Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\ban\Form;
Chris@0: 
Chris@0: use Drupal\Core\Form\FormBase;
Chris@0: use Drupal\ban\BanIpManagerInterface;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Url;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Displays banned IP addresses.
Chris@14:  *
Chris@14:  * @internal
Chris@0:  */
Chris@0: class BanAdmin extends FormBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * @var \Drupal\ban\BanIpManagerInterface
Chris@0:    */
Chris@0:   protected $ipManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new BanAdmin object.
Chris@0:    *
Chris@0:    * @param \Drupal\ban\BanIpManagerInterface $ip_manager
Chris@0:    */
Chris@0:   public function __construct(BanIpManagerInterface $ip_manager) {
Chris@0:     $this->ipManager = $ip_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('ban.ip_manager')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getFormId() {
Chris@0:     return 'ban_ip_form';
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    *
Chris@0:    * @param string $default_ip
Chris@0:    *   (optional) IP address to be passed on to
Chris@0:    *   \Drupal::formBuilder()->getForm() for use as the default value of the IP
Chris@0:    *   address form field.
Chris@0:    */
Chris@0:   public function buildForm(array $form, FormStateInterface $form_state, $default_ip = '') {
Chris@0:     $rows = [];
Chris@0:     $header = [$this->t('banned IP addresses'), $this->t('Operations')];
Chris@0:     $result = $this->ipManager->findAll();
Chris@0:     foreach ($result as $ip) {
Chris@0:       $row = [];
Chris@0:       $row[] = $ip->ip;
Chris@0:       $links = [];
Chris@0:       $links['delete'] = [
Chris@0:         'title' => $this->t('Delete'),
Chris@0:         'url' => Url::fromRoute('ban.delete', ['ban_id' => $ip->iid]),
Chris@0:       ];
Chris@0:       $row[] = [
Chris@0:         'data' => [
Chris@0:           '#type' => 'operations',
Chris@0:           '#links' => $links,
Chris@0:         ],
Chris@0:       ];
Chris@0:       $rows[] = $row;
Chris@0:     }
Chris@0: 
Chris@0:     $form['ip'] = [
Chris@0:       '#title' => $this->t('IP address'),
Chris@0:       '#type' => 'textfield',
Chris@0:       '#size' => 48,
Chris@0:       '#maxlength' => 40,
Chris@0:       '#default_value' => $default_ip,
Chris@0:       '#description' => $this->t('Enter a valid IP address.'),
Chris@0:     ];
Chris@0:     $form['actions'] = ['#type' => 'actions'];
Chris@0:     $form['actions']['submit'] = [
Chris@0:       '#type' => 'submit',
Chris@0:       '#value' => $this->t('Add'),
Chris@0:     ];
Chris@0: 
Chris@0:     $form['ban_ip_banning_table'] = [
Chris@0:       '#type' => 'table',
Chris@0:       '#header' => $header,
Chris@0:       '#rows' => $rows,
Chris@0:       '#empty' => $this->t('No blocked IP addresses available.'),
Chris@0:       '#weight' => 120,
Chris@0:     ];
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function validateForm(array &$form, FormStateInterface $form_state) {
Chris@0:     $ip = trim($form_state->getValue('ip'));
Chris@0:     if ($this->ipManager->isBanned($ip)) {
Chris@0:       $form_state->setErrorByName('ip', $this->t('This IP address is already banned.'));
Chris@0:     }
Chris@0:     elseif ($ip == $this->getRequest()->getClientIP()) {
Chris@0:       $form_state->setErrorByName('ip', $this->t('You may not ban your own IP address.'));
Chris@0:     }
Chris@0:     elseif (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) == FALSE) {
Chris@0:       $form_state->setErrorByName('ip', $this->t('Enter a valid IP address.'));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitForm(array &$form, FormStateInterface $form_state) {
Chris@0:     $ip = trim($form_state->getValue('ip'));
Chris@0:     $this->ipManager->banIp($ip);
Chris@17:     $this->messenger()->addStatus($this->t('The IP address %ip has been banned.', ['%ip' => $ip]));
Chris@0:     $form_state->setRedirect('ban.admin_page');
Chris@0:   }
Chris@0: 
Chris@0: }