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"""passlib.tests -- test passlib.totp"""
#=============================================================================
# imports
#=============================================================================
# core
import datetime
from functools import partial
import logging; log = logging.getLogger(__name__)
import sys
import time as _time
# site
# pkg
from passlib import exc
from passlib.utils.compat import unicode, u
from passlib.tests.utils import TestCase, time_call
# subject
from passlib import totp as totp_module
from passlib.totp import TOTP, AppWallet, AES_SUPPORT
# local
__all__ = [
"EngineTest",
]
#=============================================================================
# helpers
#=============================================================================
# XXX: python 3 changed what error base64.b16decode() throws, from TypeError to base64.Error().
# it wasn't until 3.3 that base32decode() also got changed.
# really should normalize this in the code to a single BinaryDecodeError,
# predicting this cross-version is getting unmanagable.
Base32DecodeError = Base16DecodeError = TypeError
if sys.version_info >= (3,0):
from binascii import Error as Base16DecodeError
if sys.version_info >= (3,3):
from binascii import Error as Base32DecodeError
PASS1 = "abcdef"
PASS2 = b"\x00\xFF"
KEY1 = '4AOGGDBBQSYHNTUZ'
KEY1_RAW = b'\xe0\x1cc\x0c!\x84\xb0v\xce\x99'
KEY2_RAW = b'\xee]\xcb9\x870\x06 D\xc8y/\xa54&\xe4\x9c\x13\xc2\x18'
KEY3 = 'S3JDVB7QD2R7JPXX' # used in docstrings
KEY4 = 'JBSWY3DPEHPK3PXP' # from google keyuri spec
KEY4_RAW = b'Hello!\xde\xad\xbe\xef'
# NOTE: for randtime() below,
# * want at least 7 bits on fractional side, to test fractional times to at least 0.01s precision
# * want at least 32 bits on integer side, to test for 32-bit epoch issues.
# most systems *should* have 53 bit mantissa, leaving plenty of room on both ends,
# so using (1<<37) as scale, to allocate 16 bits on fractional side, but generate reasonable # of > 1<<32 times.
# sanity check that we're above 44 ensures minimum requirements (44 - 37 int = 7 frac)
assert sys.float_info.radix == 2, "unexpected float_info.radix"
assert sys.float_info.mant_dig >= 44, "double precision unexpectedly small"
def _get_max_time_t():
"""
helper to calc max_time_t constant (see below)
"""
value = 1 << 30 # even for 32 bit systems will handle this
year = 0
while True:
next_value = value << 1
try:
next_year = datetime.datetime.utcfromtimestamp(next_value-1).year
except (ValueError, OSError, OverflowError):
# utcfromtimestamp() may throw any of the following:
#
# * year out of range for datetime:
# py < 3.6 throws ValueError.
# (py 3.6.0 returns odd value instead, see workaround below)
#
# * int out of range for host's gmtime/localtime:
# py2 throws ValueError, py3 throws OSError.
#
# * int out of range for host's time_t:
# py2 throws ValueError, py3 throws OverflowError.
#
break
# Workaround for python 3.6.0 issue --
# Instead of throwing ValueError if year out of range for datetime,
# Python 3.6 will do some weird behavior that masks high bits
# e.g. (1<<40) -> year 36812, but (1<<41) -> year 6118.
# (Appears to be bug http://bugs.python.org/issue29100)
# This check stops at largest non-wrapping bit size.
if next_year < year:
break
value = next_value
# 'value-1' is maximum.
value -= 1
# check for crazy case where we're beyond what datetime supports
# (caused by bug 29100 again). compare to max value that datetime
# module supports -- datetime.datetime(9999, 12, 31, 23, 59, 59, 999999)
max_datetime_timestamp = 253402318800
return min(value, max_datetime_timestamp)
#: Rough approximation of max value acceptable by hosts's time_t.
#: This is frequently ~2**37 on 64 bit, and ~2**31 on 32 bit systems.
max_time_t = _get_max_time_t()
def to_b32_size(raw_size):
return (raw_size * 8 + 4) // 5
#=============================================================================
# wallet
#=============================================================================
class AppWalletTest(TestCase):
descriptionPrefix = "passlib.totp.AppWallet"
#=============================================================================
# constructor
#=============================================================================
def test_secrets_types(self):
"""constructor -- 'secrets' param -- input types"""
# no secrets
wallet = AppWallet()
self.assertEqual(wallet._secrets, {})
self.assertFalse(wallet.has_secrets)
# dict
ref = {"1": b"aaa", "2": b"bbb"}
wallet = AppWallet(ref)
self.assertEqual(wallet._secrets, ref)
self.assertTrue(wallet.has_secrets)
# # list
# wallet = AppWallet(list(ref.items()))
# self.assertEqual(wallet._secrets, ref)
# # iter
# wallet = AppWallet(iter(ref.items()))
# self.assertEqual(wallet._secrets, ref)
# "tag:value" string
wallet = AppWallet("\n 1: aaa\n# comment\n \n2: bbb ")
self.assertEqual(wallet._secrets, ref)
# ensure ":" allowed in secret
wallet = AppWallet("1: aaa: bbb \n# comment\n \n2: bbb ")
self.assertEqual(wallet._secrets, {"1": b"aaa: bbb", "2": b"bbb"})
# json dict
wallet = AppWallet('{"1":"aaa","2":"bbb"}')
self.assertEqual(wallet._secrets, ref)
# # json list
# wallet = AppWallet('[["1","aaa"],["2","bbb"]]')
# self.assertEqual(wallet._secrets, ref)
# invalid type
self.assertRaises(TypeError, AppWallet, 123)
# invalid json obj
self.assertRaises(TypeError, AppWallet, "[123]")
# # invalid list items
# self.assertRaises(ValueError, AppWallet, ["1", b"aaa"])
# forbid empty secret
self.assertRaises(ValueError, AppWallet, {"1": "aaa", "2": ""})
def test_secrets_tags(self):
"""constructor -- 'secrets' param -- tag/value normalization"""
# test reference
ref = {"1": b"aaa", "02": b"bbb", "C": b"ccc"}
wallet = AppWallet(ref)
self.assertEqual(wallet._secrets, ref)
# accept unicode
wallet = AppWallet({u("1"): b"aaa", u("02"): b"bbb", u("C"): b"ccc"})
self.assertEqual(wallet._secrets, ref)
# normalize int tags
wallet = AppWallet({1: b"aaa", "02": b"bbb", "C": b"ccc"})
self.assertEqual(wallet._secrets, ref)
# forbid non-str/int tags
self.assertRaises(TypeError, AppWallet, {(1,): "aaa"})
# accept valid tags
wallet = AppWallet({"1-2_3.4": b"aaa"})
# forbid invalid tags
self.assertRaises(ValueError, AppWallet, {"-abc": "aaa"})
self.assertRaises(ValueError, AppWallet, {"ab*$": "aaa"})
