applicationshortcutresourcetype.java

来自「这是linux下ssl vpn的实现程序」· Java 代码 · 共 126 行

/*
 *  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.extensions;

import javax.servlet.http.HttpServletRequest;

import com.sslexplorer.core.CoreEvent;
import com.sslexplorer.core.CoreEventConstants;
import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.extensions.store.ExtensionStore;
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.security.SessionInfo;
import com.sslexplorer.security.VPNSession;

/**
 * Implementation of a {@link com.sslexplorer.policyframework.ResourceType} for
 * <i>Application Shortcut</i> resources.
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.7 $
 */
public class ApplicationShortcutResourceType extends DefaultResourceType implements FavoriteResourceType {

    /**
     * Constructor
     */
    public ApplicationShortcutResourceType() {
        super(PolicyConstants.APPLICATION_SHORTCUT_RESOURCE_TYPE_ID, "policyframework", PolicyConstants.DELEGATION_CLASS);
    }

    public WrappedFavoriteItem createWrappedFavoriteItem(int resourceId, HttpServletRequest request, String type) throws Exception {
        VPNSession session = CoreServlet.getServlet().getLogonController().getPrimaryVPNSession(
                        CoreServlet.getServlet().getLogonController().getVPNSessionsByLogon(request));
        ApplicationShortcut as = CoreServlet.getServlet().getSystemDatabase().getShortcut(resourceId);
        if (as == null) {
            return null;
        }
        ExtensionDescriptor des = ExtensionStore.getInstance().getExtensionDescriptor(as.getApplication());
        if (des == null) {
            throw new Exception("No application extension with ID of " + as.getApplication() + ", skipping favorite.");
        } else {
            SessionInfo inf = CoreServlet.getServlet().getLogonController().getSessionInfo(request);
            ApplicationShortcutItem it = new ApplicationShortcutItem(des, session == null ? -1 : session.getClientPort(), as,
                            CoreServlet.getServlet().getPolicyDatabase().getPoliciesAttachedToResource(as), inf
                                            .getNavigationContext(), as.sessionPasswordRequired(inf));
            if (as.getApplication() != null) {
                return new WrappedFavoriteItem(it, type);
            } else {
                throw new Exception("No application.");
            }
        }
    }

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

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteResourceType#getResourceByName(java.lang.String)
     */
    public Resource getResourceByName(String resourceName) throws Exception {
        return CoreServlet.getServlet().getSystemDatabase().getShortcutByName(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 {
            ApplicationShortcut resource = CoreServlet.getServlet().getSystemDatabase().deleteShortcut(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().updateApplicationShortcut(resource.getResourceId(),
                            resource.getResourceName(), resource.getResourceDescription(), resource.getParentResourcePermission(),
                            ((ApplicationShortcut) resource).getParameters());
        } catch (Exception e) {
            throw e;
        }
    }


}