Spotify v2.0 incoming

play-dl/Spotify/index.ts

@@ -1,6 +1,23 @@
 import got from "got/dist/source"
 import { SpotifyAlbum, SpotifyPlaylist, SpotifyVideo } from "./classes"
+import readline from 'readline'
+import fs from 'fs'
 
+interface SpotifyDataOptions{
+    client_id : string;
+    client_secret : string;
+    redirect_url : string;
+    authorization_code? :string;
+    access_token? : string;
+    refresh_token? : string;
+    token_type? : string;
+    expires_in? : number;
+}
+
+const ask = readline.createInterface({
+    input : process.stdin,
+    output : process.stdout
+})
 
 const pattern = /^((https:)?\/\/)?open.spotify.com\/(track|album|playlist)\//
 
@@ -53,4 +70,63 @@ export function sp_validate(url : string): "track" | "playlist" | "album" | bool
         return "playlist"
     }
     else return false
+}
+
+export function Authorization(){
+    let client_id : string, client_secret : string, redirect_url : string;
+    let code : string;
+    ask.question('Client ID : ', (id) => {
+        client_id = id
+        ask.question('Client Secret : ', (secret) => {
+            client_secret = secret
+            ask.question('Redirect URL : ', (url) => {
+                redirect_url = url
+                console.log('Now Go to this url in your browser and Paste this url. Answer the next question \n')
+                console.log(`https://accounts.spotify.com/authorize?client_id=${client_id}&response_type=code&redirect_uri=${encodeURI(redirect_url)} \n`)
+                ask.question('Redirected URL : ', (url) => {
+                    code = url.split('code=')[1]
+                    if (!fs.existsSync('.data')) fs.mkdirSync('.data')
+                    fs.writeFileSync('.data/spotify.data', JSON.stringify({
+                        client_id,
+                        client_secret,
+                        redirect_url,
+                        authorization_code : code
+                    }))
+                    ask.close()
+                })
+            })
+        })
+    })
+}
+
+export async function StartSpotify(){
+    if(!fs.existsSync('.data/spotify.data')) throw new Error('Spotify Data is Missing\nDid you forgot to do authorization ?')
+
+    let data: SpotifyDataOptions = JSON.parse(fs.readFileSync('.data/spotify.data').toString())
+
+    if(data.authorization_code) data = await SpotifyAuthorize(data)
+    
+}
+
+async function SpotifyAuthorize(data : SpotifyDataOptions): Promise<SpotifyDataOptions>{
+    let response = await got.post(`https://accounts.spotify.com/api/token?grant_type=authorization_code&code=${data.authorization_code}&redirect_uri=${encodeURI(data.redirect_url)}`, {
+        headers : {
+            "Authorization" : `Basic ${Buffer.from(`${data.client_id}:${data.client_secret}`).toString('base64')}`,
+            "Content-Type" : "application/x-www-form-urlencoded"
+        }
+    })
+    
+    if(response.statusCode === 200) {
+        let resp_json = JSON.parse(response.body)
+        return{
+            client_id : data.client_id,
+            client_secret : data.client_secret,
+            redirect_url : data.redirect_url,
+            access_token : resp_json.access_token,
+            refresh_token : resp_json.refresh_token,
+            expires_in : Number(resp_json.expires_in),
+            token_type : resp_json.token_type
+        }
+    }
+    else throw new Error(`Got ${response.statusCode} while getting spotify access token\n${response.body}`)
 }

play-dl/index.ts

@@ -1,6 +1,6 @@
 export { playlist_info, video_basic_info, video_info, search, stream, stream_from_info, yt_validate, extractID } from "./YouTube";
 
-export { spotify, sp_validate } from './Spotify'
+export { spotify, sp_validate, Authorization, StartSpotify } from './Spotify'
 
 import { sp_validate, yt_validate } from ".";