mirror of
https://github.com/gorhill/uBlock.git
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123 lines
4.1 KiB
JavaScript
123 lines
4.1 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2019-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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The scriptlets below are meant to be injected only into a
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web page context.
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*/
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/* jshint esversion:11 */
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'use strict';
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/******************************************************************************/
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/// name no-settimeout-if.entity
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/// alias no-setTimeout-if.entity
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/// alias nostif.entity
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/******************************************************************************/
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// Important!
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// Isolate from global scope
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(function uBOL_noSetTimeoutIfEntity() {
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/******************************************************************************/
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// $rulesetId$
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const argsList = self.$argsList$;
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const entitiesMap = new Map(self.$entitiesMap$);
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/******************************************************************************/
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const scriptlet = (
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needle = '',
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delay = ''
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) => {
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const needleNot = needle.charAt(0) === '!';
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if ( needleNot ) { needle = needle.slice(1); }
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if ( delay === '' ) { delay = undefined; }
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let delayNot = false;
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if ( delay !== undefined ) {
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delayNot = delay.charAt(0) === '!';
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if ( delayNot ) { delay = delay.slice(1); }
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delay = parseInt(delay, 10);
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}
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if ( needle.startsWith('/') && needle.endsWith('/') ) {
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needle = needle.slice(1,-1);
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} else if ( needle !== '' ) {
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needle = needle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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}
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const reNeedle = new RegExp(needle);
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const regexpTest = RegExp.prototype.test;
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self.setTimeout = new Proxy(self.setTimeout, {
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apply: function(target, thisArg, args) {
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const a = String(args[0]);
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const b = args[1];
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let defuse;
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if ( needle !== '' ) {
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defuse = regexpTest.call(reNeedle, a) !== needleNot;
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}
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if ( defuse !== false && delay !== undefined ) {
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defuse = (b === delay || isNaN(b) && isNaN(delay) ) !== delayNot;
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}
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if ( defuse ) {
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args[0] = function(){};
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}
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return target.apply(thisArg, args);
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},
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get(target, prop, receiver) {
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if ( prop === 'toString' ) {
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return target.toString.bind(target);
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}
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return Reflect.get(target, prop, receiver);
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},
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});
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};
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/******************************************************************************/
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const hnparts = [];
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try { hnparts.push(...document.location.hostname.split('.')); } catch(ex) { }
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const hnpartslen = hnparts.length - 1;
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for ( let i = 0; i < hnpartslen; i++ ) {
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for ( let j = hnpartslen; j > i; j-- ) {
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const hn = hnparts.slice(i).join('.');
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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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const details = argsList[argsIndex];
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if ( details.n && details.n.includes(hn) ) { continue; }
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try { scriptlet(...details.a); } catch(ex) {}
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}
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}
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}
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argsList.length = 0;
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entitiesMap.clear();
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/******************************************************************************/
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})();
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/******************************************************************************/
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