2024-07-24 13:57:40 +00:00

566 lines
20 KiB
JavaScript

/*******************************************************************************
uBlock Origin Lite - a comprehensive, MV3-compliant content blocker
Copyright (C) 2014-present Raymond Hill
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://github.com/gorhill/uBlock
*/
/* jshint esversion:11 */
/* global cloneInto */
'use strict';
// ruleset: nor-0
/******************************************************************************/
// Important!
// Isolate from global scope
// Start of local scope
(( ) => {
/******************************************************************************/
// Start of code to inject
const uBOL_setConstant = function() {
const scriptletGlobals = {}; // jshint ignore: line
const argsList = [["showAd","false"],["adblock","false"],["adblockEnabled","noopFunc"],["trackAdblock","noopFunc"],["adblockerAlert","noopFunc"],["__INITIAL_STATE__.features.should-show-snow","false"],["ads","emptyObj"]];
const hostnamesMap = new Map([["blogg.no",0],["techstart.dk",1],["connery.dk",4],["spleis.no",5],["gamer.no",6]]);
const entitiesMap = new Map([["gamereactor",[2,3]]]);
const exceptionsMap = new Map([]);
/******************************************************************************/
function setConstant(
...args
) {
setConstantFn(false, ...args);
}
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);
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);
}
function runAt(fn, when) {
const intFromReadyState = state => {
const targets = {
'loading': 1,
'interactive': 2, 'end': 2, '2': 2,
'complete': 3, 'idle': 3, '3': 3,
};
const tokens = Array.isArray(state) ? state : [ state ];
for ( const token of tokens ) {
const prop = `${token}`;
if ( targets.hasOwnProperty(prop) === false ) { continue; }
return targets[prop];
}
return 0;
};
const runAt = intFromReadyState(when);
if ( intFromReadyState(document.readyState) >= runAt ) {
fn(); return;
}
const onStateChange = ( ) => {
if ( intFromReadyState(document.readyState) < runAt ) { return; }
fn();
safe.removeEventListener.apply(document, args);
};
const safe = safeSelf();
const args = [ 'readystatechange', onStateChange, { capture: true } ];
safe.addEventListener.apply(document, args);
}
function safeSelf() {
if ( scriptletGlobals.safeSelf ) {
return scriptletGlobals.safeSelf;
}
const self = globalThis;
const safe = {
'Array_from': Array.from,
'Error': self.Error,
'Function_toStringFn': self.Function.prototype.toString,
'Function_toString': thisArg => safe.Function_toStringFn.call(thisArg),
'Math_floor': Math.floor,
'Math_max': Math.max,
'Math_min': Math.min,
'Math_random': Math.random,
'Object': Object,
'Object_defineProperty': Object.defineProperty.bind(Object),
'Object_defineProperties': Object.defineProperties.bind(Object),
'Object_fromEntries': Object.fromEntries.bind(Object),
'Object_getOwnPropertyDescriptor': Object.getOwnPropertyDescriptor.bind(Object),
'RegExp': self.RegExp,
'RegExp_test': self.RegExp.prototype.test,
'RegExp_exec': self.RegExp.prototype.exec,
'Request_clone': self.Request.prototype.clone,
'XMLHttpRequest': self.XMLHttpRequest,
'addEventListener': self.EventTarget.prototype.addEventListener,
'removeEventListener': self.EventTarget.prototype.removeEventListener,
'fetch': self.fetch,
'JSON': self.JSON,
'JSON_parseFn': self.JSON.parse,
'JSON_stringifyFn': self.JSON.stringify,
'JSON_parse': (...args) => safe.JSON_parseFn.call(safe.JSON, ...args),
'JSON_stringify': (...args) => safe.JSON_stringifyFn.call(safe.JSON, ...args),
