private function CasSubscriber::handleGateway in CAS 8

Check if the current path is a gateway path.

Return value

bool TRUE if current path is a gateway path, FALSE otherwise.

1 call to CasSubscriber::handleGateway()

CasSubscriber::handle in src/Subscriber/CasSubscriber.php

The entry point for our subscriber.

File

src/Subscriber/CasSubscriber.php, line 245

Class

CasSubscriber

Provides a CasSubscriber.

Namespace

Drupal\cas\Subscriber

Code

private function handleGateway() {

  // Don't do anything if this is a request from cron, drush, crawler, etc.
  if ($this
    ->isCrawlerRequest()) {
    return FALSE;
  }

  // Only implement gateway feature for GET requests, to prevent users from
  // being redirected to CAS server for things like form submissions.
  if (!$this->requestStack
    ->getCurrentRequest()
    ->isMethod('GET')) {
    return FALSE;
  }
  if ($this->gatewayCheckFrequency === CasHelper::CHECK_NEVER) {
    return FALSE;
  }

  // User can indicate specific paths to enable (or disable) gateway mode.
  $condition = $this->conditionManager
    ->createInstance('request_path');
  $condition
    ->setConfiguration($this->gatewayPaths);
  if (!$this->conditionManager
    ->execute($condition)) {
    return FALSE;
  }

  // If set to only implement gateway once per session, we use a session
  // variable to store the fact that we've already done the gateway check
  // so we don't keep doing it.
  if ($this->gatewayCheckFrequency === CasHelper::CHECK_ONCE) {

    // If the session var is already set, we know to back out.
    if ($this->requestStack
      ->getCurrentRequest()
      ->getSession()
      ->has('cas_gateway_checked')) {
      $this->casHelper
        ->log(LogLevel::DEBUG, 'CAS gateway auth has already been performed for this session.');
      return FALSE;
    }
    $this->requestStack
      ->getCurrentRequest()
      ->getSession()
      ->set('cas_gateway_checked', TRUE);
  }
  return TRUE;
}