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-rw-r--r--testing/xpcshell/dns-packet/examples/doh.js52
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diff --git a/testing/xpcshell/dns-packet/examples/doh.js b/testing/xpcshell/dns-packet/examples/doh.js
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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()