"""tests for passlib.context""" #============================================================================= # imports #============================================================================= # core from __future__ import with_statement from passlib.utils.compat import PY3 if PY3: from configparser import NoSectionError else: from ConfigParser import NoSectionError import hashlib import logging; log = logging.getLogger(__name__) import re import os import time import warnings import sys # site # pkg from passlib import hash from passlib.context import CryptContext, LazyCryptContext from passlib.exc import PasslibConfigWarning from passlib.utils import tick, to_bytes, to_unicode from passlib.utils.compat import irange, u, unicode, str_to_uascii, PY2 import passlib.utils.handlers as uh from passlib.tests.utils import TestCase, catch_warnings, set_file, TICK_RESOLUTION, quicksleep from passlib.registry import (register_crypt_handler_path, _has_crypt_handler as has_crypt_handler, _unload_handler_name as unload_handler_name, get_crypt_handler, ) # local #============================================================================= # support #============================================================================= here = os.path.abspath(os.path.dirname(__file__)) def merge_dicts(first, *args, **kwds): target = first.copy() for arg in args: target.update(arg) if kwds: target.update(kwds) return target #============================================================================= # #============================================================================= class CryptContextTest(TestCase): descriptionPrefix = "CryptContext" # TODO: these unittests could really use a good cleanup # and reorganizing, to ensure they're getting everything. #=================================================================== # sample configurations used in tests #=================================================================== #--------------------------------------------------------------- # sample 1 - typical configuration #--------------------------------------------------------------- sample_1_schemes = ["des_crypt", "md5_crypt", "bsdi_crypt", "sha512_crypt"] sample_1_handlers = [get_crypt_handler(name) for name in sample_1_schemes] sample_1_dict = dict( schemes = sample_1_schemes, default = "md5_crypt", all__vary_rounds = 0.1, bsdi_crypt__max_rounds = 30000, bsdi_crypt__default_rounds = 25000, sha512_crypt__max_rounds = 50000, sha512_crypt__min_rounds = 40000, ) sample_1_resolved_dict = merge_dicts(sample_1_dict, schemes = sample_1_handlers) sample_1_unnormalized = u("""\ [passlib] schemes = des_crypt, md5_crypt, bsdi_crypt, sha512_crypt default = md5_crypt ; this is using %... all__vary_rounds = 10%% ; this is using 'rounds' instead of 'default_rounds' bsdi_crypt__rounds = 25000 bsdi_crypt__max_rounds = 30000 sha512_crypt__max_rounds = 50000 sha512_crypt__min_rounds = 40000 """) sample_1_unicode = u("""\ [passlib] schemes = des_crypt, md5_crypt, bsdi_crypt, sha512_crypt default = md5_crypt all__vary_rounds = 0.1 bsdi_crypt__default_rounds = 25000 bsdi_crypt__max_rounds = 30000 sha512_crypt__max_rounds = 50000 sha512_crypt__min_rounds = 40000 """) #--------------------------------------------------------------- # sample 1 external files #--------------------------------------------------------------- # sample 1 string with '\n' linesep sample_1_path = os.path.join(here, "sample1.cfg") # sample 1 with '\r\n' linesep sample_1b_unicode = sample_1_unicode.replace(u("\n"), u("\r\n")) sample_1b_path = os.path.join(here, "sample1b.cfg") # sample 1 using UTF-16 and alt section sample_1c_bytes = sample_1_unicode.replace(u("[passlib]"), u("[mypolicy]")).encode("utf-16") sample_1c_path = os.path.join(here, "sample1c.cfg") # enable to regenerate sample files if False: set_file(sample_1_path, sample_1_unicode) set_file(sample_1b_path, sample_1b_unicode) set_file(sample_1c_path, sample_1c_bytes) #--------------------------------------------------------------- # sample 2 & 12 - options patch #--------------------------------------------------------------- sample_2_dict = dict( # using this to test full replacement of existing options bsdi_crypt__min_rounds = 29000, bsdi_crypt__max_rounds = 35000, bsdi_crypt__default_rounds = 31000, # using this to test partial replacement of existing options sha512_crypt__min_rounds=45000, ) sample_2_unicode = """\ [passlib] bsdi_crypt__min_rounds = 29000 bsdi_crypt__max_rounds = 35000 bsdi_crypt__default_rounds = 31000 sha512_crypt__min_rounds = 45000 """ # sample 2 overlayed on top of sample 1 sample_12_dict = merge_dicts(sample_1_dict, sample_2_dict) #--------------------------------------------------------------- # sample 3 & 123 - just changing default from sample 1 #--------------------------------------------------------------- sample_3_dict = dict( default="sha512_crypt", ) # sample 3 overlayed on 2 overlayed on 1 sample_123_dict = merge_dicts(sample_12_dict, sample_3_dict) #--------------------------------------------------------------- # sample 4 - used by api tests #--------------------------------------------------------------- sample_4_dict = dict( schemes = [ "des_crypt", "md5_crypt", "phpass", "bsdi_crypt", "sha256_crypt"], deprecated = [ "des_crypt", ], default = "sha256_crypt", bsdi_crypt__max_rounds = 30, bsdi_crypt__default_rounds = 25, bsdi_crypt__vary_rounds = 0, sha256_crypt__max_rounds = 3000, sha256_crypt__min_rounds = 2000, sha256_crypt__default_rounds = 3000, phpass__ident = "H", phpass__default_rounds = 7, ) #=================================================================== # constructors #=================================================================== def test_01_constructor(self): """test class constructor""" # test blank constructor works correctly ctx = CryptContext() self.assertEqual(ctx.to_dict(), {}) # test sample 1 with scheme=names ctx = CryptContext(**self.sample_1_dict) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 with scheme=handlers ctx = CryptContext(**self.sample_1_resolved_dict) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 2: options w/o schemes ctx = CryptContext(**self.sample_2_dict) self.assertEqual(ctx.to_dict(), self.sample_2_dict) # test sample 3: default only ctx = CryptContext(**self.sample_3_dict) self.assertEqual(ctx.to_dict(), self.sample_3_dict) # test unicode scheme names (issue 54) ctx = CryptContext(schemes=[u("sha256_crypt")]) self.assertEqual(ctx.schemes(), ("sha256_crypt",)) def