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import unittest
from repoze.bfg.testing import cleanUp
class TestACLAuthorizationPolicy(unittest.TestCase):
def setUp(self):
cleanUp()
def tearDown(self):
cleanUp()
def _getTargetClass(self):
from repoze.bfg.authorization import ACLAuthorizationPolicy
return ACLAuthorizationPolicy
def _makeOne(self):
return self._getTargetClass()()
def test_class_implements_IAuthorizationPolicy(self):
from zope.interface.verify import verifyClass
from repoze.bfg.interfaces import IAuthorizationPolicy
verifyClass(IAuthorizationPolicy, self._getTargetClass())
def test_instance_implements_IAuthorizationPolicy(self):
from zope.interface.verify import verifyObject
from repoze.bfg.interfaces import IAuthorizationPolicy
verifyObject(IAuthorizationPolicy, self._makeOne())
def test_permits_no_acl(self):
context = DummyContext()
policy = self._makeOne()
self.assertEqual(policy.permits(context, [], 'view'), False)
def test_permits(self):
from repoze.bfg.security import Deny
from repoze.bfg.security import Allow
from repoze.bfg.security import Everyone
from repoze.bfg.security import Authenticated
from repoze.bfg.security import ALL_PERMISSIONS
from repoze.bfg.security import DENY_ALL
root = DummyContext()
community = DummyContext(__name__='community', __parent__=root)
blog = DummyContext(__name__='blog', __parent__=community)
root.__acl__ = [
(Allow, Authenticated, VIEW),
]
community.__acl__ = [
(Allow, 'fred', ALL_PERMISSIONS),
(Allow, 'wilma', VIEW),
DENY_ALL,
]
blog.__acl__ = [
(Allow, 'barney', MEMBER_PERMS),
(Allow, 'wilma', VIEW),
]
policy = self._makeOne()
result = policy.permits(blog, [Everyone, Authenticated, 'wilma'],
'view')
self.assertEqual(result, True)
self.assertEqual(result.context, blog)
self.assertEqual(result.ace, (Allow, 'wilma', VIEW))
self.assertEqual(result.acl, blog.__acl__)
result = policy.permits(blog, [Everyone, Authenticated, 'wilma'],
'delete')
self.assertEqual(result, False)
self.assertEqual(result.context, community)
self.assertEqual(result.ace, (Deny, Everyone, ALL_PERMISSIONS))
self.assertEqual(result.acl, community.__acl__)
result = policy.permits(blog, [Everyone, Authenticated, 'fred'], 'view')
self.assertEqual(result, True)
self.assertEqual(result.context, community)
self.assertEqual(result.ace, (Allow, 'fred', ALL_PERMISSIONS))
result = policy.permits(blog, [Everyone, Authenticated, 'fred'],
'doesntevenexistyet')
self.assertEqual(result, True)
self.assertEqual(result.context, community)
self.assertEqual(result.ace, (Allow, 'fred', ALL_PERMISSIONS))
self.assertEqual(result.acl, community.__acl__)
result = policy.permits(blog, [Everyone, Authenticated, 'barney'],
'view')
self.assertEqual(result, True)
self.assertEqual(result.context, blog)
self.assertEqual(result.ace, (Allow, 'barney', MEMBER_PERMS))
result = policy.permits(blog, [Everyone, Authenticated, 'barney'],
'administer')
self.assertEqual(result, False)
self.assertEqual(result.context, community)
self.assertEqual(result.ace, (Deny, Everyone, ALL_PERMISSIONS))
self.assertEqual(result.acl, community.__acl__)
result = policy.permits(root, [Everyone, Authenticated, 'someguy'],
'view')
self.assertEqual(result, True)
self.assertEqual(result.context, root)
self.assertEqual(result.ace, (Allow, Authenticated, VIEW))
result = policy.permits(blog,
[Everyone, Authenticated, 'someguy'], 'view')
self.assertEqual(result, False)
self.assertEqual(result.context, community)
self.assertEqual(result.ace, (Deny, Everyone, ALL_PERMISSIONS))
self.assertEqual(result.acl, community.__acl__)
result = policy.permits(root, [Everyone], 'view')
self.assertEqual(result, False)
self.assertEqual(result.context, root)
self.assertEqual(result.ace, '<default deny>')
self.assertEqual(result.acl, root.__acl__)
context = DummyContext()
result = policy.permits(context, [Everyone], 'view')
self.assertEqual(result, False)
self.assertEqual(result.ace, '<default deny>')
self.assertEqual(
result.acl,
'<No ACL found on any object in model lineage>')
def test_principals_allowed_by_permission_direct(self):
from repoze.bfg.security import Allow
from repoze.bfg.security import DENY_ALL
context = DummyContext()
acl = [ (Allow, 'chrism', ('read', 'write')),
DENY_ALL,
(Allow, 'other', 'read') ]
context.__acl__ = acl
policy = self._makeOne()
result = sorted(
policy.principals_allowed_by_permission(context, 'read'))
self.assertEqual(result, ['chrism'])
def test_principals_allowed_by_permission(self):
from repoze.bfg.security import Allow
from repoze.bfg.security import Deny
from repoze.bfg.security import DENY_ALL
from repoze.bfg.security import ALL_PERMISSIONS
root = DummyContext(__name__='', __parent__=None)
community = DummyContext(__name__='community', __parent__=root)
blog = DummyContext(__name__='blog', __parent__=community)
root.__acl__ = [ (Allow, 'chrism', ('read', 'write')),
(Allow, 'other', ('read',)),
(Allow, 'jim', ALL_PERMISSIONS)]
community.__acl__ = [ (Deny, 'flooz', 'read'),
(Allow, 'flooz', 'read'),
(Allow, 'mork', 'read'),
(Deny, 'jim', 'read'),
(Allow, 'someguy', 'manage')]
blog.__acl__ = [ (Allow, 'fred', 'read'),
DENY_ALL]
policy = self._makeOne()
result = sorted(policy.principals_allowed_by_permission(blog, 'read'))
self.assertEqual(result, ['fred'])
result = sorted(policy.principals_allowed_by_permission(community,
'read'))
self.assertEqual(result, ['chrism', 'mork', 'other'])
result = sorted(policy.principals_allowed_by_permission(community,
'read'))
result = sorted(policy.principals_allowed_by_permission(root, 'read'))
self.assertEqual(result, ['chrism', 'jim', 'other'])
def test_principals_allowed_by_permission_no_acls(self):
context = DummyContext()
policy = self._makeOne()
result = sorted(policy.principals_allowed_by_permission(context,'read'))
self.assertEqual(result, [])
class DummyContext:
def __init__(self, *arg, **kw):
self.__dict__.update(kw)
VIEW = 'view'
EDIT = 'edit'
CREATE = 'create'
DELETE = 'delete'
MODERATE = 'moderate'
ADMINISTER = 'administer'
COMMENT = 'comment'
GUEST_PERMS = (VIEW, COMMENT)
MEMBER_PERMS = GUEST_PERMS + (EDIT, CREATE, DELETE)
MODERATOR_PERMS = MEMBER_PERMS + (MODERATE,)
ADMINISTRATOR_PERMS = MODERATOR_PERMS + (ADMINISTER,)
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