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Fix #6261: Add back bundled youtube adblock script
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163 changes: 163 additions & 0 deletions
163
...nd/UserContent/UserScripts/Scripts_Dynamic/Scripts/DomainSpecific/Paged/YoutubeAdblock.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| // Copyright 2022 The Brave Authors. All rights reserved. | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
|
||
| // PruneJS | ||
| (function() { | ||
| const prunePaths = ['playerResponse.adPlacements', 'playerResponse.playerAds', 'adPlacements', 'playerAds']; | ||
| const findOwner = function(root, path) { | ||
| let owner = root; | ||
| let chain = path; | ||
| while(true) { | ||
| if (owner instanceof Object === false) { return; } | ||
| const pos = chain.indexOf('.'); | ||
| if (pos === -1) { | ||
| return owner.hasOwnProperty(chain)? [owner, chain]: undefined; | ||
| } | ||
| const prop = chain.slice(0, pos); | ||
| if (owner.hasOwnProperty(prop) === false) { return; } | ||
| owner = owner[prop]; | ||
| chain = chain.slice(pos + 1); | ||
| } | ||
| }; | ||
|
|
||
| JSON.parse = new Proxy(JSON.parse, { | ||
| apply: function() { | ||
| const r = Reflect.apply(...arguments); | ||
| for (const path of prunePaths) { | ||
| const details = findOwner(r, path); | ||
| if (details !== undefined) { | ||
| delete details[0][details[1]]; | ||
| } | ||
| } | ||
| return r; | ||
| }, | ||
| }); | ||
| })(); | ||
|
|
||
| /// SetJS | ||
| (function() { | ||
| const setJS = function(chain, cValue) { | ||
| const thisScript = document.currentScript; | ||
| if (cValue === 'undefined') { | ||
| cValue = undefined; | ||
| } else if (cValue === 'false') { | ||
| cValue = false; | ||
| } else if (cValue === 'true') { | ||
| cValue = true; | ||
| } else if (cValue === 'null') { | ||
| cValue = null; | ||
| } else if (cValue === 'noopFunc') { | ||
| cValue = function(){}; | ||
| } else if (cValue === 'trueFunc') { | ||
| cValue = function(){ return true; }; | ||
| } else if (cValue === 'falseFunc') { | ||
| cValue = function(){ return false; }; | ||
| } else if (/^\d+$/.test(cValue)) { | ||
| cValue = parseFloat(cValue); | ||
| if (isNaN(cValue)) { return; } | ||
| if (Math.abs(cValue) > 0x7FFF) { return; } | ||
| } else if (cValue === "''") { | ||
| cValue = ''; | ||
| } else { | ||
| return; | ||
| } | ||
|
|
||
| let aborted = false; | ||
| const mustAbort = function(v) { | ||
| if (aborted) { return true; } | ||
| aborted = | ||
| (v !== undefined && v !== null) && | ||
| (cValue !== undefined && cValue !== null) && | ||
| (typeof v !== typeof cValue); | ||
| return aborted; | ||
| }; | ||
|
|
||
| // https://github.com/uBlockOrigin/uBlock-issues/issues/156 | ||
| // Support multiple trappers for the same property. | ||
| const trapProp = function(owner, prop, handler) { | ||
| if (handler.init(owner[prop]) === false) { return; } | ||
| const odesc = Object.getOwnPropertyDescriptor(owner, prop); | ||
| let prevGetter, prevSetter; | ||
| if (odesc instanceof Object) { | ||
| if (odesc.get instanceof Function) { | ||
| prevGetter = odesc.get; | ||
| } | ||
| if (odesc.set instanceof Function) { | ||
| prevSetter = odesc.set; | ||
| } | ||
| } | ||
|
|
||
| Object.defineProperty(owner, prop, { | ||
| configurable: true, | ||
| get() { | ||
| if (prevGetter !== undefined) { | ||
| prevGetter(); | ||
| } | ||
| return handler.getter(); | ||
| }, | ||
| set(a) { | ||
| if (prevSetter !== undefined) { | ||
| prevSetter(a); | ||
| } | ||
| handler.setter(a); | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| const trapChain = function(owner, chain) { | ||
| const pos = chain.indexOf('.'); | ||
| if (pos === -1) { | ||
| trapProp(owner, chain, { | ||
| v: undefined, | ||
| init: function(v) { | ||
| if (mustAbort(v)) { return false; } | ||
| this.v = v; | ||
| return true; | ||
| }, | ||
| getter: function() { | ||
| return document.currentScript === thisScript | ||
| ? this.v | ||
| : cValue; | ||
| }, | ||
| setter: function(a) { | ||
| if (mustAbort(a) === false) { return; } | ||
| cValue = a; | ||
| } | ||
| }); | ||
| return; | ||
| } | ||
|
|
||
| const prop = chain.slice(0, pos); | ||
| const v = owner[prop]; | ||
| chain = chain.slice(pos + 1); | ||
| if (v instanceof Object || typeof v === 'object' && v !== null) { | ||
| trapChain(v, chain); | ||
| return; | ||
| } | ||
|
|
||
| trapProp(owner, prop, { | ||
| v: undefined, | ||
| init: function(v) { | ||
| this.v = v; | ||
| return true; | ||
| }, | ||
| getter: function() { | ||
| return this.v; | ||
| }, | ||
| setter: function(a) { | ||
| this.v = a; | ||
| if (a instanceof Object) { | ||
| trapChain(a, chain); | ||
| } | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| trapChain(window, chain); | ||
| }; | ||
|
|
||
| setJS('ytInitialPlayerResponse.adPlacements', 'undefined'); | ||
| setJS('playerResponse.adPlacements', 'undefined'); | ||
| })(); |
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