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add bunny

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This commit is contained in:
Girish Ramakrishnan
2023-04-21 10:39:11 +02:00
parent f24e8b7132
commit a846dc5bf1
10 changed files with 286 additions and 3 deletions
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254
src/dns/bunny.js Normal file
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'use strict';
exports = module.exports = {
removePrivateFields,
injectPrivateFields,
upsert,
get,
del,
wait,
verifyDomainConfig
};
const assert = require('assert'),
BoxError = require('../boxerror.js'),
constants = require('../constants.js'),
debug = require('debug')('box:dns/bunny'),
dig = require('../dig.js'),
dns = require('../dns.js'),
safe = require('safetydance'),
superagent = require('superagent'),
waitForDns = require('./waitfordns.js');
const BUNNY_API = 'https://api.bunny.net';
const RECORD_TYPES = [ 'A', 'AAAA', 'CNAME', 'TXT', 'MX', 'RDR', '???', 'PZ', 'SRV', 'CAA', 'PTR', 'SCR', 'NS' ];
function recordTypeToString(value) {
return RECORD_TYPES[value];
}
function recordTypeToInt(value) {
return RECORD_TYPES.indexOf(value);
}
function formatError(response) {
return `Bunny DNS error ${response.statusCode} ${JSON.stringify(response.body)}`;
}
function removePrivateFields(domainObject) {
domainObject.config.accessKey = constants.SECRET_PLACEHOLDER;
return domainObject;
}
function injectPrivateFields(newConfig, currentConfig) {
if (newConfig.accessKey === constants.SECRET_PLACEHOLDER) newConfig.accessKey = currentConfig.accessKey;
}
async function getZoneId(domainConfig, zoneName) {
assert.strictEqual(typeof domainConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
const [error, response] = await safe(superagent.get(`${BUNNY_API}/dnszone?page=1&perPage=1000&search=${zoneName}`)
.set('AccessKey', domainConfig.accessKey)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
if (error) throw new BoxError(BoxError.NETWORK_ERROR, error.message);
if (response.statusCode === 401) throw new BoxError(BoxError.ACCESS_DENIED, formatError(response));
if (response.statusCode !== 200) throw new BoxError(BoxError.EXTERNAL_ERROR, formatError(response));
if (!Array.isArray(response.body.Items)) throw new BoxError(BoxError.EXTERNAL_ERROR, `Invalid records in response: ${JSON.stringify(response.body)}`);
const item = response.body.Items.filter(item => item.Domain === zoneName);
if (item.length === 0) throw new BoxError(BoxError.NOT_FOUND, 'Domain not found');
return item[0].Id;
}
async function getDnsRecords(domainConfig, zoneName, name, type) {
assert.strictEqual(typeof domainConfig, 'object');
assert.strictEqual(typeof zoneName, 'string');
assert.strictEqual(typeof name, 'string');
assert.strictEqual(typeof type, 'string');
debug(`get: ${name} in zone ${zoneName} of type ${type}`);
const zoneId = await getZoneId(domainConfig, zoneName);
const [error, response] = await safe(superagent.get(`${BUNNY_API}/dnszone/${zoneId}`)
.set('AccessKey', domainConfig.accessKey)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
if (error) throw new BoxError(BoxError.NETWORK_ERROR, error.message);
if (response.statusCode === 401) throw new BoxError(BoxError.ACCESS_DENIED, formatError(response));
if (response.statusCode !== 200) throw new BoxError(BoxError.EXTERNAL_ERROR, formatError(response));
if (!Array.isArray(response.body.Records)) throw new BoxError(BoxError.EXTERNAL_ERROR, `Invalid records in response: ${JSON.stringify(response.body)}`);
return response.body.Records.filter(r => recordTypeToString(r.Type) === type && r.Name === name);
}
async function upsert(domainObject, location, type, values) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert(Array.isArray(values));
const domainConfig = domainObject.config,
zoneName = domainObject.zoneName,
name = dns.getName(domainObject, location, type) || '';
debug(`upsert: ${name} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
const zoneId = await getZoneId(domainConfig, zoneName);
const records = await getDnsRecords(domainConfig, zoneName, name, type);
// used to track available records to update instead of create
let i = 0, recordIds = [];
for (let value of values) {
let priority = 0;
if (type === 'MX') {
priority = parseInt(value.split(' ')[0], 10);
value = value.split(' ')[1];
} else if (type === 'TXT') {
value = value.replace(/^"(.*)"$/, '$1'); // strip any double quotes
}
const data = {
Type: recordTypeToInt(type),
Name: name,
Value: value,
Priority: priority,
Ttl: 10
};
if (i >= records.length) {
const [error, response] = await safe(superagent.put(`${BUNNY_API}/dnszone/${zoneId}/records`)
.set('AccessKey', domainConfig.accessKey)
