mirror of
https://github.com/django/django.git
synced 2024-12-22 17:16:24 +00:00
296 lines
11 KiB
Python
296 lines
11 KiB
Python
import os
|
||
|
||
from django.contrib.auth import validators
|
||
from django.contrib.auth.models import User
|
||
from django.contrib.auth.password_validation import (
|
||
CommonPasswordValidator,
|
||
MinimumLengthValidator,
|
||
NumericPasswordValidator,
|
||
UserAttributeSimilarityValidator,
|
||
get_default_password_validators,
|
||
get_password_validators,
|
||
password_changed,
|
||
password_validators_help_text_html,
|
||
password_validators_help_texts,
|
||
validate_password,
|
||
)
|
||
from django.core.exceptions import ValidationError
|
||
from django.db import models
|
||
from django.test import SimpleTestCase, TestCase, override_settings
|
||
from django.test.utils import isolate_apps
|
||
from django.utils.html import conditional_escape
|
||
|
||
|
||
@override_settings(
|
||
AUTH_PASSWORD_VALIDATORS=[
|
||
{"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
|
||
{
|
||
"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
|
||
"OPTIONS": {
|
||
"min_length": 12,
|
||
},
|
||
},
|
||
]
|
||
)
|
||
class PasswordValidationTest(SimpleTestCase):
|
||
def test_get_default_password_validators(self):
|
||
validators = get_default_password_validators()
|
||
self.assertEqual(len(validators), 2)
|
||
self.assertEqual(validators[0].__class__.__name__, "CommonPasswordValidator")
|
||
self.assertEqual(validators[1].__class__.__name__, "MinimumLengthValidator")
|
||
self.assertEqual(validators[1].min_length, 12)
|
||
|
||
def test_get_password_validators_custom(self):
|
||
validator_config = [
|
||
{"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"}
|
||
]
|
||
validators = get_password_validators(validator_config)
|
||
self.assertEqual(len(validators), 1)
|
||
self.assertEqual(validators[0].__class__.__name__, "CommonPasswordValidator")
|
||
|
||
self.assertEqual(get_password_validators([]), [])
|
||
|
||
def test_validate_password(self):
|
||
self.assertIsNone(validate_password("sufficiently-long"))
|
||
msg_too_short = (
|
||
"This password is too short. It must contain at least 12 characters."
|
||
)
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
validate_password("django4242")
|
||
self.assertEqual(cm.exception.messages, [msg_too_short])
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_too_short")
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
validate_password("password")
|
||
self.assertEqual(
|
||
cm.exception.messages, ["This password is too common.", msg_too_short]
|
||
)
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_too_common")
|
||
|
||
self.assertIsNone(validate_password("password", password_validators=[]))
|
||
|
||
def test_password_changed(self):
|
||
self.assertIsNone(password_changed("password"))
|
||
|
||
def test_password_changed_with_custom_validator(self):
|
||
class Validator:
|
||
def password_changed(self, password, user):
|
||
self.password = password
|
||
self.user = user
|
||
|
||
user = object()
|
||
validator = Validator()
|
||
password_changed("password", user=user, password_validators=(validator,))
|
||
self.assertIs(validator.user, user)
|
||
self.assertEqual(validator.password, "password")
|
||
|
||
def test_password_validators_help_texts(self):
|
||
help_texts = password_validators_help_texts()
|
||
self.assertEqual(len(help_texts), 2)
|
||
self.assertIn("12 characters", help_texts[1])
|
||
|
||
self.assertEqual(password_validators_help_texts(password_validators=[]), [])
|
||
|
||
def test_password_validators_help_text_html(self):
|
||
help_text = password_validators_help_text_html()
|
||
self.assertEqual(help_text.count("<li>"), 2)
|
||
self.assertIn("12 characters", help_text)
|
||
|
||
def test_password_validators_help_text_html_escaping(self):
|
||
class AmpersandValidator:
|
||
def get_help_text(self):
|
||
return "Must contain &"
|
||
|
||
help_text = password_validators_help_text_html([AmpersandValidator()])
|
||
self.assertEqual(help_text, "<ul><li>Must contain &</li></ul>")
