public NegotiationToken GetToken()
        {
            WebRequest request = WebRequest.Create(requestUri);
            request.Method = "POST";

            Nonce nonce = Nonce.Generate();
            TimeStamp timestamp = TimeStamp.Generate();

            BaseString baseString = new BaseString(request.RequestUri,
                request.Method, nonce, timestamp, credentials, HmacSha1Signature.MethodName);

            Signature signature = new HmacSha1Signature(baseString.ToString(), credentials);

            AuthorizationHeader header = new AuthorizationHeader(credentials, nonce, timestamp, signature);

            request.Headers.Add(HttpRequestHeader.Authorization, header.ToString());

            using (WebResponse res = request.GetResponse())
            using (Stream s = res.GetResponseStream())
            using (StreamReader sr = new StreamReader(s))
            {
                NameValueCollection response = HttpUtility.ParseQueryString(sr.ReadToEnd());
                return new NegotiationToken(response["oauth_token"], response["oauth_token_secret"]);
            }
        }
        protected override Signature GenerateSignature(WebRequest request, Nonce nonce, TimeStamp timestamp)
        {
            BaseString baseString = new BaseString(request.RequestUri, request.Method,
                nonce, timestamp, credentials, HmacSha1Signature.MethodName);
            baseString.Token = token;

            return new HmacSha1Signature(baseString.ToString(), credentials, token);
        }
        public void RequestOnNonStandardPort()
        {
            Nonce             nonce       = new Nonce("1234");
            TimeStamp         timestamp   = new TimeStamp("1327772674");
            Uri               requestUri  = new Uri("http://api.netflix.com:5050/catalog/titles");
            ClientCredentials credentials = new ClientCredentials("key", "secret");

            BaseString baseString = new BaseString(requestUri, "PUT", nonce, timestamp, credentials, HmacSha1Signature.MethodName);

            string expectedBaseString = "PUT&http%3A%2F%2Fapi.netflix.com%3A5050%2Fcatalog%2Ftitles&oauth_consumer_key%3Dkey%26oauth_nonce%3D1234%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1327772674%26oauth_version%3D1.0";

            Assert.AreEqual(expectedBaseString, baseString.ToString());
        }
        public void RequestWithQueryParameters()
        {
            Nonce             nonce       = new Nonce("1234");
            TimeStamp         timestamp   = new TimeStamp("1327772674");
            Uri               requestUri  = new Uri("http://api.netflix.com/catalog/titles?arg1=value1&arg2=&arg3");
            ClientCredentials credentials = new ClientCredentials("key", "secret");

            BaseString baseString = new BaseString(requestUri, "GET", nonce, timestamp, credentials, HmacSha1Signature.MethodName);

            string expectedBaseString = "GET&http%3A%2F%2Fapi.netflix.com%2Fcatalog%2Ftitles&arg1%3Dvalue1%26arg2%3D%26arg3%3D%26oauth_consumer_key%3Dkey%26oauth_nonce%3D1234%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1327772674%26oauth_version%3D1.0";

            Assert.AreEqual(expectedBaseString, baseString.ToString());
        }
        public void RequestWithQueryParameters()
        {
            Nonce nonce = new Nonce("1234");
            TimeStamp timestamp = new TimeStamp("1327772674");
            Uri requestUri = new Uri("http://api.netflix.com/catalog/titles?arg1=value1&arg2=&arg3");
            ClientCredentials credentials = new ClientCredentials("key", "secret");

            BaseString baseString = new BaseString(requestUri, "GET", nonce, timestamp, credentials, HmacSha1Signature.MethodName);

            string expectedBaseString = "GET&http%3A%2F%2Fapi.netflix.com%2Fcatalog%2Ftitles&arg1%3Dvalue1%26arg2%3D%26arg3%3D%26oauth_consumer_key%3Dkey%26oauth_nonce%3D1234%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1327772674%26oauth_version%3D1.0";

            Assert.AreEqual(expectedBaseString, baseString.ToString());
        }
        public void RequestOnNonStandardPort()
        {
            Nonce nonce = new Nonce("1234");
            TimeStamp timestamp = new TimeStamp("1327772674");
            Uri requestUri = new Uri("http://api.netflix.com:5050/catalog/titles");
            ClientCredentials credentials = new ClientCredentials("key", "secret");

            BaseString baseString = new BaseString(requestUri, "PUT", nonce, timestamp, credentials, HmacSha1Signature.MethodName);

            string expectedBaseString = "PUT&http%3A%2F%2Fapi.netflix.com%3A5050%2Fcatalog%2Ftitles&oauth_consumer_key%3Dkey%26oauth_nonce%3D1234%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1327772674%26oauth_version%3D1.0";

            Assert.AreEqual(expectedBaseString, baseString.ToString());
        }