mirror of
https://mau.dev/maunium/synapse.git
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137 lines
4.5 KiB
Python
137 lines
4.5 KiB
Python
# Copyright 2020 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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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
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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):
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"""Make an object that acts enough like a request."""
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request = Mock(spec=["content"])
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if isinstance(content, dict):
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content = json.dumps(content).encode("utf8")
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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):
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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):
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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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