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094a13d2c9b257f520c48170074a9a8435e5e957
GoogleDriveManagement/passlib/tests/test_ext_django.py
Jay Lee 094a13d2c9 add passlib for sha-512 salted hash generation
2014-06-29 14:11:57 -04:00

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"""test passlib.ext.django"""
#=============================================================================
# imports
#=============================================================================
from __future__ import with_statement
# core
import logging; log = logging.getLogger(__name__)
import sys
import warnings
# site
# pkg
from passlib.apps import django10_context, django14_context, django16_context
from passlib.context import CryptContext
import passlib.exc as exc
from passlib.utils.compat import iteritems, unicode, get_method_function, u, PY3
from passlib.utils import memoized_property
from passlib.registry import get_crypt_handler
# tests
from passlib.tests.utils import TestCase, skipUnless, catch_warnings, TEST_MODE, has_active_backend
from passlib.tests.test_handlers import get_handler_case
# local
#=============================================================================
# configure django settings for testcases
#=============================================================================
from passlib.ext.django.utils import DJANGO_VERSION
# disable all Django integration tests under py3,
# since Django doesn't support py3 yet.
if PY3 and DJANGO_VERSION < (1,5):
DJANGO_VERSION = ()
# convert django version to some cheap flags
has_django = bool(DJANGO_VERSION)
has_django0 = has_django and DJANGO_VERSION < (1,0)
has_django1 = DJANGO_VERSION >= (1,0)
has_django14 = DJANGO_VERSION >= (1,4)
# import and configure empty django settings
if has_django:
from django.conf import settings, LazySettings
if not isinstance(settings, LazySettings):
# this probably means django globals have been configured already,
# which we don't want, since test cases reset and manipulate settings.
raise RuntimeError("expected django.conf.settings to be LazySettings: %r" % (settings,))
# else configure a blank settings instance for the unittests
if has_django0:
if settings._target is None:
from django.conf import UserSettingsHolder, global_settings
settings._target = UserSettingsHolder(global_settings)
elif not settings.configured:
settings.configure()
#=============================================================================
# support funcs
#=============================================================================
# flag for update_settings() to remove specified key entirely
UNSET = object()
def update_settings(**kwds):
"""helper to update django settings from kwds"""
for k,v in iteritems(kwds):
if v is UNSET:
if hasattr(settings, k):
if has_django0:
delattr(settings._target, k)
else:
delattr(settings, k)
else:
setattr(settings, k, v)
if has_django:
from django.contrib.auth.models import User
class FakeUser(User):
"mock user object for use in testing"
# NOTE: this mainly just overrides .save() to test commit behavior.
@memoized_property
def saved_passwords(self):
return []
def pop_saved_passwords(self):
try:
return self.saved_passwords[:]
finally:
del self.saved_passwords[:]
def save(self, update_fields=None):
# NOTE: ignoring update_fields for test purposes
self.saved_passwords.append(self.password)
def create_mock_setter():
state = []
def setter(password):
state.append(password)
def popstate():
try:
return state[:]
finally:
del state[:]
setter.popstate = popstate
return setter
#=============================================================================
# work up stock django config
#=============================================================================
sample_hashes = {} # override sample hashes used in test cases
if DJANGO_VERSION >= (1,6):
stock_config = django16_context.to_dict()
stock_config.update(
deprecated="auto",
django_pbkdf2_sha1__default_rounds=12000,
django_pbkdf2_sha256__default_rounds=12000,
)
sample_hashes.update(
django_pbkdf2_sha256=("not a password", "pbkdf2_sha256$12000$rpUPFQOVetrY$cEcWG4DjjDpLrDyXnduM+XJUz25U63RcM3//xaFnBnw="),
)
elif DJANGO_VERSION >= (1,4):
stock_config = django14_context.to_dict()
stock_config.update(
deprecated="auto",
django_pbkdf2_sha1__default_rounds=10000,
django_pbkdf2_sha256__default_rounds=10000,
)
elif DJANGO_VERSION >= (1,0):
stock_config = django10_context.to_dict()
else:
# 0.9.6 config
stock_config = dict(
schemes=["django_salted_sha1", "django_salted_md5", "hex_md5"],
deprecated=["hex_md5"]
)
#=============================================================================
# test utils
#=============================================================================
class _ExtensionSupport(object):
"support funcs for loading/unloading extension"
#===================================================================
# support funcs
#===================================================================
@classmethod
def _iter_patch_candidates(cls):
"""helper to scan for monkeypatches.
