public static string GetAccesToken()
{
AdmAuthentication admAuth;
if (string.IsNullOrEmpty(_SubscriptionKey))
{
// Get Client Id and Client Secret from https://datamarket.azure.com/developer/applications/
// Refer obtaining AccessToken (http://msdn.microsoft.com/en-us/library/hh454950.aspx)
if (string.IsNullOrEmpty(_ClientSecret) || string.IsNullOrEmpty(_ClientID))
{
throw new ArgumentException(
"Client ID and Client Secret are required. Please obtain your credentials from https://datamarket.azure.com/developer/applications/ and update in Settings.");
}
admAuth = new DatamarketAdmAuthentication(_ClientID, _ClientSecret);
}
else
{
// Get Subscription keys from https://portal.azure.com/ => All resources => (Your Cognitive Services account) => Resource Management => Keys
// Refer obtaining AccessToken (http://docs.microsofttranslator.com/oauth-token.html)
admAuth = new AzureAdmAuthentication(_SubscriptionKey);
}
try
{
AdmAccessToken admToken = admAuth.GetAccessToken();
return(admToken.access_token);
}
catch (WebException e)
{
// Obtain detailed error information
string strResponse = string.Empty;
using (HttpWebResponse response = (HttpWebResponse)e.Response)
{
if (response != null)
{
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader sr = new StreamReader(responseStream, System.Text.Encoding.ASCII))
{
strResponse = sr.ReadToEnd();
}
}
}
}
throw new Exception(string.Format("Http status code={0}, error message={1}", e.Status, strResponse), e);
}
catch (Exception ex)
{
throw ex;
}
}
public static string GetAccesToken()
{
// Get Client Id and Client Secret from https://datamarket.azure.com/developer/applications/
// Refer obtaining AccessToken (http://msdn.microsoft.com/en-us/library/hh454950.aspx)
if (string.IsNullOrEmpty(_ClientSecret) || string.IsNullOrEmpty(_ClientID))
{
throw new ArgumentException(
"Client ID and Client Secret are required. Please obtain your credentials from https://datamarket.azure.com/developer/applications/ and update in Settings.");
}
AdmAuthentication admAuth = new AdmAuthentication(_ClientID, _ClientSecret);
try
{
AdmAccessToken admToken = admAuth.GetAccessToken();
return(admToken.access_token);
}
catch (WebException e)
{
// Obtain detailed error information
string strResponse = string.Empty;
using (HttpWebResponse response = (HttpWebResponse)e.Response)
{
if (response != null)
{
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader sr = new StreamReader(responseStream, System.Text.Encoding.ASCII))
{
strResponse = sr.ReadToEnd();
}
}
}
}
throw new Exception(string.Format("Http status code={0}, error message={1}", e.Status, strResponse), e);
}
catch (Exception ex)
{
throw ex;
}
}
private AdmAccessToken HttpPost(string datamarketAccessUri, string requestDetails)
{
WebRequest webRequest = WebRequest.Create(datamarketAccessUri);
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.Method = "POST";
byte[] bytes = Encoding.ASCII.GetBytes(requestDetails);
webRequest.ContentLength = bytes.Length;
using (Stream outputStream = webRequest.GetRequestStream())
{
outputStream.Write(bytes, 0, bytes.Length);
}
using (WebResponse webResponse = webRequest.GetResponse())
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(AdmAccessToken));
// Get deserialized object from JSON stream
AdmAccessToken token = (AdmAccessToken)serializer.ReadObject(webResponse.GetResponseStream());
return(token);
}
}
private AdmAccessToken HttpPost(string AzureAccessUri, string subscriptionKey)
{
var webRequest = HttpWebRequest.Create(AzureAccessUri);
webRequest.ContentType = "application/json";
((HttpWebRequest)webRequest).Accept = "application/jwt";
webRequest.Headers.Set("Ocp-Apim-Subscription-Key", subscriptionKey);
webRequest.Method = "POST";
webRequest.ContentLength = 0;
using (var stream = webRequest.GetRequestStream())
{
stream.Write(new byte[0], 0, 0);
}
using (WebResponse webResponse = webRequest.GetResponse())
{
var tokenString = new StreamReader(webResponse.GetResponseStream()).ReadToEnd();
AdmAccessToken token = new AdmAccessToken();
token.access_token = tokenString;
return(token);
}
}
