An example of the verification the received data from Telegram

redirect-view-verify-received-data.py

from django_telegram_login.authentication import verify_telegram_authentication
from django_telegram_login.errors import (
    NotTelegramDataError, 
    TelegramDataIsOutdatedError,
)


def index(request):

    # Initially, the index page may have no get params in URL
    # For example, if it is a home page, a user should be redirected from the widget
    if not request.GET.get('hash'):
        return HttpResponse('Handle the missing Telegram data in the response.')

    try:
        result = verify_telegram_authentication(bot_token=bot_token, request_data=request.GET)

    except TelegramDataIsOutdatedError:
        return HttpResponse('The authentication data was received more than a day ago.')

    except NotTelegramDataError:
        return HttpResponse('The data is not related to the Telegram user!')

    # Or handle it as you wish. For instance, save to the database.
    return HttpResponse('Hello, ' + result['first_name'] + '!')