package stirling.software.SPDF.config.security; import java.io.IOException; import org.springframework.security.authentication.BadCredentialsException; import org.springframework.security.authentication.LockedException; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler; import jakarta.servlet.ServletException; import jakarta.servlet.http.HttpServletRequest; import jakarta.servlet.http.HttpServletResponse; public class CustomAuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler { @Override public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException { String ip = request.getRemoteAddr(); logger.error("Failed login attempt from IP: " + ip); if (exception.getClass().isAssignableFrom(BadCredentialsException.class)) { setDefaultFailureUrl("/login?error=badcredentials"); } else if (exception.getClass().isAssignableFrom(LockedException.class)) { setDefaultFailureUrl("/login?error=locked"); } super.onAuthenticationFailure(request, response, exception); } }