test_02_from_string(self): """test from_string() constructor""" # test sample 1 unicode ctx = CryptContext.from_string(self.sample_1_unicode) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 with unnormalized inputs ctx = CryptContext.from_string(self.sample_1_unnormalized) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 utf-8 ctx = CryptContext.from_string(self.sample_1_unicode.encode("utf-8")) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 w/ '\r\n' linesep ctx = CryptContext.from_string(self.sample_1b_unicode) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 using UTF-16 and alt section ctx = CryptContext.from_string(self.sample_1c_bytes, section="mypolicy", encoding="utf-16") self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test wrong type self.assertRaises(TypeError, CryptContext.from_string, None) # test missing section self.assertRaises(NoSectionError, CryptContext.from_string, self.sample_1_unicode, section="fakesection") def test_03_from_path(self): """test from_path() constructor""" # make sure sample files exist if not os.path.exists(self.sample_1_path): raise RuntimeError("can't find data file: %r" % self.sample_1_path) # test sample 1 ctx = CryptContext.from_path(self.sample_1_path) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 w/ '\r\n' linesep ctx = CryptContext.from_path(self.sample_1b_path) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test sample 1 encoding using UTF-16 and alt section ctx = CryptContext.from_path(self.sample_1c_path, section="mypolicy", encoding="utf-16") self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test missing file self.assertRaises(EnvironmentError, CryptContext.from_path, os.path.join(here, "sample1xxx.cfg")) # test missing section self.assertRaises(NoSectionError, CryptContext.from_path, self.sample_1_path, section="fakesection") def test_04_copy(self): """test copy() method""" cc1 = CryptContext(**self.sample_1_dict) # overlay sample 2 onto copy cc2 = cc1.copy(**self.sample_2_dict) self.assertEqual(cc1.to_dict(), self.sample_1_dict) self.assertEqual(cc2.to_dict(), self.sample_12_dict) # check that repeating overlay makes no change cc2b = cc2.copy(**self.sample_2_dict) self.assertEqual(cc1.to_dict(), self.sample_1_dict) self.assertEqual(cc2b.to_dict(), self.sample_12_dict) # overlay sample 3 on copy cc3 = cc2.copy(**self.sample_3_dict) self.assertEqual(cc3.to_dict(), self.sample_123_dict) # test empty copy creates separate copy cc4 = cc1.copy() self.assertIsNot(cc4, cc1) self.assertEqual(cc1.to_dict(), self.sample_1_dict) self.assertEqual(cc4.to_dict(), self.sample_1_dict) # ... and that modifying copy doesn't affect original cc4.update(**self.sample_2_dict) self.assertEqual(cc1.to_dict(), self.sample_1_dict) self.assertEqual(cc4.to_dict(), self.sample_12_dict) def test_09_repr(self): """test repr()""" cc1 = CryptContext(**self.sample_1_dict) self.assertRegex(repr(cc1), "^$") #=================================================================== # modifiers #=================================================================== def test_10_load(self): """test load() / load_path() method""" # NOTE: load() is the workhorse that handles all policy parsing, # compilation, and validation. most of its features are tested # elsewhere, since all the constructors and modifiers are just # wrappers for it. # source_type 'auto' ctx = CryptContext() # detect dict ctx.load(self.sample_1_dict) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # detect unicode string ctx.load(self.sample_1_unicode) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # detect bytes string ctx.load(self.sample_1_unicode.encode("utf-8")) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # anything else - TypeError self.assertRaises(TypeError, ctx.load, None) # NOTE: load_path() tested by from_path() # NOTE: additional string tests done by from_string() # update flag - tested by update() method tests # encoding keyword - tested by from_string() & from_path() # section keyword - tested by from_string() & from_path() # test load empty ctx = CryptContext(**self.sample_1_dict) ctx.load({}, update=True) self.assertEqual(ctx.to_dict(), self.sample_1_dict) # multiple loads should clear the state ctx = CryptContext() ctx.load(self.sample_1_dict) ctx.load(self.sample_2_dict) self.assertEqual(ctx.to_dict(), self.sample_2_dict) def test_11_load_rollback(self): """test load() errors restore old state""" # create initial context cc = CryptContext(["des_crypt", "sha256_crypt"], sha256_crypt__default_rounds=5000, all__vary_rounds=0.1, ) result = cc.to_string() # do an update operation that should fail during parsing # XXX: not sure what the right error type is here. self.assertRaises(TypeError, cc.update, too__many__key__parts=True) self.assertEqual(cc.to_string(), result) # do an update operation that should fail during extraction # FIXME: this isn't failing even in broken case, need to figure out # way to ensure some keys come after this one. self.assertRaises(KeyError, cc.update, fake_context_option=True) self.assertEqual(cc.to_string(), result) # do an update operation that should fail during compilation self.assertRaises(ValueError, cc.update, sha256_crypt__min_rounds=10000) self.assertEqual(cc.to_string(), result) def test_12_update(self): """test update() method""" # empty overlay ctx = CryptContext(**self.sample_1_dict) ctx.update() self.assertEqual(ctx.to_dict(), self.sample_1_dict) # test basic overlay ctx = CryptContext(**self.sample_1_dict) ctx.update(**self.sample_2_dict) self.assertEqual(ctx.to_dict(), self.sample_12_dict) # ... and again ctx.update(**self.sample_3_dict) self.assertEqual(ctx.to_dict(), self.sample_123_dict) # overlay w/ dict arg ctx = CryptContext(**self.sample_1_dict) ctx.update(self.sample_2_dict) self.assertEqual(ctx.to_dict(), self.sample_12_dict) # overlay w/ string ctx = CryptContext(**self.sample_1_dict) ctx.update(self.sample_2_unicode) self.assertEqual(ctx.to_dict(), self.sample_12_dict) # too many args self.assertRaises(TypeError, ctx.update, {}, {}) self.assertRaises(TypeError, ctx.update, {}, schemes=['des_crypt']) # wrong arg type self.assertRaises(TypeError, ctx.update, None) #=================================================================== # option parsing #=================================================================== def test_20_options(self): """test basic option parsing""" def parse(**kwds): return CryptContext(**kwds).to_dict() # # common option parsing tests # # test keys