/// <summary>
/// Occurs when user gets authorized.
/// </summary>
/// <param name="userId">User Id.</param>
/// <param name="result">Result.</param>
/// <returns>Result.</returns>
protected override OAuthAuthorizationResult OnAuthorized(int userId, OAuthAuthorizationResult result)
{
OAuthAuthorizationResult ret = result;
string ping = "https://www.googleapis.com/analytics/v3/data/ga";
if (!OAuthWebClient.CheckAuthorized(ping, result.AccessToken))
{
ret = EnsureAuthorization(userId, true);
if (ret == null || string.IsNullOrEmpty(ret.AccessToken) ||
!OAuthWebClient.CheckAuthorized(ping, ret.AccessToken))
{
ret.Authorized = false;
ret.AccessToken = string.Empty;
}
}
return(ret);
}
/// <summary>
/// Checks whether the given client is allowed to call the given URL.
/// </summary>
/// <param name="url">URL.</param>
/// <param name="accessToken">Access token.</param>
/// <returns>Value indicating whether the given client is allowed to call the given URL.</returns>
public static bool CheckAuthorized(string url, string accessToken)
{
bool ret = true;
try
{
using (var client = new OAuthWebClient(accessToken))
client.DownloadString(url);
}
catch (System.Net.WebException ex)
{
if (ex.Response != null && (ex.Response as System.Net.HttpWebResponse).StatusCode ==
System.Net.HttpStatusCode.Unauthorized)
{
ret = false;
}
}
return(ret);
}
