/usr/lib/python3/dist-packages/passlib/tests/test_context.py is in python3-passlib 1.5.3-0ubuntu1.
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#=========================================================
#imports
#=========================================================
#core
import hashlib
from logging import getLogger
import os
import time
import warnings
import sys
#site
try:
from pkg_resources import resource_filename
except ImportError:
resource_filename = None
#pkg
from passlib import hash
from passlib.context import CryptContext, CryptPolicy, LazyCryptContext
from passlib.utils import to_bytes, to_unicode
import passlib.utils.handlers as uh
from passlib.tests.utils import TestCase, mktemp, catch_warnings, \
gae_env, set_file
from passlib.registry import register_crypt_handler_path, has_crypt_handler, \
_unload_handler_name as unload_handler_name
#module
log = getLogger(__name__)
#=========================================================
#
#=========================================================
class CryptPolicyTest(TestCase):
"test CryptPolicy object"
#TODO: need to test user categories w/in all this
case_prefix = "CryptPolicy"
#=========================================================
#sample crypt policies used for testing
#=========================================================
#-----------------------------------------------------
#sample 1 - average config file
#-----------------------------------------------------
#NOTE: copy of this is stored in file passlib/tests/sample_config_1s.cfg
sample_config_1s = """\
[passlib]
schemes = des_crypt, md5_crypt, bsdi_crypt, sha512_crypt
default = md5_crypt
all.vary_rounds = 10%%
bsdi_crypt.max_rounds = 30000
bsdi_crypt.default_rounds = 25000
sha512_crypt.max_rounds = 50000
sha512_crypt.min_rounds = 40000
"""
sample_config_1s_path = os.path.abspath(os.path.join(
os.path.dirname(__file__), "sample_config_1s.cfg"))
if not os.path.exists(sample_config_1s_path) and resource_filename:
#in case we're zipped up in an egg.
sample_config_1s_path = resource_filename("passlib.tests",
"sample_config_1s.cfg")
#make sure sample_config_1s uses \n linesep - tests rely on this
assert sample_config_1s.startswith("[passlib]\nschemes")
sample_config_1pd = dict(
schemes = [ "des_crypt", "md5_crypt", "bsdi_crypt", "sha512_crypt"],
default = "md5_crypt",
all__vary_rounds = "10%",
bsdi_crypt__max_rounds = 30000,
bsdi_crypt__default_rounds = 25000,
sha512_crypt__max_rounds = 50000,
sha512_crypt__min_rounds = 40000,
)
sample_config_1pid = {
"schemes": "des_crypt, md5_crypt, bsdi_crypt, sha512_crypt",
"default": "md5_crypt",
"all.vary_rounds": "10%",
"bsdi_crypt.max_rounds": 30000,
"bsdi_crypt.default_rounds": 25000,
"sha512_crypt.max_rounds": 50000,
"sha512_crypt.min_rounds": 40000,
}
sample_config_1prd = dict(
schemes = [ hash.des_crypt, hash.md5_crypt, hash.bsdi_crypt, hash.sha512_crypt],
default = hash.md5_crypt,
all__vary_rounds = "10%",
bsdi_crypt__max_rounds = 30000,
bsdi_crypt__default_rounds = 25000,
sha512_crypt__max_rounds = 50000,
sha512_crypt__min_rounds = 40000,
)
#-----------------------------------------------------
#sample 2 - partial policy & result of overlay on sample 1
#-----------------------------------------------------
sample_config_2s = """\
[passlib]
bsdi_crypt.min_rounds = 29000
bsdi_crypt.max_rounds = 35000
bsdi_crypt.default_rounds = 31000
sha512_crypt.min_rounds = 45000
"""
sample_config_2pd = 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_config_12pd = dict(
schemes = [ "des_crypt", "md5_crypt", "bsdi_crypt", "sha512_crypt"],
default = "md5_crypt",
all__vary_rounds = "10%",
bsdi_crypt__min_rounds = 29000,
bsdi_crypt__max_rounds = 35000,
bsdi_crypt__default_rounds = 31000,
sha512_crypt__max_rounds = 50000,
sha512_crypt__min_rounds=45000,
)
#-----------------------------------------------------
#sample 3 - just changing default
#-----------------------------------------------------
sample_config_3pd = dict(
default="sha512_crypt",
)
sample_config_123pd = dict(
schemes = [ "des_crypt", "md5_crypt", "bsdi_crypt", "sha512_crypt"],
default = "sha512_crypt",
