Files
browser-chromium/serverJS/adblock.js
T
2024-11-01 20:55:18 -04:00

78 lines
3.1 KiB
JavaScript

import { StaticNetFilteringEngine } from '@gorhill/ubo-core';
import fs from 'fs/promises';
import { checkInternetConnectivity } from '../utils/misc.js';
import loggermod from '../utils/logger.cjs';
const { logger } = loggermod;
const blocklists = [
"https://ublockorigin.github.io/uAssetsCDN/filters/badlists.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/filters.min.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/privacy.min.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/badware.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/quick-fixes.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/unbreak.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/annoyances.txt",
"https://ublockorigin.github.io/uAssetsCDN/filters/lan-block.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easyprivacy.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist-annoyances.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist-cookies.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist-newsletters.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist-notifications.txt",
"https://ublockorigin.github.io/uAssetsCDN/thirdparties/easylist-social.txt",
"https://raw.githubusercontent.com/laylavish/uBlockOrigin-HUGE-AI-Blocklist/main/list.txt"
];
async function fetchList(url) {
return fetch(url).then(r => {
return r.text();
}).then(raw => {
return { raw };
}).catch(reason => {
logger.error(reason);
});
}
const snfe = await StaticNetFilteringEngine.create();
// const rsf = await fetch('https://api.github.com/repos/uBlockOrigin/uAssets/contents/filters'),
// safeLists = (await rsf.json()).map(o => o.download_url);
const pathToSelfie = 'cache/selfie.txt';
// Up to date serialization data (aka selfie) available?
let selfie;
const ageInDays = await fs.stat(pathToSelfie).then(stat => {
const fileDate = new Date(stat.mtime);
return (Date.now() - fileDate.getTime()) / (7 * 24 * 60 * 60);
}).catch(() => Number.MAX_SAFE_INTEGER);
// Use a selfie if available and not older than 7 days
if (ageInDays <= 7) {
selfie = await fs.readFile(pathToSelfie, { encoding: 'utf8' })
.then(data => typeof data === 'string' && data !== '' && data)
.catch(() => { });
if (typeof selfie === 'string') {
await snfe.deserialize(selfie);
}
}
// Fetch filter lists if no up to date selfie available
if (!selfie && (await checkInternetConnectivity())) {
logger.info(`Fetching lists...`);
await snfe.useLists(blocklists.map(fetchList).filter(o => o));
const selfie = await snfe.serialize();
fs.mkdir('cache', { recursive: true });
await fs.writeFile(pathToSelfie, selfie);
}
/**
* runs ublock origin url safe-checking
*/
const blocked = (url, originURL = undefined, mimeType = undefined) => url ? snfe.matchRequest({ url, originURL, type: mimeType }) : false;
export default blocked;