// Simple server based on https://bshaffer.github.io/oauth2-server-php-docs/cookbook
-// include our OAuth2 Server object
-require_once __DIR__.'/server.php';
+// Include the common auth system files (including the OAuth2 Server object).
+require_once(__DIR__.'/authsystem.inc.php');
// Handle a request for an OAuth2.0 Access Token and send the response to the client
$server->handleTokenRequest(OAuth2\Request::createFromGlobals())->send();