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Fix destination_is errors seen in sentry. (#13041)
* Rename test_fedclient to match its source file * Require at least one destination to be truthy * Explicitly validate user ID in profile endpoint GETs Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
This commit is contained in:
David Robertson
GitHub
parent
aef398457f
commit
c99b511db9
7 changed files with 59 additions and 8 deletions
633
tests/http/test_matrixfederationclient.py
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633
tests/http/test_matrixfederationclient.py
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest.mock import Mock
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from netaddr import IPSet
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from parameterized import parameterized
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from twisted.internet import defer
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from twisted.internet.defer import TimeoutError
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from twisted.internet.error import ConnectingCancelledError, DNSLookupError
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from twisted.test.proto_helpers import StringTransport
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from twisted.web.client import ResponseNeverReceived
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from twisted.web.http import HTTPChannel
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from synapse.api.errors import RequestSendFailed
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from synapse.http.matrixfederationclient import (
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JsonParser,
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MatrixFederationHttpClient,
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MatrixFederationRequest,
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)
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from synapse.logging.context import SENTINEL_CONTEXT, LoggingContext, current_context
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from tests.server import FakeTransport
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from tests.unittest import HomeserverTestCase
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def check_logcontext(context):
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current = current_context()
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if current is not context:
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raise AssertionError("Expected logcontext %s but was %s" % (context, current))
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class FederationClientTests(HomeserverTestCase):
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def make_homeserver(self, reactor, clock):
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hs = self.setup_test_homeserver(reactor=reactor, clock=clock)
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return hs
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def prepare(self, reactor, clock, homeserver):
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self.cl = MatrixFederationHttpClient(self.hs, None)
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self.reactor.lookups["testserv"] = "1.2.3.4"
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def test_client_get(self):
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"""
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happy-path test of a GET request
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"""
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@defer.inlineCallbacks
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def do_request():
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with LoggingContext("one") as context:
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fetch_d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar")
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)
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# Nothing happened yet
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self.assertNoResult(fetch_d)
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# should have reset logcontext to the sentinel
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check_logcontext(SENTINEL_CONTEXT)
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try:
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fetch_res = yield fetch_d
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return fetch_res
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finally:
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check_logcontext(context)
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test_d = do_request()
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self.pump()
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# Nothing happened yet
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self.assertNoResult(test_d)
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# Make sure treq is trying to connect
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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(host, port, factory, _timeout, _bindAddress) = clients[0]
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self.assertEqual(host, "1.2.3.4")
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self.assertEqual(port, 8008)
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# complete the connection and wire it up to a fake transport
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protocol = factory.buildProtocol(None)
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transport = StringTransport()
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protocol.makeConnection(transport)
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# that should have made it send the request to the transport
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self.assertRegex(transport.value(), b"^GET /foo/bar")
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self.assertRegex(transport.value(), b"Host: testserv:8008")
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# Deferred is still without a result
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self.assertNoResult(test_d)
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# Send it the HTTP response
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res_json = b'{ "a": 1 }'
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protocol.dataReceived(
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b"HTTP/1.1 200 OK\r\n"
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b"Server: Fake\r\n"
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b"Content-Type: application/json\r\n"
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b"Content-Length: %i\r\n"
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b"\r\n"
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b"%s" % (len(res_json), res_json)
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)
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self.pump()
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res = self.successResultOf(test_d)
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# check the response is as expected
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self.assertEqual(res, {"a": 1})
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def test_dns_error(self):
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"""
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If the DNS lookup returns an error, it will bubble up.
