# File lib/rack/directory.rb, line 57
    def _call(env)
      @env = env
      @script_name = env['SCRIPT_NAME']
      @path_info = Utils.unescape(env['PATH_INFO'])

      if forbidden = check_forbidden
        forbidden
      else
        @path = F.join(@root, @path_info)
        list_path
      end
    end