253 lines
10 KiB
Python
253 lines
10 KiB
Python
# Copyright 2016 NTT DATA
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# All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Test of Policy Engine For Masakari."""
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import os.path
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from oslo_policy import policy as oslo_policy
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from oslo_serialization import jsonutils
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import requests_mock
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import masakari.conf
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from masakari import context
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from masakari import exception
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from masakari import policy
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from masakari import test
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from masakari.tests.unit import fake_policy
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from masakari.tests.unit import policy_fixture
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from masakari import utils
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CONF = masakari.conf.CONF
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class PolicyFileTestCase(test.NoDBTestCase):
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def setUp(self):
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super(PolicyFileTestCase, self).setUp()
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self.context = context.RequestContext('fake', 'fake')
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self.target = {}
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def test_modified_policy_reloads(self):
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with utils.tempdir() as tmpdir:
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tmpfilename = os.path.join(tmpdir, 'policy')
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self.flags(policy_file=tmpfilename, group='oslo_policy')
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# NOTE(Dinesh_Bhor): context construction invokes policy check to
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# determine is_admin or not. As a side-effect, policy reset is
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# needed here to flush existing policy cache.
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policy.reset()
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policy.init()
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rule = oslo_policy.RuleDefault('example:test', "")
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policy._ENFORCER.register_defaults([rule])
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action = "example:test"
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with open(tmpfilename, "w") as policyfile:
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policyfile.write('{"example:test": ""}')
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policy.authorize(self.context, action, self.target)
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with open(tmpfilename, "w") as policyfile:
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policyfile.write('{"example:test": "!"}')
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policy._ENFORCER.load_rules(True)
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, self.target)
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class PolicyTestCase(test.NoDBTestCase):
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def setUp(self):
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super(PolicyTestCase, self).setUp()
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rules = [
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oslo_policy.RuleDefault("true", '@'),
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oslo_policy.RuleDefault("example:allowed", '@'),
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oslo_policy.RuleDefault("example:denied", "!"),
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oslo_policy.RuleDefault("example:get_http",
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"http://www.example.com"),
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oslo_policy.RuleDefault("example:my_file",
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"role:compute_admin or "
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"project_id:%(project_id)s"),
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oslo_policy.RuleDefault("example:early_and_fail", "! and @"),
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oslo_policy.RuleDefault("example:early_or_success", "@ or !"),
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oslo_policy.RuleDefault("example:lowercase_admin",
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"role:admin or role:sysadmin"),
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oslo_policy.RuleDefault("example:uppercase_admin",
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"role:ADMIN or role:sysadmin"),
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]
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policy.reset()
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policy.init()
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# before a policy rule can be used, its default has to be registered.
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policy._ENFORCER.register_defaults(rules)
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self.context = context.RequestContext('fake', 'fake', roles=['member'])
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self.target = {}
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def test_authorize_nonexistent_action_throws(self):
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action = "example:noexist"
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self.assertRaises(oslo_policy.PolicyNotRegistered, policy.authorize,
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self.context, action, self.target)
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def test_authorize_bad_action_throws(self):
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action = "example:denied"
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, self.target)
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def test_authorize_bad_action_noraise(self):
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action = "example:denied"
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result = policy.authorize(self.context, action, self.target, False)
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self.assertFalse(result)
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def test_authorize_good_action(self):
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action = "example:allowed"
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result = policy.authorize(self.context, action, self.target)
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self.assertTrue(result)
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@requests_mock.mock()
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def test_authorize_http_true(self, req_mock):
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req_mock.post('http://www.example.com/',
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text='True')
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action = "example:get_http"
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target = {}
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result = policy.authorize(self.context, action, target)
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self.assertTrue(result)
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@requests_mock.mock()
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def test_authorize_http_false(self, req_mock):
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req_mock.post('http://www.example.com/',
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text='False')
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action = "example:get_http"
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target = {}
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, target)
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def test_templatized_authorization(self):
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target_mine = {'project_id': 'fake'}
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target_not_mine = {'project_id': 'another'}
