Files
cloudron-box/src/dns/wildcard.js
2018-09-11 21:41:50 -07:00

80 lines
3.4 KiB
JavaScript

'use strict';
exports = module.exports = {
upsert: upsert,
get: get,
del: del,
waitForDns: require('./waitfordns.js'),
verifyDnsConfig: verifyDnsConfig
};
var assert = require('assert'),
debug = require('debug')('box:dns/manual'),
dns = require('../native-dns.js'),
DomainsError = require('../domains.js').DomainsError,
sysinfo = require('../sysinfo.js'),
util = require('util');
function upsert(dnsConfig, zoneName, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert(util.isArray(values));
assert.strictEqual(typeof callback, 'function');
debug('upsert: %s for zone %s of type %s with values %j', subdomain, zoneName, type, values);
return callback(null);
}
function get(dnsConfig, zoneName, subdomain, type, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert.strictEqual(typeof callback, 'function');
callback(null, [ ]); // returning ip confuses apptask into thinking the entry already exists
}
function del(dnsConfig, zoneName, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert(util.isArray(values));
assert.strictEqual(typeof callback, 'function');
return callback();
}
function verifyDnsConfig(dnsConfig, domain, zoneName, ip, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof domain, 'string');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof ip, 'string');
assert.strictEqual(typeof callback, 'function');
// Very basic check if the nameservers can be fetched
dns.resolve(zoneName, 'NS', { timeout: 5000 }, function (error, nameservers) {
if (error && error.code === 'ENOTFOUND') return callback(new DomainsError(DomainsError.BAD_FIELD, 'Unable to resolve nameservers for this domain'));
if (error || !nameservers) return callback(new DomainsError(DomainsError.BAD_FIELD, error ? error.message : 'Unable to get nameservers'));
const separator = dnsConfig.hyphenatedSubdomains ? '-' : '.';
const fqdn = `cloudrontest${separator}${domain}`;
dns.resolve(fqdn, 'A', { server: '127.0.0.1', timeout: 5000 }, function (error, result) {
if (error && error.code === 'ENOTFOUND') return callback(new DomainsError(DomainsError.BAD_FIELD, `Unable to resolve ${fqdn}`));
if (error || !result) return callback(new DomainsError(DomainsError.BAD_FIELD, error ? error.message : `Unable to resolve ${fqdn}`));
sysinfo.getPublicIp(function (error, ip) {
if (error) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Failed to detect IP of this server: ${error.message}`));
if (result.length !== 1 || ip !== result[0]) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Domain resolves to ${JSON.stringify(result)} instead of ${ip}`));
callback(null, {});
});
});
});
}