mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-29 14:17:11 +02:00
98fc66bb1b
See `test.js` for reference on how to enable WASM code paths (which are disabled by default).
1650 lines
56 KiB
JavaScript
1650 lines
56 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2014-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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'use strict';
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/******************************************************************************/
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import '../lib/publicsuffixlist/publicsuffixlist.js';
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import '../lib/punycode.js';
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import cosmeticFilteringEngine from './cosmetic-filtering.js';
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import globals from './globals.js';
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import io from './assets.js';
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import logger from './logger.js';
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import lz4Codec from './lz4.js';
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import staticExtFilteringEngine from './static-ext-filtering.js';
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import staticFilteringReverseLookup from './reverselookup.js';
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import staticNetFilteringEngine from './static-net-filtering.js';
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import µb from './background.js';
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import { hostnameFromURI } from './uri-utils.js';
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import { LineIterator } from './text-iterators.js';
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import { permanentFirewall } from './dynamic-net-filtering.js';
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import { permanentSwitches } from './hnswitches.js';
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import { permanentURLFiltering } from './url-net-filtering.js';
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import { redirectEngine } from './redirect-engine.js';
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import { sparseBase64 } from './base64-custom.js';
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import { StaticFilteringParser } from './static-filtering-parser.js';
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import { ubolog, ubologSet } from './console.js';
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import {
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CompiledListReader,
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CompiledListWriter,
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} from './static-filtering-io.js';
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/******************************************************************************/
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µb.getBytesInUse = async function() {
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const promises = [];
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let bytesInUse;
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// Not all platforms implement this method.
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promises.push(
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vAPI.storage.getBytesInUse instanceof Function
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? vAPI.storage.getBytesInUse(null)
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: undefined
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);
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if (
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navigator.storage instanceof Object &&
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navigator.storage.estimate instanceof Function
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) {
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promises.push(navigator.storage.estimate());
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}
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const results = await Promise.all(promises);
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const processCount = count => {
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if ( typeof count !== 'number' ) { return; }
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if ( bytesInUse === undefined ) { bytesInUse = 0; }
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bytesInUse += count;
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return bytesInUse;
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};
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processCount(results[0]);
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if ( results.length > 1 && results[1] instanceof Object ) {
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processCount(results[1].usage);
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}
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µb.storageUsed = bytesInUse;
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return bytesInUse;
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};
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/******************************************************************************/
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µb.saveLocalSettings = (( ) => {
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const saveAfter = 4 * 60 * 1000;
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const onTimeout = ( ) => {
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if ( µb.localSettingsLastModified > µb.localSettingsLastSaved ) {
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µb.saveLocalSettings();
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}
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vAPI.setTimeout(onTimeout, saveAfter);
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};
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vAPI.setTimeout(onTimeout, saveAfter);
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return function() {
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this.localSettingsLastSaved = Date.now();
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return vAPI.storage.set(this.localSettings);
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};
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})();
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/******************************************************************************/
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µb.loadUserSettings = async function() {
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const usDefault = this.userSettingsDefault;
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const results = await Promise.all([
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vAPI.storage.get(Object.assign(usDefault)),
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vAPI.adminStorage.get('userSettings'),
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]);
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const usUser = results[0] instanceof Object && results[0] ||
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Object.assign(usDefault);
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if ( Array.isArray(results[1]) ) {
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const adminSettings = results[1];
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for ( const entry of adminSettings ) {
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if ( entry.length < 1 ) { continue; }
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const name = entry[0];
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if ( usDefault.hasOwnProperty(name) === false ) { continue; }
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const value = entry.length < 2
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? usDefault[name]
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: this.settingValueFromString(usDefault, name, entry[1]);
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if ( value === undefined ) { continue; }
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usUser[name] = usDefault[name] = value;
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}
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}
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return usUser;
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};
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µb.saveUserSettings = function() {
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const toSave = this.getModifiedSettings(
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this.userSettings,
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this.userSettingsDefault
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);
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// `externalLists` will be deprecated in some future, it is kept around
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// for forward compatibility purpose, and should reflect the content of
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// `importedLists`.
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this.userSettings.externalLists =
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this.userSettings.importedLists.join('\n');
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const toRemove = [];
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for ( const key in this.userSettings ) {
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if ( this.userSettings.hasOwnProperty(key) === false ) { continue; }
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if ( toSave.hasOwnProperty(key) ) { continue; }
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toRemove.push(key);
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}
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if ( toRemove.length !== 0 ) {
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vAPI.storage.remove(toRemove);
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}
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vAPI.storage.set(toSave);
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};
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/******************************************************************************/
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// Admin hidden settings have precedence over user hidden settings.
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µb.loadHiddenSettings = async function() {
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const hsDefault = this.hiddenSettingsDefault;
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const hsAdmin = this.hiddenSettingsAdmin;
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const hsUser = this.hiddenSettings;
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const results = await Promise.all([
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vAPI.adminStorage.get([
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'advancedSettings',
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'disableDashboard',
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'disabledPopupPanelParts',
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]),
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vAPI.storage.get('hiddenSettings'),
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]);
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if ( results[0] instanceof Object ) {
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const {
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advancedSettings,
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disableDashboard,
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disabledPopupPanelParts
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} = results[0];
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if ( Array.isArray(advancedSettings) ) {
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for ( const entry of advancedSettings ) {
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if ( entry.length < 1 ) { continue; }
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const name = entry[0];
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if ( hsDefault.hasOwnProperty(name) === false ) { continue; }
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const value = entry.length < 2
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? hsDefault[name]
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: this.hiddenSettingValueFromString(name, entry[1]);
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if ( value === undefined ) { continue; }
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hsDefault[name] = hsAdmin[name] = hsUser[name] = value;
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}
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}
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µb.noDashboard = disableDashboard === true;
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if ( Array.isArray(disabledPopupPanelParts) ) {
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const partNameToBit = new Map([
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[ 'globalStats', 0b00010 ],
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[ 'basicTools', 0b00100 ],
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[ 'extraTools', 0b01000 ],
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[ 'overviewPane', 0b10000 ],
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]);
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let bits = hsDefault.popupPanelDisabledSections;
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for ( const part of disabledPopupPanelParts ) {
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const bit = partNameToBit.get(part);
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if ( bit === undefined ) { continue; }
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bits |= bit;
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}
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hsDefault.popupPanelDisabledSections =
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hsAdmin.popupPanelDisabledSections =
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hsUser.popupPanelDisabledSections = bits;
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}
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}
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const hs = results[1] instanceof Object && results[1].hiddenSettings || {};
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if ( Object.keys(hsAdmin).length === 0 && Object.keys(hs).length === 0 ) {
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return;
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}
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for ( const key in hsDefault ) {
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if ( hsDefault.hasOwnProperty(key) === false ) { continue; }
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if ( hsAdmin.hasOwnProperty(name) ) { continue; }
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if ( typeof hs[key] !== typeof hsDefault[key] ) { continue; }
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this.hiddenSettings[key] = hs[key];
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}
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if ( typeof this.hiddenSettings.suspendTabsUntilReady === 'boolean' ) {
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this.hiddenSettings.suspendTabsUntilReady =
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this.hiddenSettings.suspendTabsUntilReady
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? 'yes'
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: 'unset';
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}
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this.fireDOMEvent('hiddenSettingsChanged');
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};
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// Note: Save only the settings which values differ from the default ones.
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// This way the new default values in the future will properly apply for
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// those which were not modified by the user.
