Prepare SAML Authentication request using OpenSaml3.1.1

[Surinaidu Majji]

Thanks for the reply Brent,
We are able to prepare AuthnRequest from AuhtenticationRequestBuilder as
per your suggestion but not able to Marshel it properly.

Please look into the following code:

OutputStream requestWriter =  *new* OutputStream() {

                     @Override

                     *public* *void* write(*int* b) *throws* IOException {

                           // *TODO* Auto-generated method stub

                     }

              };

org.opensaml.core.xml.io.MarshallerFactory marfact = *new*
org.opensaml.core.xml.io.MarshallerFactory();

Marshaller mar = marfact.getMarshaller(authnRequest);

org.w3c.dom.Element authDOM = mar.marshall(authnRequest);

SerializeSupport.*writeNode*(authDOM, requestWriter);

requestMessage = requestWriter.toString();


In the above code, we are getting "mar" as null.


Could you please help us to resolve it.

On Thu, Jun 11, 2015 at 11:18 PM, Brent Putman <putmanb at georgetown.edu>
wrote:

>
>
> On 6/11/15 1:23 AM, Surinaidu Majji wrote:
>
>
> A) base64 encoding/decoding packages in OpenSAML 3.1.1 (as highlighted
> below in red)
> B) XML helpers to convert DOM to Strings (as highlighted below in red)
>
>   authDOM = marshaller.marshall(authnRequest); // converting to a DOM
>  StringWriter requestWriter = new StringWriter();
>  XMLHelper.writeNode(authDOM, requestWriter);
>
>
> See java-support,
> net.shibboleth.utilities.java.support.xml.SerializeSupport.  One of the
> nodeToString(...) or writeNode(...) methods.
>
>
>
>
>
>  encodedRequestMessage =
> Base64.encodeBytes(requestMessage.getBytes(),Base64.DONT_BREAK_LINES);
>
>
>
>
> Again java-support,
> net.shibboleth.utilities.java.support.codec.Base64Support.
>
>
> Although: I don't necessarily want to open a can of worms, but if what
> you're actually doing is trying to do is serialize and encode the data in
> order to implement SAML binding(s), we have higher level components in both
> v2 and v3 that do all that for you.  In v3 for SAML 2, look at the
> MessageEncoder impls in the saml-impl module, package
> org.opensaml.saml.saml2.binding.encoding.impl.  For usage examples, take a
> look at the unit tests for those.  It's not difficult.
>
>
>
>
> --
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>
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