request.js

/**
* @description 抓取的请求
* @fileName request.js
* @author 伞仙
* @date 2021/07/17 23:53:45
*/

const fetch = require("./node-fetch/lib");

// 模拟登录
async function login (info) {
  console.log("提交登录表单");
  let res = await fetch("https://api.weishao.com.cn/login?source=%2Foauth%2Fauthorize%3Fclient_id%3DpqZ3wGM07i8R9mR3%26redirect_uri%3Dhttps%253A%252F%252Fyq.weishao.com.cn%252Fcheck%252Fquestionnaire%26response_type%3Dcode%26scope%3Dbase_api%26state%3Druijie", {
    "headers": {
      "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "cache-control": "no-cache",
      "content-type": "application/x-www-form-urlencoded",
      "pragma": "no-cache",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "document",
      "sec-fetch-mode": "navigate",
      "sec-fetch-site": "same-origin",
      "sec-fetch-user": "?1",
      "upgrade-insecure-requests": "1",
    },
    "referrerPolicy": "no-referrer",
    "body": `schoolcode=xmut&username=${info['学号']}&password=${info['密码']}&verifyValue=&verifyKey=${info['学号']}_xmut&ssokey=`,
    "method": "POST",
    "mode": "cors",
    redirect: 'manual' // 手动重定向，才可以拿到location
  });

  // 返回oauth2cookie
  let oauth2cookie = res.headers.get("set-cookie").split(";")[0];
  // console.log(oauth2cookie);
  let url = res.headers.get("location"); // 获得重定向地址
  console.log("\n第1次重定向");
  // console.log(url);


  // 第一次 重定向
  res = await fetch(url, {
    "headers": {
      "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "cache-control": "no-cache",
      "pragma": "no-cache",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "document",
      "sec-fetch-mode": "navigate",
      "sec-fetch-site": "same-site",
      "sec-fetch-user": "?1",
      "upgrade-insecure-requests": "1",
    },
    "referrerPolicy": "no-referrer",
    "body": null,
    "method": "GET",
    "mode": "cors",
    redirect: 'manual'
  })
  url = res.headers.get("location")
  console.log("\n第2次重定向");
  // console.log(url);


  // 第二次 重定向
  res = await fetch(url, {
    "headers": {
      "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "cache-control": "no-cache",
      "pragma": "no-cache",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "document",
      "sec-fetch-mode": "navigate",
      "sec-fetch-site": "same-site",
      "sec-fetch-user": "?1",
      "upgrade-insecure-requests": "1",
      "cookie": oauth2cookie
    },
    "referrerPolicy": "no-referrer",
    "body": null,
    "method": "GET",
    "mode": "cors",
    redirect: 'manual'
  })
  url = res.headers.get("location")
  console.log("\n第3次重定向");
  // console.log(url);


  // 第三次 重定向
  res = await fetch(url, {
    "headers": {
      "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "cache-control": "no-cache",
      "pragma": "no-cache",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "document",
      "sec-fetch-mode": "navigate",
      "sec-fetch-site": "same-site",
      "sec-fetch-user": "?1",
      "upgrade-insecure-requests": "1"
    },
    "referrerPolicy": "no-referrer",
    "body": null,
    "method": "GET",
    "mode": "cors",
    redirect: 'manual'
  })
  let cookie = res.headers.get("set-cookie").split(";")[0];
  // console.log("真正的登录cookie:", cookie);
  return cookie
}


// 获取用户信息
async function getUserInfo (cookie) {
  let userInfo = await fetch("https://yq.weishao.com.cn/userInfo", {
    "headers": {
      "accept": "*/*",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "cache-control": "no-cache",
      "pragma": "no-cache",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "empty",
      "sec-fetch-mode": "cors",
      "sec-fetch-site": "same-origin",
      "cookie": cookie
    },
    "referrer": "https://yq.weishao.com.cn/questionnaire",
    "referrerPolicy": "strict-origin-when-cross-origin",
    "body": null,
    "method": "GET",
    "mode": "cors"
  }).then(res => {
    return res.json();
  }).then(json => {
    return json.data;
  })
  // console.log(userInfo);
  if (userInfo) console.log('\n获取用户信息成功');
  return userInfo;
}


// 模拟提交
async function submit (cookie, body) {
  return await fetch("https://yq.weishao.com.cn/api/questionnaire/questionnaire/addMyAnswer", {
    "headers": {
      "accept": "*/*",
      "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
      "content-type": "application/json",
      "sec-ch-ua": "\"Google Chrome\";v=\"87\", \" Not;A Brand\";v=\"99\", \"Chromium\";v=\"87\"",
      "sec-ch-ua-mobile": "?0",
      "sec-fetch-dest": "empty",
      "sec-fetch-mode": "cors",
      "sec-fetch-site": "same-origin",
      "cookie": cookie
    },
    "referrer": "https://yq.weishao.com.cn/questionnaire/addanswer?page_from=onpublic&activityid=5446&can_repeat=1",
    "referrerPolicy": "strict-origin-when-cross-origin",
    "body": body,
    "method": "POST",
    "mode": "cors"
  })
    .then(res => {
      return res.json();
    })
    .then(json => {
      return json['errmsg'];
    })
}

module.exports = {
  login,
  getUserInfo,
  submit
}