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µb.saveHiddenSettings = function() {
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vAPI.storage.set({
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hiddenSettings: this.getModifiedSettings(
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this.hiddenSettings,
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this.hiddenSettingsDefault
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)
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});
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};
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self.addEventListener('hiddenSettingsChanged', ( ) => {
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const µbhs = µb.hiddenSettings;
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ubologSet(µbhs.consoleLogLevel === 'info');
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vAPI.net.setOptions({
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cnameIgnoreList: µbhs.cnameIgnoreList,
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cnameIgnore1stParty: µbhs.cnameIgnore1stParty,
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cnameIgnoreExceptions: µbhs.cnameIgnoreExceptions,
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cnameIgnoreRootDocument: µbhs.cnameIgnoreRootDocument,
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cnameMaxTTL: µbhs.cnameMaxTTL,
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cnameReplayFullURL: µbhs.cnameReplayFullURL,
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cnameUncloakProxied: µbhs.cnameUncloakProxied,
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});
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});
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/******************************************************************************/
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µb.hiddenSettingsFromString = function(raw) {
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const out = Object.assign({}, this.hiddenSettingsDefault);
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const lineIter = new LineIterator(raw);
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while ( lineIter.eot() === false ) {
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const line = lineIter.next();
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const matches = /^\s*(\S+)\s+(.+)$/.exec(line);
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if ( matches === null || matches.length !== 3 ) { continue; }
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const name = matches[1];
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if ( out.hasOwnProperty(name) === false ) { continue; }
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if ( this.hiddenSettingsAdmin.hasOwnProperty(name) ) { continue; }
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const value = this.hiddenSettingValueFromString(name, matches[2]);
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if ( value !== undefined ) {
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out[name] = value;
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}
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}
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return out;
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};
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µb.hiddenSettingValueFromString = function(name, value) {
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if ( typeof name !== 'string' || typeof value !== 'string' ) { return; }
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const hsDefault = this.hiddenSettingsDefault;
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if ( hsDefault.hasOwnProperty(name) === false ) { return; }
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let r;
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switch ( typeof hsDefault[name] ) {
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case 'boolean':
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if ( value === 'true' ) {
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r = true;
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} else if ( value === 'false' ) {
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r = false;
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}
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break;
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case 'string':
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r = value.trim();
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break;
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case 'number':
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if ( value.startsWith('0b') ) {
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r = parseInt(value.slice(2), 2);
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} else if ( value.startsWith('0x') ) {
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r = parseInt(value.slice(2), 16);
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} else {
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r = parseInt(value, 10);
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}
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if ( isNaN(r) ) { r = undefined; }
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break;
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default:
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break;
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}
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return r;
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};
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µb.stringFromHiddenSettings = function() {
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const out = [];
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for ( const key of Object.keys(this.hiddenSettings).sort() ) {
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out.push(key + ' ' + this.hiddenSettings[key]);
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}
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return out.join('\n');
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};
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/******************************************************************************/
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µb.savePermanentFirewallRules = function() {
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vAPI.storage.set({
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dynamicFilteringString: permanentFirewall.toString()
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});
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};
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/******************************************************************************/
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µb.savePermanentURLFilteringRules = function() {
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vAPI.storage.set({
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urlFilteringString: permanentURLFiltering.toString()
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});
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};
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/******************************************************************************/
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µb.saveHostnameSwitches = function() {
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vAPI.storage.set({
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hostnameSwitchesString: permanentSwitches.toString()
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});
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};
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/******************************************************************************/
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µb.saveWhitelist = function() {
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vAPI.storage.set({
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netWhitelist: this.arrayFromWhitelist(this.netWhitelist)
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});
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this.netWhitelistModifyTime = Date.now();
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};
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/******************************************************************************/
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µb.loadSelectedFilterLists = async function() {
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const bin = await vAPI.storage.get('selectedFilterLists');
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if ( bin instanceof Object && Array.isArray(bin.selectedFilterLists) ) {
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this.selectedFilterLists = bin.selectedFilterLists;
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return;
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}
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// https://github.com/gorhill/uBlock/issues/747
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// Select default filter lists if first-time launch.
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const lists = await io.metadata();
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this.saveSelectedFilterLists(this.autoSelectRegionalFilterLists(lists));
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};
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µb.saveSelectedFilterLists = function(newKeys, append = false) {
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const oldKeys = this.selectedFilterLists.slice();
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if ( append ) {
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newKeys = newKeys.concat(oldKeys);
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}
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const newSet = new Set(newKeys);
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// Purge unused filter lists from cache.
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for ( const oldKey of oldKeys ) {
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if ( newSet.has(oldKey) === false ) {
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this.removeFilterList(oldKey);
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}
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}
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newKeys = Array.from(newSet);
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this.selectedFilterLists = newKeys;
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return vAPI.storage.set({ selectedFilterLists: newKeys });
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};
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/******************************************************************************/
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µb.applyFilterListSelection = function(details) {
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let selectedListKeySet = new Set(this.selectedFilterLists);
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let importedLists = this.userSettings.importedLists.slice();
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// Filter lists to select
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if ( Array.isArray(details.toSelect) ) {
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if ( details.merge ) {
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for ( let i = 0, n = details.toSelect.length; i < n; i++ ) {
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selectedListKeySet.add(details.toSelect[i]);
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}
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} else {
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selectedListKeySet = new Set(details.toSelect);
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}
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}
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// Imported filter lists to remove
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if ( Array.isArray(details.toRemove) ) {
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for ( let i = 0, n = details.toRemove.length; i < n; i++ ) {
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const assetKey = details.toRemove[i];
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selectedListKeySet.delete(assetKey);
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const pos = importedLists.indexOf(assetKey);
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if ( pos !== -1 ) {
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importedLists.splice(pos, 1);
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}
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this.removeFilterList(assetKey);
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}
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}
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// Filter lists to import
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if ( typeof details.toImport === 'string' ) {
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// https://github.com/gorhill/uBlock/issues/1181
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// Try mapping the URL of an imported filter list to the assetKey
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// of an existing stock list.
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const assetKeyFromURL = url => {
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const needle = url.replace(/^https?:/, '');
|
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const assets = this.availableFilterLists;
|
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for ( const assetKey in assets ) {
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const asset = assets[assetKey];
|
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if ( asset.content !== 'filters' ) { continue; }
|
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if ( typeof asset.contentURL === 'string' ) {
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if ( asset.contentURL.endsWith(needle) ) { return assetKey; }
|
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continue;
|
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}
|
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if ( Array.isArray(asset.contentURL) === false ) { continue; }
|
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for ( let i = 0, n = asset.contentURL.length; i < n; i++ ) {
|
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if ( asset.contentURL[i].endsWith(needle) ) {
|
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return assetKey;
|
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}
|
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}
|
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}
|
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return url;
|
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};
|
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const importedSet = new Set(this.listKeysFromCustomFilterLists(importedLists));
|
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const toImportSet = new Set(this.listKeysFromCustomFilterLists(details.toImport));
|
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for ( const urlKey of toImportSet ) {
|
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if ( importedSet.has(urlKey) ) {
|
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selectedListKeySet.add(urlKey);
|
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continue;
|
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}
|
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const assetKey = assetKeyFromURL(urlKey);
|
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if ( assetKey === urlKey ) {
|
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importedSet.add(urlKey);
|
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}
|
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selectedListKeySet.add(assetKey);
|
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}
|
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importedLists = Array.from(importedSet).sort();
|
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}
|
|
|
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const result = Array.from(selectedListKeySet);
|
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if ( importedLists.join() !== this.userSettings.importedLists.join() ) {
|
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this.userSettings.importedLists = importedLists;
|
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this.saveUserSettings();
|
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}
|
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this.saveSelectedFilterLists(result);
|
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};
|
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|
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/******************************************************************************/
|
|
|
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µb.listKeysFromCustomFilterLists = function(raw) {
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const urls = typeof raw === 'string'
|
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? raw.trim().split(/[\n\r]+/)
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: raw;
|
|
const out = new Set();
|
|
const reIgnore = /^[!#]/;
|
|
const reValid = /^[a-z-]+:\/\/\S+/;
|
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for ( const url of urls ) {
|
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if ( reIgnore.test(url) || !reValid.test(url) ) { continue; }
|
|
// Ignore really bad lists.
