/// <summary>
/// Verify that the supplied DeviceAuthenticationTicket exists in the ticket store
/// </summary>
/// <param name="ticket">The DeviceAuthenticationTicket to verify</param>
/// <returns>
/// True if the ticket exists in the ticket store and the properties of that
/// ticket match the properties of the ticket in the ticket store.
/// </returns>
public override bool VerifyTicket(DeviceAuthenticationTicket ticket)
{
if (ticket == null)
{
throw new ArgumentNullException("ticket", "DeviceAuthenticationTicket parameter cannot be null.");
}
string incomingTicket = ticket.Key;
DeviceAuthenticationTicket cacheAuthTicket = GetTicket(incomingTicket);
if (cacheAuthTicket != null)
{
string cacheTicket = cacheAuthTicket.Key;
if (cacheTicket == incomingTicket)
{
// TODO: See how to handle this. For now, just return true
// if (string.Compare(cacheAuthTicket.HostAddress, ticket.HostAddress, StringComparison.OrdinalIgnoreCase) != 0)
// {
// return false;
// }
return true;
}
}
else
{
return false;
}
return false;
}
/// <summary>
/// Updates the expiration date and time for an existing ticket. If the ticket does
/// not exist in the ticket store, just return (do not throw an exception).
/// </summary>
/// <param name="ticket">The DeviceAuthenticationTicket to insert</param>
/// <param name="newExpiration">The new expiration date and time</param>
/// <exception cref="ArgumentNullException">DeviceAuthenticationTicket is null</exception>
public override void UpdateTicketExpiration(DeviceAuthenticationTicket ticket, DateTime newExpiration)
{
if (ticket == null)
{
throw new ArgumentNullException("ticket", "DeviceAuthenticationTicket parameter cannot be null.");
}
RevokeTicket(ticket.Key);
InsertTicket(ticket, newExpiration);
}
/// <summary>
/// Inserts a DeviceAuthenticationTicket to the ticket store with a corresponding
/// ticket expiration date.
/// </summary>
/// <param name="ticket">The DeviceAuthenticationTicket to insert</param>
/// <param name="expiration">The date and time at which the ticket expires</param>
/// <exception cref="ArgumentNullException">DeviceAuthenticationTicket is null</exception>
public override void InsertTicket(DeviceAuthenticationTicket ticket, DateTime expiration)
{
if (ticket == null)
{
throw new ArgumentNullException("ticket", "DeviceAuthenticationTicket parameter cannot be null.");
}
// Don't enforce sliding expiration on the cache entry. Sliding expiration
// is handled by the HttpModule
HttpContext.Current.Cache.Insert(GetCacheKey(ticket.Key), ticket, null, expiration, Cache.NoSlidingExpiration);
}
public abstract bool VerifyTicket(DeviceAuthenticationTicket ticket);
public abstract void UpdateTicketExpiration(DeviceAuthenticationTicket ticket, DateTime newExpiration);
public abstract void InsertTicket(DeviceAuthenticationTicket ticket, DateTime expiration);
