/**
* 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.xml.security.samples.signature.contract;
import java.io.File;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import org.apache.xml.security.signature.XMLSignature;
import org.apache.xml.security.samples.DSNamespaceContext;
import org.apache.xml.security.samples.SampleUtils;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
*
* @author Rene Kollmorgen <Rene.Kollmorgen@softwareag.com>
*/
public class ThreeSignerContractVerify {
static {
org.apache.xml.security.Init.init();
}
/**
* Method main
*
* @param unused
* @throws Exception
*/
public static void main(String unused[]) throws Exception {
javax.xml.parsers.DocumentBuilderFactory dbf =
javax.xml.parsers.DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
dbf.setAttribute("http://xml.org/sax/features/namespaces", Boolean.TRUE);
try {
//File signatureFile = new File("collectableSignature.xml");
File signatureFile = new File("build/threeSignerContract.xml");
String BaseURI = signatureFile.toURI().toURL().toString();
System.out.println("Try to verify "
+ signatureFile.toURI().toURL().toString());
javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder();
db.setErrorHandler(new org.apache.xml.security.utils.IgnoreAllErrorHandler());
org.w3c.dom.Document doc =
db.parse(new java.io.FileInputStream(signatureFile));
XPathFactory xpf = XPathFactory.newInstance();
XPath xpath = xpf.newXPath();
xpath.setNamespaceContext(new DSNamespaceContext());
String expression = "//ds:Signature[1]";
NodeList signatureElems =
(NodeList) xpath.evaluate(expression, doc, XPathConstants.NODESET);
for (int i = 0; i < signatureElems.getLength(); i++) {
Element sigElement = (Element) signatureElems.item(i);
XMLSignature signature = new XMLSignature(sigElement, BaseURI);
//byte[] secretKey = "secretValue".getBytes();
Element keyName =
(Element) sigElement.getElementsByTagNameNS(
Constants.SignatureSpecNS, "KeyName").item(0);
String keyValue = keyName.getFirstChild().getNodeValue();
System.out.println("The signature number " + (i + 1) + " is "
+ (signature.checkSignatureValue(
signature.createSecretKey(
keyValue.getBytes()))
? "valid (good)" : "invalid !!!!! (bad)"));
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}