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<?php
/**
* @package Astroid Framework
* @author Astroid Framework Team https://astroidframe.work
* @copyright Copyright (C) 2023 AstroidFrame.work.
* @license https://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
*/
namespace Astroid\Helper;
use Astroid\Helper;
use Joomla\CMS\Factory;
use Joomla\CMS\Captcha\Google\HttpBridgePostRequestMethod;
use ReCaptcha\ReCaptcha;
use ReCaptcha\RequestMethod;
use Joomla\Utilities\IpHelper;
defined('_JEXEC') or die;
class Captcha {
public static function loadCaptcha($context = '') {
if (empty($context)) {
return '';
}
$app = Factory::getApplication();
$value1 = rand(1,100);
$value2 = rand(1,100);
$app->setUserState( $context.'.value1', $value1 );
$app->setUserState( $context.'.value2', $value2 );
return '<div class="'.$context.'">'.($value1 . ' + ' . $value2 .' = ?').'</div><div class="'.$context.'-result"><input type="text" name="'.$context.'" class="form-control required" placeholder="'.($value1 . ' + ' . $value2 .' = ?').'" required></div>';
}
public static function getCaptcha($context = '') {
$app = Factory::getApplication();
$value1 = intval($app->getUserState( $context.'.value1' ));
$value2 = intval($app->getUserState( $context.'.value2' ));
$value_result = intval($app->input->get($context, 0, 'ALNUM'));
return ( $value1 + $value2 == $value_result );
}
public static function verifyGoogleCaptcha($gRecaptchaResponse, $secretKey = '', RequestMethod $requestMethod = new HttpBridgePostRequestMethod()) {
$app = Factory::getApplication();
if (empty($secretKey)) {
$pluginParams = Helper::getPluginParams('captcha', 'astroidcaptcha');
$secretKey = $pluginParams->get('g_secret_key', '');
}
if (empty($secretKey)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_RECAPTCHA_ERROR_NO_PRIVATE_KEY'));
}
$remoteip = IpHelper::getIp();
// Check for IP
if (empty($remoteip)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_RECAPTCHA_ERROR_NO_IP'));
}
if (empty($gRecaptchaResponse)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_RECAPTCHA_ERROR_EMPTY_SOLUTION'));
}
$reCaptcha = new ReCaptcha($secretKey, $requestMethod);
$response = $reCaptcha->verify($gRecaptchaResponse, $remoteip);
if (!$response->isSuccess()) {
foreach ($response->getErrorCodes() as $error) {
throw new \RuntimeException($error);
}
return false;
}
return true;
}
public static function verifyCloudFlareTurnstile($turnstileResponse, $secretKey = '') {
$app = Factory::getApplication();
if (empty($secretKey)) {
$pluginParams = Helper::getPluginParams('captcha', 'astroidcaptcha');
$secretKey = $pluginParams->get('t_secret_key', '');
}
if (empty($secretKey)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_TURNSTILE_ERROR_NO_PRIVATE_KEY'));
}
$remoteip = IpHelper::getIp();
// Check for IP
if (empty($remoteip)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_TURNSTILE_ERROR_NO_IP'));
}
if (empty($turnstileResponse)) {
throw new \RuntimeException($app->getLanguage()->_('ASTROID_GOOGLE_RECAPTCHA_ERROR_EMPTY_SOLUTION'));
}
$response = file_get_contents("https://challenges.cloudflare.com/turnstile/v0/siteverify", false, stream_context_create([
'http' => [
'method' => 'POST',
'header' => 'Content-type: application/x-www-form-urlencoded',
'content' => http_build_query([
'secret' => $secretKey,
'response' => $turnstileResponse,
'remoteip' => $remoteip
]),
],
]));
$result = json_decode($response, true);
if ($result['success']) {
return true;
} else {
return false;
}
}
}