How to redirect to the homepage if the user accesses the login page after being logged in?

Question

Here is my spring security config:

Answer 1

You could also restrict your login page to ROLE_ANONYMOUS and set an :

And in your handler check if the user is already authenticated:

@Service
public class AccessDeniedHandler extends AccessDeniedHandlerImpl {
    private final String HOME_PAGE = "/index.html";

    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException, ServletException {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        if (auth != null && !(auth instanceof AnonymousAuthenticationToken)) {
            response.sendRedirect(HOME_PAGE);
        }

        super.handle(request, response, e);
    }
}