eu.europa.esig.dss.xades.validation.XAdESOCSPSource Maven / Gradle / Ivy
/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* This library 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.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.dss.xades.validation;
import java.util.ArrayList;
import java.util.List;
import org.bouncycastle.cert.ocsp.BasicOCSPResp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import eu.europa.esig.dss.DSSRevocationUtils;
import eu.europa.esig.dss.DomUtils;
import eu.europa.esig.dss.x509.ocsp.OfflineOCSPSource;
import eu.europa.esig.dss.xades.XPathQueryHolder;
/**
* Retrieves OCSP values from an XAdES (>XL) signature.
*
*/
public class XAdESOCSPSource extends OfflineOCSPSource {
private static final Logger LOG = LoggerFactory.getLogger(XAdESOCSPSource.class);
private final Element signatureElement;
private final XPathQueryHolder xPathQueryHolder;
/**
* The default constructor for XAdESOCSPSource.
*
* @param signatureElement
* {@code Element} that contains an XML signature
* @param xPathQueryHolder
* adapted {@code XPathQueryHolder}
*/
public XAdESOCSPSource(final Element signatureElement, final XPathQueryHolder xPathQueryHolder) {
this.signatureElement = signatureElement;
this.xPathQueryHolder = xPathQueryHolder;
}
@Override
public List getContainedOCSPResponses() {
final List list = new ArrayList();
addOCSP(list, xPathQueryHolder.XPATH_OCSP_VALUES_ENCAPSULATED_OCSP);
addOCSP(list, xPathQueryHolder.XPATH_TSVD_ENCAPSULATED_OCSP_VALUE);
return list;
}
private void addOCSP(final List list, final String xPathQuery) {
final NodeList nodeList = DomUtils.getNodeList(signatureElement, xPathQuery);
for (int ii = 0; ii < nodeList.getLength(); ii++) {
final Element certEl = (Element) nodeList.item(ii);
try {
final BasicOCSPResp basicOCSPResp = DSSRevocationUtils.loadOCSPBase64Encoded(certEl.getTextContent());
list.add(basicOCSPResp);
} catch (Exception e) {
LOG.warn("Cannot retrieve OCSP response from '" + certEl.getTextContent() + "' : " + e.getMessage(), e);
}
}
}
}