getReq변경, ajax인 경우 ajax요청

i_entrance/j_disallow_third_use.php

@@ -3,6 +3,8 @@ namespace sammo;
 
 require(__DIR__.'/../vendor/autoload.php');
 
+WebUtil::requireAJAX();
+
 $session = Session::requireLogin([])->setReadOnly();
 $userID = Session::getUserID();