getCsrfToken example

$passport = $event->getPassport();
        if (!$passport->hasBadge(CsrfTokenBadge::class)) {
            return;
        }

        /** @var CsrfTokenBadge $badge */
        $badge = $passport->getBadge(CsrfTokenBadge::class);
        if ($badge->isResolved()) {
            return;
        }

        $csrfToken = new CsrfToken($badge->getCsrfTokenId(), $badge->getCsrfToken());

        if (false === $this->csrfTokenManager->isTokenValid($csrfToken)) {
            throw new InvalidCsrfTokenException('Invalid CSRF token.');
        }

        $badge->markResolved();
    }

    public static function getSubscribedEvents(): array
    {
        return [CheckPassportEvent::class => ['checkPassport', 512]];
    }