returns tuple containing:
* object (module or class)
* attribute of object
* value of attribute
* whether it should or should not be patched
"""
# XXX: this and assert_unpatched() could probably be refactored to use
# the PatchManager class to do the heavy lifting.
from django.contrib.auth import models
user_attrs = ["check_password", "set_password"]
model_attrs = ["check_password"]
objs = [(models, model_attrs), (models.User, user_attrs)]
if has_django14:
from django.contrib.auth import hashers
model_attrs.append("make_password")
objs.append((hashers, ["check_password", "make_password",
"get_hasher", "identify_hasher"]))
if has_django0:
user_attrs.extend(["has_usable_password", "set_unusable_password"])
for obj, patched in objs:
for attr in dir(obj):
if attr.startswith("_"):
continue
value = obj.__dict__.get(attr, UNSET) # can't use getattr() due to GAE
if value is UNSET and attr not in patched:
continue
value = get_method_function(value)
source = getattr(value, "__module__", None)
if source:
yield obj, attr, source, (attr in patched)
#===================================================================
# verify current patch state
#===================================================================
def assert_unpatched(self):
"test that django is in unpatched state"
# make sure we aren't currently patched
mod = sys.modules.get("passlib.ext.django.models")
self.assertFalse(mod and mod._patched, "patch should not be enabled")
# make sure no objects have been replaced, by checking __module__
for obj, attr, source, patched in self._iter_patch_candidates():
if patched:
self.assertTrue(source.startswith("django.contrib.auth."),
"obj=%r attr=%r was not reverted: %r" %
(obj, attr, source))
else:
self.assertFalse(source.startswith("passlib."),
"obj=%r attr=%r should not have been patched: %r" %
(obj, attr, source))
def assert_patched(self, context=None):
"helper to ensure django HAS been patched, and is using specified config"
# make sure we're currently patched
mod = sys.modules.get("passlib.ext.django.models")
self.assertTrue(mod and mod._patched, "patch should have been enabled")
# make sure only the expected objects have been patched
for obj, attr, source, patched in self._iter_patch_candidates():
if patched:
self.assertTrue(source == "passlib.ext.django.models",
"obj=%r attr=%r should have been patched: %r" %
(obj, attr, source))
else:
self.assertFalse(source.startswith("passlib."),
"obj=%r attr=%r should not have been patched: %r" %
(obj, attr, source))
# check context matches
if context is not None:
context = CryptContext._norm_source(context)
self.assertEqual(mod.password_context.to_dict(resolve=True),
context.to_dict(resolve=True))
#===================================================================
# load / unload the extension (and verify it worked)
#===================================================================
_config_keys = ["PASSLIB_CONFIG", "PASSLIB_CONTEXT", "PASSLIB_GET_CATEGORY"]
def load_extension(self, check=True, **kwds):
"helper to load extension with specified config & patch django"
self.unload_extension()
if check:
config = kwds.get("PASSLIB_CONFIG") or kwds.get("PASSLIB_CONTEXT")
for key in self._config_keys:
kwds.setdefault(key, UNSET)
update_settings(**kwds)
import passlib.ext.django.models
if check:
self.assert_patched(context=config)
def unload_extension(self):
"helper to remove patches and unload extension"
# remove patches and unload module
mod = sys.modules.get("passlib.ext.django.models")
if mod:
mod._remove_patch()
del sys.modules["passlib.ext.django.models"]
# wipe config from django settings
update_settings(**dict((key, UNSET) for key in self._config_keys))
# check everything's gone
self.assert_unpatched()
