mitm.common.security.cms.AbstractCMSSignedDataAdapterImpl.java Source code

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Here is the source code for mitm.common.security.cms.AbstractCMSSignedDataAdapterImpl.java

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/*
 * Copyright (c) 2012, Martijn Brinkers, Djigzo.
 * 
 * This file is part of Djigzo email encryption.
 *
 * Djigzo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License 
 * version 3, 19 November 2007 as published by the Free Software 
 * Foundation.
 *
 * Djigzo 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public 
 * License along with Djigzo. If not, see <http://www.gnu.org/licenses/>
 *
 * Additional permission under GNU AGPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or 
 * combining it with aspectjrt.jar, aspectjweaver.jar, tyrex-1.0.3.jar, 
 * freemarker.jar, dom4j.jar, mx4j-jmx.jar, mx4j-tools.jar, 
 * spice-classman-1.0.jar, spice-loggerstore-0.5.jar, spice-salt-0.8.jar, 
 * spice-xmlpolicy-1.0.jar, saaj-api-1.3.jar, saaj-impl-1.3.jar, 
 * wsdl4j-1.6.1.jar (or modified versions of these libraries), 
 * containing parts covered by the terms of Eclipse Public License, 
 * tyrex license, freemarker license, dom4j license, mx4j license,
 * Spice Software License, Common Development and Distribution License
 * (CDDL), Common Public License (CPL) the licensors of this Program grant 
 * you additional permission to convey the resulting work.
 */
package mitm.common.security.cms;

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.cert.CRLException;
import java.security.cert.CertificateException;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import org.bouncycastle.cert.X509CRLHolder;
import org.bouncycastle.cert.X509CertificateHolder;
import org.bouncycastle.cert.jcajce.JcaX509CRLConverter;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.cms.CMSException;
import org.bouncycastle.util.Store;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Base class for CMSSignedDataAdapter implementations
 * 
 * @author Martijn Brinkers
 *
 */
public abstract class AbstractCMSSignedDataAdapterImpl implements CMSSignedDataAdapter {
    private final static Logger logger = LoggerFactory.getLogger(AbstractCMSSignedDataAdapterImpl.class);

    /**
     * Should return the store with the certificates
     */
    protected abstract Store getCertificateStore() throws CMSException;

    /**
     * Should return the store with the CRLs
     */
    protected abstract Store getCRLStore() throws CMSException;

    @Override
    public List<X509Certificate> getCertificates(String provider)
            throws NoSuchAlgorithmException, NoSuchProviderException, CMSException {
        List<X509Certificate> certificates = new LinkedList<X509Certificate>();

        Store store = getCertificateStore();

        if (store != null) {
            Collection<?> holders = store.getMatches(null);

            JcaX509CertificateConverter converter = new JcaX509CertificateConverter();

            converter.setProvider(provider);

            for (Object holder : holders) {
                if (holder instanceof X509CertificateHolder) {
                    try {
                        certificates.add(converter.getCertificate((X509CertificateHolder) holder));
                    } catch (CertificateException e) {
                        if (logger.isDebugEnabled()) {
                            logger.warn("Certificate is not valid.", e);
                        } else {
                            logger.warn("Certificate is not valid.");
                        }
                    }
                } else {
                    logger.warn("object not an X509CertificateHolder");
                }
            }
        }

        return certificates;
    }

    @Override
    public List<X509CRL> getCRLs(String provider)
            throws NoSuchAlgorithmException, NoSuchProviderException, CMSException {
        List<X509CRL> crls = new LinkedList<X509CRL>();

        Store store = getCRLStore();

        if (store != null) {
            Collection<?> holders = store.getMatches(null);

            JcaX509CRLConverter converter = new JcaX509CRLConverter();

            converter.setProvider(provider);

            for (Object holder : holders) {
                if (holder instanceof X509CRLHolder) {
                    try {
                        crls.add(converter.getCRL((X509CRLHolder) holder));
                    } catch (CRLException e) {
                        if (logger.isDebugEnabled()) {
                            logger.warn("CRL is not valid.", e);
                        } else {
                            logger.warn("CRL is not valid.");
                        }
                    }
                } else {
                    logger.warn("object not an X509CRLHolder");
                }
            }
        }

        return crls;
    }
}