# coerce value to bytes
wallet = AppWallet({"1": u("aaa"), "02": "bbb", "C": b"ccc"})
self.assertEqual(wallet._secrets, ref)
# forbid invalid value types
self.assertRaises(TypeError, AppWallet, {"1": 123})
self.assertRaises(TypeError, AppWallet, {"1": None})
self.assertRaises(TypeError, AppWallet, {"1": []})
# TODO: test secrets_path
def test_default_tag(self):
"""constructor -- 'default_tag' param"""
# should sort numerically
wallet = AppWallet({"1": "one", "02": "two"})
self.assertEqual(wallet.default_tag, "02")
self.assertEqual(wallet.get_secret(wallet.default_tag), b"two")
# should sort alphabetically if non-digit present
wallet = AppWallet({"1": "one", "02": "two", "A": "aaa"})
self.assertEqual(wallet.default_tag, "A")
self.assertEqual(wallet.get_secret(wallet.default_tag), b"aaa")
# should use honor custom tag
wallet = AppWallet({"1": "one", "02": "two", "A": "aaa"}, default_tag="1")
self.assertEqual(wallet.default_tag, "1")
self.assertEqual(wallet.get_secret(wallet.default_tag), b"one")
# throw error on unknown value
self.assertRaises(KeyError, AppWallet, {"1": "one", "02": "two", "A": "aaa"},
default_tag="B")
# should be empty
wallet = AppWallet()
self.assertEqual(wallet.default_tag, None)
self.assertRaises(KeyError, wallet.get_secret, None)
# TODO: test 'cost' param
#=============================================================================
# encrypt_key() & decrypt_key() helpers
#=============================================================================
def require_aes_support(self, canary=None):
if AES_SUPPORT:
canary and canary()
else:
canary and self.assertRaises(RuntimeError, canary)
raise self.skipTest("'cryptography' package not installed")
def test_decrypt_key(self):
""".decrypt_key()"""
wallet = AppWallet({"1": PASS1, "2": PASS2})
# check for support
CIPHER1 = dict(v=1, c=13, s='6D7N7W53O7HHS37NLUFQ',
k='MHCTEGSNPFN5CGBJ', t='1')
self.require_aes_support(canary=partial(wallet.decrypt_key, CIPHER1))
# reference key
self.assertEqual(wallet.decrypt_key(CIPHER1)[0], KEY1_RAW)
# different salt used to encrypt same raw key
CIPHER2 = dict(v=1, c=13, s='SPZJ54Y6IPUD2BYA4C6A',
k='ZGDXXTVQOWYLC2AU', t='1')
self.assertEqual(wallet.decrypt_key(CIPHER2)[0], KEY1_RAW)
# different sized key, password, and cost
CIPHER3 = dict(v=1, c=8, s='FCCTARTIJWE7CPQHUDKA',
k='D2DRS32YESGHHINWFFCELKN7Z6NAHM4M', t='2')
self.assertEqual(wallet.decrypt_key(CIPHER3)[0], KEY2_RAW)
# wrong password should silently result in wrong key
temp = CIPHER1.copy()
temp.update(t='2')
self.assertEqual(wallet.decrypt_key(temp)[0], b'\xafD6.F7\xeb\x19\x05Q')
# missing tag should throw error
temp = CIPHER1.copy()
temp.update(t='3')
self.assertRaises(KeyError, wallet.decrypt_key, temp)
# unknown version should throw error
temp = CIPHER1.copy()
temp.update(v=999)
self.assertRaises(ValueError, wallet.decrypt_key, temp)
def test_decrypt_key_needs_recrypt(self):
""".decrypt_key() -- needs_recrypt flag"""
self.require_aes_support()
wallet = AppWallet({"1": PASS1, "2": PASS2}, encrypt_cost=13)
# ref should be accepted
ref = dict(v=1, c=13, s='AAAA', k='AAAA', t='2')
self.assertFalse(wallet.decrypt_key(ref)[1])
# wrong cost
temp = ref.copy()
temp.update(c=8)
self.assertTrue(wallet.decrypt_key(temp)[1])
# wrong tag
temp = ref.copy()
temp.update(t="1")
self.assertTrue(wallet.decrypt_key(temp)[1])
# XXX: should this check salt_size?
def assertSaneResult(self, result, wallet, key, tag="1",
needs_recrypt=False):
"""check encrypt_key() result has expected format"""
self.assertEqual(set(result), set(["v", "t", "c", "s", "k"]))
self.assertEqual(result['v'], 1)
self.assertEqual(result['t'], tag)
self.assertEqual(result['c'], wallet.encrypt_cost)
self.assertEqual(len(result['s']), to_b32_size(wallet.salt_size))
self.assertEqual(len(result['k']), to_b32_size(len(key)))
result_key, result_needs_recrypt = wallet.decrypt_key(result)
self.assertEqual(result_key, key)
self.assertEqual(result_needs_recrypt, needs_recrypt)
def test_encrypt_key(self):
""".encrypt_key()"""
# check for support
wallet = AppWallet({"1": PASS1}, encrypt_cost=5)
self.require_aes_support(canary=partial(wallet.encrypt_key, KEY1_RAW))
# basic behavior
result = wallet.encrypt_key(KEY1_RAW)
self.assertSaneResult(result, wallet, KEY1_RAW)
# creates new salt each time
other = wallet.encrypt_key(KEY1_RAW)
self.assertSaneResult(result, wallet, KEY1_RAW)
self.assertNotEqual(other['s'], result['s'])
self.assertNotEqual(other['k'], result['k'])
# honors custom cost
wallet2 = AppWallet({"1": PASS1}, encrypt_cost=6)
result = wallet2.encrypt_key(KEY1_RAW)
self.assertSaneResult(result, wallet2, KEY1_RAW)
# honors default tag
wallet2 = AppWallet({"1": PASS1, "2": PASS2})
result = wallet2.encrypt_key(KEY1_RAW)
self.assertSaneResult(result, wallet2, KEY1_RAW, tag="2")
# honor salt size
wallet2 = AppWallet({"1": PASS1})
wallet2.salt_size = 64
result = wallet2.encrypt_key(KEY1_RAW)
self.assertSaneResult(result, wallet2, KEY1_RAW)
# larger key
result = wallet.encrypt_key(KEY2_RAW)
self.assertSaneResult(result, wallet, KEY2_RAW)
# border case: empty key
# XXX: might want to allow this, but documenting behavior for now
self.assertRaises(ValueError, wallet.encrypt_key, b"")
def test_encrypt_cost_timing(self):
"""verify cost parameter via timing"""
self.require_aes_support()
# time default cost
wallet = AppWallet({"1": "aaa"})
wallet.encrypt_cost -= 2
delta, _ = time_call(partial(wallet.encrypt_key, KEY1_RAW), maxtime=0)
# this should take (2**3=8) times as long
wallet.encrypt_cost += 3
delta2, _ = time_call(partial(wallet.encrypt_key, KEY1_RAW), maxtime=0)
# TODO: rework timing test here to inject mock pbkdf2_hmac() function instead;
# and test that it's being invoked w/ proper options.
self.assertAlmostEqual(delta2, delta*8, delta=(delta*8)*0.5)
#=============================================================================
# eoc
#=============================================================================
#=============================================================================
# common OTP code
#=============================================================================
#: used as base value for RFC test vector keys
RFC_KEY_BYTES_20 = "12345678901234567890".encode("ascii")
RFC_KEY_BYTES_32 = (RFC_KEY_BYTES_20*2)[:32]
RFC_KEY_BYTES_64 = (RFC_KEY_BYTES_20*4)[:64]
