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synapse/tests/http/test_site.py
Dirk Klimpel 444588c5fc
Add some type hints to tests files (#12833)
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
2022-05-23 11:23:26 +00:00

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Python

# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# 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.
from twisted.internet.address import IPv6Address
from twisted.test.proto_helpers import StringTransport
from synapse.app.homeserver import SynapseHomeServer
from tests.unittest import HomeserverTestCase
class SynapseRequestTestCase(HomeserverTestCase):
def make_homeserver(self, reactor, clock):
return self.setup_test_homeserver(homeserver_to_use=SynapseHomeServer)
def test_large_request(self):
"""overlarge HTTP requests should be rejected"""
self.hs.start_listening()
# find the HTTP server which is configured to listen on port 0
(port, factory, _backlog, interface) = self.reactor.tcpServers[0]
self.assertEqual(interface, "::")
self.assertEqual(port, 0)
# as a control case, first send a regular request.
# complete the connection and wire it up to a fake transport
client_address = IPv6Address("TCP", "::1", 2345)
protocol = factory.buildProtocol(client_address)
transport = StringTransport()
protocol.makeConnection(transport)
protocol.dataReceived(
b"POST / HTTP/1.1\r\n"
b"Connection: close\r\n"
b"Transfer-Encoding: chunked\r\n"
b"\r\n"
b"0\r\n"
b"\r\n"
)
while not transport.disconnecting:
self.reactor.advance(1)
# we should get a 404
self.assertRegex(transport.value().decode(), r"^HTTP/1\.1 404 ")
# now send an oversized request
protocol = factory.buildProtocol(client_address)
transport = StringTransport()
protocol.makeConnection(transport)
protocol.dataReceived(
b"POST / HTTP/1.1\r\n"
b"Connection: close\r\n"
b"Transfer-Encoding: chunked\r\n"
b"\r\n"
)
# we deliberately send all the data in one big chunk, to ensure that
# twisted isn't buffering the data in the chunked transfer decoder.
# we start with the chunk size, in hex. (We won't actually send this much)
protocol.dataReceived(b"10000000\r\n")
sent = 0
while not transport.disconnected:
self.assertLess(sent, 0x10000000, "connection did not drop")
protocol.dataReceived(b"\0" * 1024)
sent += 1024
# default max upload size is 50M, so it should drop on the next buffer after
# that.
self.assertEqual(sent, 50 * 1024 * 1024 + 1024)