added album and playlist support

index.js

@@ -49,14 +49,7 @@ const format_string_to_num = {
     'misc': '0',
 }
 
-async function track(request) {
-    const url = new URL(request.url)
-    const id = url.pathname.split('/')[2]
-
-    if (id === "") {
-        return new Response("Track ID needs to be specified", {status: 400, headers: {'content-type': "text/plain"}})
-    }
-
+async function handler(type, request) {
     access_token = await KV.get("access_token")
     if (access_token === null) {
         const response = await fetch("https://connect.deezer.com/oauth/access_token.php?grant_type=client_credentials&client_id=447462&client_secret=a83bf7f38ad2f137e444727cfc3775cf&output=json")
@@ -69,14 +62,12 @@ async function track(request) {
         await KV.put("access_token", access_token, {expirationTtl: Number(json.expires)})
     }
 
-    const response = await fetch(`https://api.deezer.com/track/${id}?access_token=${access_token}`)
-    const json = await response.json()
-    if (json.error !== undefined) {
-        return new Response(JSON.stringify(json.error), {status: 403, headers: {'content-type': "application/json"}})
-    }
+    const url = new URL(request.url)
+    const id = url.pathname.split('/')[2]
 
-    const md5_origin = json.md5_origin
-    const media_version = json.media_version
+    if (id === "") {
+        return new Response("ID needs to be specified", {status: 400, headers: {'content-type': "text/plain"}})
+    }
 
     format = url.searchParams.get('f')
     if (format === null) {
@@ -96,21 +87,69 @@ async function track(request) {
         }
     }
 
+    switch (type) {
+        case 'track':
+            return await track(id, format, access_token)
+        case 'album':
+        case 'playlist':
+            return await m3u(type, id, format, access_token)
+    }
+}
+
+async function track(id, format, access_token) {
+    const response = await fetch(`https://api.deezer.com/track/${id}?access_token=${access_token}`)
+    const json = await response.json()
+    if (json.error !== undefined) {
+        return new Response(JSON.stringify(json.error), {status: 403, headers: {'content-type': "application/json"}})
+    }
+
+    result = await track_url(json, format)
+    if (typeof result === 'object') {
+        return result
+    }
+    return new Response(null, {status: 302, headers: {'location': result}})
+
+}
+
+async function track_url(json, format) {
+    const id = json.id
+    const md5_origin = json.md5_origin
+    const media_version = json.media_version
+
     if (json['filesize_' + format] === '0') {
         return new Response("Format unavailable", {status: 403, headers: {'content-type': "text/plain"}})
     }
 
     format = format_string_to_num[format]
 
-    const cdn_url = await url_gen(md5_origin, format, id, media_version)
+    return await url_gen(md5_origin, format, id, media_version)
+}
 
-    return new Response(null, {status: 302, headers: {'location': cdn_url}})
+async function m3u(type, id, format, access_token) {
+    const response = await fetch(`https://api.deezer.com/${type}/${id}?access_token=${access_token}&limit=-1`)
+    const json = await response.json()
+    if (json.error !== undefined) {
+        return new Response(JSON.stringify(json.error), {status: 403, headers: {'content-type': "application/json"}})
+    }
+
+    var list = "#EXTM3U\n"
+
+    for (const track of json.tracks.data) {
+        const result = await track_url(track, format)
+        if (typeof result === 'object') {
+            return result
+        }
+        list += `#EXTINF:${track.duration},${track.title}\n${result}\n`
+    }
+
+    return new Response(list, {status: 200, headers: {'content-type': 'audio/mpegurl'}})
 }
 
 async function handleRequest(request) {
     const r = new Router()
-    // Replace with the appropriate paths and handlers
-    r.get('/track/.*', () => track(request))
+    r.get('/track/.*', () => handler('track', request))
+    r.get('/album/.*', () => handler('album', request))
+    r.get('/playlist/.*', () => handler('playlist', request))
 
     const resp = await r.route(request)
     return resp