mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-06 10:52:38 +01:00
1351 lines
44 KiB
JavaScript
1351 lines
44 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a comprehensive, efficient content blocker
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Copyright (C) 2022-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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import * as makeScriptlet from './make-scriptlets.js';
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import * as sfp from './js/static-filtering-parser.js';
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import { createHash, randomBytes } from 'crypto';
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import { dnrRulesetFromRawLists } from './js/static-dnr-filtering.js';
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import fs from 'fs/promises';
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import https from 'https';
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import path from 'path';
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import process from 'process';
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import redirectResourcesMap from './js/redirect-resources.js';
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import { safeReplace } from './safe-replace.js';
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/******************************************************************************/
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const commandLineArgs = (( ) => {
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const args = new Map();
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let name, value;
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for ( const arg of process.argv.slice(2) ) {
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const pos = arg.indexOf('=');
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if ( pos === -1 ) {
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name = arg;
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value = '';
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} else {
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name = arg.slice(0, pos);
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value = arg.slice(pos+1);
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}
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args.set(name, value);
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}
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return args;
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})();
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const platform = commandLineArgs.get('platform') || 'chromium';
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const outputDir = commandLineArgs.get('output') || '.';
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const cacheDir = `${outputDir}/../mv3-data`;
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const rulesetDir = `${outputDir}/rulesets`;
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const scriptletDir = `${rulesetDir}/scripting`;
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const env = [
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platform,
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'mv3',
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'ublock',
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'ubol',
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'user_stylesheet',
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];
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if ( platform !== 'firefox' ) {
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env.push('native_css_has');
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}
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/******************************************************************************/
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const jsonSetMapReplacer = (k, v) => {
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if ( v instanceof Set || v instanceof Map ) {
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if ( v.size === 0 ) { return; }
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return Array.from(v);
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}
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return v;
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};
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const uidint32 = (s) => {
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const h = createHash('sha256').update(s).digest('hex').slice(0,8);
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return parseInt(h,16) & 0x7FFFFFFF;
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};
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const hnSort = (a, b) =>
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a.split('.').reverse().join('.').localeCompare(
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b.split('.').reverse().join('.')
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);
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/******************************************************************************/
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const stdOutput = [];
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const log = (text, silent = false) => {
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stdOutput.push(text);
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if ( silent === false ) {
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console.log(text);
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}
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};
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/******************************************************************************/
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const urlToFileName = url => {
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return url
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.replace(/^https?:\/\//, '')
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.replace(/\//g, '_');
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};
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const fetchText = (url, cacheDir) => {
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return new Promise((resolve, reject) => {
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const fname = urlToFileName(url);
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fs.readFile(`${cacheDir}/${fname}`, { encoding: 'utf8' }).then(content => {
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log(`\tFetched local ${url}`);
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resolve({ url, content });
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}).catch(( ) => {
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log(`\tFetching remote ${url}`);
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https.get(url, response => {
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const data = [];
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response.on('data', chunk => {
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data.push(chunk.toString());
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});
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response.on('end', ( ) => {
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const content = data.join('');
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try {
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writeFile(`${cacheDir}/${fname}`, content);
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} catch (ex) {
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}
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resolve({ url, content });
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});
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}).on('error', error => {
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reject(error);
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});
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});
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});
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};
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/******************************************************************************/
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const writeFile = async (fname, data) => {
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const dir = path.dirname(fname);
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await fs.mkdir(dir, { recursive: true });
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const promise = fs.writeFile(fname, data);
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writeOps.push(promise);
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return promise;
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};
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const copyFile = async (from, to) => {
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const dir = path.dirname(to);
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await fs.mkdir(dir, { recursive: true });
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const promise = fs.copyFile(from, to);
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writeOps.push(promise);
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return promise;
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};
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const writeOps = [];
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/******************************************************************************/
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const ruleResources = [];
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const rulesetDetails = [];
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const scriptletStats = new Map();
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const genericDetails = new Map();
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const requiredRedirectResources = new Set();
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/******************************************************************************/
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async function fetchList(assetDetails) {
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// Remember fetched URLs
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const fetchedURLs = new Set();
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// Fetch list and expand `!#include` directives
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let parts = assetDetails.urls.map(url => ({ url }));
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while ( parts.every(v => typeof v === 'string') === false ) {
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const newParts = [];
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for ( const part of parts ) {
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if ( typeof part === 'string' ) {
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newParts.push(part);
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continue;
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}
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if ( fetchedURLs.has(part.url) ) {
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newParts.push('');
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continue;
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}
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fetchedURLs.add(part.url);
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if ( part.url.startsWith('https://ublockorigin.github.io/uAssets/filters/') ) {
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newParts.push(`!#trusted on ${assetDetails.secret}`);
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}
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newParts.push(
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fetchText(part.url, cacheDir).then(details => {
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const { url } = details;
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const content = details.content.trim();
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if ( typeof content === 'string' && content !== '' ) {
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if (
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content.startsWith('<') === false ||
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content.endsWith('>') === false
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) {
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return { url, content };
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}
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}
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log(`No valid content for ${details.name}`);
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return { url, content: '' };
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})
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);
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newParts.push(`!#trusted off ${assetDetails.secret}`);
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}
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parts = await Promise.all(newParts);
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parts = sfp.utils.preparser.expandIncludes(parts, env);
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}
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const text = parts.join('\n');
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if ( text === '' ) {
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log('No filterset found');
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}
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return text;
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}
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/******************************************************************************/
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const isUnsupported = rule =>
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rule._error !== undefined;
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const isRegex = rule =>
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rule.condition !== undefined &&
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rule.condition.regexFilter !== undefined;
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const isRedirect = rule => {
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if ( rule.action === undefined ) { return false; }
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if ( rule.action.type !== 'redirect' ) { return false; }
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if ( rule.action.redirect?.extensionPath !== undefined ) { return true; }
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if ( rule.action.redirect?.transform?.path !== undefined ) { return true; }
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return false;
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};
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const isModifyHeaders = rule =>
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rule.action !== undefined &&
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rule.action.type === 'modifyHeaders';
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const isRemoveparam = rule =>
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rule.action !== undefined &&
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rule.action.type === 'redirect' &&
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rule.action.redirect.transform !== undefined;
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const isGood = rule =>
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isUnsupported(rule) === false &&
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isRedirect(rule) === false &&
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isModifyHeaders(rule) === false &&
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isRemoveparam(rule) === false;
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/******************************************************************************/
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// Two distinct hostnames:
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// www.example.com
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// example.com
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// Can be reduced to a single one:
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// example.com
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// Since if example.com matches, then www.example.com (or any other subdomain
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// of example.com) will always match.
