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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.test import TestCase
from django.test.utils import ignore_warnings
from django.utils.deprecation import RemovedInDjango40Warning
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_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)
@ignore_warnings(category=RemovedInDjango40Warning)
def test_token_default_hashing_algorithm(self):
user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw')
with self.settings(DEFAULT_HASHING_ALGORITHM='sha1'):
generator = PasswordResetTokenGenerator()
self.assertEqual(generator.algorithm, 'sha1')
token = generator.make_token(user)
self.assertIs(generator.check_token(user, token), True)
def test_legacy_token_validation(self):
# RemovedInDjango40Warning: pre-Django 3.1 tokens will be invalid.
user = User.objects.create_user('tokentestuser', 'test2@example.com', 'testpw')
p_old_generator = PasswordResetTokenGenerator()
p_old_generator.algorithm = 'sha1'
p_new_generator = PasswordResetTokenGenerator()
legacy_token = p_old_generator.make_token(user)
self.assertIs(p_old_generator.check_token(user, legacy_token), True)
self.assertIs(p_new_generator.check_token(user, legacy_token), True)
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