smartdns/ts/index.ts
2016-11-15 22:40:40 +01:00

55 lines
1.3 KiB
TypeScript

import * as q from 'q'
import * as plugins from './dnsly.plugins'
export type TDnsProvider = 'google'
export type TDnsRecordType = 'A'
| 'AAAA'
| 'CNAME'
| 'PTR'
| 'MX'
| 'NAPTR'
| 'NS'
| 'SOA'
| 'SRV'
| 'TXT'
/**
* class dnsly offers methods for working with dns from a dns provider like Google DNS
*/
export class Dnsly {
dnsServerIp: string
dnsServerPort: number
/**
* constructor for class dnsly
*/
constructor(dnsProviderArg: TDnsProvider) {
this._setDnsProvider(dnsProviderArg)
}
/**
* gets a record
*/
getRecord(recordNameArg: string, recordTypeArg: TDnsRecordType) {
let done = q.defer()
plugins.dns.resolve(recordNameArg,recordTypeArg, (err, addresses) => {
if (err) {
done.reject(err)
}
done.resolve(addresses)
})
return done.promise
}
/**
* set the DNS provider
*/
private _setDnsProvider(dnsProvider: TDnsProvider) {
if (dnsProvider === 'google') {
this.dnsServerIp = '8.8.8.8'
this.dnsServerPort = 53
plugins.dns.setServers(['8.8.8.8','8.8.4.4'])
} else {
throw new Error('unknown dns provider')
}
}
}