// ==UserScript==
// @name               Crack Forclass 4
// @namespace          https://www.forclass.tk/script?4
// @version            3.0.0
// @description        这同样适用于 Forclass,Sunclass,271BAY,Zhizhiniao
// @author             Houtarchat
// @match              *://*.forclass.net/Account/SignIn*
// @contributionURL    https://www.houtarchat.ml/donate.html
// @contributionAmount 5 RMB
// @license            GNU General Public License
// @grant              GM.xmlHttpRequest
// @connect            zhizhiniao.com
// @run-at             document-end
// @noframes
// @downloadURL none
// ==/UserScript==
(function () {
  "use strict";

  if (
    sessionStorage.account != null &&
    typeof sessionStorage.account != "undefined"
  )
    return;
  GM.xmlHttpRequest({
    method: "POST",
    url: "http://www.zhizhiniao.com/ANAService.asmx/LoginAccountJson",
    data: JSON.stringify({
      session: null,
      page: 0,
      account: prompt("Your username here:"),
      password: prompt("Your password here:")
    }),
    headers: {
      "Content-Type": "application/json; charset=utf-8"
    },
    onload: function onload(data) {
      var ifr = document.createElement("iframe");
      var session;

      if (JSON.parse(data.response).ReturnText) {
        alert(JSON.parse(data.response).ReturnText);
        location.reload();
      }

      session = JSON.parse(data.response).result[0].session;
      ifr.setAttribute(
        "src",
        "http://account.sun.forclass.net/Account/SignIn?session=" + session ||
          ""
      );
      document.head.appendChild(ifr);

      ifr.onload = function () {
        window.location.href = "http://zzn.sun.forclass.net/Student/WdzySun";
      };
    }
  });
})();