// ==UserScript==
// @name SIT上应第二课堂日程助手
// @namespace snomiao@gmail.com
// @version 0.2
// @description 功能：1) 在任意活动内下载ical格式的日程表 2)一键显示前200项活动
// @author snomiao
// @match http://sc.sit.edu.cn/*
// @match https://sc.sit.edu.cn/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
//导入MD5函数
String.prototype.MD5 = function(){
var string = this;
function RotateLeft(lValue, iShiftBits) {
return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
}
function AddUnsigned(lX,lY) {
var lX4,lY4,lX8,lY8,lResult;
lX8 = (lX & 0x80000000);
lY8 = (lY & 0x80000000);
lX4 = (lX & 0x40000000);
lY4 = (lY & 0x40000000);
lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
if (lX4 & lY4) {
return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
}
if (lX4 | lY4) {
if (lResult & 0x40000000) {
return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
} else {
return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
}
} else {
return (lResult ^ lX8 ^ lY8);
}
}
function F(x,y,z) { return (x & y) | ((~x) & z); }
function G(x,y,z) { return (x & z) | (y & (~z)); }
function H(x,y,z) { return (x ^ y ^ z); }
function I(x,y,z) { return (y ^ (x | (~z))); }
function FF(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function GG(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function HH(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function II(a,b,c,d,x,s,ac) {
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
return AddUnsigned(RotateLeft(a, s), b);
};
function ConvertToWordArray(string) {
var lWordCount;
var lMessageLength = string.length;
var lNumberOfWords_temp1=lMessageLength + 8;
var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
var lWordArray=Array(lNumberOfWords-1);
var lBytePosition = 0;
var lByteCount = 0;
while ( lByteCount < lMessageLength ) {
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
lByteCount++;
}
lWordCount = (lByteCount-(lByteCount % 4))/4;
lBytePosition = (lByteCount % 4)*8;
lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
lWordArray[lNumberOfWords-2] = lMessageLength<<3;
lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
return lWordArray;
};
function WordToHex(lValue) {
var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
for (lCount = 0;lCount<=3;lCount++) {
lByte = (lValue>>>(lCount*8)) & 255;
WordToHexValue_temp = "0" + lByte.toString(16);
WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
}
return WordToHexValue;
};
function Utf8Encode(string) {
string = string.replace(/\r\n/g,"\n");
var utftext = "";
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
}
else if((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
}
else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
};
var x=Array();
var k,AA,BB,CC,DD,a,b,c,d;
var S11=7, S12=12, S13=17, S14=22;
var S21=5, S22=9 , S23=14, S24=20;
var S31=4, S32=11, S33=16, S34=23;
var S41=6, S42=10, S43=15, S44=21;
string = Utf8Encode(string);
x = ConvertToWordArray(string);
a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
for (k=0;k<x.length;k+=16) {
AA=a; BB=b; CC=c; DD=d;
a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
d=GG(d,a,b,c,x[k+10],S22,0x2441453);
c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
a=II(a,b,c,d,x[k+0], S41,0xF4292244);
d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
c=II(c,d,a,b,x[k+6], S43,0xA3014314);
b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
a=AddUnsigned(a,AA);
b=AddUnsigned(b,BB);
c=AddUnsigned(c,CC);
d=AddUnsigned(d,DD);
}
var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
return temp.toLowerCase();
}
function httpGetAsync(theUrl, callback)
{
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function(){
if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
callback(xmlHttp.responseText);
}
}
xmlHttp.open("GET", theUrl, true); // true for asynchronous
xmlHttp.send(null);
}
var parseEventData = (html) => {
var re = {}
// 样例
var 抓取html样例 = `<h1 class="title_8">【学工部】上海应用技术大学2019届毕业生春季校园综合招聘会</h1>
<div style=" color:#7a7a7a; text-align:center">
活动编号：1053790
活动开始时间：2019-3-29 13:00:00
活动地点：大学生活动中心一楼大厅、第二食堂二楼
活动时长：150 分钟<br />
负责人：吴晓燕
负责人电话：60873212
主办方：学工部
承办方：就业指导服务中心
刷卡时间段：2019-03-29 12:50:00 --至-- 2019-03-15 15:20:00
!?
