root/org.gnex.reCaptcha/files/lib/system/event/listener/ReCaptchaListener.class.php @ 1122

<?php
require_once(WCF_DIR.'lib/system/event/EventListener.class.php');
require_once(WCF_DIR.'lib/data/image/captcha/ReCaptcha.class.php');
/**
 * ReCaptcha-API
 * 
 * @author      Tim Wittenberg
 * @copyright   GneX
 * @url GneX.org 
 * @license     GPL
 */
class ReCaptchaListener implements EventListener {
        public $eventObj;
        
        /**
         * @see EventListener::execute()
         */
        public function execute($eventObj, $className, $eventName) {
    // break
    if(!MODULE_RECAPTCHA || !RECAPTCHA_KEY_PUBLIC || !RECAPTCHA_KEY_PRIVATE || !isset($eventObj->useCaptcha) || !$eventObj->useCaptcha) {
      return;
    }
    
    // completely disable parent handler
    $eventObj->useCaptcha = false;
    
    // bind
    $this->eventObj = $eventObj;
    
    // call our handler, if method is implemented
    if(method_exists($this, $eventName)) {
      $this->$eventName();
    }
  }
  
        public function readData() {
          ###
        }
  
        public function validate() {
          $this->eventObj->captcha = new ReCaptcha($this->eventObj->captchaID);
    $this->eventObj->captcha->validate($_SERVER['REMOTE_ADDR'], $_REQUEST['recaptcha_challenge_field'], $_REQUEST['recaptcha_response_field']);
        }
  
        public function assignVariables() {
    $this->eventObj->captchaID = ReCaptcha::create();
    $this->eventObj->captcha = new ReCaptcha($this->eventObj->captchaID);
          WCF::getTPL()->assign('captcha', $this->eventObj->captcha->getCode());
        }
}
?>