// ==UserScript==
// @name         华东理工大学（ECUST）课程资源直链下载
// @version      1.0.3
// @description  ECUST课程资源直链下载，支持ppt(x),doc(x),pdf,mp4,flv,mp3,avi资源的下载，支持整节课资源批量下载。
// @author       ColdThunder11, bestzyq
// @match        *://*.chaoxing.com/mycourse/studentstudy?chapterId=*&courseId=*&clazzid=*&enc=*
// @match        *://*.chaoxing.com/coursedata?classId=*&courseId=*&type=*&ut=*&enc=*&cpi=*&openc=*
// @match        *://*.chaoxing.com/coursedata?courseId=*&classId=*&type=*&enc=*&ut=*&openc=*
// @match        *://*.chaoxing.com/coursedata/search?dataName=*&courseId=*&classId=*&ut=*&cpi=*&openc=*
// @match        *://*.chaoxing.com/coursedata?courseId=*&classId=*&type=*&ut=*&enc=*&cpi=*&openc=*
// @match        *://*.chaoxing.com/coursedata?courseId=*&dataName=*&dataId=*&type=*&parent=*&flag=*&classId=*&enc*&ut=*&cpi=*&openc=*
// @match        *://*.ecust.edu.cn/mycourse/studentstudy?chapterId=*&courseId=*&clazzid=*&enc=*
// @match        *://*.ecust.edu.cn/coursedata?classId=*&courseId=*&type=*&ut=*&enc=*&cpi=*&openc=*
// @match        *://*.ecust.edu.cn/coursedata?courseId=*&classId=*&type=*&enc=*&ut=*&openc=*
// @match        *://*.ecust.edu.cn/coursedata/search?dataName=*&courseId=*&classId=*&ut=*&cpi=*&openc=*
// @match        *://*.ecust.edu.cn/coursedata?courseId=*&classId=*&type=*&ut=*&enc=*&cpi=*&openc=*
// @match        *://*.ecust.edu.cn/coursedata?courseId=*&dataName=*&dataId=*&type=*&parent=*&flag=*&classId=*&enc*&ut=*&cpi=*&openc=*
// @match        *://*.ecust.edu.cn/mooc-ans/mycourse/studentstudy?chapterId=*&courseId=*&clazzid=*&enc=*
// @grant        none
// @namespace https://greasyfork.org/users/1257528
// ==/UserScript==
(function() {
'use strict';
var url=document.location.toString();
if(url.indexOf("coursedata")!=-1){
setTimeout(()=>{
if(document.getElementsByClassName("ct11_dl")[0]==null){
var fileList=document.getElementsByClassName("ZYCon")[0].childNodes[1].childNodes[3].childNodes;
for(var i=0;i<fileList.length;i++){
try{
if(fileList[i].getAttribute("type")!="afolder"){
let objectid=fileList[i].getAttribute("objectid");
var downloadTag = document.createElement("div");
downloadTag.setAttribute("href","javascript:void(0)");
//downloadTag.setAttribute("href","https://cs.e.ecust.edu.cn/download/"+objectid);
downloadTag.setAttribute("style","cursor:pointer;");
downloadTag.setAttribute("class","ct11_dl");
downloadTag.innerHTML="下载";
downloadTag.onclick = function name(params) {
window.location = "https://cs.e.ecust.edu.cn/download/"+objectid;
}
fileList[i].childNodes[3].childNodes[1].appendChild(downloadTag);
}
}
catch(e){}
}
}
},1500);
}
else{
setInterval(()=>{
var haveResource=false;
var downloadLinks;
var iframes=document.getElementsByTagName("iframe");
for(var i=0;i<iframes.length;i++){
var frames=iframes[i].contentWindow.document.getElementsByTagName("iframe");
for(var j=0;j<frames.length;j++){
var frame=frames[j];
if(!frame) return;
var fdiv=frame.parentNode;
if(!fdiv) return;
if(iframes[i].contentWindow.document.getElementsByClassName("ct11_dl")[j]!=null) return;
var data=frame.getAttribute('data');
if(data!=null){
let jsondata=JSON.parse(data);
if(jsondata.type==".ppt"||jsondata.type==".pptx"||jsondata.type==".mp4"||jsondata.type==".pdf"||jsondata.type==".flv"||jsondata.type==".doc"||jsondata.type==".docx"||jsondata.type==".avi"||jsondata.type==".wmv"||jsondata.type==".mpg"||jsondata.type==".mpeg"){
if(!haveResource) {
haveResource=true;
downloadLinks=new Array();
}
downloadLinks.push("https://cs.e.ecust.edu.cn/download/"+jsondata.objectid)
var downloadTag = document.createElement("div");
downloadTag.setAttribute("href","javascript:void(0)");
//downloadTag.setAttribute("href","https://cs.e.ecust.edu.cn/download/"+jsondata.objectid);
downloadTag.setAttribute("class","ct11_dl");
downloadTag.setAttribute("style","font-size: 14px;color: #666666;cursor:pointer;");
downloadTag.innerHTML="点此下载 "+jsondata.name;
downloadTag.onclick = function name(params) {
window.location = "https://cs.e.ecust.edu.cn/download/"+jsondata.objectid;
}
fdiv.appendChild(downloadTag);
continue;
}
}
if(frame.getAttribute("name")==null) continue;
if(frame.getAttribute("name").substr(frame.getAttribute("name").length-4,4)==".mp3"){
if(!haveResource) {
haveResource=true;
downloadLinks=new Array();
}
downloadLinks.push("https://cs.e.ecust.edu.cn/download/"+frame.getAttribute("objectid"))
let objectId = frame.getAttribute("objectid");
var adownloadTag = document.createElement("div");
adownloadTag.setAttribute("href","javascript:void(0)");
//adownloadTag.setAttribute("href","https://cs.e.ecust.edu.cn/download/"+frame.getAttribute("objectid"));
adownloadTag.setAttribute("class","ct11_dl");
adownloadTag.setAttribute("style","font-size: 14px;color: #666666;cursor:pointer;");
adownloadTag.innerHTML="点此下载 "+frame.getAttribute("name");
adownloadTag.onclick = function name(params) {
window.location = "https://cs.e.ecust.edu.cn/download/"+ objectId;
}
continue;
}
}
}
if(haveResource){
if(iframes[0].parentNode.getElementsByClassName("ct11_dl")[0]!=null) iframes[0].parentNode.getElementsByClassName("ct11_dl")[0].remove()
var allDownloadTag = document.createElement("div");
allDownloadTag.setAttribute("class","ct11_dl");
allDownloadTag.setAttribute("style","font-size: 14px;color: #666666;cursor:pointer;");
allDownloadTag.setAttribute("href","javascript:void(0)");
allDownloadTag.innerHTML="点此下载本节内的全部资源";
allDownloadTag.onclick = function name(params) {
for(var i=0;i<downloadLinks.length;i++){
const iiframe = document.createElement("iframe");
iiframe.style.display = "none";
iiframe.style.height = 0;
iiframe.src = downloadLinks[i];
document.body.appendChild(iiframe);
setTimeout(()=>{
iiframe.remove();
}, 10000);
}
}
iframes[0].parentNode.insertBefore(allDownloadTag,iframes[0])
}
},3000);
}
})();