#===================================================================
# eoc
#===================================================================
# XXX: rename to ExtensionFixture?
class _ExtensionTest(TestCase, _ExtensionSupport):
def setUp(self):
super(_ExtensionTest, self).setUp()
self.require_TEST_MODE("default")
if not has_django:
raise self.skipTest("Django not installed")
# reset to baseline, and verify it worked
self.unload_extension()
# and do the same when the test exits
self.addCleanup(self.unload_extension)
#=============================================================================
# extension tests
#=============================================================================
class DjangoBehaviorTest(_ExtensionTest):
"tests model to verify it matches django's behavior"
descriptionPrefix = "verify django behavior"
patched = False
config = stock_config
# NOTE: if this test fails, it means we're not accounting for
# some part of django's hashing logic, or that this is
# running against an untested version of django with a new
# hashing policy.
@property
def context(self):
return CryptContext._norm_source(self.config)
def assert_unusable_password(self, user):
"""check that user object is set to 'unusable password' constant"""
if DJANGO_VERSION >= (1,6):
# 1.6 on adds a random(?) suffix
self.assertTrue(user.password.startswith("!"))
else:
self.assertEqual(user.password, "!")
if has_django1 or self.patched:
self.assertFalse(user.has_usable_password())
self.assertEqual(user.pop_saved_passwords(), [])
def assert_valid_password(self, user, hash=UNSET, saved=None):
"""check that user object has a usuable password hash.
:param hash: optionally check it has this exact hash
:param saved: check that mock commit history
for user.password matches this list
"""
if hash is UNSET:
self.assertNotEqual(user.password, "!")
self.assertNotEqual(user.password, None)
else:
self.assertEqual(user.password, hash)
if has_django1 or self.patched:
self.assertTrue(user.has_usable_password())
self.assertEqual(user.pop_saved_passwords(),
[] if saved is None else [saved])
def test_config(self):
"""test hashing interface
this function is run against both the actual django code, to
verify the assumptions of the unittests are correct;
and run against the passlib extension, to verify it matches
those assumptions.
"""
patched, config = self.patched, self.config
# this tests the following methods:
# User.set_password()
# User.check_password()
# make_password() -- 1.4 only
# check_password()
# identify_hasher()
# User.has_usable_password()
# User.set_unusable_password()
# XXX: this take a while to run. what could be trimmed?
# TODO: get_hasher()
#=======================================================
# setup helpers & imports
#=======================================================
ctx = self.context
setter = create_mock_setter()
PASS1 = "toomanysecrets"
WRONG1 = "letmein"
has_hashers = False
has_identify_hasher = False
if has_django14:
from passlib.ext.django.utils import hasher_to_passlib_name, passlib_to_hasher_name
from django.contrib.auth.hashers import check_password, make_password, is_password_usable
if patched or DJANGO_VERSION > (1,5):
# identify_hasher()
# django 1.4 -- not present
# django 1.5 -- present (added in django ticket 18184)
# passlib integration -- present even under 1.4
from django.contrib.auth.hashers import identify_hasher
has_identify_hasher = True
hash_hashers = True
else:
from django.contrib.auth.models import check_password
#=======================================================
# make sure extension is configured correctly
#=======================================================
if patched:
# contexts should match
from passlib.ext.django.models import password_context
self.assertEqual(password_context.to_dict(resolve=True),
ctx.to_dict(resolve=True))
# should have patched both places
if has_django14:
from django.contrib.auth.models import check_password as check_password2
self.assertIs(check_password2, check_password)
#=======================================================
# default algorithm
#=======================================================
# User.set_password() should use default alg
user = FakeUser()
user.set_password(PASS1)
self.assertTrue(ctx.handler().verify(PASS1, user.password))
self.assert_valid_password(user)
# User.check_password() - n/a
# make_password() should use default alg
if has_django14:
hash = make_password(PASS1)
self.assertTrue(ctx.handler().verify(PASS1, hash))
# check_password() - n/a
#=======================================================
# empty password behavior
#=======================================================
if (1,4) <= DJANGO_VERSION < (1,6):
# NOTE: django 1.4-1.5 treat empty password as invalid
# User.set_password() should set unusable flag
user = FakeUser()
user.set_password('')
self.assert_unusable_password(user)
# User.check_password() should never return True
user = FakeUser()
user.password = hash = ctx.encrypt("")
self.assertFalse(user.check_password(""))
self.assert_valid_password(user, hash)
# make_password() should reject empty passwords
self.assertEqual(make_password(""), "!")
