
attr)
backup.append(old_matcher)
setattr(
proxy.tmaster.server.config,
"check_%s" % attr,
HostMatcher([".+:%s" % self.server.port] + old_matcher.patterns)
)
setattr(self, "_ignore_%s_backup" % attr, backup)
def _host_pattern_off(self, attr):
backup = getattr(self, "_ignore_%s_backup" % attr)
for proxy in reversed(self.chain):
setattr(
proxy.tmaster.server.config,
"check_%s" % attr,
backup.pop()
)
assert not backup
delattr(self, "_ignore_%s_backup" % attr)
def _ignore_on(self):
super(TestUpstreamProxySSL, self)._ignore_on()
self._host_pattern_on("ignore")
def _ignore_off(self):
super(TestUpstreamProxySSL, self)._ignore_off()
self._host_pattern_off("ignore")
def _tcpproxy_on(self):
super(TestUpstreamProxySSL, self)._tcpproxy_on()
self._host_pattern_on("tcp")
def _tcpproxy_off(self):
super(TestUpstreamProxySSL, self)._tcpproxy_off()
self._host_pattern_off("tcp")
def test_simple(self):
p = self.pathoc()
req = p.request("get:'/p/418:b\"content\"'")
assert req.content == "content"
assert req.status_code == 418
# CONNECT from pathoc to chain[0],
assert self.proxy.tmaster.state.flow_count() == 2
# request from pathoc to chain[0]
# CONNECT from proxy to chain[1],
assert self.chain[0].tmaster.state.flow_count() == 2
# request from proxy to chain[1]
# request from chain[0] (regular proxy doesn't store CONNECTs)
assert self.chain[1].tmaster.state.flow_count() == 1
def test_closing_connect_response(self):
"""
https://github.com/mitmproxy/mitmproxy/issues/313
"""
def handle_request(f):
f.request.httpversion = (1, 0)
del f.request.headers["Content-Length"]
f.reply()
_handle_request = self.chain[0].tmaster.handle_request
self.chain[0].tmaster.handle_request = handle_request
try:
assert self.pathoc().request("get:/p/418").status_code == 418
finally:
self.chain[0].tmaster.handle_request = _handle_request
class TestProxyChainingSSLReconnect(tservers.HTTPUpstreamProxTest):
ssl = True
def test_reconnect(self):
"""
Tests proper functionality of ConnectionHandler.server_reconnect mock.
If we have a disconnect on a secure connection that's transparently proxified to
an upstream http proxy, we need to send the CONNECT request again.
"""
def kill_requests(master, attr, exclude):
k = [0] # variable scope workaround: put into array
_func = getattr(master, attr)
def handler(f):
k[0] += 1
if not (k[0] in exclude):
f.client_conn.finish()
f.error = Error("terminated")
f.reply(KILL)
return _func(f)
setattr(master, attr, handler)
kill_requests(self.chain[1].tmaster, "handle_request",
exclude=[
# fail first request
2, # allow second request
])
kill_requests(self.chain[0].tmaster, "handle_request",
exclude=[
1, # CONNECT
# fail first request
3, # reCONNECT
4, # request
])
p = self.pathoc()
req = p.request("get:'/p/418:b\"content\"'")
assert req.content == "content"
assert req.status_code == 418
assert self.proxy.tmaster.state.flow_count() == 2 # CONNECT and request
# CONNECT, failing request,
assert self.chain[0].tmaster.state.flow_count() == 4
# reCONNECT, request
# failing request, request
assert self.chain[1].tmaster.state.flow_count() == 2
# (doesn't store (repeated) CONNECTs from chain[0]
# as it is a regular proxy)
assert not self.chain[1].tmaster.state.flows[0].response # killed
assert self.chain[1].tmaster.state.flows[1].response
assert self.proxy.tmaster.state.flows[0].request.form_in == "authority"
assert self.proxy.tmaster.state.flows[1].request.form_in == "relative"
assert self.chain[0].tmaster.state.flows[
0].request.form_in == "authority"
assert self.chain[0].tmaster.state.flows[
1].request.form_in == "relative"
assert self.chain[0].tmaster.state.flows[
2].request.form_in == "authority"
assert self.chain[0].tmaster.state.flows[
3].request.form_in == "relative"
assert self.chain[1].tmaster.state.flows[
0].request.form_in == "relative"
assert self.chain[1].tmaster.state.flows[
1].request.form_in == "relative"
req = p.request("get:'/p/418:b\"content2\"'")
assert req.status_code == 502
assert self.proxy.tmaster.state.flow_count() == 3 # + new request
# + new request, repeated CONNECT from chain[1]
assert self.chain[0].tmaster.state.flow_count() == 6
# (both terminated)
# nothing happened here
assert self.chain[1].tmaster.state.flow_count() == 2
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