myIpAddress.js
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/**
* Module dependencies.
*/
var net = require('net');
/**
* Module exports.
*/
module.exports = myIpAddress;
myIpAddress.async = true;
/**
* Returns the IP address of the host that the Navigator is running on, as
* a string in the dot-separated integer format.
*
* Example:
*
* ``` js
* myIpAddress()
* // would return the string "198.95.249.79" if you were running the
* // Navigator on that host.
* ```
*
* @return {String} external IP address
*/
function myIpAddress (fn) {
// 8.8.8.8:53 is "Google Public DNS":
// https://developers.google.com/speed/public-dns/
var socket = net.connect({ host: '8.8.8.8', port: 53 });
socket.once('error', fn);
socket.once('connect', function () {
socket.removeListener('error', fn);
var ip = socket.address().address;
socket.destroy();
fn(null, ip);
});
}