@aikidosec/firewall/helpers/isPreloaded.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 });
exports.isPreloaded = isPreloaded;
/**
 * Checks whever the args include --require / -r or --import @aikidosec/firewall
 * Also checks NODE_OPTIONS.
 */
function isPreloaded() {
    const processArgs = process.execArgv;
    if (checkArgsForPreload(processArgs)) {
        return true;
    }
    const nodeOptions = process.env.NODE_OPTIONS;
    if (nodeOptions) {
        const nodeOptionsArgs = nodeOptions.split(" ");
        if (checkArgsForPreload(nodeOptionsArgs)) {
            return true;
        }
    }
    return false;
}
function checkArgsForPreload(args) {
    for (const arg of args) {
        if (arg !== "--require" && arg !== "-r" && arg !== "--import") {
            continue;
        }
        const index = args.indexOf(arg);
        if (index === -1 || index === args.length - 1) {
            continue;
        }
        const moduleName = args[index + 1];
        if (moduleName && moduleName.includes("@aikidosec/firewall")) {
            return true;
        }
    }
    return false;
}