# check_password() should never return True
self.assertFalse(check_password("", hash))
else:
# User.set_password() should use default alg
user = FakeUser()
user.set_password('')
hash = user.password
self.assertTrue(ctx.handler().verify('', hash))
self.assert_valid_password(user, hash)
# User.check_password() should return True
self.assertTrue(user.check_password(""))
self.assert_valid_password(user, hash)
# no make_password()
# check_password() should return True
self.assertTrue(check_password("", hash))
#=======================================================
# 'unusable flag' behavior
#=======================================================
if has_django1 or patched:
# sanity check via user.set_unusable_password()
user = FakeUser()
user.set_unusable_password()
self.assert_unusable_password(user)
# ensure User.set_password() sets unusable flag
user = FakeUser()
user.set_password(None)
if DJANGO_VERSION < (1,2):
# would set password to hash of "None"
self.assert_valid_password(user)
else:
self.assert_unusable_password(user)
# User.check_password() should always fail
if DJANGO_VERSION < (1,2):
self.assertTrue(user.check_password(None))
self.assertTrue(user.check_password('None'))
self.assertFalse(user.check_password(''))
self.assertFalse(user.check_password(PASS1))
self.assertFalse(user.check_password(WRONG1))
else:
self.assertFalse(user.check_password(None))
self.assertFalse(user.check_password('None'))
self.assertFalse(user.check_password(''))
self.assertFalse(user.check_password(PASS1))
self.assertFalse(user.check_password(WRONG1))
self.assert_unusable_password(user)
# make_password() should also set flag
if has_django14:
if DJANGO_VERSION >= (1,6):
self.assertTrue(make_password(None).startswith("!"))
else:
self.assertEqual(make_password(None), "!")
# check_password() should return False (didn't handle disabled under 1.3)
if has_django14 or patched:
self.assertFalse(check_password(PASS1, '!'))
# identify_hasher() and is_password_usable() should reject it
if has_django14:
self.assertFalse(is_password_usable(user.password))
if has_identify_hasher:
self.assertRaises(ValueError, identify_hasher, user.password)
#=======================================================
# hash=None
#=======================================================
# User.set_password() - n/a
# User.check_password() - returns False
user = FakeUser()
user.password = None
if has_django14 or patched:
self.assertFalse(user.check_password(PASS1))
else:
self.assertRaises(TypeError, user.check_password, PASS1)
if has_django1 or patched:
if DJANGO_VERSION < (1,2):
self.assertTrue(user.has_usable_password())
else:
self.assertFalse(user.has_usable_password())
# make_password() - n/a
# check_password() - error
if has_django14 or patched:
self.assertFalse(check_password(PASS1, None))
else:
self.assertRaises(AttributeError, check_password, PASS1, None)
# identify_hasher() - error
if has_identify_hasher:
self.assertRaises(TypeError, identify_hasher, None)
#=======================================================
# empty & invalid hash values
# NOTE: django 1.5 behavior change due to django ticket 18453
# NOTE: passlib integration tries to match current django version
#=======================================================
for hash in ("", # empty hash
