# -*- coding: utf-8 -*- from __future__ import unicode_literals from django.conf.global_settings import PASSWORD_HASHERS as default_hashers from django.contrib.auth.hashers import (is_password_usable, check_password, make_password, PBKDF2PasswordHasher, load_hashers, PBKDF2SHA1PasswordHasher, get_hasher, identify_hasher, UNUSABLE_PASSWORD) from django.utils import unittest from django.utils.unittest import skipUnless try: import crypt except ImportError: crypt = None try: import bcrypt except ImportError: bcrypt = None class TestUtilsHashPass(unittest.TestCase): def setUp(self): load_hashers(password_hashers=default_hashers) def test_simple(self): encoded = make_password('lètmein') self.assertTrue(encoded.startswith('pbkdf2_sha256$')) self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) def test_pkbdf2(self): encoded = make_password('lètmein', 'seasalt', 'pbkdf2_sha256') self.assertEqual(encoded, 'pbkdf2_sha256$10000$seasalt$CWWFdHOWwPnki7HvkcqN9iA2T3KLW1cf2uZ5kvArtVY=') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "pbkdf2_sha256") def test_sha1(self): encoded = make_password('lètmein', 'seasalt', 'sha1') self.assertEqual(encoded, 'sha1$seasalt$cff36ea83f5706ce9aa7454e63e431fc726b2dc8') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "sha1") def test_md5(self): encoded = make_password('lètmein', 'seasalt', 'md5') self.assertEqual(encoded, 'md5$seasalt$3f86d0d3d465b7b458c231bf3555c0e3') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "md5") def test_unsalted_md5(self): encoded = make_password('lètmein', '', 'unsalted_md5') self.assertEqual(encoded, '88a434c88cca4e900f7874cd98123f43') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "unsalted_md5") # Alternate unsalted syntax alt_encoded = "md5$$%s" % encoded self.assertTrue(is_password_usable(alt_encoded)) self.assertTrue(check_password('lètmein', alt_encoded)) self.assertFalse(check_password('lètmeinz', alt_encoded)) def test_unsalted_sha1(self): encoded = make_password('lètmein', '', 'unsalted_sha1') self.assertEqual(encoded, 'sha1$$6d138ca3ae545631b3abd71a4f076ce759c5700b') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "unsalted_sha1") # Raw SHA1 isn't acceptable alt_encoded = encoded[6:] self.assertFalse(check_password('lètmein', alt_encoded)) @skipUnless(crypt, "no crypt module to generate password.") def test_crypt(self): encoded = make_password('lètmei', 'ab', 'crypt') self.assertEqual(encoded, 'crypt$$ab1Hv2Lg7ltQo') self.assertTrue(is_password_usable(encoded)) self.assertTrue(check_password('lètmei', encoded)) self.assertFalse(check_password('lètmeiz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "crypt") @skipUnless(bcrypt, "py-bcrypt not installed") def test_bcrypt_sha256(self): encoded = make_password('lètmein', hasher='bcrypt_sha256') self.assertTrue(is_password_usable(encoded)) self.assertTrue(encoded.startswith('bcrypt_sha256$')) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "bcrypt_sha256") # Verify that password truncation no longer works password = ('VSK0UYV6FFQVZ0KG88DYN9WADAADZO1CTSIVDJUNZSUML6IBX7LN7ZS3R5' 'JGB3RGZ7VI7G7DJQ9NI8BQFSRPTG6UWTTVESA5ZPUN') encoded = make_password(password, hasher='bcrypt_sha256') self.assertTrue(check_password(password, encoded)) self.assertFalse(check_password(password[:72], encoded)) @skipUnless(bcrypt, "py-bcrypt not installed") def test_bcrypt(self): encoded = make_password('lètmein', hasher='bcrypt') self.assertTrue(is_password_usable(encoded)) self.assertTrue(encoded.startswith('bcrypt$')) self.assertTrue(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertEqual(identify_hasher(encoded).algorithm, "bcrypt") def test_unusable(self): encoded = make_password(None) self.assertFalse(is_password_usable(encoded)) self.assertFalse(check_password(None, encoded)) self.assertFalse(check_password(UNUSABLE_PASSWORD, encoded)) self.assertFalse(check_password('', encoded)) self.assertFalse(check_password('lètmein', encoded)) self.assertFalse(check_password('lètmeinz', encoded)) self.assertRaises(ValueError, identify_hasher, encoded) def test_bad_algorithm(self): def doit(): make_password('lètmein', hasher='lolcat') self.assertRaises(ValueError, doit) self.assertRaises(ValueError, identify_hasher, "lolcat$salt$hash") def test_bad_encoded(self): self.assertFalse(is_password_usable('lètmein_badencoded')) self.assertFalse(is_password_usable('')) def test_low_level_pkbdf2(self): hasher = PBKDF2PasswordHasher() encoded = hasher.encode('lètmein', 'seasalt') self.assertEqual(encoded, 'pbkdf2_sha256$10000$seasalt$CWWFdHOWwPnki7HvkcqN9iA2T3KLW1cf2uZ5kvArtVY=') self.assertTrue(hasher.verify('lètmein', encoded)) def test_low_level_pbkdf2_sha1(self): hasher = PBKDF2SHA1PasswordHasher() encoded = hasher.encode('lètmein', 'seasalt') self.assertEqual(encoded, 'pbkdf2_sha1$10000$seasalt$oAfF6vgs95ncksAhGXOWf4Okq7o=') self.assertTrue(hasher.verify('lètmein', encoded)) def test_upgrade(self): self.assertEqual('pbkdf2_sha256', get_hasher('default').algorithm) for algo in ('sha1', 'md5'): encoded = make_password('lètmein', hasher=algo) state = {'upgraded': False} def setter(password): state['upgraded'] = True self.assertTrue(check_password('lètmein', encoded, setter)) self.assertTrue(state['upgraded']) def test_no_upgrade(self): encoded = make_password('lètmein') state = {'upgraded': False} def setter(): state['upgraded'] = True self.assertFalse(check_password('WRONG', encoded, setter)) self.assertFalse(state['upgraded']) def test_no_upgrade_on_incorrect_pass(self): self.assertEqual('pbkdf2_sha256', get_hasher('default').algorithm) for algo in ('sha1', 'md5'): encoded = make_password('lètmein', hasher=algo) state = {'upgraded': False} def setter(): state['upgraded'] = True self.assertFalse(check_password('WRONG', encoded, setter)) self.assertFalse(state['upgraded'])