/*
* Copyright (c) 2007-2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.sun.org.apache.xml.internal.security.keys.keyresolver.implementations;
import java.security.PublicKey;
import java.security.cert.X509Certificate;
import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509Certificate;
import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverException;
import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverSpi;
import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver;
import com.sun.org.apache.xml.internal.security.utils.Constants;
import com.sun.org.apache.xml.internal.security.utils.XMLUtils;
import org.w3c.dom.Element;
/**
* Resolves Certificates which are directly contained inside a
* <CODE>ds:X509Certificate</CODE> Element.
*
* @author $Author: coheigea $
*/
public class X509CertificateResolver extends KeyResolverSpi {
/** {@link org.apache.commons.logging} logging facility */
private static java.util.logging.Logger log =
java.util.logging.Logger.getLogger(X509CertificateResolver.class.getName());
/**
* Method engineResolvePublicKey
* @inheritDoc
* @param element
* @param BaseURI
* @param storage
*
* @throws KeyResolverException
*/
public PublicKey engineLookupAndResolvePublicKey(
Element element, String BaseURI, StorageResolver storage
) throws KeyResolverException {
X509Certificate cert =
this.engineLookupResolveX509Certificate(element, BaseURI, storage);
if (cert != null) {
return cert.getPublicKey();
}
return null;
}
/**
* Method engineResolveX509Certificate
* @inheritDoc
* @param element
* @param BaseURI
* @param storage
*
* @throws KeyResolverException
*/
public X509Certificate engineLookupResolveX509Certificate(
Element element, String BaseURI, StorageResolver storage
) throws KeyResolverException {
try {
Element[] els =
XMLUtils.selectDsNodes(element.getFirstChild(), Constants._TAG_X509CERTIFICATE);
if ((els == null) || (els.length == 0)) {
Element el =
XMLUtils.selectDsNode(element.getFirstChild(), Constants._TAG_X509DATA, 0);
if (el != null) {
return engineLookupResolveX509Certificate(el, BaseURI, storage);
}
return null;
}
// populate Object array
for (int i = 0; i < els.length; i++) {
XMLX509Certificate xmlCert = new XMLX509Certificate(els[i], BaseURI);
X509Certificate cert = xmlCert.getX509Certificate();
if (cert != null) {
return cert;
}
}
return null;
} catch (XMLSecurityException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);
}
throw new KeyResolverException("generic.EmptyMessage", ex);
}
}
/**
* Method engineResolveSecretKey
* @inheritDoc
* @param element
* @param BaseURI
* @param storage
*/
public javax.crypto.SecretKey engineLookupAndResolveSecretKey(
Element element, String BaseURI, StorageResolver storage
) {
return null;
}
}