public static long GetCurrentGuestId(this HttpContextBase ctx)
{
bool needRecookie = false;
long guestId = -1;
string guestValue = "-1";
var cookieValue = ctx.Request.Cookies[guest_cookie_name];
if (!string.IsNullOrEmpty(cookieValue?.Value))
{
if (RegexGuestId.IsMatch(cookieValue.Value) && !ConfigSetting.ProtectGuestId)
{
guestValue = cookieValue.Value;
//needRecookie = ProtectGuestId;
}
else if (cookieValue.Value.Length > 40)
{
var unprotected = XnAuthentication.UnprotectData(encryptionKey, validationKey, cookieValue.Value);
if (unprotected != null && RegexGuestId.IsMatch(unprotected))
{
guestValue = unprotected;
needRecookie = !ConfigSetting.ProtectGuestId;
}
}
}
long.TryParse(guestValue, out guestId);
if (guestId > -2)
{
//userId = GuestHandler.GenerateGuestId();
var ipByInt = IpExtenstions.IpToInt(ctx.GetClientIP());
guestValue = String.Format(guestIdFormatter, ipByInt, GetRnd());
guestId = long.Parse(guestValue);
needRecookie = true;
}
if (needRecookie)
{
var newCookieValue = ConfigSetting.ProtectGuestId ? XnAuthentication.ProtectData(encryptionKey, validationKey, guestValue) : guestValue;
var cookie = new HttpCookie(guest_cookie_name, newCookieValue);
var requestDomain = ctx.Request.Url?.Host.Split('.');
if (requestDomain?.Length > 2)
{
cookie.Domain = requestDomain[requestDomain.Length - 2] + "."
+ requestDomain[requestDomain.Length - 1];
}
else
{
#if DEBUG
cookie.Domain = "Xn.dev";
#else
cookie.Domain = "Xn.cn";
#endif
}
cookie.Shareable = false;
cookie.Expires = DateTime.Now.AddYears(5);
ctx.Response.SetCookie(cookie);
}
return(guestId);
}