@aikidosec/firewall/instrument/index.js

Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable no-console */
const mod = require("node:module");
const shouldEnableFirewall_1 = require("../helpers/shouldEnableFirewall");
const isFirewallSupported_1 = require("../helpers/isFirewallSupported");
const protect_1 = require("../agent/protect");
const isNewHookSystemUsed_1 = require("../agent/isNewHookSystemUsed");
const indexImportGuard_1 = require("../helpers/indexImportGuard");
const node_worker_threads_1 = require("node:worker_threads");
(0, isNewHookSystemUsed_1.setIsNewHookSystemUsed)(true);
const isSupported = (0, isFirewallSupported_1.default)();
const shouldEnable = (0, shouldEnableFirewall_1.default)();
const notAlreadyImported = (0, indexImportGuard_1.checkIndexImportGuard)();
function start() {
    if (!isSupported || !shouldEnable || !notAlreadyImported) {
        return;
    }
    if (!("registerHooks" in mod) || typeof mod.registerHooks !== "function") {
        console.error("AIKIDO: Error: Zen requires that your Node.js version supports the `module.registerHooks` API. Please upgrade to a newer version of Node.js.");
        return;
    }
    if (!node_worker_threads_1.isMainThread) {
        console.warn("AIKIDO: Zen does not instrument worker threads. Zen will only be active in the main thread.");
        return;
    }
    console.warn("AIKIDO: The new instrumentation system with ESM support is still under active development and not suitable for production use.");
    (0, protect_1.protectWithNewInstrumentation)();
}
start();