forest-express/dist/utils/get-ip-from-request.js

Official package for all Forest Express Lianas

"use strict";

var ipAddr = require('ipaddr.js');
var ipRegex = require('ip-regex');
function getIpFromRequest(request) {
  /** @type {string} */
  var forwardedAddresses = request.headers['x-forwarded-for'];
  var parsedIps = forwardedAddresses === null || forwardedAddresses === void 0 ? void 0 : forwardedAddresses.match(ipRegex());
  if (parsedIps !== null && parsedIps !== void 0 && parsedIps.length) {
    // If the ip chain contains multiple IPs, the last public IP from the chain is the only
    // one we can trust and it corresponds to real IP that contacted our own reverse proxy
    return parsedIps.reverse().map(function (address) {
      return address.trim();
    }).find(function (address) {
      return ipAddr.parse(address).range() !== 'private';
    });
  }
  return request.connection.remoteAddress;
}
module.exports = getIpFromRequest;