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action = "example:my_file"
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policy.authorize(self.context, action, target_mine)
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, target_not_mine)
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def test_early_AND_authorization(self):
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action = "example:early_and_fail"
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, self.target)
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def test_early_OR_authorization(self):
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action = "example:early_or_success"
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policy.authorize(self.context, action, self.target)
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def test_ignore_case_role_check(self):
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lowercase_action = "example:lowercase_admin"
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uppercase_action = "example:uppercase_admin"
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admin_context = context.RequestContext('admin',
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'fake',
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roles=['AdMiN'])
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policy.authorize(admin_context, lowercase_action, self.target)
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policy.authorize(admin_context, uppercase_action, self.target)
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class IsAdminCheckTestCase(test.NoDBTestCase):
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def setUp(self):
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super(IsAdminCheckTestCase, self).setUp()
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policy.init()
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def test_init_true(self):
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check = policy.IsAdminCheck('is_admin', 'True')
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self.assertEqual(check.kind, 'is_admin')
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self.assertEqual(check.match, 'True')
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self.assertTrue(check.expected)
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def test_init_false(self):
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check = policy.IsAdminCheck('is_admin', 'nottrue')
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self.assertEqual(check.kind, 'is_admin')
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self.assertEqual(check.match, 'False')
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self.assertFalse(check.expected)
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def test_call_true(self):
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check = policy.IsAdminCheck('is_admin', 'True')
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self.assertEqual(check('target', dict(is_admin=True),
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policy._ENFORCER), True)
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self.assertEqual(check('target', dict(is_admin=False),
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policy._ENFORCER), False)
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def test_call_false(self):
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check = policy.IsAdminCheck('is_admin', 'False')
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self.assertEqual(check('target', dict(is_admin=True),
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policy._ENFORCER), False)
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self.assertEqual(check('target', dict(is_admin=False),
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policy._ENFORCER), True)
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class AdminRolePolicyTestCase(test.NoDBTestCase):
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def setUp(self):
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super(AdminRolePolicyTestCase, self).setUp()
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self.policy = self.useFixture(policy_fixture.RoleBasedPolicyFixture())
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self.context = context.RequestContext('fake', 'fake', roles=['member'])
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self.actions = policy.get_rules().keys()
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self.target = {}
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def test_authorize_admin_actions_with_nonadmin_context_throws(self):
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"""Check if non-admin context passed to admin actions throws
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Policy not authorized exception
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"""
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for action in self.actions:
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.context, action, self.target)
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class RealRolePolicyTestCase(test.NoDBTestCase):
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def setUp(self):
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super(RealRolePolicyTestCase, self).setUp()
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self.policy = self.useFixture(policy_fixture.RealPolicyFixture())
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self.admin_context = context.RequestContext('fake', 'fake', True,
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roles=['member'])
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self.non_admin_context = context.RequestContext('fake', 'fake',
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roles=['member'])
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self.target = {}
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self.fake_policy = jsonutils.loads(fake_policy.policy_data)
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self.admin_only_rules = (
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"os_masakari_api:extensions:index",
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"os_masakari_api:extensions:detail",
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"os_masakari_api:os-hosts:index",
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"os_masakari_api:os-hosts:detail",
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"os_masakari_api:os-hosts:create",
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"os_masakari_api:os-hosts:update",
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"os_masakari_api:os-hosts:delete",
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"os_masakari_api:segments:index",
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"os_masakari_api:segments:detail",
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"os_masakari_api:segments:create",
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"os_masakari_api:segments:update",
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"os_masakari_api:segments:delete",
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"os_masakari_api:notifications:index",
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"os_masakari_api:notifications:detail",
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"os_masakari_api:notifications:create"
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)
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def test_all_rules_in_sample_file(self):
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special_rules = ["context_is_admin", "admin_or_owner", "default"]
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for (name, rule) in self.fake_policy.items():
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if name in special_rules:
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continue
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self.assertIn(name, policy.get_rules())
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def test_admin_only_rules(self):
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for rule in self.admin_only_rules:
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self.assertRaises(exception.PolicyNotAuthorized, policy.authorize,
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self.non_admin_context, rule,
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{'project_id': 'fake', 'user_id': 'fake'})
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policy.authorize(self.admin_context, rule, self.target)
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