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test.py
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#!/usr/bin/env python
import base64
import datetime
import hashlib
import os
import sys
import unittest
from urllib.parse import parse_qsl, urlparse
from warnings import warn
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "src"))
import pyotp # noqa
class HOTPExampleValuesFromTheRFC(unittest.TestCase):
def test_match_rfc(self):
# 12345678901234567890 in Bas32
# GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ
hotp = pyotp.HOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
self.assertEqual(hotp.at(0), "755224")
self.assertEqual(hotp.at(1), "287082")
self.assertEqual(hotp.at(2), "359152")
self.assertEqual(hotp.at(3), "969429")
self.assertEqual(hotp.at(4), "338314")
self.assertEqual(hotp.at(5), "254676")
self.assertEqual(hotp.at(6), "287922")
self.assertEqual(hotp.at(7), "162583")
self.assertEqual(hotp.at(8), "399871")
self.assertEqual(hotp.at(9), "520489")
def test_invalid_input(self):
hotp = pyotp.HOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
with self.assertRaises(ValueError):
hotp.at(-1)
def test_verify_otp_reuse(self):
hotp = pyotp.HOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
self.assertTrue(hotp.verify("520489", 9))
self.assertFalse(hotp.verify("520489", 10))
self.assertFalse(hotp.verify("520489", 10))
def test_provisioning_uri(self):
hotp = pyotp.HOTP("wrn3pqx5uqxqvnqr", name="mark@percival")
url = urlparse(hotp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "hotp")
self.assertEqual(url.path, "/mark%40percival")
self.assertEqual(dict(parse_qsl(url.query)), {"secret": "wrn3pqx5uqxqvnqr", "counter": "0"})
self.assertEqual(hotp.provisioning_uri(), pyotp.parse_uri(hotp.provisioning_uri()).provisioning_uri())
hotp = pyotp.HOTP("wrn3pqx5uqxqvnqr", name="mark@percival", initial_count=12)
url = urlparse(hotp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "hotp")
self.assertEqual(url.path, "/mark%40percival")
self.assertEqual(dict(parse_qsl(url.query)), {"secret": "wrn3pqx5uqxqvnqr", "counter": "12"})
self.assertEqual(hotp.provisioning_uri(), pyotp.parse_uri(hotp.provisioning_uri()).provisioning_uri())
hotp = pyotp.HOTP("wrn3pqx5uqxqvnqr", name="mark@percival", issuer="FooCorp!")
url = urlparse(hotp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "hotp")
self.assertEqual(url.path, "/FooCorp%21:mark%40percival")
self.assertEqual(
dict(parse_qsl(url.query)), {"secret": "wrn3pqx5uqxqvnqr", "counter": "0", "issuer": "FooCorp!"}
)
self.assertEqual(hotp.provisioning_uri(), pyotp.parse_uri(hotp.provisioning_uri()).provisioning_uri())
key = "c7uxuqhgflpw7oruedmglbrk7u6242vb"
hotp = pyotp.HOTP(key, digits=8, digest=hashlib.sha256, name="baco@peperina", issuer="FooCorp")
url = urlparse(hotp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "hotp")
self.assertEqual(url.path, "/FooCorp:baco%40peperina")
self.assertEqual(
dict(parse_qsl(url.query)),
{
"secret": "c7uxuqhgflpw7oruedmglbrk7u6242vb",
"counter": "0",
"issuer": "FooCorp",
"digits": "8",
"algorithm": "SHA256",
},
)
self.assertEqual(hotp.provisioning_uri(), pyotp.parse_uri(hotp.provisioning_uri()).provisioning_uri())
hotp = pyotp.HOTP(key, digits=8, name="baco@peperina", issuer="Foo Corp", initial_count=10)
url = urlparse(hotp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "hotp")
self.assertEqual(url.path, "/Foo%20Corp:baco%40peperina")
self.assertEqual(
dict(parse_qsl(url.query)),
{"secret": "c7uxuqhgflpw7oruedmglbrk7u6242vb", "counter": "10", "issuer": "Foo Corp", "digits": "8"},
