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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
# Copyright 2013 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from keystone.common import base64utils
from keystone.tests import unit
base64_alphabet = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'abcdefghijklmnopqrstuvwxyz'
'0123456789'
'+/=') # includes pad char
base64url_alphabet = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'abcdefghijklmnopqrstuvwxyz'
'0123456789'
'-_=') # includes pad char
class TestValid(unit.BaseTestCase):
def test_valid_base64(self):
self.assertTrue(base64utils.is_valid_base64('+/=='))
self.assertTrue(base64utils.is_valid_base64('+/+='))
self.assertTrue(base64utils.is_valid_base64('+/+/'))
self.assertFalse(base64utils.is_valid_base64('-_=='))
self.assertFalse(base64utils.is_valid_base64('-_-='))
self.assertFalse(base64utils.is_valid_base64('-_-_'))
self.assertTrue(base64utils.is_valid_base64('abcd'))
self.assertFalse(base64utils.is_valid_base64('abcde'))
self.assertFalse(base64utils.is_valid_base64('abcde=='))
self.assertFalse(base64utils.is_valid_base64('abcdef'))
self.assertTrue(base64utils.is_valid_base64('abcdef=='))
self.assertFalse(base64utils.is_valid_base64('abcdefg'))
self.assertTrue(base64utils.is_valid_base64('abcdefg='))
self.assertTrue(base64utils.is_valid_base64('abcdefgh'))
self.assertFalse(base64utils.is_valid_base64('-_=='))
def test_valid_base64url(self):
self.assertFalse(base64utils.is_valid_base64url('+/=='))
self.assertFalse(base64utils.is_valid_base64url('+/+='))
self.assertFalse(base64utils.is_valid_base64url('+/+/'))
self.assertTrue(base64utils.is_valid_base64url('-_=='))
self.assertTrue(base64utils.is_valid_base64url('-_-='))
self.assertTrue(base64utils.is_valid_base64url('-_-_'))
self.assertTrue(base64utils.is_valid_base64url('abcd'))
self.assertFalse(base64utils.is_valid_base64url('abcde'))
self.assertFalse(base64utils.is_valid_base64url('abcde=='))
self.assertFalse(base64utils.is_valid_base64url('abcdef'))
self.assertTrue(base64utils.is_valid_base64url('abcdef=='))
self.assertFalse(base64utils.is_valid_base64url('abcdefg'))
self.assertTrue(base64utils.is_valid_base64url('abcdefg='))
self.assertTrue(base64utils.is_valid_base64url('abcdefgh'))
self.assertTrue(base64utils.is_valid_base64url('-_=='))
class TestBase64Padding(unit.BaseTestCase):
def test_filter(self):
self.assertEqual('', base64utils.filter_formatting(''))
self.assertEqual('', base64utils.filter_formatting(' '))
self.assertEqual('a', base64utils.filter_formatting('a'))
self.assertEqual('a', base64utils.filter_formatting(' a'))
self.assertEqual('a', base64utils.filter_formatting('a '))
self.assertEqual('ab', base64utils.filter_formatting('ab'))
self.assertEqual('ab', base64utils.filter_formatting(' ab'))
self.assertEqual('ab', base64utils.filter_formatting('ab '))
self.assertEqual('ab', base64utils.filter_formatting('a b'))
self.assertEqual('ab', base64utils.filter_formatting(' a b'))
self.assertEqual('ab', base64utils.filter_formatting('a b '))
self.assertEqual('ab', base64utils.filter_formatting('a\nb\n '))
text = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'abcdefghijklmnopqrstuvwxyz'
'0123456789'
'+/=')
self.assertEqual(base64_alphabet,
base64utils.filter_formatting(text))
text = (' ABCDEFGHIJKLMNOPQRSTUVWXYZ\n'
' abcdefghijklmnopqrstuvwxyz\n'
'\t\f\r'
' 0123456789\n'
' +/=')
self.assertEqual(base64_alphabet,
base64utils.filter_formatting(text))
self.assertEqual(base64url_alphabet,
base64utils.base64_to_base64url(base64_alphabet))