# TODO: this class is separate from TotpTest due to historical issue,
# when there was a base class, and a separate HOTP class.
# these test case classes should probably be combined.
class TotpTest(TestCase):
"""
common code shared by TotpTest & HotpTest
"""
#=============================================================================
# class attrs
#=============================================================================
descriptionPrefix = "passlib.totp.TOTP"
#=============================================================================
# setup
#=============================================================================
def setUp(self):
super(TotpTest, self).setUp()
# clear norm_hash_name() cache so 'unknown hash' warnings get emitted each time
from passlib.crypto.digest import lookup_hash
lookup_hash.clear_cache()
# monkeypatch module's rng to be deterministic
self.patchAttr(totp_module, "rng", self.getRandom())
#=============================================================================
# general helpers
#=============================================================================
def randtime(self):
"""
helper to generate random epoch time
:returns float: epoch time
"""
return self.getRandom().random() * max_time_t
def randotp(self, cls=None, **kwds):
"""
helper which generates a random TOTP instance.
"""
rng = self.getRandom()
if "key" not in kwds:
kwds['new'] = True
kwds.setdefault("digits", rng.randint(6, 10))
kwds.setdefault("alg", rng.choice(["sha1", "sha256", "sha512"]))
kwds.setdefault("period", rng.randint(10, 120))
return (cls or TOTP)(**kwds)
def test_randotp(self):
"""
internal test -- randotp()
"""
otp1 = self.randotp()
otp2 = self.randotp()
self.assertNotEqual(otp1.key, otp2.key, "key not randomized:")
# NOTE: has (1/5)**10 odds of failure
for _ in range(10):
if otp1.digits != otp2.digits:
break
otp2 = self.randotp()
else:
self.fail("digits not randomized")
# NOTE: has (1/3)**10 odds of failure
for _ in range(10):
if otp1.alg != otp2.alg:
break
otp2 = self.randotp()
else:
self.fail("alg not randomized")
#=============================================================================
# reference vector helpers
#=============================================================================
#: default options used by test vectors (unless otherwise stated)
vector_defaults = dict(format="base32", alg="sha1", period=30, digits=8)
#: various TOTP test vectors,
#: each element in list has format [options, (time, token <, int(expires)>), ...]
vectors = [
#-------------------------------------------------------------------------
# passlib test vectors
#-------------------------------------------------------------------------
# 10 byte key, 6 digits
[dict(key="ACDEFGHJKL234567", digits=6),
# test fencepost to make sure we're rounding right
(1412873399, '221105'), # == 29 mod 30
(1412873400, '178491'), # == 0 mod 30
(1412873401, '178491'), # == 1 mod 30
(1412873429, '178491'), # == 29 mod 30
(1412873430, '915114'), # == 0 mod 30
],
# 10 byte key, 8 digits
[dict(key="ACDEFGHJKL234567", digits=8),
# should be same as 6 digits (above), but w/ 2 more digits on left side of token.
(1412873399, '20221105'), # == 29 mod 30
(1412873400, '86178491'), # == 0 mod 30
(1412873401, '86178491'), # == 1 mod 30
(1412873429, '86178491'), # == 29 mod 30
(1412873430, '03915114'), # == 0 mod 30
],
# sanity check on key used in docstrings
[dict(key="S3JD-VB7Q-D2R7-JPXX", digits=6),
(1419622709, '000492'),
(1419622739, '897212'),
],
#-------------------------------------------------------------------------
# reference vectors taken from http://tools.ietf.org/html/rfc6238, appendix B
# NOTE: while appendix B states same key used for all tests, the reference
# code in the appendix repeats the key up to the alg's block size,
# and uses *that* as the secret... so that's what we're doing here.
#-------------------------------------------------------------------------
# sha1 test vectors
[dict(key=RFC_KEY_BYTES_20, format="raw", alg="sha1"),
(59, '94287082'),
(1111111109, '07081804'),
(1111111111, '14050471'),
(1234567890, '89005924'),
(2000000000, '69279037'),
(20000000000, '65353130'),
],
# sha256 test vectors
[dict(key=RFC_KEY_BYTES_32, format="raw", alg="sha256"),
(59, '46119246'),
(1111111109, '68084774'),
(1111111111, '67062674'),
(1234567890, '91819424'),
(2000000000, '90698825'),
(20000000000, '77737706'),
],
# sha512 test vectors
[dict(key=RFC_KEY_BYTES_64, format="raw", alg="sha512"),
(59, '90693936'),
(1111111109, '25091201'),
(1111111111, '99943326'),
(1234567890, '93441116'),
(2000000000, '38618901'),
(20000000000, '47863826'),
],
#-------------------------------------------------------------------------
# other test vectors
#-------------------------------------------------------------------------
# generated at http://blog.tinisles.com/2011/10/google-authenticator-one-time-password-algorithm-in-javascript
[dict(key="JBSWY3DPEHPK3PXP", digits=6), (1409192430, '727248'), (1419890990, '122419')],
[dict(key="JBSWY3DPEHPK3PXP", digits=9, period=41), (1419891152, '662331049')],
# found in https://github.com/eloquent/otis/blob/develop/test/suite/Totp/Value/TotpValueGeneratorTest.php, line 45
[dict(key=RFC_KEY_BYTES_20, format="raw", period=60), (1111111111, '19360094')],
[dict(key=RFC_KEY_BYTES_32, format="raw", alg="sha256", period=60), (1111111111, '40857319')],
[dict(key=RFC_KEY_BYTES_64, format="raw", alg="sha512", period=60), (1111111111, '37023009')],
]
def iter_test_vectors(self):
"""
helper to iterate over test vectors.
yields ``(totp, time, token, expires, prefix)`` tuples.
