from datetime import date, timedelta import sys import unittest from django.conf import settings from django.contrib.auth.models import User from django.contrib.auth.tokens import PasswordResetTokenGenerator from django.contrib.auth.tests.utils import skipIfCustomUser from django.test import TestCase @skipIfCustomUser class TokenGeneratorTest(TestCase): def test_make_token(self): """ Ensure that we can make a token and that it is valid """ user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) self.assertTrue(p0.check_token(user, tk1)) def test_10265(self): """ Ensure that the token generated for a user created in the same request will work correctly. """ # See ticket #10265 user = User.objects.create_user('comebackkid', 'test3@example.com', 'testpw') p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) reload = User.objects.get(username='comebackkid') tk2 = p0.make_token(reload) self.assertEqual(tk1, tk2) def test_timeout(self): """ Ensure we can use the token after n days, but no greater. """ # Uses a mocked version of PasswordResetTokenGenerator so we can change # the value of 'today' class Mocked(PasswordResetTokenGenerator): def __init__(self, today): self._today_val = today def _today(self): return self._today_val user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) p1 = Mocked(date.today() + timedelta(settings.PASSWORD_RESET_TIMEOUT_DAYS)) self.assertTrue(p1.check_token(user, tk1)) p2 = Mocked(date.today() + timedelta(settings.PASSWORD_RESET_TIMEOUT_DAYS + 1)) self.assertFalse(p2.check_token(user, tk1)) @unittest.skipIf(sys.version_info[:2] >= (3, 0), "Unnecessary test with Python 3") def test_date_length(self): """ Make sure we don't allow overly long dates, causing a potential DoS. """ user = User.objects.create_user('ima1337h4x0r', 'test4@example.com', 'p4ssw0rd') p0 = PasswordResetTokenGenerator() # This will put a 14-digit base36 timestamp into the token, which is too large. self.assertRaises(ValueError, p0._make_token_with_timestamp, user, 175455491841851871349)