Validate3d.php

<?php
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 *
 * Adyen Payment module (https://www.adyen.com/)
 *
 * Copyright (c) 2015 Adyen BV (https://www.adyen.com/)
 * See LICENSE.txt for license details.
 *
 * Author: Adyen <magento@adyen.com>
 */

namespace Adyen\Payment\Block\Redirect;

class Validate3d extends \Magento\Payment\Block\Form
{

    /**
     * @var \Magento\Sales\Model\OrderFactory
     */
    protected $_orderFactory;

    /**
     * @var \Magento\Checkout\Model\Session
     */
    protected $_checkoutSession;

    /**
     * @var \Magento\Checkout\Model\Order
     */
    protected $_order;
    
    /**
     * @var \Magento\Framework\App\RequestInterface
     */
    protected $_request;

    /**
     * Validate3d constructor.
     *
     * @param \Magento\Framework\View\Element\Template\Context $context
     * @param array $data
     * @param \Magento\Sales\Model\OrderFactory $orderFactory
     * @param \Magento\Checkout\Model\Session $checkoutSession
     */
    public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        array $data = [],
        \Magento\Sales\Model\OrderFactory $orderFactory,
        \Magento\Checkout\Model\Session $checkoutSession
    ) {
        $this->_orderFactory = $orderFactory;
        $this->_checkoutSession = $checkoutSession;
        $this->_request = $context->getRequest();
        parent::__construct($context, $data);
        $this->_getOrder();
    }

    /**
     * Get order object
     *
     * @return \Magento\Sales\Model\Order
     */
    protected function _getOrder()
    {
        if (!$this->_order) {
            $incrementId = $this->_getCheckout()->getLastRealOrderId();
            $this->_order = $this->_orderFactory->create()->loadByIncrementId($incrementId);
        }
        return $this->_order;
    }

    /**
     * Get frontend checkout session object
     *
     * @return \Magento\Checkout\Model\Session
     */
    protected function _getCheckout()
    {
        return $this->_checkoutSession;
    }

    /**
     * @return mixed
     */
    public function getIssuerUrl()
    {
        return $this->_order->getPayment()->getAdditionalInformation('issuerUrl');
    }

    /**
     * @return mixed
     */
    public function getPaReq()
    {
        return $this->_order->getPayment()->getAdditionalInformation('paRequest');
    }

    /**
     * @return mixed
     */
    public function getMd()
    {
        return $this->_order->getPayment()->getAdditionalInformation('md');
    }

    /**
     * @return string
     */
    public function getTermUrl()
    {
        return $this->getUrl('adyen/process/validate3d',
            ['_secure' => $this->_getRequest()->isSecure()]);
    }

    /**
     * Retrieve request object
     *
     * @return \Magento\Framework\App\RequestInterface
     */
    protected function _getRequest()
    {
        return $this->_request;
    }

}