ip_range_access.module

<?php

/**
 * @file
 * Contains ip_range_access.module.
 */

use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_form_form_id_alter().
 */
function ip_range_acces_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  unset($form['visibility']['user_ip_address']);
}

/**
 * Implements hook_entity_view().
 */
function ip_range_access_entity_view(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
  $route_match_item = \Drupal::routeMatch()->getParameters()->all();
  // Get the parameter, which might be node, media or taxonomy term.
  $current_entity = reset($route_match_item);
  // Match exactly to ensure they are the same entity type.
  if ($entity === $current_entity) {
    if (\Drupal::moduleHandler()->moduleExists('context')) {
      $context_manager = \Drupal::service('context.manager');
      // If there are multiple contexts that block access, it's OK to use the first one.
      foreach ($context_manager->getActiveReactions('\Drupal\ip_range_access\Plugin\ContextReaction\DenyAccessReaction') as $reaction) {
        $reaction->execute();
      }
    }
  }
}

/**
 * Implements hook_form_form_id_alter().
 */
function ip_range_access_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  // Remove this condition from the core block placement UI. Use
  // /admin/structure/context instead if you want to use this condition
  // to alter block layout.
  unset($form['visibility']['user_ip_address']);
}