BootSubscriber.php in Anti Spam by CleanTalk 8.3

Namespace

Drupal\cleantalk\EventSubscriber

File

src/EventSubscriber/BootSubscriber.php

<?php

namespace Drupal\cleantalk\EventSubscriber;

use Drupal\Core\Messenger\MessengerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Drupal\cleantalk\lib\Cleantalk\ApbctDrupal\SFW as CleantalkSFW;
use Drupal\cleantalk\lib\Cleantalk\Common\Helper as CleantalkHelper;
use Drupal\cleantalk\CleantalkFuncs;
use Drupal\Component\Utility\Html;
class BootSubscriber implements HttpKernelInterface {

  /**
   * The wrapped HTTP kernel.
   *
   * @var \Symfony\Component\HttpKernel\HttpKernelInterface
   */
  protected $httpKernel;

  /**
   * Creates a HTTP middleware handler.
   *
   * @param \Symfony\Component\HttpKernel\HttpKernelInterface $kernel
   *   The HTTP kernel.
   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
   *   The messenger.
   */

  /**
   * The messenger.
   *
   * @var \Drupal\Core\Messenger\MessengerInterface
   */
  protected $messenger;
  public function __construct(HttpKernelInterface $kernel, MessengerInterface $messenger = null) {
    $this->httpKernel = $kernel;
    $this->messenger = $messenger;
  }

  /**
   * {@inheritdoc}
   */
  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
    if (strpos($request->server
      ->get('REQUEST_URI'), '/admin/') === false) {

      // If Cookies are enabled and headers not sent
      if (\Drupal::config('cleantalk.settings')
        ->get('cleantalk_set_cookies') && !headers_sent()) {

        // Cookie names to validate
        $cookie_test_value = array(
          'cookies_names' => array(),
          'check_value' => trim(\Drupal::config('cleantalk.settings')
            ->get('cleantalk_authkey')),
        );

        // Submit time
        $apbct_timestamp = time();

        // Fix for submit_time = 0
        if (\Drupal::config('cleantalk.settings')
          ->get('cleantalk_alternative_cookies_session')) {

          // by database
          $prev_time = CleantalkFuncs::apbct_getcookie('apbct_prev_timestamp');
          if (is_null($prev_time)) {
            CleantalkFuncs::apbct_setcookie('apbct_timestamp', $apbct_timestamp);
            CleantalkFuncs::apbct_setcookie('apbct_prev_timestamp', $apbct_timestamp);
            $cookie_test_value['check_value'] .= $apbct_timestamp;
          }
          else {
            CleantalkFuncs::apbct_setcookie('apbct_timestamp', $prev_time);
            CleantalkFuncs::apbct_setcookie('apbct_prev_timestamp', $apbct_timestamp);
            $cookie_test_value['check_value'] .= $prev_time;
          }
        }
        else {

          // by cookies
          CleantalkFuncs::apbct_setcookie('apbct_timestamp', $apbct_timestamp);
          $cookie_test_value['check_value'] .= $apbct_timestamp;
        }
        $cookie_test_value['cookies_names'][] = 'apbct_timestamp';

        //Previous referer
        if (!empty($_SERVER['HTTP_REFERER'])) {
          CleantalkFuncs::apbct_setcookie('apbct_prev_referer', $_SERVER['HTTP_REFERER']);
          $cookie_test_value['cookies_names'][] = 'apbct_prev_referer';
          $cookie_test_value['check_value'] .= $_SERVER['HTTP_REFERER'];
        }

        // Cookies test
        $cookie_test_value['check_value'] = md5($cookie_test_value['check_value']);
        CleantalkFuncs::apbct_setcookie('apbct_cookies_test', json_encode($cookie_test_value));
      }

      // ENDIF: If Cookies are enabled and headers not sent
      // Remote calls
      if (isset($_GET['spbc_remote_call_token'], $_GET['spbc_remote_call_action'], $_GET['plugin_name']) && in_array($_GET['plugin_name'], array(
        'antispam',
        'anti-spam',
        'apbct',
      ))) {
        CleantalkFuncs::_cleantalk_apbct_remote_call__perform();
      }
      if (\Drupal::config('cleantalk.settings')
        ->get('cleantalk_sfw')) {
        $ct_key = trim(\Drupal::config('cleantalk.settings')
          ->get('cleantalk_authkey'));
        if ($ct_key != '') {
          $sfw = new CleantalkSFW($ct_key);
          $sfw
            ->check_ip();
          if (time() - \Drupal::state()
            ->get('cleantalk_sfw_last_send_log') > 3600) {
            CleantalkFuncs::_cleantalk_sfw_send_logs($ct_key);
          }
          if (time() - \Drupal::state()
            ->get('cleantalk_sfw_last_check') > 86400) {
            CleantalkFuncs::_cleantalk_sfw_update($ct_key);
          }
        }
      }

      //Custom Contact forms
      if (sizeof($_POST) > 0 && !$request
        ->get('form_build_id') && !$request
        ->get('form_id') && \Drupal::config('cleantalk.settings')
        ->get('cleantalk_check_ccf')) {
        $ct_temp_msg_data = CleantalkHelper::get_fields_any($request);
        $spam_check = array();
        $spam_check['type'] = 'custom_contact_form';
        $spam_check['sender_email'] = $ct_temp_msg_data['email'] ? $ct_temp_msg_data['email'] : '';
        $spam_check['sender_nickname'] = $ct_temp_msg_data['nickname'] ? $ct_temp_msg_data['nickname'] : '';
        $spam_check['message_title'] = $ct_temp_msg_data['subject'] ? $ct_temp_msg_data['subject'] : '';
        $spam_check['message_body'] = $ct_temp_msg_data['message'] ? implode("\n", $ct_temp_msg_data['message']) : '';
        if ($spam_check['sender_email'] != '' || $spam_check['message_title'] != '' || $spam_check['message_body'] != '') {
          $result = CleantalkFuncs::_cleantalk_check_spam($spam_check);
          if (isset($result) && is_array($result) && $result['errno'] == 0 && $result['allow'] != 1) {
            $this->messenger
              ->addError(HTML::escape($result['ct_result_comment']));
          }
        }
      }

      // Search
      if ($request->server
        ->get('REQUEST_URI') && strpos($request->server
        ->get('REQUEST_URI'), 'search') !== false && $request
        ->get('keys')) {
        if (\Drupal::config('cleantalk.settings')
          ->get('cleantalk_check_search_form')) {
          global $user;
          $get_query = $request
            ->get('keys');
          $spam_check['type'] = 'site_search_drupal8';
          $spam_check['sender_email'] = !empty($user->mail) ? $user->mail : '';
          $spam_check['sender_nickname'] = !empty($user->name) ? $user->name : '';
          $spam_check['message_title'] = '';
          $spam_check['message_body'] = $get_query;
          if ($spam_check['sender_email'] != '' || $spam_check['message_body']) {
            $spam_result = CleantalkFuncs::_cleantalk_check_spam($spam_check);
            if (isset($spam_result) && is_array($spam_result) && $spam_result['errno'] == 0 && $spam_result['allow'] != 1) {
              CleantalkFuncs::_cleantalk_die($spam_result['ct_result_comment']);
            }
          }
        }
      }
    }
    return $this->httpKernel
      ->handle($request, $type, $catch);
  }

}

Classes

Name	Description
BootSubscriber