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-rw-r--r--synapse/rest/admin/background_updates.py44
-rw-r--r--synapse/rest/admin/federation.py26
-rw-r--r--synapse/rest/admin/media.py2
-rw-r--r--synapse/rest/admin/rooms.py16
-rw-r--r--synapse/rest/admin/users.py13
-rw-r--r--synapse/rest/client/events.py2
-rw-r--r--synapse/rest/client/notifications.py2
-rw-r--r--synapse/rest/client/relations.py136
-rw-r--r--synapse/rest/client/room.py28
-rw-r--r--synapse/rest/client/sync.py28
-rw-r--r--synapse/rest/media/v1/media_storage.py6
11 files changed, 97 insertions, 206 deletions
diff --git a/synapse/rest/admin/background_updates.py b/synapse/rest/admin/background_updates.py
index 6ec00ce0b9..e9bce22a34 100644
--- a/synapse/rest/admin/background_updates.py
+++ b/synapse/rest/admin/background_updates.py
@@ -123,34 +123,25 @@ class BackgroundUpdateStartJobRestServlet(RestServlet):
         job_name = body["job_name"]
 
         if job_name == "populate_stats_process_rooms":
-            jobs = [
-                {
-                    "update_name": "populate_stats_process_rooms",
-                    "progress_json": "{}",
-                },
-            ]
+            jobs = [("populate_stats_process_rooms", "{}", "")]
         elif job_name == "regenerate_directory":
             jobs = [
-                {
-                    "update_name": "populate_user_directory_createtables",
-                    "progress_json": "{}",
-                    "depends_on": "",
-                },
-                {
-                    "update_name": "populate_user_directory_process_rooms",
-                    "progress_json": "{}",
-                    "depends_on": "populate_user_directory_createtables",
-                },
-                {
-                    "update_name": "populate_user_directory_process_users",
-                    "progress_json": "{}",
-                    "depends_on": "populate_user_directory_process_rooms",
-                },
-                {
-                    "update_name": "populate_user_directory_cleanup",
-                    "progress_json": "{}",
-                    "depends_on": "populate_user_directory_process_users",
-                },
+                ("populate_user_directory_createtables", "{}", ""),
+                (
+                    "populate_user_directory_process_rooms",
+                    "{}",
+                    "populate_user_directory_createtables",
+                ),
+                (
+                    "populate_user_directory_process_users",
+                    "{}",
+                    "populate_user_directory_process_rooms",
+                ),
+                (
+                    "populate_user_directory_cleanup",
+                    "{}",
+                    "populate_user_directory_process_users",
+                ),
             ]
         else:
             raise SynapseError(HTTPStatus.BAD_REQUEST, "Invalid job_name")
@@ -158,6 +149,7 @@ class BackgroundUpdateStartJobRestServlet(RestServlet):
         try:
             await self._store.db_pool.simple_insert_many(
                 table="background_updates",
+                keys=("update_name", "progress_json", "depends_on"),
                 values=jobs,
                 desc=f"admin_api_run_{job_name}",
             )
diff --git a/synapse/rest/admin/federation.py b/synapse/rest/admin/federation.py
index 50d88c9109..8cd3fa189e 100644
--- a/synapse/rest/admin/federation.py
+++ b/synapse/rest/admin/federation.py
@@ -111,25 +111,37 @@ class DestinationsRestServlet(RestServlet):
     ) -> Tuple[int, JsonDict]:
         await assert_requester_is_admin(self._auth, request)
 
+        if not await self._store.is_destination_known(destination):
+            raise NotFoundError("Unknown destination")
+
         destination_retry_timings = await self._store.get_destination_retry_timings(
             destination
         )
 
-        if not destination_retry_timings:
-            raise NotFoundError("Unknown destination")
-
         last_successful_stream_ordering = (
             await self._store.get_destination_last_successful_stream_ordering(
                 destination
             )
         )
 
-        response = {
+        response: JsonDict = {
             "destination": destination,
-            "failure_ts": destination_retry_timings.failure_ts,
-            "retry_last_ts": destination_retry_timings.retry_last_ts,
-            "retry_interval": destination_retry_timings.retry_interval,
             "last_successful_stream_ordering": last_successful_stream_ordering,
         }
 
