diff --git a/synapse/rest/admin/federation.py b/synapse/rest/admin/federation.py
index 045153e0cb..14ab4644cb 100644
--- a/synapse/rest/admin/federation.py
+++ b/synapse/rest/admin/federation.py
@@ -23,7 +23,7 @@ from http import HTTPStatus
from typing import TYPE_CHECKING, Tuple
from synapse.api.constants import Direction
-from synapse.api.errors import Codes, NotFoundError, SynapseError
+from synapse.api.errors import NotFoundError, SynapseError
from synapse.federation.transport.server import Authenticator
from synapse.http.servlet import RestServlet, parse_enum, parse_integer, parse_string
from synapse.http.site import SynapseRequest
@@ -61,22 +61,8 @@ class ListDestinationsRestServlet(RestServlet):
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self._auth, request)
- start = parse_integer(request, "from", default=0)
- limit = parse_integer(request, "limit", default=100)
-
- if start < 0:
- raise SynapseError(
- HTTPStatus.BAD_REQUEST,
- "Query parameter from must be a string representing a positive integer.",
- errcode=Codes.INVALID_PARAM,
- )
-
- if limit < 0:
- raise SynapseError(
- HTTPStatus.BAD_REQUEST,
- "Query parameter limit must be a string representing a positive integer.",
- errcode=Codes.INVALID_PARAM,
- )
+ start = parse_integer(request, "from", default=0, negative=False)
+ limit = parse_integer(request, "limit", default=100, negative=False)
destination = parse_string(request, "destination")
@@ -195,22 +181,8 @@ class DestinationMembershipRestServlet(RestServlet):
if not await self._store.is_destination_known(destination):
raise NotFoundError("Unknown destination")
- start = parse_integer(request, "from", default=0)
- limit = parse_integer(request, "limit", default=100)
-
- if start < 0:
- raise SynapseError(
- HTTPStatus.BAD_REQUEST,
- "Query parameter from must be a string representing a positive integer.",
- errcode=Codes.INVALID_PARAM,
- )
-
- if limit < 0:
- raise SynapseError(
- HTTPStatus.BAD_REQUEST,
- "Query parameter limit must be a string representing a positive integer.",
- errcode=Codes.INVALID_PARAM,
- )
+ start = parse_integer(request, "from", default=0, negative=False)
+ limit = parse_integer(request, "limit", default=100, negative=False)
direction = parse_enum(request, "dir", Direction, default=Direction.FORWARDS)
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