/******************************************************************************* 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: fin-0 /******************************************************************************/ // Important! // Isolate from global scope // Start of local scope (( ) => { /******************************************************************************/ // Start of code to inject const uBOL_jsonPruneFetchResponse = function() { const scriptletGlobals = {}; // jshint ignore: line const argsList = [["bumpers","","propsToMatch","url:/playback2.a2d.tv\\/play/"]]; const hostnamesMap = new Map([["mtv.fi",0],["mtvuutiset.fi",0]]); const entitiesMap = new Map([]); const exceptionsMap = new Map([]); /******************************************************************************/ function jsonPruneFetchResponse(...args) { jsonPruneFetchResponseFn(...args); } 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 }); } 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; } 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; } } 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; } 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 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+\)?$/; const lines = []; for ( let line of error.stack.split(/[\n\r]+/) ) { if ( line.includes(exceptionToken) ) { continue; } line = line.trim(); const match = safe.RegExp_exec.call(reLine, line); if ( match === null ) { continue; } let url = match[2]; if ( url.startsWith('(') ) { url = url.slice(1); } if ( url === docURL.href ) { url = 'inlineScript'; } else if ( url.startsWith('') ) { url = 'injectedScript'; } let fn = match[1] !== undefined ? match[1].slice(0, -1) : line.slice(0, match.index).trim(); if ( fn.startsWith('at') ) { fn = fn.slice(2).trim(); } let rowcol = match[3]; lines.push(' ' + `${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; } 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); } } function getExceptionToken() { const safe = safeSelf(); const token = String.fromCharCode(Date.now() % 26 + 97) + safe.Math_floor(safe.Math_random() * 982451653 + 982451653).toString(36); const oe = self.onerror; self.onerror = function(msg, ...args) { if ( typeof msg === 'string' && msg.includes(token) ) { return true; } if ( oe instanceof Function ) { return oe.call(this, msg, ...args); } }.bind(); return token; } /******************************************************************************/ 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 { jsonPruneFetchResponse(...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_jsonPruneFetchResponse(); } // Firefox { const page = self.wrappedJSObject; let script, url; try { page.uBOL_jsonPruneFetchResponse = cloneInto([ [ '(', uBOL_jsonPruneFetchResponse.toString(), ')();' ], { type: 'text/javascript; charset=utf-8' }, ], self); const blob = new page.Blob(...page.uBOL_jsonPruneFetchResponse); 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_jsonPruneFetchResponse; } /******************************************************************************/ // End of local scope })(); /******************************************************************************/ void 0;