diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 452599e1a1..9030eb18c5 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -716,8 +716,17 @@ class PublicRoomList(BaseFederationServlet):
PATH = "/publicRooms"
+ def __init__(self, handler, authenticator, ratelimiter, server_name, deny_access):
+ super(PublicRoomList, self).__init__(
+ handler, authenticator, ratelimiter, server_name,
+ )
+ self.deny_access = deny_access
+
@defer.inlineCallbacks
def on_GET(self, origin, content, query):
+ if self.deny_access:
+ raise FederationDeniedError(origin)
+
limit = parse_integer_from_args(query, "limit", 0)
since_token = parse_string_from_args(query, "since", None)
include_all_networks = parse_boolean_from_args(
@@ -1417,6 +1426,7 @@ def register_servlets(hs, resource, authenticator, ratelimiter, servlet_groups=N
authenticator=authenticator,
ratelimiter=ratelimiter,
server_name=hs.hostname,
+ deny_access=hs.config.restrict_public_rooms_to_local_users,
).register(resource)
if "group_server" in servlet_groups:
|