/**
* 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 org.apache.cxf.xkms.x509.utils;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.List;
import java.util.UUID;
import java.util.logging.Logger;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.xkms.model.xkms.LocateRequestType;
import org.apache.cxf.xkms.model.xkms.LocateResultType;
import org.apache.cxf.xkms.model.xkms.UnverifiedKeyBindingType;
import org.apache.cxf.xkms.model.xmldsig.KeyInfoType;
import org.apache.cxf.xkms.model.xmldsig.ObjectFactory;
import org.apache.cxf.xkms.model.xmldsig.X509DataType;
public final class X509Utils {
public static final QName X509_DATA = new QName("http://www.w3.org/2000/09/xmldsig#", "X509Data");
public static final QName X509_KEY_NAME = new QName("http://www.w3.org/2000/09/xmldsig#", "KeyName");
public static final QName X509_ISSUER_SERIAL = new QName("http://www.w3.org/2000/09/xmldsig#", "X509IssuerSerial");
public static final QName X509_SUBJECT_NAME = new QName("http://www.w3.org/2000/09/xmldsig#", "X509SubjectName");
public static final QName X509_CERTIFICATE = new QName("http://www.w3.org/2000/09/xmldsig#", "X509Certificate");
private static final Logger LOG = LogUtils.getL7dLogger(X509Utils.class);
private static final CertificateFactory X509_FACTORY;
static {
try {
X509_FACTORY = CertificateFactory.getInstance("X.509");
} catch (CertificateException e) {
throw new IllegalStateException("Cannot initialize X509 CertificateFactory: " + e.getMessage(), e);
}
}
private X509Utils() {
}
public static void parseX509Data(X509DataType x509Data, List<X509Certificate> certs) throws CertificateException {
List<Object> dataList = x509Data.getX509IssuerSerialOrX509SKIOrX509SubjectName();
for (Object x509Object : dataList) {
if (x509Object instanceof JAXBElement<?>) {
JAXBElement<?> x509Item = (JAXBElement<?>) x509Object;
X509Certificate certificate = parseX509Item(x509Item);
if (null != certificate) {
certs.add(certificate);
}
}
}
}
private static X509Certificate parseX509Item(JAXBElement<?> x509Item) throws CertificateException {
QName x509ItemName = x509Item.getName();
if (X509_CERTIFICATE.equals(x509ItemName)) {
X509Certificate certificate;
certificate = extractCertificate(x509Item);
LOG.fine("Extracted " + certificate.getSubjectX500Principal().getName());
return certificate;
}
return null;
}
private static X509Certificate extractCertificate(JAXBElement<?> x509Item) throws CertificateException {
@SuppressWarnings("unchecked")
JAXBElement<byte[]> byteElement = (JAXBElement<byte[]>) x509Item;
byte[] bytes = byteElement.getValue();
InputStream stream = new ByteArrayInputStream(bytes);
Certificate certificate = X509_FACTORY.generateCertificate(stream);
if (certificate instanceof X509Certificate) {
return (X509Certificate) certificate;
} else {
throw new CertificateException("Unsupported certificate type encountered: "
+ certificate.getClass().getName());
}
}
public static UnverifiedKeyBindingType getUnverifiedKeyBinding(X509Certificate cert)
throws CertificateEncodingException {
UnverifiedKeyBindingType unverifiedKeyBinding = new UnverifiedKeyBindingType();
unverifiedKeyBinding.setKeyInfo(getKeyInfo(cert));
return unverifiedKeyBinding;
}
public static KeyInfoType getKeyInfo(X509Certificate cert) throws CertificateEncodingException {
KeyInfoType keyInfo = new KeyInfoType();
JAXBElement<byte[]> certificate = new ObjectFactory().createX509DataTypeX509Certificate(cert.getEncoded());
X509DataType x509DataType = new X509DataType();
List<Object> x509DataContent = x509DataType.getX509IssuerSerialOrX509SKIOrX509SubjectName();
x509DataContent.add(certificate);
JAXBElement<X509DataType> x509Data = new ObjectFactory().createX509Data(x509DataType);
List<Object> keyInfoContent = keyInfo.getContent();
keyInfoContent.add(x509Data);
return keyInfo;
}
LocateResultType createResponse(LocateRequestType request) {
LocateResultType ret = new LocateResultType();
ret.setId(UUID.randomUUID().toString());
ret.setRequestId(request.getId());
ret.setService("http://services.sopera.org/xkms/v2.0");
return ret;
}
public static void assertElementNotNull(Object element, Class<?> elementClass) {
if (element == null) {
throw new IllegalArgumentException(elementClass.getName() + " must be set");
}
}
}