Bump Version

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "unlock-music",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1074,7 +1074,7 @@
     },
     "@types/debug": {
       "version": "4.1.5",
-      "resolved": "https://registry.npm.taobao.org/@types/debug/download/@types/debug-4.1.5.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Fdebug%2Fdownload%2F%40types%2Fdebug-4.1.5.tgz",
+      "resolved": "https://registry.npm.taobao.org/@types/debug/download/@types/debug-4.1.5.tgz",
       "integrity": "sha1-sU76iFK3do2JiQZhPCP2iHE+As0="
     },
     "@types/events": {
@@ -8929,9 +8929,9 @@
       }
     },
     "register-service-worker": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npm.taobao.org/register-service-worker/download/register-service-worker-1.6.2.tgz",
-      "integrity": "sha1-kpflTCBcNxxuSb+oj2mX6N0xX0w="
+      "version": "1.7.0",
+      "resolved": "https://registry.npm.taobao.org/register-service-worker/download/register-service-worker-1.7.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fregister-service-worker%2Fdownload%2Fregister-service-worker-1.7.0.tgz",
+      "integrity": "sha1-tLYNh6HRF/EZv9JOzgc9zbhdrmQ="
     },
     "regjsgen": {
       "version": "0.5.1",
@@ -10392,7 +10392,7 @@
     },
     "typedarray-to-buffer": {
       "version": "3.1.5",
-      "resolved": "https://registry.npm.taobao.org/typedarray-to-buffer/download/typedarray-to-buffer-3.1.5.tgz",
+      "resolved": "https://registry.npm.taobao.org/typedarray-to-buffer/download/typedarray-to-buffer-3.1.5.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftypedarray-to-buffer%2Fdownload%2Ftypedarray-to-buffer-3.1.5.tgz",
       "integrity": "sha1-qX7nqf9CaRufeD/xvFES/j/KkIA=",
       "requires": {
         "is-typedarray": "^1.0.0"

package.json

@@ -1,7 +1,7 @@
 {
   "name": "unlock-music",
-  "version": "1.3.3",
-  "updateInfo": "支持网易云音乐DJ类型ncm；优化旧浏览器的支持",
+  "version": "1.3.4",
+  "updateInfo": "修复解锁无元数据的ncm文件时会产生的错误",
   "license": "MIT",
   "description": "Unlock encrypted music file in browser.",
   "repository": {
@@ -20,7 +20,7 @@
     "crypto-js": "^4.0.0",
     "element-ui": "^2.13.0",
     "music-metadata-browser": "^2.0.4",
-    "register-service-worker": "^1.6.2",
+    "register-service-worker": "^1.7.0",
     "vue": "^2.6.11"
   },
   "devDependencies": {

src/App.vue

@@ -140,8 +140,8 @@
                 });
                 if (process.env.NODE_ENV === 'production') {
                     window._paq.push(["trackEvent", "Error", errInfo, filename]);
-                    console.error(errInfo, filename);
                 }
+                console.error(errInfo, filename);
             },
             changePlaying(url) {
                 this.playing_url = url;

src/decrypt/common.js

@@ -9,7 +9,7 @@ export async function CommonDecrypt(file) {
     let rt_data;
     switch (raw_ext) {
         case "ncm":// Netease Mp3/Flac
-            rt_data = await NcmDecrypt.Decrypt(file.raw);
+            rt_data = await NcmDecrypt.Decrypt(file.raw, raw_filename, raw_ext);
             break;
         case "mp3":// Raw Mp3
         case "flac"://Raw Flac

src/decrypt/ncm.js

@@ -2,10 +2,9 @@ const CryptoJS = require("crypto-js");
 const ID3Writer = require("browser-id3-writer");
 const CORE_KEY = CryptoJS.enc.Hex.parse("687a4852416d736f356b496e62617857");
 const META_KEY = CryptoJS.enc.Hex.parse("2331346C6A6B5F215C5D2630553C2728");
-import {AudioMimeType, DetectAudioExt, GetArrayBuffer} from "./util"
-
-export async function Decrypt(file) {
+import {AudioMimeType, DetectAudioExt, GetArrayBuffer, GetFileInfo} from "./util"
 
+export async function Decrypt(file, raw_filename, raw_ext) {
     const fileBuffer = await GetArrayBuffer(file);
     const dataView = new DataView(fileBuffer);
 
@@ -13,32 +12,34 @@ export async function Decrypt(file) {
         dataView.getUint32(4, true) !== 0x4d414446)
         return {status: false, message: "此ncm文件已损坏"};
 
-
     const keyDataObj = getKeyData(dataView, fileBuffer, 10);
     const keyBox = getKeyBox(keyDataObj.data);
 
     const musicMetaObj = getMetaData(dataView, fileBuffer, keyDataObj.offset);
     const musicMeta = musicMetaObj.data;
-
     let audioOffset = musicMetaObj.offset + dataView.getUint32(musicMetaObj.offset + 5, true) + 13;
     let audioData = new Uint8Array(fileBuffer, audioOffset);
 
     for (let cur = 0; cur < audioData.length; ++cur) audioData[cur] ^= keyBox[cur & 0xff];
 
-    if (musicMeta.format === undefined) musicMeta.format = DetectAudioExt(audioData, "mp3");
 
-    const mime = AudioMimeType[musicMeta.format];
+    if (musicMeta.album === undefined) musicMeta.album = "";
 
     const artists = [];
-    musicMeta.artist.forEach(arr => artists.push(arr[0]));
-    if (musicMeta.format === "mp3")
-        audioData = await writeID3(audioData, artists, musicMeta.musicName, musicMeta.album, musicMeta.albumPic);
+    if (!!musicMeta.artist) musicMeta.artist.forEach(arr => artists.push(arr[0]));
+    const info = GetFileInfo(artists.join(" & "), musicMeta.musicName, raw_filename);
+    if (artists.length === 0) artists.push(info.artist);
 
+    if (musicMeta.format === undefined) musicMeta.format = DetectAudioExt(audioData, "mp3");
+    if (musicMeta.format === "mp3")
+        audioData = await writeID3(audioData, artists, info.title, musicMeta.album, musicMeta.albumPic);
+
+    const mime = AudioMimeType[musicMeta.format];
     const musicData = new Blob([audioData], {type: mime});
     return {
         status: true,
-        title: musicMeta.musicName,
-        artist: artists.join(" & "),
+        title: info.title,
+        artist: info.artist,
         ext: musicMeta.format,
         album: musicMeta.album,
         picture: musicMeta.albumPic,
@@ -129,9 +130,7 @@ function getKeyBox(keyData) {
 function getMetaData(dataView, fileBuffer, offset) {
     const metaDataLen = dataView.getUint32(offset, true);
     offset += 4;
-    if (metaDataLen === 0) {
-        return {};
-    }
+    if (metaDataLen === 0) return {data: {}, offset: offset};
 
     const cipherText = new Uint8Array(fileBuffer, offset, metaDataLen).map(
         data => data ^ 0x63

vue.config.js

@@ -1,6 +1,6 @@
 module.exports = {
     publicPath: '',
-    productionSourceMap: true,
+    productionSourceMap: false,
     pwa: {
         workboxOptions: {
             skipWaiting: true