diff --git a/tests/http/federation/test_matrix_federation_agent.py b/tests/http/federation/test_matrix_federation_agent.py
index a37bce08c3..992d8f94fd 100644
--- a/tests/http/federation/test_matrix_federation_agent.py
+++ b/tests/http/federation/test_matrix_federation_agent.py
@@ -11,9 +11,11 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
+import base64
import logging
-from typing import Optional
-from unittest.mock import Mock
+import os
+from typing import Iterable, Optional
+from unittest.mock import Mock, patch
import treq
from netaddr import IPSet
@@ -22,11 +24,12 @@ from zope.interface import implementer
from twisted.internet import defer
from twisted.internet._sslverify import ClientTLSOptions, OpenSSLCertificateOptions
+from twisted.internet.interfaces import IProtocolFactory
from twisted.internet.protocol import Factory
-from twisted.protocols.tls import TLSMemoryBIOFactory
+from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
from twisted.web._newclient import ResponseNeverReceived
from twisted.web.client import Agent
-from twisted.web.http import HTTPChannel
+from twisted.web.http import HTTPChannel, Request
from twisted.web.http_headers import Headers
from twisted.web.iweb import IPolicyForHTTPS
@@ -49,24 +52,6 @@ from tests.utils import default_config
logger = logging.getLogger(__name__)
-test_server_connection_factory = None
-
-
-def get_connection_factory():
- # this needs to happen once, but not until we are ready to run the first test
- global test_server_connection_factory
- if test_server_connection_factory is None:
- test_server_connection_factory = TestServerTLSConnectionFactory(
- sanlist=[
- b"DNS:testserv",
- b"DNS:target-server",
- b"DNS:xn--bcher-kva.com",
- b"IP:1.2.3.4",
- b"IP:::1",
- ]
- )
- return test_server_connection_factory
-
# Once Async Mocks or lambdas are supported this can go away.
def generate_resolve_service(result):
@@ -100,24 +85,38 @@ class MatrixFederationAgentTests(unittest.TestCase):
had_well_known_cache=self.had_well_known_cache,
)
- self.agent = MatrixFederationAgent(
- reactor=self.reactor,
- tls_client_options_factory=self.tls_factory,
- user_agent="test-agent", # Note that this is unused since _well_known_resolver is provided.
- ip_blacklist=IPSet(),
- _srv_resolver=self.mock_resolver,
- _well_known_resolver=self.well_known_resolver,
- )
-
- def _make_connection(self, client_factory, expected_sni):
+ def _make_connection(
+ self,
+ client_factory: IProtocolFactory,
+ ssl: bool = True,
+ expected_sni: bytes = None,
+ tls_sanlist: Optional[Iterable[bytes]] = None,
+ ) -> HTTPChannel:
"""Builds a test server, and completes the outgoing client connection
+ Args:
+ client_factory: the the factory that the
+ application is trying to use to make the outbound connection. We will
+ invoke it to build the client Protocol
+
+ ssl: If true, we will expect an ssl connection and wrap
+ server_factory with a TLSMemoryBIOFactory
+ False is set only for when proxy expect http connection.
+ Otherwise federation requests use always https.
+
+ expected_sni: the expected SNI value
+
+ tls_sanlist: list of SAN entries for the TLS cert presented by the server.
Returns:
- HTTPChannel: the test server
+ the server Protocol returned by server_factory
"""
# build the test server
- server_tls_protocol = _build_test_server(get_connection_factory())
+ server_factory = _get_test_protocol_factory()
+ if ssl:
+ server_factory = _wrap_server_factory_for_tls(server_factory, tls_sanlist)
+
+ server_protocol = server_factory.buildProtocol(None)
# now, tell the client protocol factory to build the client protocol (it will be a
# _WrappingProtocol, around a TLSMemoryBIOProtocol, around an
@@ -128,35 +127,39 @@ class MatrixFederationAgentTests(unittest.TestCase):
# stubbing that out here.
client_protocol = client_factory.buildProtocol(None)
client_protocol.makeConnection(
- FakeTransport(server_tls_protocol, self.reactor, client_protocol)
+ FakeTransport(server_protocol, self.reactor, client_protocol)
)
- # tell the server tls protocol to send its stuff back to the client, too
- server_tls_protocol.makeConnection(
- FakeTransport(client_protocol, self.reactor, server_tls_protocol)
+ # tell the server protocol to send its stuff back to the client, too
+ server_protocol.makeConnection(
+ FakeTransport(client_protocol, self.reactor, server_protocol)
)
- # grab a hold of the TLS connection, in case it gets torn down
- server_tls_connection = server_tls_protocol._tlsConnection
-
- # fish the test server back out of the server-side TLS protocol.