"$789$foo", # empty identifier
):
# User.set_password() - n/a
# User.check_password()
# empty
# -----
# django 1.3 and earlier -- blank hash returns False
# django 1.4 -- blank threw error (fixed in 1.5)
# django 1.5 -- blank hash returns False
#
# invalid
# -------
# django 1.4 and earlier -- invalid hash threw error (fixed in 1.5)
# django 1.5 -- invalid hash returns False
user = FakeUser()
user.password = hash
if DJANGO_VERSION >= (1,5) or (not hash and DJANGO_VERSION < (1,4)):
# returns False for hash
self.assertFalse(user.check_password(PASS1))
else:
# throws error for hash
self.assertRaises(ValueError, user.check_password, PASS1)
# verify hash wasn't changed/upgraded during check_password() call
self.assertEqual(user.password, hash)
self.assertEqual(user.pop_saved_passwords(), [])
# User.has_usable_password()
# passlib shim for django 0.x -- invalid/empty usable, to match 1.0-1.4
# django 1.0-1.4 -- invalid/empty usable (fixed in 1.5)
# django 1.5 -- invalid/empty no longer usable
if has_django1 or self.patched:
if DJANGO_VERSION < (1,5):
self.assertTrue(user.has_usable_password())
else:
self.assertFalse(user.has_usable_password())
# make_password() - n/a
# check_password()
# django 1.4 and earlier -- invalid/empty hash threw error (fixed in 1.5)
# django 1.5 -- invalid/empty hash now returns False
if DJANGO_VERSION < (1,5):
self.assertRaises(ValueError, check_password, PASS1, hash)
else:
self.assertFalse(check_password(PASS1, hash))
# identify_hasher() - throws error
if has_identify_hasher:
self.assertRaises(ValueError, identify_hasher, hash)
#=======================================================
# run through all the schemes in the context,
# testing various bits of per-scheme behavior.
#=======================================================
for scheme in ctx.schemes():
#-------------------------------------------------------
# setup constants & imports, pick a sample secret/hash combo
#-------------------------------------------------------
handler = ctx.handler(scheme)
deprecated = ctx._is_deprecated_scheme(scheme)
assert not deprecated or scheme != ctx.default_scheme()
try:
testcase = get_handler_case(scheme)
except exc.MissingBackendError:
assert scheme == "bcrypt"
continue
assert testcase.handler is handler
if testcase.is_disabled_handler:
continue
if not has_active_backend(handler):
assert scheme == "django_bcrypt"
continue
try:
secret, hash = sample_hashes[scheme]
except KeyError:
while True:
secret, hash = testcase('setUp').get_sample_hash()
if secret: # don't select blank passwords, especially under django 1.4/1.5
break
other = 'dontletmein'
# User.set_password() - n/a
#-------------------------------------------------------
# User.check_password()+migration against known hash
#-------------------------------------------------------
user = FakeUser()
user.password = hash
# check against invalid password
if has_django1 or patched:
self.assertFalse(user.check_password(None))
else:
self.assertRaises(TypeError, user.check_password, None)
##self.assertFalse(user.check_password(''))
self.assertFalse(user.check_password(other))
self.assert_valid_password(user, hash)
# check against valid password
if has_django0 and isinstance(secret, unicode):
secret = secret.encode("utf-8")
self.assertTrue(user.check_password(secret))
