>From a Muse perspective, the only time we add indentation is in 
XmlUtils.toString(), which is used if you turn on SOAP tracing (log-level 
= FINE in muse.xml). This just makes it easier to read the log file. You 
can stop the indentation all together by using this version of 
XmlUtils.toString():

http://ws.apache.org/muse/docs/2.2.0/javadoc/org/apache/muse/util/xml/XmlUtils.html#toString(org.w3c.dom.Node,%20boolean,%20boolean)

The point is that, from a Muse perspective, we don't add any additional 
whitespace nodes/indentation when processing the message - it just happens 
when we trace. If you look in the Axis2 service code, we just take the 
SOAP body as it comes from Axis2 (in Axiom form), convert it to DOM, and 
hand off the DOM tree to your method:

http://svn.apache.org/viewvc/webservices/muse/trunk/modules/muse-platform-axis2/src/org/apache/muse/core/platform/axis2/AxisIsolationLayer.java?revision=522017&view=markup

The Axiom -> DOM conversion is pretty straightforward - I could understand 
if we had *missed* something in the copying, but *adding* new things would 
be hard.

Does this problem happen if you use the Mini SOAP engine (-j2ee mini)? If 
not, the problem may be with Axiom/Axis2. I've noticed that, like Axis 
1.x, there are still cases where Axis2 adds in prefix/namespace 
declarations, and so the addition of blank/whitespace text nodes does not 
seem impossible.



Erik Rissanen <[EMAIL PROTECTED]> wrote on 04/09/2007 02:51:06 AM:

> 
> Daniel Jemiolo wrote:
> > Can you give an example of the changing of XML prefixes? This was 
actually 
> > a major problem for us with the various SOAP engines we targeted 
(because 
> > WSRF is very dependent on prefixes staying the same), so we make sure 
not 
> > to modify prefixes in the request handling. Let me know what's 
happening.
> >
> > Also, are you signing things as part of the operation implementations? 

> > Normally this is done with something like WSS4J, which you can enable 
as 
> > an Axis2 handler (so the envelope will be completely finished when you 

> > sign or validate it).
> >
> > Dan
> >
> >
> >
> > Erik Rissanen <[EMAIL PROTECTED]> wrote on 04/08/2007 01:52:42 PM:
> >
> > 
> >> Hello,
> >>
> >> I am using Apache Muse 2.2.0 for implementing a web service. I need 
to
> >> pass digitally signed XML documents to the service. The problem I 
have
> >> is that Muse re-indents the XML and changes namespace prefixes. This
> >> breaks the signatures.
> >>
> >> Is this a bug, feature or do I need to reconfigure muse somehow? I 
tried
> >> to search the web, this list and the bug tracking system, but I 
couldn't
> >> find anything.
> >>
> >> Regards,
> >> Erik
> >>
> >> 
> 
> 
> The signature is for an XML document which is signed standalone. I am
> not signing the WS invocation itself, rather I am transmitting a
> document which has been previously signed. So WSS4J is not what I am
> looking for here.
> 
> The schema for the messages looks like this:
> 
>         <xsd:schema elementFormDefault="qualified"
>             targetNamespace="http://sics.se/my-stuff";>
> 
>             <xsd:element name="AddPolicy">
>                 <xsd:complexType>
>                     <xsd:sequence>
>                         <xsd:element ref="saml:Assertion" />
>                     </xsd:sequence>
>                 </xsd:complexType>
>             </xsd:element>
> 
>             <xsd:element name="AddPolicyResponse" type="xsd:anyURI"/>
>         </xsd:schema>
> 
> I use wsdl2java to generate a client proxy which has the following 
method:
> 
>     URI addPolicy(Element assertion) throws SoapFault;
> 
> I read my signed document from disc and parse it into a DOM. I pass the
> document element of this DOM to the above method. The document looks
> like this (fragments only since it is quite long):
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <saml:Assertion xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion"
> ID="ID_191adef5-f5a9-40b6-a0c1-c23ca7de3c6c"
> IssueInstant="2007-04-08T13:56:13Z" Version="2.0">
> <saml:Issuer
> Format="http://www.w3.org/2001/XMLSchema#string";>...</saml:Issuer>
> <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#";>
> ...
> <ds:Reference URI="#ID_191adef5-f5a9-40b6-a0c1-c23ca7de3c6c">
> ...
> </ds:Signature>
> <saml:Statement
> xmlns:xacml-saml="urn:oasis:xacml:3.0:saml:assertion:schema:os"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:type="xacml-saml:XACMLPolicyStatementType">
> <xacml:Policy xmlns="urn:oasis:names:tc:xacml:3.0:schema:os"
> xmlns:xacml="urn:oasis:names:tc:xacml:3.0:schema:os" PolicyId="..."
> RuleCombiningAlgId="..." Version="1.0">
>   <xacml:Target>
>     <xacml:DisjunctiveMatch>
> ...
> 
> 
> On the server side wsdl2java generates the following:
> 
>     public URI addPolicy(Element Assertion) throws Exception    {
>       ....
>     }
> 
> When I receive the document here it doesn't look right. notice the
> prefix "pfx3" and the excessive amount of indentation:
> 
> <pfx3:Assertion ID="ID_191adef5-f5a9-40b6-a0c1-c23ca7de3c6c"
> IssueInstant="2007-04-08T13:56:13Z" Version="2.0">
> 
> 
> 
>             <saml:Issuer
> 
Format="http://www.w3.org/2001/XMLSchema#string";>...</saml:Issuer><ds:Signature>
> 
> 
> ....
> 
>                 <ds:SignedInfo>
> </ds:KeyInfo></ds:Signature><saml:Statement
> xmlns:xacml-saml="urn:oasis:xacml:3.0:saml:assertion:schema:os"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> type="xacml-saml:XACMLPolicyStatementType">
> 
>                 <xacml:Policy PolicyId="..." RuleCombiningAlgId="..."
> Version="1.0">
> 
> 
>                     <xacml:Target>
> 
> 
> 
>                         <xacml:DisjunctiveMatch>
> 
> 
> xsi:type has also been changed to just type in the saml:Statement 
element.
> 
> I got the above document by encoding the received Assertion element to a
> file in the capability implementation. I used the apache xml-security
> canonicalizer for the encoding:
> 
>             Canonicalizer canon = Canonicalizer.getInstance
>             (Canonicalizer.ALGO_ID_C14N_WITH_COMMENTS);
>             FileOutputStream fouts = new 
FileOutputStream("/tmp/tete2.xml");
>             fouts.write(canon.canonicalizeSubtree(Assertion));
>             fouts.close();
> 
> I don't think it is the canonicalizer which messes up the file. I also
> tried to use the Muse XmlUtils class for this encoding, in which case
> the document looks different from above. (The indentation is prettier.)
> 
> I am using the axis2 engine and I deploy the war in tomcat 5 on Fedora
> Core 6 Linux.
> 
> Thanks for your assistance,
> Erik
> 
> 
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