Update Authenticate middleware to match Laravel 5.7

app/Http/Kernel.php

@@ -14,7 +14,7 @@ class Kernel extends HttpKernel
      * @var array
      */
     protected $middleware = [
-        \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,
+        \App\Http\Middleware\CheckForMaintenanceMode::class,
         \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
         \App\Http\Middleware\TrimStrings::class,
         \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
@@ -51,7 +51,7 @@ class Kernel extends HttpKernel
      * @var array
      */
     protected $routeMiddleware = [
-        'auth' => \Illuminate\Auth\Middleware\Authenticate::class,
+        'auth' => \App\Http\Middleware\Authenticate::class,
         'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
         'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
         'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,

app/Http/Middleware/Authenticate.php

@@ -2,29 +2,18 @@
 
 namespace App\Http\Middleware;
 
-use Closure;
-use Illuminate\Support\Facades\Auth;
+use Illuminate\Auth\Middleware\Authenticate as Middleware;
 
-class Authenticate
+class Authenticate extends Middleware
 {
     /**
-     * Handle an incoming request.
+     * Get the path the user should be redirected to when they are not authenticated.
      *
      * @param  \Illuminate\Http\Request  $request
-     * @param  \Closure  $next
-     * @param  string|null  $guard
-     * @return mixed
+     * @return string
      */
-    public function handle($request, Closure $next, $guard = null)
+    protected function redirectTo($request)
     {
-        if (Auth::guard($guard)->guest()) {
-            if ($request->ajax() || $request->wantsJson()) {
-                return response('Unauthorized.', 401);
-            } else {
-                return redirect()->guest('login');
-            }
-        }
-
-        return $next($request);
+        return route('login');
     }
 }