/******************************************************************************* uBlock Origin Lite - a comprehensive, MV3-compliant content blocker Copyright (C) 2014-present Raymond Hill This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see {http://www.gnu.org/licenses/}. Home: https://github.com/gorhill/uBlock */ /* jshint esversion:11 */ /* global cloneInto */ 'use strict'; // ruleset: cze-0 /******************************************************************************/ // Important! // Isolate from global scope // Start of local scope (( ) => { /******************************************************************************/ // Start of code to inject const uBOL_abortCurrentScript = function() { const scriptletGlobals = {}; // jshint ignore: line const argsList = [["$","Ads"],["$","fancyBanner"],["$","PartnerRedirectAction"],["window.addEventListener",":visible"],["document.createElement","adbDetect"],["HTMLIFrameElement.prototype.contentWindow"]]; const hostnamesMap = new Map([["csfd.cz",0],["csfd.sk",0],["drbna.cz",1],["onlajny.com",2],["zive.cz",[3,4]],["idnes.cz",[4,5]],["novinky.cz",4],["aktualne.cz",4],["reflex.cz",4],["e15.cz",4],["blesk.cz",4],["ahaonline.cz",4],["super.cz",4],["auto.cz",4],["maminka.cz",4],["autorevue.cz",4],["osobnosti.cz",4],["lidovky.cz",4],["iprima.cz",4],["kupi.cz",4],["kinobox.cz",4],["cnews.cz",4],["zeny.cz",4],["expres.cz",4],["tiscali.cz",4],["extra.cz",4],["onetv.cz",4],["dama.cz",4],["g.cz",4],["mojecelebrity.cz",4],["spisovatele.cz",4],["modnipeklo.cz",4],["karaoketexty.cz",4],["hnonline.sk",4],["emimino.cz",4],["vitalion.cz",4],["mojezdravi.cz",4],["abicko.cz",4],["arome.cz",4],["labuznik.cz",4],["fights.cz",4],["nasepenize.cz",4]]); const entitiesMap = new Map([]); const exceptionsMap = new Map([]); /******************************************************************************/ function abortCurrentScript(...args) { runAtHtmlElementFn(( ) => { abortCurrentScriptCore(...args); }); } function abortCurrentScriptCore( target = '', needle = '', context = '' ) { if ( typeof target !== 'string' ) { return; } if ( target === '' ) { return; } const safe = safeSelf(); const logPrefix = safe.makeLogPrefix('abort-current-script', target, needle, context); const reNeedle = safe.patternToRegex(needle); const reContext = safe.patternToRegex(context); const extraArgs = safe.getExtraArgs(Array.from(arguments), 3); const thisScript = document.currentScript; const chain = target.split('.'); let owner = window; let prop; for (;;) { prop = chain.shift(); if ( chain.length === 0 ) { break; } if ( prop in owner === false ) { break; } owner = owner[prop]; if ( owner instanceof Object === false ) { return; } } let value; let desc = Object.getOwnPropertyDescriptor(owner, prop); if ( desc instanceof Object === false || desc.get instanceof Function === false ) { value = owner[prop]; desc = undefined; } const debug = shouldDebug(extraArgs); const exceptionToken = getExceptionToken(); const scriptTexts = new WeakMap(); const getScriptText = elem => { let text = elem.textContent; if ( text.trim() !== '' ) { return text; } if ( scriptTexts.has(elem) ) { return scriptTexts.get(elem); } const [ , mime, content ] = /^data:([^,]*),(.+)$/.exec(elem.src.trim()) || [ '', '', '' ]; try { switch ( true ) { case mime.endsWith(';base64'): text = self.atob(content); break; default: text = self.decodeURIComponent(content); break; } } catch(ex) { } scriptTexts.set(elem, text); return text; }; const validate = ( ) => { const e = document.currentScript; if ( e instanceof HTMLScriptElement === false ) { return; } if ( e === thisScript ) { return; } if ( context !== '' && reContext.test(e.src) === false ) { // eslint-disable-next-line no-debugger if ( debug === 'nomatch' || debug === 'all' ) { debugger; } return; } if ( safe.logLevel > 1 && context !