- http_protocol = server_tls_protocol.wrappedProtocol
+ if ssl:
+ # fish the test server back out of the server-side TLS protocol.
+ http_protocol = server_protocol.wrappedProtocol
+ # grab a hold of the TLS connection, in case it gets torn down
+ tls_connection = server_protocol._tlsConnection
+ else:
+ http_protocol = server_protocol
+ tls_connection = None
- # give the reactor a pump to get the TLS juices flowing.
- self.reactor.pump((0.1,))
+ # give the reactor a pump to get the TLS juices flowing (if needed)
+ self.reactor.advance(0)
# check the SNI
- server_name = server_tls_connection.get_servername()
- self.assertEqual(
- server_name,
- expected_sni,
- "Expected SNI %s but got %s" % (expected_sni, server_name),
- )
+ if expected_sni is not None:
+ server_name = tls_connection.get_servername()
+ self.assertEqual(
+ server_name,
+ expected_sni,
+ f"Expected SNI {expected_sni!s} but got {server_name!s}",
+ )
return http_protocol
@defer.inlineCallbacks
- def _make_get_request(self, uri):
+ def _make_get_request(self, uri: bytes):
"""
Sends a simple GET request via the agent, and checks its logcontext management
"""
@@ -180,20 +183,20 @@ class MatrixFederationAgentTests(unittest.TestCase):
def _handle_well_known_connection(
self,
- client_factory,
- expected_sni,
- content,
+ client_factory: IProtocolFactory,
+ expected_sni: bytes,
+ content: bytes,
response_headers: Optional[dict] = None,
- ):
+ ) -> HTTPChannel:
"""Handle an outgoing HTTPs connection: wire it up to a server, check that the
request is for a .well-known, and send the response.
Args:
- client_factory (IProtocolFactory): outgoing connection
- expected_sni (bytes): SNI that we expect the outgoing connection to send
- content (bytes): content to send back as the .well-known
+ client_factory: outgoing connection
+ expected_sni: SNI that we expect the outgoing connection to send
+ content: content to send back as the .well-known
Returns:
- HTTPChannel: server impl
+ server impl
"""
# make the connection for .well-known
well_known_server = self._make_connection(
@@ -209,7 +212,10 @@ class MatrixFederationAgentTests(unittest.TestCase):
return well_known_server
def _send_well_known_response(
- self, request, content, headers: Optional[dict] = None
+ self,
+ request: Request,
+ content: bytes,
+ headers: Optional[dict] = None,
):
"""Check that an incoming request looks like a valid .well-known request, and
send back the response.
@@ -225,10 +231,37 @@ class MatrixFederationAgentTests(unittest.TestCase):
self.reactor.pump((0.1,))
- def test_get(self):
+ def _make_agent(self) -> MatrixFederationAgent:
"""
- happy-path test of a GET request with an explicit port
+ If a proxy server is set, the MatrixFederationAgent must be created again
+ because it is created too early during setUp
"""
+ return MatrixFederationAgent(
+ reactor=self.reactor,
+ tls_client_options_factory=self.tls_factory,
+ user_agent="test-agent", # Note that this is unused since _well_known_resolver is provided.
