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871 lines
31 KiB
871 lines
31 KiB
3 years ago
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"""tests for passlib.hash -- (c) Assurance Technologies 2003-2009"""
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#=============================================================================
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# imports
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#=============================================================================
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from __future__ import with_statement
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# core
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import re
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import hashlib
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from logging import getLogger
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import warnings
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# site
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# pkg
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from passlib.hash import ldap_md5, sha256_crypt
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from passlib.exc import MissingBackendError, PasslibHashWarning
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from passlib.utils.compat import str_to_uascii, \
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uascii_to_str, unicode
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import passlib.utils.handlers as uh
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from passlib.tests.utils import HandlerCase, TestCase
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from passlib.utils.compat import u
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# module
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log = getLogger(__name__)
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#=============================================================================
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# utils
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#=============================================================================
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def _makelang(alphabet, size):
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"""generate all strings of given size using alphabet"""
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def helper(size):
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if size < 2:
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for char in alphabet:
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yield char
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else:
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for char in alphabet:
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for tail in helper(size-1):
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yield char+tail
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return set(helper(size))
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#=============================================================================
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# test GenericHandler & associates mixin classes
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#=============================================================================
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class SkeletonTest(TestCase):
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"""test hash support classes"""
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#===================================================================
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# StaticHandler
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#===================================================================
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def test_00_static_handler(self):
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"""test StaticHandler class"""
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class d1(uh.StaticHandler):
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name = "d1"
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context_kwds = ("flag",)
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_hash_prefix = u("_")
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checksum_chars = u("ab")
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checksum_size = 1
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def __init__(self, flag=False, **kwds):
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super(d1, self).__init__(**kwds)
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self.flag = flag
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def _calc_checksum(self, secret):
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return u('b') if self.flag else u('a')
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# check default identify method
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self.assertTrue(d1.identify(u('_a')))
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self.assertTrue(d1.identify(b'_a'))
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self.assertTrue(d1.identify(u('_b')))
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self.assertFalse(d1.identify(u('_c')))
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self.assertFalse(d1.identify(b'_c'))
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self.assertFalse(d1.identify(u('a')))
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self.assertFalse(d1.identify(u('b')))
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self.assertFalse(d1.identify(u('c')))
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self.assertRaises(TypeError, d1.identify, None)
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self.assertRaises(TypeError, d1.identify, 1)
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# check default genconfig method
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self.assertEqual(d1.genconfig(), d1.hash(""))
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# check default verify method
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self.assertTrue(d1.verify('s', b'_a'))
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self.assertTrue(d1.verify('s',u('_a')))
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self.assertFalse(d1.verify('s', b'_b'))
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self.assertFalse(d1.verify('s',u('_b')))
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self.assertTrue(d1.verify('s', b'_b', flag=True))
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self.assertRaises(ValueError, d1.verify, 's', b'_c')
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self.assertRaises(ValueError, d1.verify, 's', u('_c'))
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# check default hash method
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self.assertEqual(d1.hash('s'), '_a')
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self.assertEqual(d1.hash('s', flag=True), '_b')
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def test_01_calc_checksum_hack(self):
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"""test StaticHandler legacy attr"""
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# release 1.5 StaticHandler required genhash(),
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# not _calc_checksum, be implemented. we have backward compat wrapper,
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# this tests that it works.
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class d1(uh.StaticHandler):
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name = "d1"
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@classmethod
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def identify(cls, hash):
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if not hash or len(hash) != 40:
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return False
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try:
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int(hash, 16)
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except ValueError:
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return False
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return True
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@classmethod
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def genhash(cls, secret, hash):
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if secret is None:
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raise TypeError("no secret provided")
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if isinstance(secret, unicode):
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secret = secret.encode("utf-8")
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# NOTE: have to support hash=None since this is test of legacy 1.5 api
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if hash is not None and not cls.identify(hash):
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raise ValueError("invalid hash")
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return hashlib.sha1(b"xyz" + secret).hexdigest()
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@classmethod
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def verify(cls, secret, hash):
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if hash is None:
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raise ValueError("no hash specified")
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return cls.genhash(secret, hash) == hash.lower()
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# hash should issue api warnings, but everything else should be fine.
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with self.assertWarningList("d1.*should be updated.*_calc_checksum"):
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hash = d1.hash("test")
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self.assertEqual(hash, '7c622762588a0e5cc786ad0a143156f9fd38eea3')
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self.assertTrue(d1.verify("test", hash))
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self.assertFalse(d1.verify("xtest", hash))
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# not defining genhash either, however, should cause NotImplementedError
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del d1.genhash
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self.assertRaises(NotImplementedError, d1.hash, 'test')
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#===================================================================
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# GenericHandler & mixins
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#===================================================================
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def test_10_identify(self):
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"""test GenericHandler.identify()"""
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class d1(uh.GenericHandler):
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@classmethod
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def from_string(cls, hash):
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if isinstance(hash, bytes):
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hash = hash.decode("ascii")
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if hash == u('a'):
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return cls(checksum=hash)
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else:
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raise ValueError
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# check fallback
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self.assertRaises(TypeError, d1.identify, None)
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self.assertRaises(TypeError, d1.identify, 1)
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self.assertFalse(d1.identify(''))
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self.assertTrue(d1.identify('a'))
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self.assertFalse(d1.identify('b'))
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# check regexp
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d1._hash_regex = re.compile(u('@.'))
