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https://github.com/element-hq/synapse
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During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
260 lines
9.5 KiB
Python
260 lines
9.5 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 2020-2021 The Matrix.org Foundation C.I.C.
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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 logging
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import os
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from typing import Any, Optional, Tuple
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from twisted.internet.protocol import Factory
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from twisted.test.proto_helpers import MemoryReactor
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from twisted.web.http import HTTPChannel
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from twisted.web.server import Request
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from synapse.rest import admin
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from synapse.rest.client import login
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from synapse.server import HomeServer
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from synapse.util import Clock
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from tests.http import (
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TestServerTLSConnectionFactory,
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get_test_ca_cert_file,
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wrap_server_factory_for_tls,
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)
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from tests.replication._base import BaseMultiWorkerStreamTestCase
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from tests.server import FakeChannel, FakeTransport, make_request
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from tests.test_utils import SMALL_PNG
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logger = logging.getLogger(__name__)
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test_server_connection_factory: Optional[TestServerTLSConnectionFactory] = None
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class MediaRepoShardTestCase(BaseMultiWorkerStreamTestCase):
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"""Checks running multiple media repos work correctly."""
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servlets = [
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admin.register_servlets_for_client_rest_resource,
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login.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.user_id = self.register_user("user", "pass")
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self.access_token = self.login("user", "pass")
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self.reactor.lookups["example.com"] = "1.2.3.4"
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def default_config(self) -> dict:
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conf = super().default_config()
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conf["federation_custom_ca_list"] = [get_test_ca_cert_file()]
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return conf
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def make_worker_hs(
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self, worker_app: str, extra_config: Optional[dict] = None, **kwargs: Any
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) -> HomeServer:
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worker_hs = super().make_worker_hs(worker_app, extra_config, **kwargs)
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# Force the media paths onto the replication resource.
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worker_hs.get_media_repository_resource().register_servlets(
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self._hs_to_site[worker_hs].resource, worker_hs
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)
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return worker_hs
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def _get_media_req(
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self, hs: HomeServer, target: str, media_id: str
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) -> Tuple[FakeChannel, Request]:
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"""Request some remote media from the given HS by calling the download
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API.
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This then triggers an outbound request from the HS to the target.
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Returns:
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The channel for the *client* request and the *outbound* request for
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the media which the caller should respond to.
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"""
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channel = make_request(
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self.reactor,
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self._hs_to_site[hs],
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"GET",
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f"/_matrix/media/r0/download/{target}/{media_id}",
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shorthand=False,
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access_token=self.access_token,
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await_result=False,
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)
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self.pump()
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clients = self.reactor.tcpClients
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self.assertGreaterEqual(len(clients), 1)
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(host, port, client_factory, _timeout, _bindAddress) = clients.pop()
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# build the test server
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server_factory = Factory.forProtocol(HTTPChannel)
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# Request.finish expects the factory to have a 'log' method.
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server_factory.log = _log_request
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server_tls_protocol = wrap_server_factory_for_tls(
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server_factory, self.reactor, sanlist=[b"DNS:example.com"]
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).buildProtocol(None)
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# now, tell the client protocol factory to build the client protocol (it will be a
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# _WrappingProtocol, around a TLSMemoryBIOProtocol, around an
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# HTTP11ClientProtocol) and wire the output of said protocol up to the server via
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# a FakeTransport.
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#
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# Normally this would be done by the TCP socket code in Twisted, but we are
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# stubbing that out here.
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client_protocol = client_factory.buildProtocol(None)
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client_protocol.makeConnection(
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FakeTransport(server_tls_protocol, self.reactor, client_protocol)
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)
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# tell the server tls protocol to send its stuff back to the client, too
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server_tls_protocol.makeConnection(
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FakeTransport(client_protocol, self.reactor, server_tls_protocol)
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)
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# fish the test server back out of the server-side TLS protocol.
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http_server: HTTPChannel = server_tls_protocol.wrappedProtocol
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# give the reactor a pump to get the TLS juices flowing.
