ServletContainerToken.java

/*
 * Copyright (C) 2005-2017 ManyDesigns srl.  All rights reserved.
 * http://www.manydesigns.com/
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.manydesigns.portofino.shiro;

import org.apache.shiro.authc.AuthenticationToken;

import javax.servlet.http.HttpServletRequest;
import java.security.Principal;

/**
 * An AuthenticationToken that signals that the user is authenticated according to the servlet container.
 *
 * @author Paolo Predonzani     - paolo.predonzani@manydesigns.com
 * @author Angelo Lupo          - angelo.lupo@manydesigns.com
 * @author Giampiero Granatella - giampiero.granatella@manydesigns.com
 * @author Alessio Stalla       - alessio.stalla@manydesigns.com
 */
public class ServletContainerToken implements AuthenticationToken {
    public static final String copyright =
            "Copyright (C) 2005-2017 ManyDesigns srl";

    protected final Principal userPrincipal;

    public ServletContainerToken(HttpServletRequest request) {
        userPrincipal = request.getUserPrincipal();
        if(userPrincipal == null) {
            throw new NullPointerException("UserPrincipal can not be null");
        }
    }

    public Principal getPrincipal() {
        return userPrincipal;
    }

    public Object getCredentials() {
        return "";
    }
}