public static void RevokeAccessToken(string tokenToBeRevoked)
{
TokenRevoked?.Invoke();
WebClient client = new WebClient();
string accessToken = SecretStorage.GetFitbitClientID() + ":" + SecretStorage.GetFitbitClientSecret();
accessToken = Base64Encode(accessToken);
client.Headers.Add("Authorization", "Basic " + accessToken);
var values = new NameValueCollection();
values["token"] = tokenToBeRevoked;
try
{
var response = client.UploadValues(REVOKE_URL, values);
var responseString = Encoding.Default.GetString(response);
SecretStorage.RemoveAccessToken(tokenToBeRevoked);
SecretStorage.RemoveRefreshToken(SecretStorage.GetRefreshToken());
}
catch (Exception e)
{
Logger.WriteToLogFile(e);
Logger.WriteToConsole(e.ToString());
}
finally
{
if (client != null)
{
client.Dispose();
}
}
}
internal static void RefreshAccessToken()
{
Logger.WriteToConsole("Access token not valid anymore. Try to refresh access token.");
WebClient client = new WebClient();
string accessToken = SecretStorage.GetFitbitClientID() + ":" + SecretStorage.GetFitbitClientSecret();
accessToken = Base64Encode(accessToken);
client.Headers.Add("Authorization", "Basic " + accessToken);
var values = new NameValueCollection();
values["grant_type"] = "refresh_token";
string refreshToken = SecretStorage.GetRefreshToken();
values["refresh_token"] = refreshToken;
values["expires_in"] = "" + Settings.TOKEN_LIFETIME;
try
{
var response = client.UploadValues(REFRESH_URL, values);
var responseString = Encoding.Default.GetString(response);
AccessRefreshResponse accessResponse = JsonConvert.DeserializeObject <AccessRefreshResponse>(responseString);
Logger.WriteToConsole("Refreshing token returned the following response: " + responseString);
Logger.WriteToConsole("Writing access and refresh token to database.");
Database.GetInstance().LogInfo("Retreived new access and refresh token: " + accessResponse.access_token + " / " + accessResponse.refresh_token);
SecretStorage.SaveAccessToken(accessResponse.access_token);
SecretStorage.SaveRefreshToken(accessResponse.refresh_token);
}
catch (WebException e)
{
if ((e.Response is HttpWebResponse) && ((e.Response as HttpWebResponse).StatusCode == HttpStatusCode.Unauthorized || (e.Response as HttpWebResponse).StatusCode == HttpStatusCode.BadRequest))
{
RefreshTokenFail?.Invoke();
}
else if ((e.Response is HttpWebResponse) && (e.Response as HttpWebResponse).StatusCode.ToString().Equals("429"))
{
Logger.WriteToConsole("Too many requests");
}
else
{
Logger.WriteToLogFile(e);
}
}
catch (Exception e)
{
Logger.WriteToLogFile(e);
Logger.WriteToConsole(e.ToString());
}
finally
{
if (client != null)
{
client.Dispose();
}
}
}