+ ip_whitelist=IPSet(),
+ ip_blacklist=IPSet(),
+ _srv_resolver=self.mock_resolver,
+ _well_known_resolver=self.well_known_resolver,
+ )
+
+ def test_get(self):
+ """happy-path test of a GET request with an explicit port"""
+ self._do_get()
+
+ @patch.dict(
+ os.environ,
+ {"https_proxy": "proxy.com", "no_proxy": "testserv"},
+ )
+ def test_get_bypass_proxy(self):
+ """test of a GET request with an explicit port and bypass proxy"""
+ self._do_get()
+
+ def _do_get(self):
+ """test of a GET request with an explicit port"""
+ self.agent = self._make_agent()
+
self.reactor.lookups["testserv"] = "1.2.3.4"
test_d = self._make_get_request(b"matrix://testserv:8448/foo/bar")
@@ -282,10 +315,188 @@ class MatrixFederationAgentTests(unittest.TestCase):
json = self.successResultOf(treq.json_content(response))
self.assertEqual(json, {"a": 1})
+ @patch.dict(
+ os.environ, {"https_proxy": "http://proxy.com", "no_proxy": "unused.com"}
+ )
+ def test_get_via_http_proxy(self):
+ """test for federation request through a http proxy"""
+ self._do_get_via_proxy(expect_proxy_ssl=False, expected_auth_credentials=None)
+
+ @patch.dict(
+ os.environ,
+ {"https_proxy": "http://user:pass@proxy.com", "no_proxy": "unused.com"},
+ )
+ def test_get_via_http_proxy_with_auth(self):
+ """test for federation request through a http proxy with authentication"""
+ self._do_get_via_proxy(
+ expect_proxy_ssl=False, expected_auth_credentials=b"user:pass"
+ )
+
+ @patch.dict(
+ os.environ, {"https_proxy": "https://proxy.com", "no_proxy": "unused.com"}
+ )
+ def test_get_via_https_proxy(self):
+ """test for federation request through a https proxy"""
+ self._do_get_via_proxy(expect_proxy_ssl=True, expected_auth_credentials=None)
+
+ @patch.dict(
+ os.environ,
+ {"https_proxy": "https://user:pass@proxy.com", "no_proxy": "unused.com"},
+ )
+ def test_get_via_https_proxy_with_auth(self):
+ """test for federation request through a https proxy with authentication"""
+ self._do_get_via_proxy(
+ expect_proxy_ssl=True, expected_auth_credentials=b"user:pass"
+ )
+
+ def _do_get_via_proxy(
+ self,
+ expect_proxy_ssl: bool = False,
+ expected_auth_credentials: Optional[bytes] = None,
+ ):
+ """Send a https federation request via an agent and check that it is correctly
+ received at the proxy and client. The proxy can use either http or https.
+ Args:
+ expect_proxy_ssl: True if we expect the request to connect to the proxy via https.
+ expected_auth_credentials: credentials we expect to be presented to authenticate at the proxy
+ """
+ self.agent = self._make_agent()
+
+ self.reactor.lookups["testserv"] = "1.2.3.4"
+ self.reactor.lookups["proxy.com"] = "9.9.9.9"
+ test_d = self._make_get_request(b"matrix://testserv:8448/foo/bar")
+
+ # Nothing happened yet
+ self.assertNoResult(test_d)
+
+ # Make sure treq is trying to connect
+ clients = self.reactor.tcpClients
+ self.assertEqual(len(clients), 1)
+ (host, port, client_factory, _timeout, _bindAddress) = clients[0]
+ # make sure we are connecting to the proxy
+ self.assertEqual(host, "9.9.9.9")
+ self.assertEqual(port, 1080)
+
+ # make a test server to act as the proxy, and wire up the client
+ proxy_server = self._make_connection(
+ client_factory,
+ ssl=expect_proxy_ssl,
+ tls_sanlist=[b"DNS:proxy.com"] if expect_proxy_ssl else None,
+ expected_sni=b"proxy.com" if expect_proxy_ssl else None,
+ )
+
+ assert isinstance(proxy_server, HTTPChannel)
+
+ # now there should be a pending CONNECT request
+ self.assertEqual(len(proxy_server.requests), 1)
+
+ request = proxy_server.requests[0]
+ self.assertEqual(request.method, b"CONNECT")
+ self.assertEqual(request.path, b"testserv:8448")
+
+ # Check whether auth credentials have been supplied to the proxy
+ proxy_auth_header_values = request.requestHeaders.getRawHeaders(
+ b"Proxy-Authorization"
+ )
+
+ if expected_auth_credentials is not None:
+ # Compute the correct header value for Proxy-Authorization
+ encoded_credentials = base64.b64encode(expected_auth_credentials)
+ expected_header_value = b"Basic " + encoded_credentials
+
+ # Validate the header's value
+ self.assertIn(expected_header_value, proxy_auth_header_values)
+ else:
+ # Check that the Proxy-Authorization header has not been supplied to the proxy
+ self.assertIsNone(proxy_auth_header_values)
+
+ # tell the proxy server not to close the connection
+ proxy_server.persistent = True
+
+ request.finish()
+
+ # now we make another test server to act as the upstream HTTP server.
+ server_ssl_protocol = _wrap_server_factory_for_tls(
+ _get_test_protocol_factory()
+ ).buildProtocol(None)
+
+ # Tell the HTTP server to send outgoing traffic back via the proxy's transport.
