protected void CheckIfSessionIsStillValid()
{
_session = UserAuthentication.ValidateSession(_session.Principal.Identity.Name, _session.SessionToken.Id);
_lastSessionCheckTicks = Environment.TickCount;
if (Platform.IsLogLevelEnabled(LogLevel.Debug))
{
Platform.Log(LogLevel.Debug, "Session {0} for user {1} is still valid. Will expire on {2}", _session.SessionToken.Id, _session.Principal.Identity.Name, _session.SessionToken.ExpiryTime);
}
}
protected void EnsureSessionIsValid()
{
if (_session == null)
{
return;
}
bool nearExpiry = Platform.Time.Add(TimeSpan.FromMinutes(SessionRenewalOffsetMinutes)) > _session.SessionToken.ExpiryTime;
TimeSpan timeSinceLastCheck = TimeSpan.FromMilliseconds(Environment.TickCount - _lastSessionCheckTicks);
if (nearExpiry || timeSinceLastCheck > _sessionPollingIntervalSeconds)
{
_lastSessionCheckTicks = Environment.TickCount;
_session = UserAuthentication.RenewSession(_session);
OnSessionRenewed();
}
}
/// <summary>
/// Renew the specified <see cref="UserSessionInfo"/>
/// </summary>
/// <param name="session"></param>
/// <returns></returns>
/// <remarks>
/// <paramref name="session"/> is deemed invalid once this method returns and should be discarded.
/// </remarks>
static public UserSessionInfo RenewSession(UserSessionInfo session)
{
if (_logStuff)
{
string message = String.Format("Renewing user session (username={0}, session={1}).", session.Principal.Identity.Name, session.SessionToken.Id);
//Console.WriteLine(message);
Platform.Log(LogLevel.Debug, message);
}
var newSession = _instance.RenewSession(session);
// double check
if (newSession == null || newSession.SessionToken == null || newSession.SessionToken.ExpiryTime < Platform.Time)
{
throw new Exception("Unexpected Error: Session was renewed but invalid");
}
return(newSession);
}
private void AuthenticateUser(StartApplicationRequest request)
{
_userName = request.Username;
if (!String.IsNullOrEmpty(request.SessionId))
{
IsSessionShared = request.IsSessionShared;
}
_session = UserAuthentication.ValidateSession(request.Username, request.SessionId);
if (_session == null)
{
return;
}
if (_session.Principal != null)
{
Thread.CurrentPrincipal = Principal = _session.Principal;
}
}
static public void Logout(UserSessionInfo session)
{
string username = session.Principal.Identity.Name;
if (_logStuff)
{
string message = String.Format("Attempting to log out (username={0}, session={1}).", username, session.SessionToken.Id);
Platform.Log(LogLevel.Debug, message);
}
try
{
_instance.Logout(session);
if (_logStuff)
{
Platform.Log(LogLevel.Info, "Successfully logged out (username={0}, session={1}).", username, session.SessionToken.Id);
}
}
catch (Exception e)
{
Platform.Log(LogLevel.Warn, e, "Failed to log out (user={0}, session={1}).", username, session.SessionToken.Id);
}
}