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function pruneHostnameArray(hostnames) {
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const rootMap = new Map();
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for ( const hostname of hostnames ) {
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const labels = hostname.split('.');
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let currentMap = rootMap;
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let i = labels.length;
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while ( i-- ) {
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const label = labels[i];
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let nextMap = currentMap.get(label);
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if ( nextMap === null ) { break; }
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if ( nextMap === undefined ) {
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if ( i === 0 ) {
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currentMap.set(label, (nextMap = null));
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} else {
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currentMap.set(label, (nextMap = new Map()));
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}
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} else if ( i === 0 ) {
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currentMap.set(label, null);
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}
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currentMap = nextMap;
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}
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}
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const assemble = (currentMap, currentHostname, out) => {
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for ( const [ label, nextMap ] of currentMap ) {
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const nextHostname = currentHostname === ''
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? label
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: `${label}.${currentHostname}`;
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if ( nextMap === null ) {
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out.push(nextHostname);
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} else {
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assemble(nextMap, nextHostname, out);
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}
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}
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return out;
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};
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return assemble(rootMap, '', []);
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}
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/*******************************************************************************
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*
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* For large rulesets, one rule per line for compromise between size and
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* readability. This also means that the number of lines in resulting file
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* representative of the number of rules in the ruleset.
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*
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* */
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function toJSONRuleset(ruleset) {
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const replacer = (k, v) => {
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if ( k.startsWith('_') ) { return; }
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if ( Array.isArray(v) ) {
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return v.sort();
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}
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if ( v instanceof Object ) {
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const sorted = {};
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for ( const kk of Object.keys(v).sort() ) {
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sorted[kk] = v[kk];
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}
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return sorted;
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}
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return v;
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};
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const indent = ruleset.length > 10 ? undefined : 1;
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const out = [];
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for ( const rule of ruleset ) {
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out.push(JSON.stringify(rule, replacer, indent));
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}
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return `[\n${out.join(',\n')}\n]\n`;
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}
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/******************************************************************************/
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async function processNetworkFilters(assetDetails, network) {
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const { ruleset: rules } = network;
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log(`Input filter count: ${network.filterCount}`);
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log(`\tAccepted filter count: ${network.acceptedFilterCount}`);
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log(`\tRejected filter count: ${network.rejectedFilterCount}`);
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log(`Output rule count: ${rules.length}`);
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// Minimize requestDomains arrays
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for ( const rule of rules ) {
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const condition = rule.condition;
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if ( condition === undefined ) { continue; }
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const requestDomains = condition.requestDomains;
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if ( requestDomains === undefined ) { continue; }
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const beforeCount = requestDomains.length;
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condition.requestDomains = pruneHostnameArray(requestDomains);
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const afterCount = condition.requestDomains.length;
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if ( afterCount !== beforeCount ) {
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log(`\tPruning requestDomains: from ${beforeCount} to ${afterCount}`);
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}
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}
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// Add native DNR ruleset if present
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if ( assetDetails.dnrURL ) {
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const result = await fetchText(assetDetails.dnrURL, cacheDir);
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for ( const rule of JSON.parse(result.content) ) {
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rules.push(rule);
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}
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}
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const plainGood = rules.filter(rule => isGood(rule) && isRegex(rule) === false);
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log(`\tPlain good: ${plainGood.length}`);
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log(plainGood
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.filter(rule => Array.isArray(rule._warning))
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.map(rule => rule._warning.map(v => `\t\t${v}`))
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.join('\n'), true
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);
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const regexes = rules.filter(rule => isGood(rule) && isRegex(rule));
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log(`\tMaybe good (regexes): ${regexes.length}`);
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const redirects = rules.filter(rule =>
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isUnsupported(rule) === false &&
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isRedirect(rule)
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);
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redirects.forEach(rule => {
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if ( rule.action.redirect.extensionPath === undefined ) { return; }
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requiredRedirectResources.add(
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rule.action.redirect.extensionPath.replace(/^\/+/, '')
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);
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});
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log(`\tredirect=: ${redirects.length}`);
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const removeparamsGood = rules.filter(rule =>
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isUnsupported(rule) === false && isRemoveparam(rule)
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);
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const removeparamsBad = rules.filter(rule =>
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isUnsupported(rule) && isRemoveparam(rule)
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);
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log(`\tremoveparams= (accepted/discarded): ${removeparamsGood.length}/${removeparamsBad.length}`);
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const modifyHeaders = rules.filter(rule =>
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isUnsupported(rule) === false &&
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isModifyHeaders(rule)
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);
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log(`\tmodifyHeaders=: ${modifyHeaders.length}`);
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const bad = rules.filter(rule =>
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isUnsupported(rule)
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);
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log(`\tUnsupported: ${bad.length}`);
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log(bad.map(rule => rule._error.map(v => `\t\t${v}`)).join('\n'), true);
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writeFile(
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`${rulesetDir}/main/${assetDetails.id}.json`,
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toJSONRuleset(plainGood)
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);
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if ( regexes.length !== 0 ) {
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writeFile(
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`${rulesetDir}/regex/${assetDetails.id}.json`,
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toJSONRuleset(regexes)
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);
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}
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if ( removeparamsGood.length !== 0 ) {
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writeFile(
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`${rulesetDir}/removeparam/${assetDetails.id}.json`,
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toJSONRuleset(removeparamsGood)
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);
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}
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if ( redirects.length !== 0 ) {
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writeFile(
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`${rulesetDir}/redirect/${assetDetails.id}.json`,
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toJSONRuleset(redirects)
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);
|
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}
|
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if ( modifyHeaders.length !== 0 ) {
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writeFile(
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`${rulesetDir}/modify-headers/${assetDetails.id}.json`,
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toJSONRuleset(modifyHeaders)
|
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);
|
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}
|
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|
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return {
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total: rules.length,
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plain: plainGood.length,
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discarded: removeparamsBad.length,
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rejected: bad.length,
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regex: regexes.length,
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removeparam: removeparamsGood.length,
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redirect: redirects.length,
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modifyHeaders: modifyHeaders.length,
|
||
};
|
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}
|
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|
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/******************************************************************************/
|
||
|
||
// TODO: unify css/scriptlet processing code since now css styles are
|
||
// injected using scriptlet injection.
