Add reactor to `SynapseRequest` and fix up types. (#10868)

24 files changed, 123 insertions, 82 deletions

diff --git a/changelog.d/10868.feature b/changelog.d/10868.feature
new file mode 100644
index 0000000000..07e7b2c6a7
--- /dev/null
+++ b/changelog.d/10868.feature
@@ -0,0 +1 @@
+Speed up responding with large JSON objects to requests.
diff --git a/synapse/http/server.py b/synapse/http/server.py
index b79fa722e9..e28b56abb9 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -320,7 +320,7 @@ class DirectServeJsonResource(_AsyncResource):
 
     def _send_response(
         self,
-        request: Request,
+        request: SynapseRequest,
         code: int,
         response_object: Any,
     ):
@@ -629,7 +629,7 @@ def _encode_json_bytes(json_object: Any) -> Iterator[bytes]:
 
 
 def respond_with_json(
-    request: Request,
+    request: SynapseRequest,
     code: int,
     json_object: Any,
     send_cors: bool = False,
diff --git a/synapse/http/site.py b/synapse/http/site.py
index dd4c749e16..755ad56637 100644
--- a/synapse/http/site.py
+++ b/synapse/http/site.py
@@ -14,13 +14,14 @@
 import contextlib
 import logging
 import time
-from typing import Optional, Tuple, Union
+from typing import Generator, Optional, Tuple, Union
 
 import attr
 from zope.interface import implementer
 
 from twisted.internet.interfaces import IAddress, IReactorTime
 from twisted.python.failure import Failure
+from twisted.web.http import HTTPChannel
 from twisted.web.resource import IResource, Resource
 from twisted.web.server import Request, Site
 
@@ -61,10 +62,18 @@ class SynapseRequest(Request):
         logcontext: the log context for this request
     """
 
-    def __init__(self, channel, *args, max_request_body_size: int = 1024, **kw):
-        Request.__init__(self, channel, *args, **kw)
+    def __init__(
+        self,
+        channel: HTTPChannel,
+        site: "SynapseSite",
+        *args,
+        max_request_body_size: int = 1024,
+        **kw,
+    ):
+        super().__init__(channel, *args, **kw)
         self._max_request_body_size = max_request_body_size
-        self.site: SynapseSite = channel.site
+        self.synapse_site = site
+        self.reactor = site.reactor
         self._channel = channel  # this is used by the tests
         self.start_time = 0.0
 
@@ -97,7 +106,7 @@ class SynapseRequest(Request):
             self.get_method(),
             self.get_redacted_uri(),
             self.clientproto.decode("ascii", errors="replace"),
-            self.site.site_tag,
+            self.synapse_site.site_tag,
         )
 
     def handleContentChunk(self, data: bytes) -> None:
@@ -216,7 +225,7 @@ class SynapseRequest(Request):
             request=ContextRequest(
                 request_id=request_id,
                 ip_address=self.getClientIP(),
-                site_tag=self.site.site_tag,
+                site_tag=self.synapse_site.site_tag,
                 # The requester is going to be unknown at this point.
                 requester=None,
                 authenticated_entity=None,
@@ -228,7 +237,7 @@ class SynapseRequest(Request):
         )
 
         # override the Server header which is set by twisted
-        self.setHeader("Server", self.site.server_version_string)
+        self.setHeader("Server", self.synapse_site.server_version_string)
 
         with PreserveLoggingContext(self.logcontext):
             # we start the request metrics timer here with an initial stab
@@ -247,7 +256,7 @@ class SynapseRequest(Request):
             requests_counter.labels(self.get_method(), self.request_metrics.name).inc()
 
     @contextlib.contextmanager
-    def processing(self):
+    def processing(self) -> Generator[None, None, None]:
         """Record the fact that we are processing this request.
 
