mirror of https://github.com/gorhill/uBlock.git
4994 lines
166 KiB
JavaScript
4994 lines
166 KiB
JavaScript
/*******************************************************************************
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||
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||
uBlock Origin - a comprehensive, efficient content blocker
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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
|
||
the Free Software Foundation, either version 3 of the License, or
|
||
(at your option) any later version.
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||
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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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/* eslint no-prototype-builtins: 0 */
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// Externally added to the private namespace in which scriptlets execute.
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/* global scriptletGlobals */
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export const builtinScriptlets = [];
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/*******************************************************************************
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||
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Helper functions
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These are meant to be used as dependencies to injectable scriptlets.
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||
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*******************************************************************************/
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||
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||
builtinScriptlets.push({
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||
name: 'safe-self.fn',
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fn: safeSelf,
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});
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function safeSelf() {
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||
if ( scriptletGlobals.safeSelf ) {
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||
return scriptletGlobals.safeSelf;
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||
}
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||
const self = globalThis;
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||
const safe = {
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||
'Array_from': Array.from,
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||
'Error': self.Error,
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'Function_toStringFn': self.Function.prototype.toString,
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||
'Function_toString': thisArg => safe.Function_toStringFn.call(thisArg),
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||
'Math_floor': Math.floor,
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||
'Math_max': Math.max,
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||
'Math_min': Math.min,
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||
'Math_random': Math.random,
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||
'Object': Object,
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||
'Object_defineProperty': Object.defineProperty.bind(Object),
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||
'Object_defineProperties': Object.defineProperties.bind(Object),
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||
'Object_fromEntries': Object.fromEntries.bind(Object),
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||
'Object_getOwnPropertyDescriptor': Object.getOwnPropertyDescriptor.bind(Object),
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'RegExp': self.RegExp,
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||
'RegExp_test': self.RegExp.prototype.test,
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||
'RegExp_exec': self.RegExp.prototype.exec,
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'Request_clone': self.Request.prototype.clone,
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||
'String_fromCharCode': String.fromCharCode,
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||
'XMLHttpRequest': self.XMLHttpRequest,
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||
'addEventListener': self.EventTarget.prototype.addEventListener,
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'removeEventListener': self.EventTarget.prototype.removeEventListener,
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'fetch': self.fetch,
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'JSON': self.JSON,
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'JSON_parseFn': self.JSON.parse,
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'JSON_stringifyFn': self.JSON.stringify,
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'JSON_parse': (...args) => safe.JSON_parseFn.call(safe.JSON, ...args),
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'JSON_stringify': (...args) => safe.JSON_stringifyFn.call(safe.JSON, ...args),
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'log': console.log.bind(console),
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// Properties
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logLevel: 0,
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// Methods
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makeLogPrefix(...args) {
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return this.sendToLogger && `[${args.join(' \u205D ')}]` || '';
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},
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uboLog(...args) {
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if ( this.sendToLogger === undefined ) { return; }
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if ( args === undefined || args[0] === '' ) { return; }
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return this.sendToLogger('info', ...args);
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},
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uboErr(...args) {
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if ( this.sendToLogger === undefined ) { return; }
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if ( args === undefined || args[0] === '' ) { return; }
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return this.sendToLogger('error', ...args);
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},
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escapeRegexChars(s) {
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return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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},
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initPattern(pattern, options = {}) {
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if ( pattern === '' ) {
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return { matchAll: true };
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}
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const expect = (options.canNegate !== true || pattern.startsWith('!') === false);
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if ( expect === false ) {
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pattern = pattern.slice(1);
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}
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||
const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
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if ( match !== null ) {
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return {
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re: new this.RegExp(
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match[1],
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match[2] || options.flags
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),
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expect,
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};
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||
}
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if ( options.flags !== undefined ) {
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||
return {
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re: new this.RegExp(this.escapeRegexChars(pattern),
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options.flags
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),
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expect,
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};
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}
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return { pattern, expect };
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},
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testPattern(details, haystack) {
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if ( details.matchAll ) { return true; }
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if ( details.re ) {
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return this.RegExp_test.call(details.re, haystack) === details.expect;
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}
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return haystack.includes(details.pattern) === details.expect;
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},
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patternToRegex(pattern, flags = undefined, verbatim = false) {
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if ( pattern === '' ) { return /^/; }
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const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
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if ( match === null ) {
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const reStr = this.escapeRegexChars(pattern);
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return new RegExp(verbatim ? `^${reStr}$` : reStr, flags);
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}
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try {
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return new RegExp(match[1], match[2] || undefined);
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}
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catch(ex) {
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}
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return /^/;
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},
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getExtraArgs(args, offset = 0) {
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const entries = args.slice(offset).reduce((out, v, i, a) => {
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if ( (i & 1) === 0 ) {
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const rawValue = a[i+1];
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const value = /^\d+$/.test(rawValue)
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? parseInt(rawValue, 10)
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: rawValue;
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out.push([ a[i], value ]);
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}
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return out;
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}, []);
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return this.Object_fromEntries(entries);
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},
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onIdle(fn, options) {
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if ( self.requestIdleCallback ) {
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return self.requestIdleCallback(fn, options);
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}
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return self.requestAnimationFrame(fn);
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},
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offIdle(id) {
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if ( self.requestIdleCallback ) {
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return self.cancelIdleCallback(id);
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}
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return self.cancelAnimationFrame(id);
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}
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};
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scriptletGlobals.safeSelf = safe;
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if ( scriptletGlobals.bcSecret === undefined ) { return safe; }
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// This is executed only when the logger is opened
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const bc = new self.BroadcastChannel(scriptletGlobals.bcSecret);
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let bcBuffer = [];
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safe.logLevel = scriptletGlobals.logLevel || 1;
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safe.sendToLogger = (type, ...args) => {
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if ( args.length === 0 ) { return; }
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const text = `[${document.location.hostname || document.location.href}]${args.join(' ')}`;
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if ( bcBuffer === undefined ) {
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return bc.postMessage({ what: 'messageToLogger', type, text });
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}
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bcBuffer.push({ type, text });
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};
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bc.onmessage = ev => {
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const msg = ev.data;
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switch ( msg ) {
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case 'iamready!':
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if ( bcBuffer === undefined ) { break; }
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bcBuffer.forEach(({ type, text }) =>
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bc.postMessage({ what: 'messageToLogger', type, text })
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);
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bcBuffer = undefined;
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break;
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case 'setScriptletLogLevelToOne':
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safe.logLevel = 1;
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break;
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case 'setScriptletLogLevelToTwo':
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safe.logLevel = 2;
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break;
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}
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};
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bc.postMessage('areyouready?');
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return safe;
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'get-random-token.fn',
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fn: getRandomToken,
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dependencies: [
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'safe-self.fn',
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],
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});
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function getRandomToken() {
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const safe = safeSelf();
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return safe.String_fromCharCode(Date.now() % 26 + 97) +
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safe.Math_floor(safe.Math_random() * 982451653 + 982451653).toString(36);
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'get-exception-token.fn',
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fn: getExceptionToken,
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dependencies: [
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'get-random-token.fn',
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],
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});
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function getExceptionToken() {
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const token = getRandomToken();
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const oe = self.onerror;
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self.onerror = function(msg, ...args) {
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if ( typeof msg === 'string' && msg.includes(token) ) { return true; }
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if ( oe instanceof Function ) {
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return oe.call(this, msg, ...args);
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}
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}.bind();
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return token;
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'should-debug.fn',
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fn: shouldDebug,
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});
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function shouldDebug(details) {
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if ( details instanceof Object === false ) { return false; }
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return scriptletGlobals.canDebug && details.debug;
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'run-at.fn',
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fn: runAt,
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dependencies: [
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'safe-self.fn',
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],
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});
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function runAt(fn, when) {
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const intFromReadyState = state => {
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const targets = {
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'loading': 1, 'asap': 1,
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'interactive': 2, 'end': 2, '2': 2,
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'complete': 3, 'idle': 3, '3': 3,
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};
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const tokens = Array.isArray(state) ? state : [ state ];
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for ( const token of tokens ) {
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const prop = `${token}`;
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if ( targets.hasOwnProperty(prop) === false ) { continue; }
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return targets[prop];
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}
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return 0;
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};
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const runAt = intFromReadyState(when);
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if ( intFromReadyState(document.readyState) >= runAt ) {
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fn(); return;
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}
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const onStateChange = ( ) => {
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if ( intFromReadyState(document.readyState) < runAt ) { return; }
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fn();
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safe.removeEventListener.apply(document, args);
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};
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const safe = safeSelf();
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const args = [ 'readystatechange', onStateChange, { capture: true } ];
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safe.addEventListener.apply(document, args);
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}
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/******************************************************************************/
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builtinScriptlets.push({
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name: 'run-at-html-element.fn',
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fn: runAtHtmlElementFn,
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});
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function runAtHtmlElementFn(fn) {
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if ( document.documentElement ) {
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fn();
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return;
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}
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const observer = new MutationObserver(( ) => {
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observer.disconnect();
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fn();
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});
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observer.observe(document, { childList: true });
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}
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||
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/******************************************************************************/
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// Reference:
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// https://github.com/AdguardTeam/Scriptlets/blob/master/wiki/about-scriptlets.md#prevent-xhr
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builtinScriptlets.push({
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name: 'generate-content.fn',
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fn: generateContentFn,
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dependencies: [
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'safe-self.fn',
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],
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});
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function generateContentFn(directive) {
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const safe = safeSelf();
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const randomize = len => {
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const chunks = [];
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let textSize = 0;
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do {
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const s = safe.Math_random().toString(36).slice(2);
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chunks.push(s);
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textSize += s.length;
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}
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while ( textSize < len );
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return chunks.join(' ').slice(0, len);
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||
};
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||
if ( directive === 'true' ) {
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||
return Promise.resolve(randomize(10));
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||
}
|
||
if ( directive === 'emptyObj' ) {
|
||
return Promise.resolve('{}');
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||
}
|
||
if ( directive === 'emptyArr' ) {
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return Promise.resolve('[]');
|
||
}
|
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if ( directive === 'emptyStr' ) {
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return Promise.resolve('');
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||
}
|
||
if ( directive.startsWith('length:') ) {
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const match = /^length:(\d+)(?:-(\d+))?$/.exec(directive);
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if ( match ) {
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const min = parseInt(match[1], 10);
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const extent = safe.Math_max(parseInt(match[2], 10) || 0, min) - min;
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const len = safe.Math_min(min + extent * safe.Math_random(), 500000);
|
||
return Promise.resolve(randomize(len | 0));
|
||
}
|
||
}
|
||
if ( directive.startsWith('war:') && scriptletGlobals.warOrigin ) {
|
||
return new Promise(resolve => {
|
||
const warOrigin = scriptletGlobals.warOrigin;
|
||
const warName = directive.slice(4);
|
||
const fullpath = [ warOrigin, '/', warName ];
|
||
const warSecret = scriptletGlobals.warSecret;
|
||
if ( warSecret !== undefined ) {
|
||
fullpath.push('?secret=', warSecret);
|
||
}
|
||
const warXHR = new safe.XMLHttpRequest();
|
||
warXHR.responseType = 'text';
|
||
warXHR.onloadend = ev => {
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||
resolve(ev.target.responseText || '');
|
||
};
|
||
warXHR.open('GET', fullpath.join(''));
|
||
warXHR.send();
|
||
});
|
||
}
|
||
return Promise.resolve('');
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'abort-current-script-core.fn',
|
||
fn: abortCurrentScriptCore,
|
||
dependencies: [
|
||
'get-exception-token.fn',
|
||
'safe-self.fn',
|
||
'should-debug.fn',
|
||
],
|
||
});
|
||
// Issues to mind before changing anything:
|
||
// https://github.com/uBlockOrigin/uBlock-issues/issues/2154
|
||
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: ${ex}`);
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'validate-constant.fn',
|
||
fn: validateConstantFn,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function validateConstantFn(trusted, raw, extraArgs = {}) {
|
||
const safe = safeSelf();
|
||
let value;
|
||
if ( raw === 'undefined' ) {
|
||
value = undefined;
|
||
} else if ( raw === 'false' ) {
|
||
value = false;
|
||
} else if ( raw === 'true' ) {
|
||
value = true;
|
||
} else if ( raw === 'null' ) {
|
||
value = null;
|
||
} else if ( raw === "''" || raw === '' ) {
|
||
value = '';
|
||
} else if ( raw === '[]' || raw === 'emptyArr' ) {
|
||
value = [];
|
||
} else if ( raw === '{}' || raw === 'emptyObj' ) {
|
||
value = {};
|
||
} else if ( raw === 'noopFunc' ) {
|
||
value = function(){};
|
||
} else if ( raw === 'trueFunc' ) {
|
||
value = function(){ return true; };
|
||
} else if ( raw === 'falseFunc' ) {
|
||
value = function(){ return false; };
|
||
} else if ( /^-?\d+$/.test(raw) ) {
|
||
value = parseInt(raw);
|
||
if ( isNaN(raw) ) { return; }
|
||
if ( Math.abs(raw) > 0x7FFF ) { return; }
|
||
} else if ( trusted ) {
|
||
if ( raw.startsWith('{') && raw.endsWith('}') ) {
|
||
try { value = safe.JSON_parse(raw).value; } catch(ex) { return; }
|
||
}
|
||
} else {
|
||
return;
|
||
}
|
||
if ( extraArgs.as !== undefined ) {
|
||
if ( extraArgs.as === 'function' ) {
|
||
return ( ) => value;
|
||
} else if ( extraArgs.as === 'callback' ) {
|
||
return ( ) => (( ) => value);
|
||
} else if ( extraArgs.as === 'resolved' ) {
|
||
return Promise.resolve(value);
|
||
} else if ( extraArgs.as === 'rejected' ) {
|
||
return Promise.reject(value);
|
||
}
|
||
}
|
||
return value;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-constant.fn',
|
||
fn: setConstantFn,
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
'validate-constant.fn',
|
||
],
|
||
});
|
||
function setConstantFn(
|
||
trusted = false,
|
||
chain = '',
|
||
rawValue = ''
|
||
) {
|
||
if ( chain === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('set-constant', chain, rawValue);
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
function setConstant(chain, rawValue) {
|
||
const trappedProp = (( ) => {
|
||
const pos = chain.lastIndexOf('.');
|
||
if ( pos === -1 ) { return chain; }
|
||
return chain.slice(pos+1);
|
||
})();
|
||
const cloakFunc = fn => {
|
||
safe.Object_defineProperty(fn, 'name', { value: trappedProp });
|
||
return new Proxy(fn, {
|
||
defineProperty(target, prop) {
|
||
if ( prop !== 'toString' ) {
|
||
return Reflect.defineProperty(...arguments);
|
||
}
|
||
return true;
|
||
},
|
||
deleteProperty(target, prop) {
|
||
if ( prop !== 'toString' ) {
|
||
return Reflect.deleteProperty(...arguments);
|
||
}
|
||
return true;
|
||
},
|
||
get(target, prop) {
|
||
if ( prop === 'toString' ) {
|
||
return function() {
|
||
return `function ${trappedProp}() { [native code] }`;
|
||
}.bind(null);
|
||
}
|
||
return Reflect.get(...arguments);
|
||
},
|
||
});
|
||
};
|
||
if ( trappedProp === '' ) { return; }
|
||
const thisScript = document.currentScript;
|
||
let normalValue = validateConstantFn(trusted, rawValue, extraArgs);
|
||
if ( rawValue === 'noopFunc' || rawValue === 'trueFunc' || rawValue === 'falseFunc' ) {
|
||
normalValue = cloakFunc(normalValue);
|
||
}
|
||
let aborted = false;
|
||
const mustAbort = function(v) {
|
||
if ( trusted ) { return false; }
|
||
if ( aborted ) { return true; }
|
||
aborted =
|
||
(v !== undefined && v !== null) &&
|
||
(normalValue !== undefined && normalValue !== null) &&
|
||
(typeof v !== typeof normalValue);
|
||
if ( aborted ) {
|
||
safe.uboLog(logPrefix, `Aborted because value set to ${v}`);
|
||
}
|
||
return aborted;
|
||
};
|
||
// https://github.com/uBlockOrigin/uBlock-issues/issues/156
|
||
// Support multiple trappers for the same property.
|
||
const trapProp = function(owner, prop, configurable, handler) {
|
||
if ( handler.init(configurable ? owner[prop] : normalValue) === false ) { return; }
|
||
const odesc = safe.Object_getOwnPropertyDescriptor(owner, prop);
|
||
let prevGetter, prevSetter;
|
||
if ( odesc instanceof safe.Object ) {
|
||
owner[prop] = normalValue;
|
||
if ( odesc.get instanceof Function ) {
|
||
prevGetter = odesc.get;
|
||
}
|
||
if ( odesc.set instanceof Function ) {
|
||
prevSetter = odesc.set;
|
||
}
|
||
}
|
||
try {
|
||
safe.Object_defineProperty(owner, prop, {
|
||
configurable,
|
||
get() {
|
||
if ( prevGetter !== undefined ) {
|
||
prevGetter();
|
||
}
|
||
return handler.getter();
|
||
},
|
||
set(a) {
|
||
if ( prevSetter !== undefined ) {
|
||
prevSetter(a);
|
||
}
|
||
handler.setter(a);
|
||
}
|
||
});
|
||
safe.uboLog(logPrefix, 'Trap installed');
|
||
} catch(ex) {
|
||
safe.uboErr(logPrefix, ex);
|
||
}
|
||
};
|
||
const trapChain = function(owner, chain) {
|
||
const pos = chain.indexOf('.');
|
||
if ( pos === -1 ) {
|
||
trapProp(owner, chain, false, {
|
||
v: undefined,
|
||
init: function(v) {
|
||
if ( mustAbort(v) ) { return false; }
|
||
this.v = v;
|
||
return true;
|
||
},
|
||
getter: function() {
|
||
if ( document.currentScript === thisScript ) {
|
||
return this.v;
|
||
}
|
||
safe.uboLog(logPrefix, 'Property read');
|
||
return normalValue;
|
||
},
|
||
setter: function(a) {
|
||
if ( mustAbort(a) === false ) { return; }
|
||
normalValue = a;
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
const prop = chain.slice(0, pos);
|
||
const v = owner[prop];
|
||
chain = chain.slice(pos + 1);
|
||
if ( v instanceof safe.Object || typeof v === 'object' && v !== null ) {
|
||
trapChain(v, chain);
|
||
return;
|
||
}
|
||
trapProp(owner, prop, true, {
|
||
v: undefined,
|
||
init: function(v) {
|
||
this.v = v;
|
||
return true;
|
||
},
|
||
getter: function() {
|
||
return this.v;
|
||
},
|
||
setter: function(a) {
|
||
this.v = a;
|
||
if ( a instanceof safe.Object ) {
|
||
trapChain(a, chain);
|
||
}
|
||
}
|
||
});
|
||
};
|
||
trapChain(window, chain);
|
||
}
|
||
runAt(( ) => {
|
||
setConstant(chain, rawValue);
|
||
}, extraArgs.runAt);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'replace-node-text.fn',
|
||
fn: replaceNodeTextFn,
|
||
dependencies: [
|
||
'get-random-token.fn',
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function replaceNodeTextFn(
|
||
nodeName = '',
|
||
pattern = '',
|
||
replacement = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('replace-node-text.fn', ...Array.from(arguments));
|
||
const reNodeName = safe.patternToRegex(nodeName, 'i', true);
|
||
const rePattern = safe.patternToRegex(pattern, 'gms');
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
const reIncludes = extraArgs.includes || extraArgs.condition
|
||
? safe.patternToRegex(extraArgs.includes || extraArgs.condition, 'ms')
|
||
: null;
|
||
const reExcludes = extraArgs.excludes
|
||
? safe.patternToRegex(extraArgs.excludes, 'ms')
|
||
: null;
|
||
const stop = (takeRecord = true) => {
|
||
if ( takeRecord ) {
|
||
handleMutations(observer.takeRecords());
|
||
}
|
||
observer.disconnect();
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, 'Quitting');
|
||
}
|
||
};
|
||
const textContentFactory = (( ) => {
|
||
const out = { createScript: s => s };
|
||
const { trustedTypes: tt } = self;
|
||
if ( tt instanceof Object ) {
|
||
if ( typeof tt.getPropertyType === 'function' ) {
|
||
if ( tt.getPropertyType('script', 'textContent') === 'TrustedScript' ) {
|
||
return tt.createPolicy(getRandomToken(), out);
|
||
}
|
||
}
|
||
}
|
||
return out;
|
||
})();
|
||
let sedCount = extraArgs.sedCount || 0;
|
||
const handleNode = node => {
|
||
const before = node.textContent;
|
||
if ( reIncludes ) {
|
||
reIncludes.lastIndex = 0;
|
||
if ( safe.RegExp_test.call(reIncludes, before) === false ) { return true; }
|
||
}
|
||
if ( reExcludes ) {
|
||
reExcludes.lastIndex = 0;
|
||
if ( safe.RegExp_test.call(reExcludes, before) ) { return true; }
|
||
}
|
||
rePattern.lastIndex = 0;
|
||
if ( safe.RegExp_test.call(rePattern, before) === false ) { return true; }
|
||
rePattern.lastIndex = 0;
|
||
const after = pattern !== ''
|
||
? before.replace(rePattern, replacement)
|
||
: replacement;
|
||
node.textContent = node.nodeName === 'SCRIPT'
|
||
? textContentFactory.createScript(after)
|
||
: after;
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Text before:\n${before.trim()}`);
|
||
}
|
||
safe.uboLog(logPrefix, `Text after:\n${after.trim()}`);
|
||
return sedCount === 0 || (sedCount -= 1) !== 0;
|
||
};
|
||
const handleMutations = mutations => {
|
||
for ( const mutation of mutations ) {
|
||
for ( const node of mutation.addedNodes ) {
|
||
if ( reNodeName.test(node.nodeName) === false ) { continue; }
|
||
if ( handleNode(node) ) { continue; }
|
||
stop(false); return;
|
||
}
|
||
}
|
||
};
|
||
const observer = new MutationObserver(handleMutations);
|
||
observer.observe(document, { childList: true, subtree: true });
|
||
if ( document.documentElement ) {
|
||
const treeWalker = document.createTreeWalker(
|
||
document.documentElement,
|
||
NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT
|
||
);
|
||
let count = 0;
|
||
for (;;) {
|
||
const node = treeWalker.nextNode();
|
||
count += 1;
|
||
if ( node === null ) { break; }
|
||
if ( reNodeName.test(node.nodeName) === false ) { continue; }
|
||
if ( node === document.currentScript ) { continue; }
|
||
if ( handleNode(node) ) { continue; }
|
||
stop(); break;
|
||
}
|
||
safe.uboLog(logPrefix, `${count} nodes present before installing mutation observer`);
|
||
}
|
||
if ( extraArgs.stay ) { return; }
|
||
runAt(( ) => {
|
||
const quitAfter = extraArgs.quitAfter || 0;
|
||
if ( quitAfter !== 0 ) {
|
||
setTimeout(( ) => { stop(); }, quitAfter);
|
||
} else {
|
||
stop();
|
||
}
|
||
}, 'interactive');
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'object-prune.fn',
|
||
fn: objectPruneFn,
|
||
dependencies: [
|
||
'matches-stack-trace.fn',
|
||
'object-find-owner.fn',
|
||
],
|
||
});
|
||
// When no "prune paths" argument is provided, the scriptlet is
|
||
// used for logging purpose and the "needle paths" argument is
|
||
// used to filter logging output.
