VJudge Cookie Filler

Auto fill cookies for those OJ which can submit problems on VJ by using their cookies.
Fra 22.05.2025. Se den seneste versjonen.
Visit the author's site for support, ask a question, post a review, or report the script.
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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;
  }
})();