"""
from passlib.totp import TOTP
for row in self.vectors:
kwds = self.vector_defaults.copy()
kwds.update(row[0])
for entry in row[1:]:
if len(entry) == 3:
time, token, expires = entry
else:
time, token = entry
expires = None
# NOTE: not re-using otp between calls so that stateful methods
# (like .match) don't have problems.
log.debug("test vector: %r time=%r token=%r expires=%r", kwds, time, token, expires)
otp = TOTP(**kwds)
prefix = "alg=%r time=%r token=%r: " % (otp.alg, time, token)
yield otp, time, token, expires, prefix
#=============================================================================
# constructor tests
#=============================================================================
def test_ctor_w_new(self):
"""constructor -- 'new' parameter"""
# exactly one of 'key' or 'new' is required
self.assertRaises(TypeError, TOTP)
self.assertRaises(TypeError, TOTP, key='4aoggdbbqsyhntuz', new=True)
# generates new key
otp = TOTP(new=True)
otp2 = TOTP(new=True)
self.assertNotEqual(otp.key, otp2.key)
def test_ctor_w_size(self):
"""constructor -- 'size' parameter"""
# should default to digest size, per RFC
self.assertEqual(len(TOTP(new=True, alg="sha1").key), 20)
self.assertEqual(len(TOTP(new=True, alg="sha256").key), 32)
self.assertEqual(len(TOTP(new=True, alg="sha512").key), 64)
# explicit key size
self.assertEqual(len(TOTP(new=True, size=10).key), 10)
self.assertEqual(len(TOTP(new=True, size=16).key), 16)
# for new=True, maximum size enforced (based on alg)
self.assertRaises(ValueError, TOTP, new=True, size=21, alg="sha1")
# for new=True, minimum size enforced
self.assertRaises(ValueError, TOTP, new=True, size=9)
# for existing key, minimum size is only warned about
with self.assertWarningList([
dict(category=exc.PasslibSecurityWarning, message_re=".*for security purposes, secret key must be.*")
]):
_ = TOTP('0A'*9, 'hex')
def test_ctor_w_key_and_format(self):
"""constructor -- 'key' and 'format' parameters"""
# handle base32 encoding (the default)
self.assertEqual(TOTP(KEY1).key, KEY1_RAW)
# .. w/ lower case
self.assertEqual(TOTP(KEY1.lower()).key, KEY1_RAW)
# .. w/ spaces (e.g. user-entered data)
self.assertEqual(TOTP(' 4aog gdbb qsyh ntuz ').key, KEY1_RAW)
# .. w/ invalid char
self.assertRaises(Base32DecodeError, TOTP, 'ao!ggdbbqsyhntuz')
# handle hex encoding
self.assertEqual(TOTP('e01c630c2184b076ce99', 'hex').key, KEY1_RAW)
# .. w/ invalid char
self.assertRaises(Base16DecodeError, TOTP, 'X01c630c2184b076ce99', 'hex')
# handle raw bytes
self.assertEqual(TOTP(KEY1_RAW, "raw").key, KEY1_RAW)
def test_ctor_w_alg(self):
"""constructor -- 'alg' parameter"""
# normalize hash names
self.assertEqual(TOTP(KEY1, alg="SHA-256").alg, "sha256")
self.assertEqual(TOTP(KEY1, alg="SHA256").alg, "sha256")
# invalid alg
self.assertRaises(ValueError, TOTP, KEY1, alg="SHA-333")
def test_ctor_w_digits(self):
"""constructor -- 'digits' parameter"""
self.assertRaises(ValueError, TOTP, KEY1, digits=5)
self.assertEqual(TOTP(KEY1, digits=6).digits, 6) # min value
self.assertEqual(TOTP(KEY1, digits=10).digits, 10) # max value
self.assertRaises(ValueError, TOTP, KEY1, digits=11)
def test_ctor_w_period(self):
"""constructor -- 'period' parameter"""
# default
self.assertEqual(TOTP(KEY1).period, 30)
# explicit value
self.assertEqual(TOTP(KEY1, period=63).period, 63)
# reject wrong type
self.assertRaises(TypeError, TOTP, KEY1, period=1.5)
self.assertRaises(TypeError, TOTP, KEY1, period='abc')
# reject non-positive values
self.assertRaises(ValueError, TOTP, KEY1, period=0)
self.assertRaises(ValueError, TOTP, KEY1, period=-1)
def test_ctor_w_label(self):
"""constructor -- 'label' parameter"""
self.assertEqual(TOTP(KEY1).label, None)
self.assertEqual(TOTP(KEY1, label="foo@bar").label, "foo@bar")
self.assertRaises(ValueError, TOTP, KEY1, label="foo:bar")
def test_ctor_w_issuer(self):
"""constructor -- 'issuer' parameter"""
self.assertEqual(TOTP(KEY1).issuer, None)
self.assertEqual(TOTP(KEY1, issuer="foo.com").issuer, "foo.com")
self.assertRaises(ValueError, TOTP, KEY1, issuer="foo.com:bar")
#=============================================================================
# using() tests
#=============================================================================
# TODO: test using() w/ 'digits', 'alg', 'issue', 'wallet', **wallet_kwds
def test_using_w_period(self):
"""using() -- 'period' parameter"""
# default
self.assertEqual(TOTP(KEY1).period, 30)
# explicit value
self.assertEqual(TOTP.using(period=63)(KEY1).period, 63)
# reject wrong type
self.assertRaises(TypeError, TOTP.using, period=1.5)
self.assertRaises(TypeError, TOTP.using, period='abc')
# reject non-positive values
self.assertRaises(ValueError, TOTP.using, period=0)
self.assertRaises(ValueError, TOTP.using, period=-1)
def test_using_w_now(self):
"""using -- 'now' parameter"""
# NOTE: reading time w/ normalize_time() to make sure custom .now actually has effect.
# default -- time.time
otp = self.randotp()
self.assertIs(otp.now, _time.time)
self.assertAlmostEqual(otp.normalize_time(None), int(_time.time()))
# custom function
counter = [123.12]
def now():
counter[0] += 1
return counter[0]
otp = self.randotp(cls=TOTP.using(now=now))
# NOTE: TOTP() constructor invokes this as part of test, using up counter values 124 & 125
self.assertEqual(otp.normalize_time(None), 126)
self.assertEqual(otp.normalize_time(None), 127)
# require callable
self.assertRaises(TypeError, TOTP.using, now=123)
# require returns int/float
msg_re = r"now\(\) function must return non-negative"
self.assertRaisesRegex(AssertionError, msg_re, TOTP.using, now=lambda: 'abc')
# require returns non-negative value
self.assertRaisesRegex(AssertionError, msg_re, TOTP.using, now=lambda: -1)
#=============================================================================
# internal method tests
#=============================================================================
def test_normalize_token_instance(self, otp=None):
"""normalize_token() -- instance method"""
if otp is None:
otp = self.randotp(digits=7)
# unicode & bytes
self.assertEqual(otp.normalize_token(u('1234567')), '1234567')
self.assertEqual(otp.normalize_token(b'1234567'), '1234567')
# int
self.assertEqual(otp.normalize_token(1234567), '1234567')
# int which needs 0 padding
self.assertEqual(otp.normalize_token(234567), '0234567')
# reject wrong types (float, None)
self.assertRaises(TypeError, otp.normalize_token, 1234567.0)
self.assertRaises(TypeError, otp.normalize_token, None)
# too few digits
self.assertRaises(exc.MalformedTokenError, otp.normalize_token, '123456')