+ proxy_server_transport = proxy_server.transport
+ server_ssl_protocol.makeConnection(proxy_server_transport)
+
+ # ... and replace the protocol on the proxy's transport with the
+ # TLSMemoryBIOProtocol for the test server, so that incoming traffic
+ # to the proxy gets sent over to the HTTP(s) server.
+
+ # See also comment at `_do_https_request_via_proxy`
+ # in ../test_proxyagent.py for more details
+ if expect_proxy_ssl:
+ assert isinstance(proxy_server_transport, TLSMemoryBIOProtocol)
+ proxy_server_transport.wrappedProtocol = server_ssl_protocol
+ else:
+ assert isinstance(proxy_server_transport, FakeTransport)
+ client_protocol = proxy_server_transport.other
+ c2s_transport = client_protocol.transport
+ c2s_transport.other = server_ssl_protocol
+
+ self.reactor.advance(0)
+
+ server_name = server_ssl_protocol._tlsConnection.get_servername()
+ expected_sni = b"testserv"
+ self.assertEqual(
+ server_name,
+ expected_sni,
+ f"Expected SNI {expected_sni!s} but got {server_name!s}",
+ )
+
+ # now there should be a pending request
+ http_server = server_ssl_protocol.wrappedProtocol
+ self.assertEqual(len(http_server.requests), 1)
+
+ request = http_server.requests[0]
+ self.assertEqual(request.method, b"GET")
+ self.assertEqual(request.path, b"/foo/bar")
+ self.assertEqual(
+ request.requestHeaders.getRawHeaders(b"host"), [b"testserv:8448"]
+ )
+ self.assertEqual(
+ request.requestHeaders.getRawHeaders(b"user-agent"), [b"test-agent"]
+ )
+ # Check that the destination server DID NOT receive proxy credentials
+ self.assertIsNone(request.requestHeaders.getRawHeaders(b"Proxy-Authorization"))
+ content = request.content.read()
+ self.assertEqual(content, b"")
+
+ # Deferred is still without a result
+ self.assertNoResult(test_d)
+
+ # send the headers
+ request.responseHeaders.setRawHeaders(b"Content-Type", [b"application/json"])
+ request.write("")
+
+ self.reactor.pump((0.1,))
+
+ response = self.successResultOf(test_d)
+
+ # that should give us a Response object
+ self.assertEqual(response.code, 200)
+
+ # Send the body
+ request.write('{ "a": 1 }'.encode("ascii"))
+ request.finish()
+
+ self.reactor.pump((0.1,))
+
+ # check it can be read
+ json = self.successResultOf(treq.json_content(response))
+ self.assertEqual(json, {"a": 1})
+
def test_get_ip_address(self):
"""
Test the behaviour when the server name contains an explicit IP (with no port)
"""
+ self.agent = self._make_agent()
+
# there will be a getaddrinfo on the IP
self.reactor.lookups["1.2.3.4"] = "1.2.3.4"
@@ -320,6 +531,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
Test the behaviour when the server name contains an explicit IPv6 address
(with no port)
"""
+ self.agent = self._make_agent()
# there will be a getaddrinfo on the IP
self.reactor.lookups["::1"] = "::1"
@@ -355,6 +567,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
Test the behaviour when the server name contains an explicit IPv6 address
(with explicit port)
"""
+ self.agent = self._make_agent()
# there will be a getaddrinfo on the IP
self.reactor.lookups["::1"] = "::1"
@@ -389,6 +602,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""
Test the behaviour when the certificate on the server doesn't match the hostname
"""
+ self.agent = self._make_agent()
+
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
self.reactor.lookups["testserv1"] = "1.2.3.4"
@@ -441,6 +656,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
Test the behaviour when the server name contains an explicit IP, but
the server cert doesn't cover it
"""
+ self.agent = self._make_agent()
+
# there will be a getaddrinfo on the IP
self.reactor.lookups["1.2.3.5"] = "1.2.3.5"
@@ -471,6 +688,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""
Test the behaviour when the server name has no port, no SRV, and no well-known
"""
+ self.agent = self._make_agent()
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
self.reactor.lookups["testserv"] = "1.2.3.4"
@@ -524,6 +742,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
def test_get_well_known(self):
"""Test the behaviour when the .well-known delegates elsewhere"""
+ self.agent = self._make_agent()
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
self.reactor.lookups["testserv"] = "1.2.3.4"
@@ -587,6 +806,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""Test the behaviour when the server name has no port and no SRV record, but
the .well-known has a 300 redirect
"""
+ self.agent = self._make_agent()
+
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
self.reactor.lookups["testserv"] = "1.2.3.4"
self.reactor.lookups["target-server"] = "1::f"
@@ -675,6 +896,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""
Test the behaviour when the server name has an *invalid* well-known (and no SRV)
"""
+ self.agent = self._make_agent()
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
self.reactor.lookups["testserv"] = "1.2.3.4"
@@ -743,6 +965,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
reactor=self.reactor,
tls_client_options_factory=tls_factory,
user_agent=b"test-agent", # This is unused since _well_known_resolver is passed below.
