AppMetrics.WebUtils.BasicAuthenticationModule.Authenticate C# (CSharp) Method

        static bool Authenticate(HttpContext context)
        {
            if (IsAnonymousAccessAllowed(context.Request))
                return true;

            var authHeader = context.Request.Headers.Get("Authorization");
            if (string.IsNullOrEmpty(authHeader))
                return false;

            var creds = ParseAuthHeader(authHeader);
            if (creds == null)
                return true; // anonymous user

            var principal = TryGetPrincipal(creds);

            context.User = principal;
            return true;
        }