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# Copyright (C) 2007-2011 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Unit tests for the passwords module."""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
]
import unittest
from itertools import izip_longest
from mailman.config import config
from mailman.core import errors
from mailman.testing.layers import ConfigLayer
from mailman.utilities import passwords
class PasswordsTestBase:
scheme = None
def setUp(self):
# passwords; 8-bit or unicode strings; ascii or binary
self.pw8a = b'abc'
self.pw8b = b'abc\xc3\xbf' # 'abc\xff'
self.pwub = b'abc\xff'
# bad password; 8-bit or unicode; ascii or binary
self.bad8a = b'xyz'
self.bad8b = b'xyz\xc3\xbf' # 'xyz\xff'
self.badub = b'xyz\xff'
def test_passwords(self):
unless = self.failUnless
failif = self.failIf
secret = passwords.make_secret(self.pw8a, self.scheme)
unless(passwords.check_response(secret, self.pw8a))
failif(passwords.check_response(secret, self.bad8a))
def test_passwords_with_funky_chars(self):
unless = self.failUnless
failif = self.failIf
secret = passwords.make_secret(self.pw8b, self.scheme)
unless(passwords.check_response(secret, self.pw8b))
failif(passwords.check_response(secret, self.bad8b))
def test_unicode_passwords_with_funky_chars(self):
unless = self.failUnless
failif = self.failIf
secret = passwords.make_secret(self.pwub, self.scheme)
unless(passwords.check_response(secret, self.pwub))
failif(passwords.check_response(secret, self.badub))
class TestBogusPasswords(PasswordsTestBase, unittest.TestCase):
scheme = -1
def test_passwords(self):
self.assertRaises(errors.BadPasswordSchemeError,
passwords.make_secret, self.pw8a, self.scheme)
def test_passwords_with_funky_chars(self):
self.assertRaises(errors.BadPasswordSchemeError,
passwords.make_secret, self.pw8b, self.scheme)
def test_unicode_passwords_with_funky_chars(self):
self.assertRaises(errors.BadPasswordSchemeError,
passwords.make_secret, self.pwub, self.scheme)
class TestNonePasswords(PasswordsTestBase, unittest.TestCase):
scheme = passwords.Schemes.no_scheme
def test_passwords(self):
failif = self.failIf
secret = passwords.make_secret(self.pw8a, self.scheme)
failif(passwords.check_response(secret, self.pw8a))
failif(passwords.check_response(secret, self.bad8a))
def test_passwords_with_funky_chars(self):
failif = self.failIf
secret = passwords.make_secret(self.pw8b, self.scheme)
failif(passwords.check_response(secret, self.pw8b))
failif(passwords.check_response(secret, self.bad8b))
def test_unicode_passwords_with_funky_chars(self):
failif = self.failIf
secret = passwords.make_secret(self.pwub, self.scheme)
failif(passwords.check_response(secret, self.pwub))
failif(passwords.check_response(secret, self.badub))
class TestCleartextPasswords(PasswordsTestBase, unittest.TestCase):
scheme = passwords.Schemes.cleartext
class TestSHAPasswords(PasswordsTestBase, unittest.TestCase):
scheme = passwords.Schemes.sha
class TestSSHAPasswords(PasswordsTestBase, unittest.TestCase):
scheme = passwords.Schemes.ssha
class TestPBKDF2Passwords(PasswordsTestBase, unittest.TestCase):
scheme = passwords.Schemes.pbkdf2
class TestSchemeLookup(unittest.TestCase):
def test_scheme_name_lookup(self):
unless = self.failUnless
unless(passwords.lookup_scheme('NONE') is passwords.Schemes.no_scheme)
unless(passwords.lookup_scheme('CLEARTEXT') is
passwords.Schemes.cleartext)
unless(passwords.lookup_scheme('SHA') is passwords.Schemes.sha)
unless(passwords.lookup_scheme('SSHA') is passwords.Schemes.ssha)
unless(passwords.lookup_scheme('PBKDF2') is passwords.Schemes.pbkdf2)
unless(passwords.lookup_scheme(' -bogus- ') is None)
# See itertools doc page examples.
def _grouper(seq):
args = [iter(seq)] * 2
return list(izip_longest(*args))
class TestPasswordGeneration(unittest.TestCase):
layer = ConfigLayer
def test_default_user_friendly_password_length(self):
self.assertEqual(len(passwords.make_user_friendly_password()),
int(config.passwords.password_length))
def test_provided_user_friendly_password_length(self):
self.assertEqual(len(passwords.make_user_friendly_password(12)), 12)
def test_provided_odd_user_friendly_password_length(self):
self.assertEqual(len(passwords.make_user_friendly_password(15)), 15)
def test_user_friendly_password(self):
password = passwords.make_user_friendly_password()
for pair in _grouper(password):
# There will always be one vowel and one non-vowel.
vowel = (pair[0] if pair[0] in 'aeiou' else pair[1])
consonant = (pair[0] if pair[0] not in 'aeiou' else pair[1])
self.assertTrue(vowel in 'aeiou', vowel)
self.assertTrue(consonant not in 'aeiou', consonant)
def test_encrypt_password_plaintext_default_scheme(self):
# Test that a plain text password gets encrypted.
self.assertEqual(passwords.encrypt_password('abc'),
'{CLEARTEXT}abc')
def test_encrypt_password_plaintext(self):
# Test that a plain text password gets encrypted with the given scheme.
scheme = passwords.Schemes.sha
self.assertEqual(passwords.encrypt_password('abc', scheme),
'{SHA}qZk-NkcGgWq6PiVxeFDCbJzQ2J0=')
def test_encrypt_password_plaintext_by_scheme_name(self):
# Test that a plain text password gets encrypted with the given
# scheme, which is given by name.
self.assertEqual(passwords.encrypt_password('abc', 'cleartext'),
'{CLEARTEXT}abc')
def test_encrypt_password_already_encrypted_default_scheme(self):
# Test that a password which is already encrypted is return unchanged.
self.assertEqual(passwords.encrypt_password('{SHA}abc'), '{SHA}abc')
def test_encrypt_password_already_encrypted(self):
# Test that a password which is already encrypted is return unchanged,
# ignoring any requested scheme.
scheme = passwords.Schemes.cleartext
self.assertEqual(passwords.encrypt_password('{SHA}abc', scheme),
'{SHA}abc')
def test_encrypt_password_password_value_error(self):
self.assertRaises(ValueError, passwords.encrypt_password, 7)
def test_encrypt_password_scheme_value_error(self):
self.assertRaises(ValueError, passwords.encrypt_password, 'abc', 'foo')
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