+        if destination_retry_timings:
+            response = {
+                **response,
+                "failure_ts": destination_retry_timings.failure_ts,
+                "retry_last_ts": destination_retry_timings.retry_last_ts,
+                "retry_interval": destination_retry_timings.retry_interval,
+            }
+        else:
+            response = {
+                **response,
+                "failure_ts": None,
+                "retry_last_ts": 0,
+                "retry_interval": 0,
+            }
+
         return HTTPStatus.OK, response
diff --git a/synapse/rest/admin/media.py b/synapse/rest/admin/media.py
index 7236e4027f..299f5c9eb0 100644
--- a/synapse/rest/admin/media.py
+++ b/synapse/rest/admin/media.py
@@ -466,7 +466,7 @@ class UserMediaRestServlet(RestServlet):
         )
 
         deleted_media, total = await self.media_repository.delete_local_media_ids(
-            ([row["media_id"] for row in media])
+            [row["media_id"] for row in media]
         )
 
         return HTTPStatus.OK, {"deleted_media": deleted_media, "total": total}
diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
index 6030373ebc..2e714ac87b 100644
--- a/synapse/rest/admin/rooms.py
+++ b/synapse/rest/admin/rooms.py
@@ -424,7 +424,7 @@ class RoomStateRestServlet(RestServlet):
         event_ids = await self.store.get_current_state_ids(room_id)
         events = await self.store.get_events(event_ids.values())
         now = self.clock.time_msec()
-        room_state = await self._event_serializer.serialize_events(events.values(), now)
+        room_state = self._event_serializer.serialize_events(events.values(), now)
         ret = {"state": room_state}
 
         return HTTPStatus.OK, ret
@@ -744,22 +744,22 @@ class RoomEventContextServlet(RestServlet):
             )
 
         time_now = self.clock.time_msec()
-        results["events_before"] = await self._event_serializer.serialize_events(
+        results["events_before"] = self._event_serializer.serialize_events(
             results["events_before"],
             time_now,
-            bundle_aggregations=True,
+            bundle_aggregations=results["aggregations"],
         )
-        results["event"] = await self._event_serializer.serialize_event(
+        results["event"] = self._event_serializer.serialize_event(
             results["event"],
             time_now,
-            bundle_aggregations=True,
+            bundle_aggregations=results["aggregations"],
         )
-        results["events_after"] = await self._event_serializer.serialize_events(
+        results["events_after"] = self._event_serializer.serialize_events(
             results["events_after"],
             time_now,
-            bundle_aggregations=True,
+            bundle_aggregations=results["aggregations"],
         )
-        results["state"] = await self._event_serializer.serialize_events(
+        results["state"] = self._event_serializer.serialize_events(
             results["state"], time_now
         )
 
diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py
index 78e795c347..c2617ee30c 100644
--- a/synapse/rest/admin/users.py
+++ b/synapse/rest/admin/users.py
@@ -173,12 +173,11 @@ class UserRestServletV2(RestServlet):
         if not self.hs.is_mine(target_user):
             raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only look up local users")
 
-        ret = await self.admin_handler.get_user(target_user)
-
-        if not ret:
+        user_info_dict = await self.admin_handler.get_user(target_user)
+        if not user_info_dict:
             raise NotFoundError("User not found")
 
-        return HTTPStatus.OK, ret
+        return HTTPStatus.OK, user_info_dict
 
     async def on_PUT(
         self, request: SynapseRequest, user_id: str
@@ -399,10 +398,10 @@ class UserRestServletV2(RestServlet):
                     target_user, requester, body["avatar_url"], True
                 )
 
-            user = await self.admin_handler.get_user(target_user)
-            assert user is not None
+            user_info_dict = await self.admin_handler.get_user(target_user)
+            assert user_info_dict is not None
 
-            return 201, user
+            return HTTPStatus.CREATED, user_info_dict
 
 
 class UserRegisterServlet(RestServlet):
diff --git a/synapse/rest/client/events.py b/synapse/rest/client/events.py
index 13b72a045a..672c821061 100644
--- a/synapse/rest/client/events.py
+++ b/synapse/rest/client/events.py
@@ -91,7 +91,7 @@ class EventRestServlet(RestServlet):
 
