chore: format code

.github/workflows/node.js.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 15.x]
+        node-version: [ 12.x, 14.x, 15.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:

README.md

@@ -8,18 +8,19 @@ An object-oriented wrapper around the Innertube API, which is what YouTube itsel
 
 #### What can it do?
 
-As of now, this is one of the most advanced & stable YouTube libraries out there, and it can: 
+As of now, this is one of the most advanced & stable YouTube libraries out there, here's a short summary of what it can do: 
 
-- Search
-- Get detailed info about videos
+- Search videos
+- Get detailed info about any video
 - Fetch live chat & live stats in real time
 - Fetch notifications
+- Fetch subscriptions feed
 - Change notifications preferences for a channel
 - Subscribe/Unsubscribe/Like/Dislike/Comment
-- Easily sign into your account without having to use cookies!
+- Easily sign into your account in an easy & reliable way.
 - Last but not least, you can also download videos!
 
-Do note that you must be signed-in to perform actions that involve an account, like commenting, subscribing, sending messages to a live chat, etc.
+Do note that you must be signed-in to perform actions that involve an account, such as commenting, subscribing, sending messages to a live chat, etc.
 
 #### Do I need an API key to use this?
 
@@ -127,7 +128,7 @@ const search = await youtube.search('Looking for life on Mars - Documentary');
 
 
 
-Getting details about a specific video:
+Get details about a specific video:
 
 ```js
 const video = await youtube.getDetails(search.videos[0].id);
@@ -187,8 +188,271 @@ const video = await youtube.getDetails(search.videos[0].id);
 </p>
 </details>
 
+Get comments:
 
-Fetching notifications:
+```js
+const video = await youtube.getDetails(VIDEO_ID_HERE);
+const comments = await video.getComments();
+
+// If you want to load more comments simply call:
+const comments_continuation = await comments.getContinuation();
+```
+
+<details>
+<summary>Output</summary>
+<p>
+
+```js
+{
+   "comments":[
+      {
+         "text":"The amazing thing to me is the engineering. It's truly remarkable that we can build machines like these.",
+         "author":{
+            "name":"Mark B",
+            "thumbnail":[
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLTKxmup9YqNEMvf-nSdOe7F6CwWhUtu4mpUsg=s48-c-k-c0x00ffffff-no-rj",
+                  "width":48,
+                  "height":48
+               },
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLTKxmup9YqNEMvf-nSdOe7F6CwWhUtu4mpUsg=s88-c-k-c0x00ffffff-no-rj",
+                  "width":88,
+                  "height":88
+               },
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLTKxmup9YqNEMvf-nSdOe7F6CwWhUtu4mpUsg=s176-c-k-c0x00ffffff-no-rj",
+                  "width":176,
+                  "height":176
+               }
+            ],
+            "channel_id":"UClnPXUOtCLnKsbS2reuN7wg"
+         },
+         "metadata":{
+            "published":"2 months ago",
+            "is_liked":false,
+            "is_channel_owner":false,
+            "like_count":"54",
+            "reply_count":3,
+            "id":"Ugy-bGGepYil_2dAQUp4AaABAg"
+         }
+      },
+      {
+         "text":"May 25th,  2021 and everything has gone perfectly! Ingenuity,  moxy and perseverance all working to plan.  Unbelievable accomplishments!!!",
+         "author":{
+            "name":"cliff luebke",
+            "thumbnail":[
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLR1_6jvPZa_ycrkUEVxVxo0Alo25e7O8fOcm5v9ww=s48-c-k-c0x00ffffff-no-rj",
+                  "width":48,
+                  "height":48
+               },
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLR1_6jvPZa_ycrkUEVxVxo0Alo25e7O8fOcm5v9ww=s88-c-k-c0x00ffffff-no-rj",
+                  "width":88,
+                  "height":88
+               },
+               {
+                  "url":"https://yt3.ggpht.com/ytc/AKedOLR1_6jvPZa_ycrkUEVxVxo0Alo25e7O8fOcm5v9ww=s176-c-k-c0x00ffffff-no-rj",
+                  "width":176,
+                  "height":176
+               }
+            ],
+            "channel_id":"UCeVFeX4jCgaJpvNJ4f_I4RA"
+         },
+         "metadata":{
+            "published":"4 months ago",
+            "is_liked":false,
+            "is_channel_owner":false,
+            "like_count":"54",
+            "reply_count":0,
+            "id":"UgylkZHOe7v78hxHPpl4AaABAg"
+         }
+      },
+      //...
+   ],
+   "comment_count":"3,231" // not available in continuations
+}
+```
+
+</p>
+</details>
+
+Get subscriptions feed:
+```js
+const mysubfeed = await youtube.getSubscriptionsFeed();
+```
+
+<details>
+<summary>Output</summary>
+<p>
+
+```js
+{
+   "today":[
+      {
+         "title":"Life As My P*nis",
+         "id":"udDINILQH10",
+         "channel":"penguinz0",
+         "metadata":{
+            "view_count":"220,432 views",
+            "thumbnail":[
+               {
+                  "url":"https://i.ytimg.com/vi/udDINILQH10/hqdefault.jpg?sqp=-oaymwEbCNIBEHZIVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLAQ7bbeUhCxRSg-g-CPek-soixUMQ",
+                  "width":210,
+                  "height":118
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/udDINILQH10/hqdefault.jpg?sqp=-oaymwEcCPYBEIoBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLB6fuvBJMeLtkM0TLkZwharsyojjA",
+                  "width":246,
+                  "height":138
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/udDINILQH10/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDd7BncH1QuZD-Hada_n6dAVRTnmg",
+                  "width":336,
+                  "height":188
+               }
+            ],
+            "published":"2 hours ago",
+            "badges":"N/A",
+            "owner_badges":[
+               "Verified"
+            ]
+         }
+      },
+      {
+         "title":"Perseverance and Ingenuity went two weeks without contacting Earth",
+         "id":"VsmYZMVCHuc",
+         "channel":"Mars Guy",
+         "metadata":{
+            "view_count":"2,633 views",
+            "thumbnail":[
+               {
+                  "url":"https://i.ytimg.com/vi/VsmYZMVCHuc/hqdefault.jpg?sqp=-oaymwEbCNIBEHZIVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLA0-vwAgpFbMO1zG4HTzdHZey1kZQ",
+                  "width":210,
+                  "height":118
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/VsmYZMVCHuc/hqdefault.jpg?sqp=-oaymwEcCPYBEIoBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLBtM3W-RXsCfPnxgnrktaBkiL9zzg",
+                  "width":246,
+                  "height":138
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/VsmYZMVCHuc/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDTil7At4FUVYeSNySOoFoKlPXWSA",
+                  "width":336,
+                  "height":188
+               }
+            ],
+            "published":"15 hours ago",
+            "badges":"N/A",
+            "owner_badges":"N/A"
+         }
+      }
+      //...
+   ],
+   "yesterday":[
+      {
+         "title":"Fortnite - S.T.A.R.S (Resident Evil) | PS5, PS4",
+         "id":"-ZLEQOVbWD4",
+         "channel":"PlayStation",
+         "metadata":{
+            "view_count":"157,197 views",
+            "thumbnail":[
+               {
+                  "url":"https://i.ytimg.com/vi/-ZLEQOVbWD4/hqdefault.jpg?sqp=-oaymwEbCNIBEHZIVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLAeA1fLzsEA0ZIouNJuMDJOqOc9Ng",
+                  "width":210,
+                  "height":118
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/-ZLEQOVbWD4/hqdefault.jpg?sqp=-oaymwEcCPYBEIoBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDzvhxJ6m2ztykk2ezNH2Din33hEw",
+                  "width":246,
+                  "height":138
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/-ZLEQOVbWD4/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDo67DvnaiKzOVfNm9lJg_Edd1UDQ",
+                  "width":336,
+                  "height":188
+               }
+            ],
+            "published":"1 day ago",
+            "badges":"N/A",
+            "owner_badges":[
+               "Verified"
+            ]
+         }
+      },
+      //...
+   ],
+   "this_week":[
+      {
+         "title":"Horrible $100 Million Gold Mansion",
+         "id":"F-d3CEYJyrg",
+         "channel":"penguinz0",
+         "metadata":{
+            "view_count":"693,041 views",
+            "thumbnail":[
+               {
+                  "url":"https://i.ytimg.com/vi/F-d3CEYJyrg/hqdefault.jpg?sqp=-oaymwEbCNIBEHZIVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLDdMMGG-50O4U5uIcoZ2FoiO6Mopg",
+                  "width":210,
+                  "height":118
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/F-d3CEYJyrg/hqdefault.jpg?sqp=-oaymwEcCPYBEIoBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAwqMy1ekLaxWGnjWwCJl7z7Nw2aQ",
+                  "width":246,
+                  "height":138
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/F-d3CEYJyrg/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLADaPBg0vh52e6clHvUf5otBZO9HA",
+                  "width":336,
+                  "height":188
+               }
+            ],
+            "published":"2 days ago",
+            "badges":"N/A",
+            "owner_badges":[
+               "Verified"
+            ]
+         }
+      },
+      {
+         "title":"OOopsieeee",
+         "id":"mJ2WOIhEPm8",
+         "channel":"PewDiePie",
+         "metadata":{
+            "view_count":"1,953,970 views",
+            "thumbnail":[
+               {
+                  "url":"https://i.ytimg.com/vi/mJ2WOIhEPm8/hqdefault.jpg?sqp=-oaymwEbCNIBEHZIVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLCrJe2a6rasJICj_jchMquZ2YGVrQ",
+                  "width":210,
+                  "height":118
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/mJ2WOIhEPm8/hqdefault.jpg?sqp=-oaymwEcCPYBEIoBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCpxERsiLJayuKegeb5mHw3Ok6wGA",
+                  "width":246,
+                  "height":138
+               },
+               {
+                  "url":"https://i.ytimg.com/vi/mJ2WOIhEPm8/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAlRLjypimzrE3GD_iGYDGwTlCGvA",
+                  "width":336,
+                  "height":188
+               }
+            ],
+            "published":"2 days ago",
+            "badges":"N/A",
+            "owner_badges":[
+               "Verified"
+            ]
+         }
+      },
+      //...
+   ]
+}
+```
+
+</p>
+</details>
+
+Get notifications:
 
