Add room details admin endpoint (#7317)

synapse/rest/admin/rooms.py

@@ -26,6 +26,7 @@ from synapse.http.servlet import (
 )
 from synapse.rest.admin._base import (
     admin_patterns,
+    assert_requester_is_admin,
     assert_user_is_admin,
     historical_admin_path_patterns,
 )
@@ -169,7 +170,7 @@ class ListRoomRestServlet(RestServlet):
     in a dictionary containing room information. Supports pagination.
     """
 
-    PATTERNS = admin_patterns("/rooms")
+    PATTERNS = admin_patterns("/rooms$")
 
     def __init__(self, hs):
         self.store = hs.get_datastore()
@@ -253,6 +254,29 @@ class ListRoomRestServlet(RestServlet):
         return 200, response
 
 
+class RoomRestServlet(RestServlet):
+    """Get room details.
+
+    TODO: Add on_POST to allow room creation without joining the room
+    """
+
+    PATTERNS = admin_patterns("/rooms/(?P<room_id>[^/]+)$")
+
+    def __init__(self, hs):
+        self.hs = hs
+        self.auth = hs.get_auth()
+        self.store = hs.get_datastore()
+
+    async def on_GET(self, request, room_id):
+        await assert_requester_is_admin(self.auth, request)
+
+        ret = await self.store.get_room_with_stats(room_id)
+        if not ret:
+            raise NotFoundError("Room not found")
+
+        return 200, ret
+
+
 class JoinRoomAliasServlet(RestServlet):
 
     PATTERNS = admin_patterns("/join/(?P<room_identifier>[^/]*)")