How to use the isPrivate function from ip

HttpFlow.js

GitHub: firewalla/firewalla

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const host = obj.host;
const uri = obj.uri;
let localIP = null;
let flowDirection = null;

if (iptool.isPrivate(srcIP) && iptool.isPrivate(destIP))
  return;

let intf = sysManager.getInterfaceViaIP(srcIP);
if (intf) {

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BroDetect.js

GitHub: firewalla/firewalla

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if (obj["qtype_name"] === "PTR") {
  // reverse DNS query, the IP address is in the query parameter, the domain is in the answers
  if (obj["query"].endsWith(".in-addr.arpa")) {
    // ipv4 reverse DNS query
    const address = obj["query"].substring(0, obj["query"].length - ".in-addr.arpa".length).split('.').reverse().join('.');
    if (!address || !iptool.isV4Format(address) || iptool.isPrivate(address))
      return;
    const domains = obj["answers"].filter(answer => !firewalla.isReservedBlockingIP(answer) && !iptool.isV4Format(answer) && !iptool.isV6Format(answer) && isDomainValid(answer)).map(answer => formulateHostname(answer));
    if (domains.length == 0)
      return;

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app.cjs

GitHub: drelocatelli/superMarioBrosOnline

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}).then(response => {
  return res.json(
    {
      publicIp: response.data.ip, 
      privateIp: ip.address(),
      isPrivate: ip.isPrivate(response.data.ip)
    });

}).catch(err => {
  console.log(err)

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validation.service.ts

GitHub: neighbourwang/angular

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isIPMask(val: any): boolean {
    const reg = /^(((128|192|224|240|248|252|254)\.0\.0\.0)|(255\.(0|128|192|224|240|248|252|254)\.0\.0)|(255\.255\.(0|128|192|224|240|248|252|254)\.0)|(255\.255\.255\.(0|128|192|224|240|248|252|254)))$/
    return reg.test(val);
}

//console.log("127.0.0.1 is private network?", ip.isPrivate('127.0.0.1'));
//let str = ip.cidrSubnet('192.168.1.134/26');
//console.log(str)
isCIDR(val: any): boolean {
    let str = val.split('/');

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index.js

GitHub: bbharathkumarreddy/ip-dash

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 * Tests if input is an IP address is a private ip address.
 * @param {string} ip
 * @returns {boolean}
 */
ipDash.isPrivateIP = function (ip) {
  return nodeIp.isPrivate(ip);
};


/**
 * Tests if input is an IP address is a public ip address.

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index.js

GitHub: Orloxx23/TaplyDesktop

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// We get the user's IP
function getUserIp() {
  const ethernetIp = osIp.networkInterfaces()['Ethernet'];
  const wifiIp = osIp.networkInterfaces()['Wi-Fi'];


  if (wifiIp && ip.isPrivate(wifiIp[1].address)) {
    userIp = wifiIp[1].address;
  }


  if (ethernetIp && ip.isPrivate(ethernetIp[1].address)) {

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index.js

GitHub: keybas-engineering/pkgcloud

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//
// ### function isPrivate (addr)
// Determines if an IP address is private.
//
exports.isPrivate = ip.isPrivate;


//
// ### function isPublic (addr)
// Determines if an IP address is public.

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index.js

GitHub: haozero99/Internet-limit

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if (options.trustedHeaderSequence instanceof Array) {
  trustedHeaderSequence = options.trustedHeaderSequence.map(c => c.toLowerCase());
}

function checkWhitelist(ipToCheck) {
  return options.whitelist.has(ipToCheck) || (options.allowPrivate && ip.isPrivate(ipToCheck));
}

function checkBlacklist(ipToCheck) {
  return !options.blacklist.has(ipToCheck);

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