'log': console.log.bind(console),
// Properties
logLevel: 0,
// Methods
makeLogPrefix(...args) {
return this.sendToLogger && `[${args.join(' \u205D ')}]` || '';
},
uboLog(...args) {
if ( this.sendToLogger === undefined ) { return; }
if ( args === undefined || args[0] === '' ) { return; }
return this.sendToLogger('info', ...args);
},
uboErr(...args) {
if ( this.sendToLogger === undefined ) { return; }
if ( args === undefined || args[0] === '' ) { return; }
return this.sendToLogger('error', ...args);
},
escapeRegexChars(s) {
return s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
},
initPattern(pattern, options = {}) {
if ( pattern === '' ) {
return { matchAll: true };
}
const expect = (options.canNegate !== true || pattern.startsWith('!') === false);
if ( expect === false ) {
pattern = pattern.slice(1);
}
const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
if ( match !== null ) {
return {
re: new this.RegExp(
match[1],
match[2] || options.flags
),
expect,
};
}
if ( options.flags !== undefined ) {
return {
re: new this.RegExp(this.escapeRegexChars(pattern),
options.flags
),
expect,
};
}
return { pattern, expect };
},
testPattern(details, haystack) {
if ( details.matchAll ) { return true; }
if ( details.re ) {
return this.RegExp_test.call(details.re, haystack) === details.expect;
}
return haystack.includes(details.pattern) === details.expect;
},
patternToRegex(pattern, flags = undefined, verbatim = false) {
if ( pattern === '' ) { return /^/; }
const match = /^\/(.+)\/([gimsu]*)$/.exec(pattern);
if ( match === null ) {
const reStr = this.escapeRegexChars(pattern);
return new RegExp(verbatim ? `^${reStr}$` : reStr, flags);
}
try {
return new RegExp(match[1], match[2] || undefined);
}
catch(ex) {
}
return /^/;
},
getExtraArgs(args, offset = 0) {
const entries = args.slice(offset).reduce((out, v, i, a) => {
if ( (i & 1) === 0 ) {
const rawValue = a[i+1];
const value = /^\d+$/.test(rawValue)
? parseInt(rawValue, 10)
: rawValue;
out.push([ a[i], value ]);
}
return out;
}, []);
return this.Object_fromEntries(entries);
},
onIdle(fn, options) {
if ( self.requestIdleCallback ) {
return self.requestIdleCallback(fn, options);
}
return self.requestAnimationFrame(fn);
},
};
scriptletGlobals.safeSelf = safe;
if ( scriptletGlobals.bcSecret === undefined ) { return safe; }
// This is executed only when the logger is opened
const bc = new self.BroadcastChannel(scriptletGlobals.bcSecret);
let bcBuffer = [];
safe.logLevel = scriptletGlobals.logLevel || 1;
safe.sendToLogger = (type, ...args) => {
if ( args.length === 0 ) { return; }
const text = `[${document.location.hostname || document.location.href}]${args.join(' ')}`;
if ( bcBuffer === undefined ) {
return bc.postMessage({ what: 'messageToLogger', type, text });
}
bcBuffer.push({ type, text });
};
bc.onmessage = ev => {
const msg = ev.data;
switch ( msg ) {
case 'iamready!':
if ( bcBuffer === undefined ) { break; }
bcBuffer.forEach(({ type, text }) =>
bc.postMessage({ what: 'messageToLogger', type, text })
);
bcBuffer = undefined;
break;
case 'setScriptletLogLevelToOne':
safe.logLevel = 1;
break;
case 'setScriptletLogLevelToTwo':
safe.logLevel = 2;
break;
}
};
bc.postMessage('areyouready?');
return safe;
}
function validateConstantFn(trusted, raw) {
const safe = safeSelf();
const extraArgs = safe.getExtraArgs(Array.from(arguments), 2);
let value;
if ( raw === 'undefined' ) {
value = undefined;
} else if ( raw === 'false' ) {
value = false;
} else if ( raw === 'true' ) {
value = true;