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self.assertRaises(TypeError, d1.identify, None)
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self.assertRaises(TypeError, d1.identify, 1)
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self.assertTrue(d1.identify('@a'))
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self.assertFalse(d1.identify('a'))
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del d1._hash_regex
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# check ident-based
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d1.ident = u('!')
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self.assertRaises(TypeError, d1.identify, None)
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self.assertRaises(TypeError, d1.identify, 1)
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self.assertTrue(d1.identify('!a'))
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self.assertFalse(d1.identify('a'))
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del d1.ident
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def test_11_norm_checksum(self):
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"""test GenericHandler checksum handling"""
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# setup helpers
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class d1(uh.GenericHandler):
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name = 'd1'
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checksum_size = 4
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checksum_chars = u('xz')
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def norm_checksum(checksum=None, **k):
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return d1(checksum=checksum, **k).checksum
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# too small
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self.assertRaises(ValueError, norm_checksum, u('xxx'))
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# right size
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self.assertEqual(norm_checksum(u('xxxx')), u('xxxx'))
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self.assertEqual(norm_checksum(u('xzxz')), u('xzxz'))
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# too large
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self.assertRaises(ValueError, norm_checksum, u('xxxxx'))
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# wrong chars
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self.assertRaises(ValueError, norm_checksum, u('xxyx'))
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# wrong type
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self.assertRaises(TypeError, norm_checksum, b'xxyx')
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# relaxed
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# NOTE: this could be turned back on if we test _norm_checksum() directly...
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#with self.assertWarningList("checksum should be unicode"):
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# self.assertEqual(norm_checksum(b'xxzx', relaxed=True), u('xxzx'))
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#self.assertRaises(TypeError, norm_checksum, 1, relaxed=True)
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# test _stub_checksum behavior
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self.assertEqual(d1()._stub_checksum, u('xxxx'))
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def test_12_norm_checksum_raw(self):
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"""test GenericHandler + HasRawChecksum mixin"""
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class d1(uh.HasRawChecksum, uh.GenericHandler):
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name = 'd1'
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checksum_size = 4
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def norm_checksum(*a, **k):
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return d1(*a, **k).checksum
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# test bytes
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self.assertEqual(norm_checksum(b'1234'), b'1234')
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# test unicode
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self.assertRaises(TypeError, norm_checksum, u('xxyx'))
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# NOTE: this could be turned back on if we test _norm_checksum() directly...
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# self.assertRaises(TypeError, norm_checksum, u('xxyx'), relaxed=True)
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# test _stub_checksum behavior
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self.assertEqual(d1()._stub_checksum, b'\x00'*4)
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def test_20_norm_salt(self):
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"""test GenericHandler + HasSalt mixin"""
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# setup helpers
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class d1(uh.HasSalt, uh.GenericHandler):
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name = 'd1'
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setting_kwds = ('salt',)
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min_salt_size = 2
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max_salt_size = 4
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default_salt_size = 3
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salt_chars = 'ab'
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def norm_salt(**k):
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return d1(**k).salt
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def gen_salt(sz, **k):
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return d1.using(salt_size=sz, **k)(use_defaults=True).salt
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salts2 = _makelang('ab', 2)
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salts3 = _makelang('ab', 3)
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salts4 = _makelang('ab', 4)
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# check salt=None
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self.assertRaises(TypeError, norm_salt)
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self.assertRaises(TypeError, norm_salt, salt=None)