|
|
if ( this.badLists.get(url) === true ) { continue; }
|
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out.add(url);
|
|
}
|
|
return Array.from(out);
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|
};
|
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|
|
/******************************************************************************/
|
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|
|
µb.saveUserFilters = function(content) {
|
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// https://github.com/gorhill/uBlock/issues/1022
|
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// Be sure to end with an empty line.
|
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content = content.trim();
|
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if ( content !== '' ) { content += '\n'; }
|
|
this.removeCompiledFilterList(this.userFiltersPath);
|
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return io.put(this.userFiltersPath, content);
|
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};
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|
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µb.loadUserFilters = function() {
|
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return io.get(this.userFiltersPath);
|
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};
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|
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µb.appendUserFilters = async function(filters, options) {
|
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filters = filters.trim();
|
|
if ( filters.length === 0 ) { return; }
|
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|
|
// https://github.com/uBlockOrigin/uBlock-issues/issues/372
|
|
// Auto comment using user-defined template.
|
|
let comment = '';
|
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if (
|
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options instanceof Object &&
|
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options.autoComment === true &&
|
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this.hiddenSettings.autoCommentFilterTemplate.indexOf('{{') !== -1
|
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) {
|
|
const d = new Date();
|
|
// Date in YYYY-MM-DD format - https://stackoverflow.com/a/50130338
|
|
const ISO8061Date = new Date(d.getTime() +
|
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(d.getTimezoneOffset()*60000)).toISOString().split('T')[0];
|
|
const url = new URL(options.docURL);
|
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comment =
|
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'! ' +
|
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this.hiddenSettings.autoCommentFilterTemplate
|
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.replace('{{date}}', ISO8061Date)
|
|
.replace('{{time}}', d.toLocaleTimeString())
|
|
.replace('{{hostname}}', url.hostname)
|
|
.replace('{{origin}}', url.origin)
|
|
.replace('{{url}}', url.href);
|
|
}
|
|
|
|
const details = await this.loadUserFilters();
|
|
if ( details.error ) { return; }
|
|
|
|
// The comment, if any, will be applied if and only if it is different
|
|
// from the last comment found in the user filter list.
|
|
if ( comment !== '' ) {
|
|
const beg = details.content.lastIndexOf(comment);
|
|
const end = beg === -1 ? -1 : beg + comment.length;
|
|
if (
|
|
end === -1 ||
|
|
details.content.startsWith('\n', end) === false ||
|
|
details.content.includes('\n!', end)
|
|
) {
|
|
filters = '\n' + comment + '\n' + filters;
|
|
}
|
|
}
|
|
|
|
// https://github.com/chrisaljoudi/uBlock/issues/976
|
|
// If we reached this point, the filter quite probably needs to be
|
|
// added for sure: do not try to be too smart, trying to avoid
|
|
// duplicates at this point may lead to more issues.
|
|
await this.saveUserFilters(details.content.trim() + '\n' + filters);
|
|
|
|
const compiledFilters = this.compileFilters(filters, {
|
|
assetKey: this.userFiltersPath
|
|
});
|
|
const snfe = staticNetFilteringEngine;
|
|
const cfe = cosmeticFilteringEngine;
|
|
const acceptedCount = snfe.acceptedCount + cfe.acceptedCount;
|
|
const discardedCount = snfe.discardedCount + cfe.discardedCount;
|
|
this.applyCompiledFilters(compiledFilters, true);
|
|
const entry = this.availableFilterLists[this.userFiltersPath];
|
|
const deltaEntryCount =
|
|
snfe.acceptedCount +
|
|
cfe.acceptedCount - acceptedCount;
|
|
const deltaEntryUsedCount =
|
|
deltaEntryCount -
|
|
(snfe.discardedCount + cfe.discardedCount - discardedCount);
|
|
entry.entryCount += deltaEntryCount;
|
|
entry.entryUsedCount += deltaEntryUsedCount;
|
|
vAPI.storage.set({ 'availableFilterLists': this.availableFilterLists });
|
|
staticNetFilteringEngine.freeze();
|
|
redirectEngine.freeze();
|
|
staticExtFilteringEngine.freeze();
|
|
this.selfieManager.destroy();
|
|
|
|
// https://www.reddit.com/r/uBlockOrigin/comments/cj7g7m/
|
|
// https://www.reddit.com/r/uBlockOrigin/comments/cnq0bi/
|
|
if ( options.killCache ) {
|
|
browser.webRequest.handlerBehaviorChanged();
|
|
}
|
|
|
|
vAPI.messaging.broadcast({ what: 'userFiltersUpdated' });
|
|
};
|
|
|
|
µb.createUserFilters = function(details) {
|
|
this.appendUserFilters(details.filters, details);
|
|
// https://github.com/gorhill/uBlock/issues/1786
|
|
if ( details.docURL === undefined ) { return; }
|
|
cosmeticFilteringEngine.removeFromSelectorCache(
|
|
hostnameFromURI(details.docURL)
|
|
);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.autoSelectRegionalFilterLists = function(lists) {
|
|
const selectedListKeys = [ this.userFiltersPath ];
|
|
for ( const key in lists ) {
|
|
if ( lists.hasOwnProperty(key) === false ) { continue; }
|
|
const list = lists[key];
|
|
if ( list.off !== true ) {
|
|
selectedListKeys.push(key);
|
|
continue;
|
|
}
|
|
if ( this.listMatchesEnvironment(list) ) {
|
|
selectedListKeys.push(key);
|
|
list.off = false;
|
|
}
|
|
}
|
|
return selectedListKeys;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.getAvailableLists = async function() {
|
|
let oldAvailableLists = {},
|
|
newAvailableLists = {};
|
|
|
|
// User filter list.
|
|
newAvailableLists[this.userFiltersPath] = {
|
|
group: 'user',
|
|
title: vAPI.i18n('1pPageName')
|
|
};
|
|
|
|
// Custom filter lists.
|
|
const importedListKeys = this.listKeysFromCustomFilterLists(
|
|
this.userSettings.importedLists
|
|
);
|
|
for ( const listKey of importedListKeys ) {
|
|
const entry = {
|
|
content: 'filters',
|
|
contentURL: listKey,
|
|
external: true,
|
|
group: 'custom',
|
|
submitter: 'user',
|
|
title: '',
|
|
};
|
|
newAvailableLists[listKey] = entry;
|
|
io.registerAssetSource(listKey, entry);
|
|
}
|
|
|
|
// Convert a no longer existing stock list into an imported list.