         time_now = self.clock.time_msec()
         if event:
-            result = await self._event_serializer.serialize_event(event, time_now)
+            result = self._event_serializer.serialize_event(event, time_now)
             return 200, result
         else:
             return 404, "Event not found."
diff --git a/synapse/rest/client/notifications.py b/synapse/rest/client/notifications.py
index acd0c9e135..8e427a96a3 100644
--- a/synapse/rest/client/notifications.py
+++ b/synapse/rest/client/notifications.py
@@ -72,7 +72,7 @@ class NotificationsServlet(RestServlet):
                 "actions": pa.actions,
                 "ts": pa.received_ts,
                 "event": (
-                    await self._event_serializer.serialize_event(
+                    self._event_serializer.serialize_event(
                         notif_events[pa.event_id],
                         self.clock.time_msec(),
                         event_format=format_event_for_client_v2_without_room_id,
diff --git a/synapse/rest/client/relations.py b/synapse/rest/client/relations.py
index 5815650ee6..37d949a71e 100644
--- a/synapse/rest/client/relations.py
+++ b/synapse/rest/client/relations.py
@@ -19,28 +19,20 @@ any time to reflect changes in the MSC.
 """
 
 import logging
-from typing import TYPE_CHECKING, Awaitable, Optional, Tuple
+from typing import TYPE_CHECKING, Optional, Tuple
 
-from synapse.api.constants import EventTypes, RelationTypes
-from synapse.api.errors import ShadowBanError, SynapseError
+from synapse.api.constants import RelationTypes
+from synapse.api.errors import SynapseError
 from synapse.http.server import HttpServer
-from synapse.http.servlet import (
-    RestServlet,
-    parse_integer,
-    parse_json_object_from_request,
-    parse_string,
-)
+from synapse.http.servlet import RestServlet, parse_integer, parse_string
 from synapse.http.site import SynapseRequest
-from synapse.rest.client.transactions import HttpTransactionCache
+from synapse.rest.client._base import client_patterns
 from synapse.storage.relations import (
     AggregationPaginationToken,
     PaginationChunk,
     RelationPaginationToken,
 )
 from synapse.types import JsonDict
-from synapse.util.stringutils import random_string
-
-from ._base import client_patterns
 
 if TYPE_CHECKING:
     from synapse.server import HomeServer
@@ -48,112 +40,6 @@ if TYPE_CHECKING:
 logger = logging.getLogger(__name__)
 
 
-class RelationSendServlet(RestServlet):
-    """Helper API for sending events that have relation data.
-
-    Example API shape to send a 👍 reaction to a room:
-
-        POST /rooms/!foo/send_relation/$bar/m.annotation/m.reaction?key=%F0%9F%91%8D
-        {}
-
-        {
-            "event_id": "$foobar"
-        }
-    """
-
-    PATTERN = (
-        "/rooms/(?P<room_id>[^/]*)/send_relation"
-        "/(?P<parent_id>[^/]*)/(?P<relation_type>[^/]*)/(?P<event_type>[^/]*)"
-    )
-
-    def __init__(self, hs: "HomeServer"):
-        super().__init__()
-        self.auth = hs.get_auth()
-        self.event_creation_handler = hs.get_event_creation_handler()
-        self.txns = HttpTransactionCache(hs)
-
-    def register(self, http_server: HttpServer) -> None:
-        http_server.register_paths(
-            "POST",
-            client_patterns(self.PATTERN + "$", releases=()),
-            self.on_PUT_or_POST,
-            self.__class__.__name__,
-        )
-        http_server.register_paths(
-            "PUT",
-            client_patterns(self.PATTERN + "/(?P<txn_id>[^/]*)$", releases=()),
-            self.on_PUT,
-            self.__class__.__name__,
-        )
-
-    def on_PUT(
-        self,
-        request: SynapseRequest,
-        room_id: str,
-        parent_id: str,
-        relation_type: str,
-        event_type: str,
-        txn_id: Optional[str] = None,
-    ) -> Awaitable[Tuple[int, JsonDict]]:
-        return self.txns.fetch_or_execute_request(
-            request,
-            self.on_PUT_or_POST,
-            request,
-            room_id,
-            parent_id,
-            relation_type,
-            event_type,
-            txn_id,
-        )
-
-    async def on_PUT_or_POST(
-        self,
-        request: SynapseRequest,
-        room_id: str,
-        parent_id: str,
-        relation_type: str,
-        event_type: str,
-        txn_id: Optional[str] = None,
-    ) -> Tuple[int, JsonDict]:
-        requester = await self.auth.get_user_by_req(request, allow_guest=True)
-
-        if event_type == EventTypes.Member:
-            # Add relations to a membership is meaningless, so we just deny it
-            # at the CS API rather than trying to handle it correctly.
-            raise SynapseError(400, "Cannot send member events with relations")
-
-        content = parse_json_object_from_request(request)
-
-        aggregation_key = parse_string(request, "key", encoding="utf-8")
-
-        content["m.relates_to"] = {
-            "event_id": parent_id,
-            "rel_type": relation_type,
-        }
-        if aggregation_key is not None:
-            content["m.relates_to"]["key"] = aggregation_key
-
-        event_dict = {
-            "type": event_type,
-            "content": content,
-            "room_id": room_id,
-            "sender": requester.user.to_string(),
-        }
-
-        try:
-            (
-                event,
-                _,
-            ) = await self.event_creation_handler.create_and_send_nonmember_event(
-                requester, event_dict=event_dict, txn_id=txn_id
-            )
-            event_id = event.event_id
-        except ShadowBanError:
-            event_id = "$" + random_string(43)
-
-        return 200, {"event_id": event_id}
-
-
 class RelationPaginationServlet(RestServlet):
     """API to paginate relations on an event by topological ordering, optionally
     filtered by relation type and event type.
@@ -227,13 +113,14 @@ class RelationPaginationServlet(RestServlet):
         now = self.clock.time_msec()
         # Do not bundle aggregations when retrieving the original event because
         # we want the content before relations are applied to it.
-        original_event = await self._event_serializer.serialize_event(
-            event, now, bundle_aggregations=False
+        original_event = self._event_serializer.serialize_event(
+            event, now, bundle_aggregations=None
         )
         # The relations returned for the requested event do include their
         # bundled aggregations.
-        serialized_events = await self._event_serializer.serialize_events(
-            events, now, bundle_aggregations=True
+        aggregations = await self.store.get_bundled_aggregations(events)
+        serialized_events = self._event_serializer.serialize_events(
+            events, now, bundle_aggregations=aggregations
         )
 
