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/*
* Copyright 1999-2009 The Apache Software Foundation.
*
* Licensed 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.test.signature;
import java.io.File;
import java.io.FileInputStream;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Iterator;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.xml.security.signature.XMLSignature;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.xml.security.utils.resolver.ResourceResolverException;
import org.apache.xml.security.utils.resolver.ResourceResolverSpi;
import org.apache.xml.utils.URI;
/**
* A test-case for Bugzilla bug 45744 - "XPath transform and xml-stylesheet".
*/
public class ProcessingInstructionTest extends TestCase {
static {
org.apache.xml.security.Init.init();
}
public static Test suite() {
return new TestSuite(ProcessingInstructionTest.class);
}
public void testProcessingInstruction() throws Exception {
String signatureFileName = "data/org/apache/xml/security/testcases/upp_sign.xml";
DocumentBuilderFactory dbf =
DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
DocumentBuilder db = dbf.newDocumentBuilder();
File f = new File(signatureFileName);
Document doc = db.parse(new java.io.FileInputStream(f));
XPathFactory xpf = XPathFactory.newInstance();
XPath xpath = xpf.newXPath();
xpath.setNamespaceContext(new NamespaceContext() {
public String getNamespaceURI(String arg0) {
if (!arg0.equals("ds"))
throw new RuntimeException();
return "http://www.w3.org/2000/09/xmldsig#";
}
public String getPrefix(String arg0) {
return "ds";
}
public Iterator getPrefixes(String arg0) {
List al = new ArrayList();
al.add("ds");
return al.iterator();
}
});
String expression = "//ds:Signature[1]";
Element sigElement =
(Element) xpath.evaluate(expression, doc, XPathConstants.NODE);
String baseUri = new File(".").toURL().toString();
XMLSignature signature = new XMLSignature(sigElement, baseUri);
signature.addResourceResolver(FileResolver.getInstance());
X509Certificate cert = signature.getKeyInfo().getX509Certificate();
if (!signature.checkSignatureValue(cert)) {
throw new Exception("Signature is invalid!");
}
}
/**
* This class resolves "out.xml" on the local filesystem.
*/
private static class FileResolver extends ResourceResolverSpi {
private static FileResolver resolver = null;
public synchronized static ResourceResolverSpi getInstance() {
if (resolver == null) {
resolver = new FileResolver();
}
return resolver;
}
private FileResolver() {
}
public XMLSignatureInput engineResolve(Attr uri, String baseURI)
throws ResourceResolverException {
try {
URI uriNew = new URI(uri.getNodeValue(), baseURI);
FileInputStream inputStream =
new FileInputStream("data/org/apache/xml/security/testcases/out.xml");
XMLSignatureInput result = new XMLSignatureInput(inputStream);
result.setSourceURI(uriNew.toString());
return result;
} catch (Exception ex) {
throw new ResourceResolverException(
"generic.EmptyMessage", ex, uri, baseURI
);
}
}
public boolean engineCanResolve(Attr uri, String BaseURI) {
if (uri == null || !"out.xml".equals(uri.getNodeValue())) {
return false;
}
return true;
}
}
}
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