updateprivatekeypassphrasedispatchaction.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 java.util.Properties;

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.Globals;
import org.apache.struts.action.ActionErrors;
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 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.security.PublicKeyStore;
import com.sslexplorer.security.SessionInfo;
import com.sslexplorer.security.UpdatePrivateKeyPassphraseException;
import com.sslexplorer.security.forms.UpdatePrivateKeyPassphraseForm;

/**
 * Implementation of
 * {@link com.sslexplorer.core.actions.AuthenticatedDispatchAction} that is used
 * when the passphrase of the users private must be changed.
 * <p>
 * This may happen for example if the key was created using their account
 * password which has since changed.
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.5 $
 * @see com.sslexplorer.security.forms.UpdatePrivateKeyPassphraseForm
 */
public class UpdatePrivateKeyPassphraseDispatchAction extends AuthenticatedDispatchAction {
    final static Log log = LogFactory.getLog(SetPasswordAction.class);

    /**
     * Constructor.
     */
    public UpdatePrivateKeyPassphraseDispatchAction() {
        super();
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.struts.actions.DispatchAction#unspecified(org.apache.struts.action.ActionMapping,
     *      org.apache.struts.action.ActionForm,
     *      javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    public ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request,
                                     HttpServletResponse response) throws Exception {
        UpdatePrivateKeyPassphraseForm f = (UpdatePrivateKeyPassphraseForm) form;
        return mapping.findForward("display");
    }

    /**
     * Commit the passphrase change.
     * 
     * @param mapping mappng
     * @param form form
     * @param request request
     * @param response response
     * @return forward
     * @throws Exception
     */
    public ActionForward commit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        UpdatePrivateKeyPassphraseForm f = (UpdatePrivateKeyPassphraseForm) form;
        Properties p = getSessionInfo().getUser().getAttributes();
        synchronized (p) {
            /*
             * First we need to verify using the old password so the
             * confidential user attributes can be decrypted
             */
            try {
                PublicKeyStore.getInstance().verifyPrivateKey(getSessionInfo().getUser(), f.getOldPassphrase().toCharArray());
            } catch (UpdatePrivateKeyPassphraseException upkpe) {
                // incorrect passphrase
                ActionErrors errs = new ActionErrors();
                errs.add(Globals.ERROR_KEY, new ActionMessage("updatePrivateKeyPassphrase.error.incorrectPassphrase"));
                saveErrors(request.getSession(), errs);
                return mapping.getInputForward();
            }

            /*
             * Reload the users attributes now that the key is initialised so
             * that confidential attributes are loaded
             */
            CoreServlet.getServlet().getUserDatabase().loadAttributes(getSessionInfo().getUser());

            /*
             * Now change the passphrase
             */
            PublicKeyStore.getInstance().changePrivateKeyPassphrase(
                getSessionInfo().getUser(),
                f.getOldPassphrase(),
                new String(CoreServlet.getServlet().getLogonController().getPasswordFromCredentials(
                    getSessionInfo().getCredentials())));
            CoreUtil.removePageInterceptListener(request.getSession(), "updatePrivateKeyPassphrase");

            /*
             * And update the user attributes and fire the logon event
             */
            CoreServlet.getServlet().getUserDatabase().updateAttributes(getSessionInfo().getUser().getPrincipalName(), p);            
            CoreServlet.getServlet().fireCoreEvent(new CoreEvent(this, CoreEventConstants.LOGON, getSessionInfo().getCredentials(), getSessionInfo()).addAttribute(
                CoreAttributeConstants.EVENT_ATTR_IP_ADDRESS, request.getRemoteAddr()).addAttribute(
                    CoreAttributeConstants.EVENT_ATTR_HOST, request.getRemoteHost()));
        }
        return mapping.findForward("success");
    }

    /**
     * Cancel and logout.
     * 
     * @param mapping mappng
     * @param form form
     * @param request request
     * @param response response
     * @return forward
     * @throws Exception
     */
    public ActionForward cancel(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
                    throws Exception {
        return mapping.findForward("cancel");
    }

    /*
     * (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.USER_CONSOLE_CONTEXT | SessionInfo.MANAGEMENT_CONSOLE_CONTEXT;
    }

}