/// <summary>
/// since expiry time has now become part of your claims, you now can get it back easily
/// this example just returns the remaining time in total seconds, as a string value
/// assuming this method is part of your controller methods
/// </summary>
/// <returns>Get User Identity Expire DateTime</returns>
public static string ExpireRemainingTime(this System.Security.Claims.ClaimsIdentity identity)
{
//var identity = User.Identity as System.Security.Claims.ClaimsIdentity;
var claimType = Properties.Settings.Default.LoginExpireClaimType;
if (identity != null && identity.HasClaim(c => c.Type == claimType))
{
var expireOn = identity.FindFirstValue(claimType);
long current = DateTime.Now.Ticks;
long?expire = long.Parse(expireOn);
long elapsedTicks = (expire ?? 0) - current;
TimeSpan elapsedSpan = new TimeSpan(elapsedTicks);
var remaining = (int)elapsedSpan.TotalMilliseconds;
return(remaining.ToString());
}
return(string.Empty);
}