         return_value = pagination_chunk.to_dict()
@@ -422,7 +309,7 @@ class RelationAggregationGroupPaginationServlet(RestServlet):
         )
 
         now = self.clock.time_msec()
-        serialized_events = await self._event_serializer.serialize_events(events, now)
+        serialized_events = self._event_serializer.serialize_events(events, now)
 
         return_value = result.to_dict()
         return_value["chunk"] = serialized_events
@@ -431,7 +318,6 @@ class RelationAggregationGroupPaginationServlet(RestServlet):
 
 
 def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
-    RelationSendServlet(hs).register(http_server)
     RelationPaginationServlet(hs).register(http_server)
     RelationAggregationPaginationServlet(hs).register(http_server)
     RelationAggregationGroupPaginationServlet(hs).register(http_server)
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py
index 40330749e5..da6014900a 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -642,6 +642,7 @@ class RoomEventServlet(RestServlet):
     def __init__(self, hs: "HomeServer"):
         super().__init__()
         self.clock = hs.get_clock()
+        self._store = hs.get_datastore()
         self.event_handler = hs.get_event_handler()
         self._event_serializer = hs.get_event_client_serializer()
         self.auth = hs.get_auth()
@@ -660,10 +661,13 @@ class RoomEventServlet(RestServlet):
             # https://matrix.org/docs/spec/client_server/r0.5.0#get-matrix-client-r0-rooms-roomid-event-eventid
             raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
 
-        time_now = self.clock.time_msec()
         if event:
-            event_dict = await self._event_serializer.serialize_event(
-                event, time_now, bundle_aggregations=True
+            # Ensure there are bundled aggregations available.
+            aggregations = await self._store.get_bundled_aggregations([event])
+
+            time_now = self.clock.time_msec()
+            event_dict = self._event_serializer.serialize_event(
+                event, time_now, bundle_aggregations=aggregations
             )
             return 200, event_dict
 