 ```js
 const notifications = await youtube.getNotifications();
@@ -229,7 +493,7 @@ const notifications = await youtube.getNotifications();
 
 ---
 
-* Subscribing/Unsubscribing to channels:
+* Subscribe/Unsubscribe:
 ```js
 const video = await youtube.getDetails(VIDEO_ID_HERE); // this is equivalent to opening the watch page on YouTube
 
@@ -237,7 +501,7 @@ await video.subscribe();
 await video.unsubscribe();
 ```
 
-* Liking/Disliking:
+* Like/Dislike:
 ```js
 const video = await youtube.getDetails(VIDEO_ID_HERE); // this is equivalent to opening the watch page on YouTube
 
@@ -246,24 +510,23 @@ await video.dislike();
 await video.removeLike(); // removes either a like or dislike
 ```
 
-* Commenting:
+* Comment:
 ```js
 const video = await youtube.getDetails(VIDEO_ID_HERE);
 await video.comment('Haha, nice!');
 ```
 
-* Changing notification preferences:
+* Change notification preferences:
 ```js
 const video = await youtube.getDetails(VIDEO_ID_HERE);
 await video.setNotificationPref('ALL'); // ALL | NONE | PERSONALIZED
 ```
 
-All of the interactions above will return ```{ success: true, status_code: 200 }``` if everything goes alright.
-
+All of the above interactions will return ```{ success: true, status_code: 200 }``` if everything goes alright.
 
 ### Fetching live chats:
 ---
-YouTube.js isn't able to download live content yet, but it does allow you to fetch live chats in an easy way plus you can also send messages!
+YouTube.js isn't able to download live content yet, but it does allow you to fetch live chats plus you can also send messages!
 ```js
 const Innertube = require('youtubei.js');
 
@@ -285,7 +548,7 @@ async function start() {
   livechat.on('chat-update', (message) => {
     console.info(`- ${message.author.name}\n${message.text}\n\n`);
     
-    If(message.text == '!info') {
+    if(message.text == '!info') {
       livechat.sendMessage('Hello! This message was sent from YouTube.js');
     }
   });
@@ -293,6 +556,11 @@ async function start() {
 
 start();
 ```
+Stop fetching the live chat:
+```js
+livechat.stop();
+```
+
 Deleting a message:
 ```js
 const msg = await livechat.sendMessage('Nice live!');
@@ -302,6 +570,8 @@ await msg.deleteMessage();
 ### Downloading videos:
 ---
 
+YouTube.js provides an easy-to-use and simple downloader:
+
 ```js
 const fs = require('fs');
 const Innertube = require('youtubei.js');
@@ -356,7 +626,7 @@ This library allows you to sign-in in two different ways:
 - Using OAuth 2.0, easy, simple & reliable.
 - Cookies, usually more complicated to get and unreliable.
 