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self.reactor.pump((0.1,))
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self.assertEqual(len(http_server.requests), 1)
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request = http_server.requests[0]
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self.assertEqual(request.method, b"GET")
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self.assertEqual(
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request.path,
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f"/_matrix/media/v3/download/{target}/{media_id}".encode(),
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)
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self.assertEqual(
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request.requestHeaders.getRawHeaders(b"host"), [target.encode("utf-8")]
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)
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return channel, request
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def test_basic(self) -> None:
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"""Test basic fetching of remote media from a single worker."""
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hs1 = self.make_worker_hs("synapse.app.generic_worker")
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channel, request = self._get_media_req(hs1, "example.com:443", "ABC123")
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request.setResponseCode(200)
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request.responseHeaders.setRawHeaders(b"Content-Type", [b"text/plain"])
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request.write(b"Hello!")
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request.finish()
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self.pump(0.1)
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self.assertEqual(channel.code, 200)
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self.assertEqual(channel.result["body"], b"Hello!")
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def test_download_simple_file_race(self) -> None:
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"""Test that fetching remote media from two different processes at the
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same time works.
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"""
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hs1 = self.make_worker_hs("synapse.app.generic_worker")
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hs2 = self.make_worker_hs("synapse.app.generic_worker")
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start_count = self._count_remote_media()
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# Make two requests without responding to the outbound media requests.
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channel1, request1 = self._get_media_req(hs1, "example.com:443", "ABC123")
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channel2, request2 = self._get_media_req(hs2, "example.com:443", "ABC123")
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# Respond to the first outbound media request and check that the client
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# request is successful
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request1.setResponseCode(200)
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request1.responseHeaders.setRawHeaders(b"Content-Type", [b"text/plain"])
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request1.write(b"Hello!")
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request1.finish()
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self.pump(0.1)
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self.assertEqual(channel1.code, 200, channel1.result["body"])
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self.assertEqual(channel1.result["body"], b"Hello!")
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# Now respond to the second with the same content.
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request2.setResponseCode(200)
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request2.responseHeaders.setRawHeaders(b"Content-Type", [b"text/plain"])
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request2.write(b"Hello!")
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request2.finish()
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self.pump(0.1)
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self.assertEqual(channel2.code, 200, channel2.result["body"])
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self.assertEqual(channel2.result["body"], b"Hello!")
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# We expect only one new file to have been persisted.
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self.assertEqual(start_count + 1, self._count_remote_media())
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def test_download_image_race(self) -> None:
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"""Test that fetching remote *images* from two different processes at
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the same time works.
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This checks that races generating thumbnails are handled correctly.
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"""
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hs1 = self.make_worker_hs("synapse.app.generic_worker")
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hs2 = self.make_worker_hs("synapse.app.generic_worker")
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start_count = self._count_remote_thumbnails()
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channel1, request1 = self._get_media_req(hs1, "example.com:443", "PIC1")
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channel2, request2 = self._get_media_req(hs2, "example.com:443", "PIC1")
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request1.setResponseCode(200)
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request1.responseHeaders.setRawHeaders(b"Content-Type", [b"image/png"])
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request1.write(SMALL_PNG)
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request1.finish()
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self.pump(0.1)
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self.assertEqual(channel1.code, 200, channel1.result["body"])
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self.assertEqual(channel1.result["body"], SMALL_PNG)
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request2.setResponseCode(200)
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request2.responseHeaders.setRawHeaders(b"Content-Type", [b"image/png"])
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request2.write(SMALL_PNG)
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request2.finish()
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self.pump(0.1)
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self.assertEqual(channel2.code, 200, channel2.result["body"])
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self.assertEqual(channel2.result["body"], SMALL_PNG)
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# We expect only three new thumbnails to have been persisted.
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self.assertEqual(start_count + 3, self._count_remote_thumbnails())
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def _count_remote_media(self) -> int:
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"""Count the number of files in our remote media directory."""
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path = os.path.join(
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self.hs.get_media_repository().primary_base_path, "remote_content"
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)
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return sum(len(files) for _, _, files in os.walk(path))
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def _count_remote_thumbnails(self) -> int:
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"""Count the number of files in our remote thumbnails directory."""
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path = os.path.join(
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self.hs.get_media_repository().primary_base_path, "remote_thumbnail"
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)
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return sum(len(files) for _, _, files in os.walk(path))
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def _log_request(request: Request) -> None:
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"""Implements Factory.log, which is expected by Request.finish"""
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logger.info("Completed request %s", request)
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