mirror of
https://github.com/gorhill/uBlock.git
synced 2026-03-11 09:04:36 +00:00
a71b71e4c8
The new parser no longer uses the browser DOM to validate that a cosmetic filter is valid or not, this is now done through a JS library, CSSTree. This means filter list authors will have to be more careful to ensure that a cosmetic filter is really valid, as there is no more guarantee that a cosmetic filter which works for a given browser/version will still work properly on another browser, or different version of the same browser. This change has become necessary because of many reasons, one of them being the flakiness of the previous parser as exposed by many issues lately: - https://github.com/uBlockOrigin/uBlock-issues/issues/2262 - https://github.com/uBlockOrigin/uBlock-issues/issues/2228 The new parser introduces breaking changes, there was no way to do otherwise. Some current procedural cosmetic filters will be shown as invalid with this change. This occurs because the CSSTree library gets confused with some syntax which was previously allowed by the previous parser because it was more permissive. Mainly the issue is with the arguments passed to some procedural cosmetic filters, and these issues can be solved as follow: Use quotes around the argument. You can use either single or double-quotes, whichever is most convenient. If your argument contains a single quote, use double-quotes, and vice versa. Additionally, try to escape a quote inside an argument using backslash. THis may work, but if not, use quotes around the argument. When the parser encounter quotes around an argument, it will discard them before trying to process the argument, same with escaped quotes inside the argument. Examples: Breakage: ...##^script:has-text(toscr') Fix: ...##^script:has-text(toscr\') Breakage: ...##:xpath(//*[contains(text(),"VPN")]):upward(2) Fix: ...##:xpath('//*[contains(text(),"VPN")]'):upward(2) There are not many filters which break in the default set of filter lists, so this should be workable for default lists. Unfortunately those fixes will break the filter for previous versions of uBO since these to not deal with quoted argument. In such case, it may be necessary to keep the previous filter, which will be discarded as broken on newer version of uBO. THis was a necessary change as the old parser was becoming more and more flaky after being constantly patched for new cases arising, The new parser should be far more robust and stay robist through expanding procedural cosmetic filter syntax. Additionally, in the MV3 version, filters are pre-compiled using a Nodejs script, i.e. outside the browser, so validating cosmetic filters using a live DOM no longer made sense. This new parser will have to be tested throughly before stable release.
1558 lines
53 KiB
JavaScript
1558 lines
53 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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/* globals browser, WebAssembly */
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'use strict';
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/******************************************************************************/
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import publicSuffixList from '../lib/publicsuffixlist/publicsuffixlist.js';
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import punycode from '../lib/punycode.js';
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import cosmeticFilteringEngine from './cosmetic-filtering.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 { i18n, i18n$ } from './i18n.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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permanentFirewall,
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permanentSwitches,
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permanentURLFiltering,
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} from './filtering-engines.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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import {
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LineIterator,
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orphanizeString,
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} from './text-utils.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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// `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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//
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// https://github.com/uBlockOrigin/uBlock-issues/issues/1803
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// Do this before computing modified settings.
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this.userSettings.externalLists =
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this.userSettings.importedLists.join('\n');
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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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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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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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|
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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 => {
|
|
const needle = url.replace(/^https?:/, '');
|
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const assets = this.availableFilterLists;
|
|
for ( const assetKey in assets ) {
|
|
const asset = assets[assetKey];
|
|
if ( asset.content !== 'filters' ) { continue; }
|
|
if ( typeof asset.contentURL === 'string' ) {
|
|
if ( asset.contentURL.endsWith(needle) ) { return assetKey; }
|
|
continue;
|
|
}
|
|
if ( Array.isArray(asset.contentURL) === false ) { continue; }
|
|
for ( let i = 0, n = asset.contentURL.length; i < n; i++ ) {
|
|
if ( asset.contentURL[i].endsWith(needle) ) {
|
|
return assetKey;
|
|
}
|
|
}
|
|
}
|
|
return url;
|
|
};
|
|
const importedSet = new Set(this.listKeysFromCustomFilterLists(importedLists));
|
|
const toImportSet = new Set(this.listKeysFromCustomFilterLists(details.toImport));
|
|
for ( const urlKey of toImportSet ) {
|
|
if ( importedSet.has(urlKey) ) {
|
|
selectedListKeySet.add(urlKey);
|
|
continue;
|
|
}
|
|
const assetKey = assetKeyFromURL(urlKey);
|
|
if ( assetKey === urlKey ) {
|
|
importedSet.add(urlKey);
|
|
}
|
|
selectedListKeySet.add(assetKey);
|
|
}
|
|
importedLists = Array.from(importedSet).sort();
|
|
}
|
|
|
|
const result = Array.from(selectedListKeySet);
|
|
if ( importedLists.join() !== this.userSettings.importedLists.join() ) {
|
|
this.userSettings.importedLists = importedLists;
|
|
this.saveUserSettings();
|
|
}
|
|
this.saveSelectedFilterLists(result);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.listKeysFromCustomFilterLists = function(raw) {
|
|
const urls = typeof raw === 'string'
|
|
? raw.trim().split(/[\n\r]+/)
|
|
: raw;
|
|
const out = new Set();
|
|
const reIgnore = /^[!#]/;
|
|
const reValid = /^[a-z-]+:\/\/\S+/;
|
|
for ( const url of urls ) {
|
|
if ( reIgnore.test(url) || !reValid.test(url) ) { continue; }
|
|
// Ignore really bad lists.
|
|
if ( this.badLists.get(url) === true ) { continue; }
|
|
out.add(url);
|
|
}
|
|
return Array.from(out);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.saveUserFilters = function(content) {
|
|
// https://github.com/gorhill/uBlock/issues/1022
|
|
// Be sure to end with an empty line.
