| |
| /* |
| * 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.transforms; |
| |
| |
| |
| import org.apache.xml.security.signature.XMLSignatureInput; |
| import org.apache.xml.security.transforms.Transforms; |
| import org.apache.xml.security.utils.Constants; |
| import org.apache.xml.security.utils.XMLUtils; |
| import org.apache.xpath.XPathAPI; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| |
| /** |
| * This class demonstrates the use of a Transform forEnveloped Signature. |
| * |
| * @author Christian Geuer-Pollmann |
| * @version %I%, %G% |
| */ |
| public class SampleTransformEnvelopedSignature { |
| |
| /** |
| * Method main |
| * |
| * @param args |
| * @throws Exception |
| */ |
| public static void main(String args[]) throws Exception { |
| //J- |
| String inputStr = |
| "<?xml version=\"1.0\"?>" + "\n" |
| + "<Document xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <Data attr='attrValue'>text in Data</Data>" + "\n" |
| + "<Signature Id='SignatureToBeOmitted' xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <SignedInfo>" + "\n" |
| + " <Reference>" + "\n" |
| + " <Transforms>" + "\n" |
| // + " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n" |
| + " <Transform Algorithm='http://www.w3.org/2000/09/xmldsig#enveloped-signature' />" + "\n" |
| + " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n" |
| + " </Transforms>" + "\n" |
| + " </Reference>" + "\n" |
| + " </SignedInfo>" + "\n" |
| + " </Signature>" |
| + " <Signature Id='VisibleSignature' xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <SignedInfo xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <Reference xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <Transforms xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n" |
| + " <Transform Algorithm='http://www.w3.org/2000/09/xmldsig#enveloped-signature' />" + "\n" |
| + " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n" |
| + " </Transforms>" + "\n" |
| + " </Reference>" + "\n" |
| + " </SignedInfo>" + "\n" |
| + " </Signature>" + "\n" |
| + "</Document>" + "\n" |
| ; |
| //J+ |
| 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())); |
| Element nscontext = XMLUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS); |
| |
| Element transformsElem = (Element) XPathAPI.selectSingleNode( |
| doc, "//ds:Signature[@Id='SignatureToBeOmitted']//ds:Transforms", |
| nscontext); |
| Transforms transforms = new Transforms(transformsElem, "memory://"); |
| XMLSignatureInput input = new XMLSignatureInput((Node) doc); |
| |
| // input.setCanonicalizerURI(Canonicalizer.ALGO_ID_C14N_WITH_COMMENTS); |
| |
| XMLSignatureInput result = transforms.performTransforms(input); |
| |
| System.out.println(new String(result.getBytes())); |
| } |
| } |