diff options
Diffstat (limited to 'synapse/handlers/room_summary.py')
| -rw-r--r-- | synapse/handlers/room_summary.py | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/synapse/handlers/room_summary.py b/synapse/handlers/room_summary.py index fb26ee7ad7..b2cfe537df 100644 --- a/synapse/handlers/room_summary.py +++ b/synapse/handlers/room_summary.py @@ -36,8 +36,9 @@ from synapse.api.errors import ( SynapseError, UnsupportedRoomVersionError, ) +from synapse.api.ratelimiting import Ratelimiter from synapse.events import EventBase -from synapse.types import JsonDict +from synapse.types import JsonDict, Requester from synapse.util.caches.response_cache import ResponseCache if TYPE_CHECKING: @@ -93,11 +94,14 @@ class RoomSummaryHandler: self._event_serializer = hs.get_event_client_serializer() self._server_name = hs.hostname self._federation_client = hs.get_federation_client() + self._ratelimiter = Ratelimiter( + store=self._store, clock=hs.get_clock(), rate_hz=5, burst_count=10 + ) # If a user tries to fetch the same page multiple times in quick succession, # only process the first attempt and return its result to subsequent requests. self._pagination_response_cache: ResponseCache[ - Tuple[str, bool, Optional[int], Optional[int], Optional[str]] + Tuple[str, str, bool, Optional[int], Optional[int], Optional[str]] ] = ResponseCache( hs.get_clock(), "get_room_hierarchy", @@ -249,7 +253,7 @@ class RoomSummaryHandler: async def get_room_hierarchy( self, - requester: str, + requester: Requester, requested_room_id: str, suggested_only: bool = False, max_depth: Optional[int] = None, @@ -276,15 +280,24 @@ class RoomSummaryHandler: Returns: The JSON hierarchy dictionary. """ + await self._ratelimiter.ratelimit(requester) + # If a user tries to fetch the same page multiple times in quick succession, # only process the first attempt and return its result to subsequent requests. # # This is due to the pagination process mutating internal state, attempting # to process multiple requests for the same page will result in errors. return await self._pagination_response_cache.wrap( - (requested_room_id, suggested_only, max_depth, limit, from_token), + ( + requester.user.to_string(), + requested_room_id, + suggested_only, + max_depth, + limit, + from_token, + ), self._get_room_hierarchy, - requester, + requester.user.to_string(), requested_room_id, suggested_only, max_depth, |