netease music tag tail

发表于 分类于 本文字数： 246

手机上的网易云音乐确实好用，可怜我10G的内存快塞满了orz，下歌必须下高品质啊有木有！无意中发现，下载的歌的ID3标签的comment字段都是一段奇怪的字符串。类似这样：

163 key(Don't modify):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

强迫症犯了啊，必须弄清楚这是什么鬼东西！经过不屑努力，在客户端反编的代码里反复找，终于搞明白了。顺手推荐个辅助解密的网站character_translator。这是一段json数据经过AES加密后Base64编码后得到的。

netease-music-tag
还原回来就是：

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music:
{
  "albumId": 2084576,
  "alias": [],
  "mMusic": "{\"fid\":2007708232328038,\"br\":160000,\"size\":10701396}",
  "album": "Eternal Light",
  "musicId": 22712173,
  "musicName": "Refrain",
  "mvId": 0,
  "duration": 532000,
  "lMusic": "{\"fid\":2008807743955814,\"br\":96000,\"size\":6437585}",
  "bitrate": 320000,
  "albumPic": "http://p2.music.126.net/fNtMX44fvaGByURP0AbOZQ==/836728348761063.jpg",
  "mp3DocId": 1981319953261764,
  "artist": [
    [
      "Anan Ryoko",
      16069
    ]
  ],
  "hMusic": "{\"fid\":1981319953261764,\"br\":320000,\"size\":21359877}",
  "albumPicDocId": 836728348761063
}

已经很清楚了~不过，有啥用？额。。。。