// ==UserScript==
// @name 电中在线学习辅助
// @namespace https://greasyfork.org/zh-CN/users/707063-genexy
// @version 202012111000
// @description 中央广播电视中等专业学校线学习辅助
// @author 流浪的蛊惑
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js
// @match *://zzx.ouchn.edu.cn/edu/public/student/*
// @grant none
// ==/UserScript==
/*MD5加密算法开始*/
var hexcase=0,chrsz=8;
function md5(s){return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function core_md5(x, len)
{
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
for(var i = 0; i < x.length; i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return Array(a, b, c, d);
}
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function core_hmac_md5(key, data)
{
var bkey = str2binl(key);
if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
var ipad = Array(16), opad = Array(16);
for(var i = 0; i < 16; i++)
{
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5C5C5C5C;
}
var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
}
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
function str2binl(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for(let i=0;i<str.length * chrsz;i+= chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
return bin;
}
function binl2hex(binarray)
{
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for(let i = 0; i < binarray.length * 4; i++)
{
str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);
}
return str;
}
/*MD5加密算法结束*/
var studata=null,spd=[],xxjl=0,xxrz={},scjz=true,xxtot=0,sysj=0,zsj=0;
function reTime(t){
let d=parseInt(t/86400);
let h=parseInt((t-d*86400)/3600);
let m=parseInt((t-d*86400-h*3600)/60);
let s=parseInt(t-d*86400-h*3600-m*60);
let rs=d.toString()+"日"+h.toString()+"时"+m.toString()+"分"+s.toString()+"秒";
return rs;
}
function login(un,up){//登陆平台
let pd={};
pd.username=un;
pd.userpass=up;
pd.isCheck=1;
$.ajax({
method:"POST",
url:"/edu/api/student/login",
dataType:"json",
data:pd,
success:function(e){
document.getElementById("msg").innerText=e.error_message;
if(e.error_code==2000){
document.getElementById("ksxxbtn").outerHTML="";
studata=e.data;
getCourseList();
}
}
});
}
function getCourseList(){//获取课程列表
let pd={};
pd.post_type="1";
pd.username=studata.username;
pd.usertype=studata.usertype;
pd.token=studata.token;
$.ajax({
method:"POST",
url:"/edu/api/student/getCourseList",
dataType:"json",
data:pd,
success:function(e){
if(e.error_code==2000){
for(let i=0;i<e.data.result.length;i++){
getCourseDetal(e.data.result[i]);
}
}
}
});
}
function getCourseDetal(data){//获取课程详细列表
let pd={};
pd.plan_id=data.plan_id;
pd.course_id=data.course_id;
pd.zy_course_id=data.zy_course_id;
pd.post_type="1";
pd.username=studata.username;
pd.usertype=studata.usertype;
pd.token=studata.token;
$.ajax({
method:"POST",
url:"/edu/api/student/getCourseDetal",
dataType:"json",
data:pd,
success:function(e){
if(e.error_code==2000){
for(let i=0;i<e.data.chapterTree.children.length;i++){
for(let j=0;j<e.data.chapterTree.children[i].children.length;j++){
let vd={};//视频信息
vd.course_id=pd.zy_course_id;
vd.section_id=e.data.chapterTree.children[i].children[j].section_id;
vd.video_time=e.data.chapterTree.children[i].children[j].video.duration;
vd.video_id=e.data.chapterTree.children[i].children[j].video.video_id;
vd.study_rate=e.data.chapterTree.children[i].children[j].video.study_rate;
zsj+=parseInt(vd.video_time);
xxtot++;
if(e.data.chapterTree.children[i].children[j].video.study_rate<100){//跳过已学完视频
sysj+=parseInt(vd.video_time);
spd.push(vd);
}
}
}
}
}
});
}
function sign(videoId,userName,VideoTime){//提交签名信息
userName="\""+userName+"\"";
var i = parseInt(videoId) + parseInt(userName.substr(1, 3)),
s = parseInt(VideoTime) + parseInt(userName.substr(4, 3)),
n = i.toString() + s.toString() + "570b17d5e4163b99c430cd3c26497de5";
return md5(n);
}
function videoEvents(data){//记录学习进度
let pd={};
pd.course_id=data.course_id;
pd.section_id=data.section_id;
pd.video_time=data.video_time;
pd.video_id=data.video_id;
pd.sign=sign(data.video_id,studata.username,data.video_time);
pd.username=studata.username;
pd.usertype=studata.usertype;
pd.token=studata.token;
$.ajax({
method:"POST",
url:"/edu/api/student/videoEvents",
dataType:"json",
data:pd,
success:function(e){
document.getElementById("msg").innerText=e.error_message;
if(e.error_code==2000){
xxjl++;
localStorage.setItem("学习日志",JSON.stringify(xxrz));
}else{
location.reload();//错误后刷新页面
}
}
});
}
(function() {
'use strict';
var info=document.getElementsByClassName("logo"),jgt=0,dl=document.getElementsByClassName("form-control"),dlbtn=document.getElementsByClassName("logC_btn");
dlbtn[0].outerHTML="<button id=\"ksxxbtn\" onclick=\"document.getElementsByClassName('form-control')[2].value='开始学习'\">开始学习</button>";
if(info.length>0){
info[0].innerHTML="<div class=\"logC_other\"><div id=\"xxjd\"></div><div id=\"xxjs\"></div><div id=\"msg\"></div><div id=\"xxsj\"></div><div id=\"xxss\"></div></div>";
}
setInterval(function(){
let xz=localStorage.getItem("学习日志");
if(xz!=null && scjz){
scjz=false;
xxrz=JSON.parse(xz);
dl[0].value=xxrz.username;
dl[1].value=xxrz.userpass;
dl[2].value="开始学习";
}
if(dl[2].value=="开始学习"){
dl[2].value="";
if(dl[0].value.length>1 && dl[1].value.length>1){
login(dl[0].value,dl[1].value);
if(scjz){
scjz=false;
xxrz.username=dl[0].value;
xxrz.userpass=dl[1].value;
localStorage.setItem("学习日志",JSON.stringify(xxrz));
}
}else{
document.getElementById("msg").innerText="请输入用户名和密码！";
}
}
if(xxjl<spd.length){
if(jgt<=0){
jgt=spd[xxjl].video_time;
}else if(jgt==1){
videoEvents(spd[xxjl]);
}
document.getElementById("xxjs").innerText="进度："+spd[xxjl].study_rate+"% 倒计时："+(jgt--);
document.getElementById("xxjd").innerText="已学："+xxjl+" 应学："+spd.length+" 总数："+xxtot;
document.getElementById("xxsj").innerText="总学时："+reTime(zsj);
sysj--;
document.getElementById("xxss").innerText="还要学："+reTime(sysj);
}else{
if(xz!=null && xxjl>0){
localStorage.removeItem("学习日志");
}
}
},1000);
})();
