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<?php |
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/** |
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* @package reCAPTCHA |
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* @author Iurii Makukh <[email protected]> |
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* @copyright Copyright (c) 2017, Iurii Makukh <[email protected]> |
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* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0+ |
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*/ |
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namespace gplcart\modules\recaptcha; |
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use gplcart\core\Module, |
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gplcart\core\Config; |
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/** |
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* Main class for reCAPTCHA module |
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*/ |
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class Recaptcha extends Module |
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{ |
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/** |
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* @param Config $config |
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*/ |
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public function __construct(Config $config) |
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{ |
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parent::__construct($config); |
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} |
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/** |
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* Implements hook "module.install.before" |
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* @param null|string $result |
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*/ |
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public function hookModuleInstallBefore(&$result) |
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{ |
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if (!function_exists('curl_init')) { |
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$result = $this->getLanguage()->text('CURL library is not enabled'); |
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} |
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} |
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/** |
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* Implements hook "construct.controller" |
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* @param \gplcart\core\controllers\frontend\Controller $controller |
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*/ |
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public function hookConstructControllerFrontend($controller) |
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{ |
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$this->setRecaptcha($controller); |
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} |
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/** |
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* Implements hook "route.list" |
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* @param array $routes |
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*/ |
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public function hookRouteList(array &$routes) |
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{ |
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$routes['admin/module/settings/recaptcha'] = array( |
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'access' => 'module_edit', |
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'handlers' => array( |
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'controller' => array('gplcart\\modules\\recaptcha\\controllers\\Settings', 'editSettings') |
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) |
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); |
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} |
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/** |
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* Render and add CAPTCHA |
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* @param \gplcart\core\controllers\frontend\Controller $controller |
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*/ |
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protected function setRecaptcha($controller) |
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{ |
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if (!$controller->isInternalRoute()) { |
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$settings = $this->config->getFromModule('recaptcha'); |
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if (!empty($settings['key']) && !empty($settings['secret'])) { |
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$html = $controller->render('recaptcha|recaptcha', array('recaptcha_key' => $settings['key'])); |
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$controller->setData('_captcha', $html); |
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$this->processRecaptcha($controller, $settings); |
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} |
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} |
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} |
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/** |
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* Process reCAPTCHA's response |
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* @param \gplcart\core\controllers\frontend\Controller $controller |
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* @raram array $settings |
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* @return null|bool |
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*/ |
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protected function processRecaptcha($controller, $settings) |
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{ |
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if ($controller->isPosted('g-recaptcha-response')) { |
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$response = $this->queryRecaptcha($controller, $settings); |
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if (empty($response->success)) { |
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$controller->setError('recaptcha', $controller->text('You are spammer!')); |
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return false; |
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} |
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return true; |
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} |
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return null; |
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} |
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/** |
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* Post query to Recaptcha service |
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* @param \gplcart\core\controllers\frontend\Controller $controller |
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* @param array $settings |
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* @return object|null |
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*/ |
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protected function queryRecaptcha($controller, array $settings) |
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{ |
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/* @var $curl \gplcart\core\helpers\Curl */ |
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$curl = $this->getHelper('Curl'); |
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/* @var $request \gplcart\core\helpers\Request */ |
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$request = $this->getHelper('Request'); |
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$fields = array( |
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'remoteip' => $request->ip(), |
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'secret' => $settings['secret'], |
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'response' => $controller->getPosted('g-recaptcha-response', '', true, 'string') |
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); |
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$url = 'https://www.google.com/recaptcha/api/siteverify'; |
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try { |
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return json_decode($curl->post($url, array('fields' => $fields))); |
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} catch (\Exception $ex) { |
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return null; |
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} |
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} |
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} |
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gplcart /
recaptcha
