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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server.util;
import com.juick.User;
import com.juick.server.helpers.AnonymousUser;
import com.juick.service.security.entities.JuickUser;
import javax.annotation.Nonnull;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
/**
* Created by aalexeev on 11/14/16.
*/
public class UserUtils {
private UserUtils() {
throw new IllegalStateException();
}
public static Authentication getAuthentication() {
return SecurityContextHolder.getContext().getAuthentication();
}
public static Object getPrincipal(final Authentication authentication) {
return authentication == null ? null : authentication.getPrincipal();
}
@Nonnull
public static User getCurrentUser() {
Object principal = getPrincipal(getAuthentication());
if (principal instanceof JuickUser)
return ((JuickUser) principal).getUser();
if (principal instanceof User)
return (User) principal;
return AnonymousUser.INSTANCE;
}
}
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