         Returns a context manager; the correct way to use this is:
@@ -346,10 +355,10 @@ class SynapseRequest(Request):
             self.start_time, name=servlet_name, method=self.get_method()
         )
 
-        self.site.access_logger.debug(
+        self.synapse_site.access_logger.debug(
             "%s - %s - Received request: %s %s",
             self.getClientIP(),
-            self.site.site_tag,
+            self.synapse_site.site_tag,
             self.get_method(),
             self.get_redacted_uri(),
         )
@@ -388,13 +397,13 @@ class SynapseRequest(Request):
         if authenticated_entity:
             requester = f"{authenticated_entity}|{requester}"
 
-        self.site.access_logger.log(
+        self.synapse_site.access_logger.log(
             log_level,
             "%s - %s - {%s}"
             " Processed request: %.3fsec/%.3fsec (%.3fsec, %.3fsec) (%.3fsec/%.3fsec/%d)"
             ' %sB %s "%s %s %s" "%s" [%d dbevts]',
             self.getClientIP(),
-            self.site.site_tag,
+            self.synapse_site.site_tag,
             requester,
             processing_time,
             response_send_time,
@@ -522,7 +531,7 @@ class SynapseSite(Site):
         site_tag: str,
         config: ListenerConfig,
         resource: IResource,
-        server_version_string,
+        server_version_string: str,
         max_request_body_size: int,
         reactor: IReactorTime,
     ):
@@ -542,6 +551,7 @@ class SynapseSite(Site):
         Site.__init__(self, resource, reactor=reactor)
 
         self.site_tag = site_tag
+        self.reactor = reactor
 
         assert config.http_options is not None
         proxied = config.http_options.x_forwarded
@@ -550,6 +560,7 @@ class SynapseSite(Site):
         def request_factory(channel, queued: bool) -> Request:
             return request_class(
                 channel,
+                self,
                 max_request_body_size=max_request_body_size,
                 queued=queued,
             )
diff --git a/synapse/rest/key/v2/remote_key_resource.py b/synapse/rest/key/v2/remote_key_resource.py
index c111a9d20f..3923ba8439 100644
--- a/synapse/rest/key/v2/remote_key_resource.py
+++ b/synapse/rest/key/v2/remote_key_resource.py
@@ -17,12 +17,11 @@ from typing import TYPE_CHECKING, Dict
 
 from signedjson.sign import sign_json
 
-from twisted.web.server import Request
-
 from synapse.api.errors import Codes, SynapseError
 from synapse.crypto.keyring import ServerKeyFetcher
 from synapse.http.server import DirectServeJsonResource, respond_with_json
 from synapse.http.servlet import parse_integer, parse_json_object_from_request
+from synapse.http.site import SynapseRequest
 from synapse.types import JsonDict
 from synapse.util import json_decoder
 from synapse.util.async_helpers import yieldable_gather_results
@@ -102,7 +101,7 @@ class RemoteKey(DirectServeJsonResource):
         )
         self.config = hs.config
 
-    async def _async_render_GET(self, request: Request) -> None:
+    async def _async_render_GET(self, request: SynapseRequest) -> None:
         assert request.postpath is not None
         if len(request.postpath) == 1:
             (server,) = request.postpath
@@ -119,7 +118,7 @@ class RemoteKey(DirectServeJsonResource):
 
         await self.query_keys(request, query, query_remote_on_cache_miss=True)
 
-    async def _async_render_POST(self, request: Request) -> None:
+    async def _async_render_POST(self, request: SynapseRequest) -> None:
         content = parse_json_object_from_request(request)
 
         query = content["server_keys"]
@@ -128,7 +127,7 @@ class RemoteKey(DirectServeJsonResource):
 
     async def query_keys(
         self,
-        request: Request,
+        request: SynapseRequest,
         query: JsonDict,
         query_remote_on_cache_miss: bool = False,
     ) -> None:
diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py
index 7c881f2bdb..014fa893d6 100644
--- a/synapse/rest/media/v1/_base.py
+++ b/synapse/rest/media/v1/_base.py
@@ -27,6 +27,7 @@ from twisted.web.server import Request
 
 from synapse.api.errors import Codes, SynapseError, cs_error
 from synapse.http.server import finish_request, respond_with_json
+from synapse.http.site import SynapseRequest
 from synapse.logging.context import make_deferred_yieldable
 from synapse.util.stringutils import is_ascii
 
@@ -74,7 +75,7 @@ def parse_media_id(request: Request) -> Tuple[str, str, Optional[str]]:
         )
 
