public static string UploadStringOAuth2(this WebClient client,
IStorage storage, string scopes, string path, string queryBody)
{
var creds = storage.GetCredentials();
client.AddBearer(creds);
try
{
return(client.UploadString(path, queryBody));
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ProtocolError)
{
if (((HttpWebResponse)ex.Response).StatusCode != HttpStatusCode.Unauthorized)
{
throw;
}
var secrets = storage.GetSecrets();
var authclient = new AuthClient(secrets, scopes, null, null);
var newcreds = authclient.refreshAuthCode(creds);
var storedcreds = storage.StoreCredentials(newcreds);
client.AddBearer(storedcreds);
return(client.UploadString(path, queryBody));
}
throw;
}
}