protected override bool IsAuthorized(HttpActionContext actionContext)
        {
            var req = actionContext.Request;

            var auth = req.Headers.Authorization;

            if (auth != null)
            {
                if (auth.Scheme == "Basic" && !string.IsNullOrEmpty(auth.Parameter))
                {
                    string userName;
                    string password;

                    var gotIt = GetUserNameAndPassword(actionContext, out userName, out password);

                    if (gotIt)
                    {
                        var alloTabibUserServices = (IAlloTabibUserAppServices)
                                                    GlobalConfiguration.Configuration.DependencyResolver.GetService(
                            typeof(IAlloTabibUserAppServices));

                        if (alloTabibUserServices != null)
                        {
                            UnityConfig.OnExecuting();

                            var isAuthenticated = alloTabibUserServices.IsPraticienAuthenticated(userName, password);

                            UnityConfig.OnExecuted();

                            return(isAuthenticated);
                        }
                    }

                    return(false);
                }
            }

            return(false);
        }