public IAuthorizationState RequestAccessToken(string refreshToken)
{
{
WebServerClient consumer = new WebServerClient(ServerDescription, ClientID, ClientSecret)
{
AuthorizationTracker = new AuthorizationTracker(Scope)
};
IAuthorizationState grantedAccess = PrepareAuthorizationState(refreshToken);
if (grantedAccess != null)
{
try
{
consumer.ClientCredentialApplicator = ClientCredentialApplicator.PostParameter(ClientSecret);
consumer.RefreshAuthorization(grantedAccess, null);
return grantedAccess;
}
catch (Exception ex)
{
log.Error("RefreshAuthorization() Exception:\r\n{0}\r\n", ex.ToString());
}
}
return null;
}
}
public ViewResult RefreshToken(RefreshTokenViewModel model)
{
if (this.ModelState.IsValid)
{
try
{
// Create the client with which we will be connecting to the server.
var webServerClient = new WebServerClient(this.AuthorizationServerDescription, clientIdentifier: model.ClientId, clientSecret: model.ClientSecret);
// Create an AuthorizationState instance with only the refresh token set. This is all that is needed for
// OAuth to be able to determine what token is to be refreshed
var authorizationState = new AuthorizationState { RefreshToken = model.RefreshToken };
// Refresh an access token (http://tools.ietf.org/html/draft-ietf-oauth-v2-31#section-6)
// This method will use the client identifier and client secret used when constructing the WebServerAgentClient instance
webServerClient.RefreshAuthorization(authorizationState);
this.ViewBag.AccessToken = authorizationState;
}
catch (Exception ex)
{
this.ViewBag.Exception = ex;
}
}
return this.View(model);
}