|
||
|
||
// Load all available scriptlets into a key-val map, where the key is the
|
||
// scriptlet token, and val is the whole content of the file.
|
||
|
||
let scriptletsMapPromise;
|
||
|
||
function loadAllSourceScriptlets() {
|
||
if ( scriptletsMapPromise !== undefined ) {
|
||
return scriptletsMapPromise;
|
||
}
|
||
|
||
scriptletsMapPromise = fs.readdir('./scriptlets').then(files => {
|
||
const readTemplateFile = file =>
|
||
fs.readFile(`./scriptlets/${file}`, { encoding: 'utf8' })
|
||
.then(text => ({ file, text }));
|
||
const readPromises = [];
|
||
for ( const file of files ) {
|
||
readPromises.push(readTemplateFile(file));
|
||
}
|
||
return Promise.all(readPromises).then(results => {
|
||
const originalScriptletMap = new Map();
|
||
for ( const details of results ) {
|
||
originalScriptletMap.set(
|
||
details.file.replace('.template.js', '')
|
||
.replace('.template.css', ''),
|
||
details.text
|
||
);
|
||
}
|
||
return originalScriptletMap;
|
||
});
|
||
});
|
||
|
||
return scriptletsMapPromise;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processGenericCosmeticFilters(assetDetails, bucketsMap, exceptionSet) {
|
||
if ( bucketsMap === undefined ) { return 0; }
|
||
if ( exceptionSet ) {
|
||
for ( const [ hash, selectors ] of bucketsMap ) {
|
||
let i = selectors.length;
|
||
while ( i-- ) {
|
||
const selector = selectors[i];
|
||
if ( exceptionSet.has(selector) === false ) { continue; }
|
||
selectors.splice(i, 1);
|
||
//log(`\tRemoving excepted generic filter ##${selector}`);
|
||
}
|
||
if ( selectors.length === 0 ) {
|
||
bucketsMap.delete(hash);
|
||
}
|
||
}
|
||
}
|
||
if ( bucketsMap.size === 0 ) { return 0; }
|
||
const bucketsList = Array.from(bucketsMap);
|
||
const count = bucketsList.reduce((a, v) => a += v[1].length, 0);
|
||
if ( count === 0 ) { return 0; }
|
||
const selectorLists = bucketsList.map(v => [ v[0], v[1].join(',') ]);
|
||
const originalScriptletMap = await loadAllSourceScriptlets();
|
||
|
||
let patchedScriptlet = originalScriptletMap.get('css-generic').replace(
|
||
'$rulesetId$',
|
||
assetDetails.id
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$genericSelectorMap\$/,
|
||
`${JSON.stringify(selectorLists, scriptletJsonReplacer)}`
|
||
);
|
||
|
||
writeFile(
|
||
`${scriptletDir}/generic/${assetDetails.id}.js`,
|
||
patchedScriptlet
|
||
);
|
||
|
||
log(`CSS-generic: ${count} plain CSS selectors`);
|
||
|
||
return count;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processGenericHighCosmeticFilters(assetDetails, selectorSet, exceptionSet) {
|
||
if ( selectorSet === undefined ) { return 0; }
|
||
if ( exceptionSet ) {
|
||
for ( const selector of selectorSet ) {
|
||
if ( exceptionSet.has(selector) === false ) { continue; }
|
||
selectorSet.delete(selector);
|
||
//log(`\tRemoving excepted generic filter ##${selector}`);
|
||
}
|
||
}
|
||
if ( selectorSet.size === 0 ) { return 0; }
|
||
const selectorLists = Array.from(selectorSet).sort().join(',\n');
|
||
const originalScriptletMap = await loadAllSourceScriptlets();
|
||
|
||
let patchedScriptlet = originalScriptletMap.get('css-generichigh').replace(
|
||
'$rulesetId$',
|
||
assetDetails.id
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\$selectorList\$/,
|
||
selectorLists
|
||
);
|
||
|
||
writeFile(
|
||
`${scriptletDir}/generichigh/${assetDetails.id}.css`,
|
||
patchedScriptlet
|
||
);
|
||
|
||
log(`CSS-generic-high: ${selectorSet.size} plain CSS selectors`);
|
||
|
||
return selectorSet.size;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
// This merges selectors which are used by the same hostnames
|
||
|
||
function groupSelectorsByHostnames(mapin) {
|
||
if ( mapin === undefined ) { return []; }
|
||
const merged = new Map();
|
||
for ( const [ selector, details ] of mapin ) {
|
||
if ( details.rejected ) { continue; }
|
||
const json = JSON.stringify(details);
|
||
let entries = merged.get(json);
|
||
if ( entries === undefined ) {
|
||
entries = new Set();
|
||
merged.set(json, entries);
|
||
}
|
||
entries.add(selector);
|
||
}
|
||
const out = [];
|
||
for ( const [ json, entries ] of merged ) {
|
||
const details = JSON.parse(json);
|
||
details.selectors = Array.from(entries).sort();
|
||
out.push(details);
|
||
}
|
||
return out;
|
||
}
|
||
|
||
// This merges hostnames which have the same set of selectors.