-OAuth 2.0:
+OAuth:
 
 ```js
 const fs = require('fs');

examples/index.js

@@ -9,10 +9,15 @@ async function start() {
   // Searching, getting details about videos & making interactions:
   const search = await youtube.search('Looking for life on Mars - documentary');
   console.info('Search results:', search);
-
-  const video = await youtube.getDetails(search.videos[0].id);
+  
+  if (search.videos.length === 0) 
+    return console.error('Could not find any video about that on YouTube.');
+  
+  const video = await youtube.getDetails(search.videos[0].id).catch((error) => error);
   console.info('Video details:', video);
-  if (video.error) return;
+ 
+  if (video instanceof Error) 
+    return console.error('Could not get details for ' + search.videos[0].title);
   
   if (youtube.logged_in) {
     const myNotifications = await youtube.getNotifications();

lib/Actions.js

@@ -3,9 +3,10 @@
 const Axios = require('axios');
 const Utils = require('./Utils');
 const Constants = require('./Constants');
+const Uuid = require('uuid');
 
 async function engage(session, engagement_type, args = {}) {
-  if (!session.logged_in) throw new Error('You must be signed-in to interact with a video/channel');
+  if (!session.logged_in) throw new Error('You are not logged in');
   let data = {};
   switch (engagement_type) {
     case 'like/like':
@@ -29,7 +30,7 @@ async function engage(session, engagement_type, args = {}) {
       data = {
         context: session.context,
         commentText: args.text,
-        createCommentParams: Utils.encodeVideoId(args.video_id)
+        createCommentParams: Utils.generateCommentParams(args.video_id)
       };
       break;
     default:
@@ -43,15 +44,37 @@ async function engage(session, engagement_type, args = {}) {
   };
 }
 
+async function browse(session, action_type) {
+  if (!session.logged_in) throw new Error('You are not logged in');
+  let data;
+  switch (action_type) {
+    case 'subscriptions_feed':
+      data = {
+        context: session.context,
+        browseId: 'FEsubscriptions'
+      };
+      break;
+    default:
+  }
+
+  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/browse${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session })).catch((error) => error);
+  if (response instanceof Error) return { success: false, status_code: response.response.status, message: response.message };
+  return {
+    success: true,
+    status_code: response.status,
+    data: response.data
+  };
+}
+
 async function notifications(session, action_type, args = {}) {
-  if (!session.logged_in) throw new Error('You must be logged in to fetch notifications');
+  if (!session.logged_in) throw new Error('You are not logged in');
   let data;
   switch (action_type) {
     case 'modify_channel_preference':
-      let pref_types = { ALL: 0, NONE: 1, PERSONALIZED: 2 };
+      let pref_types = { PERSONALIZED: 1, ALL: 2, NONE: 3 };
       data = {
         context: session.context,
-        params: Utils.encodeChannelId(args.channel_id, pref_types[args.pref.toUpperCase()])
+        params: Utils.encodeNotificationPref(args.channel_id, pref_types[args.pref.toUpperCase()])
       };
       break;
     case 'get_notification_menu':
@@ -68,7 +91,7 @@ async function notifications(session, action_type, args = {}) {
     default:
   }
 
-  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/notification/${action_type}${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session, data, desktop: true })).catch((error) => error);
+  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/notification/${action_type}${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session })).catch((error) => error);
   if (response instanceof Error) return { success: false, status_code: response.response.status, message: response.message };
   if (action_type === 'modify_channel_preference') return { success: true, status_code: response.status };
   return {
@@ -78,6 +101,42 @@ async function notifications(session, action_type, args = {}) {
   };
 }
 
+async function livechat(session, action_type, args = {}) {
+  let data;
+  switch (action_type) {
+    case 'live_chat/send_message':
+      data = {
+        context: session.context,
+        params: Utils.generateMessageParams(args.channel_id, args.video_id),
+        clientMessageId: `INntLiB${Uuid.v4()}`,
+        richMessage: {
+          textSegments: [{ text: args.text }]
+        }
+      };
+      break;
+    case 'live_chat/get_item_context_menu':
+      data = {
+        context: session.context
+      };
+      break;
+    case 'live_chat/moderate':
+      data = {
+        context: session.context,
+        params: args.cmd_params
+      };
+      break;
+    default:
+  }
+
+  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/${action_type}${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session, params: args.params })).catch((error) => error);
+  if (response instanceof Error) return { success: false, status_code: response.response.status, message: response.message };
+  return {
+    success: true,
+    status_code: response.status,
+    data: response.data
+  };
+}
+
 async function getContinuation(session, info = {}) {
   let data = { context: session.context };
 
@@ -97,7 +156,7 @@ async function getContinuation(session, info = {}) {
     data.captionsRequested = false;
   }
 
-  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/next${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session, data, desktop: true })).catch((error) => error);
+  const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/next${session.logged_in && session.cookie.length < 1 ? '' : `?key=${session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session })).catch((error) => error);
   if (response instanceof Error) return { success: false, status_code: response.response.status, message: response.message };
   return {
     success: true,
@@ -106,4 +165,4 @@ async function getContinuation(session, info = {}) {
   };
 }
 
-module.exports = { engage, notifications, getContinuation };
+module.exports = { engage, browse, notifications, livechat, getContinuation };

lib/Constants.js

@@ -43,6 +43,7 @@ const default_headers = (session) => {
 const innertube_request_opts = (info) => {
   if (info.desktop === undefined) info.desktop = true;
   let req_opts = {
+    params: info.params || {},
     headers: {
       'accept': '*/*',
       'user-agent': Utils.getRandomUserAgent(info.desktop ? 'desktop' : 'mobile').userAgent,
@@ -63,10 +64,6 @@ const innertube_request_opts = (info) => {
     req_opts.headers.authorization = info.session.cookie.length < 1 ? `Bearer ${info.session.access_token}` : info.session.auth_apisid;
   }
 
-  if (info.data) {
-    req_opts.headers['content-length'] = Buffer.byteLength(JSON.stringify(info.data), 'utf8');
-  }
-
   if (info.id) {
     req_opts.headers.referer = (info.desktop ? urls.YT_BASE_URL : urls.YT_MOBILE_URL) + '/watch?v=' + info.id;
   }
@@ -161,17 +158,16 @@ const formatVideoData = (data, context, desktop) => {
     video_details.description = data[2].playerResponse.videoDetails.shortDescription;
     video_details.thumbnail = data[2].playerResponse.videoDetails.thumbnail.thumbnails.slice(-1)[0];
 
-    // Actions
+    // Functions
     video_details.like = () => {};
     video_details.dislike = () => {};
     video_details.removeLike = () => {};
     video_details.subscribe = () => {};
     video_details.unsubscribe = () => {};
     video_details.comment = () => {};
