spamicide.module in Spamicide 8

Spamicide.module.

File

spamicide.module

<?php

/**
 * @file
 * Spamicide.module.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\HttpFoundation\RedirectResponse;

/**
 * Implements hook_help().
 */
function spamicide_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.spamicide':
      $text = file_get_contents(dirname(__FILE__) . '/README.txt');
      if (!\Drupal::moduleHandler()
        ->moduleExists('markdown')) {
        return '<pre>' . $text . '</pre>';
      }
      else {

        // Use the Markdown filter to render the README.
        $filter_manager = \Drupal::service('plugin.manager.filter');
        $settings = \Drupal::configFactory()
          ->get('markdown.settings')
          ->getRawData();
        $config = [
          'settings' => $settings,
        ];
        $filter = $filter_manager
          ->createInstance('markdown', $config);
        return $filter
          ->process($text, 'en');
      }
  }
  return NULL;
}

/**
 * Implements hook_form_alter().
 */
function spamicide_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  $spamicide = \Drupal::entityTypeManager()
    ->getStorage('spamicide')
    ->loadByProperties([
    'id' => $form_id,
    'status' => TRUE,
  ]);
  $spamicide = reset($spamicide);
  if (spamicide_add_button_to_form($spamicide, $form_id)) {
    $form['spamicide_group'] = [
      '#type' => 'details',
      '#open' => FALSE,
      '#title' => t('Spamicide'),
    ];
    $form['spamicide_group']['spamicide_url'] = [
      '#type' => 'link',
      '#title' => t('Add spamicide to this form to prevent spam'),
      '#url' => Url::fromRoute('entity.spamicide.add_form', [], [
        'attributes' => [
          'class' => [
            'button',
          ],
        ],
        'query' => [
          'form_id' => $form_id,
        ],
      ]),
    ];
  }
  if ($spamicide) {
    $form['feed_me'] = [
      '#type' => 'textfield',
      '#title' => 'Feed me',
      '#weight' => 999,
      '#attributes' => [
        'class' => [
          'feed_me_textfield',
        ],
      ],
    ];
    $form['actions']['#weight'] = 1000;
    $form['#attached']['library'][] = 'spamicide/spamicide';
    $form['#validate'][] = 'spamicide_validate';
  }
}

/**
 * Implements hook_validate().
 */
function spamicide_validate(array $form, FormStateInterface &$form_state) {
  $spamicide = $form_state
    ->getValue('feed_me');
  $spamicide_settings = \Drupal::configFactory()
    ->getEditable('spamicide.settings');
  if (empty($spamicide)) {
    return;
  }
  $form_state
    ->setError($form, 'Spamicide prevent form submit');

  // Log to watchdog if needed.
  if ($spamicide_settings
    ->get('spamicide_log_attempts')) {
    $counter = $spamicide_settings
      ->get('spamicide_counter') + 1;
    $spamicide_settings
      ->set('spamicide_counter', $counter);
    $spamicide_settings
      ->save();
    \Drupal::logger('spamicide')
      ->notice(t('%form_id post blocked by Spamicide module: their IP address is "%ipaddress".', [
      '%form_id' => $form['form_id'],
      '%ipaddress' => Drupal::request()
        ->getClientIp(),
    ]));
  }
  $response = new RedirectResponse(Url::fromRoute('<current>')
    ->toString());
  $response
    ->send();
}

/**
 * Helper function to check permissions and requirements to form.
 *
 * @param bool $spamicide
 *   Spamicide.
 * @param string $form_id
 *   Form id.
 *
 * @return bool
 *   True or false.
 */
function spamicide_add_button_to_form($spamicide, $form_id) {
  $current_path = \Drupal::service('path.current');
  $spamicide_settings = \Drupal::configFactory()
    ->get('spamicide.settings');
  $currentUser = \Drupal::currentUser();
  $exclude_forms = [
    'spamicide_add_form',
    'spamicide_edit_form',
    'spamicide_delete_form',
    'search_block_form',
    'search_form',
  ];
  if ($spamicide_settings
    ->get('spamicide_admin_mode') && $currentUser
    ->hasPermission('administer spamicide') && !$spamicide && !in_array($form_id, $exclude_forms) && strpos($current_path
    ->getPath(), '/admin/structure') === FALSE) {
    return TRUE;
  }
  return FALSE;
}

Functions

Name	Description
spamicide_add_button_to_form	Helper function to check permissions and requirements to form.
spamicide_form_alter	Implements hook_form_alter().
spamicide_help	Implements hook_help().
spamicide_validate	Implements hook_validate().