init

app/Http/Controllers/Controller.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace App\Http\Controllers;
+
+abstract class Controller {}

app/Http/Middleware/CreateClientTokenMiddlewire.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class CreateClientTokenMiddlewire
+{
+    public function handle(Request $request, \Closure $next): Response
+    {
+        $token = $this->createGuestToken($request);
+        $request->merge(['clientToken' => $token]);
+        return $next($request);
+    }
+
+    public function createGuestToken(Request $request)
+    {
+        return sha1($request->ip() . $request->header('User-Agent'));
+    }
+}