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"""
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d = defer.ensureDeferred(
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self.cl.get_json("testserv2:8008", "foo/bar", timeout=10000)
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)
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self.pump()
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertIsInstance(f.value.inner_exception, DNSLookupError)
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def test_client_connection_refused(self):
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d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
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)
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self.pump()
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# Nothing happened yet
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self.assertNoResult(d)
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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(host, port, factory, _timeout, _bindAddress) = clients[0]
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self.assertEqual(host, "1.2.3.4")
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self.assertEqual(port, 8008)
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e = Exception("go away")
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factory.clientConnectionFailed(None, e)
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self.pump(0.5)
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertIs(f.value.inner_exception, e)
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def test_client_never_connect(self):
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"""
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If the HTTP request is not connected and is timed out, it'll give a
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ConnectingCancelledError or TimeoutError.
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"""
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d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
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)
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self.pump()
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# Nothing happened yet
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self.assertNoResult(d)
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# Make sure treq is trying to connect
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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self.assertEqual(clients[0][0], "1.2.3.4")
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self.assertEqual(clients[0][1], 8008)
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# Deferred is still without a result
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self.assertNoResult(d)
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# Push by enough to time it out
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self.reactor.advance(10.5)
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertIsInstance(
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f.value.inner_exception, (ConnectingCancelledError, TimeoutError)
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)
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def test_client_connect_no_response(self):
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"""
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If the HTTP request is connected, but gets no response before being
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timed out, it'll give a ResponseNeverReceived.
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"""
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d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar", timeout=10000)
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)
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self.pump()
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# Nothing happened yet
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self.assertNoResult(d)
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# Make sure treq is trying to connect
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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self.assertEqual(clients[0][0], "1.2.3.4")
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self.assertEqual(clients[0][1], 8008)
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conn = Mock()
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client = clients[0][2].buildProtocol(None)
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client.makeConnection(conn)
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# Deferred is still without a result
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self.assertNoResult(d)
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# Push by enough to time it out
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self.reactor.advance(10.5)
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertIsInstance(f.value.inner_exception, ResponseNeverReceived)
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def test_client_ip_range_blacklist(self):
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"""Ensure that Synapse does not try to connect to blacklisted IPs"""
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# Set up the ip_range blacklist
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self.hs.config.server.federation_ip_range_blacklist = IPSet(
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["127.0.0.0/8", "fe80::/64"]
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)
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self.reactor.lookups["internal"] = "127.0.0.1"
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self.reactor.lookups["internalv6"] = "fe80:0:0:0:0:8a2e:370:7337"
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self.reactor.lookups["fine"] = "10.20.30.40"
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cl = MatrixFederationHttpClient(self.hs, None)
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# Try making a GET request to a blacklisted IPv4 address
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# ------------------------------------------------------
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# Make the request
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d = defer.ensureDeferred(cl.get_json("internal:8008", "foo/bar", timeout=10000))
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# Nothing happened yet
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self.assertNoResult(d)
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self.pump(1)
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# Check that it was unable to resolve the address
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 0)
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertIsInstance(f.value.inner_exception, DNSLookupError)
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# Try making a POST request to a blacklisted IPv6 address
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# -------------------------------------------------------
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# Make the request
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d = defer.ensureDeferred(
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cl.post_json("internalv6:8008", "foo/bar", timeout=10000)
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)
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# Nothing has happened yet
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self.assertNoResult(d)
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# Move the reactor forwards
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self.pump(1)
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# Check that it was unable to resolve the address
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 0)
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# Check that it was due to a blacklisted DNS lookup
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f = self.failureResultOf(d, RequestSendFailed)
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self.assertIsInstance(f.value.inner_exception, DNSLookupError)
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# Try making a GET request to a non-blacklisted IPv4 address
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# ----------------------------------------------------------
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# Make the request
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d = defer.ensureDeferred(cl.post_json("fine:8008", "foo/bar", timeout=10000))
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# Nothing has happened yet
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self.assertNoResult(d)
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# Move the reactor forwards
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self.pump(1)
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# Check that it was able to resolve the address
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clients = self.reactor.tcpClients
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self.assertNotEqual(len(clients), 0)
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# Connection will still fail as this IP address does not resolve to anything
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f = self.failureResultOf(d, RequestSendFailed)
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self.assertIsInstance(f.value.inner_exception, ConnectingCancelledError)
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def test_client_gets_headers(self):
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"""
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Once the client gets the headers, _request returns successfully.