|
||
# help_text is marked safe and therefore unchanged by conditional_escape().
|
||
self.assertEqual(help_text, conditional_escape(help_text))
|
||
|
||
@override_settings(AUTH_PASSWORD_VALIDATORS=[])
|
||
def test_empty_password_validator_help_text_html(self):
|
||
self.assertEqual(password_validators_help_text_html(), "")
|
||
|
||
|
||
class MinimumLengthValidatorTest(SimpleTestCase):
|
||
def test_validate(self):
|
||
expected_error = (
|
||
"This password is too short. It must contain at least %d characters."
|
||
)
|
||
self.assertIsNone(MinimumLengthValidator().validate("12345678"))
|
||
self.assertIsNone(MinimumLengthValidator(min_length=3).validate("123"))
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
MinimumLengthValidator().validate("1234567")
|
||
self.assertEqual(cm.exception.messages, [expected_error % 8])
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_too_short")
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
MinimumLengthValidator(min_length=3).validate("12")
|
||
self.assertEqual(cm.exception.messages, [expected_error % 3])
|
||
|
||
def test_help_text(self):
|
||
self.assertEqual(
|
||
MinimumLengthValidator().get_help_text(),
|
||
"Your password must contain at least 8 characters.",
|
||
)
|
||
|
||
|
||
class UserAttributeSimilarityValidatorTest(TestCase):
|
||
def test_validate(self):
|
||
user = User.objects.create_user(
|
||
username="testclient",
|
||
password="password",
|
||
email="testclient@example.com",
|
||
first_name="Test",
|
||
last_name="Client",
|
||
)
|
||
expected_error = "The password is too similar to the %s."
|
||
|
||
self.assertIsNone(UserAttributeSimilarityValidator().validate("testclient"))
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
UserAttributeSimilarityValidator().validate("testclient", user=user),
|
||
self.assertEqual(cm.exception.messages, [expected_error % "username"])
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_too_similar")
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
UserAttributeSimilarityValidator().validate("example.com", user=user),
|
||
self.assertEqual(cm.exception.messages, [expected_error % "email address"])
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
UserAttributeSimilarityValidator(
|
||
user_attributes=["first_name"],
|
||
max_similarity=0.3,
|
||
).validate("testclient", user=user)
|
||
self.assertEqual(cm.exception.messages, [expected_error % "first name"])
|
||
# max_similarity=1 doesn't allow passwords that are identical to the
|
||
# attribute's value.
|
||
with self.assertRaises(ValidationError) as cm:
|
||
UserAttributeSimilarityValidator(
|
||
user_attributes=["first_name"],
|
||
max_similarity=1,
|
||
).validate(user.first_name, user=user)
|
||
self.assertEqual(cm.exception.messages, [expected_error % "first name"])
|
||
# Very low max_similarity is rejected.
|
||
msg = "max_similarity must be at least 0.1"
|
||
with self.assertRaisesMessage(ValueError, msg):
|
||
UserAttributeSimilarityValidator(max_similarity=0.09)
|
||
# Passes validation.
|
||
self.assertIsNone(
|
||
UserAttributeSimilarityValidator(user_attributes=["first_name"]).validate(
|
||
"testclient", user=user
|
||
)
|
||
)
|
||
|
||
@isolate_apps("auth_tests")
|
||
def test_validate_property(self):
|
||
class TestUser(models.Model):
|
||
pass
|
||
|
||
@property
|
||
def username(self):
|
||
return "foobar"
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
UserAttributeSimilarityValidator().validate("foobar", user=TestUser()),
|
||
self.assertEqual(
|
||
cm.exception.messages, ["The password is too similar to the username."]
