/*
* 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.keyvalues.RSAKeyValue;
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;
public class RSAKeyValueResolver extends KeyResolverSpi {
/** {@link org.apache.commons.logging} logging facility */
private static java.util.logging.Logger log =
java.util.logging.Logger.getLogger(RSAKeyValueResolver.class.getName());
/** @inheritDoc */
public PublicKey engineLookupAndResolvePublicKey(
Element element, String BaseURI, StorageResolver storage
) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Can I resolve " + element.getTagName());
}
if (element == null) {
return null;
}
boolean isKeyValue = XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_KEYVALUE);
Element rsaKeyElement = null;
if (isKeyValue) {
rsaKeyElement =
XMLUtils.selectDsNode(element.getFirstChild(), Constants._TAG_RSAKEYVALUE, 0);
} else if (XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_RSAKEYVALUE)) {
// this trick is needed to allow the RetrievalMethodResolver to eat a
// ds:RSAKeyValue directly (without KeyValue)
rsaKeyElement = element;
}
if (rsaKeyElement == null) {
return null;
}
try {
RSAKeyValue rsaKeyValue = new RSAKeyValue(rsaKeyElement, BaseURI);
return rsaKeyValue.getPublicKey();
} catch (XMLSecurityException ex) {
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);
}
}
return null;
}
/** @inheritDoc */
public X509Certificate engineLookupResolveX509Certificate(
Element element, String BaseURI, StorageResolver storage
) {
return null;
}
/** @inheritDoc */
public javax.crypto.SecretKey engineLookupAndResolveSecretKey(
Element element, String BaseURI, StorageResolver storage
) {
return null;
}
}