)
self.assertEqual(hotp.provisioning_uri(), pyotp.parse_uri(hotp.provisioning_uri()).provisioning_uri())
code = pyotp.totp.TOTP("S46SQCPPTCNPROMHWYBDCTBZXV")
self.assertEqual(code.provisioning_uri(), "otpauth://totp/Secret?secret=S46SQCPPTCNPROMHWYBDCTBZXV")
code.verify("123456")
self.assertEqual(code.provisioning_uri(), "otpauth://totp/Secret?secret=S46SQCPPTCNPROMHWYBDCTBZXV")
def test_other_secret(self):
hotp = pyotp.HOTP("N3OVNIBRERIO5OHGVCMDGS4V4RJ3AUZOUN34J6FRM4P6JIFCG3ZA")
self.assertEqual(hotp.at(0), "737863")
self.assertEqual(hotp.at(1), "390601")
self.assertEqual(hotp.at(2), "363354")
self.assertEqual(hotp.at(3), "936780")
self.assertEqual(hotp.at(4), "654019")
class TOTPExampleValuesFromTheRFC(unittest.TestCase):
RFC_VALUES = {
(hashlib.sha1, b"12345678901234567890"): (
(59, "94287082"),
(1111111109, "07081804"),
(1111111111, "14050471"),
(1234567890, "89005924"),
(2000000000, "69279037"),
(20000000000, "65353130"),
),
(hashlib.sha256, b"12345678901234567890123456789012"): (
(59, 46119246),
(1111111109, "68084774"),
(1111111111, "67062674"),
(1234567890, "91819424"),
(2000000000, "90698825"),
(20000000000, "77737706"),
),
(hashlib.sha512, b"1234567890123456789012345678901234567890123456789012345678901234"): (
(59, 90693936),
(1111111109, "25091201"),
(1111111111, "99943326"),
(1234567890, "93441116"),
(2000000000, "38618901"),
(20000000000, "47863826"),
),
}
def test_match_rfc(self):
for digest, secret in self.RFC_VALUES:
totp = pyotp.TOTP(base64.b32encode(secret), 8, digest)
for utime, code in self.RFC_VALUES[(digest, secret)]:
if utime > sys.maxsize:
warn(
"32-bit platforms use native functions to handle timestamps, so they fail this test"
+ " (and will fail after 19 January 2038)"
)
continue
value = totp.at(utime)
msg = "%s != %s (%s, time=%d)"
msg %= (value, code, digest().name, utime)
self.assertEqual(value, str(code), msg)
def test_match_rfc_digit_length(self):
totp = pyotp.TOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
self.assertEqual(totp.at(1111111111), "050471")
self.assertEqual(totp.at(1234567890), "005924")
self.assertEqual(totp.at(2000000000), "279037")
def test_match_google_authenticator_output(self):
totp = pyotp.TOTP("wrn3pqx5uqxqvnqr")
with Timecop(1297553958):
self.assertEqual(totp.now(), "102705")
def test_validate_totp(self):
totp = pyotp.TOTP("wrn3pqx5uqxqvnqr")
with Timecop(1297553958):
self.assertTrue(totp.verify("102705"))
self.assertTrue(totp.verify("102705"))
with Timecop(1297553958 + 30):
self.assertFalse(totp.verify("102705"))
def test_input_before_epoch(self):
totp = pyotp.TOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
# -1 and -29.5 round down to 0 (epoch)
self.assertEqual(totp.at(-1), "755224")
self.assertEqual(totp.at(-29.5), "755224")
with self.assertRaises(ValueError):
totp.at(-30)
def test_validate_totp_with_digit_length(self):
totp = pyotp.TOTP("GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ")
with Timecop(1111111111):
self.assertTrue(totp.verify("050471"))
with Timecop(1297553958 + 30):
self.assertFalse(totp.verify("050471"))
def test_provisioning_uri(self):
totp = pyotp.TOTP("wrn3pqx5uqxqvnqr", name="mark@percival")
url = urlparse(totp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "totp")
self.assertEqual(url.path, "/mark%40percival")
self.assertEqual(dict(parse_qsl(url.query)), {"secret": "wrn3pqx5uqxqvnqr"})
self.assertEqual(totp.provisioning_uri(), pyotp.parse_uri(totp.provisioning_uri()).provisioning_uri())
totp = pyotp.TOTP("wrn3pqx5uqxqvnqr", name="mark@percival", issuer="FooCorp!")
