OpenSAML user discussion

[Paul Devine <>]

Jason,

 

The code I am using to do this is the following:

 

byte[] responseBytes = Base64.decode(response);

SAMLResponse samlResponse = SAMLPOSTProfile.accept(response.getBytes(), validRecipientURL, responseWindowSecs, true);

 

and it seems to work fine. In the above code the response variable is a String containing the base64 encoded response.

 

Paul

Jason Pedone <> wrote:

All,

I'm trying to convert a base64 encoded SAML String
response into a SAMLResponse object, the code I am
executing to do so follows:

SAMLResponse obj_SAMLResponse = null;
if(str_SAMLResponse != null) {
try {
byte[] byte_arr_decodedBase64 =
Base64.decode(str_SAMLResponse);
obj_SAMLResponse = new SAMLResponse(
new
java.io.ByteArrayInputStream(byte_arr_decodedBase64));
} catch (SAMLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Base64DecodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

I am getting the following exception:

[http-8080-Processor41] ERROR opensaml.SAMLObject
fromStream - caught an exception while parsing a
stream:
Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed
in prolog.
at org.opensaml.SAMLObject.fromStream(Unknown Source)
at org.opensaml.SAMLResponse.(Unknown Source)

anyone have any ideas on what could cause this? I
know the exception means that there are some
unexpected characters before the root node, however I
print out the unencoded xml before I encode it and
there is nothing preceeding the root node. Its a
little hard to debug where I am decoding it b/c all I
have at that point is the base64 encoded SAML.

Thanks In Advance,

Jason P.



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