 
-def respond_404(request: Request) -> None:
+def respond_404(request: SynapseRequest) -> None:
     respond_with_json(
         request,
         404,
@@ -84,7 +85,7 @@ def respond_404(request: Request) -> None:
 
 
 async def respond_with_file(
-    request: Request,
+    request: SynapseRequest,
     media_type: str,
     file_path: str,
     file_size: Optional[int] = None,
@@ -221,7 +222,7 @@ def _can_encode_filename_as_token(x: str) -> bool:
 
 
 async def respond_with_responder(
-    request: Request,
+    request: SynapseRequest,
     responder: "Optional[Responder]",
     media_type: str,
     file_size: Optional[int],
diff --git a/synapse/rest/media/v1/config_resource.py b/synapse/rest/media/v1/config_resource.py
index a1d36e5cf1..712d4e8368 100644
--- a/synapse/rest/media/v1/config_resource.py
+++ b/synapse/rest/media/v1/config_resource.py
@@ -16,8 +16,6 @@
 
 from typing import TYPE_CHECKING
 
-from twisted.web.server import Request
-
 from synapse.http.server import DirectServeJsonResource, respond_with_json
 from synapse.http.site import SynapseRequest
 
@@ -39,5 +37,5 @@ class MediaConfigResource(DirectServeJsonResource):
         await self.auth.get_user_by_req(request)
         respond_with_json(request, 200, self.limits_dict, send_cors=True)
 
-    async def _async_render_OPTIONS(self, request: Request) -> None:
+    async def _async_render_OPTIONS(self, request: SynapseRequest) -> None:
         respond_with_json(request, 200, {}, send_cors=True)
diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py
index d6d938953e..6180fa575e 100644
--- a/synapse/rest/media/v1/download_resource.py
+++ b/synapse/rest/media/v1/download_resource.py
@@ -15,10 +15,9 @@
 import logging
 from typing import TYPE_CHECKING
 
-from twisted.web.server import Request
-
 from synapse.http.server import DirectServeJsonResource, set_cors_headers
 from synapse.http.servlet import parse_boolean
+from synapse.http.site import SynapseRequest
 
 from ._base import parse_media_id, respond_404
 
@@ -37,7 +36,7 @@ class DownloadResource(DirectServeJsonResource):
         self.media_repo = media_repo
         self.server_name = hs.hostname
 
-    async def _async_render_GET(self, request: Request) -> None:
+    async def _async_render_GET(self, request: SynapseRequest) -> None:
         set_cors_headers(request)
         request.setHeader(
             b"Content-Security-Policy",
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py
index a30007a1e2..c1bd81100d 100644
--- a/synapse/rest/media/v1/media_repository.py
+++ b/synapse/rest/media/v1/media_repository.py
@@ -23,7 +23,6 @@ import twisted.internet.error
 import twisted.web.http
 from twisted.internet.defer import Deferred
 from twisted.web.resource import Resource
-from twisted.web.server import Request
 
 from synapse.api.errors import (
     FederationDeniedError,
@@ -34,6 +33,7 @@ from synapse.api.errors import (
 )
 from synapse.config._base import ConfigError
 from synapse.config.repository import ThumbnailRequirement
+from synapse.http.site import SynapseRequest
 from synapse.logging.context import defer_to_thread
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.types import UserID
@@ -189,7 +189,7 @@ class MediaRepository:
         return "mxc://%s/%s" % (self.server_name, media_id)
 
     async def get_local_media(
-        self, request: Request, media_id: str, name: Optional[str]
+        self, request: SynapseRequest, media_id: str, name: Optional[str]
     ) -> None:
         """Responds to requests for local media, if exists, or returns 404.
 
@@ -223,7 +223,11 @@ class MediaRepository:
         )
 
     async def get_remote_media(
-        self, request: Request, server_name: str, media_id: str, name: Optional[str]
+        self,
+        request: SynapseRequest,
+        server_name: str,
+        media_id: str,
+        name: Optional[str],
     ) -> None:
         """Respond to requests for remote media.
 
diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py
index 9ffa983fbb..128706d297 100644
--- a/synapse/rest/media/v1/preview_url_resource.py
+++ b/synapse/rest/media/v1/preview_url_resource.py
@@ -29,7 +29,6 @@ import attr
 
 from twisted.internet.defer import Deferred
 from twisted.internet.error import DNSLookupError
-from twisted.web.server import Request
 
 from synapse.api.errors import Codes, SynapseError
 from synapse.http.client import SimpleHttpClient
@@ -168,7 +167,7 @@ class PreviewUrlResource(DirectServeJsonResource):
                 self._start_expire_url_cache_data, 10 * 1000
             )
 