|
||
//
|
||
// Also, we sort the hostnames to increase likelihood that selector with
|
||
// same hostnames will end up in same generated scriptlet.
|
||
|
||
function groupHostnamesBySelectors(arrayin) {
|
||
const contentMap = new Map();
|
||
for ( const entry of arrayin ) {
|
||
const id = uidint32(JSON.stringify(entry.selectors));
|
||
let details = contentMap.get(id);
|
||
if ( details === undefined ) {
|
||
details = { a: entry.selectors };
|
||
contentMap.set(id, details);
|
||
}
|
||
if ( entry.matches !== undefined ) {
|
||
if ( details.y === undefined ) {
|
||
details.y = new Set();
|
||
}
|
||
for ( const hn of entry.matches ) {
|
||
details.y.add(hn);
|
||
}
|
||
}
|
||
if ( entry.excludeMatches !== undefined ) {
|
||
if ( details.n === undefined ) {
|
||
details.n = new Set();
|
||
}
|
||
for ( const hn of entry.excludeMatches ) {
|
||
details.n.add(hn);
|
||
}
|
||
}
|
||
}
|
||
const out = Array.from(contentMap).map(a => [
|
||
a[0], {
|
||
a: a[1].a,
|
||
y: a[1].y ? Array.from(a[1].y).sort(hnSort) : '*',
|
||
n: a[1].n ? Array.from(a[1].n) : undefined,
|
||
}
|
||
]).sort((a, b) => {
|
||
const ha = Array.isArray(a[1].y) ? a[1].y[0] : '*';
|
||
const hb = Array.isArray(b[1].y) ? b[1].y[0] : '*';
|
||
return hnSort(ha, hb);
|
||
});
|
||
return out;
|
||
}
|
||
|
||
const scriptletHostnameToIdMap = (hostnames, id, map) => {
|
||
for ( const hn of hostnames ) {
|
||
const existing = map.get(hn);
|
||
if ( existing === undefined ) {
|
||
map.set(hn, id);
|
||
} else if ( Array.isArray(existing) ) {
|
||
existing.push(id);
|
||
} else {
|
||
map.set(hn, [ existing, id ]);
|
||
}
|
||
}
|
||
};
|
||
|
||
const scriptletJsonReplacer = (k, v) => {
|
||
if ( k === 'n' ) {
|
||
if ( v === undefined || v.size === 0 ) { return; }
|
||
return Array.from(v);
|
||
}
|
||
if ( v instanceof Set || v instanceof Map ) {
|
||
if ( v.size === 0 ) { return; }
|
||
return Array.from(v);
|
||
}
|
||
return v;
|
||
};
|
||
|
||
/******************************************************************************/
|
||
|
||
function argsMap2List(argsMap, hostnamesMap) {
|
||
const argsList = [];
|
||
const indexMap = new Map();
|
||
for ( const [ id, details ] of argsMap ) {
|
||
indexMap.set(id, argsList.length);
|
||
argsList.push(details);
|
||
}
|
||
for ( const [ hn, ids ] of hostnamesMap ) {
|
||
if ( typeof ids === 'number' ) {
|
||
hostnamesMap.set(hn, indexMap.get(ids));
|
||
continue;
|
||
}
|
||
for ( let i = 0; i < ids.length; i++ ) {
|
||
ids[i] = indexMap.get(ids[i]);
|
||
}
|
||
}
|
||
return argsList;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processCosmeticFilters(assetDetails, mapin) {
|
||
if ( mapin === undefined ) { return 0; }
|
||
if ( mapin.size === 0 ) { return 0; }
|
||
|
||
const domainBasedEntries = groupHostnamesBySelectors(
|
||
groupSelectorsByHostnames(mapin)
|
||
);
|
||
// We do not want more than n CSS files per subscription, so we will
|
||
// group multiple unrelated selectors in the same file, and distinct
|
||
// css declarations will be injected programmatically according to the
|
||
// hostname of the current document.
|
||
//
|
||
// The cosmetic filters will be injected programmatically as content
|
||
// script and the decisions to activate the cosmetic filters will be
|
||
// done at injection time according to the document's hostname.
