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