be.e_contract.mycarenet.async.SecuritySOAPHandler.java Source code

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Here is the source code for be.e_contract.mycarenet.async.SecuritySOAPHandler.java

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/*
 * Java MyCareNet Project.
 * Copyright (C) 2012 e-Contract.be BVBA.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.e_contract.mycarenet.async;

import java.util.List;
import java.util.Set;
import java.util.Vector;

import javax.xml.crypto.dsig.Reference;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import javax.xml.soap.SOAPPart;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.handler.soap.SOAPHandler;
import javax.xml.ws.handler.soap.SOAPMessageContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ws.security.SOAPConstants;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSEncryptionPart;
import org.apache.ws.security.WSSConfig;
import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.message.WSSecHeader;
import org.apache.ws.security.message.WSSecSignature;
import org.apache.ws.security.message.WSSecTimestamp;
import org.apache.ws.security.message.WSSecUsernameToken;
import org.apache.ws.security.util.WSSecurityUtil;

import be.e_contract.mycarenet.common.SessionKey;
import be.e_contract.mycarenet.common.WSSecurityCrypto;

/**
 * MyCareNet Asynchronous web service WS-Security implementation. The
 * implementation is based on WSS4J.
 * 
 * @author Frank Cornelis
 * 
 */
public class SecuritySOAPHandler implements SOAPHandler<SOAPMessageContext> {

    private static final Log LOG = LogFactory.getLog(SecuritySOAPHandler.class);

    private final SessionKey sessionKey;

    private final PackageLicenseKey packageLicenseKey;

    /**
     * Main constructor.
     * 
     * @param sessionKey
     *            the registered MyCareNet session key.
     * @param packageLicenseKey
     *            the MyCareNet package license key.
     */
    public SecuritySOAPHandler(SessionKey sessionKey, PackageLicenseKey packageLicenseKey) {
        this.sessionKey = sessionKey;
        this.packageLicenseKey = packageLicenseKey;
    }

    @Override
    public boolean handleMessage(SOAPMessageContext context) {
        Boolean outboundProperty = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if (false == outboundProperty) {
            return true;
        }
        try {
            handleOutboundMessage(context);
        } catch (Exception e) {
            LOG.error("outbound exception: " + e.getMessage(), e);
            throw new ProtocolException(e);
        }
        return true;
    }

    private void handleOutboundMessage(SOAPMessageContext context) throws SOAPException, WSSecurityException {
        LOG.debug("adding WS-Security header");
        SOAPMessage soapMessage = context.getMessage();
        SOAPPart soapPart = soapMessage.getSOAPPart();

        WSSecHeader wsSecHeader = new WSSecHeader();
        wsSecHeader.insertSecurityHeader(soapPart);

        WSSecUsernameToken usernameToken = new WSSecUsernameToken();
        usernameToken.setUserInfo(this.packageLicenseKey.getUsername(), this.packageLicenseKey.getPassword());
        usernameToken.setPasswordType(WSConstants.PASSWORD_TEXT);
        usernameToken.prepare(soapPart);
        usernameToken.prependToHeader(wsSecHeader);

        WSSecTimestamp wsSecTimeStamp = new WSSecTimestamp();
        wsSecTimeStamp.build(soapPart, wsSecHeader);

        WSSecurityCrypto crypto = new WSSecurityCrypto(this.sessionKey);
        WSSConfig wssConfig = new WSSConfig();
        wssConfig.setWsiBSPCompliant(false);
        WSSecSignature sign = new WSSecSignature(wssConfig);
        sign.setKeyIdentifierType(WSConstants.BST_DIRECT_REFERENCE);
        sign.prepare(soapPart, crypto, wsSecHeader);
        sign.appendBSTElementToHeader(wsSecHeader);
        Vector<WSEncryptionPart> signParts = new Vector<WSEncryptionPart>();
        signParts.add(new WSEncryptionPart(wsSecTimeStamp.getId()));
        signParts.add(new WSEncryptionPart(usernameToken.getId()));
        SOAPConstants soapConstants = WSSecurityUtil.getSOAPConstants(soapPart.getDocumentElement());
        signParts.add(new WSEncryptionPart(soapConstants.getBodyQName().getLocalPart(),
                soapConstants.getEnvelopeURI(), "Content"));
        sign.addReferencesToSign(signParts, wsSecHeader);
        List<Reference> referenceList = sign.addReferencesToSign(signParts, wsSecHeader);
        sign.computeSignature(referenceList, false, null);
    }

    @Override
    public boolean handleFault(SOAPMessageContext context) {
        return true;
    }

    @Override
    public void close(MessageContext context) {
    }

    @Override
    public Set<QName> getHeaders() {
        return null;
    }
}