url = urlparse(totp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "totp")
self.assertEqual(url.path, "/FooCorp%21:mark%40percival")
self.assertEqual(dict(parse_qsl(url.query)), {"secret": "wrn3pqx5uqxqvnqr", "issuer": "FooCorp!"})
self.assertEqual(totp.provisioning_uri(), pyotp.parse_uri(totp.provisioning_uri()).provisioning_uri())
key = "c7uxuqhgflpw7oruedmglbrk7u6242vb"
totp = pyotp.TOTP(key, digits=8, interval=60, digest=hashlib.sha256, name="baco@peperina", issuer="FooCorp")
url = urlparse(totp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "totp")
self.assertEqual(url.path, "/FooCorp:baco%40peperina")
self.assertEqual(
dict(parse_qsl(url.query)),
{
"secret": "c7uxuqhgflpw7oruedmglbrk7u6242vb",
"issuer": "FooCorp",
"digits": "8",
"period": "60",
"algorithm": "SHA256",
},
)
self.assertEqual(totp.provisioning_uri(), pyotp.parse_uri(totp.provisioning_uri()).provisioning_uri())
totp = pyotp.TOTP(key, digits=8, interval=60, name="baco@peperina", issuer="FooCorp")
url = urlparse(totp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "totp")
self.assertEqual(url.path, "/FooCorp:baco%40peperina")
self.assertEqual(
dict(parse_qsl(url.query)),
{"secret": "c7uxuqhgflpw7oruedmglbrk7u6242vb", "issuer": "FooCorp", "digits": "8", "period": "60"},
)
self.assertEqual(totp.provisioning_uri(), pyotp.parse_uri(totp.provisioning_uri()).provisioning_uri())
totp = pyotp.TOTP(key, digits=8, name="baco@peperina", issuer="FooCorp")
url = urlparse(totp.provisioning_uri())
self.assertEqual(url.scheme, "otpauth")
self.assertEqual(url.netloc, "totp")
self.assertEqual(url.path, "/FooCorp:baco%40peperina")
self.assertEqual(
dict(parse_qsl(url.query)),
{"secret": "c7uxuqhgflpw7oruedmglbrk7u6242vb", "issuer": "FooCorp", "digits": "8"},
)
self.assertEqual(totp.provisioning_uri(), pyotp.parse_uri(totp.provisioning_uri()).provisioning_uri())
def test_random_key_generation(self):
self.assertEqual(len(pyotp.random_base32()), 32)
self.assertEqual(len(pyotp.random_base32(length=34)), 34)
self.assertEqual(len(pyotp.random_hex()), 40)
self.assertEqual(len(pyotp.random_hex(length=42)), 42)
with self.assertRaises(ValueError):
pyotp.random_base32(length=31)
with self.assertRaises(ValueError):
pyotp.random_hex(length=39)
class SteamTOTP(unittest.TestCase):
def test_match_examples(self):
steam = pyotp.contrib.Steam("BASE32SECRET3232")
self.assertEqual(steam.at(0), "2TC8B")
self.assertEqual(steam.at(30), "YKKK4")
self.assertEqual(steam.at(60), "M4HQB")
self.assertEqual(steam.at(90), "DTVB3")
steam = pyotp.contrib.Steam("FMXNK4QEGKVPULRTADY6JIDK5VHUBGZW")
self.assertEqual(steam.at(0), "C5V56")
self.assertEqual(steam.at(30), "QJY8Y")
self.assertEqual(steam.at(60), "R3WQY")
self.assertEqual(steam.at(90), "JG3T3")
def test_verify(self):
steam = pyotp.contrib.Steam("BASE32SECRET3232")
with Timecop(1662883100):
self.assertTrue(steam.verify("N3G63"))
with Timecop(1662883100 + 30):
self.assertFalse(steam.verify("N3G63"))
with Timecop(946681223):
self.assertTrue(steam.verify("7VP3X"))
with Timecop(946681223 + 30):
self.assertFalse(steam.verify("7VP3X"))
steam = pyotp.contrib.Steam("FMXNK4QEGKVPULRTADY6JIDK5VHUBGZW")
with Timecop(1662884261):
self.assertTrue(steam.verify("V6WKJ"))
with Timecop(1662884261 + 30):
self.assertFalse(steam.verify("V6WKJ"))
with Timecop(946681223):
self.assertTrue(steam.verify("4MK54"))
with Timecop(946681223 + 30):
self.assertFalse(steam.verify("4MK54"))