|
||
const generatedFiles = [];
|
||
|
||
const argsMap = domainBasedEntries.map(entry => [
|
||
entry[0],
|
||
{
|
||
a: entry[1].a ? entry[1].a.join(',\n') : undefined,
|
||
n: entry[1].n
|
||
}
|
||
]);
|
||
const hostnamesMap = new Map();
|
||
for ( const [ id, details ] of domainBasedEntries ) {
|
||
if ( details.y === undefined ) { continue; }
|
||
scriptletHostnameToIdMap(details.y, id, hostnamesMap);
|
||
}
|
||
const argsList = argsMap2List(argsMap, hostnamesMap);
|
||
const entitiesMap = new Map();
|
||
for ( const [ hn, details ] of hostnamesMap ) {
|
||
if ( hn.endsWith('.*') === false ) { continue; }
|
||
hostnamesMap.delete(hn);
|
||
entitiesMap.set(hn.slice(0, -2), details);
|
||
}
|
||
|
||
// Extract exceptions from argsList, simplify argsList entries
|
||
const exceptionsMap = new Map();
|
||
for ( let i = 0; i < argsList.length; i++ ) {
|
||
const details = argsList[i];
|
||
if ( details.n ) {
|
||
for ( const hn of details.n ) {
|
||
if ( exceptionsMap.has(hn) === false ) {
|
||
exceptionsMap.set(hn, []);
|
||
}
|
||
exceptionsMap.get(hn).push(i);
|
||
}
|
||
}
|
||
argsList[i] = details.a;
|
||
}
|
||
|
||
const originalScriptletMap = await loadAllSourceScriptlets();
|
||
let patchedScriptlet = originalScriptletMap.get('css-specific').replace(
|
||
'$rulesetId$',
|
||
assetDetails.id
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$argsList\$/,
|
||
`${JSON.stringify(argsList, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$hostnamesMap\$/,
|
||
`${JSON.stringify(hostnamesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$entitiesMap\$/,
|
||
`${JSON.stringify(entitiesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$exceptionsMap\$/,
|
||
`${JSON.stringify(exceptionsMap, scriptletJsonReplacer)}`
|
||
);
|
||
writeFile(`${scriptletDir}/specific/${assetDetails.id}.js`, patchedScriptlet);
|
||
generatedFiles.push(`${assetDetails.id}`);
|
||
|
||
if ( generatedFiles.length !== 0 ) {
|
||
log(`CSS-specific: ${mapin.size} distinct filters`);
|
||
log(`\tCombined into ${hostnamesMap.size} distinct hostnames`);
|
||
log(`\tCombined into ${entitiesMap.size} distinct entities`);
|
||
}
|
||
|
||
return hostnamesMap.size + entitiesMap.size;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processDeclarativeCosmeticFilters(assetDetails, mapin) {
|
||
if ( mapin === undefined ) { return 0; }
|
||
if ( mapin.size === 0 ) { return 0; }
|
||
|
||
// Distinguish declarative-compiled-as-procedural from actual procedural.
|
||
const declaratives = new Map();
|
||
mapin.forEach((details, jsonSelector) => {
|
||
const selector = JSON.parse(jsonSelector);
|
||
if ( selector.cssable !== true ) { return; }
|
||
selector.cssable = undefined;
|
||
declaratives.set(JSON.stringify(selector), details);
|
||
});
|
||
if ( declaratives.size === 0 ) { return 0; }
|
||
|
||
const contentArray = groupHostnamesBySelectors(
|
||
groupSelectorsByHostnames(declaratives)
|
||
);
|
||
|
||
const argsMap = contentArray.map(entry => [
|
||
entry[0],
|
||
{
|
||
a: entry[1].a,
|
||
n: entry[1].n,
|
||
}
|
||
]);
|
||
const hostnamesMap = new Map();
|
||
for ( const [ id, details ] of contentArray ) {
|
||
if ( details.y === undefined ) { continue; }
|
||
scriptletHostnameToIdMap(details.y, id, hostnamesMap);
|
||
}
|
||
const argsList = argsMap2List(argsMap, hostnamesMap);
|
||
const entitiesMap = new Map();
|
||
for ( const [ hn, details ] of hostnamesMap ) {
|
||
if ( hn.endsWith('.*') === false ) { continue; }
|
||
hostnamesMap.delete(hn);
|
||
entitiesMap.set(hn.slice(0, -2), details);
|
||
}
|
||
|
||
// Extract exceptions from argsList, simplify argsList entries
|
||
const exceptionsMap = new Map();
|
||
for ( let i = 0; i < argsList.length; i++ ) {
|
||
const details = argsList[i];
|
||
if ( details.n ) {
|
||
for ( const hn of details.n ) {
|
||
if ( exceptionsMap.has(hn) === false ) {
|
||
exceptionsMap.set(hn, []);
|
||
}
|
||
exceptionsMap.get(hn).push(i);
|
||
}
|
||
}
|
||
argsList[i] = details.a;
|
||
}
|
||
|
||
const originalScriptletMap = await loadAllSourceScriptlets();
|
||
let patchedScriptlet = originalScriptletMap.get('css-declarative').replace(
|
||
'$rulesetId$',
|
||
assetDetails.id
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$argsList\$/,
|
||
`${JSON.stringify(argsList, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$hostnamesMap\$/,
|
||
`${JSON.stringify(hostnamesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$entitiesMap\$/,
|
||
`${JSON.stringify(entitiesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$exceptionsMap\$/,
|
||
`${JSON.stringify(exceptionsMap, scriptletJsonReplacer)}`
|
||
);
|
||
writeFile(`${scriptletDir}/declarative/${assetDetails.id}.js`, patchedScriptlet);
|
||
|
||
if ( contentArray.length !== 0 ) {
|
||
log(`CSS-declarative: ${declaratives.size} distinct filters`);
|
||
log(`\tCombined into ${hostnamesMap.size} distinct hostnames`);
|
||
log(`\tCombined into ${entitiesMap.size} distinct entities`);
|
||
}
|
||
|
||
return hostnamesMap.size + entitiesMap.size;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processProceduralCosmeticFilters(assetDetails, mapin) {
|
||
if ( mapin === undefined ) { return 0; }
|
||
if ( mapin.size === 0 ) { return 0; }
|
||
|
||
// Distinguish declarative-compiled-as-procedural from actual procedural.
