tokens.py

import hashlib

from django.conf import settings


class EmailVerificationTokenGenerator(object):
    """
    Strategy object used to generate and check tokens for the email
    verification mechanism.
    """
    def make_token(self, email):
        """
        Returns a token that can be used once to do email verification
        for the given email.
        """
        return hashlib.sha1(settings.SECRET_KEY.encode() + email.encode()).hexdigest()

    def check_token(self, email, token):
        """
        Check that a token is correct for a given email.
        """
        return token == hashlib.sha1(settings.SECRET_KEY.encode() + email.encode()).hexdigest()