# check if it upgraded the hash
# NOTE: needs_update kept separate in case we need to test rounds.
needs_update = deprecated
if needs_update:
self.assertNotEqual(user.password, hash)
self.assertFalse(handler.identify(user.password))
self.assertTrue(ctx.handler().verify(secret, user.password))
self.assert_valid_password(user, saved=user.password)
else:
self.assert_valid_password(user, hash)
# don't need to check rest for most deployments
if TEST_MODE(max="default"):
continue
#-------------------------------------------------------
# make_password() correctly selects algorithm
#-------------------------------------------------------
if has_django14:
hash2 = make_password(secret, hasher=passlib_to_hasher_name(scheme))
self.assertTrue(handler.verify(secret, hash2))
#-------------------------------------------------------
# check_password()+setter against known hash
#-------------------------------------------------------
if has_django14 or patched:
# should call setter only if it needs_update
self.assertTrue(check_password(secret, hash, setter=setter))
self.assertEqual(setter.popstate(), [secret] if needs_update else [])
# should not call setter
self.assertFalse(check_password(other, hash, setter=setter))
self.assertEqual(setter.popstate(), [])
### check preferred kwd is ignored (django 1.4 feature we don't support)
##self.assertTrue(check_password(secret, hash, setter=setter, preferred='fooey'))
##self.assertEqual(setter.popstate(), [secret])
elif patched or scheme != "hex_md5":
# django 1.3 never called check_password() for hex_md5
self.assertTrue(check_password(secret, hash))
self.assertFalse(check_password(other, hash))
# TODO: get_hasher()
#-------------------------------------------------------
# identify_hasher() recognizes known hash
#-------------------------------------------------------
if has_identify_hasher:
self.assertTrue(is_password_usable(hash))
name = hasher_to_passlib_name(identify_hasher(hash).algorithm)
self.assertEqual(name, scheme)
class ExtensionBehaviorTest(DjangoBehaviorTest):
"test model to verify passlib.ext.django conforms to it"
descriptionPrefix = "verify extension behavior"
patched = True
config = dict(
schemes="sha256_crypt,md5_crypt,des_crypt",
deprecated="des_crypt",
)
def setUp(self):
super(ExtensionBehaviorTest, self).setUp()
self.load_extension(PASSLIB_CONFIG=self.config)
class DjangoExtensionTest(_ExtensionTest):
"""test the ``passlib.ext.django`` plugin"""
descriptionPrefix = "passlib.ext.django plugin"
#===================================================================
# monkeypatch testing
#===================================================================
def test_00_patch_control(self):
"test set_django_password_context patch/unpatch"
# check config="disabled"
self.load_extension(PASSLIB_CONFIG="disabled", check=False)
self.assert_unpatched()
# check legacy config=None
with self.assertWarningList("PASSLIB_CONFIG=None is deprecated"):
self.load_extension(PASSLIB_CONFIG=None, check=False)
self.assert_unpatched()
# try stock django 1.0 context
self.load_extension(PASSLIB_CONFIG="django-1.0", check=False)
self.assert_patched(context=django10_context)
# try to remove patch
self.unload_extension()
# patch to use stock django 1.4 context
self.load_extension(PASSLIB_CONFIG="django-1.4", check=False)
self.assert_patched(context=django14_context)
# try to remove patch again
self.unload_extension()
def test_01_overwrite_detection(self):
"test detection of foreign monkeypatching"