|
||
const procedurals = new Map();
|
||
mapin.forEach((details, jsonSelector) => {
|
||
const selector = JSON.parse(jsonSelector);
|
||
if ( selector.cssable ) { return; }
|
||
procedurals.set(jsonSelector, details);
|
||
});
|
||
if ( procedurals.size === 0 ) { return 0; }
|
||
|
||
const contentArray = groupHostnamesBySelectors(
|
||
groupSelectorsByHostnames(procedurals)
|
||
);
|
||
|
||
const argsMap = contentArray.map(entry => [
|
||
entry[0],
|
||
{
|
||
a: entry[1].a,
|
||
n: entry[1].n,
|
||
}
|
||
]);
|
||
const hostnamesMap = new Map();
|
||
for ( const [ id, details ] of contentArray ) {
|
||
if ( details.y === undefined ) { continue; }
|
||
scriptletHostnameToIdMap(details.y, id, hostnamesMap);
|
||
}
|
||
const argsList = argsMap2List(argsMap, hostnamesMap);
|
||
const entitiesMap = new Map();
|
||
for ( const [ hn, details ] of hostnamesMap ) {
|
||
if ( hn.endsWith('.*') === false ) { continue; }
|
||
hostnamesMap.delete(hn);
|
||
entitiesMap.set(hn.slice(0, -2), details);
|
||
}
|
||
|
||
// Extract exceptions from argsList, simplify argsList entries
|
||
const exceptionsMap = new Map();
|
||
for ( let i = 0; i < argsList.length; i++ ) {
|
||
const details = argsList[i];
|
||
if ( details.n ) {
|
||
for ( const hn of details.n ) {
|
||
if ( exceptionsMap.has(hn) === false ) {
|
||
exceptionsMap.set(hn, []);
|
||
}
|
||
exceptionsMap.get(hn).push(i);
|
||
}
|
||
}
|
||
argsList[i] = details.a;
|
||
}
|
||
|
||
const originalScriptletMap = await loadAllSourceScriptlets();
|
||
let patchedScriptlet = originalScriptletMap.get('css-procedural').replace(
|
||
'$rulesetId$',
|
||
assetDetails.id
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$argsList\$/,
|
||
`${JSON.stringify(argsList, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$hostnamesMap\$/,
|
||
`${JSON.stringify(hostnamesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$entitiesMap\$/,
|
||
`${JSON.stringify(entitiesMap, scriptletJsonReplacer)}`
|
||
);
|
||
patchedScriptlet = safeReplace(patchedScriptlet,
|
||
/\bself\.\$exceptionsMap\$/,
|
||
`${JSON.stringify(exceptionsMap, scriptletJsonReplacer)}`
|
||
);
|
||
writeFile(`${scriptletDir}/procedural/${assetDetails.id}.js`, patchedScriptlet);
|
||
|
||
if ( contentArray.length !== 0 ) {
|
||
log(`Procedural-related distinct filters: ${procedurals.size} distinct combined selectors`);
|
||
log(`\tCombined into ${hostnamesMap.size} distinct hostnames`);
|
||
log(`\tCombined into ${entitiesMap.size} distinct entities`);
|
||
}
|
||
|
||
return hostnamesMap.size + entitiesMap.size;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function processScriptletFilters(assetDetails, mapin) {
|
||
if ( mapin === undefined ) { return 0; }
|
||
if ( mapin.size === 0 ) { return 0; }
|
||
|
||
makeScriptlet.init();
|
||
|
||
for ( const details of mapin.values() ) {
|
||
makeScriptlet.compile(details);
|
||
}
|
||
const stats = await makeScriptlet.commit(
|
||
assetDetails.id,
|
||
`${scriptletDir}/scriptlet`,
|
||
writeFile
|
||
);
|
||
if ( stats.length !== 0 ) {
|
||
scriptletStats.set(assetDetails.id, stats);
|
||
}
|
||
makeScriptlet.reset();
|
||
return stats.length;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function rulesetFromURLs(assetDetails) {
|
||
log('============================');
|
||
log(`Listset for '${assetDetails.id}':`);
|
||
|
||
if ( assetDetails.text === undefined ) {
|
||
const text = await fetchList(assetDetails);
|
||
if ( text === '' ) { return; }
|
||
assetDetails.text = text;
|
||
}
|
||
|
||
if ( Array.isArray(assetDetails.filters) ) {
|
||
assetDetails.text += '\n' + assetDetails.filters.join('\n');
|
||
}
|
||
|
||
const extensionPaths = [];
|
||
for ( const [ fname, details ] of redirectResourcesMap ) {
|
||
const path = `/web_accessible_resources/${fname}`;
|
||
extensionPaths.push([ fname, path ]);
|
||
if ( details.alias === undefined ) { continue; }
|
||
if ( typeof details.alias === 'string' ) {
|
||
extensionPaths.push([ details.alias, path ]);
|
||
continue;
|
||
}
|
||
if ( Array.isArray(details.alias) === false ) { continue; }
|
||
for ( const alias of details.alias ) {
|
||
extensionPaths.push([ alias, path ]);
|
||
}
|
||
}
|
||
|
||
const results = await dnrRulesetFromRawLists(
|
||
[ { name: assetDetails.id, text: assetDetails.text } ],
|
||
{ env, extensionPaths, secret: assetDetails.secret }
|
||
);
|
||
|
||
const netStats = await processNetworkFilters(
|
||
assetDetails,
|
||
results.network
|
||
);
|
||
|
||
// Split cosmetic filters into two groups: declarative and procedural
|
||
const declarativeCosmetic = new Map();
|
||
const proceduralCosmetic = new Map();
|
||
const rejectedCosmetic = [];
|
||
if ( results.specificCosmetic ) {
|
||
for ( const [ selector, details ] of results.specificCosmetic ) {
|
||
if ( details.rejected ) {
|
||
rejectedCosmetic.push(selector);
|
||
continue;
|
||
}
|
||
if ( selector.startsWith('{') === false ) {
|
||
declarativeCosmetic.set(selector, details);
|
||
continue;
|
||
}
|
||
const parsed = JSON.parse(selector);
|
||
parsed.raw = undefined;
|
||
proceduralCosmetic.set(JSON.stringify(parsed), details);
