main.py

import os
from datetime import datetime

import requests
from bs4 import BeautifulSoup as bs

try:
    account = os.getenv("ITHELP_ACCOUNT")
    password = os.getenv("ITHELP_PASSWORD")
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36"
    }
    loginPayload = {
        "account": account,
        "password": password,
        "_token": "",
    }
    sess = requests.Session()
    sess.headers.update(headers)

    url = "https://member.ithome.com.tw/login"
    response = sess.get(url)
    bsObj = bs(response.text, "html.parser")
    loginToken = bsObj.find("input", {"name": "_token"}).attrs["value"]
    loginPayload["_token"] = loginToken

    url = "https://member.ithome.com.tw/login"
    response = sess.post(url, data=loginPayload)
    bsObj = bs(response.text, "html.parser")
    account = bsObj.find("p", {"class": "account-fontsize"}).get_text()
    if account == loginPayload["account"]:
        url = "https://member.ithome.com.tw/oauth/authorize?client_id=ithelp&redirect_uri=https://ithelp.ithome.com.tw/users/callback&response_type=code"
        response = sess.get(url)

        print(datetime.now().strftime("%Y/%m/%d %H:%M:%S"), "Login Successful.")

    url = "https://lwsu-linebot.herokuapp.com/"
    response = sess.get(url)
except Exception as e:
    print(datetime.now().strftime("%Y/%m/%d %H:%M:%S"), "Login Failed.")