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<?php
/**
* Refreshes captcha and returns JSON encoded URL to image (AJAX action)
* Example: {'imgSrc': 'http://example.com/media/captcha/67842gh187612ngf8s.png'}
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Captcha\Controller\Refresh;
use Magento\Framework\App\Action\HttpPostActionInterface as HttpPostActionInterface;
use Magento\Framework\App\Action\Context;
class Index extends \Magento\Framework\App\Action\Action implements HttpPostActionInterface
{
/**
* @var \Magento\Captcha\Helper\Data
*/
protected $captchaHelper;
/**
* @var \Magento\Framework\Serialize\Serializer\Json
*/
protected $serializer;
/**
* @param Context $context
* @param \Magento\Captcha\Helper\Data $captchaHelper
* @param \Magento\Framework\Serialize\Serializer\Json|null $serializer
* @throws \RuntimeException
*/
public function __construct(
Context $context,
\Magento\Captcha\Helper\Data $captchaHelper,
\Magento\Framework\Serialize\Serializer\Json $serializer = null
) {
$this->captchaHelper = $captchaHelper;
$this->serializer = $serializer ?: \Magento\Framework\App\ObjectManager::getInstance()
->get(\Magento\Framework\Serialize\Serializer\Json::class);
parent::__construct($context);
}
/**
* {@inheritdoc}
*/
public function execute()
{
$formId = $this->_request->getPost('formId');
if (null === $formId) {
$params = [];
$content = $this->_request->getContent();
if ($content) {
$params = $this->serializer->unserialize($content);
}
$formId = isset($params['formId']) ? $params['formId'] : null;
}
$captchaModel = $this->captchaHelper->getCaptcha($formId);
$captchaModel->generate();
$block = $this->_view->getLayout()->createBlock($captchaModel->getBlockName());
$block->setFormId($formId)->setIsAjax(true)->toHtml();
$this->_response->representJson($this->serializer->serialize(['imgSrc' => $captchaModel->getImgSrc()]));
$this->_actionFlag->set('', self::FLAG_NO_POST_DISPATCH, true);
}
}