be.fedict.hsm.ws.impl.JAASSOAPHandler.java Source code

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Here is the source code for be.fedict.hsm.ws.impl.JAASSOAPHandler.java

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/*
 * HSM Proxy Project.
 * Copyright (C) 2013 FedICT.
 *
 * 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.fedict.hsm.ws.impl;

import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import java.util.Set;

import javax.ejb.EJB;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import javax.xml.namespace.QName;
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 be.fedict.hsm.model.security.SecurityAuditGeneratorBean;
import be.fedict.hsm.model.security.SecurityFunction;

@SecurityFunction("SF.I&A.1")
public class JAASSOAPHandler implements SOAPHandler<SOAPMessageContext> {

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

    private static final String LOGIN_CONTEXT_ATTRIBUTE = JAASSOAPHandler.class.getName() + ".loginContext";

    @EJB
    private SecurityAuditGeneratorBean securityAuditGeneratorBean;

    @Override
    public boolean handleMessage(SOAPMessageContext context) {
        Boolean outboundProperty = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if (false == outboundProperty) {
            try {
                login(context);
            } catch (Exception e) {
                this.securityAuditGeneratorBean.webServiceAuthenticationError();
                throw new ProtocolException("JAAS login error: " + e.getMessage(), e);
            }
        } else {
            try {
                logout(context);
            } catch (LoginException e) {
                this.securityAuditGeneratorBean.webServiceAuthenticationError();
                throw new ProtocolException("JAAS logout error: " + e.getMessage(), e);
            }
        }
        return true;
    }

    private void logout(SOAPMessageContext context) throws LoginException {
        LoginContext loginContext = (LoginContext) context.remove(LOGIN_CONTEXT_ATTRIBUTE);
        if (null == loginContext) {
            return;
        }
        loginContext.logout();
    }

    private void login(SOAPMessageContext context) throws LoginException, CertificateEncodingException {
        X509Certificate certificate = WSSecuritySOAPHandler.getAuthenticatedCertificate(context);
        byte[] encodedCertificate = certificate.getEncoded();
        NamePasswordCallbackHandler usernamePasswordHandler = new NamePasswordCallbackHandler(encodedCertificate);
        LoginContext loginContext = new LoginContext(ApplicationClientSecurityDomain.NAME, usernamePasswordHandler);
        context.put(LOGIN_CONTEXT_ATTRIBUTE, loginContext);
        loginContext.login();
    }

    @Override
    public boolean handleFault(SOAPMessageContext context) {
        Boolean outboundProperty = (Boolean) context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
        if (outboundProperty) {
            try {
                logout(context);
            } catch (LoginException e) {
                this.securityAuditGeneratorBean.webServiceAuthenticationError();
                throw new ProtocolException("JAAS logout error: " + e.getMessage(), e);
            }
        }
        return true;
    }

    @Override
    public void close(MessageContext context) {
        LOG.debug("close");
    }

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