all__vary_rounds = "10%",
bsdi_crypt__min_rounds = 29000,
bsdi_crypt__max_rounds = 35000,
bsdi_crypt__default_rounds = 31000,
sha512_crypt__max_rounds = 50000,
sha512_crypt__min_rounds=45000,
)
#-----------------------------------------------------
#sample 4 - category specific
#-----------------------------------------------------
sample_config_4s = """
[passlib]
schemes = sha512_crypt
all.vary_rounds = 10%%
default.sha512_crypt.max_rounds = 20000
admin.all.vary_rounds = 5%%
admin.sha512_crypt.max_rounds = 40000
"""
sample_config_4pd = dict(
schemes = [ "sha512_crypt" ],
all__vary_rounds = "10%",
sha512_crypt__max_rounds = 20000,
admin__all__vary_rounds = "5%",
admin__sha512_crypt__max_rounds = 40000,
)
#-----------------------------------------------------
#sample 5 - to_string & deprecation testing
#-----------------------------------------------------
sample_config_5s = sample_config_1s + """\
deprecated = des_crypt
admin__context__deprecated = des_crypt, bsdi_crypt
"""
sample_config_5pd = sample_config_1pd.copy()
sample_config_5pd.update(
deprecated = [ "des_crypt" ],
admin__context__deprecated = [ "des_crypt", "bsdi_crypt" ],
)
sample_config_5pid = sample_config_1pid.copy()
sample_config_5pid.update({
"deprecated": "des_crypt",
"admin.context.deprecated": "des_crypt, bsdi_crypt",
})
sample_config_5prd = sample_config_1prd.copy()
sample_config_5prd.update({
# XXX: should deprecated return the actual handlers in this case?
# would have to modify how policy stores info, for one.
"deprecated": ["des_crypt"],
"admin__context__deprecated": ["des_crypt", "bsdi_crypt"],
})
#=========================================================
#constructors
#=========================================================
def test_00_constructor(self):
"test CryptPolicy() constructor"
policy = CryptPolicy(**self.sample_config_1pd)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#check with bad key
self.assertRaises(KeyError, CryptPolicy,
schemes = [ "des_crypt", "md5_crypt", "bsdi_crypt", "sha512_crypt"],
bad__key__bsdi_crypt__max_rounds = 30000,
)
#check with bad handler
self.assertRaises(TypeError, CryptPolicy, schemes=[uh.StaticHandler])
#check with multiple handlers
class dummy_1(uh.StaticHandler):
name = 'dummy_1'
self.assertRaises(KeyError, CryptPolicy, schemes=[dummy_1, dummy_1])
#with unknown deprecated value
self.assertRaises(KeyError, CryptPolicy,
schemes=['des_crypt'],
deprecated=['md5_crypt'])
#with unknown default value
self.assertRaises(KeyError, CryptPolicy,
schemes=['des_crypt'],
default='md5_crypt')
def test_01_from_path_simple(self):
"test CryptPolicy.from_path() constructor"
#NOTE: this is separate so it can also run under GAE
#test preset stored in existing file
path = self.sample_config_1s_path
policy = CryptPolicy.from_path(path)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test if path missing
self.assertRaises(EnvironmentError, CryptPolicy.from_path, path + 'xxx')
def test_01_from_path(self):
"test CryptPolicy.from_path() constructor with encodings"
if gae_env:
return self.skipTest("GAE doesn't offer read/write filesystem access")
path = mktemp()
#test "\n" linesep
set_file(path, self.sample_config_1s)
policy = CryptPolicy.from_path(path)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test "\r\n" linesep
set_file(path, self.sample_config_1s.replace("\n","\r\n"))
policy = CryptPolicy.from_path(path)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test with custom encoding
uc2 = to_bytes(self.sample_config_1s, "utf-16", source_encoding="utf-8")
set_file(path, uc2)
policy = CryptPolicy.from_path(path, encoding="utf-16")
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
def test_02_from_string(self):
"test CryptPolicy.from_string() constructor"
#test "\n" linesep
policy = CryptPolicy.from_string(self.sample_config_1s)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test "\r\n" linesep
policy = CryptPolicy.from_string(
self.sample_config_1s.replace("\n","\r\n"))
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test with unicode
data = to_unicode(self.sample_config_1s)
