| /** |
| * 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.transforms; |
| |
| import javax.xml.xpath.XPath; |
| import javax.xml.xpath.XPathConstants; |
| import javax.xml.xpath.XPathFactory; |
| |
| import org.apache.xml.security.signature.XMLSignatureInput; |
| import org.apache.xml.security.samples.DSNamespaceContext; |
| import org.apache.xml.security.samples.SampleUtils; |
| import org.apache.xml.security.transforms.Transforms; |
| import org.apache.xml.security.utils.Constants; |
| import org.apache.xml.security.utils.XMLUtils; |
| import org.w3c.dom.Element; |
| |
| /** |
| * This class demonstrates the use of a Transform for XSLT. The |
| * <CODE>xsl:stylesheet</CODE> is directly embedded in the <CODE>ds:Transform</CODE>, |
| * so the {@link Transform} object is created by using the Element. |
| * |
| * @author Christian Geuer-Pollmann |
| * @version %I%, %G% |
| */ |
| public class SampleTransformChaining { |
| |
| /** |
| * Method main |
| * |
| * @param args |
| * @throws Exception |
| */ |
| public static void main(String args[]) throws Exception { |
| String inputStr = |
| "<?xml version=\"1.0\"?>" + "\n" |
| + "<Class>" + "\n" |
| + " <BASE64>" + "\n" |
| + " PGNvbnRhaW5lcj4KICAgPGU+SGVsbG8sIDwhLS0gY29tbWVudCAtLT4gd29ybGQhPC9lPgogICA8" + "\n" |
| + " T3JkZXIgTmFtZT0nVElOQU1JRk9STUVTJyB4bWxucz0naHR0cDovL3NmZGZnLyc+CiAgICAgIDxG" + "\n" |
| + " YW1pbHkgTmFtZT0nVElOQU1JREFFJz4KICAgICAgICAgPFNwZWNpZXMgU2NpZW50aWZpY19OYW1l" + "\n" |
| + " PSdDcnlwdHVyZWxsdXMgYm91Y2FyZGknPlNsYXR5LWJyZWFzdGVkIFRpbmFtb3UuPC9TcGVjaWVz" + "\n" |
| + " PgogICAgICA8L0ZhbWlseT4KICAgPC9PcmRlcj4KICAgPE9yZGVyIE5hbWU9J1BPRElDSVBFRElG" + "\n" |
| + " T1JNRVMnLz4KPC9jb250YWluZXI+Cg==" + "\n" |
| + " </BASE64>" + "\n" |
| + "<Signature Id='SignatureToBeOmitted' xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <SignedInfo>" + "\n" |
| + " <Reference URI=''>" + "\n" |
| + " <Transforms>" + "\n" |
| + " <Transform Algorithm='http://www.w3.org/TR/1999/REC-xpath-19991116'>\n" |
| + " <!-- Exclude all signatures -->\n" |
| + " <ds:XPath xmlns:ds='http://www.w3.org/2000/09/xmldsig#'>\n" |
| + " ancestor::BASE64" |
| + " </ds:XPath>\n" |
| + " </Transform>\n" |
| + " <Transform Algorithm='http://www.w3.org/2000/09/xmldsig#base64' />\n" |
| + " <Transform Algorithm='http://www.w3.org/TR/1999/REC-xpath-19991116'>\n" |
| + " <ds:XPath xmlns:ds='http://www.w3.org/2000/09/xmldsig#'>\n" |
| + " not(self::container) " |
| + " </ds:XPath>\n" |
| + " </Transform>\n" |
| + " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315' />\n" |
| + " </Transforms>" + "\n" |
| + " </Reference>" + "\n" |
| + " </SignedInfo>" + "\n" |
| + " </Signature>" |
| + "</Class>" + "\n" |
| ; |
| |
| org.apache.xml.security.Init.init(); |
| javax.xml.parsers.DocumentBuilderFactory dbf = |
| javax.xml.parsers.DocumentBuilderFactory.newInstance(); |
| |
| dbf.setNamespaceAware(true); |
| |
| javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder(); |
| org.w3c.dom.Document doc = |
| db.parse(new java.io.ByteArrayInputStream(inputStr.getBytes())); |
| |
| XPathFactory xpf = XPathFactory.newInstance(); |
| XPath xpath = xpf.newXPath(); |
| xpath.setNamespaceContext(new DSNamespaceContext()); |
| |
| String expression = "//ds:Transforms[1]"; |
| Element transformsElement = |
| (Element) xpath.evaluate(expression, doc, XPathConstants.NODE); |
| |
| Transforms transforms = new Transforms(transformsElement, "memory://"); |
| XMLSignatureInput input = new XMLSignatureInput(doc); |
| |
| // execute Transforms |
| XMLSignatureInput result = transforms.performTransforms(input); |
| |
| // output result |
| System.out.println(new String(result.getBytes())); |
| } |
| |
| } |