text = ('ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'abcdefghijklmnopqrstuvwxyz'
'0123456789'
'-_=')
self.assertEqual(base64url_alphabet,
base64utils.filter_formatting(text))
text = (' ABCDEFGHIJKLMNOPQRSTUVWXYZ\n'
' abcdefghijklmnopqrstuvwxyz\n'
'\t\f\r'
' 0123456789\n'
'-_=')
self.assertEqual(base64url_alphabet,
base64utils.filter_formatting(text))
def test_alphabet_conversion(self):
self.assertEqual(base64url_alphabet,
base64utils.base64_to_base64url(base64_alphabet))
self.assertEqual(base64_alphabet,
base64utils.base64url_to_base64(base64url_alphabet))
def test_is_padded(self):
self.assertTrue(base64utils.base64_is_padded('ABCD'))
self.assertTrue(base64utils.base64_is_padded('ABC='))
self.assertTrue(base64utils.base64_is_padded('AB=='))
self.assertTrue(base64utils.base64_is_padded('1234ABCD'))
self.assertTrue(base64utils.base64_is_padded('1234ABC='))
self.assertTrue(base64utils.base64_is_padded('1234AB=='))
self.assertFalse(base64utils.base64_is_padded('ABC'))
self.assertFalse(base64utils.base64_is_padded('AB'))
self.assertFalse(base64utils.base64_is_padded('A'))
self.assertFalse(base64utils.base64_is_padded(''))
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64_is_padded, '=')
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64_is_padded, 'AB=C')
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64_is_padded, 'AB=')
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64_is_padded, 'ABCD=')
self.assertRaises(ValueError, base64utils.base64_is_padded,
'ABC', pad='==')
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64_is_padded, 'A=BC')
def test_strip_padding(self):
self.assertEqual('ABCD', base64utils.base64_strip_padding('ABCD'))
self.assertEqual('ABC', base64utils.base64_strip_padding('ABC='))
self.assertEqual('AB', base64utils.base64_strip_padding('AB=='))
self.assertRaises(ValueError, base64utils.base64_strip_padding,
'ABC=', pad='==')
self.assertEqual('ABC', base64utils.base64_strip_padding('ABC'))
def test_assure_padding(self):
self.assertEqual('ABCD', base64utils.base64_assure_padding('ABCD'))
self.assertEqual('ABC=', base64utils.base64_assure_padding('ABC'))
self.assertEqual('ABC=', base64utils.base64_assure_padding('ABC='))
self.assertEqual('AB==', base64utils.base64_assure_padding('AB'))
self.assertEqual('AB==', base64utils.base64_assure_padding('AB=='))
self.assertRaises(ValueError, base64utils.base64_assure_padding,
'ABC', pad='==')
def test_base64_percent_encoding(self):
self.assertEqual('ABCD', base64utils.base64url_percent_encode('ABCD'))
self.assertEqual('ABC%3D',
base64utils.base64url_percent_encode('ABC='))
self.assertEqual('AB%3D%3D',
base64utils.base64url_percent_encode('AB=='))
self.assertEqual('ABCD', base64utils.base64url_percent_decode('ABCD'))
self.assertEqual('ABC=',
base64utils.base64url_percent_decode('ABC%3D'))
self.assertEqual('AB==',
base64utils.base64url_percent_decode('AB%3D%3D'))
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64url_percent_encode, 'chars')
self.assertRaises(base64utils.InvalidBase64Error,
base64utils.base64url_percent_decode, 'AB%3D%3')
class TestTextWrap(unit.BaseTestCase):
def test_wrapping(self):
raw_text = 'abcdefgh'
wrapped_text = 'abc\ndef\ngh\n'
self.assertEqual(wrapped_text,
base64utils.base64_wrap(raw_text, width=3))
t = '\n'.join(base64utils.base64_wrap_iter(raw_text, width=3)) + '\n'
self.assertEqual(wrapped_text, t)
raw_text = 'abcdefgh'
wrapped_text = 'abcd\nefgh\n'
self.assertEqual(wrapped_text,
base64utils.base64_wrap(raw_text, width=4))
|