policy = CryptPolicy.from_string(data)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test with non-ascii-compatible encoding
uc2 = to_bytes(self.sample_config_1s, "utf-16", source_encoding="utf-8")
policy = CryptPolicy.from_string(uc2, encoding="utf-16")
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#test category specific options
policy = CryptPolicy.from_string(self.sample_config_4s)
self.assertEqual(policy.to_dict(), self.sample_config_4pd)
def test_03_from_source(self):
"test CryptPolicy.from_source() constructor"
#pass it a path
policy = CryptPolicy.from_source(self.sample_config_1s_path)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#pass it a string
policy = CryptPolicy.from_source(self.sample_config_1s)
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#pass it a dict (NOTE: make a copy to detect in-place modifications)
policy = CryptPolicy.from_source(self.sample_config_1pd.copy())
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#pass it existing policy
p2 = CryptPolicy.from_source(policy)
self.assertIs(policy, p2)
#pass it something wrong
self.assertRaises(TypeError, CryptPolicy.from_source, 1)
self.assertRaises(TypeError, CryptPolicy.from_source, [])
def test_04_from_sources(self):
"test CryptPolicy.from_sources() constructor"
#pass it empty list
self.assertRaises(ValueError, CryptPolicy.from_sources, [])
#pass it one-element list
policy = CryptPolicy.from_sources([self.sample_config_1s])
self.assertEqual(policy.to_dict(), self.sample_config_1pd)
#pass multiple sources
policy = CryptPolicy.from_sources(
[
self.sample_config_1s_path,
self.sample_config_2s,
self.sample_config_3pd,
])
self.assertEqual(policy.to_dict(), self.sample_config_123pd)
def test_05_replace(self):
"test CryptPolicy.replace() constructor"
p1 = CryptPolicy(**self.sample_config_1pd)
#check overlaying sample 2
p2 = p1.replace(**self.sample_config_2pd)
self.assertEqual(p2.to_dict(), self.sample_config_12pd)
#check repeating overlay makes no change
p2b = p2.replace(**self.sample_config_2pd)
self.assertEqual(p2b.to_dict(), self.sample_config_12pd)
#check overlaying sample 3
p3 = p2.replace(self.sample_config_3pd)
self.assertEqual(p3.to_dict(), self.sample_config_123pd)
def test_06_forbidden(self):
"test CryptPolicy() forbidden kwds"
#salt not allowed to be set
self.assertRaises(KeyError, CryptPolicy,
schemes=["des_crypt"],
des_crypt__salt="xx",
)
self.assertRaises(KeyError, CryptPolicy,
schemes=["des_crypt"],
all__salt="xx",
)
#schemes not allowed for category
self.assertRaises(KeyError, CryptPolicy,
schemes=["des_crypt"],
user__context__schemes=["md5_crypt"],
)
#=========================================================
#reading
#=========================================================
def test_10_has_schemes(self):
"test has_schemes() method"
p1 = CryptPolicy(**self.sample_config_1pd)
self.assertTrue(p1.has_schemes())
p3 = CryptPolicy(**self.sample_config_3pd)
self.assertTrue(not p3.has_schemes())
def test_11_iter_handlers(self):
"test iter_handlers() method"
p1 = CryptPolicy(**self.sample_config_1pd)
s = self.sample_config_1prd['schemes']
self.assertEqual(list(p1.iter_handlers()), s)
p3 = CryptPolicy(**self.sample_config_3pd)
self.assertEqual(list(p3.iter_handlers()), [])
def test_12_get_handler(self):
"test get_handler() method"
p1 = CryptPolicy(**self.sample_config_1pd)
#check by name
self.assertIs(p1.get_handler("bsdi_crypt"), hash.bsdi_crypt)
#check by missing name
self.assertIs(p1.get_handler("sha256_crypt"), None)
self.assertRaises(KeyError, p1.get_handler, "sha256_crypt", required=True)
#check default
self.assertIs(p1.get_handler(), hash.md5_crypt)
def test_13_get_options(self):
"test get_options() method"
p12 = CryptPolicy(**self.sample_config_12pd)
self.assertEqual(p12.get_options("bsdi_crypt"),dict(
vary_rounds = "10%",
min_rounds = 29000,
max_rounds = 35000,
default_rounds = 31000,
))
self.assertEqual(p12.get_options("sha512_crypt"),dict(
vary_rounds = "10%",
min_rounds = 45000,
max_rounds = 50000,
))
p4 = CryptPolicy.from_string(self.sample_config_4s)
self.assertEqual(p4.get_options("sha512_crypt"), dict(
vary_rounds="10%",
max_rounds=20000,
))
