public void Index(string signatureMethod)
        {
            // just populate the propertybag with a few uri's for testing purposes.

            signatureMethod = signatureMethod ?? SignatureMethod.PlainText;

            PropertyBag["signatureMethod"] = signatureMethod;

            OAuthConsumer consumer = _oAuthService.CreateConsumer(signatureMethod);

            PropertyBag["requestTokenUri"] = consumer.BuildRequestTokenContext(null).GenerateUrl();
            PropertyBag["exchangeRequestTokenForAccessTokenUri"] = consumer.BuildExchangeRequestTokenForAccessTokenContext(_testRequestToken, null).GenerateUrl();
            PropertyBag["accessProtectedResourceUri"]            = CreateApiResourceRequest(consumer, "/api/contacts/");
            PropertyBag["accessOneProtectedResourceUri"]         = CreateApiResourceRequest(consumer, "/api/contacts/1");
        }