优学院查题
// ==UserScript==
// @name 优学院查题
// @namespace http://tampermonkey.net/
// @version 1.1.1
// @description 查题
// @author fffkyxy
// @match */umooc/user/study.do*
// @grant unsafeWindow
// @grant GM_setClipboard
// @grant GM_xmlhttpRequest
// @run-at document-start
// @connect ulearn.ga
// ==/UserScript==
"use strict";
const set = {
get_answer: "https://ulearn.ga/get_answer",
upload_data: "https://ulearn.ga/upload_data",
heartbeat: "https://ulearn.ga/heartbeat",
dragging: false,
left: 0,
top: 0,
uid: -1,
timestamp: -1,
};
const ITF = {
post_form: function (url, data, onload, onerror) {
ITF.post(url, data, onload, onerror, { "Content-Type": "application/x-www-form-urlencoded" });
},
post: function (url, data, onload, onerror, headers) {
let data_form = new FD();
for (let value in data) {
data_form.append(value, data[value]);
}
GM_xmlhttpRequest({
method: "POST",
url: url,
headers: headers,
data: data_form.text,
onload: onload,
onerror: onerror,
});
},
get: function (url, data, onload, onerror) {
let data_form = new FD();
for (let value in data) {
data_form.append(value, data[value]);
}
GM_xmlhttpRequest({
method: "GET",
url: url + "?" + data_form.text,
onload: onload,
onerror: onerror,
});
},
upload_api: function (data, send) {
if (set.uid == -1) {
setTimeout(ITF.upload_api, 1000, data, true);
if (send === true) {
return;
}
}
ITF.post_form(set.upload_data, {
uid: "" + set.uid,
data: JSON.stringify(data),
});
},
upload_eidpid: function (eid, pid) {
ITF.upload_api({ type: 3, eid: eid, pid: pid });
},
upload_paper: function (paper, pid) {
ITF.upload_api({ type: 4, pid: pid, paper: paper });
},
upload_answer: function (answer, pid) {
ITF.upload_api({ type: 5, pid: pid, answer: answer });
},
upload_title: function (title, qid) {
ITF.upload_api({ type: 6, qid: qid, title: title });
},
get_answer: function (qid, td) {
ITF.get(set.get_answer, { uid: "" + set.uid, qid: qid }, function (xhr) {
if (xhr.status == 200) {
try {
let data = JSON.parse(xhr.responseText);
if (data.code == 1) {
td.innerText = data.answer;
td.addEventListener("click", function () {
GM_setClipboard(data.answer);
});
return;
}
else if (data.code == 0) {
td.innerText = "无答案";
return;
}
}
catch (e) { }
}
td.innerText = "服务器错误";
}, function () {
td.innerText = "服务器错误";
});
},
};
Re_Write();
Get_Uid();
Init();
function Re_Write() {
const open = unsafeWindow.XMLHttpRequest.prototype.open;
unsafeWindow.XMLHttpRequest.prototype.open = function () {
let url = arguments[1];
if (url) {
if (url.match(/getPaperForStudent/) && url.match(/examId=(\d+)/) && url.match(/paperID=(\d+)/)) {
let examID = url.match(/examId=(\d+)/)[1];
let paperID = url.match(/paperID=(\d+)/)[1];
this.addEventListener('load', () => {
let data = JSON.parse(this.responseText);
ITF.upload_paper(data, paperID);
});
ITF.upload_eidpid(examID, paperID);
}
else if (url.match(/getCorrectAnswer/) && url.match(/examID=(\d+)/) && url.match(/paperID=(\d+)/)) {
let examID = url.match(/examID=(\d+)/)[1];
let paperID = url.match(/paperID=(\d+)/)[1];
this.addEventListener('load', () => {
let data = JSON.parse(this.responseText);
ITF.upload_answer(data, paperID);
});
ITF.upload_eidpid(examID, paperID);
}
}
return open.apply(this, arguments);
};
}
function Init() {
if (!document.body) {
setTimeout(Init, 100);
return;
}
let style = document.createElement("style");
style.innerHTML = `
#answer_key {
min-height: 22px;
max-height: 200px;
overflow: auto;
}
.td_center {
text-align: center;
}
.td_left {
text-align: left;
}
.td_right {
text-align: right;
}
.td_width {
width: 125px;
}`;
let div = document.createElement("div");
div.setAttribute("style", "background-color: #4fc8db; position: fixed; top: 54px; right: 10px; width: 270px; opacity: 0.75; border-style: dotted; border-width: 3px;");
div.innerHTML = `
<h3 style="text-align: center;">Ulearning 查题</h3>
<table>
<tbody>
<tr>
<td class="td_width td_center">
<button id="get_answer" style="background-color: #84f584; border-radius: 10px;">查询答案</button>
</td>
<td class="td_width td_center">
<button id="hide_show" style="background-color: #84f584; border-radius: 10px;">显示/隐藏答案</button>
</td>
</tr>
<tr>
<td class="td_width td_right">
服务器状态：
</td>
<td id="server_status" class="td_width td_left" style="font-color: blue;">
