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testModuleSecurity.py
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testModuleSecurity.py
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##############################################################################
#
# Copyright (c) 2008 Zope Foundation and Contributors.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
import unittest
from AccessControl.ZopeGuards import import_default_level
class ModuleSecurityTests(unittest.TestCase):
def setUp(self):
from AccessControl import ModuleSecurityInfo as MSI
mod = 'AccessControl.tests'
MSI('%s.mixed_module' % mod).declarePublic('pub') # NOQA: D001
MSI('%s.public_module' % mod).declarePublic('pub') # NOQA: D001
MSI('%s.public_module.submodule' % mod).declarePublic('pub') # NOQA
def tearDown(self):
import sys
for module in ('AccessControl.tests.public_module',
'AccessControl.tests.public_module.submodule',
'AccessControl.tests.mixed_module',
'AccessControl.tests.mixed_module.submodule',
'AccessControl.tests.private_module',
'AccessControl.tests.private_module.submodule',
):
if module in sys.modules:
del sys.modules[module]
def assertUnauth(self, module, fromlist, level=import_default_level):
from zExceptions import Unauthorized
from AccessControl.ZopeGuards import guarded_import
self.assertRaises(Unauthorized, guarded_import, module,
fromlist=fromlist, level=level)
def assertAuth(self, module, fromlist, level=import_default_level):
from AccessControl.ZopeGuards import guarded_import
guarded_import(module, fromlist=fromlist, level=level)
def test_unprotected_module(self):
self.assertUnauth('os', ())
def testPrivateModule(self):
self.assertUnauth('AccessControl.tests.private_module', ())
self.assertUnauth('AccessControl.tests.private_module', ('priv',))
self.assertUnauth('AccessControl.tests.private_module.submodule', ())
self.assertUnauth('AccessControl.tests.private_module.submodule',
('priv',))
def testMixedModule(self):
self.assertAuth('AccessControl.tests.mixed_module', ())
self.assertAuth('AccessControl.tests.mixed_module', ('pub',))
self.assertUnauth('AccessControl.tests.mixed_module', ('priv',))
self.assertUnauth('AccessControl.tests.mixed_module.submodule', ())
def testPublicModule(self):
self.assertAuth('AccessControl.tests.public_module', ())
self.assertAuth('AccessControl.tests.public_module', ('pub',))
self.assertAuth('AccessControl.tests.public_module.submodule', ())
self.assertAuth('AccessControl.tests.public_module.submodule',
('pub',))
def testPublicModuleThreaded(self):
"""
Import the same module from two threads simultaneously, checking that
this does not result in a race condition.
"""
import threading
finished = []
def threaded_run():
self.assertAuth('AccessControl.tests.public_module', ())
finished.append(True)
threads = [threading.Thread(target=threaded_run) for _ in range(2)]
for t in threads:
t.start()
for t in threads:
t.join()
self.assertEqual(len(finished), 2)
def test_public_module_asterisk_not_allowed(self):
self.assertUnauth('AccessControl.tests.public_module', ('*',))
def test_failed_import_keeps_MSI(self):
# LP #281156
from AccessControl import ModuleSecurityInfo as MSI
from AccessControl.SecurityInfo import _moduleSecurity as MS
from AccessControl.ZopeGuards import guarded_import
MSI('AccessControl.tests.nonesuch').declarePublic('pub') # NOQA: D001
self.assertTrue('AccessControl.tests.nonesuch' in MS)
self.assertRaises(ImportError,
guarded_import,
'AccessControl.tests.nonesuch',
())
self.assertTrue('AccessControl.tests.nonesuch' in MS)
def test_level_default(self):
self.assertAuth('AccessControl.tests.public_module', (),
level=import_default_level)
def test_level_nondefault(self):
self.assertUnauth('AccessControl.tests.public_module', (), level=1)