|
|
const customListFromStockList = assetKey => {
|
|
const oldEntry = oldAvailableLists[assetKey];
|
|
if ( oldEntry === undefined || oldEntry.off === true ) { return; }
|
|
let listURL = oldEntry.contentURL;
|
|
if ( Array.isArray(listURL) ) {
|
|
listURL = listURL[0];
|
|
}
|
|
const newEntry = {
|
|
content: 'filters',
|
|
contentURL: listURL,
|
|
external: true,
|
|
group: 'custom',
|
|
submitter: 'user',
|
|
title: oldEntry.title || ''
|
|
};
|
|
newAvailableLists[listURL] = newEntry;
|
|
io.registerAssetSource(listURL, newEntry);
|
|
importedListKeys.push(listURL);
|
|
this.userSettings.importedLists.push(listURL.trim());
|
|
this.saveUserSettings();
|
|
this.saveSelectedFilterLists([ listURL ], true);
|
|
};
|
|
|
|
const promises = [
|
|
vAPI.storage.get('availableFilterLists'),
|
|
io.metadata(),
|
|
this.badLists.size === 0 ? io.get('ublock-badlists') : false,
|
|
];
|
|
|
|
// Load previously saved available lists -- these contains data
|
|
// computed at run-time, we will reuse this data if possible.
|
|
const [ bin, entries, badlists ] = await Promise.all(promises);
|
|
|
|
if ( badlists instanceof Object ) {
|
|
for ( const line of badlists.content.split(/\s*[\n\r]+\s*/) ) {
|
|
if ( line === '' || line.startsWith('#') ) { continue; }
|
|
const fields = line.split(/\s+/);
|
|
const remove = fields.length === 2;
|
|
this.badLists.set(fields[0], remove);
|
|
}
|
|
}
|
|
|
|
oldAvailableLists = bin && bin.availableFilterLists || {};
|
|
|
|
for ( const assetKey in entries ) {
|
|
if ( entries.hasOwnProperty(assetKey) === false ) { continue; }
|
|
const entry = entries[assetKey];
|
|
if ( entry.content !== 'filters' ) { continue; }
|
|
newAvailableLists[assetKey] = Object.assign({}, entry);
|
|
}
|
|
|
|
// Load set of currently selected filter lists.
|
|
const listKeySet = new Set(this.selectedFilterLists);
|
|
for ( const listKey in newAvailableLists ) {
|
|
if ( newAvailableLists.hasOwnProperty(listKey) ) {
|
|
newAvailableLists[listKey].off = !listKeySet.has(listKey);
|
|
}
|
|
}
|
|
|
|
//finalize();
|
|
// Final steps:
|
|
// - reuse existing list metadata if any;
|
|
// - unregister unreferenced imported filter lists if any.
|
|
// Reuse existing metadata.
|
|
for ( const assetKey in oldAvailableLists ) {
|
|
const oldEntry = oldAvailableLists[assetKey];
|
|
const newEntry = newAvailableLists[assetKey];
|
|
// List no longer exists. If a stock list, try to convert to
|
|
// imported list if it was selected.
|
|
if ( newEntry === undefined ) {
|
|
this.removeFilterList(assetKey);
|
|
if ( assetKey.indexOf('://') === -1 ) {
|
|
customListFromStockList(assetKey);
|
|
}
|
|
continue;
|
|
}
|
|
if ( oldEntry.entryCount !== undefined ) {
|
|
newEntry.entryCount = oldEntry.entryCount;
|
|
}
|
|
if ( oldEntry.entryUsedCount !== undefined ) {
|
|
newEntry.entryUsedCount = oldEntry.entryUsedCount;
|
|
}
|
|
// This may happen if the list name was pulled from the list
|
|
// content.
|
|
// https://github.com/chrisaljoudi/uBlock/issues/982
|
|
// There is no guarantee the title was successfully extracted from
|
|
// the list content.
|
|
if (
|
|
newEntry.title === '' &&
|
|
typeof oldEntry.title === 'string' &&
|
|
oldEntry.title !== ''
|
|
) {
|
|
newEntry.title = oldEntry.title;
|
|
}
|
|
}
|
|
|
|
// Remove unreferenced imported filter lists.
|
|
for ( const assetKey in newAvailableLists ) {
|
|
const newEntry = newAvailableLists[assetKey];
|
|
if ( newEntry.submitter !== 'user' ) { continue; }
|
|
if ( importedListKeys.indexOf(assetKey) !== -1 ) { continue; }
|
|
delete newAvailableLists[assetKey];
|
|
io.unregisterAssetSource(assetKey);
|
|
this.removeFilterList(assetKey);
|
|
}
|
|
|
|
return newAvailableLists;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.loadFilterLists = (( ) => {
|
|
const loadedListKeys = [];
|
|
let loadingPromise;
|
|
let t0 = 0;
|
|
|
|
const onDone = function() {
|
|
ubolog(`loadFilterLists() took ${Date.now()-t0} ms`);
|
|
|
|
staticNetFilteringEngine.freeze();
|
|
staticExtFilteringEngine.freeze();
|
|
redirectEngine.freeze();
|
|
vAPI.net.unsuspend();
|
|
|
|
vAPI.storage.set({ 'availableFilterLists': this.availableFilterLists });
|
|
|
|
vAPI.messaging.broadcast({
|
|
what: 'staticFilteringDataChanged',
|
|
parseCosmeticFilters: this.userSettings.parseAllABPHideFilters,
|
|
ignoreGenericCosmeticFilters: this.userSettings.ignoreGenericCosmeticFilters,
|
|
listKeys: loadedListKeys
|
|
});
|
|
|
|
this.selfieManager.destroy();
|
|
lz4Codec.relinquish();
|
|
this.compiledFormatChanged = false;
|
|
|
|
loadingPromise = undefined;
|
|
};
|
|
|
|
const applyCompiledFilters = function(assetKey, compiled) {
|
|
const snfe = staticNetFilteringEngine;
|
|
const sxfe = staticExtFilteringEngine;
|
|
let acceptedCount = snfe.acceptedCount + sxfe.acceptedCount,
|
|
discardedCount = snfe.discardedCount + sxfe.discardedCount;
|
|
this.applyCompiledFilters(compiled, assetKey === this.userFiltersPath);
|
|
if ( this.availableFilterLists.hasOwnProperty(assetKey) ) {
|
|
const entry = this.availableFilterLists[assetKey];
|
|
entry.entryCount = snfe.acceptedCount + sxfe.acceptedCount -
|
|
acceptedCount;
|
|
entry.entryUsedCount = entry.entryCount -
|
|
(snfe.discardedCount + sxfe.discardedCount - discardedCount);
|
|
}
|
|
loadedListKeys.push(assetKey);
|
|
};
|
|
|
|
const onFilterListsReady = function(lists) {
|
|
this.availableFilterLists = lists;
|
|
|
|
vAPI.net.suspend();
|
|
redirectEngine.reset();
|
|
staticExtFilteringEngine.reset();
|
|
staticNetFilteringEngine.reset();
|
|
this.selfieManager.destroy();
|
|
staticFilteringReverseLookup.resetLists();
|
|
|
|
// We need to build a complete list of assets to pull first: this is
|
|
// because it *may* happens that some load operations are synchronous:
|
|
// This happens for assets which do not exist, or assets with no
|
|
// content.
