I'd be ok changing the default if it would be more interopable.

Please file a JIRA with a patch.  :-)

Dan


On Wed February 10 2010 11:15:46 am Michel Decima wrote:
> Hello,
> 
> We are facing exactly the same issue here : third-party server unable to
> handle
> attachment sent by MTOM producer because of escaped cid:
> 
> Max Ferrari wrote:
> >> following to an (apparently) valid request from our CXF client, the
> >> server replies with a SOAP fault:
> >> <SOAP-ENV:Fault><faultcode>Sender</faultcode><faultstring>cannot get
> >> mime part</faultstring></SOAP-ENV:Fault>
> >> 
> >> I've analyzed the http conversation and I observe that:
> >> 
> >> - In the SOAP part of the request the attachments are included as:
> >> <xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include";
> >> href="cid:5726d366-df25-4945-9f3b-3003a2ae8a70-3@http%3A%2F%2Fcxf.apache
> >> .org%2F"/>
> >> 
> >> (please notice escaped  cxf.apache.org URI in the cid)
> 
> Thanks to Max, I understand that the behaviour of CXF according to RFC2111,
> and the third-party server should handle hex-escaped cid values. However,
> the server vendor can't provide a solution, because the external library
> they use to process attachments does not handle hex-escaped values, and
> they can't upgrade easily to another library.
> 
> So I browsed the CXF source tree to see how the cid and Contend-ID are
> generated. In class org.apache.cxf.attachment.AttachmentUtil, we have:
> 
> 
> 63   public static String createContentID(String ns) throws
> UnsupportedEncodingException {
> 64       // tend to change
> 65       String cid = "http://cxf.apache.org/";;
> 66
> 67       String name = ATT_UUID + "-" + String.valueOf(++counter);
> 68       if (ns != null && (ns.length() > 0)) {
> 69           try {
> 70               URI uri = new URI(ns);
> 71               String host = uri.toURL().getHost();
> 72               cid = host;
> 73           } catch (URISyntaxException e) {
> 74               cid = ns;
> 75           } catch (MalformedURLException e) {
> 76               cid = ns;
> 77           }
> 78       }
> 79       return URLEncoder.encode(name, "UTF-8") + "@" +
> URLEncoder.encode(cid, "UTF-8");
> 80   }
> 
> The full content-id is the result of concatenation of a random part (name)
> and a
> suffix part (cid) after encoding with URLencoder.
> 
> If the argument _ns_ is null or empty, the suffix defaults to
> "http://cxf.apache.org";,
> (full absolute URL, not the host part of it), and then the result of the
> function
> will contain hex-escaped characters, like this:
> 
> 
> 5726d366-df25-4945-9f3b-3003a2ae8a7...@http%3a%2f%2fcxf.apache.org%2f
> 
> If the argument _ns_ is not null and not empty, then _ns_ is used to build
> an URL,
> and the host part of this URL will be used as suffix value. Thus, if we
> call this
> function with a specific namespace, for example "http://foo.bar.com";, the
> result
> will be :
> 
>         [email protected]
> 
> and this string value does not contains hex-escaped characters.
> 
> 
> So I searched a way to specify a custom namespace to createContentID from
> my client code generated from WSDL by $CXF_HOME/bin/wsld2java, but I did
> not found how to do it. Is it possible ? (if yes, problem solved).
> 
> Then, I took a closer look to the createContentId() function, and I think
> that its behaviour is not very coherent : if the namespace (ns) is not
> null, only the host part is used, but if it is null, the full URL
> "http://cxf.apache.org/";
> with "http://"; prefix is used. To be more consistent, the function should
> use only the host part "cxf.apache.org" if namespace is null/empty. In
> other words, calling createContentId() explicitely with empty namespace
> and "http://cxf.apache.org/"; should give the same value :
> 
>     String s1 = AttachmentUtil.createContentID( "" ) ;
>     String s2 = AttachmentUtil.createContentID( "http://cxf.apache.org/"; )
> ; assert s1.substring( s1.indexOf('@')).equals( s2.substring(
> s2.indexOf('@')) );
> 
> Currently, the assertion above fails, and obviously we just have to change
> the default cid value line 65 :
> 
> 65  String cid = "cxf.apache.org" ;  // was "http://cxf.apache.org/";
> 
> Since this modification affects only the default suffix value, the
> algorithm stays the same, and hex-escaped characters are processed as
> expected. But, as
> a side effect, the generated contentID will be compatible with our current
> server.
> 
> What do you think ?
> 
> Best Regards,
> 
> --
> Michel Decima.

-- 
Daniel Kulp
[email protected]
http://www.dankulp.com/blog

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