|
||
//
|
||
// https://github.com/uBlockOrigin/uBlock-issues/issues/1545
|
||
// - Add support for "remove everything if needle matches" case
|
||
function objectPruneFn(
|
||
obj,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
stackNeedleDetails = { matchAll: true },
|
||
extraArgs = {}
|
||
) {
|
||
if ( typeof rawPrunePaths !== 'string' ) { return; }
|
||
const prunePaths = rawPrunePaths !== ''
|
||
? rawPrunePaths.split(/ +/)
|
||
: [];
|
||
const needlePaths = prunePaths.length !== 0 && rawNeedlePaths !== ''
|
||
? rawNeedlePaths.split(/ +/)
|
||
: [];
|
||
if ( stackNeedleDetails.matchAll !== true ) {
|
||
if ( matchesStackTrace(stackNeedleDetails, extraArgs.logstack) === false ) {
|
||
return;
|
||
}
|
||
}
|
||
if ( objectPruneFn.mustProcess === undefined ) {
|
||
objectPruneFn.mustProcess = (root, needlePaths) => {
|
||
for ( const needlePath of needlePaths ) {
|
||
if ( objectFindOwnerFn(root, needlePath) === false ) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
};
|
||
}
|
||
if ( prunePaths.length === 0 ) { return; }
|
||
let outcome = 'nomatch';
|
||
if ( objectPruneFn.mustProcess(obj, needlePaths) ) {
|
||
for ( const path of prunePaths ) {
|
||
if ( objectFindOwnerFn(obj, path, true) ) {
|
||
outcome = 'match';
|
||
}
|
||
}
|
||
}
|
||
if ( outcome === 'match' ) { return obj; }
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'object-find-owner.fn',
|
||
fn: objectFindOwnerFn,
|
||
});
|
||
function objectFindOwnerFn(
|
||
root,
|
||
path,
|
||
prune = false
|
||
) {
|
||
let owner = root;
|
||
let chain = path;
|
||
for (;;) {
|
||
if ( typeof owner !== 'object' || owner === null ) { return false; }
|
||
const pos = chain.indexOf('.');
|
||
if ( pos === -1 ) {
|
||
if ( prune === false ) {
|
||
return owner.hasOwnProperty(chain);
|
||
}
|
||
let modified = false;
|
||
if ( chain === '*' ) {
|
||
for ( const key in owner ) {
|
||
if ( owner.hasOwnProperty(key) === false ) { continue; }
|
||
delete owner[key];
|
||
modified = true;
|
||
}
|
||
} else if ( owner.hasOwnProperty(chain) ) {
|
||
delete owner[chain];
|
||
modified = true;
|
||
}
|
||
return modified;
|
||
}
|
||
const prop = chain.slice(0, pos);
|
||
const next = chain.slice(pos + 1);
|
||
let found = false;
|
||
if ( prop === '[-]' && Array.isArray(owner) ) {
|
||
let i = owner.length;
|
||
while ( i-- ) {
|
||
if ( objectFindOwnerFn(owner[i], next) === false ) { continue; }
|
||
owner.splice(i, 1);
|
||
found = true;
|
||
}
|
||
return found;
|
||
}
|
||
if ( prop === '{-}' && owner instanceof Object ) {
|
||
for ( const key of Object.keys(owner) ) {
|
||
if ( objectFindOwnerFn(owner[key], next) === false ) { continue; }
|
||
delete owner[key];
|
||
found = true;
|
||
}
|
||
return found;
|
||
}
|
||
if (
|
||
prop === '[]' && Array.isArray(owner) ||
|
||
prop === '{}' && owner instanceof Object ||
|
||
prop === '*' && owner instanceof Object
|
||
) {
|
||
for ( const key of Object.keys(owner) ) {
|
||
if (objectFindOwnerFn(owner[key], next, prune) === false ) { continue; }
|
||
found = true;
|
||
}
|
||
return found;
|
||
}
|
||
if ( owner.hasOwnProperty(prop) === false ) { return false; }
|
||
owner = owner[prop];
|
||
chain = chain.slice(pos + 1);
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'get-all-cookies.fn',
|
||
fn: getAllCookiesFn,
|
||
});
|
||
function getAllCookiesFn() {
|
||
return document.cookie.split(/\s*;\s*/).map(s => {
|
||
const pos = s.indexOf('=');
|
||
if ( pos === 0 ) { return; }
|
||
if ( pos === -1 ) { return `${s.trim()}=`; }
|
||
const key = s.slice(0, pos).trim();
|
||
const value = s.slice(pos+1).trim();
|
||
return { key, value };
|
||
}).filter(s => s !== undefined);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'get-all-local-storage.fn',
|
||
fn: getAllLocalStorageFn,
|
||
});
|
||
function getAllLocalStorageFn(which = 'localStorage') {
|
||
const storage = self[which];
|
||
const out = [];
|
||
for ( let i = 0; i < storage.length; i++ ) {
|
||
const key = storage.key(i);
|
||
const value = storage.getItem(key);
|
||
return { key, value };
|
||
}
|
||
return out;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'get-cookie.fn',
|
||
fn: getCookieFn,
|
||
});
|
||
function getCookieFn(
|
||
name = ''
|
||
) {
|
||
for ( const s of document.cookie.split(/\s*;\s*/) ) {
|
||
const pos = s.indexOf('=');
|
||
if ( pos === -1 ) { continue; }
|
||
if ( s.slice(0, pos) !== name ) { continue; }
|
||
return s.slice(pos+1).trim();
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-cookie.fn',
|
||
fn: setCookieFn,
|
||
dependencies: [
|
||
'get-cookie.fn',
|
||
],
|
||
});
|
||
function setCookieFn(
|
||
trusted = false,
|
||
name = '',
|
||
value = '',
|
||
expires = '',
|
||
path = '',
|
||
options = {},
|
||
) {
|
||
// https://datatracker.ietf.org/doc/html/rfc2616#section-2.2
|
||
// https://github.com/uBlockOrigin/uBlock-issues/issues/2777
|
||
if ( trusted === false && /[^!#$%&'*+\-.0-9A-Z[\]^_`a-z|~]/.test(name) ) {
|
||
name = encodeURIComponent(name);
|
||
}
|
||
// https://datatracker.ietf.org/doc/html/rfc6265#section-4.1.1
|
||
// The characters [",] are given a pass from the RFC requirements because
|
||
// apparently browsers do not follow the RFC to the letter.
|
||
if ( /[^ -:<-[\]-~]/.test(value) ) {
|
||
value = encodeURIComponent(value);
|
||
}
|
||
|
||
const cookieBefore = getCookieFn(name);
|
||
if ( cookieBefore !== undefined && options.dontOverwrite ) { return; }
|
||
if ( cookieBefore === value && options.reload ) { return; }
|
||
|
||
const cookieParts = [ name, '=', value ];
|
||
if ( expires !== '' ) {
|
||
cookieParts.push('; expires=', expires);
|
||
}
|
||
|
||
if ( path === '' ) { path = '/'; }
|
||
else if ( path === 'none' ) { path = ''; }
|
||
if ( path !== '' && path !== '/' ) { return; }
|
||
if ( path === '/' ) {
|
||
cookieParts.push('; path=/');
|
||
}
|
||
|
||
if ( trusted ) {
|
||
if ( options.domain ) {
|
||
cookieParts.push(`; domain=${options.domain}`);
|
||
}
|
||
cookieParts.push('; Secure');
|
||
} else if ( /^__(Host|Secure)-/.test(name) ) {
|
||
cookieParts.push('; Secure');
|
||
}
|
||
|
||
try {
|
||
document.cookie = cookieParts.join('');
|
||
} catch(_) {
|
||
}
|
||
|
||
const done = getCookieFn(name) === value;
|
||
if ( done && options.reload ) {
|
||
window.location.reload();
|
||
}
|
||
|
||
return done;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-local-storage-item.fn',
|
||
fn: setLocalStorageItemFn,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function setLocalStorageItemFn(
|
||
which = 'local',
|
||
trusted = false,
|
||
key = '',
|
||
value = '',
|
||
) {
|
||
if ( key === '' ) { return; }
|
||
|
||
// For increased compatibility with AdGuard
|
||
if ( value === 'emptyArr' ) {
|
||
value = '[]';
|
||
} else if ( value === 'emptyObj' ) {
|
||
value = '{}';
|
||
}
|
||
|
||
const trustedValues = [
|
||
'',
|
||
'undefined', 'null',
|
||
'false', 'true',
|
||
'on', 'off',
|
||
'yes', 'no',
|
||
'accept', 'reject',
|
||
'accepted', 'rejected',
|
||
'{}', '[]', '""',
|
||
'$remove$',
|
||
];
|
||
|
||
if ( trusted ) {
|
||
if ( value.includes('$now$') ) {
|
||
value = value.replaceAll('$now$', Date.now());
|
||
}
|
||
if ( value.includes('$currentDate$') ) {
|
||
value = value.replaceAll('$currentDate$', `${Date()}`);
|
||
}
|
||
if ( value.includes('$currentISODate$') ) {
|
||
value = value.replaceAll('$currentISODate$', (new Date()).toISOString());
|
||
}
|
||
} else {
|
||
const normalized = value.toLowerCase();
|
||
const match = /^("?)(.+)\1$/.exec(normalized);
|
||
const unquoted = match && match[2] || normalized;
|
||
if ( trustedValues.includes(unquoted) === false ) {
|
||
if ( /^\d+$/.test(unquoted) === false ) { return; }
|
||
const n = parseInt(unquoted, 10);
|
||
if ( n > 32767 ) { return; }
|
||
}
|
||
}
|
||
|
||
try {
|
||
const storage = self[`${which}Storage`];
|
||
if ( value === '$remove$' ) {
|
||
const safe = safeSelf();
|
||
const pattern = safe.patternToRegex(key, undefined, true );
|
||
const toRemove = [];
|
||
for ( let i = 0, n = storage.length; i < n; i++ ) {
|
||
const key = storage.key(i);
|
||
if ( pattern.test(key) ) { toRemove.push(key); }
|
||
}
|
||
for ( const key of toRemove ) {
|
||
storage.removeItem(key);
|
||
}
|
||
} else {
|
||
storage.setItem(key, `${value}`);
|
||
}
|
||
} catch(ex) {
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'matches-stack-trace.fn',
|
||
fn: matchesStackTrace,
|
||
dependencies: [
|
||
'get-exception-token.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function matchesStackTrace(
|
||
needleDetails,
|
||
logLevel = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const exceptionToken = getExceptionToken();
|
||
const error = new safe.Error(exceptionToken);
|
||
const docURL = new URL(self.location.href);
|
||
docURL.hash = '';
|
||
// Normalize stack trace
|
||
const reLine = /(.*?@)?(\S+)(:\d+):\d+\)?$/;
|
||
const lines = [];
|
||
for ( let line of error.stack.split(/[\n\r]+/) ) {
|
||
if ( line.includes(exceptionToken) ) { continue; }
|
||
line = line.trim();
|
||
const match = safe.RegExp_exec.call(reLine, line);
|
||
if ( match === null ) { continue; }
|
||
let url = match[2];
|
||
if ( url.startsWith('(') ) { url = url.slice(1); }
|
||
if ( url === docURL.href ) {
|
||
url = 'inlineScript';
|
||
} else if ( url.startsWith('<anonymous>') ) {
|
||
url = 'injectedScript';
|
||
}
|
||
let fn = match[1] !== undefined
|
||
? match[1].slice(0, -1)
|
||
: line.slice(0, match.index).trim();
|
||
if ( fn.startsWith('at') ) { fn = fn.slice(2).trim(); }
|
||
let rowcol = match[3];
|
||
lines.push(' ' + `${fn} ${url}${rowcol}:1`.trim());
|
||
}
|
||
lines[0] = `stackDepth:${lines.length-1}`;
|
||
const stack = lines.join('\t');
|
||
const r = needleDetails.matchAll !== true &&
|
||
safe.testPattern(needleDetails, stack);
|
||
if (
|
||
logLevel === 'all' ||
|
||
logLevel === 'match' && r ||
|
||
logLevel === 'nomatch' && !r
|
||
) {
|
||
safe.uboLog(stack.replace(/\t/g, '\n'));
|
||
}
|
||
return r;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'parse-properties-to-match.fn',
|
||
fn: parsePropertiesToMatch,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function parsePropertiesToMatch(propsToMatch, implicit = '') {
|
||
const safe = safeSelf();
|
||
const needles = new Map();
|
||
if ( propsToMatch === undefined || propsToMatch === '' ) { return needles; }
|
||
const options = { canNegate: true };
|
||
for ( const needle of propsToMatch.split(/\s+/) ) {
|
||
const [ prop, pattern ] = needle.split(':');
|
||
if ( prop === '' ) { continue; }
|
||
if ( pattern !== undefined ) {
|
||
needles.set(prop, safe.initPattern(pattern, options));
|
||
} else if ( implicit !== '' ) {
|
||
needles.set(implicit, safe.initPattern(prop, options));
|
||
}
|
||
}
|
||
return needles;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'match-object-properties.fn',
|
||
fn: matchObjectProperties,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function matchObjectProperties(propNeedles, ...objs) {
|
||
if ( matchObjectProperties.extractProperties === undefined ) {
|
||
matchObjectProperties.extractProperties = (src, des, props) => {
|
||
for ( const p of props ) {
|
||
const v = src[p];
|
||
if ( v === undefined ) { continue; }
|
||
des[p] = src[p];
|
||
}
|
||
};
|
||
}
|
||
const safe = safeSelf();
|
||
const haystack = {};
|
||
const props = safe.Array_from(propNeedles.keys());
|
||
for ( const obj of objs ) {
|
||
if ( obj instanceof Object === false ) { continue; }
|
||
matchObjectProperties.extractProperties(obj, haystack, props);
|
||
}
|
||
for ( const [ prop, details ] of propNeedles ) {
|
||
let value = haystack[prop];
|
||
if ( value === undefined ) { continue; }
|
||
if ( typeof value !== 'string' ) {
|
||
try { value = safe.JSON_stringify(value); }
|
||
catch(ex) { }
|
||
if ( typeof value !== 'string' ) { continue; }
|
||
}
|
||
if ( safe.testPattern(details, value) ) { continue; }
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'json-prune-fetch-response.fn',
|
||
fn: jsonPruneFetchResponseFn,
|
||
dependencies: [
|
||
'match-object-properties.fn',
|
||
'object-prune.fn',
|
||
'parse-properties-to-match.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function jsonPruneFetchResponseFn(
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('json-prune-fetch-response', rawPrunePaths, rawNeedlePaths);
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||
const propNeedles = parsePropertiesToMatch(extraArgs.propsToMatch, 'url');
|
||
const stackNeedle = safe.initPattern(extraArgs.stackToMatch || '', { canNegate: true });
|
||
const logall = rawPrunePaths === '';
|
||
const applyHandler = function(target, thisArg, args) {
|
||
const fetchPromise = Reflect.apply(target, thisArg, args);
|
||
let outcome = logall ? 'nomatch' : 'match';
|
||
if ( propNeedles.size !== 0 ) {
|
||
const objs = [ args[0] instanceof Object ? args[0] : { url: args[0] } ];
|
||
if ( objs[0] instanceof Request ) {
|
||
try {
|
||
objs[0] = safe.Request_clone.call(objs[0]);
|
||
} catch(ex) {
|
||
safe.uboErr(logPrefix, 'Error:', ex);
|
||
}
|
||
}
|
||
if ( args[1] instanceof Object ) {
|
||
objs.push(args[1]);
|
||
}
|
||
if ( matchObjectProperties(propNeedles, ...objs) === false ) {
|
||
outcome = 'nomatch';
|
||
}
|
||
}
|
||
if ( logall === false && outcome === 'nomatch' ) { return fetchPromise; }
|
||
if ( safe.logLevel > 1 && outcome !== 'nomatch' && propNeedles.size !== 0 ) {
|
||
safe.uboLog(logPrefix, `Matched optional "propsToMatch"\n${extraArgs.propsToMatch}`);
|
||
}
|
||
return fetchPromise.then(responseBefore => {
|
||
const response = responseBefore.clone();
|
||
return response.json().then(objBefore => {
|
||
if ( typeof objBefore !== 'object' ) { return responseBefore; }
|
||
if ( logall ) {
|
||
safe.uboLog(logPrefix, safe.JSON_stringify(objBefore, null, 2));
|
||
return responseBefore;
|
||
}
|
||
const objAfter = objectPruneFn(
|
||
objBefore,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
stackNeedle,
|
||
extraArgs
|
||
);
|
||
if ( typeof objAfter !== 'object' ) { return responseBefore; }
|
||
safe.uboLog(logPrefix, 'Pruned');
|
||
const responseAfter = Response.json(objAfter, {
|
||
status: responseBefore.status,
|
||
statusText: responseBefore.statusText,
|
||
headers: responseBefore.headers,
|
||
});
|
||
Object.defineProperties(responseAfter, {
|
||
ok: { value: responseBefore.ok },
|
||
redirected: { value: responseBefore.redirected },
|
||
type: { value: responseBefore.type },
|
||
url: { value: responseBefore.url },
|
||
});
|
||
return responseAfter;
|
||
}).catch(reason => {
|
||
safe.uboErr(logPrefix, 'Error:', reason);
|
||
return responseBefore;
|
||
});
|
||
}).catch(reason => {
|
||
safe.uboErr(logPrefix, 'Error:', reason);
|
||
return fetchPromise;
|
||
});
|
||
};
|
||
self.fetch = new Proxy(self.fetch, {
|
||
apply: applyHandler
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'replace-fetch-response.fn',
|
||
fn: replaceFetchResponseFn,
|
||
dependencies: [
|
||
'match-object-properties.fn',
|
||
'parse-properties-to-match.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function replaceFetchResponseFn(
|
||
trusted = false,
|
||
pattern = '',
|
||
replacement = '',
|
||
propsToMatch = ''
|
||
) {
|
||
if ( trusted !== true ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('replace-fetch-response', pattern, replacement, propsToMatch);
|
||
if ( pattern === '*' ) { pattern = '.*'; }
|
||
const rePattern = safe.patternToRegex(pattern);
|
||
const propNeedles = parsePropertiesToMatch(propsToMatch, 'url');
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 4);
|
||
const reIncludes = extraArgs.includes ? safe.patternToRegex(extraArgs.includes) : null;
|
||
self.fetch = new Proxy(self.fetch, {
|
||
apply: function(target, thisArg, args) {
|
||
const fetchPromise = Reflect.apply(target, thisArg, args);
|
||
if ( pattern === '' ) { return fetchPromise; }
|
||
let outcome = 'match';
|
||
if ( propNeedles.size !== 0 ) {
|
||
const objs = [ args[0] instanceof Object ? args[0] : { url: args[0] } ];
|
||
if ( objs[0] instanceof Request ) {
|
||
try {
|
||
objs[0] = safe.Request_clone.call(objs[0]);
|
||
}
|
||
catch(ex) {
|
||
safe.uboErr(logPrefix, ex);
|
||
}
|
||
}
|
||
if ( args[1] instanceof Object ) {
|
||
objs.push(args[1]);
|
||
}
|
||
if ( matchObjectProperties(propNeedles, ...objs) === false ) {
|
||
outcome = 'nomatch';
|
||
}
|
||
}
|
||
if ( outcome === 'nomatch' ) { return fetchPromise; }
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Matched "propsToMatch"\n${propsToMatch}`);
|
||
}
|
||
return fetchPromise.then(responseBefore => {
|
||
const response = responseBefore.clone();
|
||
return response.text().then(textBefore => {
|
||
if ( reIncludes && reIncludes.test(textBefore) === false ) {
|
||
return responseBefore;
|
||
}
|
||
const textAfter = textBefore.replace(rePattern, replacement);
|
||
const outcome = textAfter !== textBefore ? 'match' : 'nomatch';
|
||
if ( outcome === 'nomatch' ) { return responseBefore; }
|
||
safe.uboLog(logPrefix, 'Replaced');
|
||
const responseAfter = new Response(textAfter, {
|
||
status: responseBefore.status,
|
||
statusText: responseBefore.statusText,
|
||
headers: responseBefore.headers,
|
||
});
|
||
Object.defineProperties(responseAfter, {
|
||
ok: { value: responseBefore.ok },
|
||
redirected: { value: responseBefore.redirected },
|
||
type: { value: responseBefore.type },
|
||
url: { value: responseBefore.url },
|
||
});
|
||
return responseAfter;
|
||
}).catch(reason => {
|
||
safe.uboErr(logPrefix, reason);
|
||
return responseBefore;
|
||
});
|
||
}).catch(reason => {
|
||
safe.uboErr(logPrefix, reason);
|
||
return fetchPromise;
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'proxy-apply.fn',
|
||
fn: proxyApplyFn,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function proxyApplyFn(
|
||
target = '',
|
||
handler = ''
|
||
) {
|
||
let context = globalThis;
|
||
let prop = target;
|
||
for (;;) {
|
||
const pos = prop.indexOf('.');
|
||
if ( pos === -1 ) { break; }
|
||
context = context[prop.slice(0, pos)];
|
||
if ( context instanceof Object === false ) { return; }
|
||
prop = prop.slice(pos+1);
|
||
}
|
||
const fn = context[prop];
|
||
if ( typeof fn !== 'function' ) { return; }
|
||
if ( fn.prototype && fn.prototype.constructor === fn ) {
|
||
context[prop] = new Proxy(fn, { construct: handler });
|
||
return (...args) => { return Reflect.construct(...args); };
|
||
}
|
||
context[prop] = new Proxy(fn, { apply: handler });
|
||
return (...args) => { return Reflect.apply(...args); };
|
||
}
|
||
|
||
/*******************************************************************************
|
||
|
||
Injectable scriptlets
|
||
|
||
These are meant to be used in the MAIN (webpage) execution world.