|
|
const toLoad = [];
|
|
for ( const assetKey in lists ) {
|
|
if ( lists.hasOwnProperty(assetKey) === false ) { continue; }
|
|
if ( lists[assetKey].off ) { continue; }
|
|
|
|
toLoad.push(
|
|
this.getCompiledFilterList(assetKey).then(details => {
|
|
applyCompiledFilters.call(
|
|
this,
|
|
details.assetKey,
|
|
details.content
|
|
);
|
|
})
|
|
);
|
|
}
|
|
|
|
return Promise.all(toLoad);
|
|
};
|
|
|
|
return function() {
|
|
if ( loadingPromise instanceof Promise === false ) {
|
|
t0 = Date.now();
|
|
loadedListKeys.length = 0;
|
|
loadingPromise = Promise.all([
|
|
this.getAvailableLists().then(lists =>
|
|
onFilterListsReady.call(this, lists)
|
|
),
|
|
this.loadRedirectResources(),
|
|
]).then(( ) => {
|
|
onDone.call(this);
|
|
});
|
|
}
|
|
return loadingPromise;
|
|
};
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.getCompiledFilterList = async function(assetKey) {
|
|
const compiledPath = 'compiled/' + assetKey;
|
|
|
|
// https://github.com/uBlockOrigin/uBlock-issues/issues/1365
|
|
// Verify that the list version matches that of the current compiled
|
|
// format.
|
|
if (
|
|
this.compiledFormatChanged === false &&
|
|
this.badLists.has(assetKey) === false
|
|
) {
|
|
const compiledDetails = await io.get(compiledPath);
|
|
if (
|
|
parseInt(compiledDetails.content, 10) ===
|
|
this.systemSettings.compiledMagic
|
|
) {
|
|
compiledDetails.assetKey = assetKey;
|
|
return compiledDetails;
|
|
}
|
|
}
|
|
|
|
// Skip downloading really bad lists.
|
|
if ( this.badLists.get(assetKey) ) {
|
|
return { assetKey, content: '' };
|
|
}
|
|
|
|
const rawDetails = await io.get(assetKey, { silent: true });
|
|
// Compiling an empty string results in an empty string.
|
|
if ( rawDetails.content === '' ) {
|
|
rawDetails.assetKey = assetKey;
|
|
return rawDetails;
|
|
}
|
|
|
|
this.extractFilterListMetadata(assetKey, rawDetails.content);
|
|
|
|
// Skip compiling bad lists.
|
|
if ( this.badLists.has(assetKey) ) {
|
|
return { assetKey, content: '' };
|
|
}
|
|
|
|
const compiledContent =
|
|
this.compileFilters(rawDetails.content, { assetKey });
|
|
io.put(compiledPath, compiledContent);
|
|
|
|
return { assetKey, content: compiledContent };
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/3406
|
|
// Lower minimum update period to 1 day.
|
|
// https://bugs.chromium.org/p/v8/issues/detail?id=2869
|
|
// orphanizeString is to work around String.slice() potentially causing
|
|
// the whole raw filter list to be held in memory just because we cut out
|
|
// the title as a substring.
|
|
|
|
µb.extractFilterListMetadata = function(assetKey, raw) {
|
|
const listEntry = this.availableFilterLists[assetKey];
|
|
if ( listEntry === undefined ) { return; }
|
|
// Metadata expected to be found at the top of content.
|
|
const head = raw.slice(0, 1024);
|
|
// https://github.com/gorhill/uBlock/issues/313
|
|
// Always try to fetch the name if this is an external filter list.
|
|
if ( listEntry.group === 'custom' ) {
|
|
let matches = head.match(/(?:^|\n)(?:!|# )[\t ]*Title[\t ]*:([^\n]+)/i);
|
|
const title = matches && matches[1].trim() || '';
|
|
if ( title !== '' && title !== listEntry.title ) {
|
|
listEntry.title = this.orphanizeString(title);
|
|
io.registerAssetSource(assetKey, { title });
|
|
}
|
|
matches = head.match(/(?:^|\n)(?:!|# )[\t ]*Homepage[\t ]*:[\t ]*(https?:\/\/\S+)\s/i);
|
|
const supportURL = matches && matches[1] || '';
|
|
if ( supportURL !== '' && supportURL !== listEntry.supportURL ) {
|
|
listEntry.supportURL = this.orphanizeString(supportURL);
|
|
io.registerAssetSource(assetKey, { supportURL });
|
|
}
|
|
}
|
|
// Extract update frequency information
|
|
const matches = head.match(/(?:^|\n)(?:!|# )[\t ]*Expires[\t ]*:[\t ]*(\d+)[\t ]*(h)?/i);
|
|
if ( matches !== null ) {
|
|
let updateAfter = parseInt(matches[1], 10);
|
|
if ( isNaN(updateAfter) === false ) {
|
|
if ( matches[2] !== undefined ) {
|
|
updateAfter = Math.ceil(updateAfter / 24);
|
|
}
|
|
updateAfter = Math.max(updateAfter, 1);
|
|
if ( updateAfter !== listEntry.updateAfter ) {
|
|
listEntry.updateAfter = updateAfter;
|
|
io.registerAssetSource(assetKey, { updateAfter });
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.removeCompiledFilterList = function(assetKey) {
|
|
io.remove('compiled/' + assetKey);
|
|
};
|
|
|
|
µb.removeFilterList = function(assetKey) {
|
|
this.removeCompiledFilterList(assetKey);
|
|
io.remove(assetKey);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.compileFilters = function(rawText, details = {}) {
|
|
const writer = new CompiledListWriter();
|
|
|
|
// Populate the writer with information potentially useful to the
|
|
// client compilers.
|
|
if ( details.assetKey ) {
|
|
writer.properties.set('name', details.assetKey);
|
|
}
|
|
const expertMode =
|
|
details.assetKey !== this.userFiltersPath ||
|
|
this.hiddenSettings.filterAuthorMode !== false;
|
|
// Useful references:
|
|
// https://adblockplus.org/en/filter-cheatsheet
|
|
// https://adblockplus.org/en/filters
|
|
const lineIter = new LineIterator(this.preparseDirectives.prune(rawText));
|
|
const parser = new StaticFilteringParser({ expertMode });
|
|
|
|
parser.setMaxTokenLength(staticNetFilteringEngine.MAX_TOKEN_LENGTH);
|
|
|
|
while ( lineIter.eot() === false ) {
|
|
let line = lineIter.next();
|
|
|
|
while ( line.endsWith(' \\') ) {
|
|
if ( lineIter.peek(4) !== ' ' ) { break; }
|
|
line = line.slice(0, -2).trim() + lineIter.next().trim();
|
|
}
|
|
|
|
parser.analyze(line);
|
|
|
|
if ( parser.shouldIgnore() ) { continue; }
|
|
|
|
if ( parser.category === parser.CATStaticExtFilter ) {
|
|
staticExtFilteringEngine.compile(parser, writer);
|
|
continue;
|
|
}
|
|
|
|
if ( parser.category !== parser.CATStaticNetFilter ) { continue; }
|
|
|
|
// https://github.com/gorhill/uBlock/issues/2599
|
|
// convert hostname to punycode if needed
|
|
if ( parser.patternHasUnicode() && parser.toASCII() === false ) {
|
|
continue;
|
|
}
|
|
if ( staticNetFilteringEngine.compile(parser, writer) ) { continue; }
|
|
if ( staticNetFilteringEngine.error !== undefined ) {
|
|
logger.writeOne({
|
|
realm: 'message',
|
|
type: 'error',
|
|
text: staticNetFilteringEngine.error
|
|
});
|
|
}
|
|
}
|
|
|
|
// https://github.com/uBlockOrigin/uBlock-issues/issues/1365
|
|
// Embed version into compiled list itself: it is encoded in as the
|
|
// first digits followed by a whitespace.
|
|
const compiledContent
|
|
= `${this.systemSettings.compiledMagic}\n` + writer.toString();
|
|
|
|
return compiledContent;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/1395
|
|
// Added `firstparty` argument: to avoid discarding cosmetic filters when
|
|
// applying 1st-party filters.
