webforwardresourcetype.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.webforwards;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.sslexplorer.boot.HostService;
import com.sslexplorer.core.CoreAttributeConstants;
import com.sslexplorer.core.CoreEvent;
import com.sslexplorer.core.CoreEventConstants;
import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.navigation.FavoriteResourceType;
import com.sslexplorer.navigation.WrappedFavoriteItem;
import com.sslexplorer.policyframework.DefaultResourceType;
import com.sslexplorer.policyframework.PolicyConstants;
import com.sslexplorer.policyframework.Resource;
import com.sslexplorer.policyframework.ResourceChangeEvent;
import com.sslexplorer.policyframework.ResourceDeleteEvent;
import com.sslexplorer.security.SessionInfo;

/**
 * Implementation of a {@link com.sslexplorer.policyframework.ResourceType} for
 * <i>Web Forward</i> resources.
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.12 $
 */
public class WebForwardResourceType extends DefaultResourceType implements FavoriteResourceType {

    final static Log log = LogFactory.getLog(WebForwardResourceType.class);

    /**
     * Constructor
     */
    public WebForwardResourceType() {
        super(PolicyConstants.WEBFORWARD_RESOURCE_TYPE_ID, "policyframework", PolicyConstants.DELEGATION_CLASS);
    }
    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteResourceType#createWrappedFavoriteItem(int,
     *      javax.servlet.http.HttpServletRequest, java.lang.String)
     */
    public WrappedFavoriteItem createWrappedFavoriteItem(int resourceId, HttpServletRequest request, String type) throws Exception {
        WebForward wf = CoreServlet.getServlet().getSystemDatabase().getWebForward(resourceId);
        WebForwardItem wfi;
        String hostField = request.getHeader("Host");
        HostService sslexplorerHost = hostField == null ? null : new HostService(hostField);
        if (wf != null) {
            wfi = new WebForwardItem(wf, sslexplorerHost, CoreServlet.getServlet().getPolicyDatabase()
                            .getPoliciesAttachedToResource(wf), wf.sessionPasswordRequired(CoreServlet.getServlet()
                            .getLogonController().getSessionInfo(request)));
            return new WrappedFavoriteItem(wfi, type);
        }
        return null;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteResourceType#getResourceById(int)
     */
    public Resource getResourceById(int resourceId) throws Exception {
        return CoreServlet.getServlet().getSystemDatabase().getWebForward(resourceId);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteResourceType#getResourceByName(java.lang.String)
     */
    public Resource getResourceByName(String resourceName) throws Exception {
        return CoreServlet.getServlet().getSystemDatabase().getWebForward(resourceName);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.policyframework.ResourceType#removeResource(int,
     *      com.sslexplorer.security.SessionInfo)
     */
    public Resource removeResource(int resourceId, SessionInfo session) throws Exception {
        try {
            WebForward resource = CoreServlet.getServlet().getSystemDatabase().deleteWebForward(resourceId);
            return resource;
        } catch (Exception e) {
            throw e;
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.boot.policyframework.ResourceType#updateResource(com.sslexplorer.boot.policyframework.Resource,
     *      com.sslexplorer.security.SessionInfo)
     */
    public void updateResource(Resource resource, SessionInfo session) throws Exception {
        try {
            CoreServlet.getServlet().getSystemDatabase().updateWebForward((WebForward) resource);
        } catch (Exception e) {
            throw e;
        }
    }

}