|
||
|
||
*******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'abort-current-script.js',
|
||
aliases: [
|
||
'acs.js',
|
||
'abort-current-inline-script.js',
|
||
'acis.js',
|
||
],
|
||
fn: abortCurrentScript,
|
||
dependencies: [
|
||
'abort-current-script-core.fn',
|
||
'run-at-html-element.fn',
|
||
],
|
||
});
|
||
// Issues to mind before changing anything:
|
||
// https://github.com/uBlockOrigin/uBlock-issues/issues/2154
|
||
function abortCurrentScript(...args) {
|
||
runAtHtmlElementFn(( ) => {
|
||
abortCurrentScriptCore(...args);
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'abort-on-property-read.js',
|
||
aliases: [
|
||
'aopr.js',
|
||
],
|
||
fn: abortOnPropertyRead,
|
||
dependencies: [
|
||
'get-exception-token.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function abortOnPropertyRead(
|
||
chain = ''
|
||
) {
|
||
if ( typeof chain !== 'string' ) { return; }
|
||
if ( chain === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('abort-on-property-read', chain);
|
||
const exceptionToken = getExceptionToken();
|
||
const abort = function() {
|
||
safe.uboLog(logPrefix, 'Aborted');
|
||
throw new ReferenceError(exceptionToken);
|
||
};
|
||
const makeProxy = function(owner, chain) {
|
||
const pos = chain.indexOf('.');
|
||
if ( pos === -1 ) {
|
||
const desc = Object.getOwnPropertyDescriptor(owner, chain);
|
||
if ( !desc || desc.get !== abort ) {
|
||
Object.defineProperty(owner, chain, {
|
||
get: abort,
|
||
set: function(){}
|
||
});
|
||
}
|
||
return;
|
||
}
|
||
const prop = chain.slice(0, pos);
|
||
let v = owner[prop];
|
||
chain = chain.slice(pos + 1);
|
||
if ( v ) {
|
||
makeProxy(v, chain);
|
||
return;
|
||
}
|
||
const desc = Object.getOwnPropertyDescriptor(owner, prop);
|
||
if ( desc && desc.set !== undefined ) { return; }
|
||
Object.defineProperty(owner, prop, {
|
||
get: function() { return v; },
|
||
set: function(a) {
|
||
v = a;
|
||
if ( a instanceof Object ) {
|
||
makeProxy(a, chain);
|
||
}
|
||
}
|
||
});
|
||
};
|
||
const owner = window;
|
||
makeProxy(owner, chain);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'abort-on-property-write.js',
|
||
aliases: [
|
||
'aopw.js',
|
||
],
|
||
fn: abortOnPropertyWrite,
|
||
dependencies: [
|
||
'get-exception-token.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function abortOnPropertyWrite(
|
||
prop = ''
|
||
) {
|
||
if ( typeof prop !== 'string' ) { return; }
|
||
if ( prop === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('abort-on-property-write', prop);
|
||
const exceptionToken = getExceptionToken();
|
||
let owner = window;
|
||
for (;;) {
|
||
const pos = prop.indexOf('.');
|
||
if ( pos === -1 ) { break; }
|
||
owner = owner[prop.slice(0, pos)];
|
||
if ( owner instanceof Object === false ) { return; }
|
||
prop = prop.slice(pos + 1);
|
||
}
|
||
delete owner[prop];
|
||
Object.defineProperty(owner, prop, {
|
||
set: function() {
|
||
safe.uboLog(logPrefix, 'Aborted');
|
||
throw new ReferenceError(exceptionToken);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'abort-on-stack-trace.js',
|
||
aliases: [
|
||
'aost.js',
|
||
],
|
||
fn: abortOnStackTrace,
|
||
dependencies: [
|
||
'get-exception-token.fn',
|
||
'matches-stack-trace.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function abortOnStackTrace(
|
||
chain = '',
|
||
needle = ''
|
||
) {
|
||
if ( typeof chain !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const needleDetails = safe.initPattern(needle, { canNegate: true });
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||
if ( needle === '' ) { extraArgs.log = 'all'; }
|
||
const makeProxy = function(owner, chain) {
|
||
const pos = chain.indexOf('.');
|
||
if ( pos === -1 ) {
|
||
let v = owner[chain];
|
||
Object.defineProperty(owner, chain, {
|
||
get: function() {
|
||
if ( matchesStackTrace(needleDetails, extraArgs.log) ) {
|
||
throw new ReferenceError(getExceptionToken());
|
||
}
|
||
return v;
|
||
},
|
||
set: function(a) {
|
||
if ( matchesStackTrace(needleDetails, extraArgs.log) ) {
|
||
throw new ReferenceError(getExceptionToken());
|
||
}
|
||
v = a;
|
||
},
|
||
});
|
||
return;
|
||
}
|
||
const prop = chain.slice(0, pos);
|
||
let v = owner[prop];
|
||
chain = chain.slice(pos + 1);
|
||
if ( v ) {
|
||
makeProxy(v, chain);
|
||
return;
|
||
}
|
||
const desc = Object.getOwnPropertyDescriptor(owner, prop);
|
||
if ( desc && desc.set !== undefined ) { return; }
|
||
Object.defineProperty(owner, prop, {
|
||
get: function() { return v; },
|
||
set: function(a) {
|
||
v = a;
|
||
if ( a instanceof Object ) {
|
||
makeProxy(a, chain);
|
||
}
|
||
}
|
||
});
|
||
};
|
||
const owner = window;
|
||
makeProxy(owner, chain);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'addEventListener-defuser.js',
|
||
aliases: [
|
||
'aeld.js',
|
||
'prevent-addEventListener.js',
|
||
],
|
||
fn: addEventListenerDefuser,
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
'should-debug.fn',
|
||
],
|
||
});
|
||
// https://github.com/uBlockOrigin/uAssets/issues/9123#issuecomment-848255120
|
||
function addEventListenerDefuser(
|
||
type = '',
|
||
pattern = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||
const logPrefix = safe.makeLogPrefix('prevent-addEventListener', type, pattern);
|
||
const reType = safe.patternToRegex(type, undefined, true);
|
||
const rePattern = safe.patternToRegex(pattern);
|
||
const debug = shouldDebug(extraArgs);
|
||
const targetSelector = extraArgs.elements || undefined;
|
||
const elementMatches = elem => {
|
||
if ( targetSelector === 'window' ) { return elem === window; }
|
||
if ( targetSelector === 'document' ) { return elem === document; }
|
||
if ( elem && elem.matches && elem.matches(targetSelector) ) { return true; }
|
||
const elems = Array.from(document.querySelectorAll(targetSelector));
|
||
return elems.includes(elem);
|
||
};
|
||
const elementDetails = elem => {
|
||
if ( elem instanceof Window ) { return 'window'; }
|
||
if ( elem instanceof Document ) { return 'document'; }
|
||
if ( elem instanceof Element === false ) { return '?'; }
|
||
const parts = [];
|
||
// https://github.com/uBlockOrigin/uAssets/discussions/17907#discussioncomment-9871079
|
||
const id = String(elem.id);
|
||
if ( id !== '' ) { parts.push(`#${CSS.escape(id)}`); }
|
||
for ( let i = 0; i < elem.classList.length; i++ ) {
|
||
parts.push(`.${CSS.escape(elem.classList.item(i))}`);
|
||
}
|
||
for ( let i = 0; i < elem.attributes.length; i++ ) {
|
||
const attr = elem.attributes.item(i);
|
||
if ( attr.name === 'id' ) { continue; }
|
||
if ( attr.name === 'class' ) { continue; }
|
||
parts.push(`[${CSS.escape(attr.name)}="${attr.value}"]`);
|
||
}
|
||
return parts.join('');
|
||
};
|
||
const shouldPrevent = (thisArg, type, handler) => {
|
||
const matchesType = safe.RegExp_test.call(reType, type);
|
||
const matchesHandler = safe.RegExp_test.call(rePattern, handler);
|
||
const matchesEither = matchesType || matchesHandler;
|
||
const matchesBoth = matchesType && matchesHandler;
|
||
if ( debug === 1 && matchesBoth || debug === 2 && matchesEither ) {
|
||
debugger; // eslint-disable-line no-debugger
|
||
}
|
||
if ( matchesBoth && targetSelector !== undefined ) {
|
||
if ( elementMatches(thisArg) === false ) { return false; }
|
||
}
|
||
return matchesBoth;
|
||
};
|
||
const trapEddEventListeners = ( ) => {
|
||
const eventListenerHandler = {
|
||
apply: function(target, thisArg, args) {
|
||
let t, h;
|
||
try {
|
||
t = String(args[0]);
|
||
if ( typeof args[1] === 'function' ) {
|
||
h = String(safe.Function_toString(args[1]));
|
||
} else if ( typeof args[1] === 'object' && args[1] !== null ) {
|
||
if ( typeof args[1].handleEvent === 'function' ) {
|
||
h = String(safe.Function_toString(args[1].handleEvent));
|
||
}
|
||
} else {
|
||
h = String(args[1]);
|
||
}
|
||
} catch(ex) {
|
||
}
|
||
if ( type === '' && pattern === '' ) {
|
||
safe.uboLog(logPrefix, `Called: ${t}\n${h}\n${elementDetails(thisArg)}`);
|
||
} else if ( shouldPrevent(thisArg, t, h) ) {
|
||
return safe.uboLog(logPrefix, `Prevented: ${t}\n${h}\n${elementDetails(thisArg)}`);
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
};
|
||
self.EventTarget.prototype.addEventListener = new Proxy(
|
||
self.EventTarget.prototype.addEventListener,
|
||
eventListenerHandler
|
||
);
|
||
};
|
||
runAt(( ) => {
|
||
trapEddEventListeners();
|
||
}, extraArgs.runAt);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'json-prune.js',
|
||
fn: jsonPrune,
|
||
dependencies: [
|
||
'object-prune.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function jsonPrune(
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = '',
|
||
stackNeedle = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('json-prune', rawPrunePaths, rawNeedlePaths, stackNeedle);
|
||
const stackNeedleDetails = safe.initPattern(stackNeedle, { canNegate: true });
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
JSON.parse = new Proxy(JSON.parse, {
|
||
apply: function(target, thisArg, args) {
|
||
const objBefore = Reflect.apply(target, thisArg, args);
|
||
if ( rawPrunePaths === '' ) {
|
||
safe.uboLog(logPrefix, safe.JSON_stringify(objBefore, null, 2));
|
||
}
|
||
const objAfter = objectPruneFn(
|
||
objBefore,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
stackNeedleDetails,
|
||
extraArgs
|
||
);
|
||
if ( objAfter === undefined ) { return objBefore; }
|
||
safe.uboLog(logPrefix, 'Pruned');
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `After pruning:\n${safe.JSON_stringify(objAfter, null, 2)}`);
|
||
}
|
||
return objAfter;
|
||
},
|
||
});
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* json-prune-fetch-response.js
|
||
*
|
||
* Prune JSON response of fetch requests.
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'json-prune-fetch-response.js',
|
||
fn: jsonPruneFetchResponse,
|
||
dependencies: [
|
||
'json-prune-fetch-response.fn',
|
||
],
|
||
});
|
||
function jsonPruneFetchResponse(...args) {
|
||
jsonPruneFetchResponseFn(...args);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'json-prune-xhr-response.js',
|
||
fn: jsonPruneXhrResponse,
|
||
dependencies: [
|
||
'match-object-properties.fn',
|
||
'object-prune.fn',
|
||
'parse-properties-to-match.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function jsonPruneXhrResponse(
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('json-prune-xhr-response', rawPrunePaths, rawNeedlePaths);
|
||
const xhrInstances = new WeakMap();
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
|
||
const propNeedles = parsePropertiesToMatch(extraArgs.propsToMatch, 'url');
|
||
const stackNeedle = safe.initPattern(extraArgs.stackToMatch || '', { canNegate: true });
|
||
self.XMLHttpRequest = class extends self.XMLHttpRequest {
|
||
open(method, url, ...args) {
|
||
const xhrDetails = { method, url };
|
||
let outcome = 'match';
|
||
if ( propNeedles.size !== 0 ) {
|
||
if ( matchObjectProperties(propNeedles, xhrDetails) === false ) {
|
||
outcome = 'nomatch';
|
||
}
|
||
}
|
||
if ( outcome === 'match' ) {
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Matched optional "propsToMatch", "${extraArgs.propsToMatch}"`);
|
||
}
|
||
xhrInstances.set(this, xhrDetails);
|
||
}
|
||
return super.open(method, url, ...args);
|
||
}
|
||
get response() {
|
||
const innerResponse = super.response;
|
||
const xhrDetails = xhrInstances.get(this);
|
||
if ( xhrDetails === undefined ) {
|
||
return innerResponse;
|
||
}
|
||
const responseLength = typeof innerResponse === 'string'
|
||
? innerResponse.length
|
||
: undefined;
|
||
if ( xhrDetails.lastResponseLength !== responseLength ) {
|
||
xhrDetails.response = undefined;
|
||
xhrDetails.lastResponseLength = responseLength;
|
||
}
|
||
if ( xhrDetails.response !== undefined ) {
|
||
return xhrDetails.response;
|
||
}
|
||
let objBefore;
|
||
if ( typeof innerResponse === 'object' ) {
|
||
objBefore = innerResponse;
|
||
} else if ( typeof innerResponse === 'string' ) {
|
||
try {
|
||
objBefore = safe.JSON_parse(innerResponse);
|
||
} catch(ex) {
|
||
}
|
||
}
|
||
if ( typeof objBefore !== 'object' ) {
|
||
return (xhrDetails.response = innerResponse);
|
||
}
|
||
const objAfter = objectPruneFn(
|
||
objBefore,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
stackNeedle,
|
||
extraArgs
|
||
);
|
||
let outerResponse;
|
||
if ( typeof objAfter === 'object' ) {
|
||
outerResponse = typeof innerResponse === 'string'
|
||
? safe.JSON_stringify(objAfter)
|
||
: objAfter;
|
||
safe.uboLog(logPrefix, 'Pruned');
|
||
} else {
|
||
outerResponse = innerResponse;
|
||
}
|
||
return (xhrDetails.response = outerResponse);
|
||
}
|
||
get responseText() {
|
||
const response = this.response;
|
||
return typeof response !== 'string'
|
||
? super.responseText
|
||
: response;
|
||
}
|
||
};
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
// There is still code out there which uses `eval` in lieu of `JSON.parse`.
