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<?php
/**
* This is a PHP library that handles calling reCAPTCHA.
*
* BSD 3-Clause License
* @copyright (c) 2019, Google Inc.
* @link https://www.google.com/recaptcha
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
namespace ReCaptcha;
/**
* Stores and formats the parameters for the request to the reCAPTCHA service.
*/
class RequestParameters
{
/**
* The shared key between your site and reCAPTCHA.
* @var string
*/
private $secret;
/**
* The user response token provided by reCAPTCHA, verifying the user on your site.
* @var string
*/
private $response;
/**
* Remote user's IP address.
* @var string
*/
private $remoteIp;
/**
* Client version.
* @var string
*/
private $version;
/**
* Initialise parameters.
*
* @param string $secret Site secret.
* @param string $response Value from g-captcha-response form field.
* @param string $remoteIp User's IP address.
* @param string $version Version of this client library.
*/
public function __construct($secret, $response, $remoteIp = null, $version = null)
{
$this->secret = $secret;
$this->response = $response;
$this->remoteIp = $remoteIp;
$this->version = $version;
}
/**
* Array representation.
*
* @return array Array formatted parameters.
*/
public function toArray()
{
$params = array('secret' => $this->secret, 'response' => $this->response);
if (!is_null($this->remoteIp)) {
$params['remoteip'] = $this->remoteIp;
}
if (!is_null($this->version)) {
$params['version'] = $this->version;
}
return $params;
}
/**
* Query string representation for HTTP request.
*
* @return string Query string formatted parameters.
*/
public function toQueryString()
{
return http_build_query($this->toArray(), '', '&');
}
}