# too many digits
self.assertRaises(exc.MalformedTokenError, otp.normalize_token, '01234567')
self.assertRaises(exc.MalformedTokenError, otp.normalize_token, 12345678)
def test_normalize_token_class(self):
"""normalize_token() -- class method"""
self.test_normalize_token_instance(otp=TOTP.using(digits=7))
def test_normalize_time(self):
"""normalize_time()"""
TotpFactory = TOTP.using()
otp = self.randotp(TotpFactory)
for _ in range(10):
time = self.randtime()
tint = int(time)
self.assertEqual(otp.normalize_time(time), tint)
self.assertEqual(otp.normalize_time(tint + 0.5), tint)
self.assertEqual(otp.normalize_time(tint), tint)
dt = datetime.datetime.utcfromtimestamp(time)
self.assertEqual(otp.normalize_time(dt), tint)
orig = TotpFactory.now
try:
TotpFactory.now = staticmethod(lambda: time)
self.assertEqual(otp.normalize_time(None), tint)
finally:
TotpFactory.now = orig
self.assertRaises(TypeError, otp.normalize_time, '1234')
#=============================================================================
# key attr tests
#=============================================================================
def test_key_attrs(self):
"""pretty_key() and .key attributes"""
rng = self.getRandom()
# test key attrs
otp = TOTP(KEY1_RAW, "raw")
self.assertEqual(otp.key, KEY1_RAW)
self.assertEqual(otp.hex_key, 'e01c630c2184b076ce99')
self.assertEqual(otp.base32_key, KEY1)
# test pretty_key()
self.assertEqual(otp.pretty_key(), '4AOG-GDBB-QSYH-NTUZ')
self.assertEqual(otp.pretty_key(sep=" "), '4AOG GDBB QSYH NTUZ')
self.assertEqual(otp.pretty_key(sep=False), KEY1)
self.assertEqual(otp.pretty_key(format="hex"), 'e01c-630c-2184-b076-ce99')
# quick fuzz test: make attr access works for random key & random size
otp = TOTP(new=True, size=rng.randint(10, 20))
_ = otp.hex_key
_ = otp.base32_key
_ = otp.pretty_key()
#=============================================================================
# generate() tests
#=============================================================================
def test_totp_token(self):
"""generate() -- TotpToken() class"""
from passlib.totp import TOTP, TotpToken
# test known set of values
otp = TOTP('s3jdvb7qd2r7jpxx')
result = otp.generate(1419622739)
self.assertIsInstance(result, TotpToken)
self.assertEqual(result.token, '897212')
self.assertEqual(result.counter, 47320757)
##self.assertEqual(result.start_time, 1419622710)
self.assertEqual(result.expire_time, 1419622740)
self.assertEqual(result, ('897212', 1419622740))
self.assertEqual(len(result), 2)
self.assertEqual(result[0], '897212')
self.assertEqual(result[1], 1419622740)
self.assertRaises(IndexError, result.__getitem__, -3)
self.assertRaises(IndexError, result.__getitem__, 2)
self.assertTrue(result)
# time dependant bits...
otp.now = lambda : 1419622739.5
self.assertEqual(result.remaining, 0.5)
self.assertTrue(result.valid)
otp.now = lambda : 1419622741
self.assertEqual(result.remaining, 0)
self.assertFalse(result.valid)
# same time -- shouldn't return same object, but should be equal
result2 = otp.generate(1419622739)
self.assertIsNot(result2, result)
self.assertEqual(result2, result)
# diff time in period -- shouldn't return same object, but should be equal
result3 = otp.generate(1419622711)
self.assertIsNot(result3, result)
self.assertEqual(result3, result)
# shouldn't be equal
result4 = otp.generate(1419622999)
self.assertNotEqual(result4, result)
def test_generate(self):
"""generate()"""
from passlib.totp import TOTP
# generate token
otp = TOTP(new=True)
time = self.randtime()
result = otp.generate(time)
token = result.token
self.assertIsInstance(token, unicode)
start_time = result.counter * 30
# should generate same token for next 29s
self.assertEqual(otp.generate(start_time + 29).token, token)
# and new one at 30s
self.assertNotEqual(otp.generate(start_time + 30).token, token)
# verify round-trip conversion of datetime
dt = datetime.datetime.utcfromtimestamp(time)
self.assertEqual(int(otp.normalize_time(dt)), int(time))
# handle datetime object
self.assertEqual(otp.generate(dt).token, token)
# omitting value should use current time
otp2 = TOTP.using(now=lambda: time)(key=otp.base32_key)
self.assertEqual(otp2.generate().token, token)
# reject invalid time
self.assertRaises(ValueError, otp.generate, -1)
def test_generate_w_reference_vectors(self):
"""generate() -- reference vectors"""
for otp, time, token, expires, prefix in self.iter_test_vectors():
# should output correct token for specified time
result = otp.generate(time)
self.assertEqual(result.token, token, msg=prefix)
self.assertEqual(result.counter, time // otp.period, msg=prefix)
if expires:
self.assertEqual(result.expire_time, expires)
#=============================================================================
# TotpMatch() tests
#=============================================================================
def assertTotpMatch(self, match, time, skipped=0, period=30, window=30, msg=''):
from passlib.totp import TotpMatch
# test type
self.assertIsInstance(match, TotpMatch)
# totp sanity check
self.assertIsInstance(match.totp, TOTP)
self.assertEqual(match.totp.period, period)
# test attrs
self.assertEqual(match.time, time, msg=msg + " matched time:")
expected = time // period
counter = expected + skipped
self.assertEqual(match.counter, counter, msg=msg + " matched counter:")
self.assertEqual(match.expected_counter, expected, msg=msg + " expected counter:")
self.assertEqual(match.skipped, skipped, msg=msg + " skipped:")
self.assertEqual(match.cache_seconds, period + window)
expire_time = (counter + 1) * period
self.assertEqual(match.expire_time, expire_time)
self.assertEqual(match.cache_time, expire_time + window)
# test tuple
self.assertEqual(len(match), 2)
self.assertEqual(match, (counter, time))
self.assertRaises(IndexError, match.__getitem__, -3)
self.assertEqual(match[0], counter)
self.assertEqual(match[1], time)
self.assertRaises(IndexError, match.__getitem__, 2)
# test bool
self.assertTrue(match)
def test_totp_match_w_valid_token(self):
"""match() -- valid TotpMatch object"""
time = 141230981
token = '781501'
otp = TOTP.using(now=lambda: time + 24 * 3600)(KEY3)
result = otp.match(token, time)
self.assertTotpMatch(result, time=time, skipped=0)
def test_totp_match_w_older_token(self):
"""match() -- valid TotpMatch object with future token"""
from passlib.totp import TotpMatch
time = 141230981
token = '781501'
otp = TOTP.using(now=lambda: time + 24 * 3600)(KEY3)
result = otp.match(token, time - 30)
self.assertTotpMatch(result, time=time - 30, skipped=1)
def test_totp_match_w_new_token(self):
"""match() -- valid TotpMatch object with past token"""
time = 141230981
token = '781501'
