234 lines
8.6 KiB
Python
234 lines
8.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Piston Cloud Computing, Inc.
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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 Manila."""
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import os.path
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import StringIO
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import urllib2
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from manila import context
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from manila import exception
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import manila.openstack.common.policy
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from manila.openstack.common import policy as common_policy
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from manila import policy
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from manila import test
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from manila import utils
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from oslo.config import cfg
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CONF = cfg.CONF
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class PolicyFileTestCase(test.TestCase):
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def setUp(self):
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super(PolicyFileTestCase, self).setUp()
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# since is_admin is defined by policy, create context before reset
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self.context = context.RequestContext('fake', 'fake')
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policy.reset()
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self.target = {}
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def tearDown(self):
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super(PolicyFileTestCase, self).tearDown()
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policy.reset()
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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)
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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.enforce(self.context, action, self.target)
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with open(tmpfilename, "w") as policyfile:
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policyfile.write("""{"example:test": ["false:false"]}""")
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# NOTE(vish): reset stored policy cache so we don't have to
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# sleep(1)
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policy._POLICY_CACHE = {}
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, self.target)
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class PolicyTestCase(test.TestCase):
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def setUp(self):
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super(PolicyTestCase, self).setUp()
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policy.reset()
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# NOTE(vish): preload rules to circumvent reloading from file
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policy.init()
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rules = {
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"true": [],
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"example:allowed": [],
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"example:denied": [["false:false"]],
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"example:get_http": [["http:http://www.example.com"]],
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"example:my_file": [["role:compute_admin"],
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["project_id:%(project_id)s"]],
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"example:early_and_fail": [["false:false", "rule:true"]],
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"example:early_or_success": [["rule:true"], ["false:false"]],
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"example:lowercase_admin": [["role:admin"], ["role:sysadmin"]],
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"example:uppercase_admin": [["role:ADMIN"], ["role:sysadmin"]],
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}
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# NOTE(vish): then overload underlying brain
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common_policy.set_brain(common_policy.HttpBrain(rules))
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self.context = context.RequestContext('fake', 'fake', roles=['member'])
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self.target = {}
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def tearDown(self):
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policy.reset()
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super(PolicyTestCase, self).tearDown()
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def test_enforce_nonexistent_action_throws(self):
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action = "example:noexist"
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, self.target)
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def test_enforce_bad_action_throws(self):
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action = "example:denied"
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, self.target)
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def test_enforce_good_action(self):
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action = "example:allowed"
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policy.enforce(self.context, action, self.target)
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def test_enforce_http_true(self):
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def fakeurlopen(url, post_data):
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return StringIO.StringIO("True")
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self.stubs.Set(urllib2, 'urlopen', fakeurlopen)
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action = "example:get_http"
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target = {}
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result = policy.enforce(self.context, action, target)
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self.assertEqual(result, None)
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def test_enforce_http_false(self):
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def fakeurlopen(url, post_data):
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return StringIO.StringIO("False")
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self.stubs.Set(urllib2, 'urlopen', fakeurlopen)
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action = "example:get_http"
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target = {}
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, target)
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def test_templatized_enforcement(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.enforce(self.context, action, target_mine)
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, target_not_mine)
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def test_early_AND_enforcement(self):
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action = "example:early_and_fail"
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, action, self.target)
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def test_early_OR_enforcement(self):
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action = "example:early_or_success"
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policy.enforce(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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# NOTE(dprince) we mix case in the Admin role here to ensure
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# case is ignored
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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.enforce(admin_context, lowercase_action, self.target)
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policy.enforce(admin_context, uppercase_action, self.target)
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class DefaultPolicyTestCase(test.TestCase):
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def setUp(self):
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super(DefaultPolicyTestCase, self).setUp()
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policy.reset()
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policy.init()
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self.rules = {
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"default": [],
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"example:exist": [["false:false"]]
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}
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self._set_brain('default')
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self.context = context.RequestContext('fake', 'fake')
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def _set_brain(self, default_rule):
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brain = manila.openstack.common.policy.HttpBrain(self.rules,
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default_rule)
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manila.openstack.common.policy.set_brain(brain)
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def tearDown(self):
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super(DefaultPolicyTestCase, self).tearDown()
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policy.reset()
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def test_policy_called(self):
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, "example:exist", {})
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def test_not_found_policy_calls_default(self):
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policy.enforce(self.context, "example:noexist", {})
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def test_default_not_found(self):
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self._set_brain("default_noexist")
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self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
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self.context, "example:noexist", {})
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class ContextIsAdminPolicyTestCase(test.TestCase):
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def setUp(self):
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super(ContextIsAdminPolicyTestCase, self).setUp()
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policy.reset()
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policy.init()
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def test_default_admin_role_is_admin(self):
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ctx = context.RequestContext('fake', 'fake', roles=['johnny-admin'])
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self.assertFalse(ctx.is_admin)
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ctx = context.RequestContext('fake', 'fake', roles=['admin'])
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self.assert_(ctx.is_admin)
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def test_custom_admin_role_is_admin(self):
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# define explict rules for context_is_admin
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rules = {
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'context_is_admin': [["role:administrator"], ["role:johnny-admin"]]
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}
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brain = common_policy.Brain(rules, CONF.policy_default_rule)
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common_policy.set_brain(brain)
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ctx = context.RequestContext('fake', 'fake', roles=['johnny-admin'])
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self.assert_(ctx.is_admin)
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ctx = context.RequestContext('fake', 'fake', roles=['administrator'])
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self.assert_(ctx.is_admin)
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# default rule no longer applies
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ctx = context.RequestContext('fake', 'fake', roles=['admin'])
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self.assertFalse(ctx.is_admin)
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def test_context_is_admin_undefined(self):
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rules = {
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"admin_or_owner": [["role:admin"], ["project_id:%(project_id)s"]],
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"default": [["rule:admin_or_owner"]],
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}
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brain = common_policy.Brain(rules, CONF.policy_default_rule)
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common_policy.set_brain(brain)
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ctx = context.RequestContext('fake', 'fake')
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self.assertFalse(ctx.is_admin)
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ctx = context.RequestContext('fake', 'fake', roles=['admin'])
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self.assert_(ctx.is_admin)
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