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: / opt / lampp / phpmyadmin / vendor / google / recaptcha / src / ReCaptcha / RequestMethod /
Filename : CurlPost.php
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<?php
/**
 * This is a PHP library that handles calling reCAPTCHA.
 *
 * @copyright Copyright (c) 2015, Google Inc.
 * @link      http://www.google.com/recaptcha
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

namespace ReCaptcha\RequestMethod;

use ReCaptcha\RequestMethod;
use ReCaptcha\RequestParameters;

/**
 * Sends cURL request to the reCAPTCHA service.
 * Note: this requires the cURL extension to be enabled in PHP
 * @see http://php.net/manual/en/book.curl.php
 */
class CurlPost implements RequestMethod
{
    /**
     * URL to which requests are sent via cURL.
     * @const string
     */
    const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';

    /**
     * Curl connection to the reCAPTCHA service
     * @var Curl
     */
    private $curl;

    public function __construct(Curl $curl = null)
    {
        if (!is_null($curl)) {
            $this->curl = $curl;
        } else {
            $this->curl = new Curl();
        }
    }

    /**
     * Submit the cURL request with the specified parameters.
     *
     * @param RequestParameters $params Request parameters
     * @return string Body of the reCAPTCHA response
     */
    public function submit(RequestParameters $params)
    {
        $handle = $this->curl->init(self::SITE_VERIFY_URL);

        $options = array(
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => $params->toQueryString(),
            CURLOPT_HTTPHEADER => array(
                'Content-Type: application/x-www-form-urlencoded'
            ),
            CURLINFO_HEADER_OUT => false,
            CURLOPT_HEADER => false,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_SSL_VERIFYPEER => true
        );
        $this->curl->setoptArray($handle, $options);

        $response = $this->curl->exec($handle);
        $this->curl->close($handle);

        return $response;
    }
}