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"""
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request = MatrixFederationRequest(
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method="GET", destination="testserv:8008", path="foo/bar"
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)
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d = defer.ensureDeferred(self.cl._send_request(request, timeout=10000))
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self.pump()
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conn = Mock()
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clients = self.reactor.tcpClients
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client = clients[0][2].buildProtocol(None)
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client.makeConnection(conn)
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# Deferred does not have a result
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self.assertNoResult(d)
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# Send it the HTTP response
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client.dataReceived(b"HTTP/1.1 200 OK\r\nServer: Fake\r\n\r\n")
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# We should get a successful response
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r = self.successResultOf(d)
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self.assertEqual(r.code, 200)
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@parameterized.expand(["get_json", "post_json", "delete_json", "put_json"])
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def test_timeout_reading_body(self, method_name: str):
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"""
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If the HTTP request is connected, but gets no response before being
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timed out, it'll give a RequestSendFailed with can_retry.
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"""
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method = getattr(self.cl, method_name)
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d = defer.ensureDeferred(method("testserv:8008", "foo/bar", timeout=10000))
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self.pump()
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conn = Mock()
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clients = self.reactor.tcpClients
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client = clients[0][2].buildProtocol(None)
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client.makeConnection(conn)
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# Deferred does not have a result
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self.assertNoResult(d)
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# Send it the HTTP response
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client.dataReceived(
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b"HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n"
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b"Server: Fake\r\n\r\n"
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)
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# Push by enough to time it out
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self.reactor.advance(10.5)
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f = self.failureResultOf(d)
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self.assertIsInstance(f.value, RequestSendFailed)
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self.assertTrue(f.value.can_retry)
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self.assertIsInstance(f.value.inner_exception, defer.TimeoutError)
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def test_client_requires_trailing_slashes(self):
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"""
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If a connection is made to a client but the client rejects it due to
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requiring a trailing slash. We need to retry the request with a
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trailing slash. Workaround for Synapse <= v0.99.3, explained in #3622.
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"""
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d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
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)
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# Send the request
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self.pump()
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# there should have been a call to connectTCP
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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(_host, _port, factory, _timeout, _bindAddress) = clients[0]
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# complete the connection and wire it up to a fake transport
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client = factory.buildProtocol(None)
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conn = StringTransport()
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client.makeConnection(conn)
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# that should have made it send the request to the connection
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self.assertRegex(conn.value(), b"^GET /foo/bar")
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# Clear the original request data before sending a response
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conn.clear()
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# Send the HTTP response
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client.dataReceived(
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b"HTTP/1.1 400 Bad Request\r\n"
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b"Content-Type: application/json\r\n"
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b"Content-Length: 59\r\n"
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b"\r\n"
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b'{"errcode":"M_UNRECOGNIZED","error":"Unrecognized request"}'
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)
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# We should get another request with a trailing slash
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self.assertRegex(conn.value(), b"^GET /foo/bar/")
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# Send a happy response this time
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client.dataReceived(
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b"HTTP/1.1 200 OK\r\n"
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b"Content-Type: application/json\r\n"
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b"Content-Length: 2\r\n"
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b"\r\n"
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b"{}"
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)
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# We should get a successful response
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r = self.successResultOf(d)
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self.assertEqual(r, {})
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def test_client_does_not_retry_on_400_plus(self):
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"""
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Another test for trailing slashes but now test that we don't retry on
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trailing slashes on a non-400/M_UNRECOGNIZED response.
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See test_client_requires_trailing_slashes() for context.
