signature added. Almost Completed YouTube

node-youtube-dl/YouTube/utils/extractor.ts

@@ -1,6 +1,5 @@
 import fetch from 'node-fetch'
-import fs from 'fs'
-import got from 'got'
+import { format_decipher, js_tokens } from './cipher'
 
 export function valid_url(url : string): boolean{
     let valid_url = /^https?:\/\/(youtu\.be\/|(www\.)?youtube\.com\/(embed|watch|v|shorts)(\/|\?))/
@@ -8,30 +7,59 @@ export function valid_url(url : string): boolean{
     else return false
 }
 
-export async function getBasicInfo(url : string){
+export async function yt_initial_data(url : string){
     if(valid_url(url)){
         let body = await url_get(url)
-        let final = {
-            player_response : get_ytPlayerResponse(body),
-            response : get_ytInitialData(body),
-            js_url : js_url(body)
+        let player_response = JSON.parse(body.split("var ytInitialPlayerResponse = ")[1].split(";</script>")[0])
+        let response = JSON.parse(body.split("var ytInitialData = ")[1].split(";</script>")[0])
+        let html5player =  'https://www.youtube.com' + body.split('"jsUrl":"')[1].split('"')[0]
+        let format = []
+        format.push(player_response.streamingData.formats[0])
+        format.push(...player_response.streamingData.adaptiveFormats)
+        let vid = player_response.videoDetails
+        let microformat = player_response.microformat.playerMicroformatRenderer
+        let video_details = {
+            id : vid.videoId,
+            url : 'https://www.youtube.com/watch?v=' + vid.videoId,
+            title : vid.title,
+            description : vid.shortDescription,
+            duration : vid.lengthSeconds,
+            uploadedDate : microformat.publishDate,
+            thumbnail : `https://i.ytimg.com/vi/${vid.videoId}/maxresdefault.jpg`,
+            channel : {
+                name : vid.author,
+                id : vid.channelId,
+                url : `https://www.youtube.com/channel/${vid.channelId}`
+            },
+            views : vid.viewCount,
+            tags : vid.keywords,
+            averageRating : vid.averageRating,
+            live : vid.isLiveContent,
+            private : vid.isPrivate
         }
+        let final = {
+            player_response,
+            response,
+            html5player,
+            format,
+            video_details
+        }
+        return final
     }
     else {
         throw 'Not a Valid YouTube URL'
     }
 }
 
-function js_url(data:string): string {
-    return data.split('"jsUrl":"')[1].split('"')[0]
-}
-
-function get_ytPlayerResponse(data : string): JSON {
-    return JSON.parse(data.split("var ytInitialPlayerResponse = ")[1].split(";</script>")[0])
-}
-
-function get_ytInitialData(data:string): JSON {
-    return JSON.parse(data.split("var ytInitialData = ")[1].split(";</script>")[0])
+export async function yt_deciphered_data(url : string) {
+    let data = await yt_initial_data(url)
+    if(data.format[0].signatureCipher || data.format[0].cipher){
+        data.format = await format_decipher(data.format, data.html5player)
+        return data
+    }
+    else {
+        return data
+    }
 }
 
 export async function url_get (url : string) : Promise<string>{