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I am trying to access google sites feed by using google service account. But I get "The remote server returned an error: (403) Forbidden."(Not authorized to access this feed) error.

The code written is as follows:

var certificate = new X509Certificate2(filePath, password, X509KeyStorageFlags.Exportable);

var serviceAccountCredentialInitializer =new ServiceAccountCredential.Initializer("")
{Scopes = new[] {""}}.FromCertificate(certificate);

var credential = new ServiceAccountCredential(serviceAccountCredentialInitializer);


throw new InvalidOperationException("Access token request failed.");

var requestFactory = new GDataRequestFactory(null);
requestFactory.CustomHeaders.Add("Authorization: Bearer " + credential.Token.AccessToken);

//SitesService class inherits MediaService

 SitesService service = new SitesService(null)
                RequestFactory = requestFactory 

Stream feed = service.Query(new Uri(""));

I have also granted access to required scopes to google service account from admin panel. But still same error.

Can someone please tell me, what is wrong in my code?
Updated 13-Nov-15 20:41pm
Afzaal Ahmad Zeeshan 14-Nov-15 2:31am
Did you pass the password too? Your code only shows the username being passed.
Member 12138450 15-Nov-15 7:21am
I have passed password to the certificate.
Can we pass password to google service account?
Do we get password for google service account?
ZurdoDev 15-Nov-15 10:25am
Seems like you should be asking google some of these questions.

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