class CompareDigestTest(unittest.TestCase):
method = staticmethod(pyotp.utils.compare_digest)
def test_comparisons(self):
self.assertTrue(self.method("", ""))
self.assertTrue(self.method("a", "a"))
self.assertTrue(self.method("a" * 1000, "a" * 1000))
self.assertFalse(self.method("", "a"))
self.assertFalse(self.method("a", ""))
self.assertFalse(self.method("a" * 999 + "b", "a" * 1000))
class StringComparisonTest(CompareDigestTest):
method = staticmethod(pyotp.utils.strings_equal)
def test_fullwidth_input(self):
self.assertTrue(self.method("ｘs１２３45", "xs12345"))
def test_unicode_equal(self):
self.assertTrue(self.method("ěšč45", "ěšč45"))
class CounterOffsetTest(unittest.TestCase):
def test_counter_offset(self):
totp = pyotp.TOTP("ABCDEFGH")
self.assertEqual(totp.at(200), "028307")
self.assertTrue(totp.at(200, 1), "681610")
class ValidWindowTest(unittest.TestCase):
def test_valid_window(self):
totp = pyotp.TOTP("ABCDEFGH")
self.assertTrue(totp.verify("451564", 200, 1))
self.assertTrue(totp.verify("028307", 200, 1))
self.assertTrue(totp.verify("681610", 200, 1))
self.assertFalse(totp.verify("195979", 200, 1))
class DigestFunctionTest(unittest.TestCase):
def test_md5(self):
with self.assertRaises(ValueError) as cm:
pyotp.OTP(s="secret", digest=hashlib.md5)
self.assertEqual("selected digest function must generate digest size greater than or equals to 18 bytes", str(cm.exception))
def test_shake128(self):
with self.assertRaises(ValueError) as cm:
pyotp.OTP(s="secret", digest=hashlib.shake_128)
self.assertEqual("selected digest function must generate digest size greater than or equals to 18 bytes", str(cm.exception))
class ParseUriTest(unittest.TestCase):
def test_invalids(self):
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("http://hello.com")
self.assertEqual("Not an otpauth URI", str(cm.exception))
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("otpauth://totp")
self.assertEqual("No secret found in URI", str(cm.exception))
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("otpauth://derp?secret=foo")
self.assertEqual("Not a supported OTP type", str(cm.exception))
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("otpauth://totp?digits=-1")
self.assertEqual("Digits may only be 6, 7, or 8", str(cm.exception))
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("otpauth://totp/SomeIssuer:?issuer=AnotherIssuer")
self.assertEqual("If issuer is specified in both label and parameters, it should be equal.", str(cm.exception))
with self.assertRaises(ValueError) as cm:
pyotp.parse_uri("otpauth://totp?algorithm=aes")
self.assertEqual("Invalid value for algorithm, must be SHA1, SHA256 or SHA512", str(cm.exception))
def test_parse_steam(self):
otp = pyotp.parse_uri("otpauth://totp/Steam:?secret=SOME_SECRET&encoder=steam")
self.assertEqual(type(otp), pyotp.contrib.Steam)
otp = pyotp.parse_uri("otpauth://totp/Steam:?secret=SOME_SECRET")
self.assertNotEqual(type(otp), pyotp.contrib.Steam)
@unittest.skipIf(sys.version_info < (3, 6), "Skipping test that requires deterministic dict key enumeration")
def test_algorithms(self):
otp = pyotp.parse_uri("otpauth://totp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA1")
self.assertEqual(hashlib.sha1, otp.digest)
self.assertEqual(otp.at(0), "734055")
self.assertEqual(otp.at(30), "662488")
self.assertEqual(otp.at(60), "289363")
self.assertEqual(otp.provisioning_uri(), "otpauth://totp/Secret?secret=GEZDGNBV")