+ ip_whitelist=IPSet(),
ip_blacklist=IPSet(),
_srv_resolver=self.mock_resolver,
_well_known_resolver=WellKnownResolver(
@@ -780,6 +1003,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""
Test the behaviour when there is a single SRV record
"""
+ self.agent = self._make_agent()
+
self.mock_resolver.resolve_service.side_effect = generate_resolve_service(
[Server(host=b"srvtarget", port=8443)]
)
@@ -820,6 +1045,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
"""Test the behaviour when the .well-known redirects to a place where there
is a SRV.
"""
+ self.agent = self._make_agent()
+
self.reactor.lookups["testserv"] = "1.2.3.4"
self.reactor.lookups["srvtarget"] = "5.6.7.8"
@@ -876,6 +1103,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
def test_idna_servername(self):
"""test the behaviour when the server name has idna chars in"""
+ self.agent = self._make_agent()
self.mock_resolver.resolve_service.side_effect = generate_resolve_service([])
@@ -937,6 +1165,7 @@ class MatrixFederationAgentTests(unittest.TestCase):
def test_idna_srv_target(self):
"""test the behaviour when the target of a SRV record has idna chars"""
+ self.agent = self._make_agent()
self.mock_resolver.resolve_service.side_effect = generate_resolve_service(
[Server(host=b"xn--trget-3qa.com", port=8443)] # târget.com
@@ -1140,6 +1369,8 @@ class MatrixFederationAgentTests(unittest.TestCase):
def test_srv_fallbacks(self):
"""Test that other SRV results are tried if the first one fails."""
+ self.agent = self._make_agent()
+
self.mock_resolver.resolve_service.side_effect = generate_resolve_service(
[
Server(host=b"target.com", port=8443),
@@ -1266,34 +1497,49 @@ def _check_logcontext(context):
raise AssertionError("Expected logcontext %s but was %s" % (context, current))
-def _build_test_server(connection_creator):
- """Construct a test server
-
- This builds an HTTP channel, wrapped with a TLSMemoryBIOProtocol
-
+def _wrap_server_factory_for_tls(
+ factory: IProtocolFactory, sanlist: Iterable[bytes] = None
+) -> IProtocolFactory:
+ """Wrap an existing Protocol Factory with a test TLSMemoryBIOFactory
+ The resultant factory will create a TLS server which presents a certificate
+ signed by our test CA, valid for the domains in `sanlist`
Args:
- connection_creator (IOpenSSLServerConnectionCreator): thing to build
- SSL connections
- sanlist (list[bytes]): list of the SAN entries for the cert returned
- by the server
+ factory: protocol factory to wrap
+ sanlist: list of domains the cert should be valid for
+ Returns:
+ interfaces.IProtocolFactory
+ """
+ if sanlist is None:
+ sanlist = [
+ b"DNS:testserv",
+ b"DNS:target-server",
+ b"DNS:xn--bcher-kva.com",
+ b"IP:1.2.3.4",
+ b"IP:::1",
+ ]
+
+ connection_creator = TestServerTLSConnectionFactory(sanlist=sanlist)
+ return TLSMemoryBIOFactory(
+ connection_creator, isClient=False, wrappedFactory=factory
+ )
+
+def _get_test_protocol_factory() -> IProtocolFactory:
+ """Get a protocol Factory which will build an HTTPChannel
Returns:
- TLSMemoryBIOProtocol
+ interfaces.IProtocolFactory
"""
server_factory = Factory.forProtocol(HTTPChannel)
