org.glassfish.security.services.api.authentication.AbstractInternalSystemAdministrator Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project for IBM JDK
There is a newer version: 4.1.2.181
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 * 
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 * 
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 * 
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package org.glassfish.security.services.api.authentication;

import javax.inject.Inject;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.internal.api.InternalSystemAdministrator;

/**
 * Implements most of the internal system administrator.
 * 
 * Different concrete subclasses implement {@link #getAdminGroupName() }
 * and {@link #getInternalUsername() } and {@link #createSubject() } differently.
 * 
 * @author tjquinn
 */
public abstract class AbstractInternalSystemAdministrator implements InternalSystemAdministrator, PostConstruct {
    
    private Subject subject;
    
    @Inject
    private AuthenticationService authService;
    
    @Override
    public void postConstruct() {
        subject = createSubject();
    }

    @Override
    public Subject getSubject() {
        return subject;
    }
    
    /**
     * Creates a subject using the impersonate method on the authentication
     * service.
     * 
     * @return the Subject to use for the internal system administrator.
     */
    protected Subject createSubject() {
        Subject s;
        try {
            s = authService.impersonate(
                    getInternalUsername(), 
                    new String[] {getAdminGroupName()}, 
                    null /* no pre-existing subject */,
                    true /* isVirtual */);
            return s;
        } catch (LoginException ex) {
            throw new RuntimeException(ex);
        }
    }
    
    abstract protected String getInternalUsername();
    
    abstract protected String getAdminGroupName();
}