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,
|