|
||
|
||
builtinScriptlets.push({
|
||
name: 'evaldata-prune.js',
|
||
fn: evaldataPrune,
|
||
dependencies: [
|
||
'object-prune.fn',
|
||
],
|
||
});
|
||
function evaldataPrune(
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = ''
|
||
) {
|
||
self.eval = new Proxy(self.eval, {
|
||
apply(target, thisArg, args) {
|
||
const before = Reflect.apply(target, thisArg, args);
|
||
if ( typeof before === 'object' ) {
|
||
const after = objectPruneFn(before, rawPrunePaths, rawNeedlePaths);
|
||
return after || before;
|
||
}
|
||
return before;
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'adjust-setInterval.js',
|
||
aliases: [
|
||
'nano-setInterval-booster.js',
|
||
'nano-sib.js',
|
||
],
|
||
fn: adjustSetInterval,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// Imported from:
|
||
// https://github.com/NanoAdblocker/NanoFilters/blob/1f3be7211bb0809c5106996f52564bf10c4525f7/NanoFiltersSource/NanoResources.txt#L126
|
||
//
|
||
// Speed up or down setInterval, 3 optional arguments.
|
||
// The payload matcher, a string literal or a JavaScript RegExp, defaults
|
||
// to match all.
|
||
// delayMatcher
|
||
// The delay matcher, an integer, defaults to 1000.
|
||
// Use `*` to match any delay.
|
||
// boostRatio - The delay multiplier when there is a match, 0.5 speeds up by
|
||
// 2 times and 2 slows down by 2 times, defaults to 0.05 or speed up
|
||
// 20 times. Speed up and down both cap at 50 times.
|
||
function adjustSetInterval(
|
||
needleArg = '',
|
||
delayArg = '',
|
||
boostArg = ''
|
||
) {
|
||
if ( typeof needleArg !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const reNeedle = safe.patternToRegex(needleArg);
|
||
let delay = delayArg !== '*' ? parseInt(delayArg, 10) : -1;
|
||
if ( isNaN(delay) || isFinite(delay) === false ) { delay = 1000; }
|
||
let boost = parseFloat(boostArg);
|
||
boost = isNaN(boost) === false && isFinite(boost)
|
||
? Math.min(Math.max(boost, 0.001), 50)
|
||
: 0.05;
|
||
self.setInterval = new Proxy(self.setInterval, {
|
||
apply: function(target, thisArg, args) {
|
||
const [ a, b ] = args;
|
||
if (
|
||
(delay === -1 || b === delay) &&
|
||
reNeedle.test(a.toString())
|
||
) {
|
||
args[1] = b * boost;
|
||
}
|
||
return target.apply(thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'adjust-setTimeout.js',
|
||
aliases: [
|
||
'nano-setTimeout-booster.js',
|
||
'nano-stb.js',
|
||
],
|
||
fn: adjustSetTimeout,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// Imported from:
|
||
// https://github.com/NanoAdblocker/NanoFilters/blob/1f3be7211bb0809c5106996f52564bf10c4525f7/NanoFiltersSource/NanoResources.txt#L82
|
||
//
|
||
// Speed up or down setTimeout, 3 optional arguments.
|
||
// funcMatcher
|
||
// The payload matcher, a string literal or a JavaScript RegExp, defaults
|
||
// to match all.
|
||
// delayMatcher
|
||
// The delay matcher, an integer, defaults to 1000.
|
||
// Use `*` to match any delay.
|
||
// boostRatio - The delay multiplier when there is a match, 0.5 speeds up by
|
||
// 2 times and 2 slows down by 2 times, defaults to 0.05 or speed up
|
||
// 20 times. Speed up and down both cap at 50 times.
|
||
function adjustSetTimeout(
|
||
needleArg = '',
|
||
delayArg = '',
|
||
boostArg = ''
|
||
) {
|
||
if ( typeof needleArg !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const reNeedle = safe.patternToRegex(needleArg);
|
||
let delay = delayArg !== '*' ? parseInt(delayArg, 10) : -1;
|
||
if ( isNaN(delay) || isFinite(delay) === false ) { delay = 1000; }
|
||
let boost = parseFloat(boostArg);
|
||
boost = isNaN(boost) === false && isFinite(boost)
|
||
? Math.min(Math.max(boost, 0.001), 50)
|
||
: 0.05;
|
||
self.setTimeout = new Proxy(self.setTimeout, {
|
||
apply: function(target, thisArg, args) {
|
||
const [ a, b ] = args;
|
||
if (
|
||
(delay === -1 || b === delay) &&
|
||
reNeedle.test(a.toString())
|
||
) {
|
||
args[1] = b * boost;
|
||
}
|
||
return target.apply(thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'noeval-if.js',
|
||
aliases: [
|
||
'prevent-eval-if.js',
|
||
],
|
||
fn: noEvalIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noEvalIf(
|
||
needle = ''
|
||
) {
|
||
if ( typeof needle !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('noeval-if', needle);
|
||
const reNeedle = safe.patternToRegex(needle);
|
||
window.eval = new Proxy(window.eval, { // jshint ignore: line
|
||
apply: function(target, thisArg, args) {
|
||
const a = String(args[0]);
|
||
if ( needle !== '' && reNeedle.test(a) ) {
|
||
safe.uboLog(logPrefix, 'Prevented:\n', a);
|
||
return;
|
||
}
|
||
if ( needle === '' || safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, 'Not prevented:\n', a);
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'prevent-fetch.js',
|
||
aliases: [
|
||
'no-fetch-if.js',
|
||
],
|
||
fn: noFetchIf,
|
||
dependencies: [
|
||
'generate-content.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noFetchIf(
|
||
propsToMatch = '',
|
||
responseBody = '',
|
||
responseType = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('prevent-fetch', propsToMatch, responseBody, responseType);
|
||
const needles = [];
|
||
for ( const condition of propsToMatch.split(/\s+/) ) {
|
||
if ( condition === '' ) { continue; }
|
||
const pos = condition.indexOf(':');
|
||
let key, value;
|
||
if ( pos !== -1 ) {
|
||
key = condition.slice(0, pos);
|
||
value = condition.slice(pos + 1);
|
||
} else {
|
||
key = 'url';
|
||
value = condition;
|
||
}
|
||
needles.push({ key, re: safe.patternToRegex(value) });
|
||
}
|
||
const validResponseProps = {
|
||
ok: [ false, true ],
|
||
statusText: [ '', 'Not Found' ],
|
||
type: [ 'basic', 'cors', 'default', 'error', 'opaque' ],
|
||
};
|
||
const responseProps = {
|
||
statusText: { value: 'OK' },
|
||
};
|
||
if ( /^\{.*\}$/.test(responseType) ) {
|
||
try {
|
||
Object.entries(JSON.parse(responseType)).forEach(([ p, v ]) => {
|
||
if ( validResponseProps[p] === undefined ) { return; }
|
||
if ( validResponseProps[p].includes(v) === false ) { return; }
|
||
responseProps[p] = { value: v };
|
||
});
|
||
}
|
||
catch(ex) {}
|
||
} else if ( responseType !== '' ) {
|
||
if ( validResponseProps.type.includes(responseType) ) {
|
||
responseProps.type = { value: responseType };
|
||
}
|
||
}
|
||
self.fetch = new Proxy(self.fetch, {
|
||
apply: function(target, thisArg, args) {
|
||
const details = args[0] instanceof self.Request
|
||
? args[0]
|
||
: Object.assign({ url: args[0] }, args[1]);
|
||
let proceed = true;
|
||
try {
|
||
const props = new Map();
|
||
for ( const prop in details ) {
|
||
let v = details[prop];
|
||
if ( typeof v !== 'string' ) {
|
||
try { v = safe.JSON_stringify(v); }
|
||
catch(ex) { }
|
||
}
|
||
if ( typeof v !== 'string' ) { continue; }
|
||
props.set(prop, v);
|
||
}
|
||
if ( propsToMatch === '' && responseBody === '' ) {
|
||
const out = Array.from(props).map(a => `${a[0]}:${a[1]}`);
|
||
safe.uboLog(logPrefix, `Called: ${out.join('\n')}`);
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
proceed = needles.length === 0;
|
||
for ( const { key, re } of needles ) {
|
||
if (
|
||
props.has(key) === false ||
|
||
re.test(props.get(key)) === false
|
||
) {
|
||
proceed = true;
|
||
break;
|
||
}
|
||
}
|
||
} catch(ex) {
|
||
}
|
||
if ( proceed ) {
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
return generateContentFn(responseBody).then(text => {
|
||
safe.uboLog(logPrefix, `Prevented with response "${text}"`);
|
||
const response = new Response(text, {
|
||
headers: {
|
||
'Content-Length': text.length,
|
||
}
|
||
});
|
||
const props = Object.assign(
|
||
{ url: { value: details.url } },
|
||
responseProps
|
||
);
|
||
safe.Object_defineProperties(response, props);
|
||
return response;
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'prevent-refresh.js',
|
||
aliases: [
|
||
'refresh-defuser.js',
|
||
],
|
||
fn: preventRefresh,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// https://www.reddit.com/r/uBlockOrigin/comments/q0frv0/while_reading_a_sports_article_i_was_redirected/hf7wo9v/
|
||
function preventRefresh(
|
||
arg1 = ''
|
||
) {
|
||
if ( typeof arg1 !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('prevent-refresh', arg1);
|
||
const defuse = ( ) => {
|
||
const meta = document.querySelector('meta[http-equiv="refresh" i][content]');
|
||
if ( meta === null ) { return; }
|
||
safe.uboLog(logPrefix, `Prevented "${meta.textContent}"`);
|
||
const s = arg1 === ''
|
||
? meta.getAttribute('content')
|
||
: arg1;
|
||
const ms = Math.max(parseFloat(s) || 0, 0) * 1000;
|
||
setTimeout(( ) => { window.stop(); }, ms);
|
||
};
|
||
runAt(( ) => {
|
||
defuse();
|
||
}, 'interactive');
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'remove-attr.js',
|
||
aliases: [
|
||
'ra.js',
|
||
],
|
||
fn: removeAttr,
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function removeAttr(
|
||
rawToken = '',
|
||
rawSelector = '',
|
||
behavior = ''
|
||
) {
|
||
if ( typeof rawToken !== 'string' ) { return; }
|
||
if ( rawToken === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('remove-attr', rawToken, rawSelector, behavior);
|
||
const tokens = rawToken.split(/\s*\|\s*/);
|
||
const selector = tokens
|
||
.map(a => `${rawSelector}[${CSS.escape(a)}]`)
|
||
.join(',');
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Target selector:\n\t${selector}`);
|
||
}
|
||
const asap = /\basap\b/.test(behavior);
|
||
let timerId;
|
||
const rmattrAsync = ( ) => {
|
||
if ( timerId !== undefined ) { return; }
|
||
timerId = safe.onIdle(( ) => {
|
||
timerId = undefined;
|
||
rmattr();
|
||
}, { timeout: 17 });
|
||
};
|
||
const rmattr = ( ) => {
|
||
if ( timerId !== undefined ) {
|
||
safe.offIdle(timerId);
|
||
timerId = undefined;
|
||
}
|
||
try {
|
||
const nodes = document.querySelectorAll(selector);
|
||
for ( const node of nodes ) {
|
||
for ( const attr of tokens ) {
|
||
if ( node.hasAttribute(attr) === false ) { continue; }
|
||
node.removeAttribute(attr);
|
||
safe.uboLog(logPrefix, `Removed attribute '${attr}'`);
|
||
}
|
||
}
|
||
} catch(ex) {
|
||
}
|
||
};
|
||
const mutationHandler = mutations => {
|
||
if ( timerId !== undefined ) { return; }
|
||
let skip = true;
|
||
for ( let i = 0; i < mutations.length && skip; i++ ) {
|
||
const { type, addedNodes, removedNodes } = mutations[i];
|
||
if ( type === 'attributes' ) { skip = false; }
|
||
for ( let j = 0; j < addedNodes.length && skip; j++ ) {
|
||
if ( addedNodes[j].nodeType === 1 ) { skip = false; break; }
|
||
}
|
||
for ( let j = 0; j < removedNodes.length && skip; j++ ) {
|
||
if ( removedNodes[j].nodeType === 1 ) { skip = false; break; }
|
||
}
|
||
}
|
||
if ( skip ) { return; }
|
||
asap ? rmattr() : rmattrAsync();
|
||
};
|
||
const start = ( ) => {
|
||
rmattr();
|
||
if ( /\bstay\b/.test(behavior) === false ) { return; }
|
||
const observer = new MutationObserver(mutationHandler);
|
||
observer.observe(document, {
|
||
attributes: true,
|
||
attributeFilter: tokens,
|
||
childList: true,
|
||
subtree: true,
|
||
});
|
||
};
|
||
runAt(( ) => { start(); }, behavior.split(/\s+/));
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'remove-class.js',
|
||
aliases: [
|
||
'rc.js',
|
||
],
|
||
fn: removeClass,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function removeClass(
|
||
rawToken = '',
|
||
rawSelector = '',
|
||
behavior = ''
|
||
) {
|
||
if ( typeof rawToken !== 'string' ) { return; }
|
||
if ( rawToken === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('remove-class', rawToken, rawSelector, behavior);
|
||
const tokens = rawToken.split(/\s*\|\s*/);
|
||
const selector = tokens
|
||
.map(a => `${rawSelector}.${CSS.escape(a)}`)
|
||
.join(',');
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Target selector:\n\t${selector}`);
|
||
}
|
||
const mustStay = /\bstay\b/.test(behavior);
|
||
let timer;
|
||
const rmclass = ( ) => {
|
||
timer = undefined;
|
||
try {
|
||
const nodes = document.querySelectorAll(selector);
|
||
for ( const node of nodes ) {
|
||
node.classList.remove(...tokens);
|
||
safe.uboLog(logPrefix, 'Removed class(es)');
|
||
}
|
||
} catch(ex) {
|
||
}
|
||
if ( mustStay ) { return; }
|
||
if ( document.readyState !== 'complete' ) { return; }
|
||
observer.disconnect();
|
||
};
|
||
const mutationHandler = mutations => {
|
||
if ( timer !== undefined ) { return; }
|
||
let skip = true;
|
||
for ( let i = 0; i < mutations.length && skip; i++ ) {
|
||
const { type, addedNodes, removedNodes } = mutations[i];
|
||
if ( type === 'attributes' ) { skip = false; }
|
||
for ( let j = 0; j < addedNodes.length && skip; j++ ) {
|
||
if ( addedNodes[j].nodeType === 1 ) { skip = false; break; }
|
||
}
|
||
for ( let j = 0; j < removedNodes.length && skip; j++ ) {
|
||
if ( removedNodes[j].nodeType === 1 ) { skip = false; break; }
|
||
}
|
||
}
|
||
if ( skip ) { return; }
|
||
timer = safe.onIdle(rmclass, { timeout: 67 });
|
||
};
|
||
const observer = new MutationObserver(mutationHandler);
|
||
const start = ( ) => {
|
||
rmclass();
|
||
observer.observe(document, {
|
||
attributes: true,
|
||
attributeFilter: [ 'class' ],
|
||
childList: true,
|
||
subtree: true,
|
||
});
|
||
};
|
||
runAt(( ) => {
|
||
start();
|
||
}, /\bcomplete\b/.test(behavior) ? 'idle' : 'loading');
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'no-requestAnimationFrame-if.js',
|
||
aliases: [
|
||
'norafif.js',
|
||
'prevent-requestAnimationFrame.js',
|
||
],
|
||
fn: noRequestAnimationFrameIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noRequestAnimationFrameIf(
|
||
needle = ''
|
||
) {
|
||
if ( typeof needle !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const needleNot = needle.charAt(0) === '!';
|
||
if ( needleNot ) { needle = needle.slice(1); }
|
||
const log = needleNot === false && needle === '' ? console.log : undefined;
|
||
const reNeedle = safe.patternToRegex(needle);
|
||
window.requestAnimationFrame = new Proxy(window.requestAnimationFrame, {
|
||
apply: function(target, thisArg, args) {
|
||
const a = args[0] instanceof Function
|
||
? String(safe.Function_toString(args[0]))
|
||
: String(args[0]);
|
||
let defuse = false;
|
||
if ( log !== undefined ) {
|
||
log('uBO: requestAnimationFrame("%s")', a);
|
||
} else {
|
||
defuse = reNeedle.test(a) !== needleNot;
|
||
}
|
||
if ( defuse ) {
|
||
args[0] = function(){};
|
||
}
|
||
return target.apply(thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-constant.js',
|
||
aliases: [
|
||
'set.js',
|
||
],
|
||
fn: setConstant,
|
||
dependencies: [
|
||
'set-constant.fn'
|
||
],
|
||
});
|
||
function setConstant(
|
||
...args
|
||
) {
|
||
setConstantFn(false, ...args);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'no-setInterval-if.js',
|
||
aliases: [
|
||
'nosiif.js',
|
||
'prevent-setInterval.js',
|
||
'setInterval-defuser.js',
|
||
],
|
||
fn: noSetIntervalIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noSetIntervalIf(
|
||
needle = '',
|
||
delay = ''
|
||
) {
|
||
if ( typeof needle !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('prevent-setInterval', needle, delay);
|
||
const needleNot = needle.charAt(0) === '!';
|
||
if ( needleNot ) { needle = needle.slice(1); }
|
||
if ( delay === '' ) { delay = undefined; }
|
||
let delayNot = false;
|
||
if ( delay !== undefined ) {
|
||
delayNot = delay.charAt(0) === '!';
|
||
if ( delayNot ) { delay = delay.slice(1); }
|
||
delay = parseInt(delay, 10);
|
||
}
|
||
const reNeedle = safe.patternToRegex(needle);
|
||
self.setInterval = new Proxy(self.setInterval, {
|
||
apply: function(target, thisArg, args) {
|
||
const a = args[0] instanceof Function
|
||
? String(safe.Function_toString(args[0]))
|
||
: String(args[0]);
|
||
const b = args[1];
|
||
if ( needle === '' && delay === undefined ) {
|
||
safe.uboLog(logPrefix, `Called:\n${a}\n${b}`);
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
let defuse;
|
||
if ( needle !== '' ) {
|
||
defuse = reNeedle.test(a) !== needleNot;
|
||
}
|
||
if ( defuse !== false && delay !== undefined ) {
|
||
defuse = (b === delay || isNaN(b) && isNaN(delay) ) !== delayNot;
|
||
}
|
||
if ( defuse ) {
|
||
args[0] = function(){};
|
||
safe.uboLog(logPrefix, `Prevented:\n${a}\n${b}`);
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'no-setTimeout-if.js',
|
||
aliases: [
|
||
'nostif.js',
|
||
'prevent-setTimeout.js',
|
||
'setTimeout-defuser.js',
|
||
],
|
||
fn: noSetTimeoutIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noSetTimeoutIf(
|
||
needle = '',
|
||
delay = ''
|
||
) {
|
||
if ( typeof needle !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('prevent-setTimeout', needle, delay);
|
||
const needleNot = needle.charAt(0) === '!';
|
||
if ( needleNot ) { needle = needle.slice(1); }
|
||
if ( delay === '' ) { delay = undefined; }
|
||
let delayNot = false;
|
||
if ( delay !== undefined ) {
|
||
delayNot = delay.charAt(0) === '!';
|
||
if ( delayNot ) { delay = delay.slice(1); }
|
||
delay = parseInt(delay, 10);
|
||
}
|
||
const reNeedle = safe.patternToRegex(needle);
|
||
self.setTimeout = new Proxy(self.setTimeout, {
|
||
apply: function(target, thisArg, args) {
|
||
const a = args[0] instanceof Function
|
||
? String(safe.Function_toString(args[0]))
|
||
: String(args[0]);
|
||
const b = args[1];
|
||
if ( needle === '' && delay === undefined ) {
|
||
safe.uboLog(logPrefix, `Called:\n${a}\n${b}`);
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
let defuse;
|
||
if ( needle !== '' ) {
|
||
defuse = reNeedle.test(a) !== needleNot;
|
||
}
|
||
if ( defuse !== false && delay !== undefined ) {
|
||
defuse = (b === delay || isNaN(b) && isNaN(delay) ) !== delayNot;
|
||
}
|
||
if ( defuse ) {
|
||
args[0] = function(){};
|
||
safe.uboLog(logPrefix, `Prevented:\n${a}\n${b}`);
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'webrtc-if.js',
|
||
fn: webrtcIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function webrtcIf(
|
||
good = ''
|
||
) {
|
||
if ( typeof good !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const reGood = safe.patternToRegex(good);
|
||
const rtcName = window.RTCPeerConnection
|
||
? 'RTCPeerConnection'
|
||
: (window.webkitRTCPeerConnection ? 'webkitRTCPeerConnection' : '');
|
||
if ( rtcName === '' ) { return; }
|
||
const log = console.log.bind(console);
|
||
const neuteredPeerConnections = new WeakSet();
|
||
const isGoodConfig = function(instance, config) {
|
||
if ( neuteredPeerConnections.has(instance) ) { return false; }
|
||
if ( config instanceof Object === false ) { return true; }
|
||
if ( Array.isArray(config.iceServers) === false ) { return true; }
|
||
for ( const server of config.iceServers ) {
|
||
const urls = typeof server.urls === 'string'
|
||
? [ server.urls ]
|
||
: server.urls;
|
||
if ( Array.isArray(urls) ) {
|
||
for ( const url of urls ) {
|
||
if ( reGood.test(url) ) { return true; }
|
||
}
|
||
}
|
||
if ( typeof server.username === 'string' ) {
|
||
if ( reGood.test(server.username) ) { return true; }
|
||
}
|
||
if ( typeof server.credential === 'string' ) {
|
||
if ( reGood.test(server.credential) ) { return true; }
|
||
}
|
||
}
|
||
neuteredPeerConnections.add(instance);
|
||
return false;
|
||
};
|
||
const peerConnectionCtor = window[rtcName];
|
||
const peerConnectionProto = peerConnectionCtor.prototype;
|
||
peerConnectionProto.createDataChannel =
|
||
new Proxy(peerConnectionProto.createDataChannel, {
|
||
apply: function(target, thisArg, args) {
|
||
if ( isGoodConfig(target, args[1]) === false ) {
|
||
log('uBO:', args[1]);
|
||
return Reflect.apply(target, thisArg, args.slice(0, 1));
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
},
|
||
});
|
||
window[rtcName] =
|
||
new Proxy(peerConnectionCtor, {
|
||
construct: function(target, args) {
|
||
if ( isGoodConfig(target, args[0]) === false ) {
|
||
log('uBO:', args[0]);
|
||
return Reflect.construct(target);
|
||
}
|
||
return Reflect.construct(target, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'no-xhr-if.js',
|
||
aliases: [
|
||
'prevent-xhr.js',
|
||
],
|
||
fn: noXhrIf,
|
||
dependencies: [
|
||
'generate-content.fn',