|
||
}
|
||
}
|
||
if ( rejectedCosmetic.length !== 0 ) {
|
||
log(`Rejected cosmetic filters: ${rejectedCosmetic.length}`);
|
||
log(rejectedCosmetic.map(line => `\t${line}`).join('\n'), true);
|
||
}
|
||
|
||
if (
|
||
Array.isArray(results.network.generichideExclusions) &&
|
||
results.network.generichideExclusions.length !== 0
|
||
) {
|
||
genericDetails.set(
|
||
assetDetails.id,
|
||
results.network.generichideExclusions.filter(hn => hn.endsWith('.*') === false).sort()
|
||
);
|
||
}
|
||
|
||
const genericCosmeticStats = await processGenericCosmeticFilters(
|
||
assetDetails,
|
||
results.genericCosmetic,
|
||
results.genericCosmeticExceptions
|
||
);
|
||
const genericHighCosmeticStats = await processGenericHighCosmeticFilters(
|
||
assetDetails,
|
||
results.genericHighCosmetic,
|
||
results.genericCosmeticExceptions
|
||
);
|
||
const specificCosmeticStats = await processCosmeticFilters(
|
||
assetDetails,
|
||
declarativeCosmetic
|
||
);
|
||
const declarativeStats = await processDeclarativeCosmeticFilters(
|
||
assetDetails,
|
||
proceduralCosmetic
|
||
);
|
||
const proceduralStats = await processProceduralCosmeticFilters(
|
||
assetDetails,
|
||
proceduralCosmetic
|
||
);
|
||
const scriptletStats = await processScriptletFilters(
|
||
assetDetails,
|
||
results.scriptlet
|
||
);
|
||
|
||
rulesetDetails.push({
|
||
id: assetDetails.id,
|
||
name: assetDetails.name,
|
||
group: assetDetails.group,
|
||
enabled: assetDetails.enabled,
|
||
lang: assetDetails.lang,
|
||
homeURL: assetDetails.homeURL,
|
||
filters: {
|
||
total: results.network.filterCount,
|
||
accepted: results.network.acceptedFilterCount,
|
||
rejected: results.network.rejectedFilterCount,
|
||
},
|
||
rules: {
|
||
total: netStats.total,
|
||
plain: netStats.plain,
|
||
regex: netStats.regex,
|
||
removeparam: netStats.removeparam,
|
||
redirect: netStats.redirect,
|
||
modifyHeaders: netStats.modifyHeaders,
|
||
discarded: netStats.discarded,
|
||
rejected: netStats.rejected,
|
||
},
|
||
css: {
|
||
generic: genericCosmeticStats,
|
||
generichigh: genericHighCosmeticStats,
|
||
specific: specificCosmeticStats,
|
||
declarative: declarativeStats,
|
||
procedural: proceduralStats,
|
||
},
|
||
scriptlets: scriptletStats,
|
||
});
|
||
|
||
ruleResources.push({
|
||
id: assetDetails.id,
|
||
enabled: assetDetails.enabled,
|
||
path: `/rulesets/main/${assetDetails.id}.json`
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
async function main() {
|
||
|
||
let version = '';
|
||
{
|
||
const now = new Date();
|
||
const yearPart = now.getUTCFullYear();
|
||
const monthPart = now.getUTCMonth() + 1;
|
||
const dayPart = now.getUTCDate();
|
||
const hourPart = Math.floor(now.getUTCHours());
|
||
const minutePart = Math.floor(now.getUTCMinutes());
|
||
version = `${yearPart}.${monthPart}.${dayPart}.${hourPart * 60 + minutePart}`;
|
||
}
|
||
log(`Version: ${version}`);
|
||
|
||
// Get assets.json content
|
||
const assets = await fs.readFile(
|
||
`./assets.json`,
|
||
{ encoding: 'utf8' }
|
||
).then(text =>
|
||
JSON.parse(text)
|
||
);
|
||
|
||
// This will be used to sign our inserted `!#trusted on` directives
|
||
const secret = createHash('sha256').update(randomBytes(16)).digest('hex').slice(0,16);
|
||
log(`Secret: ${secret}`);
|
||
|
||
// Assemble all default lists as the default ruleset
|
||
const contentURLs = [
|
||
'https://ublockorigin.github.io/uAssets/filters/filters.min.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/badware.min.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/privacy.min.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/unbreak.min.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/quick-fixes.min.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/ubol-filters.txt',
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist.txt',
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easyprivacy.txt',
|
||
'https://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts&showintro=1&mimetype=plaintext',
|
||
];
|
||
await rulesetFromURLs({
|
||
id: 'default',
|
||
name: 'Ads, trackers, miners, and more' ,
|
||
enabled: true,
|
||
secret,
|
||
urls: contentURLs,
|
||
dnrURL: 'https://ublockorigin.github.io/uAssets/dnr/default.json',
|
||
homeURL: 'https://github.com/uBlockOrigin/uAssets',
|
||
filters: [
|
||
],
|
||
});
|
||
|
||
// Regional rulesets
|
||
const excludedLists = [
|
||
'ara-0',
|
||
'EST-0',
|
||
];
|
||
// Merge lists which have same target languages
|
||
const langToListsMap = new Map();
|
||
for ( const [ id, asset ] of Object.entries(assets) ) {
|
||
if ( asset.content !== 'filters' ) { continue; }
|
||
if ( asset.off !== true ) { continue; }
|
||
if ( typeof asset.lang !== 'string' ) { continue; }
|
||
if ( excludedLists.includes(id) ) { continue; }
|
||
let ids = langToListsMap.get(asset.lang);
|
||
if ( ids === undefined ) {
|
||
langToListsMap.set(asset.lang, ids = []);
|
||
}
|
||
ids.push(id);
|
||
}
|
||
for ( const ids of langToListsMap.values() ) {
|
||
const urls = [];
|
||
for ( const id of ids ) {
|
||
const asset = assets[id];
|
||
const contentURL = Array.isArray(asset.contentURL)