-    async def _async_render_OPTIONS(self, request: Request) -> None:
+    async def _async_render_OPTIONS(self, request: SynapseRequest) -> None:
         request.setHeader(b"Allow", b"OPTIONS, GET")
         respond_with_json(request, 200, {}, send_cors=True)
 
diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py
index 22f43d8531..cb2f88676e 100644
--- a/synapse/rest/media/v1/thumbnail_resource.py
+++ b/synapse/rest/media/v1/thumbnail_resource.py
@@ -17,11 +17,10 @@
 import logging
 from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple
 
-from twisted.web.server import Request
-
 from synapse.api.errors import SynapseError
 from synapse.http.server import DirectServeJsonResource, set_cors_headers
 from synapse.http.servlet import parse_integer, parse_string
+from synapse.http.site import SynapseRequest
 from synapse.rest.media.v1.media_storage import MediaStorage
 
 from ._base import (
@@ -57,7 +56,7 @@ class ThumbnailResource(DirectServeJsonResource):
         self.dynamic_thumbnails = hs.config.dynamic_thumbnails
         self.server_name = hs.hostname
 
-    async def _async_render_GET(self, request: Request) -> None:
+    async def _async_render_GET(self, request: SynapseRequest) -> None:
         set_cors_headers(request)
         server_name, media_id, _ = parse_media_id(request)
         width = parse_integer(request, "width", required=True)
@@ -88,7 +87,7 @@ class ThumbnailResource(DirectServeJsonResource):
 
     async def _respond_local_thumbnail(
         self,
-        request: Request,
+        request: SynapseRequest,
         media_id: str,
         width: int,
         height: int,
@@ -121,7 +120,7 @@ class ThumbnailResource(DirectServeJsonResource):
 
     async def _select_or_generate_local_thumbnail(
         self,
-        request: Request,
+        request: SynapseRequest,
         media_id: str,
         desired_width: int,
         desired_height: int,
@@ -186,7 +185,7 @@ class ThumbnailResource(DirectServeJsonResource):
 
     async def _select_or_generate_remote_thumbnail(
         self,
-        request: Request,
+        request: SynapseRequest,
         server_name: str,
         media_id: str,
         desired_width: int,
@@ -249,7 +248,7 @@ class ThumbnailResource(DirectServeJsonResource):
 
     async def _respond_remote_thumbnail(
         self,
-        request: Request,
+        request: SynapseRequest,
         server_name: str,
         media_id: str,
         width: int,
@@ -280,7 +279,7 @@ class ThumbnailResource(DirectServeJsonResource):
 
     async def _select_and_respond_with_thumbnail(
         self,
-        request: Request,
+        request: SynapseRequest,
         desired_width: int,
         desired_height: int,
         desired_method: str,
diff --git a/synapse/rest/media/v1/upload_resource.py b/synapse/rest/media/v1/upload_resource.py
index 146adca8f1..39b29318bb 100644
--- a/synapse/rest/media/v1/upload_resource.py
+++ b/synapse/rest/media/v1/upload_resource.py
@@ -16,8 +16,6 @@
 import logging
 from typing import IO, TYPE_CHECKING, Dict, List, Optional
 
-from twisted.web.server import Request
-
 from synapse.api.errors import Codes, SynapseError
 from synapse.http.server import DirectServeJsonResource, respond_with_json
 from synapse.http.servlet import parse_bytes_from_args
@@ -46,7 +44,7 @@ class UploadResource(DirectServeJsonResource):
         self.max_upload_size = hs.config.max_upload_size
         self.clock = hs.get_clock()
 
-    async def _async_render_OPTIONS(self, request: Request) -> None:
+    async def _async_render_OPTIONS(self, request: SynapseRequest) -> None:
         respond_with_json(request, 200, {}, send_cors=True)
 
     async def _async_render_POST(self, request: SynapseRequest) -> None:
diff --git a/tests/http/test_additional_resource.py b/tests/http/test_additional_resource.py
index 768c2ba4ea..391196425c 100644
--- a/tests/http/test_additional_resource.py
+++ b/tests/http/test_additional_resource.py
@@ -45,7 +45,9 @@ class AdditionalResourceTests(HomeserverTestCase):
         handler = _AsyncTestCustomEndpoint({}, None).handle_request
         resource = AdditionalResource(self.hs, handler)
 
