112 lines
3.4 KiB
PHP
112 lines
3.4 KiB
PHP
|
<?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(), '', '&');
|
||
|
}
|
||
|
}
|