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@zerodytrash
zerodytrash committed Mar 27, 2022
1 parent 0b58c28 commit 2b7d848
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131 changes: 53 additions & 78 deletions dist/Simple-YouTube-Age-Restriction-Bypass.user.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
// @description:de Schaue YouTube Videos mit Altersbeschränkungen ohne Anmeldung und ohne dein Alter zu bestätigen :)
// @description:fr Regardez des vidéos YouTube avec des restrictions d'âge sans vous inscrire et sans confirmer votre âge :)
// @description:it Guarda i video con restrizioni di età su YouTube senza login e senza verifica dell'età :)
// @version 2.4.4
// @version 2.4.5
// @author Zerody (https://github.com/zerodytrash)
// @namespace https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/
// @supportURL https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/issues
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function setUrlParams(params) {
const urlParams = new URLSearchParams(window.location.search);
for (paramName in params) {
for (const paramName in params) {
urlParams.set(paramName, params[paramName]);
}
window.location.search = urlParams;
Expand Down Expand Up @@ -187,7 +187,7 @@
var str = '';
var i;
var v;
for (i = 7; i >= 0; i--) {
for (var i = 7; i >= 0; i--) {
v = val >>> i * 4 & 0x0f;
str += v.toString(16);
}
Expand Down Expand Up @@ -224,7 +224,7 @@
msg = Utf8Encode(msg);
var msg_len = msg.length;
var word_array = new Array();
for (i = 0; i < msg_len - 3; i += 4) {
for (var i = 0; i < msg_len - 3; i += 4) {
j = msg.charCodeAt(i) << 24 | msg.charCodeAt(i + 1) << 16 | msg.charCodeAt(i + 2) << 8 | msg.charCodeAt(i + 3);
word_array.push(j);
}
Expand All @@ -246,39 +246,39 @@
while (word_array.length % 16 != 14) word_array.push(0);
word_array.push(msg_len >>> 29);
word_array.push(msg_len << 3 & 0x0ffffffff);
for (blockstart = 0; blockstart < word_array.length; blockstart += 16) {
for (i = 0; i < 16; i++) W[i] = word_array[blockstart + i];
for (i = 16; i <= 79; i++) W[i] = rotate_left(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
for (var blockstart = 0; blockstart < word_array.length; blockstart += 16) {
for (var i = 0; i < 16; i++) W[i] = word_array[blockstart + i];
for (var i = 16; i <= 79; i++) W[i] = rotate_left(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
A = H0;
B = H1;
C = H2;
D = H3;
E = H4;
for (i = 0; i <= 19; i++) {
for (var i = 0; i <= 19; i++) {
temp = rotate_left(A, 5) + (B & C | ~B & D) + E + W[i] + 0x5a827999 & 0x0ffffffff;
E = D;
D = C;
C = rotate_left(B, 30);
B = A;
A = temp;
}
for (i = 20; i <= 39; i++) {
for (var i = 20; i <= 39; i++) {
temp = rotate_left(A, 5) + (B ^ C ^ D) + E + W[i] + 0x6ed9eba1 & 0x0ffffffff;
E = D;
D = C;
C = rotate_left(B, 30);
B = A;
A = temp;
}
for (i = 40; i <= 59; i++) {
for (var i = 40; i <= 59; i++) {
temp = rotate_left(A, 5) + (B & C | B & D | C & D) + E + W[i] + 0x8f1bbcdc & 0x0ffffffff;
E = D;
D = C;
C = rotate_left(B, 30);
B = A;
A = temp;
}
for (i = 60; i <= 79; i++) {
for (var i = 60; i <= 79; i++) {
temp = rotate_left(A, 5) + (B ^ C ^ D) + E + W[i] + 0xca62c1d6 & 0x0ffffffff;
E = D;
D = C;
Expand Down Expand Up @@ -315,10 +315,6 @@
return sendInnertubeRequest('v1/player', payload, requiresAuth);
}

function getNext$1(payload) {
return sendInnertubeRequest('v1/next', payload, false);
}

function getSignatureTimestamp() {
return (
getYtcfgValue('STS') ||
Expand Down Expand Up @@ -398,7 +394,8 @@
} };