== '' ) { safe.uboLog(logPrefix, `Matched src\n${e.src}`); } const scriptText = getScriptText(e); if ( reNeedle.test(scriptText) === false ) { // eslint-disable-next-line no-debugger if ( debug === 'nomatch' || debug === 'all' ) { debugger; } return; } if ( safe.logLevel > 1 ) { safe.uboLog(logPrefix, `Matched text\n${scriptText}`); } // eslint-disable-next-line no-debugger if ( debug === 'match' || debug === 'all' ) { debugger; } safe.uboLog(logPrefix, 'Aborted'); throw new ReferenceError(exceptionToken); }; // eslint-disable-next-line no-debugger if ( debug === 'install' ) { debugger; } try { Object.defineProperty(owner, prop, { get: function() { validate(); return desc instanceof Object ? desc.get.call(owner) : value; }, set: function(a) { validate(); if ( desc instanceof Object ) { desc.set.call(owner, a); } else { value = a; } } }); } catch(ex) { safe.uboErr(logPrefix, `Error: ${ex}`); } } function runAtHtmlElementFn(fn) { if ( document.documentElement ) { fn(); return; } const observer = new MutationObserver(( ) => { observer.disconnect(); fn(); }); observer.observe(document, { childList: true }); } function getExceptionToken() { const safe = safeSelf(); const token = String.fromCharCode(Date.now() % 26 + 97) + safe.Math_floor(safe.Math_random() * 982451653 + 982451653).toString(36); const oe = self.onerror; self.onerror = function(msg, ...args) { if ( typeof msg === 'string' && msg.includes(token) ) { return true; } if ( oe instanceof Function ) { return oe.call(this, msg, ...args); } }.bind(); return token; } function safeSelf() { if ( scriptletGlobals.safeSelf ) { return scriptletGlobals.safeSelf; } const self = globalThis; const safe = { 'Array_from': Array.from, 'Error': self.Error, 'Function_toStringFn': self.Function.prototype.toString, 'Function_toString': thisArg => safe.Function_toStringFn.call(thisArg), 'Math_floor': Math.floor, 'Math_max': Math.max, 'Math_min': Math.min, 'Math_random': Math.random, 'Object': Object, 'Object_defineProperty': Object.defineProperty.bind(Object), 'Object_defineProperties': Object.defineProperties.bind(Object), 'Object_fromEntries': Object.fromEntries.bind(Object), 'Object_getOwnPropertyDescriptor': Object.getOwnPropertyDescriptor.bind(Object), 'RegExp': self.RegExp, 'RegExp_test': self.RegExp.prototype.test, 'RegExp_exec': self.RegExp.prototype.exec, 'Request_clone': self.Request.prototype.clone, 'XMLHttpRequest': self.XMLHttpRequest, 'addEventListener': self.EventTarget.prototype.addEventListener, 'removeEventListener': self.EventTarget.prototype.removeEventListener, 'fetch': self.fetch, 'JSON': self.JSON, 'JSON_parseFn': self.JSON.parse, 'JSON_stringifyFn': self.JSON.stringify, 'JSON_parse': (...args) => safe.JSON_parseFn.call(safe.JSON, ...args), 'JSON_stringify': (...args) => safe.JSON_stringifyFn.call(safe.JSON, ...args), 'log': console.log.bind(console), // Properties logLevel: 0, // Methods makeLogPrefix(...args) { return this.sendToLogger && `[${args.join(' \u205D ')}]` || ''; }, uboLog(...args) { if ( this.sendToLogger === undefined ) { return; } if ( args === undefined || args[0] === '' ) { return; } return this.sendToLogger('info', ...args); }, uboErr(...args) { if ( this.sendToLogger === undefined ) { return; } if ( args === undefined || args[0] === '' ) { return; } return this.sendToLogger('error', ...args); }, escapeRegexChars(s) { return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); }, initPattern(pattern, options = {}) { if ( pattern === '' ) { return { matchAll: true }; } const expect = (options.canNegate !== true || pattern.startsWith('!') === false); if ( expect === false ) { pattern = pattern.slice(1); } const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern); if ( match !== null ) { return { re: new this.RegExp( match[1], match[2] || options.flags ), expect, }; } if ( options.flags !== undefined ) { return { re: new this.RegExp(this.escapeRegexChars(pattern), options.flags ), expect, }; } return { pattern, expect }; }, testPattern(details, haystack) { if ( details.matchAll ) { return true; } if ( details.re ) { return this.RegExp_test.call(details.re, haystack) === details.expect; } return haystack.includes(details.pattern) === details.expect; }, patternToRegex(pattern, flags = undefined, verbatim = false) { if ( pattern === '' ) { return /^/; } const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern); if ( match === null ) { const reStr = this.escapeRegexChars(pattern); return new RegExp(verbatim ? `^${reStr}$` : reStr, flags); } try { return new RegExp(match[1], match[2] || undefined); } catch(ex) { } return /^/; }, getExtraArgs(args, offset = 0) { const entries = args.slice(offset).reduce((out, v, i, a) => { if ( (i & 1) === 0 ) { const rawValue = a[i+1]; const value = /^\d+$/.test(rawValue) ? parseInt(rawValue, 10) : rawValue; out.push([ a[i], value ]); } return out; }, []); return