self.assertEqual(p4.get_options("sha512_crypt", "user"), dict(
vary_rounds="10%",
max_rounds=20000,
))
self.assertEqual(p4.get_options("sha512_crypt", "admin"), dict(
vary_rounds="5%",
max_rounds=40000,
))
def test_14_handler_is_deprecated(self):
"test handler_is_deprecated() method"
pa = CryptPolicy(**self.sample_config_1pd)
pb = CryptPolicy(**self.sample_config_5pd)
self.assertFalse(pa.handler_is_deprecated("des_crypt"))
self.assertFalse(pa.handler_is_deprecated(hash.bsdi_crypt))
self.assertFalse(pa.handler_is_deprecated("sha512_crypt"))
self.assertTrue(pb.handler_is_deprecated("des_crypt"))
self.assertFalse(pb.handler_is_deprecated(hash.bsdi_crypt))
self.assertFalse(pb.handler_is_deprecated("sha512_crypt"))
#check categories as well
self.assertTrue(pb.handler_is_deprecated("des_crypt", "user"))
self.assertFalse(pb.handler_is_deprecated("bsdi_crypt", "user"))
self.assertTrue(pb.handler_is_deprecated("des_crypt", "admin"))
self.assertTrue(pb.handler_is_deprecated("bsdi_crypt", "admin"))
def test_15_min_verify_time(self):
pa = CryptPolicy()
self.assertEqual(pa.get_min_verify_time(), 0)
self.assertEqual(pa.get_min_verify_time('admin'), 0)
pb = pa.replace(min_verify_time=.1)
self.assertEqual(pb.get_min_verify_time(), .1)
self.assertEqual(pb.get_min_verify_time('admin'), .1)
pc = pa.replace(admin__context__min_verify_time=.2)
self.assertEqual(pc.get_min_verify_time(), 0)
self.assertEqual(pc.get_min_verify_time('admin'), .2)
pd = pb.replace(admin__context__min_verify_time=.2)
self.assertEqual(pd.get_min_verify_time(), .1)
self.assertEqual(pd.get_min_verify_time('admin'), .2)
#TODO: test this.
##def test_gen_min_verify_time(self):
## "test get_min_verify_time() method"
#=========================================================
#serialization
#=========================================================
def test_20_iter_config(self):
"test iter_config() method"
p5 = CryptPolicy(**self.sample_config_5pd)
self.assertEqual(dict(p5.iter_config()), self.sample_config_5pd)
self.assertEqual(dict(p5.iter_config(resolve=True)), self.sample_config_5prd)
self.assertEqual(dict(p5.iter_config(ini=True)), self.sample_config_5pid)
def test_21_to_dict(self):
"test to_dict() method"
p5 = CryptPolicy(**self.sample_config_5pd)
self.assertEqual(p5.to_dict(), self.sample_config_5pd)
self.assertEqual(p5.to_dict(resolve=True), self.sample_config_5prd)
def test_22_to_string(self):
"test to_string() method"
pa = CryptPolicy(**self.sample_config_5pd)
s = pa.to_string() #NOTE: can't compare string directly, ordering etc may not match
pb = CryptPolicy.from_string(s)
self.assertEqual(pb.to_dict(), self.sample_config_5pd)
#=========================================================
#
#=========================================================
#=========================================================
#CryptContext
#=========================================================
class CryptContextTest(TestCase):
"test CryptContext object's behavior"
case_prefix = "CryptContext"
#=========================================================
#constructor
#=========================================================
def test_00_constructor(self):
"test constructor"
#create crypt context using handlers
cc = CryptContext([hash.md5_crypt, hash.bsdi_crypt, hash.des_crypt])
c,b,a = cc.policy.iter_handlers()
self.assertIs(a, hash.des_crypt)
self.assertIs(b, hash.bsdi_crypt)
self.assertIs(c, hash.md5_crypt)
#create context using names
cc = CryptContext(["md5_crypt", "bsdi_crypt", "des_crypt"])
c,b,a = cc.policy.iter_handlers()
self.assertIs(a, hash.des_crypt)
self.assertIs(b, hash.bsdi_crypt)
self.assertIs(c, hash.md5_crypt)
#TODO: test policy & other options
def test_01_replace(self):
"test replace()"
cc = CryptContext(["md5_crypt", "bsdi_crypt", "des_crypt"])
self.assertIs(cc.policy.get_handler(), hash.md5_crypt)
cc2 = cc.replace()
self.assertIsNot(cc2, cc)
self.assertIs(cc2.policy, cc.policy)
cc3 = cc.replace(default="bsdi_crypt")
self.assertIsNot(cc3, cc)
self.assertIsNot(cc3.policy, cc.policy)
self.assertIs(cc3.policy.get_handler(), hash.bsdi_crypt)
def test_02_no_handlers(self):
"test no handlers"
#check constructor...