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self.assertIn(norm_salt(use_defaults=True), salts3)
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# check explicit salts
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with warnings.catch_warnings(record=True) as wlog:
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# check too-small salts
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self.assertRaises(ValueError, norm_salt, salt='')
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self.assertRaises(ValueError, norm_salt, salt='a')
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self.consumeWarningList(wlog)
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# check correct salts
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self.assertEqual(norm_salt(salt='ab'), 'ab')
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self.assertEqual(norm_salt(salt='aba'), 'aba')
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self.assertEqual(norm_salt(salt='abba'), 'abba')
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self.consumeWarningList(wlog)
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# check too-large salts
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self.assertRaises(ValueError, norm_salt, salt='aaaabb')
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self.consumeWarningList(wlog)
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# check generated salts
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with warnings.catch_warnings(record=True) as wlog:
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# check too-small salt size
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self.assertRaises(ValueError, gen_salt, 0)
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self.assertRaises(ValueError, gen_salt, 1)
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self.consumeWarningList(wlog)
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# check correct salt size
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self.assertIn(gen_salt(2), salts2)
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self.assertIn(gen_salt(3), salts3)
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self.assertIn(gen_salt(4), salts4)
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self.consumeWarningList(wlog)
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# check too-large salt size
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self.assertRaises(ValueError, gen_salt, 5)
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self.consumeWarningList(wlog)
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self.assertIn(gen_salt(5, relaxed=True), salts4)
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self.consumeWarningList(wlog, ["salt_size.*above max_salt_size"])
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# test with max_salt_size=None
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del d1.max_salt_size
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with self.assertWarningList([]):
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self.assertEqual(len(gen_salt(None)), 3)
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self.assertEqual(len(gen_salt(5)), 5)
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# TODO: test HasRawSalt mixin
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def test_30_init_rounds(self):
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"""test GenericHandler + HasRounds mixin"""
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# setup helpers
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class d1(uh.HasRounds, uh.GenericHandler):
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name = 'd1'
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setting_kwds = ('rounds',)
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min_rounds = 1
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max_rounds = 3
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default_rounds = 2
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# NOTE: really is testing _init_rounds(), could dup to test _norm_rounds() via .replace
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def norm_rounds(**k):
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return d1(**k).rounds
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# check rounds=None
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self.assertRaises(TypeError, norm_rounds)
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self.assertRaises(TypeError, norm_rounds, rounds=None)
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self.assertEqual(norm_rounds(use_defaults=True), 2)
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# check rounds=non int
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self.assertRaises(TypeError, norm_rounds, rounds=1.5)
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# check explicit rounds
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with warnings.catch_warnings(record=True) as wlog:
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# too small
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self.assertRaises(ValueError, norm_rounds, rounds=0)
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self.consumeWarningList(wlog)
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# just right
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self.assertEqual(norm_rounds(rounds=1), 1)
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self.assertEqual(norm_rounds(rounds=2), 2)
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self.assertEqual(norm_rounds(rounds=3), 3)
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self.consumeWarningList(wlog)
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# too large
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self.assertRaises(ValueError, norm_rounds, rounds=4)
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self.consumeWarningList(wlog)
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# check no default rounds
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d1.default_rounds = None
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self.assertRaises(TypeError, norm_rounds, use_defaults=True)
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def test_40_backends(self):