|
|
|
|
µb.applyCompiledFilters = function(rawText, firstparty) {
|
|
if ( rawText === '' ) { return; }
|
|
const reader = new CompiledListReader(rawText);
|
|
staticNetFilteringEngine.fromCompiled(reader);
|
|
staticExtFilteringEngine.fromCompiledContent(reader, {
|
|
skipGenericCosmetic: this.userSettings.ignoreGenericCosmeticFilters,
|
|
skipCosmetic: !firstparty && !this.userSettings.parseAllABPHideFilters
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/AdguardTeam/AdguardBrowserExtension/issues/917
|
|
|
|
µb.preparseDirectives = {
|
|
// This method returns an array of indices, corresponding to position in
|
|
// the content string which should alternatively be parsed and discarded.
|
|
split: function(content) {
|
|
const reIf = /^!#(if|endif)\b([^\n]*)(?:[\n\r]+|$)/gm;
|
|
const soup = vAPI.webextFlavor.soup;
|
|
const stack = [];
|
|
const shouldDiscard = ( ) => stack.some(v => v);
|
|
const parts = [ 0 ];
|
|
let discard = false;
|
|
|
|
for (;;) {
|
|
const match = reIf.exec(content);
|
|
if ( match === null ) { break; }
|
|
|
|
switch ( match[1] ) {
|
|
case 'if':
|
|
let expr = match[2].trim();
|
|
const target = expr.charCodeAt(0) === 0x21 /* '!' */;
|
|
if ( target ) { expr = expr.slice(1); }
|
|
const token = this.tokens.get(expr);
|
|
const startDiscard =
|
|
token === 'false' && target === false ||
|
|
token !== undefined && soup.has(token) === target;
|
|
if ( discard === false && startDiscard ) {
|
|
parts.push(match.index);
|
|
discard = true;
|
|
}
|
|
stack.push(startDiscard);
|
|
break;
|
|
|
|
case 'endif':
|
|
stack.pop();
|
|
const stopDiscard = shouldDiscard() === false;
|
|
if ( discard && stopDiscard ) {
|
|
parts.push(match.index + match[0].length);
|
|
discard = false;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
parts.push(content.length);
|
|
return parts;
|
|
},
|
|
|
|
prune: function(content) {
|
|
const parts = this.split(content);
|
|
const out = [];
|
|
for ( let i = 0, n = parts.length - 1; i < n; i += 2 ) {
|
|
const beg = parts[i+0];
|
|
const end = parts[i+1];
|
|
out.push(content.slice(beg, end));
|
|
}
|
|
return out.join('\n');
|
|
},
|
|
|
|
getHints: function() {
|
|
const out = [];
|
|
const vals = new Set();
|
|
for ( const [ key, val ] of this.tokens ) {
|
|
if ( vals.has(val) ) { continue; }
|
|
vals.add(val);
|
|
out.push(key);
|
|
}
|
|
return out;
|
|
},
|
|
|
|
getTokens: function() {
|
|
const out = new Map();
|
|
const soup = vAPI.webextFlavor.soup;
|
|
for ( const [ key, val ] of this.tokens ) {
|
|
out.set(key, val !== 'false' && soup.has(val));
|
|
}
|
|
return Array.from(out);
|
|
},
|
|
|
|
tokens: new Map([
|
|
[ 'ext_ublock', 'ublock' ],
|
|
[ 'env_chromium', 'chromium' ],
|
|
[ 'env_edge', 'edge' ],
|
|
[ 'env_firefox', 'firefox' ],
|
|
[ 'env_legacy', 'legacy' ],
|
|
[ 'env_mobile', 'mobile' ],
|
|
[ 'env_safari', 'safari' ],
|
|
[ 'cap_html_filtering', 'html_filtering' ],
|
|
[ 'cap_user_stylesheet', 'user_stylesheet' ],
|
|
[ 'false', 'false' ],
|
|
// Hoping ABP-only list maintainers can at least make use of it to
|
|
// help non-ABP content blockers better deal with filters benefiting
|
|
// only ABP.
|
|
[ 'ext_abp', 'false' ],
|
|
// Compatibility with other blockers
|
|
// https://kb.adguard.com/en/general/how-to-create-your-own-ad-filters#adguard-specific
|
|
[ 'adguard', 'adguard' ],
|
|
[ 'adguard_app_android', 'false' ],
|
|
[ 'adguard_app_ios', 'false' ],
|
|
[ 'adguard_app_mac', 'false' ],
|
|
[ 'adguard_app_windows', 'false' ],
|
|
[ 'adguard_ext_android_cb', 'false' ],
|
|
[ 'adguard_ext_chromium', 'chromium' ],
|
|
[ 'adguard_ext_edge', 'edge' ],
|
|
[ 'adguard_ext_firefox', 'firefox' ],
|
|
[ 'adguard_ext_opera', 'chromium' ],
|
|
[ 'adguard_ext_safari', 'false' ],
|
|
]),
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.loadRedirectResources = async function() {
|
|
try {
|
|
const success = await redirectEngine.resourcesFromSelfie();
|
|
if ( success === true ) { return true; }
|
|
|
|
const fetchPromises = [
|
|
redirectEngine.loadBuiltinResources()
|
|
];
|
|
|
|
const userResourcesLocation = this.hiddenSettings.userResourcesLocation;
|
|
if ( userResourcesLocation !== 'unset' ) {
|
|
for ( const url of userResourcesLocation.split(/\s+/) ) {
|
|
fetchPromises.push(io.fetchText(url));
|
|
}
|
|
}
|
|
|
|
const results = await Promise.all(fetchPromises);
|
|
if ( Array.isArray(results) === false ) { return results; }
|
|
|
|
let content = '';
|
|
for ( let i = 1; i < results.length; i++ ) {
|
|
const result = results[i];
|
|
if (
|
|
result instanceof Object === false ||
|
|
typeof result.content !== 'string' ||
|
|
result.content === ''
|
|
) {
|
|
continue;
|
|
}
|
|
content += '\n\n' + result.content;
|
|
}
|
|
|
|
redirectEngine.resourcesFromString(content);
|
|
redirectEngine.selfieFromResources();
|
|
} catch(ex) {
|
|
ubolog(ex);
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.loadPublicSuffixList = async function() {
|
|
const psl = globals.publicSuffixList;
|
|
|
|
// WASM is nice but not critical
|
|
if ( this.hiddenSettings.disableWebAssembly !== true ) {
|
|
const wasmModuleFetcher = function(path) {
|
|
return fetch( `${path}.wasm`, {
|
|
mode: 'same-origin'
|
|
}).then(
|
|
globals.WebAssembly.compileStreaming
|
|
).catch(reason => {
|
|
ubolog(reason);
|
|
});
|
|
};
|
|
let result = false;
|
|
try {
|
|
result = await psl.enableWASM(wasmModuleFetcher,
|
|
'./lib/publicsuffixlist/wasm/'
|
|
);
|
|
} catch(reason) {
|
|
ubolog(reason);
|
|
}
|
|
if ( result ) {
|
|
ubolog(`WASM PSL ready ${Date.now()-vAPI.T0} ms after launch`);
|
|
}
|
|
}
|
|
|
|
try {
|
|
const result = await io.get(`compiled/${this.pslAssetKey}`);
|
|
if ( psl.fromSelfie(result.content, sparseBase64) ) { return; }
|
|
} catch (reason) {
|
|
ubolog(reason);
|
|
}
|
|
|
|
const result = await io.get(this.pslAssetKey);
|
|
if ( result.content !== '' ) {
|
|
this.compilePublicSuffixList(result.content);
|
|
}
|
|
};
|
|
|
|
µb.compilePublicSuffixList = function(content) {
|
|
const psl = globals.publicSuffixList;
|
|
psl.parse(content, globals.punycode.toASCII);
|
|
io.put(`compiled/${this.pslAssetKey}`, psl.toSelfie(sparseBase64));
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// This is to be sure the selfie is generated in a sane manner: the selfie will
|
|
// be generated if the user doesn't change his filter lists selection for
|
|
// some set time.