otp = TOTP.using(now=lambda: time + 24 * 3600)(KEY3)
result = otp.match(token, time + 30)
self.assertTotpMatch(result, time=time + 30, skipped=-1)
def test_totp_match_w_invalid_token(self):
"""match() -- invalid TotpMatch object"""
time = 141230981
token = '781501'
otp = TOTP.using(now=lambda: time + 24 * 3600)(KEY3)
self.assertRaises(exc.InvalidTokenError, otp.match, token, time + 60)
#=============================================================================
# match() tests
#=============================================================================
def assertVerifyMatches(self, expect_skipped, token, time, # *
otp, gen_time=None, **kwds):
"""helper to test otp.match() output is correct"""
# NOTE: TotpMatch return type tested more throughly above ^^^
msg = "key=%r alg=%r period=%r token=%r gen_time=%r time=%r:" % \
(otp.base32_key, otp.alg, otp.period, token, gen_time, time)
result = otp.match(token, time, **kwds)
self.assertTotpMatch(result,
time=otp.normalize_time(time),
period=otp.period,
window=kwds.get("window", 30),
skipped=expect_skipped,
msg=msg)
def assertVerifyRaises(self, exc_class, token, time, # *
otp, gen_time=None,
**kwds):
"""helper to test otp.match() throws correct error"""
# NOTE: TotpMatch return type tested more throughly above ^^^
msg = "key=%r alg=%r period=%r token=%r gen_time=%r time=%r:" % \
(otp.base32_key, otp.alg, otp.period, token, gen_time, time)
return self.assertRaises(exc_class, otp.match, token, time,
__msg__=msg, **kwds)
def test_match_w_window(self):
"""match() -- 'time' and 'window' parameters"""
# init generator & helper
otp = self.randotp()
period = otp.period
time = self.randtime()
token = otp.generate(time).token
common = dict(otp=otp, gen_time=time)
assertMatches = partial(self.assertVerifyMatches, **common)
assertRaises = partial(self.assertVerifyRaises, **common)
#-------------------------------
# basic validation, and 'window' parameter
#-------------------------------
# validate against previous counter (passes if window >= period)
assertRaises(exc.InvalidTokenError, token, time - period, window=0)
assertMatches(+1, token, time - period, window=period)
assertMatches(+1, token, time - period, window=2 * period)
# validate against current counter
assertMatches(0, token, time, window=0)
# validate against next counter (passes if window >= period)
assertRaises(exc.InvalidTokenError, token, time + period, window=0)
assertMatches(-1, token, time + period, window=period)
assertMatches(-1, token, time + period, window=2 * period)
# validate against two time steps later (should never pass)
assertRaises(exc.InvalidTokenError, token, time + 2 * period, window=0)
assertRaises(exc.InvalidTokenError, token, time + 2 * period, window=period)
assertMatches(-2, token, time + 2 * period, window=2 * period)
# TODO: test window values that aren't multiples of period
# (esp ensure counter rounding works correctly)
#-------------------------------
# time normalization
#-------------------------------
# handle datetimes
dt = datetime.datetime.utcfromtimestamp(time)
assertMatches(0, token, dt, window=0)
# reject invalid time
assertRaises(ValueError, token, -1)
def test_match_w_skew(self):
"""match() -- 'skew' parameters"""
# init generator & helper
otp = self.randotp()
period = otp.period
time = self.randtime()
common = dict(otp=otp, gen_time=time)
assertMatches = partial(self.assertVerifyMatches, **common)
assertRaises = partial(self.assertVerifyRaises, **common)
# assume client is running far behind server / has excessive transmission delay
skew = 3 * period
behind_token = otp.generate(time - skew).token
assertRaises(exc.InvalidTokenError, behind_token, time, window=0)
assertMatches(-3, behind_token, time, window=0, skew=-skew)
# assume client is running far ahead of server
ahead_token = otp.generate(time + skew).token
assertRaises(exc.InvalidTokenError, ahead_token, time, window=0)
assertMatches(+3, ahead_token, time, window=0, skew=skew)
# TODO: test skew + larger window
def test_match_w_reuse(self):
"""match() -- 'reuse' and 'last_counter' parameters"""
# init generator & helper
otp = self.randotp()
period = otp.period
time = self.randtime()
tdata = otp.generate(time)
token = tdata.token
counter = tdata.counter
expire_time = tdata.expire_time
common = dict(otp=otp, gen_time=time)
assertMatches = partial(self.assertVerifyMatches, **common)
assertRaises = partial(self.assertVerifyRaises, **common)
# last counter unset --
# previous period's token should count as valid
assertMatches(-1, token, time + period, window=period)
# last counter set 2 periods ago --
# previous period's token should count as valid
assertMatches(-1, token, time + period, last_counter=counter-1,
window=period)
# last counter set 2 periods ago --
# 2 periods ago's token should NOT count as valid
assertRaises(exc.InvalidTokenError, token, time + 2 * period,
last_counter=counter, window=period)
# last counter set 1 period ago --
# previous period's token should now be rejected as 'used'
err = assertRaises(exc.UsedTokenError, token, time + period,
last_counter=counter, window=period)
self.assertEqual(err.expire_time, expire_time)
# last counter set to current period --
# current period's token should be rejected
err = assertRaises(exc.UsedTokenError, token, time,
last_counter=counter, window=0)
self.assertEqual(err.expire_time, expire_time)
def test_match_w_token_normalization(self):
"""match() -- token normalization"""
# setup test helper
otp = TOTP('otxl2f5cctbprpzx')
match = otp.match
time = 1412889861
# separators / spaces should be stripped (orig token '332136')
self.assertTrue(match(' 3 32-136 ', time))
# ascii bytes
self.assertTrue(match(b'332136', time))
# too few digits
self.assertRaises(exc.MalformedTokenError, match, '12345', time)
# invalid char
self.assertRaises(exc.MalformedTokenError, match, '12345X', time)
# leading zeros count towards size
self.assertRaises(exc.MalformedTokenError, match, '0123456', time)
def test_match_w_reference_vectors(self):
"""match() -- reference vectors"""
for otp, time, token, expires, msg in self.iter_test_vectors():
# create wrapper
match = otp.match
# token should match against time
result = match(token, time)
self.assertTrue(result)
self.assertEqual(result.counter, time // otp.period, msg=msg)
# should NOT match against another time
self.assertRaises(exc.InvalidTokenError, match, token, time + 100, window=0)
#=============================================================================
# verify() tests
#=============================================================================
def test_verify(self):
"""verify()"""
