Separated laravel app to its own folder (#540)

api/app/Http/Middleware/SelfHostedCredentialsMiddleware.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Illuminate\Support\Facades\Cache;
+use App\Models\User;
+
+class SelfHostedCredentialsMiddleware
+{
+    public const ALLOWED_ROUTES = [
+        'login',
+        'credentials.update',
+        'user.current',
+        'logout',
+    ];
+
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        if (app()->environment('testing')) {
+            return $next($request);
+        }
+
+        if (in_array($request->route()->getName(), self::ALLOWED_ROUTES)) {
+            return $next($request);
+        }
+
+        if (
+            config('app.self_hosted') &&
+            $request->user() &&
+            !$this->isInitialSetupComplete()
+        ) {
+            return response()->json([
+                'message' => 'You must change your credentials when in self-hosted mode',
+                'type' => 'error',
+            ], Response::HTTP_FORBIDDEN);
+        }
+
+        return $next($request);
+    }
+
+    private function isInitialSetupComplete(): bool
+    {
+        return (bool) Cache::remember('initial_user_setup_complete', 60 * 60, function () {
+            $maxUserId = $this->getMaxUserId();
+            if ($maxUserId === 0) {
+                return false;
+            }
+            return !User::where('email', 'admin@opnform.com')->exists();
+        });
+    }
+
+    private function getMaxUserId(): int
+    {
+        return (int) Cache::remember('max_user_id', 60 * 60, function () {
+            return User::max('id') ?? 0;
+        });
+    }
+}