001package usecase.auth;
002
003import javax.annotation.Priority;
004import javax.inject.Inject;
005import javax.interceptor.AroundInvoke;
006import javax.interceptor.Interceptor;
007import javax.interceptor.InvocationContext;
008
009/**
010 * Classe interceptor per negare un'operazione ad un utente bannato.
011 */
012@Interceptor
013@DenyBannedUsers
014@Priority(Interceptor.Priority.APPLICATION+2)
015public class DenyBannedUsersInterceptor {
016    @Inject private CurrentUser currentUser;
017
018    @AroundInvoke
019    public Object checkAdmin(InvocationContext invocationContext) throws Exception{
020        if(currentUser.isLoggedIn() && currentUser.getBanDuration() != null){
021            throw new BannedUserException(currentUser.getBanDuration());
022        }
023        return invocationContext.proceed();
024    }
025}