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Current File : /var/www/magento.test.indacotrentino.com/www/app/code/Webkul/BuyButton/Plugin/CorsHeadersPlugin.php

<?php
/**
 * Webkul Software.
 *
 * @category  Webkul
 * @package   Webkul_BuyButton
 * @author    Webkul
 * @copyright Copyright (c)  Webkul Software Private Limited (https://webkul.com)
 * @license   https://store.webkul.com/license.html
 */
namespace Webkul\BuyButton\Plugin;

use Magento\Framework\App\FrontControllerInterface;
use Magento\Framework\App\RequestInterface;

class CorsHeadersPlugin
{
    /**
     * @var \Magento\Framework\Webapi\Rest\Response
     */
    private $response;
    /**
     * @var \Magento\Framework\App\Config\ScopeConfigInterface
     */
    private $scopeConfig;
    /**
     * Initialize dependencies.
     *
     * @param \Magento\Framework\Webapi\Rest\Response $response
     * @param \Magento\Framework\App\Config\ScopeConfigInterface scopeConfig
     */
    public function __construct(
        \Magento\Framework\Webapi\Rest\Response $response,
        \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
    ) {
        $this->response = $response;
        $this->scopeConfig = $scopeConfig;
    }

    /**
     * Triggers before original dispatch
     * This method triggers before original \Magento\Webapi\Controller\Rest::dispatch and set version
     * from request params to VersionManager instance
     * @param FrontControllerInterface $subject
     * @param RequestInterface $request
     * @return void
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function beforeDispatch(
        FrontControllerInterface $subject,
        RequestInterface $request
    ) {
        $this->response->setHeader('Access-Control-Allow-Origin', '*', true);
        $this->response->setHeader('Access-Control-Allow-Methods', 'POST, GET, OPTIONS, DELETE, PUT', true);
        $this->response->setHeader('Access-Control-Allow-Headers', 'Accept, Content-Type', true);
    }
}