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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 40156] - Canonicalization fails with German umlauts
Date Tue, 01 Aug 2006 19:35:48 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=40156





------- Additional Comments From dominikschadow@web.de  2006-08-01 19:35 -------
Sample code based on CanonByTransform.java. The changed  causes the exception.

import java.io.ByteArrayInputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.transforms.Transforms;
import org.w3c.dom.Document;
import org.w3c.dom.Node;

public class CanonByTransform {
// The  in line 5 causes canonicalization to fail
   static String input = ""
      + "<!DOCTYPE doc [<!ATTLIST e9 attr CDATA \"default\">]>\n"
      + "<!-- Comment 2 --><doc><!-- comment inside -->\n"
      + "   <e1   />\n"
      + "   <e2   ></e2>\n"
      + "   <e3    name = \"\"   id=\"elem3\"    />\n"
      + "   <e4    name=\"elem4\"   id=\"elem4\"    ></e4>\n"
      + "   <e5 a:attr=\"out\" b:attr=\"sorted\" attr2=\"all\" attr=\"I'm\"\n"
      + "       xmlns:b=\"http://www.ietf.org\"\n"
      + "       xmlns:a=\"http://www.w3.org\"\n"
      + "       xmlns=\"http://example.org\"/>\n"
      + "   <e6 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n"
      + "       <e7 xmlns=\"http://www.ietf.org\">\n"
      + "           <e8 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n"
      + "               <e9 xmlns=\"\" xmlns:a=\"http://www.ietf.org\"/>\n"
      + "               <text>&#169;</text>\n"
      + "           </e8>\n"
      + "       </e7>\n"
      + "   </e6>\n"
      + "</doc><!-- Comment 3 -->\n"
      ;

   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();

      documentBuilder
         .setErrorHandler(new org.apache.xml.security.utils
            .IgnoreAllErrorHandler());

      byte inputBytes[] = input.getBytes();
      Document inputDoc =
         documentBuilder.parse(new ByteArrayInputStream(inputBytes));

      XMLSignatureInput signatureInput = new XMLSignatureInput((Node) inputDoc);
      Document transformDoc = documentBuilder.newDocument();

      Transforms c14nTrans = new Transforms(transformDoc);
      transformDoc.appendChild(c14nTrans.getElement());
     
c14nTrans.addTransform("http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments");
      XMLSignatureInput c14nResult = c14nTrans.performTransforms(signatureInput);
      byte outputBytes[] = c14nResult.getBytes();

      System.out.println(new String(outputBytes));
   }
}

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