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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Captcha\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\App\Request\DataPersistorInterface;
use Magento\Framework\App\ObjectManager;
class CheckContactUsFormObserver implements ObserverInterface
{
/**
* @var \Magento\Captcha\Helper\Data
*/
protected $_helper;
/**
* @var \Magento\Framework\App\ActionFlag
*/
protected $_actionFlag;
/**
* @var \Magento\Framework\Message\ManagerInterface
*/
protected $messageManager;
/**
* @var \Magento\Framework\App\Response\RedirectInterface
*/
protected $redirect;
/**
* @var CaptchaStringResolver
*/
protected $captchaStringResolver;
/**
* @var DataPersistorInterface
*/
private $dataPersistor;
/**
* @param \Magento\Captcha\Helper\Data $helper
* @param \Magento\Framework\App\ActionFlag $actionFlag
* @param \Magento\Framework\Message\ManagerInterface $messageManager
* @param \Magento\Framework\App\Response\RedirectInterface $redirect
* @param CaptchaStringResolver $captchaStringResolver
*/
public function __construct(
\Magento\Captcha\Helper\Data $helper,
\Magento\Framework\App\ActionFlag $actionFlag,
\Magento\Framework\Message\ManagerInterface $messageManager,
\Magento\Framework\App\Response\RedirectInterface $redirect,
CaptchaStringResolver $captchaStringResolver
) {
$this->_helper = $helper;
$this->_actionFlag = $actionFlag;
$this->messageManager = $messageManager;
$this->redirect = $redirect;
$this->captchaStringResolver = $captchaStringResolver;
}
/**
* Check CAPTCHA on Contact Us page
*
* @param \Magento\Framework\Event\Observer $observer
* @return void
*/
public function execute(\Magento\Framework\Event\Observer $observer)
{
$formId = 'contact_us';
$captcha = $this->_helper->getCaptcha($formId);
if ($captcha->isRequired()) {
/** @var \Magento\Framework\App\Action\Action $controller */
$controller = $observer->getControllerAction();
if (!$captcha->isCorrect($this->captchaStringResolver->resolve($controller->getRequest(), $formId))) {
$this->messageManager->addError(__('Incorrect CAPTCHA.'));
$this->getDataPersistor()->set($formId, $controller->getRequest()->getPostValue());
$this->_actionFlag->set('', \Magento\Framework\App\Action\Action::FLAG_NO_DISPATCH, true);
$this->redirect->redirect($controller->getResponse(), 'contact/index/index');
}
}
}
/**
* Get Data Persistor
*
* @return DataPersistorInterface
*/
private function getDataPersistor()
{
if ($this->dataPersistor === null) {
$this->dataPersistor = ObjectManager::getInstance()
->get(DataPersistorInterface::class);
}
return $this->dataPersistor;
}
}