private string GetAccessToken()
{
string formData = "grant_type=client_credentials";
byte[] formBytes = Encoding.UTF8.GetBytes(formData);
_credential = _credentials.GetCredential();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(credentialRequestURI);
request.Method = "POST";
request.Headers.Add("Authorization", _credential.ClientID + " " + _credential.ClientSecret);
request.ContentType = "multipart/form-data";
request.ContentLength = formBytes.Length;
Stream stream = request.GetRequestStream();
stream.Write(formBytes, 0, formBytes.Length);
var response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
var responseStream = new StreamReader(response.GetResponseStream());
var jResponse = JsonConvert.DeserializeObject <JObject>(responseStream.ReadToEnd());
if (jResponse.ContainsKey("access_token"))
{
return((string)jResponse["access_token"]);
}
}
return(GetAccessToken());
}