public static function MoAuthUtilities::check_white_IPs in Google Authenticator / 2 Factor Authentication - 2FA 8

Same name and namespace in other branches

1. 8.2 src/MoAuthUtilities.php \Drupal\miniorange_2fa\MoAuthUtilities::check_white_IPs()

1 call to MoAuthUtilities::check_white_IPs()

miniorange_2fa_form_alter in ./miniorange_2fa.module

File

src/MoAuthUtilities.php, line 204

This file is part of miniOrange 2FA module.

Class

MoAuthUtilities

Namespace

Drupal\miniorange_2fa

Code

public static function check_white_IPs() {
  $enable_whitelisted_IP = \Drupal::config('miniorange_2fa.settings')
    ->get('mo_auth_enable_whitelist_IPs');
  if ($enable_whitelisted_IP == FALSE) {
    return FALSE;
  }
  $current_IP_address = self::get_client_ip();
  $whitelisted_IP = \Drupal::config('miniorange_2fa.settings')
    ->get('mo_auth_whitelisted_IP_address');
  if (is_null($whitelisted_IP) || empty($whitelisted_IP)) {
    return FALSE;
  }
  $whitelisted_IP_array = explode(";", $whitelisted_IP);
  $mo_ip_found = FALSE;
  foreach ($whitelisted_IP_array as $key => $value) {
    if (stristr($value, '-')) {

      /* Search in range of IP address */
      list($lower, $upper) = explode('-', $value, 2);
      $lower_range = ip2long($lower);
      $upper_range = ip2long($upper);
      $current_IP = ip2long($current_IP_address);
      if ($lower_range !== FALSE && $upper_range !== FALSE && $current_IP !== FALSE && ($current_IP >= $lower_range && $current_IP <= $upper_range)) {
        $mo_ip_found = TRUE;
        break;
      }
    }
    else {

      /* Compare with single IP address */
      if ($current_IP_address == $value) {
        $mo_ip_found = TRUE;
        break;
      }
    }
  }
  return $mo_ip_found;
}