mirror of
https://github.com/gorhill/uBlock.git
synced 2024-09-03 01:29:39 +02:00
176 lines
5.1 KiB
JavaScript
176 lines
5.1 KiB
JavaScript
/*******************************************************************************
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uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
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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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/* jshint esversion:11 */
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/* global cloneInto */
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'use strict';
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// ruleset: $rulesetId$
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/******************************************************************************/
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// Important!
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// Isolate from global scope
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// Start of local scope
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(( ) => {
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/******************************************************************************/
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// Start of code to inject
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const uBOL_$scriptletName$ = function() {
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const scriptletGlobals = new Map(); // jshint ignore: line
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const argsList = self.$argsList$;
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const hostnamesMap = new Map(self.$hostnamesMap$);
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const entitiesMap = new Map(self.$entitiesMap$);
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const exceptionsMap = new Map(self.$exceptionsMap$);
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/******************************************************************************/
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function $scriptletName$(){}
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/******************************************************************************/
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const hnParts = [];
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try { hnParts.push(...document.location.hostname.split('.')); }
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catch(ex) { }
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const hnpartslen = hnParts.length;
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if ( hnpartslen === 0 ) { return; }
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const todoIndices = new Set();
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const tonotdoIndices = [];
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// Exceptions
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if ( exceptionsMap.size !== 0 ) {
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for ( let i = 0; i < hnpartslen; i++ ) {
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const hn = hnParts.slice(i).join('.');
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const excepted = exceptionsMap.get(hn);
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if ( excepted ) { tonotdoIndices.push(...excepted); }
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}
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exceptionsMap.clear();
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}
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// Hostname-based
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if ( hostnamesMap.size !== 0 ) {
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const collectArgIndices = hn => {
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let argsIndices = hostnamesMap.get(hn);
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if ( argsIndices === undefined ) { return; }
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if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
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for ( const argsIndex of argsIndices ) {
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if ( tonotdoIndices.includes(argsIndex) ) { continue; }
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todoIndices.add(argsIndex);
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}
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};
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for ( let i = 0; i < hnpartslen; i++ ) {
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const hn = hnParts.slice(i).join('.');
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collectArgIndices(hn);
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}
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collectArgIndices('*');
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hostnamesMap.clear();
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}
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// Entity-based
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if ( entitiesMap.size !== 0 ) {
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const n = hnpartslen - 1;
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for ( let i = 0; i < n; i++ ) {
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for ( let j = n; j > i; j-- ) {
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const en = hnParts.slice(i,j).join('.');
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let argsIndices = entitiesMap.get(en);
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if ( argsIndices === undefined ) { continue; }
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if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
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for ( const argsIndex of argsIndices ) {
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if ( tonotdoIndices.includes(argsIndex) ) { continue; }
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todoIndices.add(argsIndex);
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}
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}
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}
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entitiesMap.clear();
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}
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// Apply scriplets
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for ( const i of todoIndices ) {
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try { $scriptletName$(...argsList[i]); }
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catch(ex) {}
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}
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argsList.length = 0;
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/******************************************************************************/
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};
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// End of code to inject
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/******************************************************************************/
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// Inject code
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// https://bugzilla.mozilla.org/show_bug.cgi?id=1736575
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// 'MAIN' world not yet supported in Firefox, so we inject the code into
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// 'MAIN' ourself when environment in Firefox.
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const targetWorld = '$world$';
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// Not Firefox
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if ( typeof wrappedJSObject !== 'object' || targetWorld === 'ISOLATED' ) {
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return uBOL_$scriptletName$();
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}
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// Firefox
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{
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const page = self.wrappedJSObject;
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let script, url;
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try {
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page.uBOL_$scriptletName$ = cloneInto([
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[ '(', uBOL_$scriptletName$.toString(), ')();' ],
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{ type: 'text/javascript; charset=utf-8' },
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], self);
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const blob = new page.Blob(...page.uBOL_$scriptletName$);
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url = page.URL.createObjectURL(blob);
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const doc = page.document;
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script = doc.createElement('script');
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script.async = false;
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script.src = url;
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(doc.head || doc.documentElement || doc).append(script);
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} catch (ex) {
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console.error(ex);
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}
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if ( url ) {
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if ( script ) { script.remove(); }
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page.URL.revokeObjectURL(url);
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}
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delete page.uBOL_$scriptletName$;
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}
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/******************************************************************************/
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// End of local scope
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})();
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/******************************************************************************/
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void 0;
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