} else if ( raw === 'null' ) {
value = null;
} else if ( raw === "''" || raw === '' ) {
value = '';
} else if ( raw === '[]' || raw === 'emptyArr' ) {
value = [];
} else if ( raw === '{}' || raw === 'emptyObj' ) {
value = {};
} else if ( raw === 'noopFunc' ) {
value = function(){};
} else if ( raw === 'trueFunc' ) {
value = function(){ return true; };
} else if ( raw === 'falseFunc' ) {
value = function(){ return false; };
} else if ( /^-?\d+$/.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;
}
/******************************************************************************/
const hnParts = [];
try { hnParts.push(...document.location.hostname.split('.')); }
catch(ex) { }
const hnpartslen = hnParts.length;
if ( hnpartslen === 0 ) { return; }
const todoIndices = new Set();
const tonotdoIndices = [];
// Exceptions
if ( exceptionsMap.size !== 0 ) {
for ( let i = 0; i < hnpartslen; i++ ) {
const hn = hnParts.slice(i).join('.');
const excepted = exceptionsMap.get(hn);
if ( excepted ) { tonotdoIndices.push(...excepted); }
}
exceptionsMap.clear();
}
// Hostname-based
if ( hostnamesMap.size !== 0 ) {
const collectArgIndices = hn => {
let argsIndices = hostnamesMap.get(hn);
if ( argsIndices === undefined ) { return; }
if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
for ( const argsIndex of argsIndices ) {
if ( tonotdoIndices.includes(argsIndex) ) { continue; }
todoIndices.add(argsIndex);
}
};
for ( let i = 0; i < hnpartslen; i++ ) {
const hn = hnParts.slice(i).join('.');
collectArgIndices(hn);
}
collectArgIndices('*');
hostnamesMap.clear();
}
// Entity-based
if ( entitiesMap.size !== 0 ) {
const n = hnpartslen - 1;
for ( let i = 0; i < n; i++ ) {
for ( let j = n; j > i; j-- ) {
const en = hnParts.slice(i,j).join('.');
let argsIndices = entitiesMap.get(en);
if ( argsIndices === undefined ) { continue; }
if ( typeof argsIndices === 'number' ) { argsIndices = [ argsIndices ]; }
for ( const argsIndex of argsIndices ) {
if ( tonotdoIndices.includes(argsIndex) ) { continue; }
todoIndices.add(argsIndex);
}
}
}
entitiesMap.clear();
}
// Apply scriplets
for ( const i of todoIndices ) {
try { setConstant(...argsList[i]); }
catch(ex) {}
}
argsList.length = 0;
/******************************************************************************/
};
// End of code to inject
/******************************************************************************/
// Inject code
// https://bugzilla.mozilla.org/show_bug.cgi?id=1736575
// 'MAIN' world not yet supported in Firefox, so we inject the code into
// 'MAIN' ourself when environment in Firefox.
const targetWorld = 'MAIN';
// Not Firefox
if ( typeof wrappedJSObject !== 'object' || targetWorld === 'ISOLATED' ) {
return uBOL_setConstant();
}
// Firefox
{
const page = self.wrappedJSObject;
let script, url;
try {
page.uBOL_setConstant = cloneInto([
[ '(', uBOL_setConstant.toString(), ')();' ],
{ type: 'text/javascript; charset=utf-8' },
], self);
const blob = new page.Blob(...page.uBOL_setConstant);
url = page.URL.createObjectURL(blob);
const doc = page.document;
script = doc.createElement('script');
script.async = false;
script.src = url;
(doc.head || doc.documentElement || doc).append(script);
} catch (ex) {
console.error(ex);
}
if ( url ) {
if ( script ) { script.remove(); }
page.URL.revokeObjectURL(url);
}
delete page.uBOL_setConstant;
}
/******************************************************************************/
// End of local scope
})();
/******************************************************************************/
void 0;