+    video_details.getComments = () => {};
     video_details.setNotificationPref = () => {};
-    if (metadata.is_live_content) {
-      video_details.getLivechat = () => {};
-    }
+    video_details.getLivechat = () => {};
 
     // Additional metadata
     video_details.metadata = metadata;
@@ -179,7 +175,14 @@ const formatVideoData = (data, context, desktop) => {
   return video_details;
 };
 
-const filters = (order) => { // TODO: Refactor this crazy thing
+
+const base64_alphabet = {
+  normal: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'.split(''),
+  reverse: '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_'.split('')
+};
+
+const filters = (order) => {
+  // TODO: Refactor this with protobuf encoding
   switch (order) {
     case 'any,any,relevance':
       return 'EgIQAQ%3D%3D';
@@ -329,4 +332,4 @@ const filters = (order) => { // TODO: Refactor this crazy thing
   }
 };
 
-module.exports = { urls, oauth, oauth_reqopts, default_headers, innertube_request_opts, video_details_reqbody, stream_headers, formatVideoData, filters };
+module.exports = { urls, oauth, oauth_reqopts, default_headers, innertube_request_opts, video_details_reqbody, stream_headers, formatVideoData, base64_alphabet, filters };

lib/Innertube.js

@@ -5,6 +5,7 @@ const Stream = require('stream');
 const OAuth = require('./OAuth');
 const Utils = require('./Utils');
 const Player = require('./Player');
+const NToken = require('./NToken');
 const Actions = require('./Actions');
 const Livechat = require('./Livechat');
 const Constants = require('./Constants');
@@ -145,6 +146,8 @@ class Innertube extends EventEmitter {
       const data_continuation = await Actions.getContinuation(this, { video_id: id });
       if (!data_continuation.data.contents.twoColumnWatchNextResults.conversationBar) return;
       video_data.getLivechat = () => new Livechat(this, data_continuation.data.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer.continuations[0].reloadContinuationData.continuation, video_data.metadata.channel_id, id);
+    } else {
+      video_data.getLivechat = () => {};
     }
 
     video_data.like = () => Actions.engage(this, 'like/like', { video_id: id });
@@ -153,13 +156,102 @@ class Innertube extends EventEmitter {
     video_data.subscribe = () => Actions.engage(this, 'subscription/subscribe', { video_id: id, channel_id: video_data.metadata.channel_id });
     video_data.unsubscribe = () => Actions.engage(this, 'subscription/unsubscribe', { video_id: id, channel_id: video_data.metadata.channel_id });
     video_data.comment = text => Actions.engage(this, 'comment/create_comment', { video_id: id, text });
+    video_data.getComments = () => this.getComments(id);
     video_data.setNotificationPref = pref => Actions.notifications(this, 'modify_channel_preference', { channel_id: video_data.metadata.channel_id, pref: pref || 'NONE' });
 
     return video_data;
   }
 
+  async getComments(video_id, token) {
+    let comment_section_token;
+
+    if (!token) {
+      const data_continuation = await Actions.getContinuation(this, { video_id });
+      const item_section_renderer = data_continuation.data.contents.twoColumnWatchNextResults.results.results.contents.find((item) => item.itemSectionRenderer);
+      comment_section_token = item_section_renderer.itemSectionRenderer.contents[0].continuationItemRenderer.continuationEndpoint.continuationCommand.token;
+    }
+
+    const response = await Actions.getContinuation(this, { continuation_token: comment_section_token || token });
+    if (!response.success) throw new Error('Could not fetch comment section');
+
+    const comments_section = { comments: [] };
+    !token && (comments_section.comment_count = response.data.onResponseReceivedEndpoints[0].reloadContinuationItemsCommand.continuationItems && response.data.onResponseReceivedEndpoints[0].reloadContinuationItemsCommand.continuationItems[0].commentsHeaderRenderer.countText.runs[0].text || 'N/A');
+
+    let continuation_token;
+    !token && (continuation_token = response.data.onResponseReceivedEndpoints[1].reloadContinuationItemsCommand.continuationItems.find((item) => item.continuationItemRenderer).continuationItemRenderer.continuationEndpoint.continuationCommand.token) ||
+      (continuation_token = response.data.onResponseReceivedEndpoints[0].appendContinuationItemsAction.continuationItems.find((item) => item.continuationItemRenderer).continuationItemRenderer.continuationEndpoint.continuationCommand.token);
+
+    comments_section.getContinuation = () => this.getComments(video_id, continuation_token);
+
+    let contents;
+    !token && (contents = response.data.onResponseReceivedEndpoints[1].reloadContinuationItemsCommand.continuationItems) ||
+      (contents = response.data.onResponseReceivedEndpoints[0].appendContinuationItemsAction.continuationItems);
+
+    contents.forEach((thread) => {
+      if (!thread.commentThreadRenderer) return;
+      const comment = {
+        text: thread.commentThreadRenderer.comment.commentRenderer.contentText.runs.map((t) => t.text).join(' '),
+        author: {
+          name: thread.commentThreadRenderer.comment.commentRenderer.authorText.simpleText,
+          thumbnail: thread.commentThreadRenderer.comment.commentRenderer.authorThumbnail.thumbnails,
+          channel_id: thread.commentThreadRenderer.comment.commentRenderer.authorEndpoint.browseEndpoint.browseId
+        },
+        metadata: {
+          published: thread.commentThreadRenderer.comment.commentRenderer.publishedTimeText.runs[0].text,
+          is_liked: thread.commentThreadRenderer.comment.commentRenderer.isLiked,
+          is_channel_owner: thread.commentThreadRenderer.comment.commentRenderer.authorIsChannelOwner,
+          like_count: thread.commentThreadRenderer.comment.commentRenderer.voteCount.simpleText,
+          reply_count: thread.commentThreadRenderer.comment.commentRenderer.replyCount || 0,
+          id: thread.commentThreadRenderer.comment.commentRenderer.commentId,
+        }
+      };
+      comments_section.comments.push(comment);
+    });
+
+    return comments_section;
+  }
+
+  async getSubscriptionsFeed() {
+    const response = await Actions.browse(this, 'subscriptions_feed');
+    if (!response.success) throw new Error('Could not fetch subscriptions feed');
+
+    const contents = response.data.contents.twoColumnBrowseResultsRenderer.tabs[0].tabRenderer.content.sectionListRenderer.contents;
+    const subscriptions_feed = {};
+
+    contents.forEach((section) => {
+      if (!section.itemSectionRenderer) return;
+
+      const section_contents = section.itemSectionRenderer.contents[0];
+      const section_items = section_contents.shelfRenderer.content.gridRenderer.items;
+
+      const key = section_contents.shelfRenderer.title.runs[0].text;
+      subscriptions_feed[key.toLowerCase().replace(/ +/g, '_')] = [];
+
+      section_items.forEach((item) => {
+        const content = {
+          title: item.gridVideoRenderer.title.runs.map((run) => run.text).join(' '),
+          id: item.gridVideoRenderer.videoId,
+          channel: item.gridVideoRenderer.shortBylineText && item.gridVideoRenderer.shortBylineText.runs[0].text || 'N/A',
+          metadata: {
+            view_count: item.gridVideoRenderer.viewCountText && item.gridVideoRenderer.viewCountText.simpleText || 'N/A',
+            thumbnail: item.gridVideoRenderer.thumbnail && item.gridVideoRenderer.thumbnail.thumbnails || [],
