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Netease Music Download

网易云音乐下载地址

  1. // ==UserScript==
  2. // @name        Netease Music Download
  3. // @namespace   qixinglu.com
  4. // @description 网易云音乐下载地址
  5. // @include     http://music.163.com/*
  6. // @grant       none
  7. // @version 0.0.1.20140517140352
  8. // ==/UserScript==
  9.  
  10. var api = {
  11.  
  12.     detailUrl: function(songIds) {
  13.         var tpl = 'http://music.163.com/api/song/detail?ids=[${songIds}]';
  14.         return tpl.replace('${songIds}', songIds.join(','));
  15.     },
  16.  
  17.     detail: function(songIds, callback) {
  18.         var req = new XMLHttpRequest();
  19.         req.open('GET', this.detailUrl(songIds), true);
  20.         req.onload = function() {
  21.             callback(JSON.parse(this.responseText));
  22.         };
  23.         req.send();
  24.     },
  25.  
  26.     mediaUrl: function(songId) {
  27.         return 'http://music.163.com/api/song/media?id=' + songId;
  28.     },
  29.  
  30.     media: function(songId, callback) {
  31.         var req = new XMLHttpRequest();
  32.         req.open('GET', this.mediaUrl(songId), true);
  33.         req.onload = function() {
  34.             callback(JSON.parse(this.responseText));
  35.         };
  36.         req.send();
  37.     },
  38.  
  39. };
  40.  
  41. var innerFrame = document.querySelector('iframe');
  42.  
  43. var pages = [
  44. {
  45.     url: 'http://music.163.com/#/m/song?id=',
  46.     handler: function() {
  47.         var songId = location.href.match(/id=([0-9]+)/)[1];
  48.         var downloadLine = this.createDownloadLine(songId);
  49.  
  50.         var innerFrameDoc = innerFrame.contentWindow.document;
  51.         var albumNode = innerFrameDoc.querySelectorAll('p.des.s-fc4')[1];
  52.         var parentNode = albumNode.parentNode;
  53.         parentNode.insertBefore(downloadLine, albumNode.nextElementSibling);
  54.     },
  55.     createDownloadLine: function(songId) {
  56.         var disableStyle = function(link) {
  57.             link.text += '(无)';
  58.             link.style.color = 'gray';
  59.             link.style.textDecoration = 'none';
  60.             link.style.cursor = 'auto';
  61.         };
  62.  
  63.         var mp3Link = this.createLink('歌曲');
  64.         var lyricLink = this.createLink('歌词');
  65.  
  66.         api.detail([songId], function(result) {
  67.             var song = result.songs[0];
  68.             mp3Link.href = song.mp3Url;
  69.         });
  70.         api.media(songId, function(result) {
  71.             if (result.lyric) {
  72.                 lyricLink.href = 'data:text/plain;charset=utf-8,' +
  73.                                  encodeURIComponent(result.lyric);
  74.             } else {
  75.                 disableStyle(lyricLink);
  76.             }
  77.         });
  78.  
  79.         var container = this.createLineContainer('下载');
  80.         container.appendChild(mp3Link);
  81.         container.appendChild(lyricLink);
  82.         return container;
  83.     },
  84.     createLink: function(label) {
  85.         var link = document.createElement('a');
  86.         link.innerHTML = label;
  87.         link.className = 's-fc7';
  88.         link.style.marginRight = '10px';
  89.         link.href = 'javascript:void(0);';
  90.         return link;
  91.     },
  92.     createLineContainer: function(label) {
  93.         var container = document.createElement('p');
  94.         container.className = 'desc s-fc4';
  95.         container.innerHTML = label + '：';
  96.         container.style.margin = '10px 0';
  97.         return container;
  98.     },
  99. },
  100. ]
  101.  
  102. if (innerFrame) {
  103.     innerFrame.addEventListener('load', function() {
  104.         var i, page;
  105.         for (i = 0; i < pages.length; i += 1) {
  106.             var page = pages[i];
  107.             if (location.href.indexOf(page.url) == 0) {
  108.                 page.handler();
  109.             }
  110.         }
  111.     });
  112. }