cc = CryptContext()
self.assertRaises(KeyError, cc.identify, 'hash', required=True)
self.assertRaises(KeyError, cc.encrypt, 'secret')
self.assertRaises(KeyError, cc.verify, 'secret', 'hash')
#check updating policy after the fact...
cc = CryptContext(['md5_crypt'])
p = CryptPolicy(schemes=[])
cc.policy = p
self.assertRaises(KeyError, cc.identify, 'hash', required=True)
self.assertRaises(KeyError, cc.encrypt, 'secret')
self.assertRaises(KeyError, cc.verify, 'secret', 'hash')
#=========================================================
#policy adaptation
#=========================================================
sample_policy_1 = dict(
schemes = [ "des_crypt", "md5_crypt", "nthash", "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,
nthash__ident = "NT",
)
def test_10_genconfig_settings(self):
"test genconfig() honors policy settings"
cc = CryptContext(policy=None, **self.sample_policy_1)
# hash specific settings
self.assertEqual(
cc.genconfig(scheme="nthash"),
'$NT$00000000000000000000000000000000',
)
self.assertEqual(
cc.genconfig(scheme="nthash", ident="3"),
'$3$$00000000000000000000000000000000',
)
# min rounds
self.assertEqual(
cc.genconfig(rounds=1999, salt="nacl"),
'$5$rounds=2000$nacl$',
)
self.assertEqual(
cc.genconfig(rounds=2001, salt="nacl"),
'$5$rounds=2001$nacl$'
)
#max rounds
self.assertEqual(
cc.genconfig(rounds=2999, salt="nacl"),
'$5$rounds=2999$nacl$',
)
self.assertEqual(
cc.genconfig(rounds=3001, salt="nacl"),
'$5$rounds=3000$nacl$'
)
#default rounds - specified
self.assertEqual(
cc.genconfig(scheme="bsdi_crypt", salt="nacl"),
'_N...nacl',
)
#default rounds - fall back to max rounds
self.assertEqual(
cc.genconfig(salt="nacl"),
'$5$rounds=3000$nacl$',
)
#default rounds - out of bounds
cc2 = CryptContext(policy=cc.policy.replace(
bsdi_crypt__default_rounds=35))
self.assertEqual(
cc2.genconfig(scheme="bsdi_crypt", salt="nacl"),
'_S...nacl',
)
# default+vary rounds
# this runs enough times the min and max *should* be hit,
# though there's a faint chance it will randomly fail.
from passlib.hash import bsdi_crypt as bc
cc3 = CryptContext(policy=cc.policy.replace(
bsdi_crypt__vary_rounds = 3))
seen = set()
for i in range(3*2*50):
h = cc3.genconfig("bsdi_crypt", salt="nacl")
r = bc.from_string(h).rounds
seen.add(r)
self.assertTrue(min(seen)==22)
self.assertTrue(max(seen)==28)