with blank fields are rejected # blank option self.assertRaises(TypeError, CryptContext, __=0.1) self.assertRaises(TypeError, CryptContext, default__scheme__='x') # blank scheme self.assertRaises(TypeError, CryptContext, __option='x') self.assertRaises(TypeError, CryptContext, default____option='x') # blank category self.assertRaises(TypeError, CryptContext, __scheme__option='x') # test keys with too many field are rejected self.assertRaises(TypeError, CryptContext, category__scheme__option__invalid = 30000) # keys with mixed separators should be handled correctly. # (testing actual data, not to_dict(), since re-render hid original bug) self.assertRaises(KeyError, parse, **{"admin.context__schemes":"md5_crypt"}) ctx = CryptContext(**{"schemes":"md5_crypt,des_crypt", "admin.context__default":"des_crypt"}) self.assertEqual(ctx.default_scheme("admin"), "des_crypt") # # context option -specific tests # # test context option key parsing result = dict(default="md5_crypt") self.assertEqual(parse(default="md5_crypt"), result) self.assertEqual(parse(context__default="md5_crypt"), result) self.assertEqual(parse(default__context__default="md5_crypt"), result) self.assertEqual(parse(**{"context.default":"md5_crypt"}), result) self.assertEqual(parse(**{"default.context.default":"md5_crypt"}), result) # test context option key parsing w/ category result = dict(admin__context__default="md5_crypt") self.assertEqual(parse(admin__context__default="md5_crypt"), result) self.assertEqual(parse(**{"admin.context.default":"md5_crypt"}), result) # # hash option -specific tests # # test hash option key parsing result = dict(all__vary_rounds=0.1) self.assertEqual(parse(all__vary_rounds=0.1), result) self.assertEqual(parse(default__all__vary_rounds=0.1), result) self.assertEqual(parse(**{"all.vary_rounds":0.1}), result) self.assertEqual(parse(**{"default.all.vary_rounds":0.1}), result) # test hash option key parsing w/ category result = dict(admin__all__vary_rounds=0.1) self.assertEqual(parse(admin__all__vary_rounds=0.1), result) self.assertEqual(parse(**{"admin.all.vary_rounds":0.1}), result) # settings not allowed if not in hash.settings_kwds ctx = CryptContext(["phpass", "md5_crypt"], phpass__ident="P") self.assertRaises(KeyError, ctx.copy, md5_crypt__ident="P") # hash options 'salt' and 'rounds' not allowed self.assertRaises(KeyError, CryptContext, schemes=["des_crypt"], des_crypt__salt="xx") self.assertRaises(KeyError, CryptContext, schemes=["des_crypt"], all__salt="xx") def test_21_schemes(self): """test 'schemes' context option parsing""" # schemes can be empty cc = CryptContext(schemes=None) self.assertEqual(cc.schemes(), ()) # schemes can be list of names cc = CryptContext(schemes=["des_crypt", "md5_crypt"]) self.assertEqual(cc.schemes(), ("des_crypt", "md5_crypt")) # schemes can be comma-sep string cc = CryptContext(schemes=" des_crypt, md5_crypt, ") self.assertEqual(cc.schemes(), ("des_crypt", "md5_crypt")) # schemes can be list of handlers cc = CryptContext(schemes=[hash.des_crypt, hash.md5_crypt]) self.assertEqual(cc.schemes(), ("des_crypt", "md5_crypt")) # scheme must be name or handler self.assertRaises(TypeError, CryptContext, schemes=[uh.StaticHandler]) # handlers must have a name class nameless(uh.StaticHandler): name = None self.assertRaises(ValueError, CryptContext, schemes=[nameless]) # names must be unique class dummy_1(uh.StaticHandler): name = 'dummy_1' self.assertRaises(KeyError, CryptContext, schemes=[dummy_1, dummy_1]) # schemes not allowed per-category self.assertRaises(KeyError, CryptContext, admin__context__schemes=["md5_crypt"]) def test_22_deprecated(self): """test 'deprecated' context option parsing""" def getdep(ctx, category=None): return [name for name in ctx.schemes() if ctx._is_deprecated_scheme(name, category)] # no schemes - all deprecated values allowed cc = CryptContext(deprecated=["md5_crypt"]) cc.update(schemes=["md5_crypt", "des_crypt"]) self.assertEqual(getdep(cc),["md5_crypt"]) # deprecated values allowed if subset of schemes cc = CryptContext(deprecated=["md5_crypt"], schemes=["md5_crypt", "des_crypt"]) self.assertEqual(getdep(cc), ["md5_crypt"]) # can be handler # XXX: allow handlers in deprecated list? not for now. self.assertRaises(TypeError, CryptContext, deprecated=[hash.md5_crypt], schemes=["md5_crypt", "des_crypt"]) ## cc = CryptContext(deprecated=[hash.md5_crypt], schemes=["md5_crypt", "des_crypt"]) ## self.assertEqual(getdep(cc), ["md5_crypt"]) # comma sep list cc = CryptContext(deprecated="md5_crypt,des_crypt", schemes=["md5_crypt", "des_crypt", "sha256_crypt"]) self.assertEqual(getdep(cc), ["md5_crypt", "des_crypt"]) # values outside of schemes not allowed self.assertRaises(KeyError, CryptContext, schemes=['des_crypt'], deprecated=['md5_crypt']) # deprecating ALL schemes should cause ValueError self.assertRaises(ValueError, CryptContext, schemes=['des_crypt'], deprecated=['des_crypt']) self.assertRaises(ValueError, CryptContext, schemes=['des_crypt', 'md5_crypt'], admin__context__deprecated=['des_crypt', 'md5_crypt']) # deprecating explicit default scheme should cause ValueError # ... default listed as deprecated self.assertRaises(ValueError, CryptContext, schemes=['des_crypt', 'md5_crypt'], default="md5_crypt", deprecated="md5_crypt") # ... global default deprecated per-category self.assertRaises(ValueError, CryptContext, schemes=['des_crypt', 'md5_crypt'], default="md5_crypt", admin__context__deprecated="md5_crypt") # ... category default deprecated globally self.assertRaises(ValueError, CryptContext, schemes=['des_crypt', 'md5_crypt'], admin__context__default="md5_crypt", deprecated="md5_crypt") # ... category default deprecated in category self.assertRaises(ValueError, CryptContext, schemes=['des_crypt', 'md5_crypt'], admin__context__default="md5_crypt", admin__context__deprecated="md5_crypt") # category deplist should shadow default deplist CryptContext( schemes=['des_crypt', 'md5_crypt'], deprecated="md5_crypt", admin__context__default="md5_crypt", admin__context__deprecated=[]) # wrong type self.assertRaises(TypeError, CryptContext, deprecated=123) # deprecated per-category cc = CryptContext(deprecated=["md5_crypt"], schemes=["md5_crypt", "des_crypt"], admin__context__deprecated=["des_crypt"], ) self.assertEqual(getdep(cc), ["md5_crypt"]) self.assertEqual(getdep(cc, "user"), ["md5_crypt"]) self.assertEqual(getdep(cc, "admin"), ["des_crypt"]) # blank per-category deprecated list, shadowing default list cc = CryptContext(deprecated=["md5_crypt"], schemes=["md5_crypt", "des_crypt"], admin__context__deprecated=[], ) self.assertEqual(getdep(cc), ["md5_crypt"]) self.assertEqual(getdep(cc, "user"), ["md5_crypt"]) self.assertEqual(getdep(cc, "admin"), []) def test_23_default(self): """test 'default' context option parsing""" # anything allowed if no schemes self.assertEqual(CryptContext(default="md5_crypt").to_dict(), dict(default="md5_crypt")) # default allowed if in scheme list ctx = CryptContext(default="md5_crypt", schemes=["des_crypt", "md5_crypt"]) self.assertEqual(ctx.default_scheme(), "md5_crypt") # default can be handler # XXX: sure we want to allow this ? maybe deprecate in future. ctx = CryptContext(default=hash.md5_crypt, schemes=["des_crypt", "md5_crypt"]) self.assertEqual(ctx.default_scheme(), "md5_crypt") # implicit default should be first non-deprecated scheme ctx = CryptContext(schemes=["des_crypt", "md5_crypt"]) self.assertEqual(ctx.default_scheme(), "des_crypt") ctx.update(deprecated="des_crypt") self.assertEqual(ctx.default_scheme(), "md5_crypt") # error if not in scheme list self.assertRaises(KeyError, CryptContext, schemes=['des_crypt'], default='md5_crypt') # wrong type self.assertRaises(TypeError, CryptContext, default=1) # per-category ctx = CryptContext(default="des_crypt", schemes=["des_crypt", "md5_crypt"], admin__context__default="md5_crypt") self.assertEqual(ctx.default_scheme(), "des_crypt") self.assertEqual(ctx.default_scheme("user"), "des_crypt") self.assertEqual(ctx.default_scheme("admin"), "md5_crypt") def test_24_vary_rounds(self): """test 'vary_rounds' hash option parsing""" def parse(v): return CryptContext(all__vary_rounds=v).to_dict()['all__vary_rounds'] # floats should be preserved self.assertEqual(parse(0.1), 0.1) self.assertEqual(parse('0.1'), 0.1) # 'xx%' should be converted to float self.assertEqual(parse('10%'), 0.1) # ints should be preserved self.assertEqual(parse(1000), 1000) self.assertEqual(parse('1000'), 1000) #=================================================================== # inspection & serialization #=================================================================== def test_30_schemes(self): """test schemes() method""" # NOTE: also checked under test_21 # test empty ctx = CryptContext() self.assertEqual(ctx.schemes(), ()) self.assertEqual(ctx.schemes(resolve=True), ()) # test sample 1 ctx = CryptContext(**self.sample_1_dict) self.assertEqual(ctx.schemes(), tuple(self.sample_1_schemes)) self.assertEqual(ctx.schemes(resolve=True), tuple(self.sample_1_handlers)) # test sample 2 ctx = CryptContext(**self.sample_2_dict) self.assertEqual(ctx.schemes(), ()) def test_31_default_scheme(self): """test default_scheme() method""" # NOTE: also checked under test_23 # test empty ctx = CryptContext() self.assertRaises(KeyError, ctx.default_scheme) # test sample 1 ctx = CryptContext(**self.sample_1_dict) self.assertEqual(ctx.default_scheme(), "md5_crypt") self.assertEqual(ctx.default_scheme(resolve=True), hash.md5_crypt) # test sample 2 ctx = CryptContext(**self.sample_2_dict) self.assertRaises(KeyError, ctx.default_scheme) # test defaults to first in scheme ctx = CryptContext(schemes=self.sample_1_schemes) self.assertEqual(ctx.default_scheme(), "des_crypt") # categories tested under test_23 def test_32_handler(self): """test handler() method""" # default for empty ctx = CryptContext() self.assertRaises(KeyError, ctx.handler) self.assertRaises(KeyError, ctx.handler, "md5_crypt") # default for sample 1 ctx = CryptContext(**self.sample_1_dict) self.assertEqual(ctx.handler(), hash.md5_crypt) # by name self.assertEqual(ctx.handler("des_crypt"), hash.des_crypt) # name not in schemes self.assertRaises(KeyError, ctx.handler, "mysql323") # check handler() honors category default ctx = CryptContext("sha256_crypt,md5_crypt", admin__context__default="md5_crypt") self.assertEqual(ctx.handler(), hash.sha256_crypt) self.assertEqual(ctx.handler(category="staff"), hash.sha256_crypt) self.assertEqual(ctx.handler(category="admin"), hash.md5_crypt) # test unicode category strings are accepted under py2 if PY2: self.assertEqual(ctx.handler(category=u("staff")), hash.sha256_crypt) self.assertEqual(ctx.handler(category=u("admin")), hash.md5_crypt) def test_33_options(self): """test internal _get_record_options() method""" def options(ctx, scheme, category=None): return ctx._config._get_record_options_with_flag(scheme, category)[0] # this checks that (3 schemes, 3 categories) inherit options correctly. # the 'user' category is not present in the options. cc4 = CryptContext( schemes = [ "sha512_crypt", "des_crypt", "bsdi_crypt"], deprecated = ["sha512_crypt", "des_crypt"], all__vary_rounds = 0.1, bsdi_crypt__vary_rounds=0.2, sha512_crypt__max_rounds = 20000, admin__context__deprecated = [ "des_crypt", "bsdi_crypt" ], admin__all__vary_rounds = 0.05, admin__bsdi_crypt__vary_rounds=0.3, admin__sha512_crypt__max_rounds = 40000, ) self.assertEqual(cc4._config.categories, ("admin",)) # # sha512_crypt # self.assertEqual(options(cc4, "sha512_crypt"), dict( deprecated=True, vary_rounds=0.1, # inherited from all__ max_rounds=20000, )) self.assertEqual(options(cc4, "sha512_crypt", "user"), dict( deprecated=True, # unconfigured category inherits from default vary_rounds=0.1, max_rounds=20000, )) self.assertEqual(options(cc4, "sha512_crypt", "admin"), dict( # NOT deprecated - context option overridden per-category vary_rounds=0.05, # global overridden per-cateogry max_rounds=40000, # overridden per-category )) # # des_crypt # self.assertEqual(options(cc4, "des_crypt"), dict( deprecated=True, vary_rounds=0.1, )) self.assertEqual(options(cc4, "des_crypt", "user"), dict( deprecated=True, # unconfigured category inherits from default vary_rounds=0.1, )) self.assertEqual(options(cc4, "des_crypt", "admin"), dict( deprecated=True, # unchanged though overidden vary_rounds=0.05, # global overridden per-cateogry )) # # bsdi_crypt # self.assertEqual(options(cc4, "bsdi_crypt"), dict( vary_rounds=0.2, # overridden from all__vary_rounds )) self.assertEqual(options(cc4, "bsdi_crypt", "user"), dict( vary_rounds=0.2, # unconfigured category inherits from default )) self.assertEqual(options(cc4, "bsdi_crypt", "admin"), dict( vary_rounds=0.3, deprecated=True, # deprecation set per-category )) def test_34_to_dict(self): """test to_dict() method""" # NOTE: this is tested all throughout this test case. ctx = CryptContext(**self.sample_1_dict) self.assertEqual(ctx.to_dict(), self.sample_1_dict) self.assertEqual(ctx.to_dict(resolve=True), self.sample_1_resolved_dict) def