goldilocks.js/lib/ddns.js

89 lines
2.4 KiB
JavaScript

'use strict';
module.exports.create = function (opts/*, servers*/) {
var PromiseA = opts.PromiseA;
var dns = PromiseA.promisifyAll(require('dns'));
return PromiseA.all([
dns.resolve4Async(opts.servername).then(function (results) {
return results;
}, function () {})
, dns.resolve6Async(opts.servername).then(function (results) {
return results;
}, function () {})
]).then(function (results) {
var ipv4 = results[0] || [];
var ipv6 = results[1] || [];
var record;
opts.dnsRecords = {
A: ipv4
, AAAA: ipv6
};
Object.keys(opts.ifaces).some(function (ifacename) {
var iface = opts.ifaces[ifacename];
return iface.ipv4.some(function (localIp) {
return ipv4.some(function (remoteIp) {
if (localIp.address === remoteIp) {
record = localIp;
return record;
}
});
}) || iface.ipv6.some(function (localIp) {
return ipv6.forEach(function (remoteIp) {
if (localIp.address === remoteIp) {
record = localIp;
return record;
}
});
});
});
if (!record) {
console.info("DNS Record '" + ipv4.concat(ipv6).join(',') + "' does not match any local IP address.");
console.info("Use --ddns to allow the people of the Internet to access your server.");
}
opts.externalIps.ipv4.some(function (localIp) {
return ipv4.some(function (remoteIp) {
if (localIp.address === remoteIp) {
record = localIp;
return record;
}
});
});
opts.externalIps.ipv6.some(function (localIp) {
return ipv6.some(function (remoteIp) {
if (localIp.address === remoteIp) {
record = localIp;
return record;
}
});
});
if (!record) {
console.info("DNS Record '" + ipv4.concat(ipv6).join(',') + "' does not match any local IP address.");
console.info("Use --ddns to allow the people of the Internet to access your server.");
}
});
};
if (require.main === module) {
var opts = {
servername: 'aj.daplie.me'
, PromiseA: require('bluebird')
};
// ifaces
opts.ifaces = require('./local-ip.js').find();
console.log('opts.ifaces');
console.log(opts.ifaces);
require('./match-ips.js').match(opts.servername, opts).then(function (ips) {
opts.matchingIps = ips.matchingIps || [];
opts.externalIps = ips.externalIps;
module.exports.create(opts);
});
}