public CASAuthenticationService(ShellSettings settings, IClock clock, IContentManager contentManager, IHttpContextAccessor httpContextAccessor, ICasIdentityRetriever casIdentityRetriever) { _settings = settings; _clock = clock; _contentManager = contentManager; _httpContextAccessor = httpContextAccessor; _casIdentityRetriever = casIdentityRetriever; Logger = NullLogger.Instance; ExpirationTimeSpan = TimeSpan.FromDays(30); }