Initial commit

app/Http/Middleware/CheckXenForoPermissions.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class CheckXenForoPermissions
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next, string ...$permissions ): Response
+    {
+        if( !\Auth::check() )
+            return redirect()->to(config('app.forum_url') . '/login' );
+
+        if( empty($permissions) ) // No permissions needed.
+            return $next($request);
+
+        foreach ($permissions as $permissionStr) {
+            [$group, $permission] = explode('.', $permissionStr);
+
+            if( !\Auth::user()->can($group, $permission) )
+                return $this->deny($request, $permission);
+        }
+
+        return $next($request);
+    }
+
+    private function deny(Request $request, string $permission): Response
+    {
+        if($request->expectsJson())
+            return \response()->json(['error' => 'forbidden'], 403);
+
+        return response()->view('pages.forbidden', [
+            'permission' => $permission,
+        ], 403 );
+    }
+}