Estimados,

Estoy usando el proyecto de ejemplo que me descargue del sitio. 

***********************************************************************************************************

Namespace: Google.Api.Ads.Common.Lib

Class: OAuth2ProviderForApplications

Method: FetchAccessAndRefreshTokens

 *****************************************************************************

Detalle del métdo:

 

public bool FetchAccessAndRefreshTokens(string authorizationCode) {

      string redirectUrl = (string.IsNullOrEmpty(RedirectUri)) ? 
OFFLINE_REDIRECT_URL : RedirectUri;

 

      if (string.IsNullOrEmpty(authorizationCode)) {

        throw new ArgumentNullException(CommonErrorMessages
.OAuth2AuthorizationCodeIsEmpty);

      }

      ValidateOAuth2Parameter("ClientId", ClientId);

      ValidateOAuth2Parameter("ClientSecret", ClientSecret);

      string body = string.Format(
"code={0}&client_id={1}&client_secret={2}&redirect_uri={3}" +

          "&grant_type={4}", HttpUtility.UrlEncode(authorizationCode),

          HttpUtility.UrlEncode(ClientId), HttpUtility
.UrlEncode(ClientSecret),

          HttpUtility.UrlEncode(redirectUrl), HttpUtility
.UrlEncode(authorizationCode));

      try {

        CallTokenEndpoint(body);

      } catch (ApplicationException e) {

        throw new AdsOAuthException("Failed to get access token." + "\n" + 
e.Message);

      }

      return true;

    }


Luego de obtener el código de autorización necesito obtener el “TOKEN”, 
pero estoy recibiendo el siguiente error:

 





*Failed to get access token. {  "error" : "invalid_request", 
 "error_description" : "Invalid grant_type: 
4/47ToZtgnu1fjb00oiz7kRqKU6Bor.MlHJmYy0NAgW3oEBd8DOtNADn98rjAI" }*

¿Que puede ser?


Gracias y saludos,

Gonzalo

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