# NOTE: since this is thin wrapper around .from_source() and .match(),
# just testing basic behavior here.
from passlib.totp import TOTP
time = 1412889861
TotpFactory = TOTP.using(now=lambda: time)
# successful match
source1 = dict(v=1, type="totp", key='otxl2f5cctbprpzx')
match = TotpFactory.verify('332136', source1)
self.assertTotpMatch(match, time=time)
# failed match
source1 = dict(v=1, type="totp", key='otxl2f5cctbprpzx')
self.assertRaises(exc.InvalidTokenError, TotpFactory.verify, '332155', source1)
# bad source
source1 = dict(v=1, type="totp")
self.assertRaises(ValueError, TotpFactory.verify, '332155', source1)
# successful match -- json source
source1json = '{"v": 1, "type": "totp", "key": "otxl2f5cctbprpzx"}'
match = TotpFactory.verify('332136', source1json)
self.assertTotpMatch(match, time=time)
# successful match -- URI
source1uri = 'otpauth://totp/Label?secret=otxl2f5cctbprpzx'
match = TotpFactory.verify('332136', source1uri)
self.assertTotpMatch(match, time=time)
#=============================================================================
# serialization frontend tests
#=============================================================================
def test_from_source(self):
"""from_source()"""
from passlib.totp import TOTP
from_source = TOTP.from_source
# uri (unicode)
otp = from_source(u("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"issuer=Example"))
self.assertEqual(otp.key, KEY4_RAW)
# uri (bytes)
otp = from_source(b"otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&"
b"issuer=Example")
self.assertEqual(otp.key, KEY4_RAW)
# dict
otp = from_source(dict(v=1, type="totp", key=KEY4))
self.assertEqual(otp.key, KEY4_RAW)
# json (unicode)
otp = from_source(u('{"v": 1, "type": "totp", "key": "JBSWY3DPEHPK3PXP"}'))
self.assertEqual(otp.key, KEY4_RAW)
# json (bytes)
otp = from_source(b'{"v": 1, "type": "totp", "key": "JBSWY3DPEHPK3PXP"}')
self.assertEqual(otp.key, KEY4_RAW)
# TOTP object -- return unchanged
self.assertIs(from_source(otp), otp)
# TOTP object w/ different wallet -- return new one.
wallet1 = AppWallet()
otp1 = TOTP.using(wallet=wallet1).from_source(otp)
self.assertIsNot(otp1, otp)
self.assertEqual(otp1.to_dict(), otp.to_dict())
# TOTP object w/ same wallet -- return original
otp2 = TOTP.using(wallet=wallet1).from_source(otp1)
self.assertIs(otp2, otp1)
# random string
self.assertRaises(ValueError, from_source, u("foo"))
self.assertRaises(ValueError, from_source, b"foo")
#=============================================================================
# uri serialization tests
#=============================================================================
def test_from_uri(self):
"""from_uri()"""
from passlib.totp import TOTP
from_uri = TOTP.from_uri
# URIs from https://code.google.com/p/google-authenticator/wiki/KeyUriFormat
#--------------------------------------------------------------------------------
# canonical uri
#--------------------------------------------------------------------------------
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"issuer=Example")
self.assertIsInstance(otp, TOTP)
self.assertEqual(otp.key, KEY4_RAW)
self.assertEqual(otp.label, "alice@google.com")
self.assertEqual(otp.issuer, "Example")
self.assertEqual(otp.alg, "sha1") # default
self.assertEqual(otp.period, 30) # default
self.assertEqual(otp.digits, 6) # default
#--------------------------------------------------------------------------------
# secret param
#--------------------------------------------------------------------------------
# secret case insensitive
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=jbswy3dpehpk3pxp&"
"issuer=Example")
self.assertEqual(otp.key, KEY4_RAW)
# missing secret
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?digits=6")
# undecodable secret
self.assertRaises(Base32DecodeError, from_uri, "otpauth://totp/Example:alice@google.com?"
"secret=JBSWY3DPEHP@3PXP")
#--------------------------------------------------------------------------------
# label param
#--------------------------------------------------------------------------------
# w/ encoded space
otp = from_uri("otpauth://totp/Provider1:Alice%20Smith?secret=JBSWY3DPEHPK3PXP&"
"issuer=Provider1")
self.assertEqual(otp.label, "Alice Smith")
self.assertEqual(otp.issuer, "Provider1")
# w/ encoded space and colon
# (note url has leading space before 'alice') -- taken from KeyURI spec
otp = from_uri("otpauth://totp/Big%20Corporation%3A%20alice@bigco.com?"
"secret=JBSWY3DPEHPK3PXP")
self.assertEqual(otp.label, "alice@bigco.com")
self.assertEqual(otp.issuer, "Big Corporation")
#--------------------------------------------------------------------------------
# issuer param / prefix
#--------------------------------------------------------------------------------
# 'new style' issuer only
otp = from_uri("otpauth://totp/alice@bigco.com?secret=JBSWY3DPEHPK3PXP&issuer=Big%20Corporation")
self.assertEqual(otp.label, "alice@bigco.com")
self.assertEqual(otp.issuer, "Big Corporation")
# new-vs-old issuer mismatch
self.assertRaises(ValueError, TOTP.from_uri,
"otpauth://totp/Provider1:alice?secret=JBSWY3DPEHPK3PXP&issuer=Provider2")
#--------------------------------------------------------------------------------
# algorithm param
#--------------------------------------------------------------------------------
# custom alg
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&algorithm=SHA256")
self.assertEqual(otp.alg, "sha256")
# unknown alg
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?"
"secret=JBSWY3DPEHPK3PXP&algorithm=SHA333")
#--------------------------------------------------------------------------------
# digit param
#--------------------------------------------------------------------------------
# custom digits
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&digits=8")
self.assertEqual(otp.digits, 8)
# digits out of range / invalid
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&digits=A")
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&digits=%20")
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&digits=15")
#--------------------------------------------------------------------------------
# period param
#--------------------------------------------------------------------------------
# custom period
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&period=63")
self.assertEqual(otp.period, 63)
# reject period < 1
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?"
"secret=JBSWY3DPEHPK3PXP&period=0")
self.assertRaises(ValueError, from_uri, "otpauth://totp/Example:alice@google.com?"