-        channel = make_request(self.reactor, FakeSite(resource), "GET", "/")
+        channel = make_request(
+            self.reactor, FakeSite(resource, self.reactor), "GET", "/"
+        )
 
         self.assertEqual(channel.code, 200)
         self.assertEqual(channel.json_body, {"some_key": "some_value_async"})
@@ -54,7 +56,9 @@ class AdditionalResourceTests(HomeserverTestCase):
         handler = _SyncTestCustomEndpoint({}, None).handle_request
         resource = AdditionalResource(self.hs, handler)
 
-        channel = make_request(self.reactor, FakeSite(resource), "GET", "/")
+        channel = make_request(
+            self.reactor, FakeSite(resource, self.reactor), "GET", "/"
+        )
 
         self.assertEqual(channel.code, 200)
         self.assertEqual(channel.json_body, {"some_key": "some_value_sync"})
diff --git a/tests/logging/test_terse_json.py b/tests/logging/test_terse_json.py
index 1160716929..f73fcd684e 100644
--- a/tests/logging/test_terse_json.py
+++ b/tests/logging/test_terse_json.py
@@ -152,7 +152,8 @@ class TerseJsonTestCase(LoggerCleanupMixin, TestCase):
         site = Mock(spec=["site_tag", "server_version_string", "getResourceFor"])
         site.site_tag = "test-site"
         site.server_version_string = "Server v1"
-        request = SynapseRequest(FakeChannel(site, None))
+        site.reactor = Mock()
+        request = SynapseRequest(FakeChannel(site, None), site)
         # Call requestReceived to finish instantiating the object.
         request.content = BytesIO()
         # Partially skip some of the internal processing of SynapseRequest.
diff --git a/tests/replication/test_multi_media_repo.py b/tests/replication/test_multi_media_repo.py
index 01b1b0d4a0..13aa5eb51a 100644
--- a/tests/replication/test_multi_media_repo.py
+++ b/tests/replication/test_multi_media_repo.py
@@ -68,7 +68,7 @@ class MediaRepoShardTestCase(BaseMultiWorkerStreamTestCase):
         resource = hs.get_media_repository_resource().children[b"download"]
         channel = make_request(
             self.reactor,
-            FakeSite(resource),
+            FakeSite(resource, self.reactor),
             "GET",
             f"/{target}/{media_id}",
             shorthand=False,
diff --git a/tests/rest/admin/test_admin.py b/tests/rest/admin/test_admin.py
index febd40b656..192073c520 100644
--- a/tests/rest/admin/test_admin.py
+++ b/tests/rest/admin/test_admin.py
@@ -201,7 +201,7 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
         """Ensure a piece of media is quarantined when trying to access it."""
         channel = make_request(
             self.reactor,
-            FakeSite(self.download_resource),
+            FakeSite(self.download_resource, self.reactor),
             "GET",
             server_and_media_id,
             shorthand=False,
@@ -271,7 +271,7 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
         # Attempt to access the media
         channel = make_request(
             self.reactor,
-            FakeSite(self.download_resource),
+            FakeSite(self.download_resource, self.reactor),
             "GET",
             server_name_and_media_id,
             shorthand=False,
@@ -458,7 +458,7 @@ class QuarantineMediaTestCase(unittest.HomeserverTestCase):
         # Attempt to access each piece of media
         channel = make_request(
             self.reactor,
-            FakeSite(self.download_resource),
+            FakeSite(self.download_resource, self.reactor),
             "GET",
             server_and_media_id_2,
             shorthand=False,
diff --git a/tests/rest/admin/test_media.py b/tests/rest/admin/test_media.py
index 2f02934e72..f813866073 100644
--- a/tests/rest/admin/test_media.py
+++ b/tests/rest/admin/test_media.py
@@ -125,7 +125,7 @@ class DeleteMediaByIDTestCase(unittest.HomeserverTestCase):
         # Attempt to access media
         channel = make_request(
             self.reactor,
-            FakeSite(download_resource),
+            FakeSite(download_resource, self.reactor),
             "GET",
             server_and_media_id,
             shorthand=False,
@@ -164,7 +164,7 @@ class DeleteMediaByIDTestCase(unittest.HomeserverTestCase):
         # Attempt to access media
         channel = make_request(
             self.reactor,
-            FakeSite(download_resource),
+            FakeSite(download_resource, self.reactor),
             "GET",
             server_and_media_id,
             shorthand=False,
@@ -525,7 +525,7 @@ class DeleteMediaByDateSizeTestCase(unittest.HomeserverTestCase):
 