.send(data)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
if (error) throw new BoxError(BoxError.NETWORK_ERROR, error.message);
if (response.statusCode === 401) throw new BoxError(BoxError.ACCESS_DENIED, formatError(response));
if (response.statusCode !== 201) throw new BoxError(BoxError.EXTERNAL_ERROR, formatError(response));
} else {
const [error, response] = await safe(superagent.post(`${BUNNY_API}/dnszone/${zoneId}/records/${records[i].Id}`)
.set('AccessKey', domainConfig.accessKey)
.send(data)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
++i;
if (error) throw new BoxError(BoxError.NETWORK_ERROR, error.message);
if (response.statusCode === 401) throw new BoxError(BoxError.ACCESS_DENIED, formatError(response));
if (response.statusCode !== 204) throw new BoxError(BoxError.EXTERNAL_ERROR, formatError(response));
recordIds.push(safe.query(records.body, 'domain_record.id'));
}
}
for (let j = values.length + 1; j < records.length; j++) {
const [error] = await safe(superagent.del(`${BUNNY_API}/dnszone/${zoneId}/records/${records[j].Id}`)
.set('AccessKey', domainConfig.accessKey)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
if (error) debug(`upsert: error removing record ${records[j].id}: ${error.message}`);
}
debug('upsert: completed with recordIds:%j', recordIds);
}
async function get(domainObject, location, type) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
const domainConfig = domainObject.config,
zoneName = domainObject.zoneName,
name = dns.getName(domainObject, location, type) || '';
const records = await getDnsRecords(domainConfig, zoneName, name, type);
return records.map(r => r.Value);
}
async function del(domainObject, location, type, values) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof location, 'string');
assert.strictEqual(typeof type, 'string');
assert(Array.isArray(values));
const domainConfig = domainObject.config,
zoneName = domainObject.zoneName,
name = dns.getName(domainObject, location, type) || '';
debug(`del: ${name} in zone ${zoneName} of type ${type} with values ${JSON.stringify(values)}`);
const zoneId = await getZoneId(domainConfig, zoneName);
const records = await getDnsRecords(domainConfig, zoneName, name, type);
const ids = records.filter(r => values.includes(r.Value)).map(r => r.Id);
for (const id of ids) {
const [error, response] = await safe(superagent.del(`${BUNNY_API}/dnszone/${zoneId}/records/${id}`)
.set('AccessKey', domainConfig.accessKey)
.retry(5)
.timeout(30 * 1000)
.ok(() => true));
if (error) throw new BoxError(BoxError.NETWORK_ERROR, error.message);
if (response.statusCode === 401) throw new BoxError(BoxError.ACCESS_DENIED, formatError(response));
if (response.statusCode === 400) continue;
if (response.statusCode !== 204) throw new BoxError(BoxError.EXTERNAL_ERROR, formatError(response));
}
}
async function wait(domainObject, subdomain, type, value, options) {
assert.strictEqual(typeof domainObject, 'object');
assert.strictEqual(typeof subdomain, 'string');
assert.strictEqual(typeof type, 'string');
assert.strictEqual(typeof value, 'string');
assert(options && typeof options === 'object'); // { interval: 5000, times: 50000 }
const fqdn = dns.fqdn(subdomain, domainObject.domain);
await waitForDns(fqdn, domainObject.zoneName, type, value, options);
}
async function verifyDomainConfig(domainObject) {
assert.strictEqual(typeof domainObject, 'object');
const domainConfig = domainObject.config,
zoneName = domainObject.zoneName;
if (!domainConfig.accessKey || typeof domainConfig.accessKey !== 'string') throw new BoxError(BoxError.BAD_FIELD, 'accessKey must be a non-empty string');
const ip = '127.0.0.1';
const credentials = {
accessKey: domainConfig.accessKey,
};
if (process.env.BOX_ENV === 'test') return credentials; // this shouldn't be here
const [error, nameservers] = await safe(dig.resolve(zoneName, 'NS', { timeout: 5000 }));
if (error && error.code === 'ENOTFOUND') throw new BoxError(BoxError.BAD_FIELD, 'Unable to resolve nameservers for this domain');
if (error || !nameservers) throw new BoxError(BoxError.BAD_FIELD, error ? error.message : 'Unable to get nameservers');
if (!nameservers.every(function (n) { return n.toLowerCase().indexOf('.bunny.net') !== -1; })) {
debug('verifyDomainConfig: %j does not contain Bunny NS', nameservers);
throw new BoxError(BoxError.BAD_FIELD, 'Domain nameservers are not set to Bunny');
}
const location = 'cloudrontestdns';
await upsert(domainObject, location, 'A', [ ip ]);
debug('verifyDomainConfig: Test A record added');
await del(domainObject, location, 'A', [ ip ]);
debug('verifyDomainConfig: Test A record removed again');
return credentials;
}