VJudge Cookie Filler

Auto fill cookies for those OJ which can submit problems on VJ by using their cookies.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name               VJudge Cookie Filler
// @name:zh-CN         VJudge Cookie Filler
// @version            1.0.2
// @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
// @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://atcoder.jp/*
// @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 = {
    "AtCoder": {
      url: "https://atcoder.jp/",
      cookieNames: ["REVEL_SESSION"],
    },
    "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;

  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;
          }
        }

        if (!isVerified && oj in OJ) {
          autoFill(oj);
        }
      }
    });
    return _originSend.apply(this, arguments);
  };

  function autoFill(oj, info = "Auto filling ...") {
    updatePendInfo(info);

    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);
        }
      });
    });
  }

  let loggingIn = false;
  let currentOJ = "";

  function loginToOJ(oj) {
    if (loggingIn) {
      return;
    }
    updateFailInfo(oj, oj + " verify failed");
    loggingIn = true;
    currentOJ = oj;
    GM_openInTab(OJ[oj].url, {
      active: true, // new tab
      insert: true, // insert right
    });
  }

  window.addEventListener("focus", () => {
    if (loggingIn) { // If try to login to OJ, and then focus back to VJ
      autoFill(currentOJ, "Logging in ...");
    }
  })

  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;
  }
})();