SpotifyDownloader

.gitignore

@@ -131,4 +131,5 @@ dist
 .pnp.*
 
 cache
-/cache.json
+/cache.json
+/config.json

defaults/config.json

@@ -0,0 +1,5 @@
+{
+    "Spotify": {
+        "client_secret": ""
+    }
+}

index.js

@@ -6,12 +6,14 @@ WebSocket = require('ws')
 const PORT = process.env.PORT || 8080
 
 const cachePath = path.join(__dirname, "cache"),
-cacheFile = path.join(__dirname, "cache.json")
+cacheFile = path.join(__dirname, "cache.json"),
+configFile = path.join(__dirname, "config.json")
 
 if (!fs.existsSync(cachePath)) { fs.mkdirSync(cachePath) }
 if (!fs.existsSync(cacheFile) || !JSON.parse(fs.readFileSync(cacheFile)).songs) { 
     fs.writeFileSync(cacheFile, fs.readFileSync(path.join(__dirname, "defaults/cache.json"))) 
 }
+if (!fs.existsSync(configFile)) { fs.writeFileSync(configFile, fs.readFileSync(path.join(__dirname, "defaults/config.json")))}
 
 var cacheDirs = ["songs", "imgs"]
 for (var i = 0; i < cacheDirs.length; i++) {
@@ -20,6 +22,14 @@ for (var i = 0; i < cacheDirs.length; i++) {
     }
 }
 
+var conf = JSON.parse(fs.readFileSync(path.join(__dirname, "config.json")))
+
+const Spotify = require("spotifydl-core").default
+const spotifydl = new Spotify({
+    clientId: "5420a0e8fae24101ac6ad57278bde694",
+    clientSecret: conf.Spotify.client_secret
+})
+
 const songCache = path.join(cachePath, "songs"),
 imgCache = path.join(cachePath, "imgs")
 
@@ -27,6 +37,8 @@ var app = express()
 
 const imgWaitMax = 2
 
+app.use("/songs", express.static(songCache))
+
 app.get("/cached/*", (req, res) => {
     var imgURL = req.originalUrl
     imgURL = imgURL.substring(imgURL.indexOf("/", 2) + 1)
@@ -130,6 +142,17 @@ function socketeer() {
         } else if (data.op == 0) {
             var lanyardData = data.d
 
+            var spotify = lanyardData.spotify
+
+            if (conf.Spotify.client_secret && spotify) {
+                var trackURL = "https://open.spotify.com/track/" + spotify.track_id
+
+                var songPath = path.join(cachePath, "/songs/", spotify.track_id + ".mp3")
+                if (!fs.existsSync(songPath)) {
+                    await spotifydl.downloadTrack(trackURL, songPath)
+                }
+            }
+
             for (let index = 0; index < lanyardData.activities.length; index++) {
                 const activity = lanyardData.activities[index];