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"""
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d = defer.ensureDeferred(
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self.cl.get_json("testserv:8008", "foo/bar", try_trailing_slash_on_400=True)
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)
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# Send the request
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self.pump()
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# there should have been a call to connectTCP
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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(_host, _port, factory, _timeout, _bindAddress) = clients[0]
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# complete the connection and wire it up to a fake transport
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client = factory.buildProtocol(None)
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conn = StringTransport()
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client.makeConnection(conn)
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# that should have made it send the request to the connection
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self.assertRegex(conn.value(), b"^GET /foo/bar")
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# Clear the original request data before sending a response
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conn.clear()
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# Send the HTTP response
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client.dataReceived(
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b"HTTP/1.1 404 Not Found\r\n"
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b"Content-Type: application/json\r\n"
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b"Content-Length: 2\r\n"
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b"\r\n"
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b"{}"
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)
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# We should not get another request
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self.assertEqual(conn.value(), b"")
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# We should get a 404 failure response
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self.failureResultOf(d)
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def test_client_sends_body(self):
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defer.ensureDeferred(
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self.cl.post_json(
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"testserv:8008", "foo/bar", timeout=10000, data={"a": "b"}
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)
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)
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self.pump()
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clients = self.reactor.tcpClients
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self.assertEqual(len(clients), 1)
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client = clients[0][2].buildProtocol(None)
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server = HTTPChannel()
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client.makeConnection(FakeTransport(server, self.reactor))
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server.makeConnection(FakeTransport(client, self.reactor))
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self.pump(0.1)
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self.assertEqual(len(server.requests), 1)
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request = server.requests[0]
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content = request.content.read()
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self.assertEqual(content, b'{"a":"b"}')
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def test_closes_connection(self):
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"""Check that the client closes unused HTTP connections"""
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d = defer.ensureDeferred(self.cl.get_json("testserv:8008", "foo/bar"))
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self.pump()
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|
||||
# there should have been a call to connectTCP
|
||||
clients = self.reactor.tcpClients
|
||||
self.assertEqual(len(clients), 1)
|
||||
(_host, _port, factory, _timeout, _bindAddress) = clients[0]
|
||||
|
||||
# complete the connection and wire it up to a fake transport
|
||||
client = factory.buildProtocol(None)
|
||||
conn = StringTransport()
|
||||
client.makeConnection(conn)
|
||||
|
||||
# that should have made it send the request to the connection
|
||||
self.assertRegex(conn.value(), b"^GET /foo/bar")
|
||||
|
||||
# Send the HTTP response
|
||||
client.dataReceived(
|
||||
b"HTTP/1.1 200 OK\r\n"
|
||||
b"Content-Type: application/json\r\n"
|
||||
b"Content-Length: 2\r\n"
|
||||
b"\r\n"
|
||||
b"{}"
|
||||
)
|
||||
|
||||
# We should get a successful response
|
||||
r = self.successResultOf(d)
|
||||
self.assertEqual(r, {})
|
||||
|
||||
self.assertFalse(conn.disconnecting)
|
||||
|
||||
# wait for a while
|
||||
self.reactor.advance(120)
|
||||
|
||||
self.assertTrue(conn.disconnecting)
|
||||
|
||||
@parameterized.expand([(b"",), (b"foo",), (b'{"a": Infinity}',)])
|
||||
def test_json_error(self, return_value):
|
||||
"""
|
||||
Test what happens if invalid JSON is returned from the remote endpoint.