         channel = make_request(
             self.reactor,
-            FakeSite(download_resource),
+            FakeSite(download_resource, self.reactor),
             "GET",
             server_and_media_id,
             shorthand=False,
diff --git a/tests/rest/admin/test_user.py b/tests/rest/admin/test_user.py
index cc3f16c62a..e79e0e1850 100644
--- a/tests/rest/admin/test_user.py
+++ b/tests/rest/admin/test_user.py
@@ -2973,7 +2973,7 @@ class UserMediaRestTestCase(unittest.HomeserverTestCase):
         # Try to access a media and to create `last_access_ts`
         channel = make_request(
             self.reactor,
-            FakeSite(download_resource),
+            FakeSite(download_resource, self.reactor),
             "GET",
             server_and_media_id,
             shorthand=False,
diff --git a/tests/rest/client/test_account.py b/tests/rest/client/test_account.py
index b946fca8b3..9e9e953cf4 100644
--- a/tests/rest/client/test_account.py
+++ b/tests/rest/client/test_account.py
@@ -312,7 +312,7 @@ class PasswordResetTestCase(unittest.HomeserverTestCase):
         # Load the password reset confirmation page
         channel = make_request(
             self.reactor,
-            FakeSite(self.submit_token_resource),
+            FakeSite(self.submit_token_resource, self.reactor),
             "GET",
             path,
             shorthand=False,
@@ -326,7 +326,7 @@ class PasswordResetTestCase(unittest.HomeserverTestCase):
         # Confirm the password reset
         channel = make_request(
             self.reactor,
-            FakeSite(self.submit_token_resource),
+            FakeSite(self.submit_token_resource, self.reactor),
             "POST",
             path,
             content=b"",
diff --git a/tests/rest/client/test_consent.py b/tests/rest/client/test_consent.py
index 65c58ce70a..84d092ca82 100644
--- a/tests/rest/client/test_consent.py
+++ b/tests/rest/client/test_consent.py
@@ -61,7 +61,11 @@ class ConsentResourceTestCase(unittest.HomeserverTestCase):
         """You can observe the terms form without specifying a user"""
         resource = consent_resource.ConsentResource(self.hs)
         channel = make_request(
-            self.reactor, FakeSite(resource), "GET", "/consent?v=1", shorthand=False
+            self.reactor,
+            FakeSite(resource, self.reactor),
+            "GET",
+            "/consent?v=1",
+            shorthand=False,
         )
         self.assertEqual(channel.code, 200)
 
