diff --git a/changelog.d/17650.removal b/changelog.d/17650.removal
new file mode 100644
index 0000000000..1238815c08
--- /dev/null
+++ b/changelog.d/17650.removal
@@ -0,0 +1 @@
+Stabilise [MSC4156](https://github.com/matrix-org/matrix-spec-proposals/pull/4156) by removing the `msc4156_enabled` config setting and defaulting it to `true`.
\ No newline at end of file
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 5d99c201a7..99185db93d 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -447,6 +447,3 @@ class ExperimentalConfig(Config):
# MSC4151: Report room API (Client-Server API)
self.msc4151_enabled: bool = experimental.get("msc4151_enabled", False)
-
- # MSC4156: Migrate server_name to via
- self.msc4156_enabled: bool = experimental.get("msc4156_enabled", False)
diff --git a/synapse/rest/client/knock.py b/synapse/rest/client/knock.py
index e31687fc13..d7a17e1b35 100644
--- a/synapse/rest/client/knock.py
+++ b/synapse/rest/client/knock.py
@@ -53,7 +53,6 @@ class KnockRoomAliasServlet(RestServlet):
super().__init__()
self.room_member_handler = hs.get_room_member_handler()
self.auth = hs.get_auth()
- self._support_via = hs.config.experimental.msc4156_enabled
async def on_POST(
self,
@@ -72,15 +71,11 @@ class KnockRoomAliasServlet(RestServlet):
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
args: Dict[bytes, List[bytes]] = request.args # type: ignore
- remote_room_hosts = parse_strings_from_args(
- args, "server_name", required=False
- )
- if self._support_via:
+ # Prefer via over server_name (deprecated with MSC4156)
+ remote_room_hosts = parse_strings_from_args(args, "via", required=False)
+ if remote_room_hosts is None:
remote_room_hosts = parse_strings_from_args(
- args,
- "org.matrix.msc4156.via",
- default=remote_room_hosts,
- required=False,
+ args, "server_name", required=False
)
elif RoomAlias.is_valid(room_identifier):
handler = self.room_member_handler
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py
index 83f84e4998..23c909ab14 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -419,7 +419,6 @@ class JoinRoomAliasServlet(ResolveRoomIdMixin, TransactionRestServlet):
super().__init__(hs)
super(ResolveRoomIdMixin, self).__init__(hs) # ensure the Mixin is set up
self.auth = hs.get_auth()
- self._support_via = hs.config.experimental.msc4156_enabled
def register(self, http_server: HttpServer) -> None:
# /join/$room_identifier[/$txn_id]
@@ -437,13 +436,11 @@ class JoinRoomAliasServlet(ResolveRoomIdMixin, TransactionRestServlet):
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
args: Dict[bytes, List[bytes]] = request.args # type: ignore
- remote_room_hosts = parse_strings_from_args(args, "server_name", required=False)
- if self._support_via:
+ # Prefer via over server_name (deprecated with MSC4156)
+ remote_room_hosts = parse_strings_from_args(args, "via", required=False)
+ if remote_room_hosts is None:
remote_room_hosts = parse_strings_from_args(
- args,
- "org.matrix.msc4156.via",
- default=remote_room_hosts,
- required=False,
+ args, "server_name", required=False
)
room_id, remote_room_hosts = await self.resolve_room_id(
room_identifier,
|
