resourcepermissiondetailsaction.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.wizards.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.core.CoreServlet;
import com.sslexplorer.core.CoreUtil;
import com.sslexplorer.policyframework.PolicyConstants;
import com.sslexplorer.policyframework.wizards.forms.ResourcePermissionDetailsForm;
import com.sslexplorer.security.SessionInfo;
import com.sslexplorer.wizard.AbstractWizardSequence;
import com.sslexplorer.wizard.DefaultWizardSequence;
import com.sslexplorer.wizard.WizardStep;
import com.sslexplorer.wizard.actions.AbstractWizardAction;

public class ResourcePermissionDetailsAction extends AbstractWizardAction {
    public ResourcePermissionDetailsAction() {
        super(PolicyConstants.RESOURCE_PERMISSION_RESOURCE_TYPE, null);
    }

    public int getNavigationContext(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
        return SessionInfo.MANAGEMENT_CONSOLE_CONTEXT;
    }

    public ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                    HttpServletResponse response) throws Exception {
        ActionForward fwd = super.unspecified(mapping, form, request, response);
        ActionMessages msgs = new ActionMessages();
        String permClass = (String) getWizardSequence(request).getAttribute(
            ResourcePermissionDetailsForm.ATTR_RESOURCE_PERMISSION_CLASS, null);
        msgs.add(Globals.MESSAGE_KEY, new ActionMessage("resourcePermissionWizard.creating." + permClass));
        saveMessages(request, msgs);
        CoreUtil.addRequiredFieldMessage(this, request);
        return fwd;
    }

    public ActionForward previous(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        throw new Exception("No previous steps.");
    }

    protected AbstractWizardSequence createWizardSequence(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                    HttpServletResponse response) throws Exception {
        ActionForward fwd = mapping.findForward("finish");
        String permClass = request.getParameter("class");
        SessionInfo session = this.getSessionInfo();
        if (CoreServlet.getServlet().getLogonController().isAdministrator(session.getUser())
                        || CoreServlet.getServlet().getPolicyDatabase().getPermittingResourcePermissions(null, null,
                            permClass, session.getUser(), true, false, true).size() > 0) {
            DefaultWizardSequence seq = new DefaultWizardSequence(fwd, "policyframework", "resourcePermissionWizard", CoreUtil
                .getReferer(request), "resourcePermissionWizard", session);
            seq.putAttribute(ResourcePermissionDetailsForm.ATTR_RESOURCE_PERMISSION_CLASS, permClass);
            seq.addStep(new WizardStep("/resourcePermissionDetails.do", true));
            seq.addStep(new WizardStep("/resourcePermissionPermissions.do", false));
            seq.addStep(new WizardStep("/resourcePermissionPolicySelection.do", false));
            final boolean delegationAvailabile = permClass.equals(PolicyConstants.DELEGATION_CLASS)
                            || permClass.equals(PolicyConstants.SYSTEM_CLASS);
            
            if (delegationAvailabile){
                seq.addStep(new WizardStep("/resourcePermissionDelegation.do", false) {

                    /**
                     * @return Returns the available.
                     */
                    public boolean getAvailable() {
                        return super.getAvailable() && delegationAvailabile;
                    }

                });
            }
            seq.addStep(new WizardStep("/resourcePermissionSummary.do", false));
            return seq;
        } else {
            throw new Exception("Permission denied.");
        }
    }
}