+            published: item.gridVideoRenderer.publishedTimeText && item.gridVideoRenderer.publishedTimeText.simpleText || 'N/A',
+            badges: item.gridVideoRenderer.badges && item.gridVideoRenderer.badges.map((badge) => badge.metadataBadgeRenderer.label) || 'N/A',
+            owner_badges: item.gridVideoRenderer.ownerBadges && item.gridVideoRenderer.ownerBadges.map((badge) => badge.metadataBadgeRenderer.tooltip) || 'N/A'
+          }
+        };
+
+        subscriptions_feed[key.toLowerCase().replace(/ +/g, '_')].push(content);
+      });
+    });
+
+    return subscriptions_feed;
+  }
+
   async getNotifications() {
     const response = await Actions.notifications(this, 'get_notification_menu');
+    if (!response.success) throw new Error('Could not fetch notifications');
+
     const contents = response.data.actions[0].openPopupAction.popup.multiPageMenuRenderer.sections[0];
     if (!contents.multiPageMenuNotificationSectionRenderer) return { error: 'You don\'t have any notification.' };
     return contents.multiPageMenuNotificationSectionRenderer.items.map((notification) => {
@@ -180,6 +272,7 @@ class Innertube extends EventEmitter {
 
   async getUnseenNotificationsCount() {
     const response = await Actions.notifications(this, 'get_unseen_count');
+    if (!response.success) throw new Error('Could not fetch unseen notifications count');
     return response.data.unseenCount;
   }
 
@@ -216,12 +309,12 @@ class Innertube extends EventEmitter {
         format.url = format.url || format.signatureCipher || format.cipher;
 
         if (format.signatureCipher || format.cipher) {
-          format.url = new SigDecipher(format.url, this.context.client.clientVersion, this.player.sig_decipher_sc, this.player.encodeN).decipher();
+          format.url = new SigDecipher(format.url, this.context.client.clientVersion, this.player).decipher();
         } else {
           const url_components = new URL(format.url);
           url_components.searchParams.set('cver', this.context.client.clientVersion);
           url_components.searchParams.set('ratebypass', 'yes');
-          url_components.searchParams.set('n', this.player.encodeN(url_components.searchParams.get('n')));
+          url_components.searchParams.set('n', new NToken(this.player.ntoken_sc).transform(url_components.searchParams.get('n')));
           format.url = url_components.toString();
         }
 
@@ -281,7 +374,12 @@ class Innertube extends EventEmitter {
       }
 
       if (options.type == 'videoandaudio') {
-        const response = await Axios.get(selected_format.url, { cancelToken: new CancelToken(function executor(c) { cancel = c; }), responseType: 'stream', reponseEncoding: 'binary', headers: Constants.stream_headers() }).catch((error) => error);
+        const response = await Axios.get(selected_format.url, {
+          responseType: 'stream',
+          cancelToken: new CancelToken(function executor(c) { cancel = c; }),
+          headers: Constants.stream_headers()
+        }).catch((error) => error);
+
         if (response instanceof Error) {
           stream.emit('error', { message: response.message, type: 'REQUEST_FAILED' });
           return stream;
@@ -312,11 +410,19 @@ class Innertube extends EventEmitter {
         let chunk_start = 0;
         let chunk_end = chunk_size;
         let downloaded_size = 0;
+        let end = false;
 
         stream.emit('start');
 
         const downloadChunk = async () => {
-          const response = await Axios.get(selected_format.url, { cancelToken: new CancelToken(function executor(c) { cancel = c; }), responseType: 'stream', headers: Constants.stream_headers(`bytes=${chunk_start}-${chunk_end || ''}`) }).catch((error) => error);
+          if (chunk_end >= selected_format.contentLength) end = true;
+
+          const response = await Axios.get(`${selected_format.url}&range=${chunk_start}-${chunk_end || ''}`, {
+            responseType: 'stream',
+            cancelToken: new CancelToken(function executor(c) { cancel = c; }),
+            headers: Constants.stream_headers()
+          }).catch((error) => error);
+
           if (response instanceof Error) {
             stream.emit('error', { message: response.message, type: 'REQUEST_FAILED' });
             return stream;
@@ -338,17 +444,14 @@ class Innertube extends EventEmitter {
           });
 
           response.data.on('end', () => {
-            chunk_start = chunk_end + 1;
-            chunk_end += chunk_size;
-
-            if (downloaded_size < selected_format.contentLength) {
+            if (!end) {
+              chunk_start = chunk_end + 1;
+              chunk_end += chunk_size;
               downloadChunk();
-            } else {
-              stream.emit('end');
             }
           });
 
-          response.data.pipe(stream, { end: false });
+          response.data.pipe(stream, { end });
         };
         downloadChunk();
       }

lib/Livechat.js

@@ -1,10 +1,9 @@
 'use strict';
 
 const Axios = require('axios');
-const Utils = require('./Utils');
+const Actions = require('./Actions');
 const Constants = require('./Constants');
 const EventEmitter = require('events');
-const Uuid = require("uuid");
 
 class Livechat extends EventEmitter {
   constructor(session, token, channel_id, video_id) {
@@ -17,65 +16,15 @@ class Livechat extends EventEmitter {
     this.message_queue = [];
     this.id_cache = [];
 
-    this.poll_intervals_ms = 0;
+    this.poll_intervals_ms = 1000;
     this.running = true;
 
     this.poll();
   }
 
-  async sendMessage(text) {
-    let data = {
-      context: this.session.context,
-      params: Utils.encodeChannelIdWithVideoId(this.channel_id, this.video_id),
-      clientMessageId: `INntLiB${Uuid.v4()}`,
-      richMessage: {
-        textSegments: [{ text }]
-      }
-    };
-
-    const response = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/live_chat/send_message${this.session.logged_in && this.session.cookie.length < 1 ? '' : `?key=${this.session.key}`}`, JSON.stringify(data), Constants.innertube_request_opts({ session: this.session, data, id: this.video_id, desktop: true })).catch((error) => error);
-    if (response instanceof Error) return { success: false, status_code: response.response.status, message: response.response.data.error.message };
-
-    const deleteMessage = async () => {
-      /*
-       * The first request is made to get the chat options and the delete command endpoint,
-       * these options contain the required params to delete a message (a string composed of clientId, the channelId of the channel you're watching, your public channelId and the id of the message you sent).
-       * All put together with some binary data and then base64ed twice (yes, twice lm*o top notch security).
-       **/
-      const item_menu_res = await Axios.post(`${Constants.urls.YT_BASE_URL}/youtubei/v1/live_chat/get_item_context_menu?params=${response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.contextMenuEndpoint.liveChatItemContextMenuEndpoint.params}&pbj=1${this.session.logged_in && this.session.cookie.length < 1 ? '' : `&key=${this.session.key}`}`, JSON.stringify({ context: this.session.context }), Constants.innertube_request_opts({ session: this.session, id: this.video_id, desktop: true })).catch((error) => error);
-      if (item_menu_res instanceof Error) return { success: false, status_code: item_menu_res.response.status, message: item_menu_res.response.data.error.message };
-      const chat_item_menu = item_menu_res.data.liveChatItemContextMenuSupportedRenderers.menuRenderer.items[0];
