launchtunneledsiteaction.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.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sslexplorer.boot.Util;
import com.sslexplorer.core.CoreAttributeConstants;
import com.sslexplorer.core.CoreEvent;
import com.sslexplorer.core.CoreEventConstants;
import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.core.CoreUtil;
import com.sslexplorer.core.actions.AuthenticatedAction;
import com.sslexplorer.policyframework.Policy;
import com.sslexplorer.policyframework.ResourceAccessEvent;
import com.sslexplorer.policyframework.ResourceUtil;
import com.sslexplorer.security.SessionInfo;
import com.sslexplorer.security.VPNSession;
import com.sslexplorer.webforwards.TunneledSiteWebForward;
import com.sslexplorer.webforwards.WebForwardTypeItem;
import com.sslexplorer.webforwards.WebForwardTypes;

/**
 * Implementation of {@link com.sslexplorer.core.actions.AuthenticatedAction}
 * that launches a <i>Tunneled Site Web Forward</i>.
 * <p>
 * 
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.7 $
 */
public class LaunchTunneledSiteAction extends AuthenticatedAction {

    /**
     * Constructor.
     * 
     */
    public LaunchTunneledSiteAction() {
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.core.actions.AuthenticatedAction#isIgnoreSessionLock()
     */
    protected boolean isIgnoreSessionLock() {
        return true;
    }

    public ActionForward onExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        // Get the web forward

        String id = request.getParameter("id");
        if (id.equals("")) {
            throw new Exception("No web forward ID supplied.");
        }

        TunneledSiteWebForward wf = (TunneledSiteWebForward) CoreServlet.getServlet().getSystemDatabase().getWebForward(
            Integer.parseInt(id));

        // Check permission

        SessionInfo session = CoreServlet.getServlet().getLogonController().getSessionInfo(request);
        ResourceUtil.checkResourceAccessRights(wf, session);


        // Test if the agent is already running, if not then launch it first

        VPNSession vpnSession = CoreServlet.getServlet().getLogonController().getPrimaryVPNSession(
            CoreServlet.getServlet().getLogonController().getVPNSessionsByLogon(request));
        String referer = request.getParameter("referer");
        referer = referer == null ? CoreUtil.getReferer(request) : referer;
        referer = referer == null ? "/showHome.do" : referer;
        if (vpnSession == null) {
            return new ActionForward("/launchVPNClient.do?returnTo="
                            + Util.urlEncode("/launchTunneledSite.do?id=" + wf.getResourceId() + "&referer="
                                            + Util.urlEncode(referer)));
        } else {
            return new ActionForward("http://localhost:"
                            + vpnSession.getClientPort()
                            + "/openURL?link="
                            + Util.urlEncode(CoreUtil.doStandardReplacements(session, wf.getDestinationURL()))
                            + "&path="
                            + Util.urlEncode(referer), true);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.core.actions.CoreAction#getNavigationContext(org.apache.struts.action.ActionMapping,
     *      org.apache.struts.action.ActionForm,
     *      javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    public int getNavigationContext(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        return SessionInfo.MANAGEMENT_CONSOLE_CONTEXT | SessionInfo.USER_CONSOLE_CONTEXT;
    }
}