public static bool TryParse(string tokenText, out RequestToken token)
{
token = null;
if(string.IsNullOrEmpty(tokenText))
return false;
string textToDecypt = HttpUtility.UrlDecode(tokenText);
string[] vector = null;
if (!SSOEncrypt.TryParseVector(textToDecypt, out vector))
return false;
if (vector.Length != 3)
return false;
string returnUrl = vector[0];
DateTime timeStamp = Convert.ToDateTime(vector[1]);
string seed = vector[2];
token = new RequestToken(returnUrl, timeStamp, seed);
return true;
}
public static void RedirectToLogon()
{
string returnUrl = HttpContext.Current.Request.Url.ToString();
RequestToken token = new RequestToken(
returnUrl,
DateTime.Now,
NextSeed());
string authUrl = ConfigurationManager.AppSettings[Constants.AuthUrl];
string redirectUrl = string.Format("{0}?{1}={2}", authUrl, Constants.RequestToken, token.Encode());
Response.Redirect(redirectUrl);
}