-
-      const delete_message_reqbody = {
-        context: this.session.context,
-        params: chat_item_menu.menuServiceItemRenderer.serviceEndpoint.moderateLiveChatEndpoint.params
-      };
-
-      const delete_message_cmd = await Axios.post(`${Constants.urls.YT_BASE_URL}${chat_item_menu.menuServiceItemRenderer.serviceEndpoint.commandMetadata.webCommandMetadata.apiUrl}${this.session.logged_in && this.session.cookie.length < 1 ? '' : `&key=${this.session.key}`}`, JSON.stringify(delete_message_reqbody), Constants.innertube_request_opts({ session: this.session, delete_message_reqbody, id: this.video_id, desktop: true })).catch((error) => error);
-      if (delete_message_cmd instanceof Error) return { success: false, status_code: delete_message_cmd.response.status, message: delete_message_cmd.response.data.error.message };
-      return { success: true, status_code: response.status };
-    };
-
-    return {
-      success: true,
-      status_code: response.status,
-      deleteMessage: () => deleteMessage(),
-      message_data: {
-        text: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.message.runs.map((item) => item.text).join(' '),
-        author: {
-          name: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorName && response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorName.simpleText || 'N/',
-          channel_id: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorExternalChannelId,
-          profile_picture: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorPhoto.thumbnails
-        },
-        timestamp: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.timestampUsec,
-        id: response.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.id
-      }
-    };
-  }
-
   enqueueActionGroup(group) {
     group.forEach((action) => {
-      if (!action.addChatItemAction) return;
+      if (!action.addChatItemAction) return; //TODO: handle different action types 
       const message_content = action.addChatItemAction.item.liveChatTextMessageRenderer;
       if (!message_content) return;
 
@@ -113,9 +62,9 @@ class Livechat extends EventEmitter {
       setTimeout(() => this.emit('chat-update', message), message.timestamp / 1000 - new Date().getTime());
       this.id_cache.push(message.id);
     });
-    
+
     this.message_queue = [];
-    
+
     data = { context: this.session.context, videoId: this.video_id };
     if (this.metadata_ctoken) data.continuation = this.metadata_ctoken;
 
@@ -133,15 +82,45 @@ class Livechat extends EventEmitter {
       }
     });
 
-    // How long we should wait to poll the chat again.
-    if (continuation_contents.liveChatContinuation.continuations[0].timedContinuationData) {
-      this.poll_intervals_ms = continuation_contents.liveChatContinuation.continuations[0].timedContinuationData.timeoutMs;
-    } else {
-      this.poll_intervals_ms = 4000;
-    }
+    this.livechat_poller = setTimeout(async () => await this.poll(), this.poll_intervals_ms);
+  }
 
-    await this.poll();
-    this.livechat_poller = setTimeout(() => this.poll(), this.poll_intervals_ms);
+  async sendMessage(text) {
+    const message = await Actions.livechat(this.session, 'live_chat/send_message', { text, channel_id: this.channel_id, video_id: this.video_id });
+    if (!message.success) return message;
+
+    const deleteMessage = async () => {
+      const menu = await Actions.livechat(this.session, 'live_chat/get_item_context_menu', { params: { params: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.contextMenuEndpoint.liveChatItemContextMenuEndpoint.params, pbj: 1 } });
+      if (!menu.success) return menu;
+
+      const chat_item_menu = menu.data.liveChatItemContextMenuSupportedRenderers.menuRenderer.items[0];
+
+      const cmd = await Actions.livechat(this.session, 'live_chat/moderate', { cmd_params: chat_item_menu.menuServiceItemRenderer.serviceEndpoint.moderateLiveChatEndpoint.params });
+      if (!cmd.success) return cmd;
+
+      return { success: true, status_code: cmd.status_code };
+    };
+
+    return {
+      success: true,
+      status_code: message.status_code,
+      deleteMessage,
+      message_data: {
+        text: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.message.runs.map((item) => item.text).join(' '),
+        author: {
+          name: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorName && message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorName.simpleText || 'N/',
+          channel_id: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorExternalChannelId,
+          profile_picture: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.authorPhoto.thumbnails
+        },
+        timestamp: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.timestampUsec,
+        id: message.data.actions[0].addChatItemAction.item.liveChatTextMessageRenderer.id
+      }
+    };
+  }
+
+  async blockUser(msg_params) {
+    /* TODO: Implement this */
+    throw new Error('Not implemented');
   }
 
   stop() {

lib/NToken.js

@@ -0,0 +1,129 @@
+'use strict';
+
+const Utils = require('./Utils');
+const Constants = require('./Constants');
+
+class NToken {
+  constructor(raw_code) {
+    this.raw_code = raw_code;
+    this.null_placeholder_regex = /c\[(.*?)\]=c/g;
+    this.transformation_args_regex = /c\[(.*?)\]\((.+?)\)/g;
+  }
+
+  transform(n) {
+    let n_token = n.split('');
+    let transformations = this.getTransformationData(this.raw_code);
+
+    // Identifies the necessary transformation functions and emulates them accordingly.
+    transformations = transformations.map((el) => {
+      if (el != null && typeof el != 'number') {
+        const is_reverse_base64 = el.includes('case 65:');
+        if (el.includes('function(d){for(var')) {
+          el = (arr) => this.pushSplice(arr);
+        } else if (el.includes('d.push(e)')) {
+          el = (arr, item) => this.push(arr, item);
+        } else if (el.includes('d.reverse()')) {
+          el = (arr) => this.reverse(arr);
+        } else if (el.includes('d.length;d.splice(e,1)')) {
+          el = (arr, index) => this.spliceOnce(arr, index);
+        } else if (el.includes('d[0])[0])')) {
+          el = (arr, index) => this.spliceTwice(arr, index);
+        } else if (el.includes('reverse().forEach')) {
+          el = (arr, index) => this.spliceReverseUnshift(arr, index);
+        } else if (el.includes('f=d[0];d[0]')) {
+          el = (arr, index) => this.swapFirstItem(arr, index);
+        } else if (el.includes('unshift(d.pop())')) {
+          el = (arr, index) => this.unshiftPop(arr, index);
+        } else if (el.includes('switch')) {
+          el = (arr, e) => this.translateAB(arr, e, is_reverse_base64);
+        } else if (el === 'b') {
+          el = n_token;
+        }
+      }
+      return el;
+    });
+
+    // Fills the null placeholders with a copy of the transformations array.
+    let null_placeholder_positions = [...this.raw_code.matchAll(this.null_placeholder_regex)].map((item) => parseInt(item[1]));
+    null_placeholder_positions.forEach((pos) => transformations[pos] = transformations);
+
+    // Parses and emulates calls to functions of the transformations array.
+    let transformation_args = [...Utils.getStringBetweenStrings(this.raw_code.replace(/\n/g, ''), 'try{', '}catch').matchAll(this.transformation_args_regex)].map((params) => ({ index: params[1], params: params[2] }));
+    transformation_args.forEach((data) => {
+      const index = data.index;
