telegram site auth

check_hash.py

# implementation of Telegram site authorization checking algorithm
# for more information https://core.telegram.org/widgets/login#checking-authorization

import collections
import hmac
import hashlib

def check_string(d, token):
    secret = hashlib.sha256()
    secret.update(token.encode('utf-8'))
    sorted_params = collections.OrderedDict(sorted(d.items()))
    param_hash = sorted_params.pop('hash')
    msg = "\n".join(["{}={}".format(k, v) for k, v in sorted_params.items()])

    if param_hash == hmac.new(secret.digest(), msg.encode('utf-8'), digestmod=hashlib.sha256).hexdigest():
        return True
    return False

Thanks!

great, thanks!
большое спасибо)

Can't understand- code is OK, but it doesn't match the hash.

it works ok for:

data = {
    "id": 12345678,
    "first_name": "first_name",
    "username": "username",
    "photo_url": "https://t.me/i/userpic/320/pic_idjpg",
    "auth_date": 1692687292,
    "hash": "99a21539180cc8999e96899284f62492b47495a5a32fdb45ca6140d85f7ae33b"
}

but it doesnt work for

data = {
  "query_id": "AAHf7M8DAAAAAN_szwNmQ4Lc",
  "user": {
    "id": 12345678,
    "first_name": "first_name",
    "last_name": "",
    "username": "username",
    "language_code": "en",
    "is_premium": True,
    "allows_write_to_pm": True
  },
  "auth_date": "1692686970",
  "hash": "4317efd665c01a62973e1abd82aabe4128ca73ac67d0dba57d80656b8150dca5"
}