gallery3/modules/gallery/libraries/MY_Forge.php

<?php defined("SYSPATH") or die("No direct script access.");
/**
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2009 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

class Forge extends Forge_Core {
  /**
   * Force a CSRF element into every form.
   */
  public function __construct($action=null, $title='', $method=null, $attr=array()) {
    parent::__construct($action, $title, $method, $attr);
    $this->hidden("csrf")->value(access::csrf_token());
  }

  /**
   * Use our own template
   */
  public function render($template="form.html", $custom=false) {
    return parent::render($template, $custom);
  }

  /**
   * Validate our CSRF value as a mandatory part of all form validation.
   */
  public function validate() {
    $status = parent::validate();
    access::verify_csrf();
    return $status;
  }
}