Current File : /var/www/html/itworks/wp-content/plugins/paid-memberships-pro/includes/lib/recaptchalib.php
<?php
/**
*
* Note: The class names have been prefixed with pmpro_ to avoid conflicts with other plugins.
*
* This is a PHP library that handles calling reCAPTCHA.
* - Documentation and latest version
* https://developers.google.com/recaptcha/docs/php
* - Get a reCAPTCHA API Key
* https://www.google.com/recaptcha/admin/create
* - Discussion group
* http://groups.google.com/group/recaptcha
*
* @copyright Copyright (c) 2014, 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.
*/
/**
* A ReCaptchaResponse is returned from checkAnswer().
*/
class pmpro_ReCaptchaResponse
{
public $success;
public $errorCodes;
}
class pmpro_ReCaptcha
{
private static $_signupUrl = "https://www.google.com/recaptcha/admin";
private static $_siteVerifyUrl =
"https://www.google.com/recaptcha/api/siteverify?";
private $_secret;
private static $_version = "php_1.0";
/**
* Constructor.
*
* @param string $secret shared secret between site and ReCAPTCHA server.
*/
function __construct($secret)
{
if ($secret == null || $secret == "") {
die("To use reCAPTCHA you must get an API key from <a href='"
. self::$_signupUrl . "'>" . self::$_signupUrl . "</a>");
}
$this->_secret=$secret;
}
/**
* Submits an HTTP POST to a reCAPTCHA server.
*
* @param string $path url path to recaptcha server.
* @param array $data array of parameters to be sent.
*
* @return string response
*/
private function _submitHTTPPost($path, $data)
{
$response = wp_remote_post($path, [
'method' => 'POST',
'body' => $data,
])['body'];
return $response;
}
/**
* Calls the reCAPTCHA siteverify API to verify whether the user passes
* CAPTCHA test.
*
* @param string $remoteIp IP address of end user.
* @param string $response response string from recaptcha verification.
*
* @return object recaptchaResponse
*/
public function verifyResponse($remoteIp, $response)
{
// Discard empty solution submissions
if ($response == null || strlen($response) == 0) {
$recaptchaResponse = new pmpro_ReCaptchaResponse();
$recaptchaResponse->success = false;
$recaptchaResponse->errorCodes = 'missing-input';
return $recaptchaResponse;
}
$getResponse = $this->_submitHttpPost(
self::$_siteVerifyUrl,
array (
'secret' => $this->_secret,
'remoteip' => $remoteIp,
'v' => self::$_version,
'response' => $response
)
);
$answers = json_decode($getResponse, true);
$recaptchaResponse = new pmpro_ReCaptchaResponse();
if ((bool)$answers['success'] == true) {
$recaptchaResponse->success = true;
} else {
$recaptchaResponse->success = false;
if (!empty($answers['error-codes'])) {
switch ($answers['error-codes'][0]) {
case 'timeout-or-duplicate':
$recaptchaResponse->errorCodes = 'Duplicate or expired reCAPTCHA used';
break;
case 'missing-input-response':
case 'invalid-input-response':
$recaptchaResponse->errorCodes = 'Bad reCAPTCHA result';
break;
case 'missing-input-secret':
case 'invalid-input-secret':
case 'bad-request':
$recaptchaResponse->errorCodes = 'Internal error';
break;
default:
$recaptchaResponse->errorCodes = 'Unknown error';
break;
}
}
}
return $recaptchaResponse;
}
}
?>
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