|
||
? asset.contentURL[0]
|
||
: asset.contentURL;
|
||
urls.push(contentURL);
|
||
}
|
||
const id = ids[0];
|
||
const asset = assets[id];
|
||
await rulesetFromURLs({
|
||
id: id.toLowerCase(),
|
||
lang: asset.lang,
|
||
name: asset.title,
|
||
enabled: false,
|
||
urls,
|
||
homeURL: asset.supportURL,
|
||
});
|
||
}
|
||
|
||
await rulesetFromURLs({
|
||
id: 'est-0',
|
||
group: 'regions',
|
||
lang: 'et',
|
||
name: '🇪🇪ee: Eesti saitidele kohandatud filter',
|
||
enabled: false,
|
||
urls: [ 'https://ubol-et.adblock.ee/list.txt' ],
|
||
homeURL: 'https://github.com/sander85/uBOL-et',
|
||
});
|
||
|
||
// Handpicked rulesets from assets.json
|
||
const handpicked = [
|
||
'block-lan',
|
||
'dpollock-0',
|
||
'adguard-spyware-url',
|
||
];
|
||
for ( const id of handpicked ) {
|
||
const asset = assets[id];
|
||
if ( asset.content !== 'filters' ) { continue; }
|
||
const contentURL = Array.isArray(asset.contentURL)
|
||
? asset.contentURL[0]
|
||
: asset.contentURL;
|
||
await rulesetFromURLs({
|
||
id: id.toLowerCase(),
|
||
name: asset.title,
|
||
enabled: false,
|
||
urls: [ contentURL ],
|
||
homeURL: asset.supportURL,
|
||
});
|
||
}
|
||
|
||
// Handpicked annoyance rulesets from assets.json
|
||
await rulesetFromURLs({
|
||
id: 'annoyances-cookies',
|
||
name: 'EasyList/uBO – Cookie Notices',
|
||
group: 'annoyances',
|
||
enabled: false,
|
||
secret,
|
||
urls: [
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist-cookies.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/annoyances-cookies.txt',
|
||
],
|
||
homeURL: 'https://github.com/easylist/easylist#fanboy-lists',
|
||
});
|
||
await rulesetFromURLs({
|
||
id: 'annoyances-overlays',
|
||
name: 'EasyList/uBO – Overlay Notices',
|
||
group: 'annoyances',
|
||
enabled: false,
|
||
secret,
|
||
urls: [
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist-newsletters.txt',
|
||
'https://ublockorigin.github.io/uAssets/filters/annoyances-others.txt',
|
||
],
|
||
homeURL: 'https://github.com/easylist/easylist#fanboy-lists',
|
||
});
|
||
await rulesetFromURLs({
|
||
id: 'annoyances-social',
|
||
name: 'EasyList – Social Widgets',
|
||
group: 'annoyances',
|
||
enabled: false,
|
||
urls: [
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist-social.txt',
|
||
],
|
||
homeURL: 'https://github.com/easylist/easylist#fanboy-lists',
|
||
});
|
||
await rulesetFromURLs({
|
||
id: 'annoyances-widgets',
|
||
name: 'EasyList – Chat Widgets',
|
||
group: 'annoyances',
|
||
enabled: false,
|
||
urls: [
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist-chat.txt',
|
||
],
|
||
homeURL: 'https://github.com/easylist/easylist#fanboy-lists',
|
||
});
|
||
await rulesetFromURLs({
|
||
id: 'annoyances-others',
|
||
name: 'EasyList – Other Annoyances',
|
||
group: 'annoyances',
|
||
enabled: false,
|
||
urls: [
|
||
'https://ublockorigin.github.io/uAssets/thirdparties/easylist-annoyances.txt'
|
||
],
|
||
homeURL: 'https://github.com/easylist/easylist#fanboy-lists',
|
||
});
|
||
|
||
// Handpicked rulesets from abroad
|
||
await rulesetFromURLs({
|
||
id: 'stevenblack-hosts',
|
||
name: 'Steven Black’s Unified Hosts (adware + malware)',
|
||
enabled: false,
|
||
urls: [ 'https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts' ],
|
||
homeURL: 'https://github.com/StevenBlack/hosts#readme',
|
||
});
|
||
|
||
writeFile(
|
||
`${rulesetDir}/ruleset-details.json`,
|
||
`${JSON.stringify(rulesetDetails, null, 1)}\n`
|
||
);
|
||
|
||
writeFile(
|
||
`${rulesetDir}/scriptlet-details.json`,
|
||
`${JSON.stringify(scriptletStats, jsonSetMapReplacer, 1)}\n`
|
||
);
|
||
|
||
writeFile(
|
||
`${rulesetDir}/generic-details.json`,
|
||
`${JSON.stringify(genericDetails, jsonSetMapReplacer, 1)}\n`
|
||
);
|
||
|
||
// Copy required redirect resources
|
||
for ( const path of requiredRedirectResources ) {
|
||
copyFile(`./${path}`, `${outputDir}/${path}`);
|
||
}
|
||
|
||
await Promise.all(writeOps);
|
||
|
||
// Patch manifest
|
||
// Get manifest content
|
||
const manifest = await fs.readFile(
|
||
`${outputDir}/manifest.json`,
|
||
{ encoding: 'utf8' }
|
||
).then(text =>
|
||
JSON.parse(text)
|
||
);
|
||
// Patch declarative_net_request key
|
||
manifest.declarative_net_request = { rule_resources: ruleResources };
|
||
// Patch web_accessible_resources key
|
||
const web_accessible_resources = {
|
||
resources: Array.from(requiredRedirectResources).map(path => `/${path}`),
|
||
matches: [ '<all_urls>' ],
|
||
};
|
||
if ( platform === 'chromium' ) {
|
||
web_accessible_resources.use_dynamic_url = true;
|
||
}
|
||
manifest.web_accessible_resources = [ web_accessible_resources ];
|
||
|
||
// Patch manifest version property
|
||
manifest.version = version;
|
||
// Commit changes
|
||
await fs.writeFile(
|
||
`${outputDir}/manifest.json`,
|
||
JSON.stringify(manifest, null, 2) + '\n'
|
||
);
|
||
|
||
// Log results
|
||
const logContent = stdOutput.join('\n') + '\n';
|
||
await fs.writeFile(`${cacheDir}/log.txt`, logContent);
|
||
}
|
||
|
||
main();
|
||
|
||
/******************************************************************************/
|