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'use strict'
/*
* Sample code to make DNS over HTTPS request using POST
* AUTHOR: Tom Pusateri <pusateri@bangj.com>
* DATE: March 17, 2018
* LICENSE: MIT
*/
const dnsPacket = require('..')
const https = require('https')
function getRandomInt (min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min
}
const buf = dnsPacket.encode({
type: 'query',
id: getRandomInt(1, 65534),
flags: dnsPacket.RECURSION_DESIRED,
questions: [{
type: 'A',
name: 'google.com'
}]
})
const options = {
hostname: 'dns.google.com',
port: 443,
path: '/experimental',
method: 'POST',
headers: {
'Content-Type': 'application/dns-udpwireformat',
'Content-Length': Buffer.byteLength(buf)
}
}
const request = https.request(options, (response) => {
console.log('statusCode:', response.statusCode)
console.log('headers:', response.headers)
response.on('data', (d) => {
console.log(dnsPacket.decode(d))
})
})
request.on('error', (e) => {
console.error(e)
})
request.write(buf)
request.end()