1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
import sqlalchemy as sa
from pytest import mark
from sqlalchemy import inspect
from sqlalchemy_utils import Password, PasswordType, types # noqa
from tests import TestCase
@mark.skipif('types.password.passlib is None')
class TestPasswordType(TestCase):
def create_models(self):
class User(self.Base):
__tablename__ = 'user'
id = sa.Column(sa.Integer, primary_key=True)
password = sa.Column(PasswordType(
schemes=[
'pbkdf2_sha512',
'pbkdf2_sha256',
'md5_crypt',
'hex_md5'
],
deprecated=['md5_crypt', 'hex_md5']
))
def __repr__(self):
return 'User(%r)' % self.id
self.User = User
def test_encrypt(self):
"""Should encrypt the password on setting the attribute."""
obj = self.User()
obj.password = b'b'
assert obj.password.hash != 'b'
assert obj.password.hash.startswith(b'$pbkdf2-sha512$')
def test_check(self):
"""
Should be able to compare the plaintext against the
encrypted form.
"""
obj = self.User()
obj.password = 'b'
assert obj.password == 'b'
assert obj.password != 'a'
self.session.add(obj)
self.session.commit()
obj = self.session.query(self.User).get(obj.id)
assert obj.password == b'b'
assert obj.password != 'a'
def test_check_and_update(self):
"""
Should be able to compare the plaintext against a deprecated
encrypted form and have it auto-update to the preferred version.
"""
from passlib.hash import md5_crypt
obj = self.User()
obj.password = Password(md5_crypt.encrypt('b'))
assert obj.password.hash.decode('utf8').startswith('$1$')
assert obj.password == 'b'
assert obj.password.hash.decode('utf8').startswith('$pbkdf2-sha512$')
def test_auto_column_length(self):
"""Should derive the correct column length from the specified schemes.
"""
from passlib.hash import pbkdf2_sha512
kind = inspect(self.User).c.password.type
# name + rounds + salt + hash + ($ * 4) of largest hash
expected_length = len(pbkdf2_sha512.name)
expected_length += len(str(pbkdf2_sha512.max_rounds))
expected_length += pbkdf2_sha512.max_salt_size
expected_length += pbkdf2_sha512.encoded_checksum_size
expected_length += 4
assert kind.length == expected_length
def test_without_schemes(self):
assert PasswordType(schemes=[]).length == 1024
def test_compare(self):
from passlib.hash import md5_crypt
obj = self.User()
obj.password = Password(md5_crypt.encrypt('b'))
other = self.User()
other.password = Password(md5_crypt.encrypt('b'))
# Not sure what to assert here; the test raised an error before.
assert obj.password != other.password
def test_set_none(self):
obj = self.User()
obj.password = None
assert obj.password is None
self.session.add(obj)
self.session.commit()
obj = self.session.query(self.User).get(obj.id)
assert obj.password is None
def test_update_none(self):
"""
Should be able to change a password from ``None`` to a valid
password.
"""
obj = self.User()
obj.password = None
self.session.add(obj)
self.session.commit()
obj = self.session.query(self.User).get(obj.id)
obj.password = 'b'
self.session.commit()
def test_compare_none(self):
"""
Should be able to compare a password of ``None``.
"""
obj = self.User()
obj.password = None
assert obj.password is None
assert obj.password == None # noqa
obj.password = 'b'
assert obj.password is not None
assert obj.password != None # noqa
def test_check_and_update_persist(self):
"""
When a password is compared, the hash should update if needed to
change the algorithm; and, commit to the database.
"""
from passlib.hash import md5_crypt
obj = self.User()
obj.password = Password(md5_crypt.encrypt('b'))
self.session.add(obj)
self.session.commit()
assert obj.password.hash.decode('utf8').startswith('$1$')
assert obj.password == 'b'
self.session.commit()
obj = self.session.query(self.User).get(obj.id)
assert obj.password.hash.decode('utf8').startswith('$pbkdf2-sha512$')
assert obj.password == 'b'
|