test_35_to_string(self): """test to_string() method""" # create ctx and serialize ctx = CryptContext(**self.sample_1_dict) dump = ctx.to_string() # check ctx->string returns canonical format. # NOTE: ConfigParser for PY26 and earlier didn't use OrderedDict, # so to_string() won't get order correct. # so we skip this test. import sys if sys.version_info >= (2,7): self.assertEqual(dump, self.sample_1_unicode) # check ctx->string->ctx->dict returns original ctx2 = CryptContext.from_string(dump) self.assertEqual(ctx2.to_dict(), self.sample_1_dict) # test section kwd is honored other = ctx.to_string(section="password-security") self.assertEqual(other, dump.replace("[passlib]","[password-security]")) # test unmanaged handler warning from passlib.tests.test_utils_handlers import UnsaltedHash ctx3 = CryptContext([UnsaltedHash, "md5_crypt"]) dump = ctx3.to_string() self.assertRegex(dump, r"# NOTE: the 'unsalted_test_hash' handler\(s\)" r" are not registered with Passlib") #=================================================================== # password hash api #=================================================================== nonstring_vectors = [ (None, {}), (None, {"scheme": "des_crypt"}), (1, {}), ((), {}), ] def test_40_basic(self): """test basic encrypt/identify/verify functionality""" handlers = [hash.md5_crypt, hash.des_crypt, hash.bsdi_crypt] cc = CryptContext(handlers, bsdi_crypt__default_rounds=5) # run through handlers for crypt in handlers: h = cc.encrypt("test", scheme=crypt.name) self.assertEqual(cc.identify(h), crypt.name) self.assertEqual(cc.identify(h, resolve=True), crypt) self.assertTrue(cc.verify('test', h)) self.assertFalse(cc.verify('notest', h)) # test default h = cc.encrypt("test") self.assertEqual(cc.identify(h), "md5_crypt") # test genhash h = cc.genhash('secret', cc.genconfig()) self.assertEqual(cc.identify(h), 'md5_crypt') h = cc.genhash('secret', cc.genconfig(), scheme='md5_crypt') self.assertEqual(cc.identify(h), 'md5_crypt') self.assertRaises(ValueError, cc.genhash, 'secret', cc.genconfig(), scheme="des_crypt") def test_41_genconfig(self): """test genconfig() method""" cc = CryptContext(schemes=["md5_crypt", "phpass"], phpass__ident="H", phpass__default_rounds=7, admin__phpass__ident="P", ) # uses default scheme self.assertTrue(cc.genconfig().startswith("$1$")) # override scheme self.assertTrue(cc.genconfig(scheme="phpass").startswith("$H$5")) # category override self.assertTrue(cc.genconfig(scheme="phpass", category="admin").startswith("$P$5")) self.assertTrue(cc.genconfig(scheme="phpass", category="staff").startswith("$H$5")) # override scheme & custom settings self.assertEqual( cc.genconfig(scheme="phpass", salt='.'*8, rounds=8, ident='P'), '$P$6........', ) #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # test unicode category strings are accepted under py2 # this tests basic _get_record() used by encrypt/genhash/verify. # we have to omit scheme=xxx so codepath is tested fully if PY2: c2 = cc.copy(default="phpass") self.assertTrue(c2.genconfig(category=u("admin")).startswith("$P$5")) self.assertTrue(c2.genconfig(category=u("staff")).startswith("$H$5")) # throws error without schemes self.assertRaises(KeyError, CryptContext().genconfig) self.assertRaises(KeyError, CryptContext().genconfig, scheme='md5_crypt') # bad scheme values self.assertRaises(KeyError, cc.genconfig, scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.genconfig, scheme=1, category='staff') self.assertRaises(TypeError, cc.genconfig, scheme=1) # bad category values self.assertRaises(TypeError, cc.genconfig, category=1) def test_42_genhash(self): """test genhash() method""" #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # rejects non-string secrets cc = CryptContext(["des_crypt"]) hash = cc.encrypt('stub') for secret, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.genhash, secret, hash, **kwds) # rejects non-string hashes cc = CryptContext(["des_crypt"]) for hash, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.genhash, 'secret', hash, **kwds) # .. but should accept None if default scheme lacks config string cc = CryptContext(["mysql323"]) self.assertIsInstance(cc.genhash("stub", None), str) # throws error without schemes self.assertRaises(KeyError, CryptContext().genhash, 'secret', 'hash') # bad scheme values self.assertRaises(KeyError, cc.genhash, 'secret', hash, scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.genhash, 'secret', hash, scheme=1) # bad category values self.assertRaises(TypeError, cc.genconfig, 'secret', hash, category=1) def test_43_encrypt(self): """test encrypt() method""" cc = CryptContext(**self.sample_4_dict) # hash specific settings self.assertEqual( cc.encrypt("password", scheme="phpass", salt='.'*8), '$H$5........De04R5Egz0aq8Tf.1eVhY/', ) self.assertEqual( cc.encrypt("password", scheme="phpass", salt='.'*8, ident="P"), '$P$5........De04R5Egz0aq8Tf.1eVhY/', ) # NOTE: more thorough job of rounds limits done below. # min rounds with self.assertWarningList(PasslibConfigWarning): self.assertEqual( cc.encrypt("password", rounds=1999, salt="nacl"), '$5$rounds=2000$nacl$9/lTZ5nrfPuz8vphznnmHuDGFuvjSNvOEDsGmGfsS97', ) with self.assertWarningList([]): self.assertEqual( cc.encrypt("password", rounds=2001, salt="nacl"), '$5$rounds=2001$nacl$8PdeoPL4aXQnJ0woHhqgIw/efyfCKC2WHneOpnvF.31' ) # NOTE: max rounds, etc tested in genconfig() # make default > max throws error if attempted self.assertRaises(ValueError, cc.copy, sha256_crypt__default_rounds=4000) #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # rejects non-string secrets cc = CryptContext(["des_crypt"]) for secret, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.encrypt, secret, **kwds) # throws error without schemes self.assertRaises(KeyError, CryptContext().encrypt, 'secret') # bad scheme values self.assertRaises(KeyError, cc.encrypt, 'secret', scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.encrypt, 'secret', scheme=1) # bad category values self.assertRaises(TypeError, cc.encrypt, 'secret', category=1) def test_44_identify(self): """test identify() border cases""" handlers = ["md5_crypt", "des_crypt", "bsdi_crypt"] cc = CryptContext(handlers, bsdi_crypt__default_rounds=5) # check unknown hash self.assertEqual(cc.identify('$9$232323123$1287319827'), None) self.assertRaises(ValueError, cc.identify, '$9$232323123$1287319827', required=True) #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # rejects