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open163_download

download subtitle and video in netease open163

  1. // ==UserScript==
  2. // @name         open163_download
  3. // @namespace    zt
  4. // @version      0.1
  5. // @description  download subtitle and video in netease open163
  6. // @author       zt
  7. // @include      http://*.163.com/movie/*
  8. // @include      http://*.163.com/special/*
  9. // ==/UserScript==
  10. var debug = true;
  11.  
  12. var xbug = debug ? console.debug.bind(console) : function(){},
  13.     xlog = debug ? console.log.bind(console) : function(){};
  14.  
  15.  
  16. function insertAfter( newElement, targetElement ){ // newElement是要追加的元素 targetElement 是指定元素的位置 
  17.     var parent = targetElement.parentNode; // 找到指定元素的父节点 
  18.     if( parent.lastChild == targetElement ){ // 判断指定元素的是否是节点中的最后一个位置 如果是的话就直接使用appendChild方法 
  19.         parent.appendChild( newElement, targetElement ); 
  20.     }else{ 
  21.         parent.insertBefore( newElement, targetElement.nextSibling ); 
  22.     }
  23. }
  24.  
  25. //获得视频，字幕链接
  26. function geturl(url,doc,callback){
  27.     //var lc = location,url = location.href,doc = document;
  28.     var piece_url = url.split('/');
  29.     //xbug(doc);
  30.     var scripts = doc.getElementsByTagName("script");
  31.     //xbug(scripts);
  32.     var curmovieappsrc = null;
  33.     for(var i=0;i<scripts.length;i++){
  34.         if(scripts[i].textContent == ""){
  35.             continue;
  36.         }
  37.         var re= /(http:\/\/mov\.bn\.netease\.com\/open\-movie\/nos+[^']*)/i;
  38.         temp = re.exec(scripts[i].textContent);
  39.         //xbug(temp);
  40.         if(temp != null)
  41.             curmovieappsrc = temp[0];
  42.     }
  43.     //xbug(curmovieappsrc);
  44.     //var curmovie = openCourse.getCurrentMovie();
  45.     //var curmovieappsrc = curmovie.appsrc;
  46.     var curmovieflv = "";
  47.     curmovieflv = curmovieappsrc.replace(".m3u8",".flv").replace("mp4","flv");
  48.     var lenofpurl = piece_url.length;
  49.     piece_url[lenofpurl-1] = "2_" + piece_url[lenofpurl-1].split(".")[0] + ".xml";
  50.     var xml_url = "http://live.ws.126.net/movie/" + piece_url.slice(lenofpurl-3).join("/");
  51.     //xbug(curmovieflv);
  52.     //xbug(xml_url);
  53.     var zh_srt = "";
  54.     var en_srt = "";
  55.     GM_xmlhttpRequest({
  56.         method: 'GET',
  57.         url: xml_url,
  58.         onload: function(res){
  59.             var xmldoc = "";
  60.             if(res.status==200){
  61.                 // For Firefox
  62.                 xmldoc = new DOMParser().parseFromString(res.responseText, 'text/html');
  63.                 // For Chrome
  64.                 if(xmldoc == undefined){
  65.                     xmldoc = doc.implementation.createHTMLDocument("");
  66.                     xmldoc.querySelector('html').innerHTML = res.responseText;
  67.                 }
  68.                 //xbug(xmldoc);
  69.                 var all = xmldoc.getElementsByTagName("all")[0];
  70.                 //xbug(all);
  71.                 var subs = all.getElementsByTagName("subs")[0].childNodes;
  72.                 //xbug(subs);
  73.                 for(var i=0;i<subs.length;i++){
  74.                     var name = subs[i].getElementsByTagName("name")[0].textContent;
  75.                     if(name == "中文")
  76.                         zh_srt = subs[i].getElementsByTagName("url")[0].textContent;
  77.                     if(name == "英文")
  78.                         en_srt = subs[i].getElementsByTagName("url")[0].textContent;
  79.                 }
  80.                 //xbug(curmovieflv);
  81.                 callback(curmovieflv,zh_srt,en_srt);
  82.             }
  83.         }
  84.     });
  85. }
  86. //获得单独视频页面
  87. function getmovpage(movurlt,doc,callback){
  88.     //xbug(movurlt);
  89.     GM_xmlhttpRequest({
  90.         method: 'GET',
  91.         url: movurlt,
  92.         onload: function(res){
  93.             if(res.status==200){
  94.                 // For Firefox
  95.                 var movdoc = new DOMParser().parseFromString(res.responseText, 'text/html');
  96.                 // For Chrome
  97.                 if(movdoc == undefined){
  98.                     movdoc = doc.implementation.createHTMLDocument("");
  99.                     movdoc.querySelector('html').innerHTML = res.responseText;
  100.                 }
  101.                 //xbug(movdoc);
  102.                 callback(movdoc);
  103.             }
  104.         }
  105.     });
  106. }
  107. //在课程的页面插入
  108. function insert2(curmovieflv,zh_srt,en_srt,insertplace,doc){
  109.     if(en_srt != ""){
  110.         var ensrt = doc.createElement("a");
  111.         ensrt.innerHTML = '<a href="' + en_srt + '"><em class="f-cgreen"> 英文</em></a>';
  112.         insertAfter(ensrt, insertplace.nextSibling);
  113.     }
  114.     if(zh_srt != ""){