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"""test GenericHandler + HasManyBackends mixin"""
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class d1(uh.HasManyBackends, uh.GenericHandler):
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name = 'd1'
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setting_kwds = ()
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backends = ("a", "b")
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_enable_a = False
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_enable_b = False
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@classmethod
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def _load_backend_a(cls):
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if cls._enable_a:
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cls._set_calc_checksum_backend(cls._calc_checksum_a)
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return True
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else:
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return False
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|
|
|
||
|
|
@classmethod
|
||
|
|
def _load_backend_b(cls):
|
||
|
|
if cls._enable_b:
|
||
|
|
cls._set_calc_checksum_backend(cls._calc_checksum_b)
|
||
|
|
return True
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def _calc_checksum_a(self, secret):
|
||
|
|
return 'a'
|
||
|
|
|
||
|
|
def _calc_checksum_b(self, secret):
|
||
|
|
return 'b'
|
||
|
|
|
||
|
|
# test no backends
|
||
|
|
self.assertRaises(MissingBackendError, d1.get_backend)
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend)
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'any')
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'default')
|
||
|
|
self.assertFalse(d1.has_backend())
|
||
|
|
|
||
|
|
# enable 'b' backend
|
||
|
|
d1._enable_b = True
|
||
|
|
|
||
|
|
# test lazy load
|
||
|
|
obj = d1()
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'b')
|
||
|
|
|
||
|
|
# test repeat load
|
||
|
|
d1.set_backend('b')
|
||
|
|
d1.set_backend('any')
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'b')
|
||
|
|
|
||
|
|
# test unavailable
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'a')
|
||
|
|
self.assertTrue(d1.has_backend('b'))
|
||
|
|
self.assertFalse(d1.has_backend('a'))
|
||
|
|
|
||
|
|
# enable 'a' backend also
|
||
|
|
d1._enable_a = True
|
||
|
|
|
||
|
|
# test explicit
|
||
|
|
self.assertTrue(d1.has_backend())
|
||
|
|
d1.set_backend('a')
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'a')
|
||
|
|
|
||
|
|
# test unknown backend
|
||
|
|
self.assertRaises(ValueError, d1.set_backend, 'c')
|
||
|
|
self.assertRaises(ValueError, d1.has_backend, 'c')
|
||
|
|
|
||
|
|
# test error thrown if _has & _load are mixed
|
||
|
|
d1.set_backend("b") # switch away from 'a' so next call actually checks loader
|
||
|
|
class d2(d1):
|
||
|
|
_has_backend_a = True
|
||
|
|
self.assertRaises(AssertionError, d2.has_backend, "a")
|
||
|
|
|
||
|
|
def test_41_backends(self):
|
||
|
|
"""test GenericHandler + HasManyBackends mixin (deprecated api)"""
|
||
|
|
warnings.filterwarnings("ignore",
|
||
|
|
category=DeprecationWarning,
|
||
|
|
message=r".* support for \._has_backend_.* is deprecated.*",
|
||
|
|
)
|
||
|
|
|
||
|
|
class d1(uh.HasManyBackends, uh.GenericHandler):
|
||
|
|
name = 'd1'
|
||
|
|
setting_kwds = ()
|
||
|
|
|
||
|
|
backends = ("a", "b")
|
||
|
|
|
||
|
|
_has_backend_a = False
|
||
|
|
_has_backend_b = False
|
||
|
|
|
||
|
|
def _calc_checksum_a(self, secret):
|
||
|
|
return 'a'
|
||
|
|
|
||
|
|
def _calc_checksum_b(self, secret):
|
||
|
|
return 'b'
|
||
|
|
|
||
|
|
# test no backends
|
||
|
|
self.assertRaises(MissingBackendError, d1.get_backend)
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend)
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'any')
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'default')
|
||
|
|
self.assertFalse(d1.has_backend())
|
||
|
|
|
||
|
|
# enable 'b' backend
|
||
|
|
d1._has_backend_b = True
|
||
|
|
|
||
|
|
# test lazy load
|
||
|
|
obj = d1()
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'b')
|
||
|
|
|
||
|
|
# test repeat load
|
||
|
|
d1.set_backend('b')
|
||
|
|
d1.set_backend('any')
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'b')
|
||
|
|
|
||
|
|
# test unavailable
|
||
|
|
self.assertRaises(MissingBackendError, d1.set_backend, 'a')
|
||
|
|
self.assertTrue(d1.has_backend('b'))
|
||
|
|
self.assertFalse(d1.has_backend('a'))
|
||
|
|
|
||
|
|
# enable 'a' backend also
|
||
|
|
d1._has_backend_a = True
|
||
|
|
|
||
|
|
# test explicit
|
||
|
|
self.assertTrue(d1.has_backend())
|
||
|
|
d1.set_backend('a')
|
||
|
|
self.assertEqual(obj._calc_checksum('s'), 'a')
|
||
|
|
|
||
|
|
# test unknown backend
|
||
|
|
self.assertRaises(ValueError, d1.set_backend, 'c')
|
||
|
|
self.assertRaises(ValueError, d1.has_backend, 'c')
|
||
|
|
|
||
|
|
def test_50_norm_ident(self):
|
||
|
|
"""test GenericHandler + HasManyIdents"""
|
||
|
|
# setup helpers
|
||
|
|
class d1(uh.HasManyIdents, uh.GenericHandler):
|
||
|
|
name = 'd1'
|
||
|
|
setting_kwds = ('ident',)
|
||
|
|
default_ident = u("!A")
|
||
|
|
ident_values = (u("!A"), u("!B"))
|
||
|
|
ident_aliases = { u("A"): u("!A")}
|
||
|
|
|
||
|
|
def norm_ident(**k):
|
||
|
|
return d1(**k).ident
|
||
|
|
|
||
|
|
# check ident=None
|
||
|
|
self.assertRaises(TypeError, norm_ident)
|
||
|
|
self.assertRaises(TypeError, norm_ident, ident=None)
|
||
|
|
self.assertEqual(norm_ident(use_defaults=True), u('!A'))
|
||
|
|
|
||
|
|
# check valid idents
|
||
|
|
self.assertEqual(norm_ident(ident=u('!A')), u('!A'))
|
||
|
|
self.assertEqual(norm_ident(ident=u('!B')), u('!B'))
|
||
|
|
self.assertRaises(ValueError, norm_ident, ident=u('!C'))
|
||
|
|
|
||
|
|
# check aliases
|
||
|
|
self.assertEqual(norm_ident(ident=u('A')), u('!A'))
|
||
|
|
|
||
|
|
# check invalid idents
|
||
|
|
self.assertRaises(ValueError, norm_ident, ident=u('B'))
|
||
|
|
|
||
|
|
# check identify is honoring ident system
|
||
|
|
self.assertTrue(d1.identify(u("!Axxx")))
|
||
|
|
self.assertTrue(d1.identify(u("!Bxxx")))
|
||
|
|
self.assertFalse(d1.identify(u("!Cxxx")))
|
||
|
|
self.assertFalse(d1.identify(u("A")))
|
||
|
|
self.assertFalse(d1.identify(u("")))
|
||
|
|
self.assertRaises(TypeError, d1.identify, None)
|
||
|
|
self.assertRaises(TypeError, d1.identify, 1)
