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Chore: update dns mapping tools

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This commit is contained in:
SukkaW 2021-08-15 15:57:47 +08:00
parent 8041b08478
commit 2cdd313dc0
1 changed files with 5 additions and 51 deletions
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56
Build/build-dns-china.js
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@ -1,12 +1,8 @@
const https = require('https'); const https = require('https');
let ALEXA_TOP_LIMIT = 10000; let es;
let unzip, csv2, es;
try { try {
unzip = require('unzip-stream');
csv2 = require('csv2');
es = require('event-stream'); es = require('event-stream');
} catch (e) { } catch (e) {
console.log('Dependencies not found'); console.log('Dependencies not found');
@ -17,51 +13,12 @@ try {
} }
(async () => { (async () => {
const alexaTopDomains = (await fetchAlexaTopDomains()).sort(); const dnsmasqconfDomains = await fetchAndParseDnsmasqDomains();
const dnsmasqconfDomains = await fetchAndParseDnsmasqDomains(alexaTopDomains);
console.log(dnsmasqconfDomains.length); console.log(dnsmasqconfDomains.length);
})(); })();
function fetchAlexaTopDomains() { function fetchAndParseDnsmasqDomains() {
const data = [];
return new Promise((resolve, reject) => {
const req = https.request(
{
hostname: 's3.amazonaws.com',
path: '/alexa-static/top-1m.csv.zip',
method: 'GET',
},
(res) => {
res
.pipe(unzip.Parse())
.on('entry', (entry) => {
entry.pipe(csv2()).on('data', ([top, domain]) => {
if (top < ALEXA_TOP_LIMIT) {
data.push(domain);
}
});
});
res.on('end', () => {
try {
resolve(data);
} catch (e) {
reject(e);
}
});
req.on('error', (err) => {
reject(err);
});
}
);
req.end();
})
}
function fetchAndParseDnsmasqDomains(alexaTopDomains) {
const data = []; const data = [];
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
@ -74,17 +31,14 @@ function fetchAndParseDnsmasqDomains(alexaTopDomains) {
(res) => { (res) => {
const s = res const s = res
.pipe(es.split()) .pipe(es.split())
.pipe(es.mapSync(line => { .pipe(es.map(line => {
s.pause(); s.pause();
const domain = line const domain = line
.replaceAll('server=/', '') .replaceAll('server=/', '')
.replaceAll('/114.114.114.114', ''); .replaceAll('/114.114.114.114', '');
if (alexaTopDomains.includes(domain)) { data.push(domain);
console.log(domain);
data.push(domain);
}
s.resume(); s.resume();
})) }))