|
||||
"""
|
||||
|
||||
test_d = defer.ensureDeferred(self.cl.get_json("testserv:8008", "foo/bar"))
|
||||
|
||||
self.pump()
|
||||
|
||||
# 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, factory, _timeout, _bindAddress) = clients[0]
|
||||
self.assertEqual(host, "1.2.3.4")
|
||||
self.assertEqual(port, 8008)
|
||||
|
||||
# complete the connection and wire it up to a fake transport
|
||||
protocol = factory.buildProtocol(None)
|
||||
transport = StringTransport()
|
||||
protocol.makeConnection(transport)
|
||||
|
||||
# that should have made it send the request to the transport
|
||||
self.assertRegex(transport.value(), b"^GET /foo/bar")
|
||||
self.assertRegex(transport.value(), b"Host: testserv:8008")
|
||||
|
||||
# Deferred is still without a result
|
||||
self.assertNoResult(test_d)
|
||||
|
||||
# Send it the HTTP response
|
||||
protocol.dataReceived(
|
||||
b"HTTP/1.1 200 OK\r\n"
|
||||
b"Server: Fake\r\n"
|
||||
b"Content-Type: application/json\r\n"
|
||||
b"Content-Length: %i\r\n"
|
||||
b"\r\n"
|
||||
b"%s" % (len(return_value), return_value)
|
||||
)
|
||||
|
||||
self.pump()
|
||||
|
||||
f = self.failureResultOf(test_d)
|
||||
self.assertIsInstance(f.value, RequestSendFailed)
|
||||
|
||||
def test_too_big(self):
|
||||
"""
|
||||
Test what happens if a huge response is returned from the remote endpoint.
|
||||
"""
|
||||
|
||||
test_d = defer.ensureDeferred(self.cl.get_json("testserv:8008", "foo/bar"))
|
||||
|
||||
self.pump()
|
||||
|
||||
# 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, factory, _timeout, _bindAddress) = clients[0]
|
||||
self.assertEqual(host, "1.2.3.4")
|
||||
self.assertEqual(port, 8008)
|
||||
|
||||
# complete the connection and wire it up to a fake transport
|
||||
protocol = factory.buildProtocol(None)
|
||||
transport = StringTransport()
|
||||
protocol.makeConnection(transport)
|
||||
|
||||
# that should have made it send the request to the transport
|
||||
self.assertRegex(transport.value(), b"^GET /foo/bar")
|
||||
self.assertRegex(transport.value(), b"Host: testserv:8008")
|
||||
|
||||
# Deferred is still without a result
|
||||
self.assertNoResult(test_d)
|
||||
|
||||
# Send it a huge HTTP response
|
||||
protocol.dataReceived(
|
||||
b"HTTP/1.1 200 OK\r\n"
|
||||
b"Server: Fake\r\n"
|
||||
b"Content-Type: application/json\r\n"
|
||||
b"\r\n"
|
||||
)
|
||||
|
||||
self.pump()
|
||||
|
||||
# should still be waiting
|
||||
self.assertNoResult(test_d)
|
||||
|
||||
sent = 0
|
||||
chunk_size = 1024 * 512
|
||||
while not test_d.called:
|
||||
protocol.dataReceived(b"a" * chunk_size)
|
||||
sent += chunk_size
|
||||
self.assertLessEqual(sent, JsonParser.MAX_RESPONSE_SIZE)
|
||||
|
||||
self.assertEqual(sent, JsonParser.MAX_RESPONSE_SIZE)
|
||||
|
||||
f = self.failureResultOf(test_d)
|
||||
self.assertIsInstance(f.value, RequestSendFailed)
|
||||
|
||||
self.assertTrue(transport.disconnecting)
|
||||
|
||||
def test_build_auth_headers_rejects_falsey_destinations(self) -> None:
|
||||
with self.assertRaises(ValueError):
|
||||
self.cl.build_auth_headers(None, b"GET", b"https://example.com")
|
||||
with self.assertRaises(ValueError):
|
||||
self.cl.build_auth_headers(b"", b"GET", b"https://example.com")
|
||||
with self.assertRaises(ValueError):
|
||||
self.cl.build_auth_headers(
|
||||
None, b"GET", b"https://example.com", destination_is=b""
|
||||
)
|
||||
with self.assertRaises(ValueError):
|
||||
self.cl.build_auth_headers(
|
||||
b"", b"GET", b"https://example.com", destination_is=b""
|
||||
)
|
||||
Loading…
Add table
Add a link
Reference in a new issue