|
||
|
|
|
||
|
|
# check default_ident missing is detected.
|
||
|
|
d1.default_ident = None
|
||
|
|
self.assertRaises(AssertionError, norm_ident, use_defaults=True)
|
||
|
|
|
||
|
|
#===================================================================
|
||
|
|
# experimental - the following methods are not finished or tested,
|
||
|
|
# but way work correctly for some hashes
|
||
|
|
#===================================================================
|
||
|
|
def test_91_parsehash(self):
|
||
|
|
"""test parsehash()"""
|
||
|
|
# NOTE: this just tests some existing GenericHandler classes
|
||
|
|
from passlib import hash
|
||
|
|
|
||
|
|
#
|
||
|
|
# parsehash()
|
||
|
|
#
|
||
|
|
|
||
|
|
# simple hash w/ salt
|
||
|
|
result = hash.des_crypt.parsehash("OgAwTx2l6NADI")
|
||
|
|
self.assertEqual(result, {'checksum': u('AwTx2l6NADI'), 'salt': u('Og')})
|
||
|
|
|
||
|
|
# parse rounds and extra implicit_rounds flag
|
||
|
|
h = '$5$LKO/Ute40T3FNF95$U0prpBQd4PloSGU0pnpM4z9wKn4vZ1.jsrzQfPqxph9'
|
||
|
|
s = u('LKO/Ute40T3FNF95')
|
||
|
|
c = u('U0prpBQd4PloSGU0pnpM4z9wKn4vZ1.jsrzQfPqxph9')
|
||
|
|
result = hash.sha256_crypt.parsehash(h)
|
||
|
|
self.assertEqual(result, dict(salt=s, rounds=5000,
|
||
|
|
implicit_rounds=True, checksum=c))
|
||
|
|
|
||
|
|
# omit checksum
|
||
|
|
result = hash.sha256_crypt.parsehash(h, checksum=False)
|
||
|
|
self.assertEqual(result, dict(salt=s, rounds=5000, implicit_rounds=True))
|
||
|
|
|
||
|
|
# sanitize
|
||
|
|
result = hash.sha256_crypt.parsehash(h, sanitize=True)
|
||
|
|
self.assertEqual(result, dict(rounds=5000, implicit_rounds=True,
|
||
|
|
salt=u('LK**************'),
|
||
|
|
checksum=u('U0pr***************************************')))
|
||
|
|
|
||
|
|
# parse w/o implicit rounds flag
|
||
|
|
result = hash.sha256_crypt.parsehash('$5$rounds=10428$uy/jIAhCetNCTtb0$YWvUOXbkqlqhyoPMpN8BMe.ZGsGx2aBvxTvDFI613c3')
|
||
|
|
self.assertEqual(result, dict(
|
||
|
|
checksum=u('YWvUOXbkqlqhyoPMpN8BMe.ZGsGx2aBvxTvDFI613c3'),
|
||
|
|
salt=u('uy/jIAhCetNCTtb0'),
|
||
|
|
rounds=10428,
|
||
|
|
))
|
||
|
|
|
||
|
|
# parsing of raw checksums & salts
|
||
|
|
h1 = '$pbkdf2$60000$DoEwpvQeA8B4T.k951yLUQ$O26Y3/NJEiLCVaOVPxGXshyjW8k'
|
||
|
|
result = hash.pbkdf2_sha1.parsehash(h1)
|
||
|
|
self.assertEqual(result, dict(
|
||
|
|
checksum=b';n\x98\xdf\xf3I\x12"\xc2U\xa3\x95?\x11\x97\xb2\x1c\xa3[\xc9',
|
||
|
|
rounds=60000,
|
||
|
|
salt=b'\x0e\x810\xa6\xf4\x1e\x03\xc0xO\xe9=\xe7\\\x8bQ',
|
||
|
|
))
|
||
|
|
|
||
|
|
# sanitizing of raw checksums & salts
|
||
|
|
result = hash.pbkdf2_sha1.parsehash(h1, sanitize=True)
|
||
|
|
self.assertEqual(result, dict(
|
||
|
|
checksum=u('O26************************'),
|
||
|
|
rounds=60000,
|
||
|
|
salt=u('Do********************'),
|
||
|
|
))
|
||
|
|
|
||
|
|
def test_92_bitsize(self):
|
||
|
|
"""test bitsize()"""
|
||
|
|
# NOTE: this just tests some existing GenericHandler classes
|
||
|
|
from passlib import hash
|
||
|
|
|
||
|
|
# no rounds
|
||
|
|
self.assertEqual(hash.des_crypt.bitsize(),
|
||
|
|
{'checksum': 66, 'salt': 12})
|
||
|
|
|
||
|
|
# log2 rounds
|
||
|
|
self.assertEqual(hash.bcrypt.bitsize(),
|
||
|
|
{'checksum': 186, 'salt': 132})
|
||
|
|
|
||
|
|
# linear rounds
|
||
|
|
# NOTE: +3 comes from int(math.log(.1,2)),
|
||
|
|
# where 0.1 = 10% = default allowed variation in rounds
|
||
|
|
self.patchAttr(hash.sha256_crypt, "default_rounds", 1 << (14 + 3))
|
||
|
|
self.assertEqual(hash.sha256_crypt.bitsize(),
|
||
|
|
{'checksum': 258, 'rounds': 14, 'salt': 96})
|
||
|
|
|
||
|
|
# raw checksum
|
||
|
|
self.patchAttr(hash.pbkdf2_sha1, "default_rounds", 1 << (13 + 3))
|
||
|
|
self.assertEqual(hash.pbkdf2_sha1.bitsize(),
|
||
|
|
{'checksum': 160, 'rounds': 13, 'salt': 128})