# NOTE: this sets things up, and spot checks two methods,
# this should be enough to verify patch manager is working.
# TODO: test unpatch behavior honors flag.
# configure plugin to use sample context
config = "[passlib]\nschemes=des_crypt\n"
self.load_extension(PASSLIB_CONFIG=config)
# setup helpers
import django.contrib.auth.models as models
from passlib.ext.django.models import _manager
def dummy():
pass
# mess with User.set_password, make sure it's detected
orig = models.User.set_password
models.User.set_password = dummy
with self.assertWarningList("another library has patched.*User\.set_password"):
_manager.check_all()
models.User.set_password = orig
# mess with models.check_password, make sure it's detected
orig = models.check_password
models.check_password = dummy
with self.assertWarningList("another library has patched.*models:check_password"):
_manager.check_all()
models.check_password = orig
def test_02_handler_wrapper(self):
"test Hasher-compatible handler wrappers"
if not has_django14:
raise self.skipTest("Django >= 1.4 not installed")
from passlib.ext.django.utils import get_passlib_hasher
from django.contrib.auth import hashers
# should return native django hasher if available
hasher = get_passlib_hasher("hex_md5")
self.assertIsInstance(hasher, hashers.UnsaltedMD5PasswordHasher)
hasher = get_passlib_hasher("django_bcrypt")
self.assertIsInstance(hasher, hashers.BCryptPasswordHasher)
# otherwise should return wrapper
from passlib.hash import sha256_crypt
hasher = get_passlib_hasher("sha256_crypt")
self.assertEqual(hasher.algorithm, "passlib_sha256_crypt")
# and wrapper should return correct hash
encoded = hasher.encode("stub")
self.assertTrue(sha256_crypt.verify("stub", encoded))
self.assertTrue(hasher.verify("stub", encoded))
self.assertFalse(hasher.verify("xxxx", encoded))
# test wrapper accepts options
encoded = hasher.encode("stub", "abcd"*4, iterations=1234)
self.assertEqual(encoded, "$5$rounds=1234$abcdabcdabcdabcd$"
"v2RWkZQzctPdejyRqmmTDQpZN6wTh7.RUy9zF2LftT6")
self.assertEqual(hasher.safe_summary(encoded),
{'algorithm': 'sha256_crypt',
'salt': u('abcdab**********'),
'iterations': 1234,
'hash': u('v2RWkZ*************************************'),
})
#===================================================================
# PASSLIB_CONFIG settings
#===================================================================
def test_11_config_disabled(self):
"test PASSLIB_CONFIG='disabled'"
# test config=None (deprecated)
with self.assertWarningList("PASSLIB_CONFIG=None is deprecated"):
self.load_extension(PASSLIB_CONFIG=None, check=False)
self.assert_unpatched()
# test disabled config
self.load_extension(PASSLIB_CONFIG="disabled", check=False)
self.assert_unpatched()
def test_12_config_presets(self):
"test PASSLIB_CONFIG='<preset>'"
# test django presets
self.load_extension(PASSLIB_CONTEXT="django-default", check=False)
if DJANGO_VERSION >= (1,6):
ctx = django16_context
elif DJANGO_VERSION >= (1,4):
ctx = django14_context
else:
ctx = django10_context
self.assert_patched(ctx)
self.load_extension(PASSLIB_CONFIG="django-1.0", check=False)
self.assert_patched(django10_context)
self.load_extension(PASSLIB_CONFIG="django-1.4", check=False)
self.assert_patched(django14_context)
def test_13_config_defaults(self):
"test PASSLIB_CONFIG default behavior"
# check implicit default
from passlib.ext.django.utils import PASSLIB_DEFAULT
default = CryptContext.from_string(PASSLIB_DEFAULT)
self.load_extension()
self.assert_patched(PASSLIB_DEFAULT)
# check default preset
self.load_extension(PASSLIB_CONTEXT="passlib-default", check=False)
self.assert_patched(PASSLIB_DEFAULT)
# check explicit string
self.load_extension(PASSLIB_CONTEXT=PASSLIB_DEFAULT, check=False)
self.assert_patched(PASSLIB_DEFAULT)
def test_14_config_invalid(self):
"test PASSLIB_CONFIG type checks"
update_settings(PASSLIB_CONTEXT=123, PASSLIB_CONFIG=UNSET)
self.assertRaises(TypeError, __import__, 'passlib.ext.django.models')
self.unload_extension()
update_settings(PASSLIB_CONFIG="missing-preset", PASSLIB_CONTEXT=UNSET)
self.assertRaises(ValueError, __import__, 'passlib.ext.django.models')
#===================================================================
# PASSLIB_GET_CATEGORY setting
#===================================================================
