public function SamlSpSubscriber::checkForCertExpiration in SAML Service Provider 4.x

Same name and namespace in other branches

1. 8.3 src/EventSubscriber/SamlSpSubscriber.php \Drupal\saml_sp\EventSubscriber\SamlSpSubscriber::checkForCertExpiration()
2. 8.2 src/EventSubscriber/SamlSpSubscriber.php \Drupal\saml_sp\EventSubscriber\SamlSpSubscriber::checkForCertExpiration()
3. 3.x src/EventSubscriber/SamlSpSubscriber.php \Drupal\saml_sp\EventSubscriber\SamlSpSubscriber::checkForCertExpiration()

Checks to be sure the certificate has not expired.

File

src/EventSubscriber/SamlSpSubscriber.php, line 21

Class

SamlSpSubscriber

Subscribes to relevant events.

Namespace

Drupal\saml_sp\EventSubscriber

Code

public function checkForCertExpiration(GetResponseEvent $event) {
  $config = \Drupal::config('saml_sp.settings');
  $user = \Drupal::currentUser();
  if ($user
    ->hasPermission('configure saml sp') && function_exists('openssl_x509_parse') && !empty($config
    ->get('cert_location')) && file_exists($config
    ->get('cert_location'))) {
    $encoded_cert = trim(file_get_contents($config
      ->get('cert_location')));
    $cert = openssl_x509_parse(Utils::formatCert($encoded_cert));
    $test_time = \Drupal::time()
      ->getRequestTime();
    if ($cert['validTo_time_t'] < $test_time) {
      $markup = new TranslatableMarkup('Your site\'s SAML certificate is expired. Please replace it with another certificate and request an update to your Relying Party Trust (RPT). You can enter in a location for the new certificate/key pair on the <a href="@url">SAML Service Providers</a> page. Until the certificate/key pair is replaced your SAML authentication service will not function.', [
        '@url' => Url::fromRoute('saml_sp.admin')
          ->toString(),
      ]);
      \Drupal::messenger()
        ->addMessage($markup, MessengerInterface::TYPE_ERROR, FALSE);
    }
    elseif ($cert['validTo_time_t'] - $test_time < 60 * 60 * 24 * 30) {
      $markup = new TranslatableMarkup('Your site\'s SAML certificate will expire in %interval. Please replace it with another certificate and request an update to your Relying Party Trust (RPT). You can enter in a location for the new certificate/key pair on the <a href="@url">SAML Service Providers</a> page. Failure to update this certificate and update the Relying Party Trust (RPT) will result in the SAML authentication service not working.', [
        '%interval' => \Drupal::service('date.formatter')
          ->formatInterval($cert['validTo_time_t'] - $test_time, 2),
        '@url' => Url::fromRoute('saml_sp.admin')
          ->toString(),
      ]);
      \Drupal::messenger()
        ->addMessage($markup, MessengerInterface::TYPE_WARNING, FALSE);
    }
  }
}