LoginController.java

package it.inaf.ia2.gms.authn;

import java.security.Principal;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class LoginController {

    @Autowired
    private SessionData sessionData;

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

    @GetMapping(value = "/", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
    public Principal root(Principal principal) {
        return principal;
    }
}