@@ -83,7 +87,7 @@ class ConsentResourceTestCase(unittest.HomeserverTestCase):
         )
         channel = make_request(
             self.reactor,
-            FakeSite(resource),
+            FakeSite(resource, self.reactor),
             "GET",
             consent_uri,
             access_token=access_token,
@@ -98,7 +102,7 @@ class ConsentResourceTestCase(unittest.HomeserverTestCase):
         # POST to the consent page, saying we've agreed
         channel = make_request(
             self.reactor,
-            FakeSite(resource),
+            FakeSite(resource, self.reactor),
             "POST",
             consent_uri + "&v=" + version,
             access_token=access_token,
@@ -110,7 +114,7 @@ class ConsentResourceTestCase(unittest.HomeserverTestCase):
         # changed
         channel = make_request(
             self.reactor,
-            FakeSite(resource),
+            FakeSite(resource, self.reactor),
             "GET",
             consent_uri,
             access_token=access_token,
diff --git a/tests/rest/client/utils.py b/tests/rest/client/utils.py
index c56e45fc10..3075d3f288 100644
--- a/tests/rest/client/utils.py
+++ b/tests/rest/client/utils.py
@@ -383,7 +383,7 @@ class RestHelper:
         path = "/_matrix/media/r0/upload?filename=%s" % (filename,)
         channel = make_request(
             self.hs.get_reactor(),
-            FakeSite(resource),
+            FakeSite(resource, self.hs.get_reactor()),
             "POST",
             path,
             content=image_data,
diff --git a/tests/rest/key/v2/test_remote_key_resource.py b/tests/rest/key/v2/test_remote_key_resource.py
index a75c0ea3f0..4672a68596 100644
--- a/tests/rest/key/v2/test_remote_key_resource.py
+++ b/tests/rest/key/v2/test_remote_key_resource.py
@@ -84,7 +84,7 @@ class RemoteKeyResourceTestCase(BaseRemoteKeyResourceTestCase):
         Checks that the response is a 200 and returns the decoded json body.
         """
         channel = FakeChannel(self.site, self.reactor)
-        req = SynapseRequest(channel)
+        req = SynapseRequest(channel, self.site)
         req.content = BytesIO(b"")
         req.requestReceived(
             b"GET",
@@ -183,7 +183,7 @@ class EndToEndPerspectivesTests(BaseRemoteKeyResourceTestCase):
             )
 
             channel = FakeChannel(self.site, self.reactor)
-            req = SynapseRequest(channel)
+            req = SynapseRequest(channel, self.site)
             req.content = BytesIO(encode_canonical_json(data))
 
             req.requestReceived(
diff --git a/tests/rest/media/v1/test_media_storage.py b/tests/rest/media/v1/test_media_storage.py
index 9ea1c2bf25..44a643d506 100644
--- a/tests/rest/media/v1/test_media_storage.py
+++ b/tests/rest/media/v1/test_media_storage.py
@@ -252,7 +252,7 @@ class MediaRepoTests(unittest.HomeserverTestCase):
 
         channel = make_request(
             self.reactor,
-            FakeSite(self.download_resource),
+            FakeSite(self.download_resource, self.reactor),
             "GET",
             self.media_id,
             shorthand=False,
@@ -384,7 +384,7 @@ class MediaRepoTests(unittest.HomeserverTestCase):
         params = "?width=32&height=32&method=scale"
         channel = make_request(
             self.reactor,
-            FakeSite(self.thumbnail_resource),
+            FakeSite(self.thumbnail_resource, self.reactor),
             "GET",
             self.media_id + params,
             shorthand=False,
@@ -413,7 +413,7 @@ class MediaRepoTests(unittest.HomeserverTestCase):
 
         channel = make_request(
             self.reactor,
-            FakeSite(self.thumbnail_resource),
+            FakeSite(self.thumbnail_resource, self.reactor),
             "GET",
             self.media_id + params,
             shorthand=False,
@@ -433,7 +433,7 @@ class MediaRepoTests(unittest.HomeserverTestCase):
         params = "?width=32&height=32&method=" + method
         channel = make_request(
             self.reactor,
-            FakeSite(self.thumbnail_resource),
+            FakeSite(self.thumbnail_resource, self.reactor),
             "GET",
             self.media_id + params,
             shorthand=False,
diff --git a/tests/server.py b/tests/server.py
index b861c7b866..88dfa8058e 100644
--- a/tests/server.py
+++ b/tests/server.py
@@ -19,6 +19,7 @@ from twisted.internet.interfaces import (
     IPullProducer,
     IPushProducer,
     IReactorPluggableNameResolver,
+    IReactorTime,
     IResolverSimple,
     ITransport,
 )
@@ -181,13 +182,14 @@ class FakeSite:
     site_tag = "test"
     access_logger = logging.getLogger("synapse.access.http.fake")
 
-    def __init__(self, resource: IResource):
+    def __init__(self, resource: IResource, reactor: IReactorTime):
         """
 
         Args:
             resource: the resource to be used for rendering all requests
         """
         self._resource = resource
+        self.reactor = reactor
 
     def getResourceFor(self, request):
         return self._resource
@@ -268,7 +270,7 @@ def make_request(
 
     channel = FakeChannel(site, reactor, ip=client_ip)
 
