from datetime import datetime, timedelta from django.conf import settings from django.contrib.auth.models import User from django.contrib.auth.tokens import PasswordResetTokenGenerator from django.core.exceptions import ImproperlyConfigured from django.test import TestCase from django.test.utils import override_settings from .models import CustomEmailField class MockedPasswordResetTokenGenerator(PasswordResetTokenGenerator): def __init__(self, now): self._now_val = now super().__init__() def _now(self): return self._now_val class TokenGeneratorTest(TestCase): def test_make_token(self): user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) self.assertIs(p0.check_token(user, tk1), True) def test_10265(self): """ The token generated for a user created in the same request will work correctly. """ user = User.objects.create_user('comebackkid', 'test3@example.com', 'testpw') user_reload = User.objects.get(username='comebackkid') p0 = MockedPasswordResetTokenGenerator(datetime.now()) tk1 = p0.make_token(user) tk2 = p0.make_token(user_reload) self.assertEqual(tk1, tk2) def test_token_with_different_email(self): """Updating the user email address invalidates the token.""" tests = [ (CustomEmailField, None), (CustomEmailField, 'test4@example.com'), (User, 'test4@example.com'), ] for model, email in tests: with self.subTest(model=model.__qualname__, email=email): user = model.objects.create_user( 'changeemailuser', email=email, password='testpw', ) p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) self.assertIs(p0.check_token(user, tk1), True) setattr(user, user.get_email_field_name(), 'test4new@example.com') user.save() self.assertIs(p0.check_token(user, tk1), False) def test_timeout(self): """The token is valid after n seconds, but no greater.""" # Uses a mocked version of PasswordResetTokenGenerator so we can change # the value of 'now'. user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') now = datetime.now() p0 = MockedPasswordResetTokenGenerator(now) tk1 = p0.make_token(user) p1 = MockedPasswordResetTokenGenerator( now + timedelta(seconds=settings.PASSWORD_RESET_TIMEOUT) ) self.assertIs(p1.check_token(user, tk1), True) p2 = MockedPasswordResetTokenGenerator( now + timedelta(seconds=(settings.PASSWORD_RESET_TIMEOUT + 1)) ) self.assertIs(p2.check_token(user, tk1), False) with self.settings(PASSWORD_RESET_TIMEOUT=60 * 60): p3 = MockedPasswordResetTokenGenerator( now + timedelta(seconds=settings.PASSWORD_RESET_TIMEOUT) ) self.assertIs(p3.check_token(user, tk1), True) p4 = MockedPasswordResetTokenGenerator( now + timedelta(seconds=(settings.PASSWORD_RESET_TIMEOUT + 1)) ) self.assertIs(p4.check_token(user, tk1), False) def test_check_token_with_nonexistent_token_and_user(self): user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') p0 = PasswordResetTokenGenerator() tk1 = p0.make_token(user) self.assertIs(p0.check_token(None, tk1), False) self.assertIs(p0.check_token(user, None), False) def test_token_with_different_secret(self): """ A valid token can be created with a secret other than SECRET_KEY by using the PasswordResetTokenGenerator.secret attribute. """ user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') new_secret = 'abcdefghijkl' # Create and check a token with a different secret. p0 = PasswordResetTokenGenerator() p0.secret = new_secret tk0 = p0.make_token(user) self.assertIs(p0.check_token(user, tk0), True) # Create and check a token with the default secret. p1 = PasswordResetTokenGenerator() self.assertEqual(p1.secret, settings.SECRET_KEY) self.assertNotEqual(p1.secret, new_secret) tk1 = p1.make_token(user) # Tokens created with a different secret don't validate. self.assertIs(p0.check_token(user, tk1), False) self.assertIs(p1.check_token(user, tk0), False) def test_token_with_different_secret_subclass(self): class CustomPasswordResetTokenGenerator(PasswordResetTokenGenerator): secret = 'test-secret' user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw') custom_password_generator = CustomPasswordResetTokenGenerator() tk_custom = custom_password_generator.make_token(user) self.assertIs(custom_password_generator.check_token(user, tk_custom), True) default_password_generator = PasswordResetTokenGenerator() self.assertNotEqual( custom_password_generator.secret, default_password_generator.secret, ) self.assertEqual(default_password_generator.secret, settings.SECRET_KEY) # Tokens created with a different secret don't validate. tk_default = default_password_generator.make_token(user) self.assertIs(custom_password_generator.check_token(user, tk_default), False) self.assertIs(default_password_generator.check_token(user, tk_custom), False) @override_settings(SECRET_KEY='') def test_secret_lazy_validation(self): default_token_generator = PasswordResetTokenGenerator() msg = 'The SECRET_KEY setting must not be empty.' with self.assertRaisesMessage(ImproperlyConfigured, msg): default_token_generator.secret