|
|
|
|
µb.selfieManager = (( ) => {
|
|
let createTimer;
|
|
let destroyTimer;
|
|
|
|
// As of 2018-05-31:
|
|
// JSON.stringify-ing ourselves results in a better baseline
|
|
// memory usage at selfie-load time. For some reasons.
|
|
|
|
const create = async function() {
|
|
await Promise.all([
|
|
io.put(
|
|
'selfie/main',
|
|
JSON.stringify({
|
|
magic: µb.systemSettings.selfieMagic,
|
|
availableFilterLists: µb.availableFilterLists,
|
|
})
|
|
),
|
|
redirectEngine.toSelfie('selfie/redirectEngine'),
|
|
staticExtFilteringEngine.toSelfie(
|
|
'selfie/staticExtFilteringEngine'
|
|
),
|
|
staticNetFilteringEngine.toSelfie(io,
|
|
'selfie/staticNetFilteringEngine'
|
|
),
|
|
]);
|
|
lz4Codec.relinquish();
|
|
µb.selfieIsInvalid = false;
|
|
};
|
|
|
|
const loadMain = async function() {
|
|
const details = await io.get('selfie/main');
|
|
if (
|
|
details instanceof Object === false ||
|
|
typeof details.content !== 'string' ||
|
|
details.content === ''
|
|
) {
|
|
return false;
|
|
}
|
|
let selfie;
|
|
try {
|
|
selfie = JSON.parse(details.content);
|
|
} catch(ex) {
|
|
}
|
|
if (
|
|
selfie instanceof Object === false ||
|
|
selfie.magic !== µb.systemSettings.selfieMagic
|
|
) {
|
|
return false;
|
|
}
|
|
µb.availableFilterLists = selfie.availableFilterLists;
|
|
return true;
|
|
};
|
|
|
|
const load = async function() {
|
|
if ( µb.selfieIsInvalid ) {
|
|
return false;
|
|
}
|
|
try {
|
|
const results = await Promise.all([
|
|
loadMain(),
|
|
redirectEngine.fromSelfie('selfie/redirectEngine'),
|
|
staticExtFilteringEngine.fromSelfie(
|
|
'selfie/staticExtFilteringEngine'
|
|
),
|
|
staticNetFilteringEngine.fromSelfie(io,
|
|
'selfie/staticNetFilteringEngine'
|
|
),
|
|
]);
|
|
if ( results.every(v => v) ) {
|
|
return µb.loadRedirectResources();
|
|
}
|
|
}
|
|
catch (reason) {
|
|
ubolog(reason);
|
|
}
|
|
destroy();
|
|
return false;
|
|
};
|
|
|
|
const destroy = function() {
|
|
io.remove(/^selfie\//);
|
|
µb.selfieIsInvalid = true;
|
|
createTimer = vAPI.setTimeout(( ) => {
|
|
createTimer = undefined;
|
|
create();
|
|
}, µb.hiddenSettings.selfieAfter * 60000);
|
|
};
|
|
|
|
const destroyAsync = function() {
|
|
if ( destroyTimer !== undefined ) { return; }
|
|
if ( createTimer !== undefined ) {
|
|
clearTimeout(createTimer);
|
|
createTimer = undefined;
|
|
}
|
|
destroyTimer = vAPI.setTimeout(
|
|
( ) => {
|
|
destroyTimer = undefined;
|
|
destroy();
|
|
},
|
|
1019
|
|
);
|
|
µb.selfieIsInvalid = true;
|
|
};
|
|
|
|
return { load, destroy: destroyAsync };
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/531
|
|
// Overwrite user settings with admin settings if present.
|
|
//
|
|
// Admin settings match layout of a uBlock backup. Not all data is
|
|
// necessarily present, i.e. administrators may removed entries which
|
|
// values are left to the user's choice.
|
|
|
|
µb.restoreAdminSettings = async function() {
|
|
let toOverwrite = {};
|
|
let data;
|
|
try {
|
|
const store = await vAPI.adminStorage.get([
|
|
'adminSettings',
|
|
'toOverwrite',
|
|
]) || {};
|
|
if ( store.toOverwrite instanceof Object ) {
|
|
toOverwrite = store.toOverwrite;
|
|
}
|
|
const json = store.adminSettings;
|
|
if ( typeof json === 'string' && json !== '' ) {
|
|
data = JSON.parse(json);
|
|
} else if ( json instanceof Object ) {
|
|
data = json;
|
|
}
|
|
} catch (ex) {
|
|
console.error(ex);
|
|
}
|
|
|
|
if ( data instanceof Object === false ) { data = {}; }
|
|
|
|
const bin = {};
|
|
let binNotEmpty = false;
|
|
|
|
// https://github.com/uBlockOrigin/uBlock-issues/issues/666
|
|
// Allows an admin to set their own 'assets.json' file, with their
|
|
// own set of stock assets.
|
|
if (
|
|
typeof data.assetsBootstrapLocation === 'string' &&
|
|
data.assetsBootstrapLocation !== ''
|
|
) {
|
|
µb.assetsBootstrapLocation = data.assetsBootstrapLocation;
|
|
}
|
|
|
|
if ( typeof data.userSettings === 'object' ) {
|
|
const µbus = this.userSettings;
|
|
const adminus = data.userSettings;
|
|
for ( const name in µbus ) {
|
|
if ( µbus.hasOwnProperty(name) === false ) { continue; }
|
|
if ( adminus.hasOwnProperty(name) === false ) { continue; }
|
|
bin[name] = adminus[name];
|
|
binNotEmpty = true;
|
|
}
|
|
}
|
|
|
|
// 'selectedFilterLists' is an array of filter list tokens. Each token
|
|
// is a reference to an asset in 'assets.json', or a URL for lists not
|
|
// present in 'assets.json'.