# default+vary % rounds
# this runs enough times the min and max *should* be hit,
# though there's a faint chance it will randomly fail.
from passlib.hash import sha256_crypt as sc
cc4 = CryptContext(policy=cc.policy.replace(
all__vary_rounds = "1%"))
seen = set()
for i in range(30*50):
h = cc4.genconfig(salt="nacl")
r = sc.from_string(h).rounds
seen.add(r)
self.assertTrue(min(seen)==2970)
self.assertTrue(max(seen)==3000) #NOTE: would be 3030, but clipped by max_rounds
def test_11_encrypt_settings(self):
"test encrypt() honors policy settings"
cc = CryptContext(**self.sample_policy_1)
# hash specific settings
self.assertEqual(
cc.encrypt("password", scheme="nthash"),
'$NT$8846f7eaee8fb117ad06bdd830b7586c',
)
self.assertEqual(
cc.encrypt("password", scheme="nthash", ident="3"),
'$3$$8846f7eaee8fb117ad06bdd830b7586c',
)
# min rounds
self.assertEqual(
cc.encrypt("password", rounds=1999, salt="nacl"),
'$5$rounds=2000$nacl$9/lTZ5nrfPuz8vphznnmHuDGFuvjSNvOEDsGmGfsS97',
)
self.assertEqual(
cc.encrypt("password", rounds=2001, salt="nacl"),
'$5$rounds=2001$nacl$8PdeoPL4aXQnJ0woHhqgIw/efyfCKC2WHneOpnvF.31'
)
#TODO:
# max rounds
# default rounds
# falls back to max, then min.
# specified
# outside of min/max range
# default+vary rounds
# default+vary % rounds
#make sure default > max doesn't cause error when vary is set
cc2 = cc.replace(sha256_crypt__default_rounds=4000)
with catch_warnings():
warnings.filterwarnings("ignore", "vary default rounds: lower bound > upper bound.*", UserWarning)
self.assertEqual(
cc2.encrypt("password", salt="nacl"),
'$5$rounds=3000$nacl$oH831OVMbkl.Lbw1SXflly4dW8L3mSxpxDz1u1CK/B0',
)
def test_12_hash_needs_update(self):
"test hash_needs_update() method"
cc = CryptContext(**self.sample_policy_1)
#check deprecated scheme
self.assertTrue(cc.hash_needs_update('9XXD4trGYeGJA'))
self.assertTrue(not cc.hash_needs_update('$1$J8HC2RCr$HcmM.7NxB2weSvlw2FgzU0'))
#check min rounds
self.assertTrue(cc.hash_needs_update('$5$rounds=1999$jD81UCoo.zI.UETs$Y7qSTQ6mTiU9qZB4fRr43wRgQq4V.5AAf7F97Pzxey/'))
self.assertTrue(not cc.hash_needs_update('$5$rounds=2000$228SSRje04cnNCaQ$YGV4RYu.5sNiBvorQDlO0WWQjyJVGKBcJXz3OtyQ2u8'))
#check max rounds
self.assertTrue(not cc.hash_needs_update('$5$rounds=3000$fS9iazEwTKi7QPW4$VasgBC8FqlOvD7x2HhABaMXCTh9jwHclPA9j5YQdns.'))
