| |
| /* |
| * Copyright 1999-2004 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.samples.canonicalization; |
| |
| |
| |
| import java.io.ByteArrayInputStream; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| |
| import org.apache.xml.security.c14n.Canonicalizer; |
| import org.apache.xml.security.utils.Constants; |
| import org.apache.xml.security.utils.XMLUtils; |
| import org.apache.xpath.XPathAPI; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * |
| * @author Christian Geuer-Pollmann |
| */ |
| public class CanonSubTree { |
| //J- |
| static String input = "" |
| + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" |
| + "<Signature xmlns=\"http://www.w3.org/2000/09/xmldsig#\">\n" |
| + " <SignedInfo><!-- comment inside -->\n" |
| + " <CanonicalizationMethod Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315\" />\n" |
| + " <SignatureMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#rsa-sha1\" />\n" |
| + " <Reference URI=\"http://www.w3.org/TR/xml-stylesheet\">\n" |
| + " <DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" />\n" |
| + " <DigestValue>60NvZvtdTB+7UnlLp/H24p7h4bs=</DigestValue>\n" |
| + " </Reference>\n" |
| + " </SignedInfo>\n" |
| + " <SignatureValue>\n" |
| + " fKMmy9GYF2s8rLFrZdVugTOFuWx19ccX7jh5HqFd4vMOY7LWAj52ykjSdvtW3fNY\n" |
| + " PPYGC4MFL19oPSId5GEsMtFMpGXB3XaCtoKjMCHQsN3+kom8YnGf7Ge1JNRcGty5\n" |
| + " 0UsoP6Asj47+QR7QECT64uoziha4WRDVyXjDrg24W+U=\n" |
| + " </SignatureValue>\n" |
| + " <KeyInfo>\n" |
| + " <KeyName>Lugh</KeyName>\n" |
| + " </KeyInfo>\n" |
| + "</Signature>\n" |
| ; |
| //J+ |
| |
| /** |
| * Method main |
| * |
| * @param args |
| * @throws Exception |
| */ |
| public static void main(String args[]) throws Exception { |
| org.apache.xml.security.Init.init(); |
| |
| DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance(); |
| |
| dfactory.setNamespaceAware(true); |
| dfactory.setValidating(true); |
| |
| DocumentBuilder documentBuilder = dfactory.newDocumentBuilder(); |
| |
| // this is to throw away all validation warnings |
| documentBuilder |
| .setErrorHandler(new org.apache.xml.security.utils |
| .IgnoreAllErrorHandler()); |
| |
| byte inputBytes[] = input.getBytes(); |
| Document doc = |
| documentBuilder.parse(new ByteArrayInputStream(inputBytes)); |
| Canonicalizer c14n = |
| Canonicalizer |
| .getInstance("http://www.w3.org/TR/2001/REC-xml-c14n-20010315"); |
| Element nscontext = XMLUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS); |
| |
| Node signedInfo = XPathAPI.selectSingleNode(doc, "//ds:SignedInfo", |
| nscontext); |
| byte outputBytes[] = c14n.canonicalizeSubtree(signedInfo); |
| |
| if (outputBytes != null) { |
| System.out.println(new String(outputBytes)); |
| } |
| } |
| } |