Files
cloudron-box/src/dns/namecom.js
2018-05-24 09:41:52 -07:00

244 lines
9.6 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/namecom'),
dns = require('../native-dns.js'),
safe = require('safetydance'),
DomainsError = require('../domains.js').DomainsError,
superagent = require('superagent');
const NAMECOM_API = 'https://api.name.com/v4';
function formatError(response) {
return `Name.com DNS error [${response.statusCode}] ${response.text}`;
}
function addRecord(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(Array.isArray(values));
assert.strictEqual(typeof callback, 'function');
debug(`add: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
var data = {
host: subdomain,
type: type,
ttl: 300 // 300 is the lowest
};
if (type === 'MX') {
data.priority = parseInt(values[0].split(' ')[0], 10);
data.answer = values[0].split(' ')[1];
} else {
data.answer = values[0];
}
superagent.post(`${NAMECOM_API}/domains/${zoneName}/records`)
.auth(dnsConfig.username, dnsConfig.token)
.timeout(30 * 1000)
.send(data)
.end(function (error, result) {
if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
return callback(null, 'unused-id');
});
}
function updateRecord(dnsConfig, zoneName, recordId, subdomain, type, values, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof recordId, 'number');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert(Array.isArray(values));
assert.strictEqual(typeof callback, 'function');
debug(`update:${recordId} on ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
var data = {
host: subdomain,
type: type,
ttl: 300 // 300 is the lowest
};
if (type === 'MX') {
data.priority = parseInt(values[0].split(' ')[0], 10);
data.answer = values[0].split(' ')[1];
} else {
data.answer = values[0];
}
superagent.put(`${NAMECOM_API}/domains/${zoneName}/records/${recordId}`)
.auth(dnsConfig.username, dnsConfig.token)
.timeout(30 * 1000)
.send(data)
.end(function (error, result) {
if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
return callback(null, 'unused-id');
});
}
function getInternal(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');
subdomain = subdomain || '@';
debug(`getInternal: ${subdomain} in zone ${zoneName} of type ${type}`);
superagent.get(`${NAMECOM_API}/domains/${zoneName}/records`)
.auth(dnsConfig.username, dnsConfig.token)
.timeout(30 * 1000)
.end(function (error, result) {
if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
// name.com does not return the correct content-type
result.body = safe.JSON.parse(result.text);
if (!result.body.records) result.body.records = [];
result.body.records.forEach(function (r) {
// name.com api simply strips empty properties
r.host = r.host || '@';
});
var results = result.body.records.filter(function (r) {
return (r.host === subdomain && r.type === type);
});
debug('getInternal: %j', results);
return callback(null, results);
});
}
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(Array.isArray(values));
assert.strictEqual(typeof callback, 'function');
subdomain = subdomain || '@';
debug(`upsert: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
if (error) return callback(error);
if (result.length === 0) return addRecord(dnsConfig, zoneName, subdomain, type, values, callback);
return updateRecord(dnsConfig, zoneName, result[0].id, subdomain, type, values, callback);
});
}
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');
getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
if (error) return callback(error);
var tmp = result.map(function (record) { return record.answer; });
debug('get: %j', tmp);
return callback(null, tmp);
});
}
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(Array.isArray(values));
assert.strictEqual(typeof callback, 'function');
subdomain = subdomain || '@';
debug(`del: ${subdomain} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
getInternal(dnsConfig, zoneName, subdomain, type, function (error, result) {
if (error) return callback(error);
if (result.length === 0) return callback();
superagent.del(`${NAMECOM_API}/domains/${zoneName}/records/${result[0].id}`)
.auth(dnsConfig.username, dnsConfig.token)
.timeout(30 * 1000)
.end(function (error, result) {
if (error && !error.response) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, `Network error ${error.message}`));
if (result.statusCode === 403) return callback(new DomainsError(DomainsError.ACCESS_DENIED, formatError(result)));
if (result.statusCode !== 200) return callback(new DomainsError(DomainsError.EXTERNAL_ERROR, formatError(result)));
return callback(null);
});
});
}
function verifyDnsConfig(dnsConfig, fqdn, zoneName, ip, callback) {
assert.strictEqual(typeof dnsConfig, 'object');
assert.strictEqual(typeof fqdn, 'string');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof ip, 'string');
assert.strictEqual(typeof callback, 'function');
var credentials = {
username: dnsConfig.username,
token: dnsConfig.token
};
if (process.env.BOX_ENV === 'test') return callback(null, credentials); // this shouldn't be here
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'));
if (!nameservers.every(function (n) { return n.toLowerCase().indexOf('.name.com') !== -1; })) {
debug('verifyDnsConfig: %j does not contain Name.com NS', nameservers);
return callback(new DomainsError(DomainsError.BAD_FIELD, 'Domain nameservers are not set to Name.com'));
}
const testSubdomain = 'cloudrontestdns';
upsert(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error, changeId) {
if (error) return callback(error);
debug('verifyDnsConfig: Test A record added with change id %s', changeId);
del(dnsConfig, zoneName, testSubdomain, 'A', [ ip ], function (error) {
if (error) return callback(error);
debug('verifyDnsConfig: Test A record removed again');
callback(null, credentials);
});
});
});
}