public function AdvbanAdmin::validateForm in Advanced ban 8

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

src/Form/AdvbanAdmin.php, line 200

Class

AdvbanAdmin

Displays banned IP addresses.

Namespace

Drupal\advban\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  $edit_mode = $form_state
    ->getValue('form_mode') == 'edit';
  $ip = trim($form_state
    ->getValue('ip'));
  $own_ip = $this
    ->getRequest()
    ->getClientIP();
  if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) == FALSE) {

    // Check for a valid IP address.
    $form_state
      ->setErrorByName('ip', $this
      ->t('Enter a valid IP address.'));
  }
  elseif (!$edit_mode && $this->ipManager
    ->isBanned($ip, [
    'expiry_check' => FALSE,
  ])) {

    // Check fpr already banned IP address.
    $form_state
      ->setErrorByName('ip', $this
      ->t('This IP address is already banned.'));
  }
  elseif ($ip == $own_ip) {

    // Check for own IP.
    $form_state
      ->setErrorByName('ip', $this
      ->t('You may not ban your own IP address.'));
  }
  $ip_end = trim($form_state
    ->getValue('ip_end'));

  // Range IP validate.
  if (!empty($ip_end)) {
    $own_ip_long = ip2long($own_ip);
    if (filter_var($ip_end, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE) == FALSE) {

      // Check for a valid IP address.
      $form_state
        ->setErrorByName('ip_end', $this
        ->t('Enter a valid IP address.'));
    }
    else {
      $ip_long = ip2long($ip);
      $ip_end_long = ip2long($ip_end);
      if (!$ip_long || !$ip_end_long) {
        if (!$ip_long) {

          // Check for IP type.
          $form_state
            ->setErrorByName('ip', $this
            ->t('Only IPv4 is available for IP range.'));
        }
        if (!$ip_end_long) {

          // Check for IP type.
          $form_state
            ->setErrorByName('ip_end', $this
            ->t('Only IPv4 is available for IP range.'));
        }
      }
      elseif ($own_ip_long && $own_ip_long >= $ip_long && $own_ip_long <= $ip_end_long) {
        $form_state
          ->setErrorByName('ip', $this
          ->t('You may not ban your own IP address %own_ip.', [
          '%own_ip' => $own_ip,
        ]));
        $form_state
          ->setErrorByName('ip_end', '');
      }
      elseif ($ip_end_long <= $ip_long) {
        $form_state
          ->setErrorByName('ip', $this
          ->t('IP begin must be greater then IPThe end IP address must be greater than the start IP address.'));
        $form_state
          ->setErrorByName('ip_end', '');
      }
    }
  }

  // Check for correct expiry duration.
  $expiry_duration_index = $form_state
    ->getValue('expiry_duration');
  if ($expiry_duration_index != AdvbanHelper::ADVBAN_NEVER) {
    $expiry_duration = $this->ipManager
      ->expiryDurations($expiry_duration_index);
    $expiry_date = strtotime($expiry_duration);
    if (!$expiry_date) {
      $form_state
        ->setErrorByName('expiry_date', $this
        ->t('Wrong expiry time with duration %expiry_duration', [
        '%expiry_duration' => $expiry_duration,
      ]));
    }
  }
}