+
# Request.finish expects the factory to have a 'log' method.
server_factory.log = _log_request
- server_tls_factory = TLSMemoryBIOFactory(
- connection_creator, isClient=False, wrappedFactory=server_factory
- )
-
- return server_tls_factory.buildProtocol(None)
+ return server_factory
-def _log_request(request):
+def _log_request(request: str):
"""Implements Factory.log, which is expected by Request.finish"""
- logger.info("Completed request %s", request)
+ logger.info(f"Completed request {request}")
@implementer(IPolicyForHTTPS)
diff --git a/tests/http/test_proxyagent.py b/tests/http/test_proxyagent.py
index e5865c161d..2db77c6a73 100644
--- a/tests/http/test_proxyagent.py
+++ b/tests/http/test_proxyagent.py
@@ -29,7 +29,8 @@ from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
from twisted.web.http import HTTPChannel
from synapse.http.client import BlacklistingReactorWrapper
-from synapse.http.proxyagent import ProxyAgent, ProxyCredentials, parse_proxy
+from synapse.http.connectproxyclient import ProxyCredentials
+from synapse.http.proxyagent import ProxyAgent, parse_proxy
from tests.http import TestServerTLSConnectionFactory, get_test_https_policy
from tests.server import FakeTransport, ThreadedMemoryReactorClock
@@ -392,7 +393,9 @@ class MatrixFederationAgentTests(TestCase):
"""
Tests that requests can be made through a proxy.
"""
- self._do_http_request_via_proxy(ssl=False, auth_credentials=None)
+ self._do_http_request_via_proxy(
+ expect_proxy_ssl=False, expected_auth_credentials=None
+ )
@patch.dict(
os.environ,
@@ -402,13 +405,17 @@ class MatrixFederationAgentTests(TestCase):
"""
Tests that authenticated requests can be made through a proxy.
"""
- self._do_http_request_via_proxy(ssl=False, auth_credentials=b"bob:pinkponies")
+ self._do_http_request_via_proxy(
+ expect_proxy_ssl=False, expected_auth_credentials=b"bob:pinkponies"
+ )
@patch.dict(
os.environ, {"http_proxy": "https://proxy.com:8888", "no_proxy": "unused.com"}
)
def test_http_request_via_https_proxy(self):
- self._do_http_request_via_proxy(ssl=True, auth_credentials=None)
+ self._do_http_request_via_proxy(
+ expect_proxy_ssl=True, expected_auth_credentials=None
+ )
@patch.dict(
os.environ,
@@ -418,12 +425,16 @@ class MatrixFederationAgentTests(TestCase):
},
)
def test_http_request_via_https_proxy_with_auth(self):
- self._do_http_request_via_proxy(ssl=True, auth_credentials=b"bob:pinkponies")
+ self._do_http_request_via_proxy(
+ expect_proxy_ssl=True, expected_auth_credentials=b"bob:pinkponies"
+ )
@patch.dict(os.environ, {"https_proxy": "proxy.com", "no_proxy": "unused.com"})
def test_https_request_via_proxy(self):
"""Tests that TLS-encrypted requests can be made through a proxy"""
- self._do_https_request_via_proxy(ssl=False, auth_credentials=None)
+ self._do_https_request_via_proxy(
+ expect_proxy_ssl=False, expected_auth_credentials=None
+ )
@patch.dict(
os.environ,
@@ -431,14 +442,18 @@ class MatrixFederationAgentTests(TestCase):
)
def test_https_request_via_proxy_with_auth(self):
"""Tests that authenticated, TLS-encrypted requests can be made through a proxy"""
- self._do_https_request_via_proxy(ssl=False, auth_credentials=b"bob:pinkponies")
+ self._do_https_request_via_proxy(
+ expect_proxy_ssl=False, expected_auth_credentials=b"bob:pinkponies"
+ )
@patch.dict(
os.environ, {"https_proxy": "https://proxy.com", "no_proxy": "unused.com"}
)
def test_https_request_via_https_proxy(self):
"""Tests that TLS-encrypted requests can be made through a proxy"""
- self._do_https_request_via_proxy(ssl=True, auth_credentials=None)
+ self._do_https_request_via_proxy(
+ expect_proxy_ssl=True, expected_auth_credentials=None
+ )
@patch.dict(
os.environ,
@@ -446,20 +461,22 @@ class MatrixFederationAgentTests(TestCase):
)
def test_https_request_via_https_proxy_with_auth(self):
"""Tests that authenticated, TLS-encrypted requests can be made through a proxy"""
- self._do_https_request_via_proxy(ssl=True, auth_credentials=b"bob:pinkponies")
+ self._do_https_request_via_proxy(
+ expect_proxy_ssl=True, expected_auth_credentials=b"bob:pinkponies"
+ )
def _do_http_request_via_proxy(
self,
- ssl: bool = False,
- auth_credentials: Optional[bytes] = None,
+ expect_proxy_ssl: bool = False,
+ expected_auth_credentials: Optional[bytes] = None,
):
"""Send a http request via an agent and check that it is correctly received at
the proxy. The proxy can use either http or https.
