showiprestrictiondispatchaction.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.security.actions;

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

import org.apache.struts.Globals;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

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.AuthenticatedDispatchAction;
import com.sslexplorer.policyframework.Permission;
import com.sslexplorer.policyframework.PolicyConstants;
import com.sslexplorer.policyframework.PolicyUtil;
import com.sslexplorer.security.SessionInfo;
import com.sslexplorer.security.forms.IpRestrictionForm;

/**
 * Implementation of a {@link com.sslexplorer.core.actions.AuthenticatedDispatchAction}
 * that allows an administrator to create an <i>IP Restrictions</i>.
 * 
 * @author P.J.King <a href="mailto:[e-mail]">&lt;[e-mail]&gt;</a>
 *
 */
public class ShowIpRestrictionDispatchAction extends AuthenticatedDispatchAction {
    
    
    /**
     * Constructor.
     */
    public ShowIpRestrictionDispatchAction() {
        super(PolicyConstants.IP_RESTRICTIONS_RESOURCE_TYPE, new Permission[] { PolicyConstants.PERM_CREATE,
                        PolicyConstants.PERM_DELETE });
    }

    public ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                    HttpServletResponse response) throws Exception {
        return mapping.findForward("display");
    }

    /**
     * This will setup the IP Restriction Form.
     * 
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     * @throws Exception
     */
    public ActionForward create(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        PolicyUtil.checkPermission(PolicyConstants.IP_RESTRICTIONS_RESOURCE_TYPE, PolicyConstants.PERM_CREATE, request);
        ((IpRestrictionForm) form).initialize();
        ((IpRestrictionForm) form).setReferer(CoreUtil.getReferer(request));
        CoreUtil.addRequiredFieldMessage(this, request);
        return mapping.findForward("display");
    }

    /**
     * This will attempt to write the IP Restriction to the database.
     * 
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     * @throws Exception
     */
    public ActionForward commit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        // Test if access is allowed
        PolicyUtil.checkPermission(PolicyConstants.ROLES_RESOURCE_TYPE, PolicyConstants.PERM_CREATE, request);
        String restriction = Util.decodeRequestString(request, request.getParameter("ipAddress").trim());
        // Declare local variables
        boolean type = "allow".equals(request.getParameter("type"));
        ActionMessages mesgs = new ActionMessages();
        // Make call to write to database
        try {
        	CoreServlet.getServlet().getSystemDatabase().addIpRestriction(restriction, type);
            mesgs.add(Globals.MESSAGE_KEY, new ActionMessage("availableRoles.roleCreated", restriction));
            saveMessages(request, mesgs);
        } catch (Exception ex) {
            throw ex;
        }
        return cancel(mapping, form, request, response);
    }

    /* (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;
    }
}