non-string hashes cc = CryptContext(["des_crypt"]) for hash, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.identify, hash, **kwds) # throws error without schemes cc = CryptContext() self.assertIs(cc.identify('hash'), None) self.assertRaises(KeyError, cc.identify, 'hash', required=True) # bad category values self.assertRaises(TypeError, cc.identify, None, category=1) def test_45_verify(self): """test verify() scheme kwd""" handlers = ["md5_crypt", "des_crypt", "bsdi_crypt"] cc = CryptContext(handlers, bsdi_crypt__default_rounds=5) h = hash.md5_crypt.encrypt("test") # check base verify self.assertTrue(cc.verify("test", h)) self.assertTrue(not cc.verify("notest", h)) # check verify using right alg self.assertTrue(cc.verify('test', h, scheme='md5_crypt')) self.assertTrue(not cc.verify('notest', h, scheme='md5_crypt')) # check verify using wrong alg self.assertRaises(ValueError, cc.verify, 'test', h, scheme='bsdi_crypt') #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # unknown hash should throw error self.assertRaises(ValueError, cc.verify, 'stub', '$6$232323123$1287319827') # rejects non-string secrets cc = CryptContext(["des_crypt"]) h = refhash = cc.encrypt('stub') for secret, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.verify, secret, h, **kwds) # rejects non-string hashes cc = CryptContext(["des_crypt"]) for h, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.verify, 'secret', h, **kwds) # throws error without schemes self.assertRaises(KeyError, CryptContext().verify, 'secret', 'hash') # bad scheme values self.assertRaises(KeyError, cc.verify, 'secret', refhash, scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.verify, 'secret', refhash, scheme=1) # bad category values self.assertRaises(TypeError, cc.verify, 'secret', refhash, category=1) def test_46_needs_update(self): """test needs_update() method""" cc = CryptContext(**self.sample_4_dict) # check deprecated scheme self.assertTrue(cc.needs_update('9XXD4trGYeGJA')) self.assertFalse(cc.needs_update('$1$J8HC2RCr$HcmM.7NxB2weSvlw2FgzU0')) # check min rounds self.assertTrue(cc.needs_update('$5$rounds=1999$jD81UCoo.zI.UETs$Y7qSTQ6mTiU9qZB4fRr43wRgQq4V.5AAf7F97Pzxey/')) self.assertFalse(cc.needs_update('$5$rounds=2000$228SSRje04cnNCaQ$YGV4RYu.5sNiBvorQDlO0WWQjyJVGKBcJXz3OtyQ2u8')) # check max rounds self.assertFalse(cc.needs_update('$5$rounds=3000$fS9iazEwTKi7QPW4$VasgBC8FqlOvD7x2HhABaMXCTh9jwHclPA9j5YQdns.')) self.assertTrue(cc.needs_update('$5$rounds=3001$QlFHHifXvpFX4PLs$/0ekt7lSs/lOikSerQ0M/1porEHxYq7W/2hdFpxA3fA')) #-------------------------------------------------------------- # test _bind_needs_update() framework #-------------------------------------------------------------- bind_state = [] check_state = [] class dummy(uh.StaticHandler): name = 'dummy' _hash_prefix = '@' @classmethod def _bind_needs_update(cls, **settings): bind_state.append(settings) return cls._needs_update @classmethod def _needs_update(cls, hash, secret): check_state.append((hash,secret)) return secret == "nu" def _calc_checksum(self, secret): from hashlib import md5 if isinstance(secret, unicode): secret = secret.encode("utf-8") return str_to_uascii(md5(secret).hexdigest()) # creating context should call bind function w/ settings ctx = CryptContext([dummy]) self.assertEqual(bind_state, [{}]) # calling needs_update should query callback hash = refhash = dummy.encrypt("test") self.assertFalse(ctx.needs_update(hash)) self.assertEqual(check_state, [(hash,None)]) del check_state[:] # now with a password self.assertFalse(ctx.needs_update(hash, secret='bob')) self.assertEqual(check_state, [(hash,'bob')]) del check_state[:] # now when it returns True self.assertTrue(ctx.needs_update(hash, secret='nu')) self.assertEqual(check_state, [(hash,'nu')]) del check_state[:] #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # rejects non-string hashes cc = CryptContext(["des_crypt"]) for hash, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.needs_update, hash, **kwds) # throws error without schemes self.assertRaises(KeyError, CryptContext().needs_update, 'hash') # bad scheme values self.assertRaises(KeyError, cc.needs_update, refhash, scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.needs_update, refhash, scheme=1) # bad category values self.assertRaises(TypeError, cc.needs_update, refhash, category=1) def test_47_verify_and_update(self): """test verify_and_update()""" cc = CryptContext(**self.sample_4_dict) # create some hashes h1 = cc.encrypt("password", scheme="des_crypt") h2 = cc.encrypt("password", scheme="sha256_crypt") # check bad password, deprecated hash ok, new_hash = cc.verify_and_update("wrongpass", h1) self.assertFalse(ok) self.assertIs(new_hash, None) # check bad password, good hash ok, new_hash = cc.verify_and_update("wrongpass", h2) self.assertFalse(ok) self.assertIs(new_hash, None) # check right password, deprecated hash ok, new_hash = cc.verify_and_update("password", h1) self.assertTrue(ok) self.assertTrue(cc.identify(new_hash), "sha256_crypt") # check right password, good hash ok, new_hash = cc.verify_and_update("password", h2) self.assertTrue(ok) self.assertIs(new_hash, None) #-------------------------------------------------------------- # border cases #-------------------------------------------------------------- # rejects non-string secrets cc = CryptContext(["des_crypt"]) hash = refhash = cc.encrypt('stub') for secret, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.verify_and_update, secret, hash, **kwds) # rejects non-string hashes cc = CryptContext(["des_crypt"]) for hash, kwds in self.nonstring_vectors: self.assertRaises(TypeError, cc.verify_and_update, 'secret', hash, **kwds) # throws error without schemes self.assertRaises(KeyError, CryptContext().verify_and_update, 'secret', 'hash') # bad scheme values self.assertRaises(KeyError, cc.verify_and_update, 'secret', refhash, scheme="fake") # XXX: should this be ValueError? self.assertRaises(TypeError, cc.verify_and_update, 'secret', refhash, scheme=1) # bad category values self.assertRaises(TypeError, cc.verify_and_update, 'secret', refhash, category=1) #=================================================================== # rounds options #=================================================================== # NOTE: the follow tests check how _CryptRecord handles # the min/max/default/vary_rounds options, via the output of # genconfig(). it's assumed encrypt() takes the same codepath. def test_50_rounds_limits(self): """test rounds limits""" cc = CryptContext(schemes=["sha256_crypt"], all__min_rounds=2000, all__max_rounds=3000, all__default_rounds=2500, ) #-------------------------------------------------- # min_rounds #-------------------------------------------------- # set below handler minimum with self.assertWarningList([PasslibConfigWarning]*2): c2 = cc.copy(all__min_rounds=500, all__max_rounds=None, all__default_rounds=500) self.assertEqual(c2.genconfig(salt="nacl"), "$5$rounds=1000$nacl$") # below policy minimum with self.assertWarningList(PasslibConfigWarning): self.assertEqual( cc.genconfig(rounds=1999, salt="nacl"), '$5$rounds=2000$nacl$', ) # equal to policy minimum self.assertEqual( cc.genconfig(rounds=2000, salt="nacl"), '$5$rounds=2000$nacl$', ) # above policy minimum self.assertEqual( cc.genconfig(rounds=2001, salt="nacl"), '$5$rounds=2001$nacl$' ) #-------------------------------------------------- # max rounds #-------------------------------------------------- # set above handler max with self.assertWarningList([PasslibConfigWarning]*2): c2 = cc.copy(all__max_rounds=int(1e9)+500, all__min_rounds=None, all__default_rounds=int(1e9)+500) self.assertEqual(c2.genconfig(salt="nacl"), "$5$rounds=999999999$nacl$") # above policy max with self.assertWarningList(PasslibConfigWarning): self.assertEqual( cc.genconfig(rounds=3001, salt="nacl"), '$5$rounds=3000$nacl$' ) # equal policy max self.assertEqual( cc.genconfig(rounds=3000, salt="nacl"), '$5$rounds=3000$nacl$' ) # below policy max self.assertEqual( cc.genconfig(rounds=2999, salt="nacl"), '$5$rounds=2999$nacl$', ) #-------------------------------------------------- # default_rounds #-------------------------------------------------- # explicit default rounds self.assertEqual(cc.genconfig(salt="nacl"), '$5$rounds=2500$nacl$') # fallback default rounds - use handler's df = hash.sha256_crypt.default_rounds c2 = cc.copy(all__default_rounds=None, all__max_rounds=df<<1) self.assertEqual(c2.genconfig(salt="nacl"), '$5$rounds=%d$nacl$' % df) # fallback default rounds - use handler's, but clipped to max rounds c2 = cc.copy(all__default_rounds=None, all__max_rounds=3000) self.assertEqual(c2.genconfig(salt="nacl"), '$5$rounds=3000$nacl$') # TODO: test default falls back to mx / mn if handler has no default. # default rounds - out of bounds self.assertRaises(ValueError, cc.copy, all__default_rounds=1999) cc.copy(all__default_rounds=2000) cc.copy(all__default_rounds=3000) self.assertRaises(ValueError, cc.copy, all__default_rounds=3001) #-------------------------------------------------- # border cases #-------------------------------------------------- # invalid min/max bounds c2 = CryptContext(schemes=["sha256_crypt"]) self.assertRaises(ValueError, c2.copy, all__min_rounds=-1) self.assertRaises(ValueError, c2.copy, all__max_rounds=-1) self.assertRaises(ValueError, c2.copy, all__min_rounds=2000, all__max_rounds=1999) # test bad values self.assertRaises(ValueError, CryptContext, all__min_rounds='x') self.assertRaises(ValueError, CryptContext, all__max_rounds='x') self.assertRaises(ValueError, CryptContext, all__vary_rounds='x') self.assertRaises(ValueError, CryptContext, all__default_rounds='x') # test bad types rejected bad = NotImplemented self.assertRaises(TypeError, CryptContext, "sha256_crypt", all__min_rounds=bad) self.assertRaises(TypeError, CryptContext, "sha256_crypt", all__max_rounds=bad) self.assertRaises(TypeError, CryptContext, "sha256_crypt", all__vary_rounds=bad) self.assertRaises(TypeError, CryptContext, "sha256_crypt", all__default_rounds=bad) def test_51_linear_vary_rounds(self): """test linear vary rounds""" cc = CryptContext(schemes=["sha256_crypt"], all__min_rounds=1995, all__max_rounds=2005, all__default_rounds=2000, ) # test negative self.assertRaises(ValueError, cc.copy, all__vary_rounds=-1) self.assertRaises(ValueError, cc.copy, all__vary_rounds="-1%") self.assertRaises(ValueError, cc.copy, all__vary_rounds="101%") # test static c2 = cc.copy(all__vary_rounds=0) self.assert_rounds_range(c2, "sha256_crypt", 2000, 2000) c2 = cc.copy(all__vary_rounds="0%") self.assert_rounds_range(c2, "sha256_crypt", 2000, 2000) # test absolute c2 = cc.copy(all__vary_rounds=1) self.assert_rounds_range(c2, "sha256_crypt", 1999, 2001) c2 = cc.copy(all__vary_rounds=100) self.assert_rounds_range(c2, "sha256_crypt", 1995, 2005) # test relative c2 = cc.copy(all__vary_rounds="0.1%") self.assert_rounds_range(c2, "sha256_crypt", 1998, 2002) c2 = cc.copy(all__vary_rounds="100%") self.assert_rounds_range(c2, "sha256_crypt", 1995, 2005) def test_52_log2_vary_rounds(self): """test log2 vary rounds""" cc = CryptContext(schemes=["bcrypt"], all__min_rounds=15, all__max_rounds=25, all__default_rounds=20, ) # test negative self.assertRaises(ValueError, cc.copy, all__vary_rounds=-1) self.assertRaises(ValueError, cc.copy, all__vary_rounds="-1%") self.assertRaises(ValueError, cc.copy, all__vary_rounds="101%") # test static c2 = cc.copy(all__vary_rounds=0) self.assert_rounds_range(c2, "bcrypt", 20, 20) c2 = cc.copy(all__vary_rounds="0%") self.assert_rounds_range(c2, "bcrypt", 20, 20) # test absolute c2 = cc.copy(all__vary_rounds=1) self.assert_rounds_range(c2, "bcrypt", 19, 21) c2 = cc.copy(all__vary_rounds=100) self.assert_rounds_range(c2, "bcrypt", 15, 25) # test relative - should shift over at 50% mark c2 = cc.copy(all__vary_rounds="1%") self.assert_rounds_range(c2, "bcrypt", 20, 20) c2 = cc.copy(all__vary_rounds="49%") self.assert_rounds_range(c2, "bcrypt", 20, 20) c2 = cc.copy(all__vary_rounds="50%") self.assert_rounds_range(c2, "bcrypt", 19, 20) c2 = cc.copy(all__vary_rounds="100%") self.assert_rounds_range(c2, "bcrypt", 15, 21) def assert_rounds_range(self, context, scheme, lower, upper): """helper to check vary_rounds covers specified range""" # NOTE: this runs enough times the min and max *should* be hit, # though there's a faint chance it will randomly fail. handler = context.handler(scheme) salt = handler.default_salt_chars[0:1] * handler.max_salt_size seen = set() for i in irange(300): h = context.genconfig(scheme, salt=salt) r = handler.from_string(h).rounds seen.add(r) self.assertEqual(min(seen), lower, "vary_rounds had wrong lower limit:") self.assertEqual(max(seen), upper, "vary_rounds had wrong upper limit:") #=================================================================== # feature tests #=================================================================== def test_60_min_verify_time(self): """test verify() honors min_verify_time""" delta = .05 if TICK_RESOLUTION >= delta/10: raise self.skipTest("timer not accurate enough") min_delay = 2*delta min_verify_time = 5*delta max_delay = 8*delta class TimedHash(uh.StaticHandler): """psuedo hash that takes specified amount of time""" name = "timed_hash" delay = 0 @classmethod def identify(cls, hash): return True def _calc_checksum(self, secret): quicksleep(self.delay) return to_unicode(secret + 'x') # check mvt issues a warning, and then filter for remainder of test with self.assertWarningList(["'min_verify_time' is deprecated"]*2): cc = CryptContext([TimedHash], min_verify_time=min_verify_time, admin__context__min_verify_time=min_verify_time*2) warnings.filterwarnings("ignore", "'min_verify_time' is deprecated") def timecall(func, *args, **kwds): start = tick() result = func(*args, **kwds) return tick()-start, result # verify genhash delay works TimedHash.delay = min_delay elapsed, result = timecall(TimedHash.genhash, 'stub', None) self.assertEqual(result, 'stubx') self.assertAlmostEqual(elapsed, min_delay, delta=delta) # ensure min verify time is honored # correct password elapsed, result = timecall(cc.verify, "stub", "stubx") self.assertTrue(result) self.assertAlmostEqual(elapsed, min_delay, delta=delta) # incorrect password elapsed, result = timecall(cc.verify, "blob", "stubx") self.assertFalse(result) self.assertAlmostEqual(elapsed, min_verify_time, delta=delta) # incorrect password w/ special category setting elapsed, result = timecall(cc.verify, "blob", "stubx", category="admin") self.assertFalse(result) self.assertAlmostEqual(elapsed, min_verify_time*2, delta=delta) # ensure taking longer emits a warning. TimedHash.delay = max_delay with self.assertWarningList(".*verify exceeded min_verify_time"): elapsed, result = timecall(cc.verify, "blob", "stubx") self.assertFalse(result) self.assertAlmostEqual(elapsed, max_delay, delta=delta) # reject values < 0 self.assertRaises(ValueError, CryptContext, min_verify_time=-1) def test_61_autodeprecate(self): """test deprecated='auto' is handled correctly""" def getstate(ctx, category=None): return [ctx._is_deprecated_scheme(scheme, category) for scheme in ctx.schemes()] # correctly reports default ctx = CryptContext("sha256_crypt,md5_crypt,des_crypt", deprecated="auto") self.assertEqual(getstate(ctx, None), [False, True, True]) self.assertEqual(getstate(ctx, "admin"), [False, True, True]) # correctly reports changed default ctx.update(default="md5_crypt") self.assertEqual(getstate(ctx, None), [True, False, True]) self.assertEqual(getstate(ctx, "admin"), [True, False, True]) # category default is handled correctly ctx.update(admin__context__default="des_crypt") self.assertEqual(getstate(ctx, None), [True, False, True]) self.assertEqual(getstate(ctx, "admin"), [True, True, False]) # handles 1 scheme ctx = CryptContext(["sha256_crypt"], deprecated="auto") self.assertEqual(getstate(ctx, None), [False]) self.assertEqual(getstate(ctx, "admin"), [False]) # disallow auto & other deprecated schemes at same time. self.assertRaises(ValueError, CryptContext, "sha256_crypt,md5_crypt", deprecated="auto,md5_crypt") self.assertRaises(ValueError, CryptContext, "sha256_crypt,md5_crypt", deprecated="md5_crypt,auto") #=================================================================== # handler deprecation detectors #=================================================================== def test_62_bcrypt_update(self): """test verify_and_update / needs_update corrects bcrypt padding""" # see issue 25. bcrypt = hash.bcrypt PASS1 = "test" BAD1 = "$2a$04$yjDgE74RJkeqC0/1NheSScrvKeu9IbKDpcQf/Ox3qsrRS/Kw42qIS" GOOD1 = "$2a$04$yjDgE74RJkeqC0/1NheSSOrvKeu9IbKDpcQf/Ox3qsrRS/Kw42qIS" ctx = CryptContext(["bcrypt"], bcrypt__rounds=4) self.assertTrue(ctx.needs_update(BAD1)) self.assertFalse(ctx.needs_update(GOOD1)) if bcrypt.has_backend(): self.assertEqual(ctx.verify_and_update(PASS1,GOOD1), (True,None)) with self.assertWarningList(["incorrect.*padding bits"]*2): self.assertEqual(ctx.verify_and_update("x",BAD1), (False,None)) ok, new_hash = ctx.verify_and_update(PASS1, BAD1) self.assertTrue(ok) self.assertTrue(new_hash and new_hash != BAD1) def test_63_bsdi_crypt_update(self): """test verify_and_update / needs_update corrects bsdi even rounds""" even_hash = '_Y/../cG0zkJa6LY6k4c' odd_hash = '_Z/..TgFg0/ptQtpAgws' secret = 'test' ctx = CryptContext(['bsdi_crypt'], bsdi_crypt__min_rounds=5) self.assertTrue(ctx.needs_update(even_hash)) self.assertFalse(ctx.needs_update(odd_hash)) self.assertEqual(ctx.verify_and_update(secret, odd_hash), (True,None)) self.assertEqual(ctx.verify_and_update("x", even_hash), (False,None)) ok, new_hash = ctx.verify_and_update(secret, even_hash) self.assertTrue(ok) self.assertTrue(new_hash and new_hash != even_hash) #=================================================================== # eoc #=================================================================== #============================================================================= # LazyCryptContext #============================================================================= class dummy_2(uh.StaticHandler): name = "dummy_2" class LazyCryptContextTest(TestCase): descriptionPrefix = "LazyCryptContext" def setUp(self): # make sure this isn't registered before OR after unload_handler_name("dummy_2") self.addCleanup(unload_handler_name, "dummy_2") def test_kwd_constructor(self): """test plain kwds""" self.assertFalse(has_crypt_handler("dummy_2")) register_crypt_handler_path("dummy_2", "passlib.tests.test_context") cc = LazyCryptContext(iter(["dummy_2", "des_crypt"]), deprecated=["des_crypt"]) self.assertFalse(has_crypt_handler("dummy_2", True)) self.assertEqual(cc.schemes(), ("dummy_2", "des_crypt")) self.assertTrue(cc._is_deprecated_scheme("des_crypt")) self.assertTrue(has_crypt_handler("dummy_2", True)) def test_callable_constructor(self): self.assertFalse(has_crypt_handler("dummy_2")) register_crypt_handler_path("dummy_2", "passlib.tests.test_context") def onload(flag=False): self.assertTrue(flag) return dict(schemes=iter(["dummy_2", "des_crypt"]), deprecated=["des_crypt"]) cc = LazyCryptContext(onload=onload, flag=True) self.assertFalse(has_crypt_handler("dummy_2", True)) self.assertEqual(cc.schemes(), ("dummy_2", "des_crypt")) self.assertTrue(cc._is_deprecated_scheme("des_crypt")) self.assertTrue(has_crypt_handler("dummy_2", True)) #============================================================================= # eof #=============================================================================