/*
 * $Header: /home/cvs/jakarta-slide/src/wrappers/catalina/SlideRealm.java,v 1.8 2001/09/10 09:21:03 juergen Exp $
 * $Revision: 1.8 $
 * $Date: 2001/09/10 09:21:03 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package wrappers.catalina;

import java.security.Principal;
import java.io.File;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import org.apache.catalina.Container;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.Logger;
import org.apache.catalina.Realm;
import org.apache.catalina.realm.RealmBase;
import org.apache.catalina.util.LifecycleSupport;
import org.apache.catalina.util.StringManager;

import org.apache.slide.common.NamespaceAccessToken;
import org.apache.slide.common.Domain;
import org.apache.slide.common.SlideToken;
import org.apache.slide.common.SlideTokenImpl;
import org.apache.slide.common.SlideException;
import org.apache.slide.content.Content;
import org.apache.slide.content.NodeRevisionDescriptors;
import org.apache.slide.content.NodeRevisionDescriptor;
import org.apache.slide.content.NodeProperty;
import org.apache.slide.structure.ObjectNode;
import org.apache.slide.authenticate.CredentialsToken;
import org.apache.slide.authenticate.SecurityToken;
import org.apache.slide.security.Security;


/**
 * Implemetation of a Catalina realm which authenticates users defined
 * in a Slide namespace, by delegating to a second Realm impl.
 * <p>
 *
 * @author Torgeir Veimo
 * @version $Revision$ $Date$
 */

public final class SlideRealmDelegate extends RealmBase {


    // ----------------------------------------------------- Instance Variables


    private SlideRealm realm = null;;
    
    /**
     * Descriptive information about this Realm implementation.
     */
    private static final String info = "wrappers.catalina.SlideRealmDelegate/1.0";

    /**
     * Set the namespace name to which this realm will connect.
     */
    public void setNamespace(String namespace) {
        realm.setNamespace(namespace);
    }


    /**
     * Set the namespace access token used by this realm.
     */
    public void setAccessToken(NamespaceAccessToken accessToken) {
        realm.setAccessToken(accessToken);
    }


    /**
     * Get name.
     */
    public String getName() {
        return "Slide realm delegate";
    }


    // --------------------------------------------------------- Public Methods


    /**
     * Return <code>true</code> if the specified Principal has the specified
     * security role, within the context of this Realm; otherwise return
     * <code>false</code>.
     *
     * @param principal Principal for whom the role is to be checked
     * @param role Security role to be checked
     */
    public boolean hasRole(Principal principal, String role) {
        return realm.hasRole(principal, role);
    }


    /**
     * Start the realm.
     */
    public void start() throws LifecycleException {
        super.start();
        
        realm = new SlideRealm();
        realm.setContainer(container);
        realm.setNamespace(container.getName());
        realm.start();
    }


    // ------------------------------------------------------ Protected Methods


    /**
     * Return the password associated with the given principal's user name.
     */
    protected String getPassword(String username) {
        return realm.getPassword(username);
    }


    /**
     * Return the Principal associated with the given user name.
     */
    protected Principal getPrincipal(String username) {
        return realm.getPrincipal(username);
    }
}