+      const param_index = data.params.split(',').map((param) => param.match(/c\[(.*?)\]/)[1]);
+      transformations[index](transformations[param_index[0]], transformations[param_index[1]]);
+    });
+
+    return n_token.join('');
+  }
+
+  getTransformationData() {
+    let transformation_data = '[' + Utils.getStringBetweenStrings(this.raw_code, 'c=[', '];c') + ']';
+    transformation_data = transformation_data
+      .replace(/function\(d,e\)/g, '"function(d,e)')
+      .replace(/function\(d\)/g, '"function(d)')
+      .replace(/,b,/g, ',"b",')
+      .replace(/,b/g, ',"b"')
+      .replace(/b,/g, '"b",')
+      .replace(/b]/g, '"b"]')
+      .replace(/},/g, '}",')
+      .replace(/""/g, '')
+      .replace(/length]\)}"/g, 'length])}');
+
+    return JSON.parse(transformation_data);
+  }
+
+  translateAB(arr, e, is_reverse_base64) {
+    let characters = is_reverse_base64 && Constants.base64_alphabet.reverse || Constants.base64_alphabet.normal;
+    arr.forEach(function(char, index, loc) {
+      this.push(loc[index] = characters[(characters.indexOf(char) - characters.indexOf(this[index]) + 64) % characters.length]);
+    }, e.split(''));
+  }
+
+  unshiftPop(arr, index) {
+    index = (index % arr.length + arr.length) % arr.length;
+    for (; index--;) {
+      arr.unshift(arr.pop());
+    }
+  }
+
+  swapFirstItem(arr, index) {
+    let oldValue = arr[0];
+    index = (index % arr.length + arr.length) % arr.length;
+    arr[0] = arr[index];
+    arr[index] = oldValue;
+  }
+
+  spliceReverseUnshift(arr, index) {
+    index = (index % arr.length + arr.length) % arr.length;
+    arr.splice(-index).reverse().forEach(function(f) {
+      arr.unshift(f);
+    });
+  }
+
+  spliceOnce(arr, index) {
+    index = (index % arr.length + arr.length) % arr.length;
+    arr.splice(index, 1);
+  }
+
+  spliceTwice(arr, index) {
+    index = (index % arr.length + arr.length) % arr.length;
+    arr.splice(0, 1, arr.splice(index, 1, arr[0])[0]);
+  }
+
+  pushSplice(arr) {
+    for (let index = arr.length; index;)
+      arr.push(arr.splice(--index, 1)[0]);
+  }
+
+  push(arr, item) {
+    arr.push(item);
+  }
+
+  reverse(arr) {
+    arr.reverse();
+  }
+}
+
+module.exports = NToken;

lib/Player.js

@@ -36,8 +36,7 @@ class Player {
   }
 
   getNEncoder(data) {
-    const raw_code = 'var b=a.split("")' + Utils.getStringBetweenStrings(data, 'b=a.split("")', '}return b.join("")}') + '} return b.join("");';
-    this.encodeN = Utils.createFunction('a', raw_code);
+    this.ntoken_sc = 'var b=a.split("")' + Utils.getStringBetweenStrings(data, 'b=a.split("")', '}return b.join("")}') + '} return b.join("");';
   }
 }
 

lib/SigDecipher.js

@@ -1,13 +1,13 @@
 'use strict';
 
+const NToken = require('./NToken');
 const QueryString = require('querystring');
 
 class SigDecipher {
-  constructor(url, cver, func_code, encode_n) {
+  constructor(url, cver, player) {
     this.url = url;
     this.cver = cver;
-    this.func_code = func_code;
-    this.encode_n = encode_n;
+    this.player = player;
     this.func_regex = /(.{2}):function\(.*?\){(.*?)}/g;
     this.actions_regex = /;.{2}\.(.{2})\(.*?,(.*?)\)/g;
   }
@@ -33,7 +33,7 @@ class SigDecipher {
     let actions;
     let signature = args.s.split('');
 
-    while ((actions = this.actions_regex.exec(this.func_code)) !== null) {
+    while ((actions = this.actions_regex.exec(this.player.sig_decipher_sc)) !== null) {
       switch (actions[1]) {
         case functions[0]:
           reverse(signature, actions[2]);
@@ -49,10 +49,11 @@ class SigDecipher {
     }
 
     const url_components = new URL(args.url);
+
     args.sp !== undefined ? url_components.searchParams.set(args.sp, signature.join('')) : url_components.searchParams.set('signature', signature.join(''));
     url_components.searchParams.set('cver', this.cver);
     url_components.searchParams.set('ratebypass', 'yes');
-    url_components.searchParams.set('n', this.encode_n(url_components.searchParams.get('n')));
+    url_components.searchParams.set('n', new NToken(this.player.ntoken_sc).transform(url_components.searchParams.get('n')));
     return url_components.toString();
   }
 
@@ -60,7 +61,7 @@ class SigDecipher {
     let func;
     let func_name = [];
 
-    while ((func = this.func_regex.exec(this.func_code)) !== null) {
+    while ((func = this.func_regex.exec(this.player.sig_decipher_sc)) !== null) {
       if (func[0].includes('reverse()')) {
         func_name[0] = func[1];
       } else if (func[0].includes('splice')) {

lib/Utils.js

@@ -1,5 +1,7 @@
 'use strict';
 
+const Fs = require('fs');
+const Proto = require('protons');
 const Crypto = require('crypto');
 const UserAgent = require('user-agents');
 
@@ -35,37 +37,50 @@ function escapeStringRegexp(string) {
   return string.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&").replace(/-/g, "\\x2d");
 }
 
-function createFunction(input, raw_code) { // I hate this
-  return new Function(input, raw_code);
+function encodeNotificationPref(channel_id, index) {
+  const youtube_proto = Proto(Fs.readFileSync(`${__dirname}/proto/youtube.proto`));
+
+  const buf = youtube_proto.NotificationPreferences.encode({
+    channel_id,
+    pref_id: {
+      index
+    },
+    number_0: 0,
+    number_1: 4
+  });
+
+  return encodeURIComponent(Buffer.from(buf).toString('base64'));
 }
 
-function encodeVideoId(id) {
-  return encodeURIComponent(`${Buffer.from(`` + id + `*`).toString('base64').slice(0, -1)}BQBw==`);
+function generateMessageParams(channel_id, video_id) {
+  const youtube_proto = Proto(Fs.readFileSync(`${__dirname}/proto/youtube.proto`));
+
+  const buf = youtube_proto.LiveMessageParams.encode({
+    params: {
+      ids: {
+        channel_id,
+        video_id
+      }
+    },
+    number_0: 1,
+    number_1: 4
+  });
+
+  return Buffer.from(encodeURIComponent(Buffer.from(buf).toString('base64'))).toString('base64');
 }
 
-function encodeChannelId(id, notification_pref) {
-  const buff_start = `
-`;
-  const buff_end = [
-    ``, // all
-    ``, // none
-    `
`, // personalized
-  ];
+function generateCommentParams(video_id) {
+  const youtube_proto = Proto(Fs.readFileSync(`${__dirname}/proto/youtube.proto`));
 
-  let encodedId = Buffer.from([buff_start, id, buff_end[notification_pref]].join('')).toString('base64');
-  return encodeURIComponent(`${encodedId}GAAgBA==`);
+  const buf = youtube_proto.CreateCommentParams.encode({
+    video_id,
+    params: {
+      index: 0
+    },
+    number: 7
+  });
+
+  return encodeURIComponent(Buffer.from(buf).toString('base64'));
 }
 
-function encodeChannelIdWithVideoId(channel_id, video_id) {
-  const buff_start = `
-)*'
-`;
-  const buff_middle = ``;
-  const buff_end = `
`;
-
-  // Yes, we also have to base64 these twice lol
-  let encodedIds = Buffer.from([buff_start, channel_id, buff_middle, video_id, buff_end].join('')).toString('base64');
-  return `${Buffer.from(encodedIds).toString('base64').slice(0, -4)}JTNE`;
-}
-
-module.exports = { getRandomUserAgent, generateSidAuth, getStringBetweenStrings, createFunction, encodeChannelIdWithVideoId, encodeVideoId, encodeChannelId };
+module.exports = { getRandomUserAgent, generateSidAuth, getStringBetweenStrings, generateMessageParams, generateCommentParams, encodeNotificationPref };

lib/proto/youtube.proto

@@ -0,0 +1,34 @@
+syntax = "proto2";
+package proto;
+
+message NotificationPreferences {
+  string channel_id = 1;
+  message Preference {
+    int32 index = 1;
+  }
+  Preference pref_id = 2;
