VerifyJWTToken.php

  // === Recupero del Token
  $token = JWTAuth::getToken();

     // --- logica del middleware
     try {
         // --- inoltra il token e verifica che sia corretto
         $user = JWTAuth::toUser($token);

     } catch (JWTException $e) {

         if ($e instanceof \Tymon\JWTAuth\Exceptions\TokenExpiredException) {
             return response()->json(['token_expired'], $e->getStatusCode());

         } else if ($e instanceof \Tymon\JWTAuth\Exceptions\TokenInvalidException) {
             return response()->json(['token_invalid'], $e->getStatusCode());

         } else {
             return response()->json(['error' => 'Token obbligatorio']);
         }
     }