import socket import time from OpenSSL import SSL from netlib.exceptions import HttpReadDisconnect, HttpException from netlib.tcp import Address import netlib.tutils from netlib import tcp, http, socks from netlib.certutils import SSLCert from netlib.http import authentication, CONTENT_MISSING, http1 from netlib.tutils import raises from libpathod import pathoc, pathod from libmproxy.proxy.config import HostMatcher from libmproxy.protocol import Kill from libmproxy.models import Error, HTTPResponse 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.status_code == 304 l.request.path = "/p/305" self.wait_until_not_live(l) rt = self.master.replay_request(l, block=True) assert l.response.status_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.status_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.status_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.status_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): n = self.pathod("304") self._ignore_on() i = self.pathod("305") i2 = self.pathod("306") self._ignore_off() self.master.masterq.join() assert n.status_code == 304 assert i.status_code == 305 assert i2.status_code == 306 assert any(f.response.status_code == 304 for f in self.master.state.flows) assert not any(f.response.status_code == 305 for f in self.master.state.flows) assert not any(f.response.status_code == 306 for f in self.master.state.flows) # 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() with raises(HttpException): 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_tcp = self._tcpproxy_backup del self._tcpproxy_backup def test_tcp(self): n = self.pathod("304") self._tcpproxy_on() i = self.pathod("305") i2 = self.pathod("306") self._tcpproxy_off() self.master.masterq.join() assert n.status_code == 304 assert i.status_code == 305 assert i2.status_code == 306 assert any(f.response.status_code == 304 for f in self.master.state.flows) assert not any(f.response.status_code == 305 for f in self.master.state.flows) assert not any(f.response.status_code == 306 for f in self.master.state.flows) # 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("305" in m for m in self.master.log) assert any("306" 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. with 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_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() resp = p.request("get:'http://foo':h':foo'='bar'") assert resp.status_code == 400 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.status_code == 304 def test_response_timestamps(self): # test that we notice at least 1 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 0.9 <= 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.status_code == 304 # sanity test for our low level request # time.sleep might be a little bit shorter than a second, # we observed up to 0.93s on appveyor. assert 0.8 < (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/200:b@1k HTTP/1.1\r\n" % self.server.port) connection.send("\r\n") # a bit hacky: make sure that we don't just read the headers only. recvd = 0 while recvd < 1024: recvd += len(connection.recv(5000)) connection.send( "GET http://localhost:%d/p/200:b@1k HTTP/1.1\r\n" % self.server.port) connection.send("\r\n") recvd = 0 while recvd < 1024: recvd += len(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 also 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.set_server(addr) # 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\\n11\\r\\nisatest__reachhex\\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") resp = http1.read_response_head(fconn) assert resp.headers["Transfer-Encoding"] == 'chunked' assert resp.status_code == 200 chunks = list(http1.read_body(fconn, None)) assert chunks == ["this", "isatest__reachhex"] connection.close() class MasterFakeResponse(tservers.TestMaster): def handle_request(self, f): resp = 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 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): with raises(HttpReadDisconnect): 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): with raises(HttpReadDisconnect): 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 = 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 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