LoginController.java

package it.inaf.ia2.gms;

import java.security.Principal;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class LoginController {

    @GetMapping("/login")
    public Principal start(Principal principal) {
        return principal;
    }
    
    
    @GetMapping("/")
    public Principal root(Principal principal) {
        return principal;
    }
}