|
||
|
|
|
||
|
|
# TODO: handle fshp correctly, and other glitches noted in code.
|
||
|
|
##self.assertEqual(hash.fshp.bitsize(variant=1),
|
||
|
|
## {'checksum': 256, 'rounds': 13, 'salt': 128})
|
||
|
|
|
||
|
|
#===================================================================
|
||
|
|
# eoc
|
||
|
|
#===================================================================
|
||
|
|
|
||
|
|
#=============================================================================
|
||
|
|
# PrefixWrapper
|
||
|
|
#=============================================================================
|
||
|
|
class dummy_handler_in_registry(object):
|
||
|
|
"""context manager that inserts dummy handler in registry"""
|
||
|
|
def __init__(self, name):
|
||
|
|
self.name = name
|
||
|
|
self.dummy = type('dummy_' + name, (uh.GenericHandler,), dict(
|
||
|
|
name=name,
|
||
|
|
setting_kwds=(),
|
||
|
|
))
|
||
|
|
|
||
|
|
def __enter__(self):
|
||
|
|
from passlib import registry
|
||
|
|
registry._unload_handler_name(self.name, locations=False)
|
||
|
|
registry.register_crypt_handler(self.dummy)
|
||
|
|
assert registry.get_crypt_handler(self.name) is self.dummy
|
||
|
|
return self.dummy
|
||
|
|
|
||
|
|
def __exit__(self, *exc_info):
|
||
|
|
from passlib import registry
|
||
|
|
registry._unload_handler_name(self.name, locations=False)
|
||
|
|
|
||
|
|
class PrefixWrapperTest(TestCase):
|
||
|
|
"""test PrefixWrapper class"""
|
||
|
|
|
||
|
|
def test_00_lazy_loading(self):
|
||
|
|
"""test PrefixWrapper lazy loading of handler"""
|
||
|
|
d1 = uh.PrefixWrapper("d1", "ldap_md5", "{XXX}", "{MD5}", lazy=True)
|
||
|
|
|
||
|
|
# check base state
|
||
|
|
self.assertEqual(d1._wrapped_name, "ldap_md5")
|
||
|
|
self.assertIs(d1._wrapped_handler, None)
|
||
|
|
|
||
|
|
# check loading works
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
self.assertIs(d1._wrapped_handler, ldap_md5)
|
||
|
|
|
||
|
|
# replace w/ wrong handler, make sure doesn't reload w/ dummy
|
||
|
|
with dummy_handler_in_registry("ldap_md5") as dummy:
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
|
||
|
|
def test_01_active_loading(self):
|
||
|
|
"""test PrefixWrapper active loading of handler"""
|
||
|
|
d1 = uh.PrefixWrapper("d1", "ldap_md5", "{XXX}", "{MD5}")
|
||
|
|
|
||
|
|
# check base state
|
||
|
|
self.assertEqual(d1._wrapped_name, "ldap_md5")
|
||
|
|
self.assertIs(d1._wrapped_handler, ldap_md5)
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
|
||
|
|
# replace w/ wrong handler, make sure doesn't reload w/ dummy
|
||
|
|
with dummy_handler_in_registry("ldap_md5") as dummy:
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
|
||
|
|
def test_02_explicit(self):
|
||
|
|
"""test PrefixWrapper with explicitly specified handler"""
|
||
|
|
|
||
|
|
d1 = uh.PrefixWrapper("d1", ldap_md5, "{XXX}", "{MD5}")
|
||
|
|
|
||
|
|
# check base state
|
||
|
|
self.assertEqual(d1._wrapped_name, None)
|
||
|
|
self.assertIs(d1._wrapped_handler, ldap_md5)
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
|
||
|
|
# replace w/ wrong handler, make sure doesn't reload w/ dummy
|
||
|
|
with dummy_handler_in_registry("ldap_md5") as dummy:
|
||
|
|
self.assertIs(d1.wrapped, ldap_md5)
|
||
|
|
|
||
|
|
def test_10_wrapped_attributes(self):
|
||
|
|
d1 = uh.PrefixWrapper("d1", "ldap_md5", "{XXX}", "{MD5}")
|
||
|
|
self.assertEqual(d1.name, "d1")
|
||
|
|
self.assertIs(d1.setting_kwds, ldap_md5.setting_kwds)
|
||
|
|
self.assertFalse('max_rounds' in dir(d1))
|
||
|
|
|
||
|
|
d2 = uh.PrefixWrapper("d2", "sha256_crypt", "{XXX}")
|