self.assertEqual(otp.provisioning_uri(name="n", issuer_name="i"), "otpauth://totp/i:n?secret=GEZDGNBV&issuer=i")
otp = pyotp.parse_uri("otpauth://totp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA1&period=60")
self.assertEqual(hashlib.sha1, otp.digest)
self.assertEqual(otp.at(30), "734055")
self.assertEqual(otp.at(60), "662488")
self.assertEqual(
otp.provisioning_uri(name="n", issuer_name="i"), "otpauth://totp/i:n?secret=GEZDGNBV&issuer=i&period=60"
)
otp = pyotp.parse_uri("otpauth://hotp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA1")
self.assertEqual(hashlib.sha1, otp.digest)
self.assertEqual(otp.at(0), "734055")
self.assertEqual(otp.at(1), "662488")
self.assertEqual(otp.at(2), "289363")
self.assertEqual(
otp.provisioning_uri(name="n", issuer_name="i"), "otpauth://hotp/i:n?secret=GEZDGNBV&issuer=i&counter=0"
)
otp = pyotp.parse_uri("otpauth://hotp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA1&counter=1")
self.assertEqual(hashlib.sha1, otp.digest)
self.assertEqual(otp.at(0), "662488")
self.assertEqual(otp.at(1), "289363")
self.assertEqual(
otp.provisioning_uri(name="n", issuer_name="i"), "otpauth://hotp/i:n?secret=GEZDGNBV&issuer=i&counter=1"
)
otp = pyotp.parse_uri("otpauth://totp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA256")
self.assertEqual(hashlib.sha256, otp.digest)
self.assertEqual(otp.at(0), "918961")
self.assertEqual(otp.at(9000), "934470")
otp = pyotp.parse_uri("otpauth://totp?algorithm=SHA1&secret=GEZDGNBV&algorithm=SHA512")
self.assertEqual(hashlib.sha512, otp.digest)
self.assertEqual(otp.at(0), "816660")
self.assertEqual(otp.at(9000), "524153")
self.assertEqual(
otp.provisioning_uri(name="n", issuer_name="i", image="https://test.net/test.png"),
"otpauth://totp/i:n?secret=GEZDGNBV&issuer=i&algorithm=SHA512&image=https%3A%2F%2Ftest.net%2Ftest.png",
)
with self.assertRaises(ValueError):
otp.provisioning_uri(name="n", issuer_name="i", image="nourl")
otp = pyotp.parse_uri(otp.provisioning_uri(name="n", issuer_name="i", image="https://test.net/test.png"))
self.assertEqual(hashlib.sha512, otp.digest)
otp = pyotp.parse_uri("otpauth://totp/Steam:?secret=FMXNK4QEGKVPULRTADY6JIDK5VHUBGZW&encoder=steam")
self.assertEqual(type(otp), pyotp.contrib.Steam)
self.assertEqual(otp.at(0), "C5V56")
self.assertEqual(otp.at(30), "QJY8Y")
self.assertEqual(otp.at(60), "R3WQY")
self.assertEqual(otp.at(90), "JG3T3")
# period and digits should be ignored
otp = pyotp.parse_uri(
"otpauth://totp/Steam:?secret=FMXNK4QEGKVPULRTADY6JIDK5VHUBGZW&period=15&digits=7&encoder=steam"
)
self.assertEqual(type(otp), pyotp.contrib.Steam)
self.assertEqual(otp.at(0), "C5V56")
self.assertEqual(otp.at(30), "QJY8Y")
self.assertEqual(otp.at(60), "R3WQY")
self.assertEqual(otp.at(90), "JG3T3")
pyotp.parse_uri("otpauth://totp?secret=abc&image=foobar")
class Timecop(object):
"""
Half-assed clone of timecop.rb, just enough to pass our tests.
"""
def __init__(self, freeze_timestamp):
self.freeze_timestamp = freeze_timestamp
def __enter__(self):
self.real_datetime = datetime.datetime
datetime.datetime = self.frozen_datetime()
def __exit__(self, type, value, traceback):
datetime.datetime = self.real_datetime
def frozen_datetime(self):
class FrozenDateTime(datetime.datetime):
@classmethod
def now(cls, **kwargs):
return cls.fromtimestamp(timecop.freeze_timestamp)
timecop = self
return FrozenDateTime
if __name__ == "__main__":
unittest.main()