// Intercept the property on any object
// Intercept the given property on any object
// The assigned attribute value and the context (enclosing object) are passed to the onSet function.
Object.defineProperty(Object.prototype, prop, {
set(value) {
setter.call(this, isObject(value) ? onSet(this, value) : value);
Expand All @@ -411,6 +408,12 @@
}

function attachInitialDataInterceptor(onInitialData) {
// And here we deal with YouTube's crappy initial data (present in page source) and the problems that occur when intercepting that data.
// YouTube has some protections in place that make it difficult to intercept and modify the global ytInitialPlayerResponse variable.
// The easiest way would be to set a descriptor on that variable to change the value directly on declaration.
// But some adblockers define their own descriptors on the ytInitialPlayerResponse variable, which makes it hard to register another descriptor on it.
// As a workaround only the relevant playerResponse property of the ytInitialPlayerResponse variable will be intercepted.
// This is achieved by defining a descriptor on the object prototype for that property, which affects any object with a `playerResponse` property.
interceptObjectProperty('playerResponse', (obj, playerResponse) => {
info(`playerResponse property set, contains sidebar: ${!!obj.response}`);

Expand All @@ -419,10 +422,20 @@

// If the script is executed too late and the bootstrap data has already been processed,
// a reload of the player can be forced by creating a deep copy of the object.
// This is especially relevant if the userscript manager does not handle the `@run-at document-start` correctly.
playerResponse.unlocked = false;
onInitialData(playerResponse);
return playerResponse.unlocked ? createDeepCopy(playerResponse) : playerResponse;
});

// The global `ytInitialData` variable can be modified on the fly.
// It contains search results, sidebar data and meta information
// Not really important but fixes https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/issues/127
window.addEventListener('DOMContentLoaded', () => {
if (isObject(window.ytInitialData)) {
onInitialData(window.ytInitialData);
}
});
}

// Intercept, inspect and modify JSON-based communication to unlock player responses by hijacking the JSON.parse function
Expand All @@ -439,7 +452,7 @@
const modifiedUrl = onXhrOpenCalled(this, method, new URL(url));

if (typeof modifiedUrl === 'string') {
url = modifiedUrl;
arguments[1] = modifiedUrl;
}
}

Expand Down Expand Up @@ -512,7 +525,7 @@

function sendRequest(endpoint, payload) {
const queryParams = new URLSearchParams(payload);
const proxyUrl = `${ACCOUNT_PROXY_SERVER_HOST}/${endpoint}?${queryParams}`;
const proxyUrl = `${ACCOUNT_PROXY_SERVER_HOST}/${endpoint}?${queryParams}&client=js`;

try {
const xmlhttp = new XMLHttpRequest();
Expand All @@ -526,7 +539,7 @@

return proxyResponse;
} catch (err) {
error(err);
error(err, 'Proxy API Error');
return { errorMessage: 'Proxy Connection failed' };
}
}
Expand Down Expand Up @@ -652,38 +665,9 @@
const hl = getYtcfgValue('HL');

return [
// Strategy 1: Retrieve the video info by using a age-gate bypass for the innertube API
// Source: https://github.com/yt-dlp/yt-dlp/issues/574#issuecomment-887171136
// 2022-02-24: No longer works properly. Sporadic error messages. YouTube seems to fix this.
{
name: 'Client Screen Embed',
requiresAuth: false,
payload: {
context: {
client: {
clientName: clientName.replace('_EMBEDDED_PLAYER', ''),
clientVersion,
clientScreen: 'EMBED',
hl },

thirdParty: {
embedUrl: 'https://www.youtube.com/' } },


playbackContext: {
contentPlaybackContext: {
signatureTimestamp } },


videoId,
startTimeSecs,
racyCheckOk: true,
contentCheckOk: true },

getPlayer: getPlayer$1 },

// Strategy 2: Retrieve the video info by using the WEB_EMBEDDED_PLAYER client
// Only usable to bypass login restrictions on a handful of low restricted videos.
// Strategy 1: Retrieve the video info by using the WEB_EMBEDDED_PLAYER client
// Only usable to bypass login restrictions on a handful of low restricted videos (Tier 1).
// See https://github.com/yt-dlp/yt-dlp/pull/575#issuecomment-888837000
{
name: 'Embedded Player',
requiresAuth: false,
Expand Down Expand Up @@ -712,7 +696,8 @@

