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
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Piston Cloud Computing, Inc.
# All Rights Reserved.
# 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.
import StringIO
import tempfile
import urllib2
from keystone import test
from keystone import config
from keystone import exception
from keystone.openstack.common import policy as common_policy
from keystone.policy.backends import rules
CONF = config.CONF
class PolicyFileTestCase(test.TestCase):
def setUp(self):
super(PolicyFileTestCase, self).setUp()
self.orig_policy_file = CONF.policy_file
rules.reset()
_unused, self.tmpfilename = tempfile.mkstemp()
self.opt(policy_file=self.tmpfilename)
self.target = {}
def tearDown(self):
super(PolicyFileTestCase, self).tearDown()
rules.reset()
self.opt(policy_file=self.orig_policy_file)
def test_modified_policy_reloads(self):
action = "example:test"
empty_credentials = {}
with open(self.tmpfilename, "w") as policyfile:
policyfile.write("""{"example:test": []}""")
rules.enforce(empty_credentials, action, self.target)
with open(self.tmpfilename, "w") as policyfile:
policyfile.write("""{"example:test": ["false:false"]}""")
# NOTE(vish): reset stored policy cache so we don't have to sleep(1)
rules._POLICY_CACHE = {}
self.assertRaises(exception.ForbiddenAction, rules.enforce,
empty_credentials, action, self.target)
class PolicyTestCase(test.TestCase):
def setUp(self):
super(PolicyTestCase, self).setUp()
rules.reset()
# NOTE(vish): preload rules to circumvent reloading from file
rules.init()
self.rules = {
"true": [],
"example:allowed": [],
"example:denied": [["false:false"]],
"example:get_http": [["http:http://www.example.com"]],
"example:my_file": [["role:compute_admin"],
["project_id:%(project_id)s"]],
"example:early_and_fail": [["false:false", "rule:true"]],
"example:early_or_success": [["rule:true"], ["false:false"]],
"example:lowercase_admin": [["role:admin"], ["role:sysadmin"]],
"example:uppercase_admin": [["role:ADMIN"], ["role:sysadmin"]],
}
# NOTE(vish): then overload underlying policy engine
self._set_rules()
self.credentials = {}
self.target = {}
def _set_rules(self):
these_rules = common_policy.Rules(
dict((k, common_policy.parse_rule(v))
for k, v in self.rules.items()))
common_policy.set_rules(these_rules)
def tearDown(self):
rules.reset()
super(PolicyTestCase, self).tearDown()
def test_enforce_nonexistent_action_throws(self):
action = "example:noexist"
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, action, self.target)
def test_enforce_bad_action_throws(self):
action = "example:denied"
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, action, self.target)
def test_enforce_good_action(self):
action = "example:allowed"
rules.enforce(self.credentials, action, self.target)
def test_enforce_http_true(self):
def fakeurlopen(url, post_data):
return StringIO.StringIO("True")
self.stubs.Set(urllib2, 'urlopen', fakeurlopen)
action = "example:get_http"
target = {}
result = rules.enforce(self.credentials, action, target)
self.assertTrue(result)
def test_enforce_http_false(self):
def fakeurlopen(url, post_data):
return StringIO.StringIO("False")
self.stubs.Set(urllib2, 'urlopen', fakeurlopen)
action = "example:get_http"
target = {}
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, action, target)
def test_templatized_enforcement(self):
target_mine = {'project_id': 'fake'}
target_not_mine = {'project_id': 'another'}
credentials = {'project_id': 'fake', 'roles': []}
action = "example:my_file"
rules.enforce(credentials, action, target_mine)
self.assertRaises(exception.ForbiddenAction, rules.enforce,
credentials, action, target_not_mine)
def test_early_AND_enforcement(self):
action = "example:early_and_fail"
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, action, self.target)
def test_early_OR_enforcement(self):
action = "example:early_or_success"
rules.enforce(self.credentials, action, self.target)
def test_ignore_case_role_check(self):
lowercase_action = "example:lowercase_admin"
uppercase_action = "example:uppercase_admin"
# NOTE(dprince) we mix case in the Admin role here to ensure
# case is ignored
admin_credentials = {'roles': ['AdMiN']}
rules.enforce(admin_credentials, lowercase_action, self.target)
rules.enforce(admin_credentials, uppercase_action, self.target)
class DefaultPolicyTestCase(test.TestCase):
def setUp(self):
super(DefaultPolicyTestCase, self).setUp()
rules.reset()
rules.init()
self.rules = {
"default": [],
"example:exist": [["false:false"]]
}
self._set_rules('default')
self.credentials = {}
def _set_rules(self, default_rule):
these_rules = common_policy.Rules(
dict((k, common_policy.parse_rule(v))
for k, v in self.rules.items()), default_rule)
common_policy.set_rules(these_rules)
def tearDown(self):
super(DefaultPolicyTestCase, self).setUp()
rules.reset()
def test_policy_called(self):
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, "example:exist", {})
def test_not_found_policy_calls_default(self):
rules.enforce(self.credentials, "example:noexist", {})
def test_default_not_found(self):
self._set_rules("default_noexist")
self.assertRaises(exception.ForbiddenAction, rules.enforce,
self.credentials, "example:noexist", {})
|
