/// <summary>
/// Perform request to obtain access token by code or by refresh token
/// </summary>
/// <param name="postData">Complete POST data for the request</param>
/// <returns></returns>
private static LoginResponse RequestToken(string postData)
{
var request = new ProxiedWebRequest(tokenUrl);
request.UserAgent = "MCC/" + Program.Version;
var response = request.Post("application/x-www-form-urlencoded", postData);
var jsonData = Json.ParseJson(response.Body);
// Error handling
if (jsonData.Properties.ContainsKey("error"))
{
throw new Exception(jsonData.Properties["error_description"].StringValue);
}
else
{
string accessToken = jsonData.Properties["access_token"].StringValue;
string refreshToken = jsonData.Properties["refresh_token"].StringValue;
int expiresIn = int.Parse(jsonData.Properties["expires_in"].StringValue);
// Extract email from JWT
string payload = JwtPayloadDecode.GetPayload(jsonData.Properties["id_token"].StringValue);
var jsonPayload = Json.ParseJson(payload);
string email = jsonPayload.Properties["email"].StringValue;
return(new LoginResponse()
{
Email = email,
AccessToken = accessToken,
RefreshToken = refreshToken,
ExpiresIn = expiresIn
});
}
}
/// <summary>
/// Validates whether accessToken must be refreshed
/// </summary>
/// <param name="session">Session token to validate</param>
/// <returns>Returns the status of the token (Valid, Invalid, etc.)</returns>
public static LoginResult GetTokenValidation(SessionToken session)
{
var payload = JwtPayloadDecode.GetPayload(session.ID);
var json = Json.ParseJson(payload);
var expTimestamp = long.Parse(json.Properties["exp"].StringValue);
var now = DateTime.Now;
var tokenExp = UnixTimeStampToDateTime(expTimestamp);
if (Settings.DebugMessages)
{
ConsoleIO.WriteLine("Access token expiration time is " + tokenExp.ToString());
}
if (now < tokenExp)
{
// Still valid
return(LoginResult.Success);
}
else
{
// Token expired
return(LoginResult.LoginRequired);
}
}