showpolicydispatchaction.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.policyframework.actions;

import java.util.Iterator;
import java.util.List;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.sslexplorer.core.CoreAttributeConstants;
import com.sslexplorer.core.CoreEvent;
import com.sslexplorer.core.CoreEventConstants;
import com.sslexplorer.core.CoreServlet;
import com.sslexplorer.input.MultiSelectDataSource;
import com.sslexplorer.policyframework.DelegatedPoliciesDataSource;
import com.sslexplorer.policyframework.Policy;
import com.sslexplorer.policyframework.PolicyConstants;
import com.sslexplorer.policyframework.Principal;
import com.sslexplorer.policyframework.Resource;
import com.sslexplorer.policyframework.forms.PolicyForm;
import com.sslexplorer.security.SessionInfo;
import com.sslexplorer.security.User;

/**
 * Implementation of a
 * {@link com.sslexplorer.policyframework.actions.AbstractResourceDispatchAction}
 * that allows editing of a <i>Policy</i> resource.
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.20 $
 */
public class ShowPolicyDispatchAction extends AbstractResourceDispatchAction {

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

    /**
     * Constructor
     */
    public ShowPolicyDispatchAction() {
        super(PolicyConstants.POLICY_RESOURCE_TYPE);
    }

    public ActionForward commit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        ActionForward fwd = super.commit(mapping, form, request, response);
        PolicyForm policyForm = (PolicyForm) form;
        Policy pol = (Policy) policyForm.getResource();
        if (pol.getResourceId() != PolicyConstants.EVERYONE_POLICY_ID) {
            List wasAttached = CoreServlet.getServlet().getPolicyDatabase().getPrincipalsGrantedPolicy(pol); // objects
            List nowAttached = policyForm.getSelectedAccountsList();

            // TODO fire revoking events
            CoreServlet.getServlet().getPolicyDatabase().revokePolicyFromAllPrincipals(pol);
            for (Iterator i = nowAttached.iterator(); i.hasNext();) {
                Principal p = CoreServlet.getServlet().getUserDatabase().getAccount((String) i.next());
                try {
                    CoreServlet.getServlet().getPolicyDatabase().grantPolicyToPrincipal(pol, p);
                } catch (Exception e) {
                    throw e;
                }
            }
            for (Iterator i = policyForm.getSelectedRolesList().iterator(); i.hasNext();) {

                Principal p = CoreServlet.getServlet().getUserDatabase().getRole((String) i.next());
                try {
                    CoreServlet.getServlet().getPolicyDatabase().grantPolicyToPrincipal(pol, p);
                } catch (Exception e) {
                    throw e;
                }
            }
        }
        return fwd;
    }

    /*
     * (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;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.policyframework.actions.AbstractResourceDispatchAction#createResource(org.apache.struts.action.ActionMapping,
     *      org.apache.struts.action.ActionForm,
     *      javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    public Resource createResource(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        throw new Exception("Create resource not supported.");
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.policyframework.actions.AbstractResourceDispatchAction#createAvailablePoliciesDataSource(com.sslexplorer.policyframework.Resource,
     *      org.apache.struts.action.ActionMapping,
     *      org.apache.struts.action.ActionForm,
     *      javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    protected MultiSelectDataSource createAvailablePoliciesDataSource(Resource resource, ActionMapping mapping, ActionForm form,
                                                                      HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        return new DelegatedPoliciesDataSource((Policy) resource, PolicyConstants.POLICY_RESOURCE_TYPE,
                        PolicyConstants.SYSTEM_CLASS, getSessionInfo().getUser());
    }
}