this.Object_fromEntries(entries); }, onIdle(fn, options) { if ( self.requestIdleCallback ) { return self.requestIdleCallback(fn, options); } return self.requestAnimationFrame(fn); }, }; scriptletGlobals.safeSelf = safe; if ( scriptletGlobals.bcSecret === undefined ) { return safe; } // This is executed only when the logger is opened const bc = new self.BroadcastChannel(scriptletGlobals.bcSecret); let bcBuffer = []; safe.logLevel = scriptletGlobals.logLevel || 1; safe.sendToLogger = (type, ...args) => { if ( args.length === 0 ) { return; } const text = `[${document.location.hostname || document.location.href}]${args.join(' ')}`; if ( bcBuffer === undefined ) { return bc.postMessage({ what: 'messageToLogger', type, text }); } bcBuffer.push({ type, text }); }; bc.onmessage = ev => { const msg = ev.data; switch ( msg ) { case 'iamready!': if ( bcBuffer === undefined ) { break; } bcBuffer.forEach(({ type, text }) => bc.postMessage({ what: 'messageToLogger', type, text }) ); bcBuffer = undefined; break; case 'setScriptletLogLevelToOne': safe.logLevel = 1; break; case 'setScriptletLogLevelToTwo': safe.logLevel = 2; break; } }; bc.postMessage('areyouready?'); return safe; } function shouldDebug(details) { if ( details instanceof Object === false ) { return false; } return scriptletGlobals.canDebug && details.debug; } /******************************************************************************/ const hnParts = []; try { hnParts.push(...document.location.hostname.split('.')); } catch(ex) { } const hnpartslen = hnParts.length; if ( hnpartslen === 0 ) { return; } const todoIndices = new Set(); const tonotdoIndices = []; // Exceptions if ( exceptionsMap.size !== 0 ) { for ( let i = 0; i < hnpartslen; i++ ) { const hn = hnParts.slice(i).join('.'); const excepted = exceptionsMap.get(hn); if ( excepted ) { tonotdoIndices.push(...excepted); } } exceptionsMap.clear(); } // Hostname-based if ( hostnamesMap.size !== 0 ) { const collectArgIndices = hn => { let argsIndices = hostnamesMap.get(hn); if ( argsIndices === undefined ) { return; } if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; } for ( const argsIndex of argsIndices ) { if ( tonotdoIndices.includes(argsIndex) ) { continue; } todoIndices.add(argsIndex); } }; for ( let i = 0; i < hnpartslen; i++ ) { const hn = hnParts.slice(i).join('.'); collectArgIndices(hn); } collectArgIndices('*'); hostnamesMap.clear(); } // Entity-based if ( entitiesMap.size !== 0 ) { const n = hnpartslen - 1; for ( let i = 0; i < n; i++ ) { for ( let j = n; j > i; j-- ) { const en = hnParts.slice(i,j).join('.'); let argsIndices = entitiesMap.get(en); if ( argsIndices === undefined ) { continue; } if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; } for ( const argsIndex of argsIndices ) { if ( tonotdoIndices.includes(argsIndex) ) { continue; } todoIndices.add(argsIndex); } } } entitiesMap.clear(); } // Apply scriplets for ( const i of todoIndices ) { try { abortCurrentScript(...argsList[i]); } catch(ex) {} } argsList.length = 0; /******************************************************************************/ }; // End of code to inject /******************************************************************************/ // Inject code // https://bugzilla.mozilla.org/show_bug.cgi?id=1736575 // 'MAIN' world not yet supported in Firefox, so we inject the code into // 'MAIN' ourself when environment in Firefox. const targetWorld = 'MAIN'; // Not Firefox if ( typeof wrappedJSObject !== 'object' || targetWorld === 'ISOLATED' ) { return uBOL_abortCurrentScript(); } // Firefox { const page = self.wrappedJSObject; let script, url; try { page.uBOL_abortCurrentScript = cloneInto([ [ '(', uBOL_abortCurrentScript.toString(), ')();' ], { type: 'text/javascript; charset=utf-8' }, ], self); const blob = new page.Blob(...page.uBOL_abortCurrentScript); url = page.URL.createObjectURL(blob); const doc = page.document; script = doc.createElement('script'); script.async = false; script.src = url; (doc.head || doc.documentElement || doc).append(script); } catch (ex) { console.error(ex); } if ( url ) { if ( script ) { script.remove(); } page.URL.revokeObjectURL(url); } delete page.uBOL_abortCurrentScript; } /******************************************************************************/ // End of local scope })(); /******************************************************************************/ void 0;