Add all files

app/Http/Middleware/EnsureUserHasPermissions.php

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+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureUserHasPermissions
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next, string $permission): Response
+    {
+        if (!$request->user()->hasPermission($permission)) {
+            return abort(403);
+        }
+
+        return $next($request);
+    }
+}