--- /dev/null
+<?php
+
+namespace Drupal\ban\Form;
+
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\ban\BanIpManagerInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+/**
+ * Provides a form to unban IP addresses.
+ */
+class BanDelete extends ConfirmFormBase {
+
+ /**
+ * The banned IP address.
+ *
+ * @var string
+ */
+ protected $banIp;
+
+ /**
+ * The IP manager.
+ *
+ * @var \Drupal\ban\BanIpManagerInterface
+ */
+ protected $ipManager;
+
+ /**
+ * Constructs a new BanDelete object.
+ *
+ * @param \Drupal\ban\BanIpManagerInterface $ip_manager
+ * The IP manager.
+ */
+ public function __construct(BanIpManagerInterface $ip_manager) {
+ $this->ipManager = $ip_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static(
+ $container->get('ban.ip_manager')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'ban_ip_delete_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getQuestion() {
+ return $this->t('Are you sure you want to unblock %ip?', ['%ip' => $this->banIp]);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getConfirmText() {
+ return $this->t('Delete');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCancelUrl() {
+ return new Url('ban.admin_page');
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @param string $ban_id
+ * The IP address record ID to unban.
+ */
+ public function buildForm(array $form, FormStateInterface $form_state, $ban_id = '') {
+ if (!$this->banIp = $this->ipManager->findById($ban_id)) {
+ throw new NotFoundHttpException();
+ }
+ return parent::buildForm($form, $form_state);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $this->ipManager->unbanIp($this->banIp);
+ $this->logger('user')->notice('Deleted %ip', ['%ip' => $this->banIp]);
+ drupal_set_message($this->t('The IP address %ip was deleted.', ['%ip' => $this->banIp]));
+ $form_state->setRedirectUrl($this->getCancelUrl());
+ }
+
+}