getPlayer: getPlayer$1 },

// Strategy 3: Retrieve the video info by using the WEB_CREATOR client in combination with user authentication
// Strategy 2: Retrieve the video info by using the WEB_CREATOR client in combination with user authentication
// Requires that the user is logged in. Can bypass the tightened age verification in the EU.
// See https://github.com/yt-dlp/yt-dlp/pull/600
{
name: 'Creator + Auth',
Expand All @@ -737,7 +722,8 @@

getPlayer: getPlayer$1 },

// Strategy 4: Retrieve the video info from an account proxy server.
// Strategy 3: Retrieve the video info from an account proxy server.
// Session cookies of an age-verified Google account are stored on server side.
// See https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/tree/main/account-proxy
{
name: 'Account Proxy',
Expand Down Expand Up @@ -813,7 +799,7 @@

const unlockStrategies = getPlayerUnlockStrategies(playerResponse);

let unlockedPlayerResponse;
let unlockedPlayerResponse = {};

// Try every strategy until one of them works
unlockStrategies.every((strategy, index) => {var _unlockedPlayerRespon6, _unlockedPlayerRespon7;
Expand All @@ -825,7 +811,11 @@

info(`Trying Player Unlock Method #${index + 1} (${strategy.name})`);

unlockedPlayerResponse = strategy.getPlayer(strategy.payload, strategy.requiresAuth);
try {
unlockedPlayerResponse = strategy.getPlayer(strategy.payload, strategy.requiresAuth);
} catch (err) {
error(err, `Player Unlock Method ${index + 1} failed with exception`);
}

return !VALID_PLAYABILITY_STATUSES.includes((_unlockedPlayerRespon6 = unlockedPlayerResponse) === null || _unlockedPlayerRespon6 === void 0 ? void 0 : (_unlockedPlayerRespon7 = _unlockedPlayerRespon6.playabilityStatus) === null || _unlockedPlayerRespon7 === void 0 ? void 0 : _unlockedPlayerRespon7.status);
});
Expand All @@ -845,27 +835,8 @@
const hl = getYtcfgValue('HL');

return [
// Strategy 1: Retrieve the sidebar and video description by using a age-gate bypass for the innertube API
// Source: https://github.com/yt-dlp/yt-dlp/issues/574#issuecomment-887171136
{
name: 'Embed',
payload: {
context: {
client: {
clientName,
clientVersion,
clientScreen: 'EMBED',
hl },

thirdParty: {
embedUrl: 'https://www.youtube.com/' } },


videoId },

getNext: getNext$1 },

// Strategy 2: Retrieve the sidebar and video description from an account proxy server.
// Strategy 1: Retrieve the sidebar and video description from an account proxy server.
// Session cookies of an age-verified Google account are stored on server side.
// See https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass/tree/main/account-proxy
{
name: 'Account Proxy',
Expand Down Expand Up @@ -906,13 +877,17 @@

const unlockStrategies = getNextUnlockStrategies(nextResponse);

let unlockedNextResponse;
let unlockedNextResponse = {};

// Try every strategy until one of them works
unlockStrategies.every((strategy, index) => {
info(`Trying Sidebar Unlock Method #${index + 1} (${strategy.name})`);

unlockedNextResponse = strategy.getNext(strategy.payload);
try {
unlockedNextResponse = strategy.getNext(strategy.payload);
} catch (err) {
error(err, `Sidebar Unlock Method ${index + 1} failed with exception`);
}

return isWatchNextSidebarEmpty(unlockedNextResponse);
});
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4 changes: 2 additions & 2 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -2,7 +2,7 @@
"type": "module",
"name": "simple-youtube-age-restriction-bypass",
"description": "A simple userscript to bypass YouTube's age verification and watch age restricted videos without having to sign in.",
"version": "2.4.4",
"version": "2.4.5",
"repository": {
"type": "git",
"url": "git+https://github.com/zerodytrash/Simple-YouTube-Age-Restriction-Bypass.git"
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