File Source for subscribe.php

<?php
/**
* @package linea21.modules
* @subpackage newsletter
* @author linea21 <info@linea21.com>
* @version $id SVN
* @access public
* @license http://opensource.org/licenses/gpl-3.0.html
*/
include_once('../config/define.php');
include_once('../languages/'.U_L.'lang_newsletter.utf-8.php');
if(!isset($_GET['call'])) {
$mode='plain';
} else {
$id=strip_tags($_GET['id']);
$mode='ajax';
session_start();
//////////// Check Droits utilisateur ////////////
if (!$l21auth->isSuperAdmin()) ReloadIndex('admin');
////////////
}
if(!isset($_REQUEST['newsletteremail'])) exit;
else $email=$_REQUEST['newsletteremail'];
include_once('../class/class.newsletter.php');
$newsletter_object = new newsletter;
if(!isset($_REQUEST['del_action']) || isset($_REQUEST['restore']) ) {
$msg=$newsletter_object->AddEmail($email, $GLOBALS['sql_object']);
$action= 'restored';
}
else {
$msg=$newsletter_object->DeleteEmail($email, $GLOBALS['sql_object']);
$action= 'deleted';
}
if($mode == 'ajax') {
/* Return json values */
echo json_encode(array('status'=> $msg['code'],'msg'=> $msg['string'], 'el'=> "#email-".$id, 'action' => $action));
}
?>

Source for file subscribe.php