homepage.js/helpers/tor_check.js

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2023-04-20 08:40:47 +02:00
const fs = require('fs');
// fucking es6
const fetch = (...args) => import('node-fetch').then(({default: fetch}) => fetch(...args));
let exits_list;
let is_job_running;
if (exits_list == undefined) {
if (!fs.existsSync('store/torexits.json')) {
refreshList();
} else {
exits_list = JSON.parse(fs.readFileSync('store/torexits.json', {encoding: 'utf-8'}));
}
}
function isOutdated() {
// list expires in 4 hours
return Date.now() - exits_list.last_update > 1000 * 60 * 60 * 4;
}
async function check(ip) {
if (!exits_list) {
await refreshList();
}
return exits_list.ips.indexOf(ip) !== -1;
}
async function refreshList() {
let data = {
last_update: Date.now(),
ips: undefined
};
let raw_list = await (await fetch('https://check.torproject.org/torbulkexitlist')).text();
let ips = raw_list.replace('\r', '').split('\n');
exits_list = {
last_update: Date.now(),
ips
};
fs.writeFileSync('store/torexits.json', JSON.stringify(exits_list, undefined, process.env.APP_DEBUG ? ' ' : undefined));
}
async function run_refresh_job() {
if (isOutdated()) {
refreshList();
}
setTimeout(run_refresh_job, 1000 * 60 * 30);
}
module.exports = { check, isOutdated };