public ClientAssertion(string subject, string audience)
{
Subject = subject;
Issuer = subject;
Audience = audience;
JwtId = Guid.NewGuid().ToString("N");
IssuedAt = DateTime.UtcNow;
Expiration = IssuedAt.AddSeconds(30);
}
public DateTime CalculateExpiration()
{
return(IssuedAt
.AddSeconds(ExpiresIn)
.AddMinutes(-ExpiryBuffer));
}
/// <summary>
/// Returns true if the token will expired based on the current system clock and the calculated <see cref="ExpiresAt"/> value.
/// </summary>
public bool IsExpiring()
{
return(DateTime.Now >= IssuedAt.AddSeconds(ExpiresIn / 90d));
}
/// <summary>
/// Determine whether the token has expired
/// </summary>
/// <param name="time"></param>
/// <returns></returns>
public bool IsExpired(DateTimeOffset time)
{
return(IssuedAt.AddSeconds(ExpiresIn) < time);
}