-    req = request(channel)
+    req = request(channel, site)
     req.content = BytesIO(content)
     # Twisted expects to be at the end of the content when parsing the request.
     req.content.seek(SEEK_END)
diff --git a/tests/test_server.py b/tests/test_server.py
index 407e172e41..f2ffbc895b 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -65,7 +65,10 @@ class JsonResourceTests(unittest.TestCase):
         )
 
         make_request(
-            self.reactor, FakeSite(res), b"GET", b"/_matrix/foo/%E2%98%83?a=%E2%98%83"
+            self.reactor,
+            FakeSite(res, self.reactor),
+            b"GET",
+            b"/_matrix/foo/%E2%98%83?a=%E2%98%83",
         )
 
         self.assertEqual(got_kwargs, {"room_id": "\N{SNOWMAN}"})
@@ -84,7 +87,9 @@ class JsonResourceTests(unittest.TestCase):
             "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
         )
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/_matrix/foo")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
+        )
 
         self.assertEqual(channel.result["code"], b"500")
 
@@ -100,7 +105,7 @@ class JsonResourceTests(unittest.TestCase):
         def _callback(request, **kwargs):
             d = Deferred()
             d.addCallback(_throw)
-            self.reactor.callLater(1, d.callback, True)
+            self.reactor.callLater(0.5, d.callback, True)
             return make_deferred_yieldable(d)
 
         res = JsonResource(self.homeserver)
@@ -108,7 +113,9 @@ class JsonResourceTests(unittest.TestCase):
             "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
         )
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/_matrix/foo")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
+        )
 
         self.assertEqual(channel.result["code"], b"500")
 
@@ -126,7 +133,9 @@ class JsonResourceTests(unittest.TestCase):
             "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
         )
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/_matrix/foo")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foo"
+        )
 
         self.assertEqual(channel.result["code"], b"403")
         self.assertEqual(channel.json_body["error"], "Forbidden!!one!")
@@ -148,7 +157,9 @@ class JsonResourceTests(unittest.TestCase):
             "GET", [re.compile("^/_matrix/foo$")], _callback, "test_servlet"
         )
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/_matrix/foobar")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/_matrix/foobar"
+        )
 
         self.assertEqual(channel.result["code"], b"400")
         self.assertEqual(channel.json_body["error"], "Unrecognized request")
@@ -173,7 +184,9 @@ class JsonResourceTests(unittest.TestCase):
         )
 
         # The path was registered as GET, but this is a HEAD request.
-        channel = make_request(self.reactor, FakeSite(res), b"HEAD", b"/_matrix/foo")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"HEAD", b"/_matrix/foo"
+        )
 
         self.assertEqual(channel.result["code"], b"200")
         self.assertNotIn("body", channel.result)
@@ -280,7 +293,9 @@ class WrapHtmlRequestHandlerTests(unittest.TestCase):
         res = WrapHtmlRequestHandlerTests.TestResource()
         res.callback = callback
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/path")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
+        )
 
         self.assertEqual(channel.result["code"], b"200")
         body = channel.result["body"]
@@ -298,7 +313,9 @@ class WrapHtmlRequestHandlerTests(unittest.TestCase):
         res = WrapHtmlRequestHandlerTests.TestResource()
         res.callback = callback
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/path")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
+        )
 
         self.assertEqual(channel.result["code"], b"301")
         headers = channel.result["headers"]
@@ -319,7 +336,9 @@ class WrapHtmlRequestHandlerTests(unittest.TestCase):
         res = WrapHtmlRequestHandlerTests.TestResource()
         res.callback = callback
 
-        channel = make_request(self.reactor, FakeSite(res), b"GET", b"/path")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"GET", b"/path"
+        )
 
         self.assertEqual(channel.result["code"], b"304")
         headers = channel.result["headers"]
@@ -338,7 +357,9 @@ class WrapHtmlRequestHandlerTests(unittest.TestCase):
         res = WrapHtmlRequestHandlerTests.TestResource()
         res.callback = callback
 
-        channel = make_request(self.reactor, FakeSite(res), b"HEAD", b"/path")
+        channel = make_request(
+            self.reactor, FakeSite(res, self.reactor), b"HEAD", b"/path"
+        )
 
         self.assertEqual(channel.result["code"], b"200")
         self.assertNotIn("body", channel.result)