Args:
- ssl: True if we expect the request to connect via https to proxy
- auth_credentials: credentials to authenticate at proxy
+ expect_proxy_ssl: True if we expect the request to connect via https to proxy
+ expected_auth_credentials: credentials to authenticate at proxy
"""
- if ssl:
+ if expect_proxy_ssl:
agent = ProxyAgent(
self.reactor, use_proxy=True, contextFactory=get_test_https_policy()
)
@@ -480,9 +497,9 @@ class MatrixFederationAgentTests(TestCase):
http_server = self._make_connection(
client_factory,
_get_test_protocol_factory(),
- ssl=ssl,
- tls_sanlist=[b"DNS:proxy.com"] if ssl else None,
- expected_sni=b"proxy.com" if ssl else None,
+ ssl=expect_proxy_ssl,
+ tls_sanlist=[b"DNS:proxy.com"] if expect_proxy_ssl else None,
+ expected_sni=b"proxy.com" if expect_proxy_ssl else None,
)
# the FakeTransport is async, so we need to pump the reactor
@@ -498,9 +515,9 @@ class MatrixFederationAgentTests(TestCase):
b"Proxy-Authorization"
)
- if auth_credentials is not None:
+ if expected_auth_credentials is not None:
# Compute the correct header value for Proxy-Authorization
- encoded_credentials = base64.b64encode(auth_credentials)
+ encoded_credentials = base64.b64encode(expected_auth_credentials)
expected_header_value = b"Basic " + encoded_credentials
# Validate the header's value
@@ -523,14 +540,14 @@ class MatrixFederationAgentTests(TestCase):
def _do_https_request_via_proxy(
self,
- ssl: bool = False,
- auth_credentials: Optional[bytes] = None,
+ expect_proxy_ssl: bool = False,
+ expected_auth_credentials: Optional[bytes] = None,
):
"""Send a https request via an agent and check that it is correctly received at
the proxy and client. The proxy can use either http or https.
Args:
- ssl: True if we expect the request to connect via https to proxy
- auth_credentials: credentials to authenticate at proxy
+ expect_proxy_ssl: True if we expect the request to connect via https to proxy
+ expected_auth_credentials: credentials to authenticate at proxy
"""
agent = ProxyAgent(
self.reactor,
@@ -552,9 +569,9 @@ class MatrixFederationAgentTests(TestCase):
proxy_server = self._make_connection(
client_factory,
_get_test_protocol_factory(),
- ssl=ssl,
- tls_sanlist=[b"DNS:proxy.com"] if ssl else None,
- expected_sni=b"proxy.com" if ssl else None,
+ ssl=expect_proxy_ssl,
+ tls_sanlist=[b"DNS:proxy.com"] if expect_proxy_ssl else None,
+ expected_sni=b"proxy.com" if expect_proxy_ssl else None,
)
assert isinstance(proxy_server, HTTPChannel)
@@ -570,9 +587,9 @@ class MatrixFederationAgentTests(TestCase):
b"Proxy-Authorization"
)
- if auth_credentials is not None:
+ if expected_auth_credentials is not None:
# Compute the correct header value for Proxy-Authorization
- encoded_credentials = base64.b64encode(auth_credentials)
+ encoded_credentials = base64.b64encode(expected_auth_credentials)
expected_header_value = b"Basic " + encoded_credentials
# Validate the header's value
@@ -606,7 +623,7 @@ class MatrixFederationAgentTests(TestCase):
# Protocol to implement the proxy, which starts out by forwarding to an
# HTTPChannel (to implement the CONNECT command) and can then be switched
# into a mode where it forwards its traffic to another Protocol.)
- if ssl:
+ if expect_proxy_ssl:
assert isinstance(proxy_server_transport, TLSMemoryBIOProtocol)
proxy_server_transport.wrappedProtocol = server_ssl_protocol
else:
|