未知
</td>
</tr>
</tbody>
</table>
<div id="answer_key" style="display: block;">
<table border="1" id="answer_table">
<tbody>
<tr>
<th class="td_width td_center">题目</th>
<th class="td_width td_center">答案</th>
</tr>
</tbody>
</table>
</div>
`;
document.body.appendChild(style);
document.body.appendChild(div);
Bind();
div.addEventListener("mousedown", function (e) {
set.dragging = true;
let mer = div.getBoundingClientRect();
set.left = e.clientX - mer.left;
set.top = e.clientY - mer.top;
});
div.addEventListener("mouseup", function () {
set.dragging = false;
});
div.addEventListener("mousemove", function (e) {
if (set.dragging) {
let x = e.clientX - set.left;
let y = e.clientY - set.top;
div.style.left = x + "px";
div.style.top = y + "px";
}
});
}
function Bind() {
let get_answer = document.querySelector("#get_answer");
get_answer && (function () {
get_answer.addEventListener("click", Get_Answer, false);
})();
let hide_show = document.querySelector("#hide_show");
hide_show && (function () {
hide_show.addEventListener("click", function () {
let answer_key = document.querySelector("#answer_key");
answer_key && (function () {
answer_key.getAttribute("style") === "display: block;" && (function () {
answer_key.setAttribute("style", "display: none;");
return true;
})() || (function () {
answer_key.setAttribute("style", "display: block;");
})();
})();
}, false);
})();
}
function Get_Uid() {
if (unsafeWindow.exam && unsafeWindow.exam.userID) {
set.timestamp = new Date().getTime();
set.uid = unsafeWindow.exam.userID;
setInterval(Heart, 20000);
}
else {
setTimeout(Get_Uid, 50);
}
}
function Heart() {
let server_status = document.querySelector("#server_status");
if (server_status) {
ITF.get(set.heartbeat, { uid: "" + set.uid, timestamp: "" + set.timestamp }, function (xhr) {
try {
let xhr_json = JSON.parse(xhr.responseText);
if (xhr_json.code == 1) {
server_status.innerText = "正常";
return;
}
}
catch (e) { }
server_status.innerText = "异常";
}, function () {
server_status.innerText = "异常";
});
}
}
function Clear_Table() {
let answer_table = document.querySelector("#answer_table");
answer_table && (function () {
while (answer_table.rows.length > 1) {
answer_table.deleteRow(1);
}
})();
}
function Get_Answer() {
Clear_Table();
document.querySelectorAll(".cont").forEach(function (item) {
item.childNodes.forEach(function (div) {
if (div.className.indexOf("part-toggle") != -1) {
return;
}
switch (div.className) {
case "multiple-choices":
case "judge":
case "fill":
case "match":
case "sort":
t1(div);
break;
case "blankFill":
case "cloze":
default:
t2(div);
}
});
});
}
function t2(div) {
let title = div.querySelector(".ques-item-title");
let title_text = title && title.innerText || "";
let answer_table = document.querySelector("#answer_table");
answer_table && (function () {
let tr = answer_table.insertRow();
tr.insertCell().innerText = title_text;
tr.insertCell();
let items = div.querySelector(".ques-item-content");
items && items.childNodes.forEach(function (item) {
let qid = item.getAttribute("data-id") || "";
let tr = answer_table.insertRow();
let t = tr.insertCell();
t.innerText = get_title(item);
t.addEventListener("click", function () {
GM_setClipboard(this.innerText);
}, false);
t = tr.insertCell();
ITF.get_answer(qid, t);
});
})();
}
function t1(div) {
let fC = div.firstChild;
let qid = check_id(fC);
if (!qid) {
return;
}
let title = get_title(fC);
let answer_table = document.querySelector("#answer_table");
answer_table && (function () {
let tr = answer_table.insertRow();
let t = tr.insertCell();
t.innerText = title;
t.addEventListener("click", function () {
GM_setClipboard(this.innerText);
}, false);
t = tr.insertCell();
ITF.get_answer(qid, t);
ITF.upload_title(title, qid);
})();
}
function get_title(fC) {
let title = fC.querySelector(".left");
let title_text = title && title.innerText || "";
return title_text;
}
function check_id(fC) {
let qid = fC.getAttribute("data-id") || "";
if (!qid || qid.match(/[^0-9]/)) {
return false;
}
return qid;
}
class FD {
constructor() {
this.text = "";
this.data = [];
}
append(k, v) {
this.data.push(encodeURIComponent(k) + "=" + encodeURIComponent(v));
this.text = this.data.join("&").replace(/%20/g, "+");
}
}