||
|
|
self.assertIs(d2.setting_kwds, sha256_crypt.setting_kwds)
|
||
|
|
self.assertTrue('max_rounds' in dir(d2))
|
||
|
|
|
||
|
|
def test_11_wrapped_methods(self):
|
||
|
|
d1 = uh.PrefixWrapper("d1", "ldap_md5", "{XXX}", "{MD5}")
|
||
|
|
dph = "{XXX}X03MO1qnZdYdgyfeuILPmQ=="
|
||
|
|
lph = "{MD5}X03MO1qnZdYdgyfeuILPmQ=="
|
||
|
|
|
||
|
|
# genconfig
|
||
|
|
self.assertEqual(d1.genconfig(), '{XXX}1B2M2Y8AsgTpgAmY7PhCfg==')
|
||
|
|
|
||
|
|
# genhash
|
||
|
|
self.assertRaises(TypeError, d1.genhash, "password", None)
|
||
|
|
self.assertEqual(d1.genhash("password", dph), dph)
|
||
|
|
self.assertRaises(ValueError, d1.genhash, "password", lph)
|
||
|
|
|
||
|
|
# hash
|
||
|
|
self.assertEqual(d1.hash("password"), dph)
|
||
|
|
|
||
|
|
# identify
|
||
|
|
self.assertTrue(d1.identify(dph))
|
||
|
|
self.assertFalse(d1.identify(lph))
|
||
|
|
|
||
|
|
# verify
|
||
|
|
self.assertRaises(ValueError, d1.verify, "password", lph)
|
||
|
|
self.assertTrue(d1.verify("password", dph))
|
||
|
|
|
||
|
|
def test_12_ident(self):
|
||
|
|
# test ident is proxied
|
||
|
|
h = uh.PrefixWrapper("h2", "ldap_md5", "{XXX}")
|
||
|
|
self.assertEqual(h.ident, u("{XXX}{MD5}"))
|
||
|
|
self.assertIs(h.ident_values, None)
|
||
|
|
|
||
|
|
# test lack of ident means no proxy
|
||
|
|
h = uh.PrefixWrapper("h2", "des_crypt", "{XXX}")
|
||
|
|
self.assertIs(h.ident, None)
|
||
|
|
self.assertIs(h.ident_values, None)
|
||
|
|
|
||
|
|
# test orig_prefix disabled ident proxy
|
||
|
|
h = uh.PrefixWrapper("h1", "ldap_md5", "{XXX}", "{MD5}")
|
||
|
|
self.assertIs(h.ident, None)
|
||
|
|
self.assertIs(h.ident_values, None)
|
||
|
|
|
||
|
|
# test custom ident overrides default
|
||
|
|
h = uh.PrefixWrapper("h3", "ldap_md5", "{XXX}", ident="{X")
|
||
|
|
self.assertEqual(h.ident, u("{X"))
|
||
|
|
self.assertIs(h.ident_values, None)
|
||
|
|
|
||
|
|
# test custom ident must match
|
||
|
|
h = uh.PrefixWrapper("h3", "ldap_md5", "{XXX}", ident="{XXX}A")
|
||
|
|
self.assertRaises(ValueError, uh.PrefixWrapper, "h3", "ldap_md5",
|
||
|
|
"{XXX}", ident="{XY")
|
||
|
|
self.assertRaises(ValueError, uh.PrefixWrapper, "h3", "ldap_md5",
|
||
|
|
"{XXX}", ident="{XXXX")
|
||
|
|
|
||
|
|
# test ident_values is proxied
|
||
|
|
h = uh.PrefixWrapper("h4", "phpass", "{XXX}")
|
||
|
|
self.assertIs(h.ident, None)
|
||
|
|
self.assertEqual(h.ident_values, (u("{XXX}$P$"), u("{XXX}$H$")))
|
||
|
|
|
||
|
|
# test ident=True means use prefix even if hash has no ident.
|
||
|
|
h = uh.PrefixWrapper("h5", "des_crypt", "{XXX}", ident=True)
|
||
|
|
self.assertEqual(h.ident, u("{XXX}"))
|
||
|
|
self.assertIs(h.ident_values, None)
|
||
|
|
|
||
|
|
# ... but requires prefix
|
||
|
|
self.assertRaises(ValueError, uh.PrefixWrapper, "h6", "des_crypt", ident=True)
|
||
|
|
|
||
|
|
# orig_prefix + HasManyIdent - warning
|
||
|
|
with self.assertWarningList("orig_prefix.*may not work correctly"):
|
||
|
|
h = uh.PrefixWrapper("h7", "phpass", orig_prefix="$", prefix="?")
|
||
|
|
self.assertEqual(h.ident_values, None) # TODO: should output (u("?P$"), u("?H$")))
|
||
|
|
self.assertEqual(h.ident, None)
|
||
|
|
|
||
|
|
def test_13_repr(self):
|
||
|
|
"""test repr()"""
|
||
|
|
h = uh.PrefixWrapper("h2", "md5_crypt", "{XXX}", orig_prefix="$1$")
|
||
|
|
self.assertRegex(repr(h),
|
||
|
|
r"""(?x)^PrefixWrapper\(
|
||
|
|
['"]h2['"],\s+
|
||
|
|
['"]md5_crypt['"],\s+
|
||
|
|
prefix=u?["']{XXX}['"],\s+
|
||
|
|
orig_prefix=u?["']\$1\$['"]
|
||
|
|
\)$""")
|
||
|
|
|
||
|
|
def test_14_bad_hash(self):
|
||
|
|
"""test orig_prefix sanity check"""
