/**
* 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.camel.component.xmlsecurity.util;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Collections;
import javax.xml.crypto.dom.DOMStructure;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import javax.xml.crypto.dsig.Reference;
import javax.xml.crypto.dsig.SignatureProperties;
import javax.xml.crypto.dsig.SignatureProperty;
import javax.xml.crypto.dsig.Transform;
import javax.xml.crypto.dsig.XMLObject;
import javax.xml.crypto.dsig.spec.TransformParameterSpec;
import org.w3c.dom.Document;
import org.apache.camel.component.xmlsecurity.api.XmlSignatureHelper;
import org.apache.camel.component.xmlsecurity.api.XmlSignatureProperties;
/**
* Example for a XmlSignatureProperties implementation which adds a timestamp
* signature property.
*/
public class TimestampProperty implements XmlSignatureProperties {
@Override
public Output get(Input input) throws Exception {
Transform transform = input.getSignatureFactory().newTransform(CanonicalizationMethod.INCLUSIVE, (TransformParameterSpec) null);
Reference ref = input.getSignatureFactory().newReference("#propertiesObject",
input.getSignatureFactory().newDigestMethod(input.getContentDigestAlgorithm(), null), Collections.singletonList(transform),
null, null);
String doc2 = "<ts:timestamp xmlns:ts=\"http:/timestamp\">" + System.currentTimeMillis() + "</ts:timestamp>";
InputStream is = new ByteArrayInputStream(doc2.getBytes("UTF-8"));
Document doc = XmlSignatureHelper.newDocumentBuilder(Boolean.TRUE).parse(is);
DOMStructure structure = new DOMStructure(doc.getDocumentElement());
SignatureProperty prop = input.getSignatureFactory().newSignatureProperty(Collections.singletonList(structure),
input.getSignatureId(), "property");
SignatureProperties properties = input.getSignatureFactory().newSignatureProperties(Collections.singletonList(prop), "properties");
XMLObject propertiesObject = input.getSignatureFactory().newXMLObject(Collections.singletonList(properties), "propertiesObject",
null, null);
XmlSignatureProperties.Output result = new Output();
result.setReferences(Collections.singletonList(ref));
result.setObjects(Collections.singletonList(propertiesObject));
return result;
}
}