added spotify auth

Author: Raezl

app.js

@@ -3,15 +3,14 @@ const app = express();
 const mongoose = require('mongoose');
 require('dotenv/config');
 
-
-
-
 //Routes
-const PlaylistRoute = require('./routes/Playlist');
+const playlistRoute = require('./routes/Playlist');
+const spotifyRoute = require('./routes/spotify');
 
 //Middleware
 app.use(express.json());
-app.use('/Playlist', PlaylistRoute);
+app.use('/playlist', playlistRoute);
+app.use('/spotify', spotifyRoute);
 
 
 app.listen(3000);

controllers/playlistController.js

@@ -0,0 +1,28 @@
+const PLAYLIST =require('../models/Playlist');
+
+
+
+exports.view_playlist = function(req, res){
+    res.send('working');
+};
+
+exports.add_playlist = function(req, res){
+    const playlist = new PLAYLIST({
+        userId: req.body.userId,
+        name: req.body.name,
+        desc: req.body.desc,
+        songs: req.body.songs.map(song => {
+            return{
+                source : song.source,
+                url : song.url
+            };
+        })
+    });
+    playlist.save()
+    .then(data => {
+        res.json(data);
+    })
+    .catch( err => {
+        res.json({message: err});
+    });
+};

controllers/spotifyController.js

@@ -0,0 +1,32 @@
+
+require('dotenv').config();
+const crypto = require('crypto');
+const querystring = require('querystring');
+const client_id = process.env.SCLIENT_ID;
+const redirect_uri = process.env.S_REDIRECT;
+
+
+function generateRandomString(length){
+    return crypto.randomBytes(length).toString('hex');
+};
+
+function hashCode(code){
+    return crypto.createHash('sha256').update(code).digest('base64');
+}
+exports.getAuthorization = function (req, res) {
+
+    let state = generateRandomString(16);
+    let code_challenge = hashCode(generateRandomString(128));
+    let scope = 'user-read-private playlist-read-private';
+
+    res.redirect('https://accounts.spotify.com/authorize?' +
+        querystring.stringify({
+            response_type: 'code',
+            client_id: client_id,
+            scope: scope,
+            redirect_uri: redirect_uri,
+            state: state,
+            code_challenge_method: 'S256',
+            code_challenge: code_challenge
+        }));
+};

package-lock.json

@@ -17,9 +17,11 @@
   },
   "homepage": "https://github.com/Raezl/Music-aio#readme",
   "dependencies": {
+    "crypto-js": "^4.1.1",
     "dotenv": "^10.0.0",
     "express": "^4.17.1",
     "mongoose": "^6.0.12",
-    "nodemon": "^2.0.14"
+    "nodemon": "^2.0.14",
+    "querystring": "^0.2.1"
   }
 }

package.json

@@ -1,32 +1,11 @@
 const express = require('express');
-const Playlist =require('../models/Playlist');
+const playlist_controller = require('../controllers/playlistController');
 const router = express.Router();
 
 //GET routes 
-router.get('/', (req,res) => {
-    res.send('Show Playlist');
-});
+router.get('/', playlist_controller.view_playlist);
 
-//POST routes
-router.post('/', (req, res) =>{
-    const playlist = new Playlist({
-        userId: req.body.userId,
-        name: req.body.name,
-        desc: req.body.desc,
-        songs: req.body.songs.map(song => {
-            return{
-                source : song.source,
-                url : song.url
-            };
-        })
-    });
-    playlist.save()
-    .then(data => {
-        res.json(data);
-    })
-    .catch( err => {
-        res.json({message: err});
-    });
-});
+//POST routes 
+router.post('/', playlist_controller.add_playlist);
 
 module.exports = router;

routes/Playlist.js

@@ -0,0 +1,8 @@
+const express = require('express');
+const spotify_controller = require('../controllers/spotifyController');
+const router = express.Router();
+
+//GET routes 
+router.get('/', spotify_controller.getAuthorization);
+
+module.exports = router;