|
||
|
|
# shoudl throw InvalidHashError if wrapped hash doesn't begin
|
||
|
|
# with orig_prefix.
|
||
|
|
h = uh.PrefixWrapper("h2", "md5_crypt", orig_prefix="$6$")
|
||
|
|
self.assertRaises(ValueError, h.hash, 'test')
|
||
|
|
|
||
|
|
#=============================================================================
|
||
|
|
# sample algorithms - these serve as known quantities
|
||
|
|
# to test the unittests themselves, as well as other
|
||
|
|
# parts of passlib. they shouldn't be used as actual password schemes.
|
||
|
|
#=============================================================================
|
||
|
|
class UnsaltedHash(uh.StaticHandler):
|
||
|
|
"""test algorithm which lacks a salt"""
|
||
|
|
name = "unsalted_test_hash"
|
||
|
|
checksum_chars = uh.LOWER_HEX_CHARS
|
||
|
|
checksum_size = 40
|
||
|
|
|
||
|
|
def _calc_checksum(self, secret):
|
||
|
|
if isinstance(secret, unicode):
|
||
|
|
secret = secret.encode("utf-8")
|
||
|
|
data = b"boblious" + secret
|
||
|
|
return str_to_uascii(hashlib.sha1(data).hexdigest())
|
||
|
|
|
||
|
|
class SaltedHash(uh.HasSalt, uh.GenericHandler):
|
||
|
|
"""test algorithm with a salt"""
|
||
|
|
name = "salted_test_hash"
|
||
|
|
setting_kwds = ("salt",)
|
||
|
|
|
||
|
|
min_salt_size = 2
|
||
|
|
max_salt_size = 4
|
||
|
|
checksum_size = 40
|
||
|
|
salt_chars = checksum_chars = uh.LOWER_HEX_CHARS
|
||
|
|
|
||
|
|
_hash_regex = re.compile(u("^@salt[0-9a-f]{42,44}$"))
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def from_string(cls, hash):
|
||
|
|
if not cls.identify(hash):
|
||
|
|
raise uh.exc.InvalidHashError(cls)
|
||
|
|
if isinstance(hash, bytes):
|
||
|
|
hash = hash.decode("ascii")
|
||
|
|
return cls(salt=hash[5:-40], checksum=hash[-40:])
|
||
|
|
|
||
|
|
def to_string(self):
|
||
|
|
hash = u("@salt%s%s") % (self.salt, self.checksum)
|
||
|
|
return uascii_to_str(hash)
|
||
|
|
|
||
|
|
def _calc_checksum(self, secret):
|
||
|
|
if isinstance(secret, unicode):
|
||
|
|
secret = secret.encode("utf-8")
|
||
|
|
data = self.salt.encode("ascii") + secret + self.salt.encode("ascii")
|
||
|
|
return str_to_uascii(hashlib.sha1(data).hexdigest())
|
||
|
|
|
||
|
|
#=============================================================================
|
||
|
|
# test sample algorithms - really a self-test of HandlerCase
|
||
|
|
#=============================================================================
|
||
|
|
|
||
|
|
# TODO: provide data samples for algorithms
|
||
|
|
# (positive knowns, negative knowns, invalid identify)
|
||
|
|
|
||
|
|
UPASS_TEMP = u('\u0399\u03c9\u03b1\u03bd\u03bd\u03b7\u03c2')
|
||
|
|
|
||
|
|
class UnsaltedHashTest(HandlerCase):
|
||
|
|
handler = UnsaltedHash
|
||
|
|
|
||
|
|
known_correct_hashes = [
|
||
|
|
("password", "61cfd32684c47de231f1f982c214e884133762c0"),
|
||
|
|
(UPASS_TEMP, '96b329d120b97ff81ada770042e44ba87343ad2b'),
|
||
|
|
]
|
||
|
|
|
||
|
|
def test_bad_kwds(self):
|
||
|
|
self.assertRaises(TypeError, UnsaltedHash, salt='x')
|
||
|
|
self.assertRaises(TypeError, UnsaltedHash.genconfig, rounds=1)
|
||
|
|
|
||
|
|
class SaltedHashTest(HandlerCase):
|
||
|
|
handler = SaltedHash
|
||
|
|
|
||
|
|
known_correct_hashes = [
|
||
|
|
("password", '@salt77d71f8fe74f314dac946766c1ac4a2a58365482c0'),
|
||
|
|
(UPASS_TEMP, '@salt9f978a9bfe360d069b0c13f2afecd570447407fa7e48'),
|
||
|
|
]
|
||
|
|
|
||
|
|
def test_bad_kwds(self):
|
||
|
|
stub = SaltedHash(use_defaults=True)._stub_checksum
|
||
|
|
self.assertRaises(TypeError, SaltedHash, checksum=stub, salt=None)
|
||
|
|
self.assertRaises(ValueError, SaltedHash, checksum=stub, salt='xxx')
|
||
|
|
|
||
|
|
#=============================================================================
|
||
|
|
# eof
|
||
|
|
#=============================================================================
|