|
||
'match-object-properties.fn',
|
||
'parse-properties-to-match.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noXhrIf(
|
||
propsToMatch = '',
|
||
directive = ''
|
||
) {
|
||
if ( typeof propsToMatch !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('prevent-xhr', propsToMatch, directive);
|
||
const xhrInstances = new WeakMap();
|
||
const propNeedles = parsePropertiesToMatch(propsToMatch, 'url');
|
||
const warOrigin = scriptletGlobals.warOrigin;
|
||
const headers = {
|
||
'date': '',
|
||
'content-type': '',
|
||
'content-length': '',
|
||
};
|
||
self.XMLHttpRequest = class extends self.XMLHttpRequest {
|
||
open(method, url, ...args) {
|
||
xhrInstances.delete(this);
|
||
if ( warOrigin !== undefined && url.startsWith(warOrigin) ) {
|
||
return super.open(method, url, ...args);
|
||
}
|
||
const haystack = { method, url };
|
||
if ( propsToMatch === '' && directive === '' ) {
|
||
safe.uboLog(logPrefix, `Called: ${safe.JSON_stringify(haystack, null, 2)}`);
|
||
return super.open(method, url, ...args);
|
||
}
|
||
if ( matchObjectProperties(propNeedles, haystack) ) {
|
||
xhrInstances.set(this, haystack);
|
||
}
|
||
haystack.headers = Object.assign({}, headers);
|
||
return super.open(method, url, ...args);
|
||
}
|
||
send(...args) {
|
||
const haystack = xhrInstances.get(this);
|
||
if ( haystack === undefined ) {
|
||
return super.send(...args);
|
||
}
|
||
haystack.headers['date'] = (new Date()).toUTCString();
|
||
let promise = Promise.resolve({
|
||
xhr: this,
|
||
directive,
|
||
props: {
|
||
readyState: { value: 4 },
|
||
response: { value: '' },
|
||
responseText: { value: '' },
|
||
responseXML: { value: null },
|
||
responseURL: { value: haystack.url },
|
||
status: { value: 200 },
|
||
statusText: { value: 'OK' },
|
||
},
|
||
});
|
||
switch ( this.responseType ) {
|
||
case 'arraybuffer':
|
||
promise = promise.then(details => {
|
||
details.props.response.value = new ArrayBuffer(0);
|
||
return details;
|
||
});
|
||
haystack.headers['content-type'] = 'application/octet-stream';
|
||
break;
|
||
case 'blob':
|
||
promise = promise.then(details => {
|
||
details.props.response.value = new Blob([]);
|
||
return details;
|
||
});
|
||
haystack.headers['content-type'] = 'application/octet-stream';
|
||
break;
|
||
case 'document': {
|
||
promise = promise.then(details => {
|
||
const parser = new DOMParser();
|
||
const doc = parser.parseFromString('', 'text/html');
|
||
details.props.response.value = doc;
|
||
details.props.responseXML.value = doc;
|
||
return details;
|
||
});
|
||
haystack.headers['content-type'] = 'text/html';
|
||
break;
|
||
}
|
||
case 'json':
|
||
promise = promise.then(details => {
|
||
details.props.response.value = {};
|
||
details.props.responseText.value = '{}';
|
||
return details;
|
||
});
|
||
haystack.headers['content-type'] = 'application/json';
|
||
break;
|
||
default:
|
||
if ( directive === '' ) { break; }
|
||
promise = promise.then(details => {
|
||
return generateContentFn(details.directive).then(text => {
|
||
details.props.response.value = text;
|
||
details.props.responseText.value = text;
|
||
return details;
|
||
});
|
||
});
|
||
haystack.headers['content-type'] = 'text/plain';
|
||
break;
|
||
}
|
||
promise.then(details => {
|
||
haystack.headers['content-length'] = `${details.props.response.value}`.length;
|
||
Object.defineProperties(details.xhr, details.props);
|
||
details.xhr.dispatchEvent(new Event('readystatechange'));
|
||
details.xhr.dispatchEvent(new Event('load'));
|
||
details.xhr.dispatchEvent(new Event('loadend'));
|
||
safe.uboLog(logPrefix, `Prevented with response:\n${details.xhr.response}`);
|
||
});
|
||
}
|
||
getResponseHeader(headerName) {
|
||
const haystack = xhrInstances.get(this);
|
||
if ( haystack === undefined || this.readyState < this.HEADERS_RECEIVED ) {
|
||
return super.getResponseHeader(headerName);
|
||
}
|
||
const value = haystack.headers[headerName.toLowerCase()];
|
||
if ( value !== undefined && value !== '' ) { return value; }
|
||
return null;
|
||
}
|
||
getAllResponseHeaders() {
|
||
const haystack = xhrInstances.get(this);
|
||
if ( haystack === undefined || this.readyState < this.HEADERS_RECEIVED ) {
|
||
return super.getAllResponseHeaders();
|
||
}
|
||
const out = [];
|
||
for ( const [ name, value ] of Object.entries(haystack.headers) ) {
|
||
if ( !value ) { continue; }
|
||
out.push(`${name}: ${value}`);
|
||
}
|
||
if ( out.length !== 0 ) { out.push(''); }
|
||
return out.join('\r\n');
|
||
}
|
||
};
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'no-window-open-if.js',
|
||
aliases: [
|
||
'nowoif.js',
|
||
'prevent-window-open.js',
|
||
'window.open-defuser.js',
|
||
],
|
||
fn: noWindowOpenIf,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function noWindowOpenIf(
|
||
pattern = '',
|
||
delay = '',
|
||
decoy = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('no-window-open-if', pattern, delay, decoy);
|
||
const targetMatchResult = pattern.startsWith('!') === false;
|
||
if ( targetMatchResult === false ) {
|
||
pattern = pattern.slice(1);
|
||
}
|
||
const rePattern = safe.patternToRegex(pattern);
|
||
let autoRemoveAfter = parseInt(delay);
|
||
if ( isNaN(autoRemoveAfter) ) {
|
||
autoRemoveAfter = -1;
|
||
}
|
||
const createDecoy = function(tag, urlProp, url) {
|
||
const decoyElem = document.createElement(tag);
|
||
decoyElem[urlProp] = url;
|
||
decoyElem.style.setProperty('height','1px', 'important');
|
||
decoyElem.style.setProperty('position','fixed', 'important');
|
||
decoyElem.style.setProperty('top','-1px', 'important');
|
||
decoyElem.style.setProperty('width','1px', 'important');
|
||
document.body.appendChild(decoyElem);
|
||
setTimeout(( ) => { decoyElem.remove(); }, autoRemoveAfter * 1000);
|
||
return decoyElem;
|
||
};
|
||
window.open = new Proxy(window.open, {
|
||
apply: function(target, thisArg, args) {
|
||
const haystack = args.join(' ');
|
||
if ( rePattern.test(haystack) !== targetMatchResult ) {
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Allowed (${args.join(', ')})`);
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
safe.uboLog(logPrefix, `Prevented (${args.join(', ')})`);
|
||
if ( autoRemoveAfter < 0 ) { return null; }
|
||
const decoyElem = decoy === 'obj'
|
||
? createDecoy('object', 'data', ...args)
|
||
: createDecoy('iframe', 'src', ...args);
|
||
let popup = decoyElem.contentWindow;
|
||
if ( typeof popup === 'object' && popup !== null ) {
|
||
Object.defineProperty(popup, 'closed', { value: false });
|
||
} else {
|
||
const noopFunc = (function(){}).bind(self);
|
||
popup = new Proxy(self, {
|
||
get: function(target, prop) {
|
||
if ( prop === 'closed' ) { return false; }
|
||
const r = Reflect.get(...arguments);
|
||
if ( typeof r === 'function' ) { return noopFunc; }
|
||
return target[prop];
|
||
},
|
||
set: function() {
|
||
return Reflect.set(...arguments);
|
||
},
|
||
});
|
||
}
|
||
if ( safe.logLevel !== 0 ) {
|
||
popup = new Proxy(popup, {
|
||
get: function(target, prop) {
|
||
safe.uboLog(logPrefix, 'window.open / get', prop, '===', target[prop]);
|
||
return Reflect.get(...arguments);
|
||
},
|
||
set: function(target, prop, value) {
|
||
safe.uboLog(logPrefix, 'window.open / set', prop, '=', value);
|
||
return Reflect.set(...arguments);
|
||
},
|
||
});
|
||
}
|
||
return popup;
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'close-window.js',
|
||
aliases: [
|
||
'window-close-if.js',
|
||
],
|
||
fn: closeWindow,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// https://github.com/uBlockOrigin/uAssets/issues/10323#issuecomment-992312847
|
||
// https://github.com/AdguardTeam/Scriptlets/issues/158
|
||
// https://github.com/uBlockOrigin/uBlock-issues/discussions/2270
|
||
function closeWindow(
|
||
arg1 = ''
|
||
) {
|
||
if ( typeof arg1 !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
let subject = '';
|
||
if ( /^\/.*\/$/.test(arg1) ) {
|
||
subject = window.location.href;
|
||
} else if ( arg1 !== '' ) {
|
||
subject = `${window.location.pathname}${window.location.search}`;
|
||
}
|
||
try {
|
||
const re = safe.patternToRegex(arg1);
|
||
if ( re.test(subject) ) {
|
||
window.close();
|
||
}
|
||
} catch(ex) {
|
||
console.log(ex);
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'window.name-defuser.js',
|
||
fn: windowNameDefuser,
|
||
});
|
||
// https://github.com/gorhill/uBlock/issues/1228
|
||
function windowNameDefuser() {
|
||
if ( window === window.top ) {
|
||
window.name = '';
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'overlay-buster.js',
|
||
fn: overlayBuster,
|
||
});
|
||
// Experimental: Generic nuisance overlay buster.
|
||
// if this works well and proves to be useful, this may end up
|
||
// as a stock tool in uBO's popup panel.
|
||
function overlayBuster() {
|
||
if ( window !== window.top ) { return; }
|
||
var tstart;
|
||
var ttl = 30000;
|
||
var delay = 0;
|
||
var delayStep = 50;
|
||
var buster = function() {
|
||
var docEl = document.documentElement,
|
||
bodyEl = document.body,
|
||
vw = Math.min(docEl.clientWidth, window.innerWidth),
|
||
vh = Math.min(docEl.clientHeight, window.innerHeight),
|
||
tol = Math.min(vw, vh) * 0.05,
|
||
el = document.elementFromPoint(vw/2, vh/2),
|
||
style, rect;
|
||
for (;;) {
|
||
if ( el === null || el.parentNode === null || el === bodyEl ) {
|
||
break;
|
||
}
|
||
style = window.getComputedStyle(el);
|
||
if ( parseInt(style.zIndex, 10) >= 1000 || style.position === 'fixed' ) {
|
||
rect = el.getBoundingClientRect();
|
||
if ( rect.left <= tol && rect.top <= tol && (vw - rect.right) <= tol && (vh - rect.bottom) < tol ) {
|
||
el.parentNode.removeChild(el);
|
||
tstart = Date.now();
|
||
el = document.elementFromPoint(vw/2, vh/2);
|
||
bodyEl.style.setProperty('overflow', 'auto', 'important');
|
||
docEl.style.setProperty('overflow', 'auto', 'important');
|
||
continue;
|
||
}
|
||
}
|
||
el = el.parentNode;
|
||
}
|
||
if ( (Date.now() - tstart) < ttl ) {
|
||
delay = Math.min(delay + delayStep, 1000);
|
||
setTimeout(buster, delay);
|
||
}
|
||
};
|
||
var domReady = function(ev) {
|
||
if ( ev ) {
|
||
document.removeEventListener(ev.type, domReady);
|
||
}
|
||
tstart = Date.now();
|
||
setTimeout(buster, delay);
|
||
};
|
||
if ( document.readyState === 'loading' ) {
|
||
document.addEventListener('DOMContentLoaded', domReady);
|
||
} else {
|
||
domReady();
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'alert-buster.js',
|
||
fn: alertBuster,
|
||
});
|
||
// https://github.com/uBlockOrigin/uAssets/issues/8
|
||
function alertBuster() {
|
||
window.alert = new Proxy(window.alert, {
|
||
apply: function(a) {
|
||
console.info(a);
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'nowebrtc.js',
|
||
fn: noWebrtc,
|
||
});
|
||
// Prevent web pages from using RTCPeerConnection(), and report attempts in console.
|
||
function noWebrtc() {
|
||
var rtcName = window.RTCPeerConnection ? 'RTCPeerConnection' : (
|
||
window.webkitRTCPeerConnection ? 'webkitRTCPeerConnection' : ''
|
||
);
|
||
if ( rtcName === '' ) { return; }
|
||
var log = console.log.bind(console);
|
||
var pc = function(cfg) {
|
||
log('Document tried to create an RTCPeerConnection: %o', cfg);
|
||
};
|
||
const noop = function() {
|
||
};
|
||
pc.prototype = {
|
||
close: noop,
|
||
createDataChannel: noop,
|
||
createOffer: noop,
|
||
setRemoteDescription: noop,
|
||
toString: function() {
|
||
return '[object RTCPeerConnection]';
|
||
}
|
||
};
|
||
var z = window[rtcName];
|
||
window[rtcName] = pc.bind(window);
|
||
if ( z.prototype ) {
|
||
z.prototype.createDataChannel = function() {
|
||
return {
|
||
close: function() {},
|
||
send: function() {}
|
||
};
|
||
}.bind(null);
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'disable-newtab-links.js',
|
||
fn: disableNewtabLinks,
|
||
});
|
||
// https://github.com/uBlockOrigin/uAssets/issues/913
|
||
function disableNewtabLinks() {
|
||
document.addEventListener('click', function(ev) {
|
||
var target = ev.target;
|
||
while ( target !== null ) {
|
||
if ( target.localName === 'a' && target.hasAttribute('target') ) {
|
||
ev.stopPropagation();
|
||
ev.preventDefault();
|
||
break;
|
||
}
|
||
target = target.parentNode;
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'remove-cookie.js',
|
||
aliases: [
|
||
'cookie-remover.js',
|
||
],
|
||
fn: cookieRemover,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// https://github.com/NanoAdblocker/NanoFilters/issues/149
|
||
function cookieRemover(
|
||
needle = ''
|
||
) {
|
||
if ( typeof needle !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const reName = safe.patternToRegex(needle);
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 1);
|
||
const throttle = (fn, ms = 500) => {
|
||
if ( throttle.timer !== undefined ) { return; }
|
||
throttle.timer = setTimeout(( ) => {
|
||
throttle.timer = undefined;
|
||
fn();
|
||
}, ms);
|
||
};
|
||
const removeCookie = ( ) => {
|
||
document.cookie.split(';').forEach(cookieStr => {
|
||
const pos = cookieStr.indexOf('=');
|
||
if ( pos === -1 ) { return; }
|
||
const cookieName = cookieStr.slice(0, pos).trim();
|
||
if ( reName.test(cookieName) === false ) { return; }
|
||
const part1 = cookieName + '=';
|
||
const part2a = '; domain=' + document.location.hostname;
|
||
const part2b = '; domain=.' + document.location.hostname;
|
||
let part2c, part2d;
|
||
const domain = document.domain;
|
||
if ( domain ) {
|
||
if ( domain !== document.location.hostname ) {
|
||
part2c = '; domain=.' + domain;
|
||
}
|
||
if ( domain.startsWith('www.') ) {
|
||
part2d = '; domain=' + domain.replace('www', '');
|
||
}
|
||
}
|
||
const part3 = '; path=/';
|
||
const part4 = '; Max-Age=-1000; expires=Thu, 01 Jan 1970 00:00:00 GMT';
|
||
document.cookie = part1 + part4;
|
||
document.cookie = part1 + part2a + part4;
|
||
document.cookie = part1 + part2b + part4;
|
||
document.cookie = part1 + part3 + part4;
|
||
document.cookie = part1 + part2a + part3 + part4;
|
||
document.cookie = part1 + part2b + part3 + part4;
|
||
if ( part2c !== undefined ) {
|
||
document.cookie = part1 + part2c + part3 + part4;
|
||
}
|
||
if ( part2d !== undefined ) {
|
||
document.cookie = part1 + part2d + part3 + part4;
|
||
}
|
||
});
|
||
};
|
||
removeCookie();
|
||
window.addEventListener('beforeunload', removeCookie);
|
||
if ( typeof extraArgs.when !== 'string' ) { return; }
|
||
const supportedEventTypes = [ 'scroll', 'keydown' ];
|
||
const eventTypes = extraArgs.when.split(/\s/);
|
||
for ( const type of eventTypes ) {
|
||
if ( supportedEventTypes.includes(type) === false ) { continue; }
|
||
document.addEventListener(type, ( ) => {
|
||
throttle(removeCookie);
|
||
}, { passive: true });
|
||
}
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'xml-prune.js',
|
||
fn: xmlPrune,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function xmlPrune(
|
||
selector = '',
|
||
selectorCheck = '',
|
||
urlPattern = ''
|
||
) {
|
||
if ( typeof selector !== 'string' ) { return; }
|
||
if ( selector === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('xml-prune', selector, selectorCheck, urlPattern);
|
||
const reUrl = safe.patternToRegex(urlPattern);
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
const queryAll = (xmlDoc, selector) => {
|
||
const isXpath = /^xpath\(.+\)$/.test(selector);
|
||
if ( isXpath === false ) {
|
||
return Array.from(xmlDoc.querySelectorAll(selector));
|
||
}
|
||
const xpr = xmlDoc.evaluate(
|
||
selector.slice(6, -1),
|
||
xmlDoc,
|
||
null,
|
||
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
|
||
null
|
||
);
|
||
const out = [];
|
||
for ( let i = 0; i < xpr.snapshotLength; i++ ) {
|
||
const node = xpr.snapshotItem(i);
|
||
out.push(node);
|
||
}
|
||
return out;
|
||
};
|
||
const pruneFromDoc = xmlDoc => {
|
||
try {
|
||
if ( selectorCheck !== '' && xmlDoc.querySelector(selectorCheck) === null ) {
|
||
return xmlDoc;
|
||
}
|
||
if ( extraArgs.logdoc ) {
|
||
const serializer = new XMLSerializer();
|
||
safe.uboLog(logPrefix, `Document is\n\t${serializer.serializeToString(xmlDoc)}`);
|
||
}
|
||
const items = queryAll(xmlDoc, selector);
|
||
if ( items.length === 0 ) { return xmlDoc; }
|
||
safe.uboLog(logPrefix, `Removing ${items.length} items`);
|
||
for ( const item of items ) {
|
||
if ( item.nodeType === 1 ) {
|
||
item.remove();
|
||
} else if ( item.nodeType === 2 ) {
|
||
item.ownerElement.removeAttribute(item.nodeName);
|
||
}
|
||
safe.uboLog(logPrefix, `${item.constructor.name}.${item.nodeName} removed`);
|
||
}
|
||
} catch(ex) {
|
||
safe.uboErr(logPrefix, `Error: ${ex}`);
|
||
}
|
||
return xmlDoc;
|
||
};
|
||
const pruneFromText = text => {
|
||
if ( (/^\s*</.test(text) && />\s*$/.test(text)) === false ) {
|
||
return text;
|
||
}
|
||
try {
|
||
const xmlParser = new DOMParser();
|
||
const xmlDoc = xmlParser.parseFromString(text, 'text/xml');
|
||
pruneFromDoc(xmlDoc);
|
||
const serializer = new XMLSerializer();
|
||
text = serializer.serializeToString(xmlDoc);
|
||
} catch(ex) {
|
||
}
|
||
return text;
|
||
};
|
||
const urlFromArg = arg => {
|
||
if ( typeof arg === 'string' ) { return arg; }
|
||
if ( arg instanceof Request ) { return arg.url; }
|
||
return String(arg);
|
||
};
|
||
self.fetch = new Proxy(self.fetch, {
|
||
apply: function(target, thisArg, args) {
|
||
const fetchPromise = Reflect.apply(target, thisArg, args);
|
||
if ( reUrl.test(urlFromArg(args[0])) === false ) {
|
||
return fetchPromise;
|
||
}
|
||
return fetchPromise.then(responseBefore => {
|
||
const response = responseBefore.clone();
|
||
return response.text().then(text => {
|
||
const responseAfter = new Response(pruneFromText(text), {
|
||
status: responseBefore.status,
|
||
statusText: responseBefore.statusText,
|
||
headers: responseBefore.headers,
|
||
});
|
||
Object.defineProperties(responseAfter, {
|
||
ok: { value: responseBefore.ok },
|
||
redirected: { value: responseBefore.redirected },
|
||
type: { value: responseBefore.type },
|
||
url: { value: responseBefore.url },
|
||
});
|
||
return responseAfter;
|
||
}).catch(( ) =>
|
||
responseBefore
|
||
);
|
||
});
|
||
}
|
||
});
|
||
self.XMLHttpRequest.prototype.open = new Proxy(self.XMLHttpRequest.prototype.open, {
|
||
apply: async (target, thisArg, args) => {
|
||
if ( reUrl.test(urlFromArg(args[1])) === false ) {
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
thisArg.addEventListener('readystatechange', function() {
|
||
if ( thisArg.readyState !== 4 ) { return; }
|
||
const type = thisArg.responseType;
|
||
if (
|
||
type === 'document' ||
|
||
type === '' && thisArg.responseXML instanceof XMLDocument
|
||
) {
|
||
pruneFromDoc(thisArg.responseXML);
|
||
const serializer = new XMLSerializer();
|
||
const textout = serializer.serializeToString(thisArg.responseXML);
|
||
Object.defineProperty(thisArg, 'responseText', { value: textout });
|
||
return;
|
||
}
|
||
if (
|
||
type === 'text' ||
|
||
type === '' && typeof thisArg.responseText === 'string'
|
||
) {
|
||
const textin = thisArg.responseText;
|
||
const textout = pruneFromText(textin);
|
||
if ( textout === textin ) { return; }
|
||
Object.defineProperty(thisArg, 'response', { value: textout });
|
||
Object.defineProperty(thisArg, 'responseText', { value: textout });
|
||
return;
|
||
}
|
||
});
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'm3u-prune.js',
|
||
fn: m3uPrune,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
// https://en.wikipedia.org/wiki/M3U
|
||
function m3uPrune(
|
||
m3uPattern = '',
|
||
urlPattern = ''
|
||
) {
|
||
if ( typeof m3uPattern !== 'string' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('m3u-prune', m3uPattern, urlPattern);
|
||
const toLog = [];
|
||
const regexFromArg = arg => {
|
||
if ( arg === '' ) { return /^/; }
|
||
const match = /^\/(.+)\/([gms]*)$/.exec(arg);
|
||
if ( match !== null ) {
|
||
let flags = match[2] || '';
|
||
if ( flags.includes('m') ) { flags += 's'; }
|
||
return new RegExp(match[1], flags);
|
||
}
|
||
return new RegExp(
|
||
arg.replace(/[.+?^${}()|[\]\\]/g, '\\$&').replace(/\*+/g, '.*?')
