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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2022 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from http import HTTPStatus
from typing import Dict, List, Tuple
from twisted.web.resource import Resource
from synapse.api.errors import Codes
from synapse.federation.transport.server import BaseFederationServlet
from synapse.federation.transport.server._base import Authenticator, _parse_auth_header
from synapse.http.server import JsonResource
from synapse.server import HomeServer
from synapse.types import JsonDict
from synapse.util.cancellation import cancellable
from synapse.util.ratelimitutils import FederationRateLimiter
from tests import unittest
class CancellableFederationServlet(BaseFederationServlet):
PATH = "/sleep"
def __init__(
self,
hs: HomeServer,
authenticator: Authenticator,
ratelimiter: FederationRateLimiter,
server_name: str,
):
super().__init__(hs, authenticator, ratelimiter, server_name)
self.clock = hs.get_clock()
@cancellable
async def on_GET(
self, origin: str, content: None, query: Dict[bytes, List[bytes]]
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
async def on_POST(
self, origin: str, content: JsonDict, query: Dict[bytes, List[bytes]]
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
class BaseFederationServletCancellationTests(unittest.FederatingHomeserverTestCase):
"""Tests for `BaseFederationServlet` cancellation."""
skip = "`BaseFederationServlet` does not support cancellation yet."
path = f"{CancellableFederationServlet.PREFIX}{CancellableFederationServlet.PATH}"
def create_test_resource(self) -> Resource:
"""Overrides `HomeserverTestCase.create_test_resource`."""
resource = JsonResource(self.hs)
CancellableFederationServlet(
hs=self.hs,
authenticator=Authenticator(self.hs),
ratelimiter=self.hs.get_federation_ratelimiter(),
server_name=self.hs.hostname,
).register(resource)
return resource
def test_cancellable_disconnect(self) -> None:
"""Test that handlers with the `@cancellable` flag can be cancelled."""
channel = self.make_signed_federation_request(
"GET", self.path, await_result=False
)
# Advance past all the rate limiting logic. If we disconnect too early, the
# request won't be processed.
self.pump()
from tests.http.server._base import test_disconnect
test_disconnect(
self.reactor,
channel,
expect_cancellation=True,
expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
)
def test_uncancellable_disconnect(self) -> None:
"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
channel = self.make_signed_federation_request(
"POST",
self.path,
content={},
await_result=False,
)
# Advance past all the rate limiting logic. If we disconnect too early, the
# request won't be processed.
self.pump()
from tests.http.server._base import test_disconnect
test_disconnect(
self.reactor,
channel,
expect_cancellation=False,
expected_body={"result": True},
)
class BaseFederationAuthorizationTests(unittest.TestCase):
def test_authorization_header(self) -> None:
"""Tests that the Authorization header is parsed correctly."""
# test a "normal" Authorization header
self.assertEqual(
_parse_auth_header(
b'X-Matrix origin=foo,key="ed25519:1",sig="sig",destination="bar"'
),
("foo", "ed25519:1", "sig", "bar"),
)
# test an Authorization with extra spaces, upper-case names, and escaped
# characters
self.assertEqual(
_parse_auth_header(
b'X-Matrix ORIGIN=foo,KEY="ed25\\519:1",SIG="sig",destination="bar"'
),
("foo", "ed25519:1", "sig", "bar"),
)
self.assertEqual(
_parse_auth_header(
b'X-Matrix origin=foo,key="ed25519:1",sig="sig",destination="bar",extra_field=ignored'
),
("foo", "ed25519:1", "sig", "bar"),
)
# test that "optional whitespace(s)" (space and tabulation) are allowed between comma-separated auth-param components
self.assertEqual(
_parse_auth_header(
b'X-Matrix origin=foo , key="ed25519:1", sig="sig", destination="bar", extra_field=ignored'
),
("foo", "ed25519:1", "sig", "bar"),
)
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