Initial commit

app/Http/Middleware/MaintenanceMiddleware.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Symfony\Component\HttpFoundation\Response;
+use Throwable;
+
+class MaintenanceMiddleware
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $isPostRequest = $request->method() === 'POST';
+        $isMaintenanceRequest = $request->is('maintenance');
+        $maintenanceEnabled = $this->getMaintenanceEnabled();
+        $isPreview = $request->query('preview') === '1';
+        $minRank = $this->getMinMaintenanceRank();
+
+        $fortify2faRoutes = [
+            'two-factor.login',
+            'two-factor.confirm',
+        ];
+
+        if ($maintenanceEnabled && $isPostRequest && ! Auth::check()) {
+            return $next($request);
+        }
+
+        $route = $request->route();
+        $routeName = $route?->getName();
+        $isFortify2faRoute = in_array($routeName, $fortify2faRoutes, true);
+
+        if ($maintenanceEnabled && $isFortify2faRoute) {
+            return $next($request);
+        }
+
+        $isStaff = Auth::check() && Auth::user()->rank >= $minRank;
+
+        if ($isStaff) {
+            if ($isMaintenanceRequest && ! $isPreview) {
+                return to_route('me.show');
+            }
+
+            return $next($request);
+        }
+
+        if ($maintenanceEnabled && ! $isMaintenanceRequest && ! $isPostRequest) {
+            return to_route('maintenance.show');
+        }
+
+        if (! $maintenanceEnabled && $isMaintenanceRequest && ! $isPostRequest && ! $isPreview) {
+            return to_route('welcome');
+        }
+
+        return $next($request);
+    }
+
+    private function getMaintenanceEnabled(): bool
+    {
+        try {
+            return (bool) setting('maintenance_enabled');
+        } catch (Throwable) {
+            return false;
+        }
+    }
+
+    private function getMinMaintenanceRank(): int
+    {
+        try {
+            return (int) setting('min_maintenance_login_rank', 1);
+        } catch (Throwable) {
+            return 1;
+        }
+    }
+}