autoban-8.x-1.x-dev/autoban.module

<?php

/**
 * @file
 * Autoban entity type configuration.
 */

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Url;
use Drupal\autoban\AutobanBatch;

/**
 * Implements hook_help().
 */
function autoban_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.autoban':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Autoban allows to automatize IP ban using watchdog table by the module rules.') . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
      $output .= '<dt>' . t('Analyze <a href=":dblog">watchdog table</a> manually or using <a href=":analyze">analyze page</a>. Go to the test page during analysis.', [
        ':dblog' => Url::fromRoute('dblog.overview')->toString(),
        ':analyze' => Url::fromRoute('autoban.analyze')->toString(),
      ]) . '</dt>';
      $output .= '<dt>' . t('Go to the <a href=":config">autoban config page</a>.', [':config' => Url::fromRoute('autoban.settings')->toString()]) . '</dt>';
      return $output;
  }
}

/**
 * Implements hook_cron().
 */
function autoban_cron() {
  $config = \Drupal::config('autoban.settings');
  $autoban_cron = $config->get('autoban_cron') ?? TRUE;
  if (!$autoban_cron) {
    return;
  }

  $rules = \Drupal::entityTypeManager()->getStorage('autoban')->loadMultiple();
  if (empty($rules)) {
    return;
  }

  $total_banned = 0;
  foreach (array_keys($rules) as $rule_id) {
    $context = [];
    AutobanBatch::ipBan($rule_id, $context);
    $total_banned += (int) $context['results'];
  }
  if ($total_banned > 0) {
    \Drupal::logger('Autoban')->notice(t('Total IP banned: %count', ['%count' => $total_banned]));
  }
}