Базовая версия сервера API с авторизацией по протоколу OAuth2

app/Http/Middleware/RedirectIfAuthenticated.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use App\Providers\RouteServiceProvider;
+use Closure;
+use Illuminate\Support\Facades\Auth;
+
+class RedirectIfAuthenticated
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @param  string|null  $guard
+     * @return mixed
+     */
+    public function handle($request, Closure $next, $guard = null)
+    {
+        if (Auth::guard($guard)->check()) {
+            return redirect(RouteServiceProvider::HOME);
+        }
+
+        return $next($request);
+    }
+}