Auto fill cookies for those OJ which can submit problems on VJ by using their cookies.
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// ==UserScript==
// @name VJudge Cookie Filler
// @name:zh-CN VJudge Cookie Filler
// @version 1.0.0
// @description Auto fill cookies for those OJ which can submit problems on VJ by using their cookies.
// @description:zh-CN 自动抓取允许在 VJ 上使用自己账号提交问题的 OJ 的 Cookie
// @author konglils
// @license MIT
// @namespace https://github.com/konglils/vjudge-cookie-filler
// @homepageURL https://github.com/konglils/vjudge-cookie-filler
// @supportURL https://github.com/konglils/vjudge-cookie-filler
// @grant GM_xmlhttpRequest
// @grant GM_openInTab
// @grant GM_cookie
// @run-at document-end
// @connect vjudge.net
// @match https://vjudge.net/*
// @match https://codeforces.com/*
// @match https://qoj.ac/*
// @match https://onlinejudge.org/*
// @match https://www.luogu.com.cn/*
// @match https://www.nowcoder.com/*
// ==/UserScript==
(function() {
'use strict';
const OJ = {
"CodeForces": {
url: "https://codeforces.com/",
cookieNames: ["JSESSIONID"],
},
"Gym": {
url: "https://codeforces.com/",
cookieNames: ["JSESSIONID"],
},
"QOJ": {
url: "https://qoj.ac/",
cookieNames: ["UOJSESSID"],
},
"UVA": {
url: "https://onlinejudge.org/",
cookieNames: ["8da11fa2dbfcbf0b9ab349d4b3eba6a3"],
},
"洛谷": {
url: "https://www.luogu.com.cn/",
cookieNames: ["__client_id", "_uid"],
},
"牛客": {
url: "https://www.nowcoder.com/",
cookieNames: ["t"],
},
};
const VERIFY_REGEX = /^\/user\/verifiedAccount\?oj=([^&]+)$/;
const CHECK_REGEX = /^\/user\/checkAccount\?oj=([^&]+)$/;
const _originOpen = XMLHttpRequest.prototype.open;
const _originSend = XMLHttpRequest.prototype.send;
let loggingIn = false; // logging into OJ
let currentOJ = "";
window.addEventListener("focus", () => {
if (loggingIn) {
autoFill(currentOJ);
}
})
XMLHttpRequest.prototype.open = function(method, url, async, user, password) {
this._url = url;
return _originOpen.apply(this, arguments);
};
// hook
XMLHttpRequest.prototype.send = function(body) {
this.addEventListener("readystatechange", function() {
if (location.hostname === "vjudge.net" && this.readyState === 4 && this.status === 200) {
let isVerified = true;
let oj = "";
// verify
const matchVerify = this._url.match(VERIFY_REGEX);
if (matchVerify) {
oj = decodeURI(matchVerify[1]);
const response = JSON.parse(this.responseText);
if (Object.keys(response).length == 0) {
isVerified = false;
}
}
// check
const matchCheck = this._url.match(CHECK_REGEX);
if (matchCheck) {
oj = decodeURI(matchCheck[1]);
const response = JSON.parse(this.responseText);
if (Object.keys(response).length == 0) {
isVerified = false;
}
}
// not login
if (!isVerified && oj in OJ) {
autoFill(oj);
}
}
});
return _originSend.apply(this, arguments);
};
function autoFill(oj) {
updatePendInfo("Auto filling ...")
GM_cookie.list({ url: OJ[oj].url }, (cookies, error) => {
if (error) {
updateFailInfo(oj, "Failed to read cookies");
console.error(`Failed to read ${oj} cookies: ` + error);
return;
}
// filter cookies in order
let ojCookies = [];
for (let name of OJ[oj].cookieNames) {
for (let cookie of cookies) {
if (cookie.name == name && cookie.value !== "") {
ojCookies.push({ "name": name, "value": cookie.value });
}
}
}
if (ojCookies.length !== OJ[oj].cookieNames.length) {
loginToOJ(oj);
return;
}
GM_xmlhttpRequest({ // new verify request
method: "POST",
url: "/user/verifyAccount",
headers: { "Content-Type": "application/json;charset=UTF-8" },
data: JSON.stringify({ "oj": oj, "proof": ojCookies }),
onload(response) {
response = JSON.parse(response.responseText);
if (response.success) {
updateSuccessInfo(response.accountDisplay);
} else {
loginToOJ(oj);
}
},
onerror(error) {
updateFailInfo(oj, "Network error");
console.error("Network error: " + error);
}
});
});
}
function loginToOJ(oj) {
updateFailInfo(oj, oj + " verify failed");
loggingIn = true;
currentOJ = oj;
GM_openInTab(OJ[oj].url, {
active: true, // new tab
insert: true, // insert right
});
}
function updatePendInfo(info) {
let accountStatus = document.getElementsByClassName("my-account-status")[0];
let accountInfo = document.getElementsByClassName("my-account")[0];
accountStatus.innerHTML = '<i class="fa fa-refresh fa-spin" title="Checking..." data-toggle="tooltip"></i>';
accountInfo.innerHTML = info;
}
function updateSuccessInfo(info) {
let accountStatus = document.getElementsByClassName("my-account-status")[0];
let accountInfo = document.getElementsByClassName("my-account")[0];
let removeAccount = document.getElementsByClassName("remove-my-account")[0];
accountStatus.innerHTML = '<i class="fa fa-check text-success" title="" data-toggle="tooltip" data-original-title="Connected"></i>';
accountInfo.innerHTML = info;
removeAccount.style.display = "inline";
loggingIn = false;
}
function updateFailInfo(oj, info) {
let accountStatus = document.getElementsByClassName("my-account-status")[0];
let accountInfo = document.getElementsByClassName("my-account")[0];
accountStatus.innerHTML = '<i class="fa fa-exclamation-triangle text-danger" title="" data-toggle="tooltip" data-original-title="Disconnected. Please re-verify."></i>';
accountInfo.innerHTML = `${info} <a href="javascript:void(0)" id="oj-login-retry">Retry</a> `;
let fillRetry = document.getElementById("oj-login-retry");
fillRetry.onclick = () => { autoFill(oj) };
loggingIn = false;
}
})();