package fr.ekito.example.security; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler; import org.springframework.stereotype.Component; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * Returns a 401 error code (Unauthorized) to the client, when Ajax authentication fails. */ @Component public class AjaxAuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler { @Override public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException { response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Authentication failed"); } }