from __future__ import unicode_literals from datetime import date from django.conf import settings from django.contrib.auth.models import User, Group, Permission, AnonymousUser from django.contrib.auth.tests.utils import skipIfCustomUser from django.contrib.auth.tests.custom_user import ExtensionUser, CustomPermissionsUser, CustomUser from django.contrib.contenttypes.models import ContentType from django.core.exceptions import ImproperlyConfigured from django.contrib.auth import authenticate from django.test import TestCase from django.test.utils import override_settings class BaseModelBackendTest(object): """ A base class for tests that need to validate the ModelBackend with different User models. Subclasses should define a class level UserModel attribute, and a create_users() method to construct two users for test purposes. """ backend = 'django.contrib.auth.backends.ModelBackend' def setUp(self): self.curr_auth = settings.AUTHENTICATION_BACKENDS settings.AUTHENTICATION_BACKENDS = (self.backend,) self.create_users() def tearDown(self): settings.AUTHENTICATION_BACKENDS = self.curr_auth # The custom_perms test messes with ContentTypes, which will # be cached; flush the cache to ensure there are no side effects # Refs #14975, #14925 ContentType.objects.clear_cache() def test_has_perm(self): user = self.UserModel._default_manager.get(pk=self.user.pk) self.assertEqual(user.has_perm('auth.test'), False) user.is_staff = True user.save() self.assertEqual(user.has_perm('auth.test'), False) user.is_superuser = True user.save() self.assertEqual(user.has_perm('auth.test'), True) user.is_staff = False user.is_superuser = False user.save() self.assertEqual(user.has_perm('auth.test'), False) user.is_staff = True user.is_superuser = True user.is_active = False user.save() self.assertEqual(user.has_perm('auth.test'), False) def test_custom_perms(self): user = self.UserModel._default_manager.get(pk=self.user.pk) content_type = ContentType.objects.get_for_model(Group) perm = Permission.objects.create(name='test', content_type=content_type, codename='test') user.user_permissions.add(perm) user.save() # reloading user to purge the _perm_cache user = self.UserModel._default_manager.get(pk=self.user.pk) self.assertEqual(user.get_all_permissions() == set(['auth.test']), True) self.assertEqual(user.get_group_permissions(), set([])) self.assertEqual(user.has_module_perms('Group'), False) self.assertEqual(user.has_module_perms('auth'), True) perm = Permission.objects.create(name='test2', content_type=content_type, codename='test2') user.user_permissions.add(perm) user.save() perm = Permission.objects.create(name='test3', content_type=content_type, codename='test3') user.user_permissions.add(perm) user.save() user = self.UserModel._default_manager.get(pk=self.user.pk) self.assertEqual(user.get_all_permissions(), set(['auth.test2', 'auth.test', 'auth.test3'])) self.assertEqual(user.has_perm('test'), False) self.assertEqual(user.has_perm('auth.test'), True) self.assertEqual(user.has_perms(['auth.test2', 'auth.test3']), True) perm = Permission.objects.create(name='test_group', content_type=content_type, codename='test_group') group = Group.objects.create(name='test_group') group.permissions.add(perm) group.save() user.groups.add(group) user = self.UserModel._default_manager.get(pk=self.user.pk) exp = set(['auth.test2', 'auth.test', 'auth.test3', 'auth.test_group']) self.assertEqual(user.get_all_permissions(), exp) self.assertEqual(user.get_group_permissions(), set(['auth.test_group'])) self.assertEqual(user.has_perms(['auth.test3', 'auth.test_group']), True) user = AnonymousUser() self.assertEqual(user.has_perm('test'), False) self.assertEqual(user.has_perms(['auth.test2', 'auth.test3']), False) def test_has_no_object_perm(self): """Regressiontest for #12462""" user = self.UserModel._default_manager.get(pk=self.user.pk) content_type = ContentType.objects.get_for_model(Group) perm = Permission.objects.create(name='test', content_type=content_type, codename='test') user.user_permissions.add(perm) user.save() self.assertEqual(user.has_perm('auth.test', 'object'), False) self.assertEqual(user.get_all_permissions('object'), set([])) self.assertEqual(user.has_perm('auth.test'), True) self.assertEqual(user.get_all_permissions(), set(['auth.test'])) def test_get_all_superuser_permissions(self): "A superuser has all permissions. Refs #14795" user = self.UserModel._default_manager.get(pk=self.superuser.pk) self.assertEqual(len(user.get_all_permissions()), len(Permission.objects.all())) @skipIfCustomUser class ModelBackendTest(BaseModelBackendTest, TestCase): """ Tests for the ModelBackend using the default User model. """ UserModel = User def create_users(self): self.user = User.objects.create_user( username='test', email='test@example.com', password='test', ) self.superuser = User.objects.create_superuser( username='test2', email='test2@example.com', password='test', ) @override_settings(AUTH_USER_MODEL='auth.ExtensionUser') class ExtensionUserModelBackendTest(BaseModelBackendTest, TestCase): """ Tests for the ModelBackend using the custom ExtensionUser model. This