|
|
if (
|
|
Array.isArray(toOverwrite.filterLists) &&
|
|
toOverwrite.filterLists.length !== 0
|
|
) {
|
|
const importedLists = [];
|
|
for ( const list of toOverwrite.filterLists ) {
|
|
if ( /^[a-z-]+:\/\//.test(list) === false ) { continue; }
|
|
importedLists.push(list);
|
|
}
|
|
if ( importedLists.length !== 0 ) {
|
|
bin.importedLists = importedLists;
|
|
bin.externalLists = importedLists.join('\n');
|
|
}
|
|
bin.selectedFilterLists = toOverwrite.filterLists;
|
|
binNotEmpty = true;
|
|
} else if ( Array.isArray(data.selectedFilterLists) ) {
|
|
bin.selectedFilterLists = data.selectedFilterLists;
|
|
binNotEmpty = true;
|
|
}
|
|
|
|
if (
|
|
Array.isArray(toOverwrite.trustedSiteDirectives) &&
|
|
toOverwrite.trustedSiteDirectives.length !== 0
|
|
) {
|
|
µb.netWhitelistDefault = toOverwrite.trustedSiteDirectives.slice();
|
|
bin.netWhitelist = toOverwrite.trustedSiteDirectives.slice();
|
|
binNotEmpty = true;
|
|
} else if ( Array.isArray(data.whitelist) ) {
|
|
bin.netWhitelist = data.whitelist;
|
|
binNotEmpty = true;
|
|
} else if ( typeof data.netWhitelist === 'string' ) {
|
|
bin.netWhitelist = data.netWhitelist.split('\n');
|
|
binNotEmpty = true;
|
|
}
|
|
|
|
if ( typeof data.dynamicFilteringString === 'string' ) {
|
|
bin.dynamicFilteringString = data.dynamicFilteringString;
|
|
binNotEmpty = true;
|
|
}
|
|
|
|
if ( typeof data.urlFilteringString === 'string' ) {
|
|
bin.urlFilteringString = data.urlFilteringString;
|
|
binNotEmpty = true;
|
|
}
|
|
|
|
if ( typeof data.hostnameSwitchesString === 'string' ) {
|
|
bin.hostnameSwitchesString = data.hostnameSwitchesString;
|
|
binNotEmpty = true;
|
|
}
|
|
|
|
if ( binNotEmpty ) {
|
|
vAPI.storage.set(bin);
|
|
}
|
|
|
|
if (
|
|
Array.isArray(toOverwrite.filters) &&
|
|
toOverwrite.filters.length !== 0
|
|
) {
|
|
this.saveUserFilters(toOverwrite.filters.join('\n'));
|
|
} else if ( typeof data.userFilters === 'string' ) {
|
|
this.saveUserFilters(data.userFilters);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/2344
|
|
// Support mutliple locales per filter list.
|
|
|
|
// https://github.com/gorhill/uBlock/issues/3210
|
|
// Support ability to auto-enable a filter list based on user agent.
|
|
|
|
µb.listMatchesEnvironment = function(details) {
|
|
// Matches language?
|
|
if ( typeof details.lang === 'string' ) {
|
|
let re = this.listMatchesEnvironment.reLang;
|
|
if ( re === undefined ) {
|
|
const match = /^[a-z]+/.exec(self.navigator.language);
|
|
if ( match !== null ) {
|
|
re = new RegExp('\\b' + match[0] + '\\b');
|
|
this.listMatchesEnvironment.reLang = re;
|
|
}
|
|
}
|
|
if ( re !== undefined && re.test(details.lang) ) { return true; }
|
|
}
|
|
// Matches user agent?
|
|
if ( typeof details.ua === 'string' ) {
|
|
let re = new RegExp('\\b' + this.escapeRegex(details.ua) + '\\b', 'i');
|
|
if ( re.test(self.navigator.userAgent) ) { return true; }
|
|
}
|
|
return false;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.scheduleAssetUpdater = (( ) => {
|
|
let timer, next = 0;
|
|
|
|
return function(updateDelay) {
|
|
if ( timer ) {
|
|
clearTimeout(timer);
|
|
timer = undefined;
|
|
}
|
|
if ( updateDelay === 0 ) {
|
|
next = 0;
|
|
return;
|
|
}
|
|
const now = Date.now();
|
|
// Use the new schedule if and only if it is earlier than the previous
|
|
// one.
|
|
if ( next !== 0 ) {
|
|
updateDelay = Math.min(updateDelay, Math.max(next - now, 0));
|
|
}
|
|
next = now + updateDelay;
|
|
timer = vAPI.setTimeout(( ) => {
|
|
timer = undefined;
|
|
next = 0;
|
|
io.updateStart({
|
|
delay: this.hiddenSettings.autoUpdateAssetFetchPeriod * 1000 ||
|
|
120000,
|
|
auto: true,
|
|
});
|
|
}, updateDelay);
|
|
};
|
|
})();
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.assetObserver = function(topic, details) {
|
|
// Do not update filter list if not in use.
|
|
// Also, ignore really bad lists, i.e. those which should not even be
|
|
// fetched from a remote server.
|
|
if ( topic === 'before-asset-updated' ) {
|
|
if ( details.type === 'filters' ) {
|
|
if (
|
|
this.availableFilterLists.hasOwnProperty(details.assetKey) === false ||
|
|
this.selectedFilterLists.indexOf(details.assetKey) === -1 ||
|
|
this.badLists.get(details.assetKey)
|
|
) {
|
|
return;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Compile the list while we have the raw version in memory
|
|
if ( topic === 'after-asset-updated' ) {
|
|
// Skip selfie-related content.
|
|
if ( details.assetKey.startsWith('selfie/') ) { return; }
|
|
const cached = typeof details.content === 'string' &&
|
|
details.content !== '';
|
|
if ( this.availableFilterLists.hasOwnProperty(details.assetKey) ) {
|
|
if ( cached ) {
|
|
if ( this.selectedFilterLists.indexOf(details.assetKey) !== -1 ) {
|
|
this.extractFilterListMetadata(
|
|
details.assetKey,
|
|
details.content
|
|
);
|
|
if ( this.badLists.has(details.assetKey) === false ) {
|
|
io.put(
|
|
'compiled/' + details.assetKey,
|
|
this.compileFilters(details.content, {
|
|
assetKey: details.assetKey
|
|
})
|
|
);
|
|
}
|
|
}
|
|
} else {
|
|
this.removeCompiledFilterList(details.assetKey);
|
|
}
|
|
} else if ( details.assetKey === this.pslAssetKey ) {
|
|
if ( cached ) {
|
|
this.compilePublicSuffixList(details.content);
|
|
}
|
|
} else if ( details.assetKey === 'ublock-badlists' ) {
|
|
this.badLists = new Map();
|
|
}
|
|
vAPI.messaging.broadcast({
|
|
what: 'assetUpdated',
|
|
key: details.assetKey,
|
|
cached: cached
|
|
});
|
|
// https://github.com/gorhill/uBlock/issues/2585
|
|
// Whenever an asset is overwritten, the current selfie is quite
|
|
// likely no longer valid.
|
|
this.selfieManager.destroy();
|
|
return;
|
|
}
|
|
|
|
// Update failed.
|
|
if ( topic === 'asset-update-failed' ) {
|
|
vAPI.messaging.broadcast({
|
|
what: 'assetUpdated',
|
|
key: details.assetKey,
|
|
failed: true
|
|
});
|
|
return;
|
|
}
|
|
|
|
// Reload all filter lists if needed.
|
|
if ( topic === 'after-assets-updated' ) {
|
|
if ( details.assetKeys.length !== 0 ) {
|
|
// https://github.com/gorhill/uBlock/pull/2314#issuecomment-278716960
|
|
if (
|
|
this.hiddenSettings.userResourcesLocation !== 'unset' ||
|
|
vAPI.webextFlavor.soup.has('devbuild')
|
|
) {
|
|
redirectEngine.invalidateResourcesSelfie();
|
|
}
|
|
this.loadFilterLists();
|
|
}
|
|
if ( this.userSettings.autoUpdate ) {
|
|
this.scheduleAssetUpdater(this.hiddenSettings.autoUpdatePeriod * 3600000 || 25200000);
|
|
} else {
|
|
this.scheduleAssetUpdater(0);
|
|
}
|
|
vAPI.messaging.broadcast({
|
|
what: 'assetsUpdated',
|
|
assetKeys: details.assetKeys
|
|
});
|
|
return;
|
|
}
|
|
|
|
// New asset source became available, if it's a filter list, should we
|
|
// auto-select it?
|
|
if ( topic === 'builtin-asset-source-added' ) {
|
|
if ( details.entry.content === 'filters' ) {
|
|
if (
|
|
details.entry.off !== true ||
|
|
this.listMatchesEnvironment(details.entry)
|
|
) {
|
|
this.saveSelectedFilterLists([ details.assetKey ], true);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
};
|