127 lines
3.2 KiB
JavaScript
127 lines
3.2 KiB
JavaScript
"use strict";
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var PromiseA = require('bluebird').Promise;
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var ifaces = require('os').networkInterfaces();
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var dns = PromiseA.promisifyAll(require('dns'));
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var https = require('https');
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function getExternalAddresses() {
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var iftypes = {};
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Object.keys(ifaces).forEach(function (ifname) {
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ifaces[ifname].forEach(function (iface) {
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if (iface.internal) {
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return;
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}
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/*
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if (/^(::|f[cde])/.test(iface.address)) {
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console.log('non-public ipv6');
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return;
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}
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*/
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iftypes[iface.family] = true;
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});
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});
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var now = Date.now();
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return PromiseA.all([
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dns.lookupAsync('api.ipify.org', { family: 4/*, all: true*/ }).then(function (ans) {
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iftypes.IPv4 = { address: ans[0], family: ans[1], time: Date.now() - now };
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}).error(function () {
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//console.log('no ipv4', Date.now() - now);
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iftypes.IPv4 = false;
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})
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, dns.lookupAsync('api.ipify.org', { family: 6/*, all: true*/ }).then(function (ans) {
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iftypes.IPv6 = { address: ans[0], family: ans[1], time: Date.now() - now };
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}).error(function () {
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//console.log('no ipv6', Date.now() - now);
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iftypes.IPv6 = false;
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})
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]).then(function () {
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var requests = [];
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if (iftypes.IPv4) {
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requests.push(new PromiseA(function (resolve) {
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var req = https.request({
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method: 'GET'
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, hostname: iftypes.IPv4.address
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, port: 443
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, headers: {
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Host: 'api.ipify.org'
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}
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, path: '/'
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//, family: 4
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// TODO , localAddress: <<external_ipv4>>
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}, function (res) {
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var result = '';
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res.on('error', function (/*err*/) {
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resolve(null);
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});
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res.on('data', function (chunk) {
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result += chunk.toString('utf8');
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});
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res.on('end', function () {
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resolve({ address: result, family: 4/*, wan: result === iftypes.IPv4.localAddress*/, time: iftypes.IPv4.time });
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});
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});
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req.on('error', function () {
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resolve(null);
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});
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req.end();
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}));
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}
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if (iftypes.IPv6) {
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requests.push(new PromiseA(function (resolve) {
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var req = https.request({
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method: 'GET'
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, hostname: iftypes.IPv6.address
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, port: 443
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, headers: {
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Host: 'api.ipify.org'
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}
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, path: '/'
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//, family: 6
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// TODO , localAddress: <<external_ipv6>>
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}, function (res) {
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var result = '';
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res.on('error', function (/*err*/) {
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resolve(null);
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});
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res.on('data', function (chunk) {
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result += chunk.toString('utf8');
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});
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res.on('end', function () {
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resolve({ address: result, family: 6/*, wan: result === iftypes.IPv6.localAaddress*/, time: iftypes.IPv4.time });
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});
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});
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req.on('error', function () {
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resolve(null);
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});
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req.end();
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}));
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}
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return PromiseA.all(requests).then(function (ips) {
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ips = ips.filter(function (ip) {
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return ip;
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});
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return {
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addresses: ips
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, time: Date.now() - now
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};
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});
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});
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}
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exports.getExternalAddresses = getExternalAddresses;
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