on_rightclick = function(pos, node, clicker)
        local meta = minetest.get_meta(pos)
        if has_locked_chest_privilege(meta, clicker) then
            minetest.show_formspec(
                clicker:get_player_name(),
                "default:chest_locked",
                default.get_locked_chest_formspec(pos)
            )
        end
    end,