public function ShibAuthSubscriber::checkForShibbolethDebug in Shibboleth Authentication 8

Show debug messages, if needed.

Parameters

\Symfony\Component\HttpKernel\Event\GetResponseEvent $event:

File

src/EventSubscriber/ShibAuthSubscriber.php, line 49

Class

ShibAuthSubscriber

Class ShibAuthSubscriber.

Namespace

Drupal\shib_auth\EventSubscriber

Code

public function checkForShibbolethDebug(GetResponseEvent $event) {
  $config = \Drupal::config('shib_auth.shibbolethsettings');
  if (!$config
    ->get('enable_debug_mode')) {

    // Debugging is off-- bail.
    return;
  }
  $patterns = '';
  if ($path_prefix = $config
    ->get('debug_prefix_path')) {
    $patterns = $path_prefix . "\n" . $path_prefix . '*';
  }
  $current_path = \Drupal::service('path.current')
    ->getPath();
  if ($patterns && !\Drupal::service('path.matcher')
    ->matchPath($current_path, $patterns)) {

    // Path doesn't match-- bail.
    return;
  }
  $tags = [
    'pre',
    'b',
    'br',
  ];
  $debug_message = Xss::filter('<b>' . $this
    ->t('Shibboleth debug information') . '</b>', $tags);
  $rendered_message = Markup::create($debug_message);
  $this->messenger
    ->addStatus($rendered_message);
  $current_user = \Drupal::currentUser();
  if ($current_user
    ->id()) {
    $user_info = [
      'uid' => $current_user
        ->id(),
      'name' => $current_user
        ->getAccountName(),
      'mail' => $current_user
        ->getEmail(),
      'roles' => $current_user
        ->getRoles(),
    ];
    $debug_message = Xss::filter('<b>Drupal::currentUser():</b><br/><pre>' . print_r($user_info, TRUE) . '</pre>', $tags);
    $rendered_message = Markup::create($debug_message);
    $this->messenger
      ->addStatus($rendered_message);
  }

  // Show $_SESSION variables.
  // Work around that drupal_set_message() keeps previous messages in $_SESSION.
  if (!empty($_SESSION)) {
    $session_copy = $_SESSION;
  }
  else {
    $session_copy = [];
  }
  if (isset($session_copy['messages'])) {
    unset($session_copy['messages']);
  }
  $debug_message = Xss::filter('<b>$_SESSION:</b><br/><pre>' . print_r($session_copy, TRUE) . '</pre>', $tags);
  unset($session_copy);
  $rendered_message = Markup::create($debug_message);
  $this->messenger
    ->addStatus($rendered_message);

  // Show $_SERVER variables.
  $debug_message = Xss::filter('<b>$_SERVER:</b><br/><pre>' . print_r($_SERVER, TRUE) . '</pre>', $tags);
  $rendered_message = Markup::create($debug_message);
  $this->messenger
    ->addStatus($rendered_message);

  // Show config settings.
  $settings = $config
    ->getRawData();
  $adv_config = \Drupal::config('shib_auth.advancedsettings');
  $settings += $adv_config
    ->getRawData();
  ksort($settings);
  $debug_message = Xss::filter('<b>' . $this
    ->t('Module configuration') . ':</b><br/><pre>' . print_r($settings, TRUE) . '</pre>', $tags);
  $rendered_message = Markup::create($debug_message);
  $this->messenger
    ->addStatus($rendered_message);
}