|
||
);
|
||
};
|
||
const reM3u = regexFromArg(m3uPattern);
|
||
const reUrl = regexFromArg(urlPattern);
|
||
const pruneSpliceoutBlock = (lines, i) => {
|
||
if ( lines[i].startsWith('#EXT-X-CUE:TYPE="SpliceOut"') === false ) {
|
||
return false;
|
||
}
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
if ( lines[i].startsWith('#EXT-X-ASSET:CAID') ) {
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
}
|
||
if ( lines[i].startsWith('#EXT-X-SCTE35:') ) {
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
}
|
||
if ( lines[i].startsWith('#EXT-X-CUE-IN') ) {
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
}
|
||
if ( lines[i].startsWith('#EXT-X-SCTE35:') ) {
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
}
|
||
return true;
|
||
};
|
||
const pruneInfBlock = (lines, i) => {
|
||
if ( lines[i].startsWith('#EXTINF') === false ) { return false; }
|
||
if ( reM3u.test(lines[i+1]) === false ) { return false; }
|
||
toLog.push('Discarding', `\t${lines[i]}, \t${lines[i+1]}`);
|
||
lines[i] = lines[i+1] = undefined; i += 2;
|
||
if ( lines[i].startsWith('#EXT-X-DISCONTINUITY') ) {
|
||
toLog.push(`\t${lines[i]}`);
|
||
lines[i] = undefined; i += 1;
|
||
}
|
||
return true;
|
||
};
|
||
const pruner = text => {
|
||
if ( (/^\s*#EXTM3U/.test(text)) === false ) { return text; }
|
||
if ( m3uPattern === '' ) {
|
||
safe.uboLog(` Content:\n${text}`);
|
||
return text;
|
||
}
|
||
if ( reM3u.multiline ) {
|
||
reM3u.lastIndex = 0;
|
||
for (;;) {
|
||
const match = reM3u.exec(text);
|
||
if ( match === null ) { break; }
|
||
let discard = match[0];
|
||
let before = text.slice(0, match.index);
|
||
if (
|
||
/^[\n\r]+/.test(discard) === false &&
|
||
/[\n\r]+$/.test(before) === false
|
||
) {
|
||
const startOfLine = /[^\n\r]+$/.exec(before);
|
||
if ( startOfLine !== null ) {
|
||
before = before.slice(0, startOfLine.index);
|
||
discard = startOfLine[0] + discard;
|
||
}
|
||
}
|
||
let after = text.slice(match.index + match[0].length);
|
||
if (
|
||
/[\n\r]+$/.test(discard) === false &&
|
||
/^[\n\r]+/.test(after) === false
|
||
) {
|
||
const endOfLine = /^[^\n\r]+/.exec(after);
|
||
if ( endOfLine !== null ) {
|
||
after = after.slice(endOfLine.index);
|
||
discard += discard + endOfLine[0];
|
||
}
|
||
}
|
||
text = before.trim() + '\n' + after.trim();
|
||
reM3u.lastIndex = before.length + 1;
|
||
toLog.push('Discarding', ...discard.split(/\n+/).map(s => `\t${s}`));
|
||
if ( reM3u.global === false ) { break; }
|
||
}
|
||
return text;
|
||
}
|
||
const lines = text.split(/\n\r|\n|\r/);
|
||
for ( let i = 0; i < lines.length; i++ ) {
|
||
if ( lines[i] === undefined ) { continue; }
|
||
if ( pruneSpliceoutBlock(lines, i) ) { continue; }
|
||
if ( pruneInfBlock(lines, i) ) { continue; }
|
||
}
|
||
return lines.filter(l => l !== undefined).join('\n');
|
||
};
|
||
const urlFromArg = arg => {
|
||
if ( typeof arg === 'string' ) { return arg; }
|
||
if ( arg instanceof Request ) { return arg.url; }
|
||
return String(arg);
|
||
};
|
||
const realFetch = self.fetch;
|
||
self.fetch = new Proxy(self.fetch, {
|
||
apply: function(target, thisArg, args) {
|
||
if ( reUrl.test(urlFromArg(args[0])) === false ) {
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
return realFetch(...args).then(realResponse =>
|
||
realResponse.text().then(text => {
|
||
const response = new Response(pruner(text), {
|
||
status: realResponse.status,
|
||
statusText: realResponse.statusText,
|
||
headers: realResponse.headers,
|
||
});
|
||
if ( toLog.length !== 0 ) {
|
||
toLog.unshift(logPrefix);
|
||
safe.uboLog(toLog.join('\n'));
|
||
}
|
||
return response;
|
||
})
|
||
);
|
||
}
|
||
});
|
||
self.XMLHttpRequest.prototype.open = new Proxy(self.XMLHttpRequest.prototype.open, {
|
||
apply: async (target, thisArg, args) => {
|
||
if ( reUrl.test(urlFromArg(args[1])) === false ) {
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
thisArg.addEventListener('readystatechange', function() {
|
||
if ( thisArg.readyState !== 4 ) { return; }
|
||
const type = thisArg.responseType;
|
||
if ( type !== '' && type !== 'text' ) { return; }
|
||
const textin = thisArg.responseText;
|
||
const textout = pruner(textin);
|
||
if ( textout === textin ) { return; }
|
||
Object.defineProperty(thisArg, 'response', { value: textout });
|
||
Object.defineProperty(thisArg, 'responseText', { value: textout });
|
||
if ( toLog.length !== 0 ) {
|
||
toLog.unshift(logPrefix);
|
||
safe.uboLog(toLog.join('\n'));
|
||
}
|
||
});
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* @scriptlet href-sanitizer
|
||
*
|
||
* @description
|
||
* Set the `href` attribute to a value found in the DOM at, or below the
|
||
* targeted `a` element.
|
||
*
|
||
* ### Syntax
|
||
*
|
||
* ```text
|
||
* example.org##+js(href-sanitizer, selector [, source])
|
||
* ```
|
||
*
|
||
* - `selector`: required, CSS selector, specifies `a` elements for which the
|
||
* `href` attribute must be overridden.
|
||
* - `source`: optional, default to `text`, specifies from where to get the
|
||
* value which will override the `href` attribute.
|
||
* - `text`: the value will be the first valid URL found in the text
|
||
* content of the targeted `a` element.
|
||
* - `[attr]`: the value will be the attribute _attr_ of the targeted `a`
|
||
* element.
|
||
* - `?param`: the value will be the query parameter _param_ of the URL
|
||
* found in the `href` attribute of the targeted `a` element.
|
||
*
|
||
* ### Examples
|
||
*
|
||
* example.org##+js(href-sanitizer, a)
|
||
* example.org##+js(href-sanitizer, a[title], [title])
|
||
* example.org##+js(href-sanitizer, a[href*="/away.php?to="], ?to)
|
||
*
|
||
* */
|
||
|
||
builtinScriptlets.push({
|
||
name: 'href-sanitizer.js',
|
||
fn: hrefSanitizer,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function hrefSanitizer(
|
||
selector = '',
|
||
source = ''
|
||
) {
|
||
if ( typeof selector !== 'string' ) { return; }
|
||
if ( selector === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('href-sanitizer', selector, source);
|
||
if ( source === '' ) { source = 'text'; }
|
||
const sanitizeCopycats = (href, text) => {
|
||
let elems = [];
|
||
try {
|
||
elems = document.querySelectorAll(`a[href="${href}"`);
|
||
}
|
||
catch(ex) {
|
||
}
|
||
for ( const elem of elems ) {
|
||
elem.setAttribute('href', text);
|
||
}
|
||
return elems.length;
|
||
};
|
||
const validateURL = text => {
|
||
if ( text === '' ) { return ''; }
|
||
if ( /[\x00-\x20\x7f]/.test(text) ) { return ''; }
|
||
try {
|
||
const url = new URL(text, document.location);
|
||
return url.href;
|
||
} catch(ex) {
|
||
}
|
||
return '';
|
||
};
|
||
const extractParam = (href, source) => {
|
||
if ( Boolean(source) === false ) { return href; }
|
||
const recursive = source.includes('?', 1);
|
||
const end = recursive ? source.indexOf('?', 1) : source.length;
|
||
try {
|
||
const url = new URL(href, document.location);
|
||
const value = url.searchParams.get(source.slice(1, end));
|
||
if ( value === null ) { return href }
|
||
if ( recursive ) { return extractParam(value, source.slice(end)); }
|
||
return value;
|
||
} catch(x) {
|
||
}
|
||
return href;
|
||
};
|
||
const extractText = (elem, source) => {
|
||
if ( /^\[.*\]$/.test(source) ) {
|
||
return elem.getAttribute(source.slice(1,-1).trim()) || '';
|
||
}
|
||
if ( source.startsWith('?') ) {
|
||
return extractParam(elem.href, source);
|
||
}
|
||
if ( source === 'text' ) {
|
||
return elem.textContent
|
||
.replace(/^[^\x21-\x7e]+/, '') // remove leading invalid characters
|
||
.replace(/[^\x21-\x7e]+$/, '') // remove trailing invalid characters
|
||
;
|
||
}
|
||
return '';
|
||
};
|
||
const sanitize = ( ) => {
|
||
let elems = [];
|
||
try {
|
||
elems = document.querySelectorAll(selector);
|
||
}
|
||
catch(ex) {
|
||
return false;
|
||
}
|
||
for ( const elem of elems ) {
|
||
if ( elem.localName !== 'a' ) { continue; }
|
||
if ( elem.hasAttribute('href') === false ) { continue; }
|
||
const href = elem.getAttribute('href');
|
||
const text = extractText(elem, source);
|
||
const hrefAfter = validateURL(text);
|
||
if ( hrefAfter === '' ) { continue; }
|
||
if ( hrefAfter === href ) { continue; }
|
||
elem.setAttribute('href', hrefAfter);
|
||
const count = sanitizeCopycats(href, hrefAfter);
|
||
safe.uboLog(logPrefix, `Sanitized ${count+1} links to\n${hrefAfter}`);
|
||
}
|
||
return true;
|
||
};
|
||
let observer, timer;
|
||
const onDomChanged = mutations => {
|
||
if ( timer !== undefined ) { return; }
|
||
let shouldSanitize = false;
|
||
for ( const mutation of mutations ) {
|
||
if ( mutation.addedNodes.length === 0 ) { continue; }
|
||
for ( const node of mutation.addedNodes ) {
|
||
if ( node.nodeType !== 1 ) { continue; }
|
||
shouldSanitize = true;
|
||
break;
|
||
}
|
||
if ( shouldSanitize ) { break; }
|
||
}
|
||
if ( shouldSanitize === false ) { return; }
|
||
timer = safe.onIdle(( ) => {
|
||
timer = undefined;
|
||
sanitize();
|
||
});
|
||
};
|
||
const start = ( ) => {
|
||
if ( sanitize() === false ) { return; }
|
||
observer = new MutationObserver(onDomChanged);
|
||
observer.observe(document.body, {
|
||
subtree: true,
|
||
childList: true,
|
||
});
|
||
};
|
||
runAt(( ) => { start(); }, 'interactive');
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* @scriptlet call-nothrow
|
||
*
|
||
* @description
|
||
* Prevent a function call from throwing. The function will be called, however
|
||
* should it throw, the scriptlet will silently process the exception and
|
||
* returns as if no exception has occurred.
|
||
*
|
||
* ### Syntax
|
||
*
|
||
* ```text
|
||
* example.org##+js(call-nothrow, propertyChain)
|
||
* ```
|
||
*
|
||
* - `propertyChain`: a chain of dot-separated properties which leads to the
|
||
* function to be trapped.
|
||
*
|
||
* ### Examples
|
||
*
|
||
* example.org##+js(call-nothrow, Object.defineProperty)
|
||
*
|
||
* */
|
||
|
||
builtinScriptlets.push({
|
||
name: 'call-nothrow.js',
|
||
fn: callNothrow,
|
||
});
|
||
function callNothrow(
|
||
chain = ''
|
||
) {
|
||
if ( typeof chain !== 'string' ) { return; }
|
||
if ( chain === '' ) { return; }
|
||
const parts = chain.split('.');
|
||
let owner = window, prop;
|
||
for (;;) {
|
||
prop = parts.shift();
|
||
if ( parts.length === 0 ) { break; }
|
||
owner = owner[prop];
|
||
if ( owner instanceof Object === false ) { return; }
|
||
}
|
||
if ( prop === '' ) { return; }
|
||
const fn = owner[prop];
|
||
if ( typeof fn !== 'function' ) { return; }
|
||
owner[prop] = new Proxy(fn, {
|
||
apply: function(...args) {
|
||
let r;
|
||
try {
|
||
r = Reflect.apply(...args);
|
||
} catch(ex) {
|
||
}
|
||
return r;
|
||
},
|
||
});
|
||
}
|
||
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'spoof-css.js',
|
||
fn: spoofCSS,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function spoofCSS(
|
||
selector,
|
||
...args
|
||
) {
|
||
if ( typeof selector !== 'string' ) { return; }
|
||
if ( selector === '' ) { return; }
|
||
const toCamelCase = s => s.replace(/-[a-z]/g, s => s.charAt(1).toUpperCase());
|
||
const propToValueMap = new Map();
|
||
for ( let i = 0; i < args.length; i += 2 ) {
|
||
if ( typeof args[i+0] !== 'string' ) { break; }
|
||
if ( args[i+0] === '' ) { break; }
|
||
if ( typeof args[i+1] !== 'string' ) { break; }
|
||
propToValueMap.set(toCamelCase(args[i+0]), args[i+1]);
|
||
}
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('spoof-css', selector, ...args);
|
||
const canDebug = scriptletGlobals.canDebug;
|
||
const shouldDebug = canDebug && propToValueMap.get('debug') || 0;
|
||
const instanceProperties = [ 'cssText', 'length', 'parentRule' ];
|
||
const spoofStyle = (prop, real) => {
|
||
const normalProp = toCamelCase(prop);
|
||
const shouldSpoof = propToValueMap.has(normalProp);
|
||
const value = shouldSpoof ? propToValueMap.get(normalProp) : real;
|
||
if ( shouldSpoof ) {
|
||
safe.uboLog(logPrefix, `Spoofing ${prop} to ${value}`);
|
||
}
|
||
return value;
|
||
};
|
||
const cloackFunc = (fn, thisArg, name) => {
|
||
const trap = fn.bind(thisArg);
|
||
Object.defineProperty(trap, 'name', { value: name });
|
||
Object.defineProperty(trap, 'toString', {
|
||
value: ( ) => `function ${name}() { [native code] }`
|
||
});
|
||
return trap;
|
||
};
|
||
self.getComputedStyle = new Proxy(self.getComputedStyle, {
|
||
apply: function(target, thisArg, args) {
|
||
// eslint-disable-next-line no-debugger
|
||
if ( shouldDebug !== 0 ) { debugger; }
|
||
const style = Reflect.apply(target, thisArg, args);
|
||
const targetElements = new WeakSet(document.querySelectorAll(selector));
|
||
if ( targetElements.has(args[0]) === false ) { return style; }
|
||
const proxiedStyle = new Proxy(style, {
|
||
get(target, prop, receiver) {
|
||
if ( typeof target[prop] === 'function' ) {
|
||
if ( prop === 'getPropertyValue' ) {
|
||
return cloackFunc(function getPropertyValue(prop) {
|
||
return spoofStyle(prop, target[prop]);
|
||
}, target, 'getPropertyValue');
|
||
}
|
||
return cloackFunc(target[prop], target, prop);
|
||
}
|
||
if ( instanceProperties.includes(prop) ) {
|
||
return Reflect.get(target, prop);
|
||
}
|
||
return spoofStyle(prop, Reflect.get(target, prop, receiver));
|
||
},
|
||
getOwnPropertyDescriptor(target, prop) {
|
||
if ( propToValueMap.has(prop) ) {
|
||
return {
|
||
configurable: true,
|
||
enumerable: true,
|
||
value: propToValueMap.get(prop),
|
||
writable: true,
|
||
};
|
||
}
|
||
return Reflect.getOwnPropertyDescriptor(target, prop);
|
||
},
|
||
});
|
||
return proxiedStyle;
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
});
|
||
Element.prototype.getBoundingClientRect = new Proxy(Element.prototype.getBoundingClientRect, {
|
||
apply: function(target, thisArg, args) {
|
||
// eslint-disable-next-line no-debugger
|
||
if ( shouldDebug !== 0 ) { debugger; }
|
||
const rect = Reflect.apply(target, thisArg, args);
|
||
const targetElements = new WeakSet(document.querySelectorAll(selector));
|
||
if ( targetElements.has(thisArg) === false ) { return rect; }
|
||
let { height, width } = rect;
|
||
if ( propToValueMap.has('width') ) {
|
||
width = parseFloat(propToValueMap.get('width'));
|
||
}
|
||
if ( propToValueMap.has('height') ) {
|
||
height = parseFloat(propToValueMap.get('height'));
|
||
}
|
||
return new self.DOMRect(rect.x, rect.y, width, height);
|
||
},
|
||
get(target, prop, receiver) {
|
||
if ( prop === 'toString' ) {
|
||
return target.toString.bind(target);
|
||
}
|
||
return Reflect.get(target, prop, receiver);
|
||
},
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'remove-node-text.js',
|
||
aliases: [
|
||
'rmnt.js',
|
||
],
|
||
fn: removeNodeText,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'replace-node-text.fn',
|
||
],
|
||
});
|
||
function removeNodeText(
|
||
nodeName,
|
||
includes,
|
||
...extraArgs
|
||
) {
|
||
replaceNodeTextFn(nodeName, '', '', 'includes', includes || '', ...extraArgs);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* set-cookie.js
|
||
*
|
||
* Set specified cookie to a specific value.
