private void SendOAuth(ServiceAccountCredential.OAuthRequest request)
{
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("Sending OAuth request to {0}", base.TokenServerUrl));
FirebaseHttpRequest firebaseHttpRequest = Services.HttpFactory.OpenConnection(new Uri(base.TokenServerUrl));
firebaseHttpRequest.SetRequestMethod("POST");
firebaseHttpRequest.SetRequestProperty(FirebaseHttpRequest.HeaderContentType, "application/x-www-form-urlencoded");
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("grant_type=");
stringBuilder.Append("urn:ietf:params:oauth:grant-type:jwt-bearer");
stringBuilder.Append("&");
stringBuilder.Append("assertion=");
stringBuilder.Append(request.Assertion);
byte[] bytes = Encoding.ASCII.GetBytes(stringBuilder.ToString());
firebaseHttpRequest.OutputStream.Write(bytes, 0, bytes.Length);
if (firebaseHttpRequest.ResponseCode >= 200 && firebaseHttpRequest.ResponseCode < 300)
{
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("OAuth request to {0} completed with code {1}", base.TokenServerUrl, firebaseHttpRequest.ResponseCode.ToString()));
StreamReader streamReader = new StreamReader(firebaseHttpRequest.InputStream);
request.ResponseBody = streamReader.ReadToEnd();
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("OAuth request to {0} completed with msg {1}", base.TokenServerUrl, request.ResponseBody));
}
else
{
Services.Logging.LogMessage(PlatformLogLevel.Error, string.Format("OAuth request to {0} failed with code {1}", base.TokenServerUrl, firebaseHttpRequest.ResponseCode.ToString()));
StreamReader streamReader2 = new StreamReader(firebaseHttpRequest.ErrorStream);
string arg = streamReader2.ReadToEnd();
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("OAuth request to {0} failed with msg {1}", base.TokenServerUrl, arg));
request.ResponseBody = null;
}
}
public override string GetAccessTokenForRequestSync(CancellationToken taskCancellationToken)
{
string assertion = this.CreateAssertionFromPayload(this.CreatePayload());
ServiceAccountCredential.OAuthRequest oauthRequest = new ServiceAccountCredential.OAuthRequest
{
Assertion = assertion
};
this.SendOAuth(oauthRequest);
if (string.IsNullOrEmpty(oauthRequest.ResponseBody))
{
return(null);
}
IDictionary <string, object> dictionary = (IDictionary <string, object>)Json.Deserialize(oauthRequest.ResponseBody);
object obj = null;
if (dictionary != null)
{
dictionary.TryGetValue("access_token", out obj);
}
return((obj == null) ? null : obj.ToString());
}