mirror of
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145 lines
4.8 KiB
Python
145 lines
4.8 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import json
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from http import HTTPStatus
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from io import BytesIO
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from typing import Tuple, Union
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from unittest.mock import Mock
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from synapse.api.errors import Codes, SynapseError
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from synapse.http.servlet import (
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RestServlet,
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parse_json_object_from_request,
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parse_json_value_from_request,
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)
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from synapse.http.site import SynapseRequest
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from synapse.rest.client._base import client_patterns
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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.cancellation import cancellable
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from tests import unittest
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from tests.http.server._base import test_disconnect
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def make_request(content: Union[bytes, JsonDict]) -> Mock:
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"""Make an object that acts enough like a request."""
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request = Mock(spec=["method", "uri", "content"])
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if isinstance(content, dict):
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content = json.dumps(content).encode("utf8")
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request.method = bytes("STUB_METHOD", "ascii")
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request.uri = bytes("/test_stub_uri", "ascii")
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request.content = BytesIO(content)
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return request
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class TestServletUtils(unittest.TestCase):
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def test_parse_json_value(self) -> None:
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"""Basic tests for parse_json_value_from_request."""
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# Test round-tripping.
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obj = {"foo": 1}
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result1 = parse_json_value_from_request(make_request(obj))
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self.assertEqual(result1, obj)
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# Results don't have to be objects.
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result2 = parse_json_value_from_request(make_request(b'["foo"]'))
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self.assertEqual(result2, ["foo"])
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# Test empty.
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with self.assertRaises(SynapseError):
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parse_json_value_from_request(make_request(b""))
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result3 = parse_json_value_from_request(
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make_request(b""), allow_empty_body=True
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)
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self.assertIsNone(result3)
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# Invalid UTF-8.
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with self.assertRaises(SynapseError):
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parse_json_value_from_request(make_request(b"\xFF\x00"))
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# Invalid JSON.
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with self.assertRaises(SynapseError):
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parse_json_value_from_request(make_request(b"foo"))
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with self.assertRaises(SynapseError):
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parse_json_value_from_request(make_request(b'{"foo": Infinity}'))
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def test_parse_json_object(self) -> None:
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"""Basic tests for parse_json_object_from_request."""
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# Test empty.
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result = parse_json_object_from_request(
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make_request(b""), allow_empty_body=True
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)
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self.assertEqual(result, {})
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# Test not an object
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with self.assertRaises(SynapseError):
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parse_json_object_from_request(make_request(b'["foo"]'))
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class CancellableRestServlet(RestServlet):
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"""A `RestServlet` with a mix of cancellable and uncancellable handlers."""
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PATTERNS = client_patterns("/sleep$")
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def __init__(self, hs: HomeServer):
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super().__init__()
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self.clock = hs.get_clock()
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@cancellable
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async def on_GET(self, request: SynapseRequest) -> 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(self, request: SynapseRequest) -> 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 TestRestServletCancellation(unittest.HomeserverTestCase):
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"""Tests for `RestServlet` cancellation."""
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servlets = [
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lambda hs, http_server: CancellableRestServlet(hs).register(http_server)
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]
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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_request("GET", "/sleep", await_result=False)
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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_request("POST", "/sleep", await_result=False)
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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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