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/set-cookie.js
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-cookie.js',
|
||
fn: setCookie,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
'set-cookie.fn',
|
||
],
|
||
});
|
||
function setCookie(
|
||
name = '',
|
||
value = '',
|
||
path = ''
|
||
) {
|
||
if ( name === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('set-cookie', name, value, path);
|
||
|
||
const validValues = [
|
||
'accept', 'reject',
|
||
'accepted', 'rejected', 'notaccepted',
|
||
'allow', 'deny',
|
||
'allowed', 'disallow',
|
||
'enable', 'disable',
|
||
'enabled', 'disabled',
|
||
'ok',
|
||
'on', 'off',
|
||
'true', 't', 'false', 'f',
|
||
'yes', 'y', 'no', 'n',
|
||
'necessary', 'required',
|
||
'approved', 'disapproved',
|
||
'hide', 'hidden',
|
||
'essential', 'nonessential',
|
||
'dismiss', 'dismissed',
|
||
];
|
||
const normalized = value.toLowerCase();
|
||
const match = /^("?)(.+)\1$/.exec(normalized);
|
||
const unquoted = match && match[2] || normalized;
|
||
if ( validValues.includes(unquoted) === false ) {
|
||
if ( /^\d+$/.test(unquoted) === false ) { return; }
|
||
const n = parseInt(value, 10);
|
||
if ( n > 32767 ) { return; }
|
||
}
|
||
|
||
const done = setCookieFn(
|
||
false,
|
||
name,
|
||
value,
|
||
'',
|
||
path,
|
||
safe.getExtraArgs(Array.from(arguments), 3)
|
||
);
|
||
|
||
if ( done ) {
|
||
safe.uboLog(logPrefix, 'Done');
|
||
}
|
||
}
|
||
|
||
// For compatibility with AdGuard
|
||
builtinScriptlets.push({
|
||
name: 'set-cookie-reload.js',
|
||
fn: setCookieReload,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'set-cookie.js',
|
||
],
|
||
});
|
||
function setCookieReload(name, value, path, ...args) {
|
||
setCookie(name, value, path, 'reload', '1', ...args);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* set-local-storage-item.js
|
||
* set-session-storage-item.js
|
||
*
|
||
* Set a local/session storage entry to a specific, allowed value.
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/set-local-storage-item.js
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/set-session-storage-item.js
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-local-storage-item.js',
|
||
fn: setLocalStorageItem,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'set-local-storage-item.fn',
|
||
],
|
||
});
|
||
function setLocalStorageItem(key = '', value = '') {
|
||
setLocalStorageItemFn('local', false, key, value);
|
||
}
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-session-storage-item.js',
|
||
fn: setSessionStorageItem,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'set-local-storage-item.fn',
|
||
],
|
||
});
|
||
function setSessionStorageItem(key = '', value = '') {
|
||
setLocalStorageItemFn('session', false, key, value);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* @scriptlet set-attr
|
||
*
|
||
* @description
|
||
* Sets the specified attribute on the specified elements. This scriptlet runs
|
||
* once when the page loads then afterward on DOM mutations.
|
||
|
||
* Reference: https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/set-attr.js
|
||
*
|
||
* ### Syntax
|
||
*
|
||
* ```text
|
||
* example.org##+js(set-attr, selector, attr [, value])
|
||
* ```
|
||
*
|
||
* - `selector`: CSS selector of DOM elements for which the attribute `attr`
|
||
* must be modified.
|
||
* - `attr`: the name of the attribute to modify
|
||
* - `value`: the value to assign to the target attribute. Possible values:
|
||
* - `''`: empty string (default)
|
||
* - `true`
|
||
* - `false`
|
||
* - positive decimal integer 0 <= value < 32768
|
||
* - `[other]`: copy the value from attribute `other` on the same element
|
||
* */
|
||
|
||
builtinScriptlets.push({
|
||
name: 'set-attr.js',
|
||
fn: setAttr,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'run-at.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function setAttr(
|
||
selector = '',
|
||
attr = '',
|
||
value = ''
|
||
) {
|
||
if ( selector === '' ) { return; }
|
||
if ( attr === '' ) { return; }
|
||
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('set-attr', attr, value);
|
||
const validValues = [ '', 'false', 'true' ];
|
||
let copyFrom = '';
|
||
|
||
if ( validValues.includes(value.toLowerCase()) === false ) {
|
||
if ( /^\d+$/.test(value) ) {
|
||
const n = parseInt(value, 10);
|
||
if ( n >= 32768 ) { return; }
|
||
value = `${n}`;
|
||
} else if ( /^\[.+\]$/.test(value) ) {
|
||
copyFrom = value.slice(1, -1);
|
||
} else {
|
||
return;
|
||
}
|
||
}
|
||
|
||
const extractValue = elem => {
|
||
if ( copyFrom !== '' ) {
|
||
return elem.getAttribute(copyFrom) || '';
|
||
}
|
||
return value;
|
||
};
|
||
|
||
const applySetAttr = ( ) => {
|
||
const elems = [];
|
||
try {
|
||
elems.push(...document.querySelectorAll(selector));
|
||
}
|
||
catch(ex) {
|
||
return false;
|
||
}
|
||
for ( const elem of elems ) {
|
||
const before = elem.getAttribute(attr);
|
||
const after = extractValue(elem);
|
||
if ( after === before ) { continue; }
|
||
if ( after !== '' && /^on/i.test(attr) ) {
|
||
if ( attr.toLowerCase() in elem ) { continue; }
|
||
}
|
||
elem.setAttribute(attr, after);
|
||
safe.uboLog(logPrefix, `${attr}="${after}"`);
|
||
}
|
||
return true;
|
||
};
|
||
let observer, timer;
|
||
const onDomChanged = mutations => {
|
||
if ( timer !== undefined ) { return; }
|
||
let shouldWork = false;
|
||
for ( const mutation of mutations ) {
|
||
if ( mutation.addedNodes.length === 0 ) { continue; }
|
||
for ( const node of mutation.addedNodes ) {
|
||
if ( node.nodeType !== 1 ) { continue; }
|
||
shouldWork = true;
|
||
break;
|
||
}
|
||
if ( shouldWork ) { break; }
|
||
}
|
||
if ( shouldWork === false ) { return; }
|
||
timer = self.requestAnimationFrame(( ) => {
|
||
timer = undefined;
|
||
applySetAttr();
|
||
});
|
||
};
|
||
const start = ( ) => {
|
||
if ( applySetAttr() === false ) { return; }
|
||
observer = new MutationObserver(onDomChanged);
|
||
observer.observe(document.body, {
|
||
subtree: true,
|
||
childList: true,
|
||
});
|
||
};
|
||
runAt(( ) => { start(); }, 'idle');
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* @scriptlet prevent-canvas
|
||
*
|
||
* @description
|
||
* Prevent usage of specific or all (default) canvas APIs.
|
||
*
|
||
* ### Syntax
|
||
*
|
||
* ```text
|
||
* example.com##+js(prevent-canvas [, contextType])
|
||
* ```
|
||
*
|
||
* - `contextType`: A specific type of canvas API to prevent (default to all
|
||
* APIs). Can be a string or regex which will be matched against the type
|
||
* used in getContext() call. Prepend with `!` to test for no-match.
|
||
*
|
||
* ### Examples
|
||
*
|
||
* 1. Prevent `example.com` from accessing all canvas APIs
|
||
*
|
||
* ```adblock
|
||
* example.com##+js(prevent-canvas)
|
||
* ```
|
||
*
|
||
* 2. Prevent access to any flavor of WebGL API, everywhere
|
||
*
|
||
* ```adblock
|
||
* *##+js(prevent-canvas, /webgl/)
|
||
* ```
|
||
*
|
||
* 3. Prevent `example.com` from accessing any flavor of canvas API except `2d`
|
||
*
|
||
* ```adblock
|
||
* example.com##+js(prevent-canvas, !2d)
|
||
* ```
|
||
*
|
||
* ### References
|
||
*
|
||
* https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/getContext
|
||
*
|
||
* */
|
||
|
||
builtinScriptlets.push({
|
||
name: 'prevent-canvas.js',
|
||
fn: preventCanvas,
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function preventCanvas(
|
||
contextType = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const pattern = safe.initPattern(contextType, { canNegate: true });
|
||
const proto = globalThis.HTMLCanvasElement.prototype;
|
||
proto.getContext = new Proxy(proto.getContext, {
|
||
apply(target, thisArg, args) {
|
||
if ( safe.testPattern(pattern, args[0]) ) { return null; }
|
||
return Reflect.apply(target, thisArg, args);
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'multiup.js',
|
||
fn: multiup,
|
||
world: 'ISOLATED',
|
||
});
|
||
function multiup() {
|
||
const handler = ev => {
|
||
const target = ev.target;
|
||
if ( target.matches('button[link]') === false ) { return; }
|
||
const ancestor = target.closest('form');
|
||
if ( ancestor === null ) { return; }
|
||
if ( ancestor !== target.parentElement ) { return; }
|
||
const link = (target.getAttribute('link') || '').trim();
|
||
if ( link === '' ) { return; }
|
||
ev.preventDefault();
|
||
ev.stopPropagation();
|
||
document.location.href = link;
|
||
};
|
||
document.addEventListener('click', handler, { capture: true });
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'remove-cache-storage-item.js',
|
||
fn: removeCacheStorageItem,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function removeCacheStorageItem(
|
||
cacheNamePattern = '',
|
||
requestPattern = ''
|
||
) {
|
||
if ( cacheNamePattern === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('remove-cache-storage-item', cacheNamePattern, requestPattern);
|
||
const cacheStorage = self.caches;
|
||
if ( cacheStorage instanceof Object === false ) { return; }
|
||
const reCache = safe.patternToRegex(cacheNamePattern, undefined, true);
|
||
const reRequest = safe.patternToRegex(requestPattern, undefined, true);
|
||
cacheStorage.keys().then(cacheNames => {
|
||
for ( const cacheName of cacheNames ) {
|
||
if ( reCache.test(cacheName) === false ) { continue; }
|
||
if ( requestPattern === '' ) {
|
||
cacheStorage.delete(cacheName).then(result => {
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Deleting ${cacheName}`);
|
||
}
|
||
if ( result !== true ) { return; }
|
||
safe.uboLog(logPrefix, `Deleted ${cacheName}: ${result}`);
|
||
});
|
||
continue;
|
||
}
|
||
cacheStorage.open(cacheName).then(cache => {
|
||
cache.keys().then(requests => {
|
||
for ( const request of requests ) {
|
||
if ( reRequest.test(request.url) === false ) { continue; }
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Deleting ${cacheName}/${request.url}`);
|
||
}
|
||
cache.delete(request).then(result => {
|
||
if ( result !== true ) { return; }
|
||
safe.uboLog(logPrefix, `Deleted ${cacheName}/${request.url}: ${result}`);
|
||
});
|
||
}
|
||
});
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* Scriplets below this section are only available for filter lists from
|
||
* trusted sources. They all have the property `requiresTrust` set to `true`.
|
||
*
|
||
* Trusted sources are:
|
||
*
|
||
* - uBO's own filter lists, which name starts with "uBlock filters – ", and
|
||
* maintained at: https://github.com/uBlockOrigin/uAssets
|
||
*
|
||
* - The user's own filters as seen in "My filters" pane in uBO's dashboard.
|
||
*
|
||
* The trustworthiness of filters using these privileged scriptlets are
|
||
* evaluated at filter list compiled time: when a filter using one of the
|
||
* privileged scriptlet originates from a non-trusted filter list source, it
|
||
* is discarded at compile time, specifically from within:
|
||
*
|
||
* - Source: ./src/js/scriptlet-filtering.js
|
||
* - Method: scriptletFilteringEngine.compile(), via normalizeRawFilter()
|
||
*
|
||
**/
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* replace-node-text.js
|
||
*
|
||
* Replace text instance(s) with another text instance inside specific
|
||
* DOM nodes. By default, the scriplet stops and quits at the interactive
|
||
* stage of a document.
|
||
*
|
||
* See commit messages for usage:
|
||
* - https://github.com/gorhill/uBlock/commit/99ce027fd702
|
||
* - https://github.com/gorhill/uBlock/commit/41876336db48
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-replace-node-text.js',
|
||
requiresTrust: true,
|
||
aliases: [
|
||
'trusted-rpnt.js',
|
||
'replace-node-text.js',
|
||
'rpnt.js',
|
||
],
|
||
fn: replaceNodeText,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'replace-node-text.fn',
|
||
],
|
||
});
|
||
function replaceNodeText(
|
||
nodeName,
|
||
pattern,
|
||
replacement,
|
||
...extraArgs
|
||
) {
|
||
replaceNodeTextFn(nodeName, pattern, replacement, ...extraArgs);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* trusted-set-constant.js
|
||
*
|
||
* Set specified property to any value. This is essentially the same as
|
||
* set-constant.js, but with no restriction as to which values can be used.
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-set-constant.js',
|
||
requiresTrust: true,
|
||
aliases: [
|
||
'trusted-set.js',
|
||
],
|
||
fn: trustedSetConstant,
|
||
dependencies: [
|
||
'set-constant.fn'
|
||
],
|
||
});
|
||
function trustedSetConstant(
|
||
...args
|
||
) {
|
||
setConstantFn(true, ...args);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* trusted-set-cookie.js
|
||
*
|
||
* Set specified cookie to an arbitrary value.
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/trusted-set-cookie.js#L23
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-set-cookie.js',
|
||
requiresTrust: true,
|
||
fn: trustedSetCookie,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'safe-self.fn',
|
||
'set-cookie.fn',
|
||
],
|
||
});
|
||
function trustedSetCookie(
|
||
name = '',
|
||
value = '',
|
||
offsetExpiresSec = '',
|
||
path = ''
|
||
) {
|
||
if ( name === '' ) { return; }
|
||
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('set-cookie', name, value, path);
|
||
const time = new Date();
|
||
|
||
if ( value.includes('$now$') ) {
|
||
value = value.replaceAll('$now$', time.getTime());
|
||
}
|
||
if ( value.includes('$currentDate$') ) {
|
||
value = value.replaceAll('$currentDate$', time.toUTCString());
|
||
}
|
||
if ( value.includes('$currentISODate$') ) {
|
||
value = value.replaceAll('$currentISODate$', time.toISOString());
|
||
}
|
||
|
||
let expires = '';
|
||
if ( offsetExpiresSec !== '' ) {
|
||
if ( offsetExpiresSec === '1day' ) {
|
||
time.setDate(time.getDate() + 1);
|
||
} else if ( offsetExpiresSec === '1year' ) {
|
||
time.setFullYear(time.getFullYear() + 1);
|
||
} else {
|
||
if ( /^\d+$/.test(offsetExpiresSec) === false ) { return; }
|
||
time.setSeconds(time.getSeconds() + parseInt(offsetExpiresSec, 10));
|
||
}
|
||
expires = time.toUTCString();
|
||
}
|
||
|
||
const done = setCookieFn(
|
||
true,
|
||
name,
|
||
value,
|
||
expires,
|
||
path,
|
||
safeSelf().getExtraArgs(Array.from(arguments), 4)
|
||
);
|
||
|
||
if ( done ) {
|
||
safe.uboLog(logPrefix, 'Done');
|
||
}
|
||
}
|
||
|
||
// For compatibility with AdGuard
|
||
builtinScriptlets.push({
|
||
name: 'trusted-set-cookie-reload.js',
|
||
requiresTrust: true,
|
||
fn: trustedSetCookieReload,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'trusted-set-cookie.js',
|
||
],
|
||
});
|
||
function trustedSetCookieReload(name, value, offsetExpiresSec, path, ...args) {
|
||
trustedSetCookie(name, value, offsetExpiresSec, path, 'reload', '1', ...args);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* trusted-set-local-storage-item.js
|
||
*
|
||
* Set a local storage entry to an arbitrary value.
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/trusted-set-local-storage-item.js
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-set-local-storage-item.js',
|
||
requiresTrust: true,
|
||
fn: trustedSetLocalStorageItem,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'set-local-storage-item.fn',
|
||
],
|
||
});
|
||
function trustedSetLocalStorageItem(key = '', value = '') {
|
||
setLocalStorageItemFn('local', true, key, value);
|
||
}
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-set-session-storage-item.js',
|
||
requiresTrust: true,
|
||
fn: trustedSetSessionStorageItem,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'set-local-storage-item.fn',
|
||
],
|
||
});
|
||
function trustedSetSessionStorageItem(key = '', value = '') {
|
||
setLocalStorageItemFn('session', true, key, value);
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* trusted-replace-fetch-response.js
|
||
*
|
||
* Replaces response text content of fetch requests if all given parameters
|
||
* match.
