maplestory login python3

#!/usr/bin/env python3
import os, sys
import json
from http import client
from hashlib import sha256, sha512
from binascii import hexlify
from base64 import b64encode
from json import loads, dumps

email = 'email_here'
password = 'password_here'

def get_login_passport():
    global email, password
    device_id = hexlify(sha256(bytes(password, 'utf-8')).digest()).decode('utf-8')
    password_sha512 = hexlify(sha512(bytes(password, 'utf-8')).digest()).decode('utf-8')

    #Headers were obtained by dumping memory of the nexon launcher process and searching for common http headers
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) NexonLauncher/2.4.0 Chrome/66.0.3359.181 Electron/3.0.4 Safari/537.36',
        'Accept': 'application/json, text/javascript, */*',
        'Origin': 'https://www.nexon.com',
        'Content-Type': 'application/json',
        'Accept-Encoding': 'gzip, deflate',
        'Accept-Language': 'en-US'
    }

    body = {
        'id': email,
        'password': password_sha512,
        'auto_login': False,
        'client_id': '7853644408',
        'scope': 'us.launcher.all',
        'device_id': device_id
    }
    connection = client.HTTPSConnection('www.nexon.com', 443)
    connection.request('POST', '/account-webapi/login/launcher', body=dumps(body), headers=headers)
    response = loads(connection.getresponse().read().decode('utf-8'))

    if not 'access_token' in response:
        print("Account credentials are invalid. Exiting.")
        sys.exit()

    # Don't leave credentials lingering in memory
    email = None
    password = None

    # Second request
    access_token_b64 = b64encode(bytes(response['access_token'], 'utf-8')).decode('utf-8')
    headers = {
        'User-Agent': 'NexonLauncher.nxl-18.13.18-148-195388a-coreapp-2.4.0',
        'Cookie': 'nxtk=' + response['access_token'] + ';domain=.nexon.net;path=/;',
        'Authorization': 'bearer ' + access_token_b64,
        'Content-Type': 'application/json'#,
#        'Accept': ''
    }
    connection = client.HTTPSConnection('api.nexon.io', 443)
    connection.request('GET', '/users/me/passport', headers=headers)
    response = loads(connection.getresponse().read().decode('utf-8'))

    # Return the login passport.
    return response['passport']

print(get_login_passport())
sys.exit(0)