public function StatuspageController::content in Nagios Monitoring 8

Main function building the string to show via HTTP.

Parameters

string $module_name: Only check the given module with a hook_nagios() implementation.

string $id_for_hook: An arbitrary value to pass into the hook_nagios() implementation.

Return value

\Symfony\Component\HttpFoundation\Response

1 string reference to 'StatuspageController::content'

nagios.settings.yml in config/install/nagios.settings.yml

config/install/nagios.settings.yml

File

src/Controller/StatuspageController.php, line 39

Class

StatuspageController

Class StatuspageController produces the HTTP output that the bash script in the nagios-plugin directory understands.

Namespace

Drupal\nagios\Controller

Code

public function content(string $module_name = '', string $id_for_hook = '') {

  // Disable cache:
  \Drupal::service('page_cache_kill_switch')
    ->trigger();

  // Check the unique ID string and access permissions first.
  $ua = $this->config
    ->get('nagios.ua');
  $request_code = $_SERVER['HTTP_USER_AGENT'];

  // Check if HTTP GET variable "unique_id" is used and the usage is allowed.
  if (isset($_GET['unique_id']) && $this->config
    ->get('nagios.statuspage.getparam') == TRUE) {
    $request_code = $_GET['unique_id'];
  }
  if ($request_code == $ua || \Drupal::currentUser()
    ->hasPermission('administer site configuration')) {

    // Authorized, so go ahead calling all modules:
    $nagios_data = $module_name ? [
      $module_name => call_user_func($module_name . '_nagios', $id_for_hook),
    ] : nagios_invoke_all('nagios');
  }
  else {

    // This is not an authorized unique id or user,
    // so just return this default status.
    $nagios_data = [
      'nagios' => [
        'DRUPAL' => [
          'status' => NAGIOS_STATUS_UNKNOWN,
          'type' => 'state',
          'text' => $this
            ->t('Unauthorized'),
        ],
      ],
    ];
  }
  [
    $output,
  ] = $this
    ->getStringFromNagiosData($nagios_data);
  $response = new Response($output, Response::HTTP_OK, [
    'Content-Type' => 'text/plain',
  ]);

  // Disable browser cache:
  $response
    ->setMaxAge(0);
  $response
    ->setExpires();
  return $response;
}