</div>`
var eleHTML = document.createElement("html")
eleHTML.innerHTML = html;
var scEvent = {}
var 活动信息 = eleHTML.querySelector("div.box-1 > div:nth-child(2)").innerHTML.replace(/ /g," ").replace(/<br>/g,"").split('\n').map(x=>x).join('\n');
scEvent.hash = ("第二课堂活动：" + 活动信息.match(/活动编号：(.*)/m)[1]).MD5(32)
scEvent.subject = eleHTML.querySelector("h1").innerText;
scEvent.starts = new Date(活动信息.match(/刷卡时间段：([-\d]+ [:\d]+).*?[-\d]+ [:\d]+/m)[1])
scEvent.ends = new Date(活动信息.match(/刷卡时间段：[-\d]+ [:\d]+.*?([-\d]+ [:\d]+)/m)[1])
scEvent.location = 活动信息.match(/活动地点：(.*)/m)[1]
scEvent.description = 活动信息 + '\n\n' + eleHTML.querySelector("div.box-1 > div:nth-child(3)").innerText
return scEvent;
}
// activityList.action 活动列表页面
var make_ical = (events)=>{
var CALNAME = "第二课堂活动日历"
var EVENTS = events.map(event=>{
// ical样例
// BEGIN:VEVENT
// DTSTART:20190308T050000Z
// DTEND:20190308T063500Z
// UID:8523315dacd42732383e3f8d07b9cd88@snomiao.com
// SUMMARY:大学生体育测试（一）/1850769/B1230001/张群/0.5分/第2周,周5,第5-6节
// DESCRIPTION:课程序号: 1850769\n课程名称: 大学生体育测试（一）\n课程代码: B
// 1230001\n课程类型: 公共基础课\n课程学分: 0.5\n授课老师: 张
// 群\n上课时间: 第2-5周,周5,第5-6节\n上课地点: 奉贤操场\n校区:
// 奉贤校区\n计划人数: 44\n已选人数: 44\n挂牌: 是\n配课班: 1
// 6101291, 16101261\n备注: \n
// LOCATION:奉贤操场
// END:VEVENT
var EVENT_UID = event.hash + `@sit.snomiao.com`; //打算后面升级一下随机数算法
var EVENT_SUMMARY = event.subject;
var EVENT_DTSTART = (new Date(event.starts)).toISOString().replace(/-|:|\.\d+/g, '');
var EVENT_DTEND = (new Date(event.ends)).toISOString().replace(/-|:|\.\d+/g, '');
var EVENT_LOCATION = event.location;
var EVENT_DESCRIPTION = event.description
.split('\n').map(x=>x.trim()).join('\n').replace(/[ ]+/g, " ").replace(/[\r\n]+/g, "\n") /*删除多余的空格和换行*/
.replace(/\n/g,'\\n').replace(/.{40}/g, c => c + '\r\n ')/*reshape为ICAL可以接受的格式*/
var section = ""
section += `BEGIN:VEVENT\r\n`
section += `DTSTART:${EVENT_DTSTART}\r\n`
section += `DTEND:${EVENT_DTEND}\r\n`
//section += `RRULE:FREQ=WEEKLY;COUNT=11;BYDAY=FR\r\n` // 后续升级
section += `UID:${EVENT_UID}\r\n`; //
section += `SUMMARY:${EVENT_SUMMARY}\r\n`;
section += `DESCRIPTION:${EVENT_DESCRIPTION}\r\n`;
section += `LOCATION:${EVENT_LOCATION}\r\n`;
section += `END:VEVENT\r\n`;
return section;
}).join('\r\n');
var ics输出 = ``
ics输出 += `BEGIN:VCALENDAR\r\n`;
ics输出 += `VERSION:2.0\r\n`;
ics输出 += `CALSCALE:GREGORIAN\r\n`;
ics输出 += `X-WR-CALNAME:${CALNAME}\r\n`;
ics输出 += `X-WR-TIMEZONE:Asia/Shanghai\r\n`;
ics输出 += `BEGIN:VTIMEZONE\r\n`;
ics输出 += `TZID:Asia/Shanghai\r\n`;
ics输出 += `X-LIC-LOCATION:Asia/Shanghai\r\n`;
ics输出 += `BEGIN:STANDARD\r\n`;
ics输出 += `TZOFFSETFROM:+0800\r\n`;
ics输出 += `TZOFFSETTO:+0800\r\n`;
ics输出 += `TZNAME:CST\r\n`;
ics输出 += `DTSTART:19700101T000000\r\n`;
ics输出 += `END:STANDARD\r\n`;
ics输出 += `END:VTIMEZONE\r\n`;
ics输出 += `\r\n`;
ics输出 += EVENTS;
ics输出 += `\r\n`;
ics输出 += `END:VCALENDAR\r\n`;
return ics输出;
}
function download(href, title) {
const a = document.createElement('a');
a.setAttribute('href', href);
a.setAttribute('download', title);
a.click();
}
var download_text_plain = (text, title) => {
download(URL.createObjectURL(new Blob([text])), title);
}
// all
var mk_toolbar_ed = false;
var mk_toolbar = ()=>{
var container = document.querySelector(".user-info")
if(!container || mk_toolbar_ed){
return
}
var tool_bar = document.createElement("div")
container.append(tool_bar);
var toolbarHTML = `<a href="http://sc.sit.edu.cn/public/activity/activityList.action?pageNo=1&pageSize=200&categoryId=&activityName=">查看最近的200个活动</a>`
if(window.location.href.match("activityDetail.action")){
toolbarHTML += `<button onclick="download_current_activity_calendar_ical">下载ical日程（当前事件）</button>`
}else{
toolbarHTML += `<button onclick="download_listof_activity_calendar_ical">下载ical日程（当前列表）</button>`
}
tool_bar.innerHTML = toolbarHTML;
mk_toolbar_ed = true;
}
// 解析并下载当前页面的日历
window.download_current_activity_calendar_ical = () => {
var href = window.location;
httpGetAsync(href,(html)=>{
var re = parseEventData(html)
re.description += '\n' + href;
var ical_content = make_ical([re]);
download_text_plain(ical_content, "第二课堂活动：" + document.querySelector("h1").innerText + ".ical")
})
}
window.download_listof_activity_calendar_ical = () => {
// 获取当前页面上所有活动详情的URL;
var hrefs = [...document.querySelectorAll("a")].map(a=>a.href).filter(href=>!!href.match("activityDetail.action"))
// 开始下载
var events = [];
hrefs.forEach(href => {
httpGetAsync(href, (html)=>{
var event = parseEventData(html)
event.description += '\n' + href;
events.push(event)
if(events.length == hrefs.length){
var ical_content = make_ical(events);
download_text_plain(ical_content, document.querySelector("title").innerText + ".ical")
}
})
})
}
window.addEventListener("load", mk_toolbar)
mk_toolbar()
})();
