keystore.java

一个工作流设计及定义的系统,可以直接与数据库结合进行系统工作流程的定义及应用.

/*
 * Copyright (c) 2005, John Mettraux, OpenWFE.org
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.  
 * 
 * . Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * 
 * . Neither the name of the "OpenWFE" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: KeyStore.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $
 */

//
// KeyStore.java
//
// [e-mail]
//
// generated with 
// jtmpl 1.0.04 31.10.2002 John Mettraux ([e-mail])
//

package openwfe.org.crypto;

/**
 * An xml keystore mainly devised for participant's private keys.
 * It is used by WorkListLoginModule implementations.
 *
 * Don't forget to protect the keyStoreFile with appropriate read permissions !
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Date: 2005/05/17 16:40:14 $
 * <br>$Id: KeyStore.java,v 1.5 2005/05/17 16:40:14 jmettraux Exp $ </font>
 *
 * @author [e-mail]
 */
public class KeyStore
{

    private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
        .getLogger(KeyStore.class.getName());

    //
    // FIELDS

    private java.util.Map keys = new java.util.HashMap();

    //
    // CONSTRUCTORS

    public KeyStore (String fileName)
    {
        org.jdom.input.SAXBuilder builder = new org.jdom.input.SAXBuilder();

        org.jdom.Document doc = null;
        try
        {
            doc = builder.build(fileName);
        }
        catch (Exception e)
        {
            log.warn("Failed to load keyStore file", e);
            return;
        }

        java.util.Iterator it = 
            doc.getRootElement().getChildren("participant").iterator();
        while (it.hasNext())
        {
            org.jdom.Element elt = (org.jdom.Element)it.next();

            String participantName = elt.getAttributeValue("name");

            RsaKey key = RsaKey.buildKey(elt.getChild("private-key"));
            if (key == null) key = RsaKey.buildKey(elt.getChild("public-key"));

            if (key != null)
                this.keys.put(participantName, key);
        }
    }

    //
    // METHODS

    public RsaKey getKey (String participantName)
    {
        return (RsaKey)this.keys.get(participantName);
    }

}