Degiro automated login with 2FA

login.py

import requests
import hmac, base64, struct, hashlib, time
import json

# 2FA code generation from https://stackoverflow.com/questions/8529265/google-authenticator-implementation-in-python 
def get_totp_token(secret):
    key = base64.b32decode(secret, True)
    msg = struct.pack(">Q", int(time.time())//30)
    h = hmac.new(key, msg, hashlib.sha1).digest()
    o = h[19] & 15
    h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000
    return h

def login(username, password, secret):
    data = {
     "username": username,
     "password": password,
     "loginButtonUniversal": "",
     "isRedirectToMobile": False,
     "queryParams": {
     	"reason": "session_expired"
    
     },
     "oneTimePassword": get_totp_token(secret)
    }

    req = requests.post('https://trader.degiro.nl/login/secure/login/totp', json=data)
    if req.status_code == 200:
        body = json.loads(req.text)
        return body["sessionId"]
    else:
        print(f"Login not successful, status code {req.status_code}.")
    return ""

main.py

# Degiro username
username = "******"
# Degiro password
password = "******"
# Degiro 2FA secret
# -> enable 2FA, scan qr code and extract secret
secret = "********************************"

session_key = login(username, password, secret)
print(session_key)