I'm developing a demo where I use OAuth2 to login using a Google account. I have the index page that redirects the user to the OAuth/Google login, and once authenticated, I want to get redirected to a page where I can display the account's name and picture. For now, I return the whole principal data, but I want to just display name and picture.
Here you can see my controller, that returns the whole principal:
import java.security.Principal;
import org.springframework.security.core.Authentication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;
@RestController
public class Controller {
//returns the index page
@GetMapping("/")
public ModelAndView index() {
ModelAndView modelAndView = new ModelAndView();
modelAndView.setViewName("index.html");
return modelAndView;
}
//after login, redirects to this page, with user details
@RequestMapping(value="/user")
public Principal user(Principal principal) {
return principal;
}
}
What I really need is to get just some information, like name and picture from the google profile, information that is in the principal.
I can only access to the principal's name, by using .getName(), but it just returns an ID instead. I also tried getting the email like this, but it didnt work:
@RequestMapping(value="/user")
public Authentication user(OAuth2Authentication authentication) {
LinkedHashMap<String, Authentication> details = (LinkedHashMap<String, Authentication>) authentication.getUserAuthentication().getDetails();
return details.get("email");
}
So, is it possible to get user data through that principal, or is there a better way to do it?
