public IEnumerator AcquireToken(string APIKey, AcquireTokenEventHandler handler)
{
if (_mutex)
{
yield return(new WaitUntil(() => { return !_mutex; }));
}
_mutex = true;
if (_tokenCache.ContainsKey(APIKey))
{
var cachedToken = _tokenCache[APIKey];
var args = new AcquireTokenEventArgs(cachedToken);
handler.Invoke(this, args);
}
else
{
// Create headers
var headers = new Dictionary <string, string>();
//headers.Add(Strings.HEADER_CONTENT_TYPE, Strings.CONTENT_TYPE_APPLICATION_OCTET_STREAM);
headers.Add(CognitiveStrings.HEADER_OCP_APIM_SUBSCRIPTION_KEY, APIKey);
// Request dummy data
var dummyData = new byte[1] {
1
};
// If the endpoint gets 0 bytes it returns an error,
// so we send 1 byte of dummy data
var w = new WWW(TokenManagerStrings.URI_COGNITIVE_TOKEN, dummyData, headers);
yield return(w);
// Response
if (string.IsNullOrEmpty(w.error))
{
var token = w.text;
_tokenCache.Add(APIKey, token);
var args = new AcquireTokenEventArgs(token);
if (handler != null)
{
handler.Invoke(this, args);
}
}
else
{
Debug.LogError("Error obtaining auth token: " + w.error);
}
_mutex = false;
}
}
public IEnumerator WaitForMutex(string APIKey, AcquireTokenEventHandler handler)
{
yield return(new WaitUntil(() => { return !_mutex; }));
var args = new AcquireTokenEventArgs(_tokenCache[APIKey]);
}
public void AcquireTokenAsync(string APIKey, AcquireTokenEventHandler handler)
{
StartCoroutine(AcquireToken(APIKey, handler));
}
