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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\PaypalCaptcha\Observer;
use Magento\Captcha\Helper\Data;
use Magento\Framework\App\Action\Action;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\App\ActionFlag ;
/**
* Validates Captcha for Request Token controller
*/
class CaptchaRequestToken implements ObserverInterface
{
/**
* @var Data
*/
private $helper;
/**
* @var ActionFlag
*/
private $actionFlag;
/**
* @param Data $helper
* @param ActionFlag $actionFlag
*/
public function __construct(Data $helper, ActionFlag $actionFlag)
{
$this->helper = $helper;
$this->actionFlag = $actionFlag;
}
/**
* @inheritdoc
*/
public function execute(Observer $observer)
{
$formId = 'co-payment-form';
$captcha = $this->helper->getCaptcha($formId);
if (!$captcha->isRequired()) {
return;
}
/** @var Action $controller */
$controller = $observer->getControllerAction();
$word = $controller->getRequest()->getPost('captcha_string');
if ($captcha->isCorrect($word)) {
return;
}
$data = json_encode([
'success' => false,
'error' => true,
'error_messages' => __('Incorrect CAPTCHA.')
]);
$this->actionFlag->set('', Action::FLAG_NO_DISPATCH, true);
$controller->getResponse()->representJson($data);
}
}