removed worker bullshit

dzunlock.user.js

@@ -3,7 +3,7 @@
 // @namespace   io.github.uhwot.dzunlock
 // @description enables deezer premium features lol
 // @author      uh wot
-// @version     1.2.5
+// @version     1.2.6
 // @license     GPL-3.0-only
 // @homepageURL https://git.freezer.life/uhwot/dzunlock
 // @downloadURL https://git.freezer.life/uhwot/dzunlock/raw/branch/master/dzunlock.user.js
@@ -12,6 +12,7 @@
 // @match       https://www.deezer.com/search/*
 // @match       https://www.deezer.com/account/*
 // @match       https://www.deezer.com/smarttracklist/*
+// @require     https://cdnjs.cloudflare.com/ajax/libs/aes-js/3.1.2/index.min.js
 // @grant       GM_getValue
 // @grant       GM_setValue
 // @run-at      document-start
@@ -86,6 +87,46 @@ fetchIntercept = {
 
 const clientId = '119915'
 const clientSecret = '2f5b4c9785ddc367975b83d90dc46f5c'
+const playerTokenKey = [102, 228, 95, 242, 215, 50, 122, 26, 57, 216, 206, 38, 164, 237, 200, 85]
+const cipher = new aesjs.ModeOfOperation.ecb(playerTokenKey)
+
+function str2bin(str) {
+    return Array.from(str).map(function (item) {
+        return item.charCodeAt(0);
+    })
+}
+
+function bin2str(bin) {
+    return String.fromCharCode.apply(String, bin);
+}
+
+function decryptHex(hex) {
+    hex = aesjs.utils.hex.toBytes(hex)
+    return bin2str(cipher.decrypt(hex)).replace(/\0+$/, '')     // removes zero-padding
+}
+
+function encryptHex(str) {
+    // zero-padding
+    if (str.length % 16) {
+        str += '\x00'.repeat(16 - str.length % 16)
+    }
+
+    return aesjs.utils.hex.fromBytes(cipher.encrypt(str2bin(str)))
+}
+
+function playerTokenPatch(playerToken) {
+    playerToken = JSON.parse(decryptHex(playerToken))
+
+    // enables 320/flac quality selection
+    playerToken.audio_qualities.wifi_streaming = ['low', 'standard', 'high']
+    // disables previews
+    playerToken.streaming = true
+    playerToken.limited = false
+
+    log(playerToken)
+
+    return encryptHex(JSON.stringify(playerToken))
+}
 
 async function renewAccessToken() {
     let url = `https://connect.deezer.com/oauth/access_token.php?grant_type=client_credentials&client_id=${clientId}&client_secret=${clientSecret}&output=json`
@@ -191,11 +232,23 @@ fetchIntercept.register({
             // disables call to get_url endpoint and enables track url gen
             json.results.__DZR_GATEKEEPS__.use_media_service = false
 
+            json.results.PLAYER_TOKEN = playerTokenPatch(json.results.PLAYER_TOKEN)
+
             log(json)
 
             return new Response(JSON.stringify(json))
         }
 
+        if (response.url.startsWith('https://www.deezer.com/ajax/gw-light.php?method=log.listen')) {
+            const json = await response.json()
+
+            if (typeof json.results === 'string') {
+                json.results = playerTokenPatch(json.results)
+            }
+
+            return new Response(JSON.stringify(json))
+        }
+
         return response;
     },
 
@@ -205,54 +258,3 @@ fetchIntercept.register({
         return Promise.reject(error);
     }
 });
-
-worker_input = function (e) {
-    let json = e.data
-    if (typeof json !== 'object') {
-        json = JSON.parse(json)
-    }
-    //console.log("input", json)
-    input = json
-    worker.postMessage(e.data)
-}
-
-worker_output = function (e) {
-    let json = e.data
-    if (typeof json !== 'object') {
-        json = JSON.parse(json)
-    }
-
-    if (input) {
-        if (input.message.token && !input.message.id) {
-            // player token decryption
-
-            // enables 320/flac quality selection
-            json.message.result.audio_qualities.wifi_streaming = ['low', 'standard', 'high']
-            // disables previews
-            json.message.result.streaming = true
-            json.message.result.limited = false
-
-            //console.log("player token output", json)
-            postMessage(JSON.stringify(json))
-            return
-        }
-    }
-
-    //console.log("output", json)
-    postMessage(e.data)
-}
-
-unsafeWindow.URL.createObjectURL = (function (old) {
-    return function (object) {
-        if (object instanceof Blob) {
-            let worker = `
-                let worker = new Worker('${old(object)}')
-                let input
-                worker.onmessage = ${String(worker_output)}
-                onmessage = ${String(worker_input)}
-            `
-            return old(new Blob([worker]))
-        }
-        return old(object);
-    };
-})(unsafeWindow.URL.createObjectURL);