113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
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# Copyright 2022 The Matrix.org Foundation C.I.C.
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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 http import HTTPStatus
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from typing import Dict, List, Tuple
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from synapse.api.errors import Codes
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from synapse.federation.transport.server import BaseFederationServlet
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from synapse.federation.transport.server._base import Authenticator
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from synapse.http.server import JsonResource, cancellable
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util.ratelimitutils import FederationRateLimiter
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from tests import unittest
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from tests.http.server._base import EndpointCancellationTestHelperMixin
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class CancellableFederationServlet(BaseFederationServlet):
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PATH = "/sleep"
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def __init__(
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self,
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hs: HomeServer,
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authenticator: Authenticator,
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ratelimiter: FederationRateLimiter,
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server_name: str,
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):
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super().__init__(hs, authenticator, ratelimiter, server_name)
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self.clock = hs.get_clock()
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@cancellable
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async def on_GET(
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self, origin: str, content: None, query: Dict[bytes, List[bytes]]
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) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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async def on_POST(
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self, origin: str, content: JsonDict, query: Dict[bytes, List[bytes]]
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) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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class BaseFederationServletCancellationTests(
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unittest.FederatingHomeserverTestCase, EndpointCancellationTestHelperMixin
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):
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"""Tests for `BaseFederationServlet` cancellation."""
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path = f"{CancellableFederationServlet.PREFIX}{CancellableFederationServlet.PATH}"
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def create_test_resource(self):
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"""Overrides `HomeserverTestCase.create_test_resource`."""
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resource = JsonResource(self.hs)
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CancellableFederationServlet(
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hs=self.hs,
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authenticator=Authenticator(self.hs),
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ratelimiter=self.hs.get_federation_ratelimiter(),
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server_name=self.hs.hostname,
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).register(resource)
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return resource
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def test_cancellable_disconnect(self) -> None:
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"""Test that handlers with the `@cancellable` flag can be cancelled."""
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channel = self.make_signed_federation_request(
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"GET", self.path, await_result=False
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)
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# Advance past all the rate limiting logic. If we disconnect too early, the
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# request won't be processed.
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self.pump()
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self._test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=True,
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expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
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)
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def test_uncancellable_disconnect(self) -> None:
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"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
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channel = self.make_signed_federation_request(
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"POST",
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self.path,
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content={},
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await_result=False,
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)
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# Advance past all the rate limiting logic. If we disconnect too early, the
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# request won't be processed.
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self.pump()
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self._test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=False,
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expected_body={"result": True},
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)
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