|
|
content = content.trim();
|
|
if ( content !== '' ) { content += '\n'; }
|
|
this.removeCompiledFilterList(this.userFiltersPath);
|
|
return io.put(this.userFiltersPath, content);
|
|
};
|
|
|
|
µb.loadUserFilters = function() {
|
|
return io.get(this.userFiltersPath);
|
|
};
|
|
|
|
µb.appendUserFilters = async function(filters, options) {
|
|
filters = filters.trim();
|
|
if ( filters.length === 0 ) { return; }
|
|
|
|
// https://github.com/uBlockOrigin/uBlock-issues/issues/372
|
|
// Auto comment using user-defined template.
|
|
let comment = '';
|
|
if (
|
|
options instanceof Object &&
|
|
options.autoComment === true &&
|
|
this.hiddenSettings.autoCommentFilterTemplate.indexOf('{{') !== -1
|
|
) {
|
|
const d = new Date();
|
|
// Date in YYYY-MM-DD format - https://stackoverflow.com/a/50130338
|
|
const ISO8061Date = new Date(d.getTime() +
|
|
(d.getTimezoneOffset()*60000)).toISOString().split('T')[0];
|
|
const url = new URL(options.docURL);
|
|
comment =
|
|
'! ' +
|
|
this.hiddenSettings.autoCommentFilterTemplate
|
|
.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] = {
|
|
content: 'filters',
|
|
group: 'user',
|
|
title: 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, except
|
|
// when the removed stock list is deemed a "bad 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];
|
|
}
|
|
if ( this.badLists.has(listURL) ) { return; }
|
|
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;
|
|
|
|
if ( vAPI.Net.canSuspend() ) {
|
|
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);
|
|
const compilerVersion = `${this.systemSettings.compiledMagic}\n`;
|
|
if ( compiledDetails.content.startsWith(compilerVersion) ) {
|
|
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.
|
|
|
|
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 = 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 = 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, 0.5);
|
|
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 parser = new StaticFilteringParser({
|
|
expertMode,
|
|
nativeCssHas: vAPI.webextFlavor.env.includes('native_css_has'),
|
|
});
|
|
const compiler = staticNetFilteringEngine.createCompiler(parser);
|
|
const lineIter = new LineIterator(
|
|
parser.utils.preparser.prune(rawText, vAPI.webextFlavor.env)
|
|
);
|
|
|
|
parser.setMaxTokenLength(staticNetFilteringEngine.MAX_TOKEN_LENGTH);
|
|
|
|
compiler.start(writer);
|
|
|
|
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 ( compiler.compile(writer) ) { continue; }
|
|
if ( compiler.error !== undefined ) {
|
|
logger.writeOne({
|
|
realm: 'message',
|
|
type: 'error',
|
|
text: compiler.error
|
|
});
|
|
}
|
|
}
|
|
|
|
compiler.finish(writer);
|
|
|
|
// 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
|
|
= `${this.systemSettings.compiledMagic}\n` + writer.toString();
|
|
|
|
return compiledContent;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// https://github.com/gorhill/uBlock/issues/1395
|
|
// Added `firstparty` argument: to avoid discarding cosmetic filters when
|
|
// applying 1st-party filters.
|
|
|
|
µb.applyCompiledFilters = function(rawText, firstparty) {
|
|
if ( rawText === '' ) { return; }
|
|
const reader = new CompiledListReader(rawText);
|
|
staticNetFilteringEngine.fromCompiled(reader);
|
|
staticExtFilteringEngine.fromCompiledContent(reader, {
|
|
skipGenericCosmetic: this.userSettings.ignoreGenericCosmeticFilters,
|
|
skipCosmetic: !firstparty && !this.userSettings.parseAllABPHideFilters
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.loadRedirectResources = async function() {
|
|
try {
|
|
const success = await redirectEngine.resourcesFromSelfie(io);
|
|
if ( success === true ) { return true; }
|
|
|
|
const fetcher = (path, options = undefined) => {
|
|
if ( path.startsWith('/web_accessible_resources/') ) {
|
|
path += `?secret=${vAPI.warSecret()}`;
|
|
return io.fetch(path, options);
|
|
}
|
|
return io.fetchText(path);
|
|
};
|
|
|
|
const fetchPromises = [
|
|
redirectEngine.loadBuiltinResources(fetcher)
|
|
];
|
|
|
|
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(io);
|
|
} catch(ex) {
|
|
ubolog(ex);
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
µb.loadPublicSuffixList = async function() {
|
|
const psl = publicSuffixList;
|
|
|
|
// WASM is nice but not critical
|
|
if ( vAPI.canWASM && this.hiddenSettings.disableWebAssembly !== true ) {
|
|
const wasmModuleFetcher = function(path) {
|
|
return fetch( `${path}.wasm`, {
|
|
mode: 'same-origin'
|
|
}).then(
|
|
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 = publicSuffixList;
|
|
psl.parse(content, 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 multiple locales per filter list.
|
|
// https://github.com/gorhill/uBlock/issues/3210
|
|
// Support ability to auto-enable a filter list based on user agent.
|
|
// https://github.com/gorhill/uBlock/pull/3860
|
|
// Get current language using extensions API (instead of `navigator.language`)
|
|
|
|
µb.listMatchesEnvironment = function(details) {
|
|
// Matches language?
|
|
if ( typeof details.lang === 'string' ) {
|
|
let re = this.listMatchesEnvironment.reLang;
|
|
if ( re === undefined ) {
|
|
const match = /^[a-z]+/.exec(i18n.getUILanguage());
|
|
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(io);
|
|
}
|
|
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;
|
|
}
|
|
};
|