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

468 lines
18 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: default
/******************************************************************************/
// Important!
// Isolate from global scope
// Start of local scope
(( ) => {
/******************************************************************************/
// Start of code to inject
const uBOL_xmlPrune = function() {
const scriptletGlobals = {}; // jshint ignore: line
const argsList = [["VAST","","adnxs"],["xpath(//*[name()=\"MPD\"]/@mediaPresentationDuration | //*[name()=\"Period\"][.//*[name()=\"BaseURL\" and contains(text(),'/ads-')]] | //*[name()=\"Period\"]/@start)","Period[id^=\"Ad\"i]",".mpd"],["xpath(//*[name()=\"Period\"][.//*[@value=\"Ad\"]] | //*[name()=\"Period\"]/@start)","[value=\"Ad\"]",".mpd"],["VAST","","barstoolsports.com"],["xpath(//*[name()=\"Period\"][.//*[name()=\"AdaptationSet\"][@contentType=\"video\"][not(@bitstreamSwitching=\"true\")]])","",".mpd"],["xpath(//*[name()=\"MPD\"][.//*[name()=\"BaseURL\" and contains(text(),'dash_clear_fmp4') and contains(text(),'/a/')]]/@mediaPresentationDuration | //*[name()=\"Period\"][./*[name()=\"BaseURL\" and contains(text(),'dash_clear_fmp4') and contains(text(),'/a/')]])","",".mpd"],["Period[id*=\"-roll-\"][id*=\"-ad-\"]","","pubads.g.doubleclick.net/ondemand"],["xpath(//*[name()=\"Period\"][not(.//*[name()=\"SegmentTimeline\"])][not(.//*[name()=\"ContentProtection\"])] | //*[name()=\"Period\"][./*[name()=\"BaseURL\"]][not(.//*[name()=\"ContentProtection\"])])","",".mpd"],["xpath(//*[name()=\"MPD\"]/@mediaPresentationDuration | //*[name()=\"Period\"]/@start | //*[name()=\"Period\"][.//*[name()=\"BaseURL\" and contains(text(),'adease')]])","[media^=\"A_D/\"]",".mpd"],["xpath(//*[name()=\"Period\"][.//*[name()=\"BaseURL\" and contains(text(),'/ad/')]])","",".mpd"]];
const hostnamesMap = new Map([["imasdk.googleapis.com",[0,3]],["hulu.com",1],["www.amazon.co.jp",2],["www.amazon.co.uk",2],["www.amazon.com",2],["www.amazon.de",2],["www.primevideo.com",2],["vix.com",4],["go.discovery.com",5],["investigationdiscovery.com",5],["go.tlc.com",5],["sciencechannel.com",5],["cbs.com",6],["paramountplus.com",6],["play.max.com",7],["foxtel.com.au",8],["serially.it",9]]);
const entitiesMap = new Map([["discoveryplus",5]]);
const exceptionsMap = new Map([]);
/******************************************************************************/
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);
}
});
}
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;
}
/******************************************************************************/
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 { xmlPrune(...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_xmlPrune();
}
// Firefox
{
const page = self.wrappedJSObject;
let script, url;
try {
page.uBOL_xmlPrune = cloneInto([
[ '(', uBOL_xmlPrune.toString(), ')();' ],
{ type: 'text/javascript; charset=utf-8' },
], self);
const blob = new page.Blob(...page.uBOL_xmlPrune);
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_xmlPrune;
}
/******************************************************************************/
// End of local scope
})();
/******************************************************************************/
void 0;