AppserverIo\Appserver\ServletEngine\Security\Realm::authenticate PHP 메소드

    public function authenticate(string $username, string $password)
    {
        // prepare the callback handler
        $callbackHandler = new SecurityAssociationHandler(new SimplePrincipal($username), $password);
        // authenticate the passed username/password combination
        return $this->authenticateByUsernameAndCallbackHandler($username, $callbackHandler);
    }