def test_21_category_setting(self):
"test PASSLIB_GET_CATEGORY parameter"
# define config where rounds can be used to detect category
config = dict(
schemes = ["sha256_crypt"],
sha256_crypt__default_rounds = 1000,
staff__sha256_crypt__default_rounds = 2000,
superuser__sha256_crypt__default_rounds = 3000,
)
from passlib.hash import sha256_crypt
def run(**kwds):
"helper to take in user opts, return rounds used in password"
user = FakeUser(**kwds)
user.set_password("stub")
return sha256_crypt.from_string(user.password).rounds
# test default get_category
self.load_extension(PASSLIB_CONFIG=config)
self.assertEqual(run(), 1000)
self.assertEqual(run(is_staff=True), 2000)
self.assertEqual(run(is_superuser=True), 3000)
# test patch uses explicit get_category function
def get_category(user):
return user.first_name or None
self.load_extension(PASSLIB_CONTEXT=config,
PASSLIB_GET_CATEGORY=get_category)
self.assertEqual(run(), 1000)
self.assertEqual(run(first_name='other'), 1000)
self.assertEqual(run(first_name='staff'), 2000)
self.assertEqual(run(first_name='superuser'), 3000)
# test patch can disable get_category entirely
def get_category(user):
return None
self.load_extension(PASSLIB_CONTEXT=config,
PASSLIB_GET_CATEGORY=get_category)
self.assertEqual(run(), 1000)
self.assertEqual(run(first_name='other'), 1000)
self.assertEqual(run(first_name='staff', is_staff=True), 1000)
self.assertEqual(run(first_name='superuser', is_superuser=True), 1000)
# test bad value
self.assertRaises(TypeError, self.load_extension, PASSLIB_CONTEXT=config,
PASSLIB_GET_CATEGORY='x')
#===================================================================
# eoc
#===================================================================
from passlib.context import CryptContext
class ContextWithHook(CryptContext):
"""subclass which invokes update_hook(self) before major actions"""
@staticmethod
def update_hook(self):
pass
def encrypt(self, *args, **kwds):
self.update_hook(self)
return super(ContextWithHook, self).encrypt(*args, **kwds)
def verify(self, *args, **kwds):
self.update_hook(self)
return super(ContextWithHook, self).verify(*args, **kwds)
# hack up the some of the real django tests to run w/ extension loaded,
# to ensure we mimic their behavior.
if has_django14:
from passlib.tests.utils import patchAttr
if DJANGO_VERSION >= (1,6):
from django.contrib.auth.tests import test_hashers as _thmod
else:
from django.contrib.auth.tests import hashers as _thmod
class HashersTest(_thmod.TestUtilsHashPass, _ExtensionSupport):
"""run django's hasher unittests against passlib's extension
and workalike implementations"""
def setUp(self):
# NOTE: omitted orig setup, want to install our extension,
# and load hashers through it instead.
self.load_extension(PASSLIB_CONTEXT=stock_config, check=False)
from passlib.ext.django.models import password_context
# update test module to use our versions of some hasher funcs
from django.contrib.auth import hashers
for attr in ["make_password",
"check_password",
"identify_hasher",
"get_hasher"]:
patchAttr(self, _thmod, attr, getattr(hashers, attr))
# django 1.5 tests expect empty django_des_crypt salt field
if DJANGO_VERSION > (1,4):
from passlib.hash import django_des_crypt
patchAttr(self, django_des_crypt, "use_duplicate_salt", False)
# hack: need password_context to keep up to date with hasher.iterations
if DJANGO_VERSION >= (1,6):
def update_hook(self):
rounds = _thmod.get_hasher("pbkdf2_sha256").iterations
self.update(
django_pbkdf2_sha256__min_rounds=rounds,
django_pbkdf2_sha256__default_rounds=rounds,
django_pbkdf2_sha256__max_rounds=rounds,
)
patchAttr(self, password_context, "__class__", ContextWithHook)
patchAttr(self, password_context, "update_hook", update_hook)
# omitting this test, since it depends on updated to django hasher settings
test_pbkdf2_upgrade_new_hasher = lambda self: self.skipTest("omitted by passlib")
def tearDown(self):
self.unload_extension()
super(HashersTest, self).tearDown()
HashersTest = skipUnless(TEST_MODE("default"),
"requires >= 'default' test mode")(HashersTest)
#=============================================================================
# eof
#=============================================================================
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