be.fedict.eid.idp.model.applet.AuthenticationServiceBean.java Source code

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Here is the source code for be.fedict.eid.idp.model.applet.AuthenticationServiceBean.java

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/*
 * eID Identity Provider Project.
 * Copyright (C) 2010 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.eid.idp.model.applet;

import java.security.cert.X509Certificate;
import java.util.List;

import javax.ejb.EJB;
import javax.ejb.Local;
import javax.ejb.Stateless;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.ejb3.annotation.LocalBinding;

import be.fedict.eid.applet.service.spi.AuthenticationService;
import be.fedict.eid.applet.service.spi.CertificateSecurityException;
import be.fedict.eid.applet.service.spi.ExpiredCertificateSecurityException;
import be.fedict.eid.applet.service.spi.RevokedCertificateSecurityException;
import be.fedict.eid.applet.service.spi.TrustCertificateSecurityException;
import be.fedict.eid.idp.entity.RPEntity;
import be.fedict.eid.idp.model.ConfigProperty;
import be.fedict.eid.idp.model.Configuration;
import be.fedict.eid.idp.model.Constants;
import be.fedict.trust.client.XKMS2Client;
import be.fedict.trust.client.exception.ValidationFailedException;
import be.fedict.trust.xkms2.XKMSConstants;

/**
 * eID Applet Service Authentication Service implementation.
 * 
 * @author Frank Cornelis
 */
@Stateless
@Local(AuthenticationService.class)
@LocalBinding(jndiBinding = Constants.IDP_JNDI_CONTEXT + "AuthenticationServiceBean")
public class AuthenticationServiceBean implements AuthenticationService {

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

    @EJB
    private Configuration configuration;

    public void validateCertificateChain(List<X509Certificate> certificateChain) throws SecurityException {
        LOG.debug("validate certificate: " + certificateChain.get(0).getSubjectX500Principal());

        String xkmsUrl = this.configuration.getValue(ConfigProperty.XKMS_URL, String.class);
        if (null == xkmsUrl || xkmsUrl.trim().isEmpty()) {
            LOG.warn("no XKMS URL configured!");
            return;
        }

        RPEntity rp = AppletUtil.getSessionAttribute(Constants.RP_SESSION_ATTRIBUTE);
        String xkmsTrustDomain = null;
        if (null != rp) {
            xkmsTrustDomain = rp.getAuthnTrustDomain();
        }
        if (null == xkmsTrustDomain || xkmsTrustDomain.trim().isEmpty()) {
            xkmsTrustDomain = this.configuration.getValue(ConfigProperty.XKMS_AUTH_TRUST_DOMAIN, String.class);
        }
        if (null != xkmsTrustDomain) {
            if (xkmsTrustDomain.trim().isEmpty()) {
                xkmsTrustDomain = null;
            }
        }
        LOG.debug("Trust domain=" + xkmsTrustDomain);

        XKMS2Client xkms2Client = new XKMS2Client(xkmsUrl);

        Boolean useHttpProxy = this.configuration.getValue(ConfigProperty.HTTP_PROXY_ENABLED, Boolean.class);
        if (null != useHttpProxy && useHttpProxy) {
            String httpProxyHost = this.configuration.getValue(ConfigProperty.HTTP_PROXY_HOST, String.class);
            int httpProxyPort = this.configuration.getValue(ConfigProperty.HTTP_PROXY_PORT, Integer.class);
            LOG.debug("use proxy: " + httpProxyHost + ":" + httpProxyPort);
            xkms2Client.setProxy(httpProxyHost, httpProxyPort);
        } else {
            // disable previously set proxy
            xkms2Client.setProxy(null, 0);
        }

        try {
            LOG.debug("validating certificate chain");
            if (null != xkmsTrustDomain) {
                xkms2Client.validate(xkmsTrustDomain, certificateChain);
            } else {
                xkms2Client.validate(certificateChain);
            }
        } catch (ValidationFailedException e) {
            LOG.warn("invalid certificate: " + e.getMessage());

            for (String reason : e.getReasons()) {

                if (reason.equals(XKMSConstants.KEY_BINDING_REASON_VALIDITY_INTERVAL_URI)) {
                    throw new ExpiredCertificateSecurityException();
                } else if (reason.equals(XKMSConstants.KEY_BINDING_REASON_REVOCATION_STATUS_URI)) {
                    throw new RevokedCertificateSecurityException();
                } else if (reason.equals(XKMSConstants.KEY_BINDING_REASON_ISSUER_TRUST_URI)) {
                    throw new TrustCertificateSecurityException();
                } else {
                    throw new CertificateSecurityException();
                }
            }
            throw new SecurityException("invalid certificate");
        } catch (Exception e) {
            LOG.warn("eID Trust Service error: " + e.getMessage(), e);
            throw new SecurityException("eID Trust Service error");
        }
    }

    public void setHttpSessionObject(Object sessionObject) {

    }

}