public void validateWsFederationAuthenticationRequest(final RequestContext context) {
        val service = wsFederationCookieManager.retrieve(context);
        LOGGER.debug("Retrieved service [{}] from the session cookie", service);

        val request = WebUtils.getHttpServletRequestFromExternalWebflowContext(context);
        val wResult = request.getParameter(WRESULT);
        LOGGER.debug("Parameter [{}] received: [{}]", WRESULT, wResult);
        if (StringUtils.isBlank(wResult)) {
            LOGGER.error("No [{}] parameter is found", WRESULT);
            throw new IllegalArgumentException("Missing parameter " + WRESULT);
        }
        LOGGER.debug("Attempting to create an assertion from the token parameter");
        val rsToken = wsFederationHelper.getRequestSecurityTokenFromResult(wResult);
        val assertion = wsFederationHelper.buildAndVerifyAssertion(rsToken, configurations);
        if (assertion == null) {
            LOGGER.error("Could not validate assertion via parsing the token from [{}]", WRESULT);
            throw new IllegalArgumentException("Could not validate assertion via the provided token");
        }
        LOGGER.debug("Attempting to validate the signature on the assertion");
        if (!wsFederationHelper.validateSignature(assertion)) {
            val msg = "WS Requested Security Token is blank or the signature is not valid.";
            LOGGER.error(msg);
            throw new IllegalArgumentException(msg);
        }
        buildCredentialsFromAssertion(context, assertion, service);
    }
public void validateWsFederationAuthenticationRequest ( final RequestContext context ) { val service = wsFederationCookieManager . retrieve ( context ) ; LOGGER . debug ( "Retrieved service [{}] from the session cookie" , service ) ; val request = WebUtils . getHttpServletRequestFromExternalWebflowContext ( context ) ; val wResult = request . getParameter ( WRESULT ) ; LOGGER . debug ( "Parameter [{}] received: [{}]" , WRESULT , wResult ) ; if ( StringUtils . isBlank ( wResult ) ) { LOGGER . error ( "No [{}] parameter is found" , WRESULT ) ; throw new IllegalArgumentException ( "Missing parameter " + WRESULT ) ; } LOGGER . debug ( "Attempting to create an assertion from the token parameter" ) ; val rsToken = wsFederationHelper . getRequestSecurityTokenFromResult ( wResult ) ; val assertion = wsFederationHelper . buildAndVerifyAssertion ( rsToken , configurations ) ; if ( assertion == null ) { LOGGER . error ( "Could not validate assertion via parsing the token from [{}]" , WRESULT ) ; throw new IllegalArgumentException ( "Could not validate assertion via the provided token" ) ; } LOGGER . debug ( "Attempting to validate the signature on the assertion" ) ; if ( ! wsFederationHelper . validateSignature ( assertion ) ) { val msg = "WS Requested Security Token is blank or the signature is not valid." ; LOGGER . error ( msg ) ; throw new IllegalArgumentException ( msg ) ; } buildCredentialsFromAssertion ( context , assertion , service ) ; }
Validate ws federation authentication request event.

@param context the context