eu.europa.ec.markt.dss.validation.cades.CAdESOCSPSource.java Source code

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Here is the source code for eu.europa.ec.markt.dss.validation.cades.CAdESOCSPSource.java

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/*
 * DSS - Digital Signature Services
 *
 * Copyright (C) 2011 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel
 *
 * Developed by: 2011 ARHS Developments S.A. (rue Nicolas Bov 2B, L-1253 Luxembourg) http://www.arhs-developments.com
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * "DSS - Digital Signature Services" is free software: you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * DSS 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
 * "DSS - Digital Signature Services".  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.europa.ec.markt.dss.validation.cades;

import eu.europa.ec.markt.dss.validation.ades.SignatureOCSPSource;

import java.util.ArrayList;
import java.util.List;

import org.bouncycastle.asn1.esf.RevocationValues;
import org.bouncycastle.asn1.ocsp.BasicOCSPResponse;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.cms.CMSException;
import org.bouncycastle.cms.CMSSignedData;
import org.bouncycastle.cms.SignerId;
import org.bouncycastle.cms.SignerInformation;
import org.bouncycastle.ocsp.BasicOCSPResp;

/**
 * 
 * OCSPSource that retrieve information from a CAdESSignature.
 * 
 *
 * @version $Revision: 1867 $ - $Date: 2013-04-08 13:44:56 +0200 (Mon, 08 Apr 2013) $
 */

public class CAdESOCSPSource extends SignatureOCSPSource {

    private CMSSignedData cmsSignedData;
    private SignerId signerId;

    /**
     * 
     * The default constructor for CAdESOCSPSource.
     * 
     * @param encodedCMS
     * @throws CMSException
     */
    public CAdESOCSPSource(byte[] encodedCMS) throws CMSException {
        this(new CMSSignedData(encodedCMS));
    }

    /**
     * 
     * The default constructor for CAdESOCSPSource.
     * 
     * @param encodedCMS
     * @throws CMSException
     */
    public CAdESOCSPSource(CMSSignedData cms) {
        this(cms, ((SignerInformation) cms.getSignerInfos().getSigners().iterator().next()).getSID());
    }

    /**
     * 
     * The default constructor for CAdESOCSPSource.
     * 
     * @param encodedCMS
     * @throws CMSException
     */
    public CAdESOCSPSource(CMSSignedData cms, SignerId id) {
        this.cmsSignedData = cms;
        this.signerId = id;
    }

    @Override
    public List<BasicOCSPResp> getOCSPResponsesFromSignature() {
        List<BasicOCSPResp> list = new ArrayList<BasicOCSPResp>();

        // Add certificates in CAdES-XL certificate-values inside SignerInfo attribute if present
        SignerInformation si = cmsSignedData.getSignerInfos().get(signerId);
        if (si != null && si.getUnsignedAttributes() != null
                && si.getUnsignedAttributes().get(PKCSObjectIdentifiers.id_aa_ets_revocationValues) != null) {

            RevocationValues revValues = RevocationValues.getInstance(si.getUnsignedAttributes()
                    .get(PKCSObjectIdentifiers.id_aa_ets_revocationValues).getAttrValues().getObjectAt(0));

            for (BasicOCSPResponse ocspObj : revValues.getOcspVals()) {
                BasicOCSPResp bOcspObj = new BasicOCSPResp(ocspObj);
                ;
                list.add(bOcspObj);
            }
        }

        return list;
    }

}