prismarine-web-client/lib/dns.js

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2021-02-27 17:12:11 -05:00
/* global XMLHttpRequest */
// Custom DNS resolver made by SiebeDW. Powered by google dns.
// Supported: SRV (not all errors support)
module.exports.resolveSrv = function (hostname, callback) {
const Http = new XMLHttpRequest()
const url = `https://dns.google.com/resolve?name=${hostname}&type=SRV`
Http.open('GET', url)
Http.responseType = 'json'
Http.send()
Http.onload = function () {
const response = Http.response
if (response.Status === 3) {
const err = new Error('querySrv ENOTFOUND')
err.code = 'ENOTFOUND'
callback(err)
return
}
if (!response.Answer || response.Answer.length < 1) {
const err = new Error('querySrv ENODATA')
err.code = 'ENODATA'
callback(err)
return
}
const willreturn = []
response.Answer.forEach(function (object) {
const data = object.data.split(' ')
willreturn.push({
priority: data[0],
weight: data[1],
port: data[2],
name: data[3]
})
})
console.log(willreturn)
callback(null, willreturn)
}
}