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/trusted-replace-fetch-response.js
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-replace-fetch-response.js',
|
||
requiresTrust: true,
|
||
aliases: [
|
||
'trusted-rpfr.js',
|
||
],
|
||
fn: trustedReplaceFetchResponse,
|
||
dependencies: [
|
||
'replace-fetch-response.fn',
|
||
],
|
||
});
|
||
function trustedReplaceFetchResponse(...args) {
|
||
replaceFetchResponseFn(true, ...args);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-replace-xhr-response.js',
|
||
requiresTrust: true,
|
||
fn: trustedReplaceXhrResponse,
|
||
dependencies: [
|
||
'match-object-properties.fn',
|
||
'parse-properties-to-match.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedReplaceXhrResponse(
|
||
pattern = '',
|
||
replacement = '',
|
||
propsToMatch = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('trusted-replace-xhr-response', pattern, replacement, propsToMatch);
|
||
const xhrInstances = new WeakMap();
|
||
if ( pattern === '*' ) { pattern = '.*'; }
|
||
const rePattern = safe.patternToRegex(pattern);
|
||
const propNeedles = parsePropertiesToMatch(propsToMatch, 'url');
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
const reIncludes = extraArgs.includes ? safe.patternToRegex(extraArgs.includes) : null;
|
||
self.XMLHttpRequest = class extends self.XMLHttpRequest {
|
||
open(method, url, ...args) {
|
||
const outerXhr = this;
|
||
const xhrDetails = { method, url };
|
||
let outcome = 'match';
|
||
if ( propNeedles.size !== 0 ) {
|
||
if ( matchObjectProperties(propNeedles, xhrDetails) === false ) {
|
||
outcome = 'nomatch';
|
||
}
|
||
}
|
||
if ( outcome === 'match' ) {
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, `Matched "propsToMatch"`);
|
||
}
|
||
xhrInstances.set(outerXhr, xhrDetails);
|
||
}
|
||
return super.open(method, url, ...args);
|
||
}
|
||
get response() {
|
||
const innerResponse = super.response;
|
||
const xhrDetails = xhrInstances.get(this);
|
||
if ( xhrDetails === undefined ) {
|
||
return innerResponse;
|
||
}
|
||
const responseLength = typeof innerResponse === 'string'
|
||
? innerResponse.length
|
||
: undefined;
|
||
if ( xhrDetails.lastResponseLength !== responseLength ) {
|
||
xhrDetails.response = undefined;
|
||
xhrDetails.lastResponseLength = responseLength;
|
||
}
|
||
if ( xhrDetails.response !== undefined ) {
|
||
return xhrDetails.response;
|
||
}
|
||
if ( typeof innerResponse !== 'string' ) {
|
||
return (xhrDetails.response = innerResponse);
|
||
}
|
||
if ( reIncludes && reIncludes.test(innerResponse) === false ) {
|
||
return (xhrDetails.response = innerResponse);
|
||
}
|
||
const textBefore = innerResponse;
|
||
const textAfter = textBefore.replace(rePattern, replacement);
|
||
if ( textAfter !== textBefore ) {
|
||
safe.uboLog(logPrefix, 'Match');
|
||
}
|
||
return (xhrDetails.response = textAfter);
|
||
}
|
||
get responseText() {
|
||
const response = this.response;
|
||
if ( typeof response !== 'string' ) {
|
||
return super.responseText;
|
||
}
|
||
return response;
|
||
}
|
||
};
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* trusted-click-element.js
|
||
*
|
||
* Reference API:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/master/src/scriptlets/trusted-click-element.js
|
||
*
|
||
**/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-click-element.js',
|
||
requiresTrust: true,
|
||
fn: trustedClickElement,
|
||
world: 'ISOLATED',
|
||
dependencies: [
|
||
'get-all-cookies.fn',
|
||
'get-all-local-storage.fn',
|
||
'run-at-html-element.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedClickElement(
|
||
selectors = '',
|
||
extraMatch = '',
|
||
delay = ''
|
||
) {
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('trusted-click-element', selectors, extraMatch, delay);
|
||
|
||
if ( extraMatch !== '' ) {
|
||
const assertions = extraMatch.split(',').map(s => {
|
||
const pos1 = s.indexOf(':');
|
||
const s1 = pos1 !== -1 ? s.slice(0, pos1) : s;
|
||
const not = s1.startsWith('!');
|
||
const type = not ? s1.slice(1) : s1;
|
||
const s2 = pos1 !== -1 ? s.slice(pos1+1).trim() : '';
|
||
if ( s2 === '' ) { return; }
|
||
const out = { not, type };
|
||
const match = /^\/(.+)\/(i?)$/.exec(s2);
|
||
if ( match !== null ) {
|
||
out.re = new RegExp(match[1], match[2] || undefined);
|
||
return out;
|
||
}
|
||
const pos2 = s2.indexOf('=');
|
||
const key = pos2 !== -1 ? s2.slice(0, pos2).trim() : s2;
|
||
const value = pos2 !== -1 ? s2.slice(pos2+1).trim() : '';
|
||
out.re = new RegExp(`^${this.escapeRegexChars(key)}=${this.escapeRegexChars(value)}`);
|
||
return out;
|
||
}).filter(details => details !== undefined);
|
||
const allCookies = assertions.some(o => o.type === 'cookie')
|
||
? getAllCookiesFn()
|
||
: [];
|
||
const allStorageItems = assertions.some(o => o.type === 'localStorage')
|
||
? getAllLocalStorageFn()
|
||
: [];
|
||
const hasNeedle = (haystack, needle) => {
|
||
for ( const { key, value } of haystack ) {
|
||
if ( needle.test(`${key}=${value}`) ) { return true; }
|
||
}
|
||
return false;
|
||
};
|
||
for ( const { not, type, re } of assertions ) {
|
||
switch ( type ) {
|
||
case 'cookie':
|
||
if ( hasNeedle(allCookies, re) === not ) { return; }
|
||
break;
|
||
case 'localStorage':
|
||
if ( hasNeedle(allStorageItems, re) === not ) { return; }
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
const getShadowRoot = elem => {
|
||
// Firefox
|
||
if ( elem.openOrClosedShadowRoot ) {
|
||
return elem.openOrClosedShadowRoot;
|
||
}
|
||
// Chromium
|
||
if ( typeof chrome === 'object' ) {
|
||
if ( chrome.dom && chrome.dom.openOrClosedShadowRoot ) {
|
||
return chrome.dom.openOrClosedShadowRoot(elem);
|
||
}
|
||
}
|
||
return null;
|
||
};
|
||
|
||
const querySelectorEx = (selector, context = document) => {
|
||
const pos = selector.indexOf(' >>> ');
|
||
if ( pos === -1 ) { return context.querySelector(selector); }
|
||
const outside = selector.slice(0, pos).trim();
|
||
const inside = selector.slice(pos + 5).trim();
|
||
const elem = context.querySelector(outside);
|
||
if ( elem === null ) { return null; }
|
||
const shadowRoot = getShadowRoot(elem);
|
||
return shadowRoot && querySelectorEx(inside, shadowRoot);
|
||
};
|
||
|
||
const selectorList = selectors.split(/\s*,\s*/)
|
||
.filter(s => {
|
||
try {
|
||
void querySelectorEx(s);
|
||
} catch(_) {
|
||
return false;
|
||
}
|
||
return true;
|
||
});
|
||
if ( selectorList.length === 0 ) { return; }
|
||
|
||
const clickDelay = parseInt(delay, 10) || 1;
|
||
const t0 = Date.now();
|
||
const tbye = t0 + 10000;
|
||
let tnext = selectorList.length !== 1 ? t0 : t0 + clickDelay;
|
||
|
||
const terminate = ( ) => {
|
||
selectorList.length = 0;
|
||
next.stop();
|
||
observe.stop();
|
||
};
|
||
|
||
const next = notFound => {
|
||
if ( selectorList.length === 0 ) {
|
||
safe.uboLog(logPrefix, 'Completed');
|
||
return terminate();
|
||
}
|
||
const tnow = Date.now();
|
||
if ( tnow >= tbye ) {
|
||
safe.uboLog(logPrefix, 'Timed out');
|
||
return terminate();
|
||
}
|
||
if ( notFound ) { observe(); }
|
||
const delay = Math.max(notFound ? tbye - tnow : tnext - tnow, 1);
|
||
next.timer = setTimeout(( ) => {
|
||
next.timer = undefined;
|
||
process();
|
||
}, delay);
|
||
safe.uboLog(logPrefix, `Waiting for ${selectorList[0]}...`);
|
||
};
|
||
next.stop = ( ) => {
|
||
if ( next.timer === undefined ) { return; }
|
||
clearTimeout(next.timer);
|
||
next.timer = undefined;
|
||
};
|
||
|
||
const observe = ( ) => {
|
||
if ( observe.observer !== undefined ) { return; }
|
||
observe.observer = new MutationObserver(( ) => {
|
||
if ( observe.timer !== undefined ) { return; }
|
||
observe.timer = setTimeout(( ) => {
|
||
observe.timer = undefined;
|
||
process();
|
||
}, 20);
|
||
});
|
||
observe.observer.observe(document, {
|
||
attributes: true,
|
||
childList: true,
|
||
subtree: true,
|
||
});
|
||
};
|
||
observe.stop = ( ) => {
|
||
if ( observe.timer !== undefined ) {
|
||
clearTimeout(observe.timer);
|
||
observe.timer = undefined;
|
||
}
|
||
if ( observe.observer ) {
|
||
observe.observer.disconnect();
|
||
observe.observer = undefined;
|
||
}
|
||
};
|
||
|
||
const process = ( ) => {
|
||
next.stop();
|
||
if ( Date.now() < tnext ) { return next(); }
|
||
const selector = selectorList.shift();
|
||
if ( selector === undefined ) { return terminate(); }
|
||
const elem = querySelectorEx(selector);
|
||
if ( elem === null ) {
|
||
selectorList.unshift(selector);
|
||
return next(true);
|
||
}
|
||
safe.uboLog(logPrefix, `Clicked ${selector}`);
|
||
elem.click();
|
||
tnext += clickDelay;
|
||
next();
|
||
};
|
||
|
||
runAtHtmlElementFn(process);
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-prune-inbound-object.js',
|
||
requiresTrust: true,
|
||
fn: trustedPruneInboundObject,
|
||
dependencies: [
|
||
'object-find-owner.fn',
|
||
'object-prune.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedPruneInboundObject(
|
||
entryPoint = '',
|
||
argPos = '',
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = ''
|
||
) {
|
||
if ( entryPoint === '' ) { return; }
|
||
let context = globalThis;
|
||
let prop = entryPoint;
|
||
for (;;) {
|
||
const pos = prop.indexOf('.');
|
||
if ( pos === -1 ) { break; }
|
||
context = context[prop.slice(0, pos)];
|
||
if ( context instanceof Object === false ) { return; }
|
||
prop = prop.slice(pos+1);
|
||
}
|
||
if ( typeof context[prop] !== 'function' ) { return; }
|
||
const argIndex = parseInt(argPos);
|
||
if ( isNaN(argIndex) ) { return; }
|
||
if ( argIndex < 1 ) { return; }
|
||
const safe = safeSelf();
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 4);
|
||
const needlePaths = [];
|
||
if ( rawPrunePaths !== '' ) {
|
||
needlePaths.push(...rawPrunePaths.split(/ +/));
|
||
}
|
||
if ( rawNeedlePaths !== '' ) {
|
||
needlePaths.push(...rawNeedlePaths.split(/ +/));
|
||
}
|
||
const stackNeedle = safe.initPattern(extraArgs.stackToMatch || '', { canNegate: true });
|
||
const mustProcess = root => {
|
||
for ( const needlePath of needlePaths ) {
|
||
if ( objectFindOwnerFn(root, needlePath) === false ) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
};
|
||
context[prop] = new Proxy(context[prop], {
|
||
apply: function(target, thisArg, args) {
|
||
const targetArg = argIndex <= args.length
|
||
? args[argIndex-1]
|
||
: undefined;
|
||
if ( targetArg instanceof Object && mustProcess(targetArg) ) {
|
||
let objBefore = targetArg;
|
||
if ( extraArgs.dontOverwrite ) {
|
||
try {
|
||
objBefore = safe.JSON_parse(safe.JSON_stringify(targetArg));
|
||
} catch(_) {
|
||
objBefore = undefined;
|
||
}
|
||
}
|
||
if ( objBefore !== undefined ) {
|
||
const objAfter = objectPruneFn(
|
||
objBefore,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
stackNeedle,
|
||
extraArgs
|
||
);
|
||
args[argIndex-1] = objAfter || objBefore;
|
||
}
|
||
}
|
||
return Reflect.apply(target, thisArg, args);
|
||
},
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-prune-outbound-object.js',
|
||
requiresTrust: true,
|
||
fn: trustedPruneOutboundObject,
|
||
dependencies: [
|
||
'object-prune.fn',
|
||
'proxy-apply.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedPruneOutboundObject(
|
||
propChain = '',
|
||
rawPrunePaths = '',
|
||
rawNeedlePaths = ''
|
||
) {
|
||
if ( propChain === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
const reflector = proxyApplyFn(propChain, function(...args) {
|
||
const objBefore = reflector(...args);
|
||
if ( objBefore instanceof Object === false ) { return objBefore; }
|
||
const objAfter = objectPruneFn(
|
||
objBefore,
|
||
rawPrunePaths,
|
||
rawNeedlePaths,
|
||
{ matchAll: true },
|
||
extraArgs
|
||
);
|
||
return objAfter || objBefore;
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-replace-argument.js',
|
||
requiresTrust: true,
|
||
fn: trustedReplaceArgument,
|
||
dependencies: [
|
||
'proxy-apply.fn',
|
||
'safe-self.fn',
|
||
'validate-constant.fn',
|
||
],
|
||
});
|
||
function trustedReplaceArgument(
|
||
propChain = '',
|
||
argposRaw = '',
|
||
argraw = ''
|
||
) {
|
||
if ( propChain === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('trusted-replace-argument', propChain, argposRaw, argraw);
|
||
const argpos = parseInt(argposRaw, 10) || 0;
|
||
const extraArgs = safe.getExtraArgs(Array.from(arguments), 3);
|
||
const normalValue = validateConstantFn(true, argraw, extraArgs);
|
||
const reCondition = extraArgs.condition
|
||
? safe.patternToRegex(extraArgs.condition)
|
||
: /^/;
|
||
const reflector = proxyApplyFn(propChain, function(...args) {
|
||
if ( argposRaw === '' ) {
|
||
safe.uboLog(logPrefix, `Arguments:\n${args.join('\n')}`);
|
||
return reflector(...args);
|
||
}
|
||
const arglist = args[args.length-1];
|
||
if ( Array.isArray(arglist) === false ) { return reflector(...args); }
|
||
const argBefore = arglist[argpos];
|
||
if ( safe.RegExp_test.call(reCondition, argBefore) === false ) {
|
||
return reflector(...args);
|
||
}
|
||
arglist[argpos] = normalValue;
|
||
safe.uboLog(logPrefix, `Replaced argument:\nBefore: ${JSON.stringify(argBefore)}\nAfter: ${normalValue}`);
|
||
return reflector(...args);
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-replace-outbound-text.js',
|
||
requiresTrust: true,
|
||
fn: trustedReplaceOutboundText,
|
||
dependencies: [
|
||
'proxy-apply.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedReplaceOutboundText(
|
||
propChain = '',
|
||
pattern = '',
|
||
replacement = '',
|
||
...args
|
||
) {
|
||
if ( propChain === '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('trusted-replace-outbound-text', propChain, pattern, replacement, ...args);
|
||
const rePattern = safe.patternToRegex(pattern);
|
||
const extraArgs = safe.getExtraArgs(args);
|
||
const reCondition = safe.patternToRegex(extraArgs.condition || '');
|
||
const reflector = proxyApplyFn(propChain, function(...args) {
|
||
const encodedTextBefore = reflector(...args);
|
||
let textBefore = encodedTextBefore;
|
||
if ( extraArgs.encoding === 'base64' ) {
|
||
try { textBefore = self.atob(encodedTextBefore); }
|
||
catch(ex) { return encodedTextBefore; }
|
||
}
|
||
if ( pattern === '' ) {
|
||
safe.uboLog(logPrefix, 'Decoded outbound text:\n', textBefore);
|
||
return encodedTextBefore;
|
||
}
|
||
reCondition.lastIndex = 0;
|
||
if ( reCondition.test(textBefore) === false ) { return encodedTextBefore; }
|
||
const textAfter = textBefore.replace(rePattern, replacement);
|
||
if ( textAfter === textBefore ) { return encodedTextBefore; }
|
||
safe.uboLog(logPrefix, 'Matched and replaced');
|
||
if ( safe.logLevel > 1 ) {
|
||
safe.uboLog(logPrefix, 'Modified decoded outbound text:\n', textAfter);
|
||
}
|
||
let encodedTextAfter = textAfter;
|
||
if ( extraArgs.encoding === 'base64' ) {
|
||
encodedTextAfter = self.btoa(textAfter);
|
||
}
|
||
return encodedTextAfter;
|
||
});
|
||
}
|
||
|
||
/*******************************************************************************
|
||
*
|
||
* Reference:
|
||
* https://github.com/AdguardTeam/Scriptlets/blob/5a92d79489/wiki/about-trusted-scriptlets.md#trusted-suppress-native-method
|
||
*
|
||
* This is a first version with current limitations:
|
||
* - Does not support matching arguments which are object or array
|
||
* - Does not support `stack` parameter
|
||
*
|
||
* If `signatureStr` parameter is not declared, the scriptlet will log all calls
|
||
* to `methodPath` along with the arguments passed and will not prevent the
|
||
* trapped method.
|
||
*
|
||
* */
|
||
|
||
builtinScriptlets.push({
|
||
name: 'trusted-suppress-native-method.js',
|
||
requiresTrust: true,
|
||
fn: trustedSuppressNativeMethod,
|
||
dependencies: [
|
||
'proxy-apply.fn',
|
||
'safe-self.fn',
|
||
],
|
||
});
|
||
function trustedSuppressNativeMethod(
|
||
methodPath = '',
|
||
signature = '',
|
||
how = '',
|
||
stack = ''
|
||
) {
|
||
if ( methodPath === '' ) { return; }
|
||
if ( stack !== '' ) { return; }
|
||
const safe = safeSelf();
|
||
const logPrefix = safe.makeLogPrefix('trusted-suppress-native-method', methodPath, signature, how);
|
||
const signatureArgs = signature.split(/\s*\|\s*/).map(v => {
|
||
if ( /^".*"$/.test(v) ) {
|
||
return { type: 'pattern', re: safe.patternToRegex(v.slice(1, -1)) };
|
||
}
|
||
if ( v === 'false' ) {
|
||
return { type: 'exact', value: false };
|
||
}
|
||
if ( v === 'true' ) {
|
||
return { type: 'exact', value: true };
|
||
}
|
||
if ( v === 'null' ) {
|
||
return { type: 'exact', value: null };
|
||
}
|
||
if ( v === 'undefined' ) {
|
||
return { type: 'exact', value: undefined };
|
||
}
|
||
});
|
||
const reflector = proxyApplyFn(methodPath, function(...args) {
|
||
if ( signature === '' ) {
|
||
safe.uboLog(logPrefix, `Arguments:\n${args.join('\n')}`);
|
||
return reflector(...args);
|
||
}
|
||
const arglist = args[args.length-1];
|
||
if ( Array.isArray(arglist) === false ) {
|
||
return reflector(...args);
|
||
}
|
||
if ( arglist.length < signatureArgs.length ) {
|
||
return reflector(...args);
|
||
}
|
||
for ( let i = 0; i < signatureArgs.length; i++ ) {
|
||
const signatureArg = signatureArgs[i];
|
||
if ( signatureArg === undefined ) { continue; }
|
||
const targetArg = arglist[i];
|
||
if ( signatureArg.type === 'exact' ) {
|
||
if ( targetArg !== signatureArg.value ) {
|
||
return reflector(...args);
|
||
}
|
||
}
|
||
if ( signatureArg.type === 'pattern' ) {
|
||
if ( safe.RegExp_test.call(signatureArg.re, targetArg) === false ) {
|
||
return reflector(...args);
|
||
}
|
||
}
|
||
}
|
||
safe.uboLog(logPrefix, `Suppressed:\n${args.join('\n')}`);
|
||
if ( how === 'abort' ) {
|
||
throw new ReferenceError();
|
||
}
|
||
});
|
||
}
|
||
|
||
/******************************************************************************/
|