diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
index 1a3a36f6cf..e64582cffd 100644
--- a/synapse/rest/admin/rooms.py
+++ b/synapse/rest/admin/rooms.py
@@ -14,7 +14,7 @@
# limitations under the License.
import logging
from http import HTTPStatus
-from typing import TYPE_CHECKING, List, Optional, Tuple
+from typing import TYPE_CHECKING, Optional, Tuple
from urllib import parse as urlparse
from synapse.api.constants import EventTypes, JoinRules, Membership
@@ -25,6 +25,7 @@ from synapse.http.servlet import (
assert_params_in_dict,
parse_integer,
parse_json_object_from_request,
+ parse_list_from_args,
parse_string,
)
from synapse.http.site import SynapseRequest
@@ -365,10 +366,8 @@ class JoinRoomAliasServlet(RestServlet):
if RoomID.is_valid(room_identifier):
room_id = room_identifier
try:
- remote_room_hosts = [
- x.decode("ascii") for x in request.args[b"server_name"]
- ] # type: Optional[List[str]]
- except Exception:
+ remote_room_hosts = parse_list_from_args(request.args, "server_name")
+ except KeyError:
remote_room_hosts = None
elif RoomAlias.is_valid(room_identifier):
handler = self.room_member_handler
|