|
||
)
|
||
|
||
def test_help_text(self):
|
||
self.assertEqual(
|
||
UserAttributeSimilarityValidator().get_help_text(),
|
||
"Your password can’t be too similar to your other personal information.",
|
||
)
|
||
|
||
|
||
class CommonPasswordValidatorTest(SimpleTestCase):
|
||
def test_validate(self):
|
||
expected_error = "This password is too common."
|
||
self.assertIsNone(CommonPasswordValidator().validate("a-safe-password"))
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
CommonPasswordValidator().validate("godzilla")
|
||
self.assertEqual(cm.exception.messages, [expected_error])
|
||
|
||
def test_validate_custom_list(self):
|
||
path = os.path.join(
|
||
os.path.dirname(os.path.realpath(__file__)), "common-passwords-custom.txt"
|
||
)
|
||
validator = CommonPasswordValidator(password_list_path=path)
|
||
expected_error = "This password is too common."
|
||
self.assertIsNone(validator.validate("a-safe-password"))
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
validator.validate("from-my-custom-list")
|
||
self.assertEqual(cm.exception.messages, [expected_error])
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_too_common")
|
||
|
||
def test_validate_django_supplied_file(self):
|
||
validator = CommonPasswordValidator()
|
||
for password in validator.passwords:
|
||
self.assertEqual(password, password.lower())
|
||
|
||
def test_help_text(self):
|
||
self.assertEqual(
|
||
CommonPasswordValidator().get_help_text(),
|
||
"Your password can’t be a commonly used password.",
|
||
)
|
||
|
||
|
||
class NumericPasswordValidatorTest(SimpleTestCase):
|
||
def test_validate(self):
|
||
expected_error = "This password is entirely numeric."
|
||
self.assertIsNone(NumericPasswordValidator().validate("a-safe-password"))
|
||
|
||
with self.assertRaises(ValidationError) as cm:
|
||
NumericPasswordValidator().validate("42424242")
|
||
self.assertEqual(cm.exception.messages, [expected_error])
|
||
self.assertEqual(cm.exception.error_list[0].code, "password_entirely_numeric")
|
||
|
||
def test_help_text(self):
|
||
self.assertEqual(
|
||
NumericPasswordValidator().get_help_text(),
|
||
"Your password can’t be entirely numeric.",
|
||
)
|
||
|
||
|
||
class UsernameValidatorsTests(SimpleTestCase):
|
||
def test_unicode_validator(self):
|
||
valid_usernames = ["joe", "René", "ᴮᴵᴳᴮᴵᴿᴰ", "أحمد"]
|
||
invalid_usernames = [
|
||
"o'connell",
|
||
"عبد ال",
|
||
"zerowidth\u200Bspace",
|
||
"nonbreaking\u00A0space",
|
||
"en\u2013dash",
|
||
"trailingnewline\u000A",
|
||
]
|
||
v = validators.UnicodeUsernameValidator()
|
||
for valid in valid_usernames:
|
||
with self.subTest(valid=valid):
|
||
v(valid)
|
||
for invalid in invalid_usernames:
|
||
with self.subTest(invalid=invalid):
|
||
with self.assertRaises(ValidationError):
|
||
v(invalid)
|
||
|
||
def test_ascii_validator(self):
|
||
valid_usernames = ["glenn", "GLEnN", "jean-marc"]
|
||
invalid_usernames = [
|
||
"o'connell",
|
||
"Éric",
|
||
"jean marc",
|
||
"أحمد",
|
||
"trailingnewline\n",
|
||
]
|
||
v = validators.ASCIIUsernameValidator()
|
||
for valid in valid_usernames:
|
||
with self.subTest(valid=valid):
|
||
v(valid)
|
||
for invalid in invalid_usernames:
|
||
with self.subTest(invalid=invalid):
|
||
with self.assertRaises(ValidationError):
|
||
v(invalid)
|