@@ -708,16 +712,20 @@ class RoomEventContextServlet(RestServlet):
             raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
 
         time_now = self.clock.time_msec()
-        results["events_before"] = await self._event_serializer.serialize_events(
-            results["events_before"], time_now, bundle_aggregations=True
+        results["events_before"] = self._event_serializer.serialize_events(
+            results["events_before"],
+            time_now,
+            bundle_aggregations=results["aggregations"],
         )
-        results["event"] = await self._event_serializer.serialize_event(
-            results["event"], time_now, bundle_aggregations=True
+        results["event"] = self._event_serializer.serialize_event(
+            results["event"], time_now, bundle_aggregations=results["aggregations"]
         )
-        results["events_after"] = await self._event_serializer.serialize_events(
-            results["events_after"], time_now, bundle_aggregations=True
+        results["events_after"] = self._event_serializer.serialize_events(
+            results["events_after"],
+            time_now,
+            bundle_aggregations=results["aggregations"],
         )
-        results["state"] = await self._event_serializer.serialize_events(
+        results["state"] = self._event_serializer.serialize_events(
             results["state"], time_now
         )
 
diff --git a/synapse/rest/client/sync.py b/synapse/rest/client/sync.py
index e99a943d0d..d20ae1421e 100644
--- a/synapse/rest/client/sync.py
+++ b/synapse/rest/client/sync.py
@@ -17,7 +17,6 @@ from collections import defaultdict
 from typing import (
     TYPE_CHECKING,
     Any,
-    Awaitable,
     Callable,
     Dict,
     Iterable,
@@ -395,7 +394,7 @@ class SyncRestServlet(RestServlet):
         """
         invited = {}
         for room in rooms:
-            invite = await self._event_serializer.serialize_event(
+            invite = self._event_serializer.serialize_event(
                 room.invite,
                 time_now,
                 token_id=token_id,
@@ -432,7 +431,7 @@ class SyncRestServlet(RestServlet):
         """
         knocked = {}
         for room in rooms:
-            knock = await self._event_serializer.serialize_event(
+            knock = self._event_serializer.serialize_event(
                 room.knock,
                 time_now,
                 token_id=token_id,
@@ -525,21 +524,14 @@ class SyncRestServlet(RestServlet):
             The room, encoded in our response format
         """
 
-        def serialize(events: Iterable[EventBase]) -> Awaitable[List[JsonDict]]:
+        def serialize(
+            events: Iterable[EventBase],
+            aggregations: Optional[Dict[str, Dict[str, Any]]] = None,
+        ) -> List[JsonDict]:
             return self._event_serializer.serialize_events(
                 events,
                 time_now=time_now,
-                # Don't bother to bundle aggregations if the timeline is unlimited,
-                # as clients will have all the necessary information.
-                # bundle_aggregations=room.timeline.limited,
-                #
-                # richvdh 2021-12-15: disable this temporarily as it has too high an
-                # overhead for initialsyncs. We need to figure out a way that the
-                # bundling can be done *before* the events are stored in the
-                # SyncResponseCache so that this part can be synchronous.
-                #
-                # Ensure to re-enable the test at tests/rest/client/test_relations.py::RelationsTestCase.test_bundled_aggregations.
-                bundle_aggregations=False,
+                bundle_aggregations=aggregations,
                 token_id=token_id,
                 event_format=event_formatter,
                 only_event_fields=only_fields,
@@ -561,8 +553,10 @@ class SyncRestServlet(RestServlet):
                     event.room_id,
                 )
 
-        serialized_state = await serialize(state_events)
-        serialized_timeline = await serialize(timeline_events)
+        serialized_state = serialize(state_events)
+        serialized_timeline = serialize(
+            timeline_events, room.timeline.bundled_aggregations
+        )
 
         account_data = room.account_data
 
diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py
index fca239d8c7..9f6c251caf 100644
--- a/synapse/rest/media/v1/media_storage.py
+++ b/synapse/rest/media/v1/media_storage.py
@@ -343,7 +343,7 @@ class SpamMediaException(NotFoundError):
     """
 
 
-@attr.s(slots=True)
+@attr.s(slots=True, auto_attribs=True)
 class ReadableFileWrapper:
     """Wrapper that allows reading a file in chunks, yielding to the reactor,
     and writing to a callback.
@@ -354,8 +354,8 @@ class ReadableFileWrapper:
 
     CHUNK_SIZE = 2 ** 14
 
-    clock = attr.ib(type=Clock)
-    path = attr.ib(type=str)
+    clock: Clock
+    path: str
 
     async def write_chunks_to(self, callback: Callable[[bytes], None]) -> None:
         """Reads the file in chunks and calls the callback with each chunk."""