"secret=JBSWY3DPEHPK3PXP&period=-1")
#--------------------------------------------------------------------------------
# unrecognized param
#--------------------------------------------------------------------------------
# should issue warning, but otherwise ignore extra param
with self.assertWarningList([
dict(category=exc.PasslibRuntimeWarning, message_re="unexpected parameters encountered")
]):
otp = from_uri("otpauth://totp/Example:alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"foo=bar&period=63")
self.assertEqual(otp.base32_key, KEY4)
self.assertEqual(otp.period, 63)
def test_to_uri(self):
"""to_uri()"""
#-------------------------------------------------------------------------
# label & issuer parameters
#-------------------------------------------------------------------------
# with label & issuer
otp = TOTP(KEY4, alg="sha1", digits=6, period=30)
self.assertEqual(otp.to_uri("alice@google.com", "Example Org"),
"otpauth://totp/Example%20Org:alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"issuer=Example%20Org")
# label is required
self.assertRaises(ValueError, otp.to_uri, None, "Example Org")
# with label only
self.assertEqual(otp.to_uri("alice@google.com"),
"otpauth://totp/alice@google.com?secret=JBSWY3DPEHPK3PXP")
# with default label from constructor
otp.label = "alice@google.com"
self.assertEqual(otp.to_uri(),
"otpauth://totp/alice@google.com?secret=JBSWY3DPEHPK3PXP")
# with default label & default issuer from constructor
otp.issuer = "Example Org"
self.assertEqual(otp.to_uri(),
"otpauth://totp/Example%20Org:alice@google.com?secret=JBSWY3DPEHPK3PXP"
"&issuer=Example%20Org")
# reject invalid label
self.assertRaises(ValueError, otp.to_uri, "label:with:semicolons")
# reject invalid issuer
self.assertRaises(ValueError, otp.to_uri, "alice@google.com", "issuer:with:semicolons")
#-------------------------------------------------------------------------
# algorithm parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, alg="sha256").to_uri("alice@google.com"),
"otpauth://totp/alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"algorithm=SHA256")
#-------------------------------------------------------------------------
# digits parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, digits=8).to_uri("alice@google.com"),
"otpauth://totp/alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"digits=8")
#-------------------------------------------------------------------------
# period parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, period=63).to_uri("alice@google.com"),
"otpauth://totp/alice@google.com?secret=JBSWY3DPEHPK3PXP&"
"period=63")
#=============================================================================
# dict serialization tests
#=============================================================================
def test_from_dict(self):
"""from_dict()"""
from passlib.totp import TOTP
from_dict = TOTP.from_dict
#--------------------------------------------------------------------------------
# canonical simple example
#--------------------------------------------------------------------------------
otp = from_dict(dict(v=1, type="totp", key=KEY4, label="alice@google.com", issuer="Example"))
self.assertIsInstance(otp, TOTP)
self.assertEqual(otp.key, KEY4_RAW)
self.assertEqual(otp.label, "alice@google.com")
self.assertEqual(otp.issuer, "Example")
self.assertEqual(otp.alg, "sha1") # default
self.assertEqual(otp.period, 30) # default
self.assertEqual(otp.digits, 6) # default
#--------------------------------------------------------------------------------
# metadata
#--------------------------------------------------------------------------------
# missing version
self.assertRaises(ValueError, from_dict, dict(type="totp", key=KEY4))
# invalid version
self.assertRaises(ValueError, from_dict, dict(v=0, type="totp", key=KEY4))
self.assertRaises(ValueError, from_dict, dict(v=999, type="totp", key=KEY4))
# missing type
self.assertRaises(ValueError, from_dict, dict(v=1, key=KEY4))
#--------------------------------------------------------------------------------
# secret param
#--------------------------------------------------------------------------------
# secret case insensitive
otp = from_dict(dict(v=1, type="totp", key=KEY4.lower(), label="alice@google.com", issuer="Example"))
self.assertEqual(otp.key, KEY4_RAW)
# missing secret
self.assertRaises(ValueError, from_dict, dict(v=1, type="totp"))
# undecodable secret
self.assertRaises(Base32DecodeError, from_dict,
dict(v=1, type="totp", key="JBSWY3DPEHP@3PXP"))
#--------------------------------------------------------------------------------
# label & issuer params
#--------------------------------------------------------------------------------
otp = from_dict(dict(v=1, type="totp", key=KEY4, label="Alice Smith", issuer="Provider1"))
self.assertEqual(otp.label, "Alice Smith")
self.assertEqual(otp.issuer, "Provider1")
#--------------------------------------------------------------------------------
# algorithm param
#--------------------------------------------------------------------------------
# custom alg
otp = from_dict(dict(v=1, type="totp", key=KEY4, alg="sha256"))
self.assertEqual(otp.alg, "sha256")
# unknown alg
self.assertRaises(ValueError, from_dict, dict(v=1, type="totp", key=KEY4, alg="sha333"))
#--------------------------------------------------------------------------------
# digit param
#--------------------------------------------------------------------------------
# custom digits
otp = from_dict(dict(v=1, type="totp", key=KEY4, digits=8))
self.assertEqual(otp.digits, 8)
# digits out of range / invalid
self.assertRaises(TypeError, from_dict, dict(v=1, type="totp", key=KEY4, digits="A"))
self.assertRaises(ValueError, from_dict, dict(v=1, type="totp", key=KEY4, digits=15))
#--------------------------------------------------------------------------------
# period param
#--------------------------------------------------------------------------------
# custom period
otp = from_dict(dict(v=1, type="totp", key=KEY4, period=63))
self.assertEqual(otp.period, 63)
# reject period < 1
self.assertRaises(ValueError, from_dict, dict(v=1, type="totp", key=KEY4, period=0))
self.assertRaises(ValueError, from_dict, dict(v=1, type="totp", key=KEY4, period=-1))
#--------------------------------------------------------------------------------
# unrecognized param
#--------------------------------------------------------------------------------
self.assertRaises(TypeError, from_dict, dict(v=1, type="totp", key=KEY4, INVALID=123))
def test_to_dict(self):
"""to_dict()"""
#-------------------------------------------------------------------------
# label & issuer parameters
#-------------------------------------------------------------------------
# without label or issuer
otp = TOTP(KEY4, alg="sha1", digits=6, period=30)
self.assertEqual(otp.to_dict(), dict(v=1, type="totp", key=KEY4))
# with label & issuer from constructor
otp = TOTP(KEY4, alg="sha1", digits=6, period=30,
label="alice@google.com", issuer="Example Org")
self.assertEqual(otp.to_dict(),
dict(v=1, type="totp", key=KEY4,
label="alice@google.com", issuer="Example Org"))
# with label only
otp = TOTP(KEY4, alg="sha1", digits=6, period=30,
label="alice@google.com")
self.assertEqual(otp.to_dict(),
dict(v=1, type="totp", key=KEY4,
label="alice@google.com"))
# with issuer only
otp = TOTP(KEY4, alg="sha1", digits=6, period=30,
issuer="Example Org")
self.assertEqual(otp.to_dict(),
dict(v=1, type="totp", key=KEY4,
issuer="Example Org"))
# don't serialize default issuer
TotpFactory = TOTP.using(issuer="Example Org")
otp = TotpFactory(KEY4)
self.assertEqual(otp.to_dict(), dict(v=1, type="totp", key=KEY4))
# don't serialize default issuer *even if explicitly set*
otp = TotpFactory(KEY4, issuer="Example Org")
self.assertEqual(otp.to_dict(), dict(v=1, type="totp", key=KEY4))
#-------------------------------------------------------------------------
# algorithm parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, alg="sha256").to_dict(),
dict(v=1, type="totp", key=KEY4, alg="sha256"))
#-------------------------------------------------------------------------
# digits parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, digits=8).to_dict(),
dict(v=1, type="totp", key=KEY4, digits=8))
#-------------------------------------------------------------------------
# period parameter
#-------------------------------------------------------------------------
self.assertEqual(TOTP(KEY4, period=63).to_dict(),
dict(v=1, type="totp", key=KEY4, period=63))
# TODO: to_dict()
# with encrypt=False
# with encrypt="auto" + wallet + secrets
# with encrypt="auto" + wallet + no secrets
# with encrypt="auto" + no wallet
# with encrypt=True + wallet + secrets
# with encrypt=True + wallet + no secrets
# with encrypt=True + no wallet
# that 'changed' is set for old versions, and old encryption tags.
#=============================================================================
# json serialization tests
#=============================================================================
# TODO: from_json() / to_json().
# (skipped for right now cause just wrapper for from_dict/to_dict)
#=============================================================================
# eoc
#=============================================================================
#=============================================================================
# eof
#=============================================================================