  115.         var zhsrt = doc.createElement("a");
  116.         zhsrt.innerHTML = '<a href="' + zh_srt + '"><em class="f-cgreen"> 中文</em></a>';
  117.         insertAfter(zhsrt, insertplace.nextSibling);
  118.     }
  119.     if(curmovieflv != ""){
  120.         c = count+1;
  121.         var flv = doc.createElement("a");
  122.         flv.innerHTML = '<a href="' + curmovieflv + '"><em class="f-cgreen"> 视频'+'</em></a>';
  123.         insertAfter(flv, insertplace.nextSibling);
  124.     }
  125. }
  126. //在单独的视频页面插入
  127. function insert(curmovieflv,zh_srt,en_srt,insertplace,doc){
  128.     if(en_srt != ""){
  129.         var ensrt = doc.createElement("span");
  130.         ensrt.className = "f-fl intro f-pr";
  131.         ensrt.innerHTML = '<a href="' + en_srt + '"><em class="f-cgreen"> 英文</em></a>';
  132.         insertAfter(ensrt, insertplace.nextSibling);
  133.     }
  134.     if(zh_srt != ""){
  135.         var zhsrt = doc.createElement("span");
  136.         zhsrt.className = "f-fl intro f-pr";
  137.         zhsrt.innerHTML = '<a href="' + zh_srt + '"><em class="f-cgreen"> 中文</em></a>';
  138.         insertAfter(zhsrt, insertplace.nextSibling);
  139.     }
  140.     if(curmovieflv != ""){
  141.         var flv = doc.createElement("span");
  142.         flv.className = "f-fl intro f-pr";
  143.         flv.innerHTML = '<a href="' + curmovieflv + '"><em class="f-cgreen"> 视频</em></a>';
  144.         xbug(curmovieflv);
  145.         insertAfter(flv, insertplace.nextSibling);
  146.     }
  147. }
  148.  
  149. var count = 0;
  150. var ahref = new Array();
  151. var movurl = new Array();
  152. var timer = null;
  153. //请求单独视频页面，得到视频字幕链接，然后插入
  154. function sentMsg(){
  155.     if(count < movurl.length){
  156.         
  157.         //xbug("c",count,"c");
  158.         getmovpage(movurl[count],document,function(movdoc){
  159.                 //xbug("h",count,"h");
  160.                 //xbug(movurl[count]);
  161.                 geturl(movurl[count],movdoc,function(curmovieflv,zh_srt,en_srt){
  162.                     //xbug(movdoc);
  163.                     insert2(curmovieflv,zh_srt,en_srt,ahref[count],document);
  164.                     count++;
  165.                 });
  166.             });
  167.         //sleep(5000);
  168.  
  169.     }else {
  170.         clearInterval(timer);
  171.  
  172.     }
  173.  
  174. }
  175.  
  176. function sleep(n) {
  177.     var start = new Date().getTime();
  178.     while(true)  if(new Date().getTime()-start > n) break;
  179. }
  180. //处理课程页面
  181. function processspecialpage(url,doc){
  182.     var list1 = doc.getElementById("list1");
  183.     var list2 = doc.getElementById("list2");
  184.     var list1tr = list1.getElementsByTagName("tr");
  185.     var list2tr = list2.getElementsByTagName("tr");
  186.     var listtr = new Array();
  187.     var i;
  188.     for(i = 0;i<list1tr.length;i++){
  189.         listtr[i] = list1tr[i]; 
  190.     }
  191.     for(;i<list1tr.length+list2tr.length;i++){
  192.         listtr[i]=list2tr[i-list1tr.length];
  193.     }
  194.     var j = 0;
  195.     for(i=0;i<listtr.length;i++){
  196.         if(listtr[i].getAttribute("class") == null)
  197.             continue;
  198.         //xbug(i);
  199.         if(listtr[i].getAttribute("class")=="u-even" || listtr[i].getAttribute("class")=="u-odd"){
  200.             ahref[j] = listtr[i].getElementsByTagName("a")[0];
  201.             //xbug(ahref);
  202.             movurl[j] = ahref[j].getAttribute("href");
  203.             j++;
  204.             //xbug(movurl[i]);
  205.             //xbug("hi",i,"hi");
  206.         }
  207.     }
  208.     //xbug(movurl);
  209.     count = 0;
  210.     timer = setInterval(sentMsg,3000);
  211. }
  212. //处理单独视频页面
  213. function processmoviepage(url,doc){
  214.     geturl(url,doc,function(curmovieflv,zh_srt,en_srt){
  215.         //xbug(flvandsrt);
  216.         var spantags = doc.getElementsByTagName("span");    
  217.         //xbug(spantags);
  218.         var intro = null;
  219.         for(i=0;i<spantags.length;i++){
  220.             if(spantags[i].getAttribute("class") == null)
  221.                 continue;
  222.             //xbug(spantags[i].getAttribute("class"));
  223.             if (spantags[i].getAttribute("class") == "f-fl intro f-c6 f-pr j-hoverdown") {
  224.                 intro=spantags[i];
  225.                 break;
  226.             }
  227.         }
  228.         //xbug(intro);
  229.         if(intro == null)
  230.             return;
  231.         insert(curmovieflv,zh_srt,en_srt,intro,doc);
  232.     });
  233. }
  234.  
  235.  
  236. function open163(){
  237.     var lc = location,url = location.href,doc = document;
  238.     if(url.indexOf("special/") >= 0){
  239.         processspecialpage(url,doc);
  240.     }
  241.     else{
  242.         processmoviepage(url,doc);
  243.     }
  244. }
  245. open163();

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