+  int32 number_0 = 3;
+  int32 number_1 = 4;
+}
+
+message LiveMessageParams {
+  message Params {
+    message Ids {
+      string channel_id = 1;
+      string video_id = 2;
+    }
+    Ids ids = 5;
+  }
+  Params params = 1;
+  int32 number_0 = 2;
+  int32 number_1 = 3;
+}
+
+message CreateCommentParams {
+  string video_id = 2;
+  message Params {
+    int32 index = 1;
+  }
+  Params params = 5;
+  int32 number = 10;
+}

package-lock.json

@@ -1,15 +1,16 @@
 {
   "name": "youtubei.js",
-  "version": "1.1.0",
+  "version": "1.2.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "youtubei.js",
-      "version": "1.1.0",
+      "version": "1.2.2",
       "license": "MIT",
       "dependencies": {
         "axios": "^0.21.4",
+        "protons": "^2.0.3",
         "time-to-seconds": "^1.1.5",
         "user-agents": "^1.0.778",
         "uuid": "^8.3.2"
@@ -76,6 +77,35 @@
       "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
       "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8="
     },
+    "node_modules/multiformats": {
+      "version": "9.4.9",
+      "resolved": "https://registry.npmjs.org/multiformats/-/multiformats-9.4.9.tgz",
+      "integrity": "sha512-zA84TTJcRfRMpjvYqy63piBbSEdqlIGqNNSpP6kspqtougqjo60PRhIFo+oAxrjkof14WMCImvr7acK6rPpXLw=="
+    },
+    "node_modules/protocol-buffers-schema": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/protocol-buffers-schema/-/protocol-buffers-schema-3.6.0.tgz",
+      "integrity": "sha512-TdDRD+/QNdrCGCE7v8340QyuXd4kIWIgapsE2+n/SaGiSSbomYl4TjHlvIoCWRpE7wFt02EpB35VVA2ImcBVqw=="
+    },
+    "node_modules/protons": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/protons/-/protons-2.0.3.tgz",
+      "integrity": "sha512-j6JikP/H7gNybNinZhAHMN07Vjr1i4lVupg598l4I9gSTjJqOvKnwjzYX2PzvBTSVf2eZ2nWv4vG+mtW8L6tpA==",
+      "dependencies": {
+        "protocol-buffers-schema": "^3.3.1",
+        "signed-varint": "^2.0.1",
+        "uint8arrays": "^3.0.0",
+        "varint": "^5.0.0"
+      }
+    },
+    "node_modules/signed-varint": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/signed-varint/-/signed-varint-2.0.1.tgz",
+      "integrity": "sha1-UKmYnafJjCxh2tEZvJdHDvhSgSk=",
+      "dependencies": {
+        "varint": "~5.0.0"
+      }
+    },
     "node_modules/time-to-seconds": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/time-to-seconds/-/time-to-seconds-1.1.5.tgz",
@@ -85,6 +115,14 @@
         "vscode": "^1.22.0"
       }
     },
+    "node_modules/uint8arrays": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/uint8arrays/-/uint8arrays-3.0.0.tgz",
+      "integrity": "sha512-HRCx0q6O9Bfbp+HHSfQQKD7wU70+lydKVt4EghkdOvlK/NlrF90z+eXV34mUd48rNvVJXwkrMSPpCATkct8fJA==",
+      "dependencies": {
+        "multiformats": "^9.4.2"
+      }
+    },
     "node_modules/underscore": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
@@ -99,9 +137,9 @@
       }
     },
     "node_modules/user-agents": {
-      "version": "1.0.805",
-      "resolved": "https://registry.npmjs.org/user-agents/-/user-agents-1.0.805.tgz",
-      "integrity": "sha512-asL9HOjdiJw+A7T7rYnxFC3wAt3u7Shle8fWHECKoqFV2JqI21Xoh8i29cdIsWP1Tn8FZcB0doUQ0h1pUwLkxw==",
+      "version": "1.0.814",
+      "resolved": "https://registry.npmjs.org/user-agents/-/user-agents-1.0.814.tgz",
+      "integrity": "sha512-OU3lCkkaUCghnZiZuN2edSJ+//ituJihs3P1FCjCDwe1tMBS8eni68CQ0TBbPoVPDtoAqxM3Z7qbP7EWGlhBxA==",
       "dependencies": {
         "dot-json": "^1.2.2",
         "lodash.clonedeep": "^4.5.0"
@@ -114,6 +152,11 @@
       "bin": {
         "uuid": "dist/bin/uuid"
       }
+    },
+    "node_modules/varint": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/varint/-/varint-5.0.2.tgz",
+      "integrity": "sha512-lKxKYG6H03yCZUpAGOPOsMcGxd1RHCu1iKvEHYDPmTyq2HueGhD73ssNBqqQWfvYs04G9iUFRvmAVLW20Jw6ow=="
     }
   },
   "dependencies": {
@@ -155,11 +198,48 @@
       "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
       "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8="
     },
+    "multiformats": {
+      "version": "9.4.9",
+      "resolved": "https://registry.npmjs.org/multiformats/-/multiformats-9.4.9.tgz",
+      "integrity": "sha512-zA84TTJcRfRMpjvYqy63piBbSEdqlIGqNNSpP6kspqtougqjo60PRhIFo+oAxrjkof14WMCImvr7acK6rPpXLw=="
+    },
+    "protocol-buffers-schema": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/protocol-buffers-schema/-/protocol-buffers-schema-3.6.0.tgz",
+      "integrity": "sha512-TdDRD+/QNdrCGCE7v8340QyuXd4kIWIgapsE2+n/SaGiSSbomYl4TjHlvIoCWRpE7wFt02EpB35VVA2ImcBVqw=="
+    },
+    "protons": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/protons/-/protons-2.0.3.tgz",
+      "integrity": "sha512-j6JikP/H7gNybNinZhAHMN07Vjr1i4lVupg598l4I9gSTjJqOvKnwjzYX2PzvBTSVf2eZ2nWv4vG+mtW8L6tpA==",
+      "requires": {
+        "protocol-buffers-schema": "^3.3.1",
+        "signed-varint": "^2.0.1",
+        "uint8arrays": "^3.0.0",
+        "varint": "^5.0.0"
+      }
+    },
+    "signed-varint": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/signed-varint/-/signed-varint-2.0.1.tgz",
+      "integrity": "sha1-UKmYnafJjCxh2tEZvJdHDvhSgSk=",
+      "requires": {
+        "varint": "~5.0.0"
+      }
+    },
     "time-to-seconds": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/time-to-seconds/-/time-to-seconds-1.1.5.tgz",
       "integrity": "sha512-mpzJDHGF4VdhiahyusCUSy+BWJdN3q8Cluzfy0n7GMU9IIj+HJDX9bbbr7wVSUiqmRn1vqhhfECgdfj+SByu2A=="
     },
+    "uint8arrays": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/uint8arrays/-/uint8arrays-3.0.0.tgz",
+      "integrity": "sha512-HRCx0q6O9Bfbp+HHSfQQKD7wU70+lydKVt4EghkdOvlK/NlrF90z+eXV34mUd48rNvVJXwkrMSPpCATkct8fJA==",
+      "requires": {
+        "multiformats": "^9.4.2"
+      }
+    },
     "underscore": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
@@ -174,9 +254,9 @@
       }
     },
     "user-agents": {
-      "version": "1.0.805",
-      "resolved": "https://registry.npmjs.org/user-agents/-/user-agents-1.0.805.tgz",
-      "integrity": "sha512-asL9HOjdiJw+A7T7rYnxFC3wAt3u7Shle8fWHECKoqFV2JqI21Xoh8i29cdIsWP1Tn8FZcB0doUQ0h1pUwLkxw==",
+      "version": "1.0.814",
+      "resolved": "https://registry.npmjs.org/user-agents/-/user-agents-1.0.814.tgz",
+      "integrity": "sha512-OU3lCkkaUCghnZiZuN2edSJ+//ituJihs3P1FCjCDwe1tMBS8eni68CQ0TBbPoVPDtoAqxM3Z7qbP7EWGlhBxA==",
       "requires": {
         "dot-json": "^1.2.2",
         "lodash.clonedeep": "^4.5.0"
@@ -186,6 +266,11 @@
       "version": "8.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
       "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+    },
+    "varint": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/varint/-/varint-5.0.2.tgz",
+      "integrity": "sha512-lKxKYG6H03yCZUpAGOPOsMcGxd1RHCu1iKvEHYDPmTyq2HueGhD73ssNBqqQWfvYs04G9iUFRvmAVLW20Jw6ow=="
     }
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "youtubei.js",
-  "version": "1.1.0",
+  "version": "1.2.2",
   "description": "An object-oriented library that allows you to search, get detailed info about videos, subscribe, unsubscribe, like, dislike, comment, download videos and much more!",
   "main": "index.js",
   "scripts": {
@@ -14,6 +14,7 @@
   },
   "dependencies": {
     "axios": "^0.21.4",
+    "protons": "^2.0.3",
     "time-to-seconds": "^1.1.5",
     "user-agents": "^1.0.778",
     "uuid": "^8.3.2"
@@ -33,8 +34,9 @@
     "like",
     "dislike",
     "comment",
-    "downloader",
     "automation",
+    "downloader",
+    "comments-section",
     "youtube-downloader"
   ],
   "bugs": {