self.assertTrue(cc.hash_needs_update('$5$rounds=3001$QlFHHifXvpFX4PLs$/0ekt7lSs/lOikSerQ0M/1porEHxYq7W/2hdFpxA3fA'))
#=========================================================
#identify
#=========================================================
def test_20_basic(self):
"test basic encrypt/identify/verify functionality"
handlers = [hash.md5_crypt, hash.des_crypt, hash.bsdi_crypt]
cc = CryptContext(handlers, policy=None)
#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.assertTrue(not 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_21_identify(self):
"test identify() border cases"
handlers = ["md5_crypt", "des_crypt", "bsdi_crypt"]
cc = CryptContext(handlers, policy=None)
#check unknown hash
self.assertEqual(cc.identify('$9$232323123$1287319827'), None)
self.assertRaises(ValueError, cc.identify, '$9$232323123$1287319827', required=True)
#make sure "None" is accepted
self.assertEqual(cc.identify(None), None)
self.assertRaises(ValueError, cc.identify, None, required=True)
def test_22_verify(self):
"test verify() scheme kwd"
handlers = ["md5_crypt", "des_crypt", "bsdi_crypt"]
cc = CryptContext(handlers, policy=None)
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')
def test_23_verify_empty_hash(self):
"test verify() allows hash=None"
handlers = [hash.md5_crypt, hash.des_crypt, hash.bsdi_crypt]
cc = CryptContext(handlers, policy=None)
self.assertTrue(not cc.verify("test", None))
for handler in handlers:
self.assertTrue(not cc.verify("test", None, scheme=handler.name))
def test_24_min_verify_time(self):
"test verify() honors min_verify_time"
#NOTE: this whole test assumes time.sleep() and time.time()
# have at least 1ms accuracy
delta = .1
min_delay = delta
min_verify_time = min_delay + 2*delta
max_delay = min_verify_time + 2*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
@classmethod
def genhash(cls, secret, hash):
time.sleep(cls.delay)
return hash or 'x'
cc = CryptContext([TimedHash], min_verify_time=min_verify_time)
def timecall(func, *args, **kwds):
start = time.time()
result = func(*args, **kwds)
end = time.time()
return end-start, result
#verify hashing works
TimedHash.delay = min_delay
elapsed, _ = timecall(TimedHash.genhash, 'stub', 'stub')
self.assertAlmostEqual(elapsed, min_delay, delta=delta)
#ensure min verify time is honored
elapsed, _ = timecall(cc.verify, "stub", "stub")
self.assertAlmostEqual(elapsed, min_verify_time, delta=delta)
#ensure taking longer emits a warning.
TimedHash.delay = max_delay
with catch_warnings(record=True) as wlog:
warnings.simplefilter("always")
elapsed, _ = timecall(cc.verify, "stub", "stub")
self.assertAlmostEqual(elapsed, max_delay, delta=delta)
self.assertEqual(len(wlog), 1)
self.assertWarningMatches(wlog[0],
message_re="CryptContext: verify exceeded min_verify_time")
def test_25_verify_and_update(self):
"test verify_and_update()"
cc = CryptContext(**self.sample_policy_1)
#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)
#=========================================================
# other
#=========================================================
def test_90_bcrypt_normhash(self):
"teset verify_and_update / hash_needs_update corrects bcrypt padding"
# see issue 25.
bcrypt = hash.bcrypt
PASS1 = "loppux"
BAD1 = "$2a$12$oaQbBqq8JnSM1NHRPQGXORm4GCUMqp7meTnkft4zgSnrbhoKdDV0C"
GOOD1 = "$2a$12$oaQbBqq8JnSM1NHRPQGXOOm4GCUMqp7meTnkft4zgSnrbhoKdDV0C"
ctx = CryptContext(["bcrypt"])
with catch_warnings(record=True) as wlog:
warnings.simplefilter("always")
self.assertTrue(ctx.hash_needs_update(BAD1))
self.assertFalse(ctx.hash_needs_update(GOOD1))
if bcrypt.has_backend():
self.assertEquals(ctx.verify_and_update(PASS1,GOOD1), (True,None))
self.assertEquals(ctx.verify_and_update("x",BAD1), (False,None))
res = ctx.verify_and_update(PASS1, BAD1)
self.assertTrue(res[0] and res[1] and res[1] != BAD1)
#=========================================================
#eoc
#=========================================================
#=========================================================
#LazyCryptContext
#=========================================================
class dummy_2(uh.StaticHandler):
name = "dummy_2"
class LazyCryptContextTest(TestCase):
case_prefix = "LazyCryptContext"
def setUp(self):
unload_handler_name("dummy_2")
def tearDown(self):
unload_handler_name("dummy_2")
def test_kwd_constructor(self):
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.assertTrue(cc.policy.handler_is_deprecated("des_crypt"))
self.assertEqual(cc.policy.schemes(), ["dummy_2", "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 create_policy(flag=False):
self.assertTrue(flag)
return CryptPolicy(schemes=iter(["dummy_2", "des_crypt"]), deprecated=["des_crypt"])
cc = LazyCryptContext(create_policy=create_policy, flag=True)
self.assertFalse(has_crypt_handler("dummy_2", True))
self.assertTrue(cc.policy.handler_is_deprecated("des_crypt"))
self.assertEqual(cc.policy.schemes(), ["dummy_2", "des_crypt"])
self.assertTrue(has_crypt_handler("dummy_2", True))
#=========================================================
#EOF
#=========================================================
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