isn't a perfect test, because both the User and ExtensionUser are synchronized to the database, which wouldn't ordinary happen in production. As a result, it doesn't catch errors caused by the non- existence of the User table. The specific problem is queries on .filter(groups__user) et al, which makes an implicit assumption that the user model is called 'User'. In production, the auth.User table won't exist, so the requested join won't exist either; in testing, the auth.User *does* exist, and so does the join. However, the join table won't contain any useful data; for testing, we check that the data we expect actually does exist. """ UserModel = ExtensionUser def create_users(self): self.user = ExtensionUser._default_manager.create_user( username='test', email='test@example.com', password='test', date_of_birth=date(2006, 4, 25) ) self.superuser = ExtensionUser._default_manager.create_superuser( username='test2', email='test2@example.com', password='test', date_of_birth=date(1976, 11, 8) ) @override_settings(AUTH_USER_MODEL='auth.CustomPermissionsUser') class CustomPermissionsUserModelBackendTest(BaseModelBackendTest, TestCase): """ Tests for the ModelBackend using the CustomPermissionsUser model. As with the ExtensionUser test, this isn't a perfect test, because both the User and CustomPermissionsUser are synchronized to the database, which wouldn't ordinary happen in production. """ UserModel = CustomPermissionsUser def create_users(self): self.user = CustomPermissionsUser._default_manager.create_user( email='test@example.com', password='test', date_of_birth=date(2006, 4, 25) ) self.superuser = CustomPermissionsUser._default_manager.create_superuser( email='test2@example.com', password='test', date_of_birth=date(1976, 11, 8) ) @override_settings(AUTH_USER_MODEL='auth.CustomUser') class CustomUserModelBackendAuthenticateTest(TestCase): """ Tests that the model backend can accept a credentials kwarg labeled with custom user model's USERNAME_FIELD. """ def test_authenticate(self): test_user = CustomUser._default_manager.create_user( email='test@example.com', password='test', date_of_birth=date(2006, 4, 25) ) authenticated_user = authenticate(email='test@example.com', password='test') self.assertEqual(test_user, authenticated_user) class TestObj(object): pass class SimpleRowlevelBackend(object): def has_perm(self, user, perm, obj=None): if not obj: return # We only support row level perms if isinstance(obj, TestObj): if user.username == 'test2': return True elif user.is_anonymous() and perm == 'anon': return True elif not user.is_active and perm == 'inactive': return True return False def has_module_perms(self, user, app_label): if not user.is_anonymous() and not user.is_active: return False return app_label == "app1" def get_all_permissions(self, user, obj=None): if not obj: return [] # We only support row level perms if not isinstance(obj, TestObj): return ['none'] if user.is_anonymous(): return ['anon'] if user.username == 'test2': return ['simple', 'advanced'] else: return ['simple'] def get_group_permissions(self, user, obj=None): if not obj: return # We only support row level perms if not isinstance(obj, TestObj): return ['none'] if 'test_group' in [group.name for group in user.groups.all()]: return ['group_perm'] else: return ['none'] @skipIfCustomUser class RowlevelBackendTest(TestCase): """ Tests for auth backend that supports object level permissions """ backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend' def setUp(self): self.curr_auth = settings.AUTHENTICATION_BACKENDS settings.AUTHENTICATION_BACKENDS = tuple(self.curr_auth) + (self.backend,) self.user1 = User.objects.create_user('test', 'test@example.com', 'test') self.user2 = User.objects.create_user('test2', 'test2@example.com', 'test') self.user3 = User.objects.create_user('test3', 'test3@example.com', 'test') def tearDown(self): settings.AUTHENTICATION_BACKENDS = self.curr_auth # The get_group_permissions test messes with ContentTypes, which will # be cached; flush the cache to ensure there are no side effects # Refs #14975, #14925 ContentType.objects.clear_cache() def test_has_perm(self): self.assertEqual(self.user1.has_perm('perm', TestObj()), False) self.assertEqual(self.user2.has_perm('perm', TestObj()), True) self.assertEqual(self.user2.has_perm('perm'), False) self.assertEqual(self.user2.has_perms(['simple', 'advanced'], TestObj()), True) self.assertEqual(self.user3.has_perm('perm', TestObj()), False) self.assertEqual(self.user3.has_perm('anon', TestObj()), False) self.assertEqual(self.user3.has_perms(['simple', 'advanced'], TestObj()), False) def test_get_all_permissions(self): self.assertEqual(self.user1.get_all_permissions(TestObj()), set(['simple'])) self.assertEqual(self.user2.get_all_permissions(TestObj()), set(['simple', 'advanced'])) self.assertEqual(self.user2.get_all_permissions(), set([])) def test_get_group_permissions(self): group = Group.objects.create(name='test_group') self.user3.groups.add(group) self.assertEqual(self.user3.get_group_permissions(TestObj()), set(['group_perm'])) class AnonymousUserBackendTest(TestCase): """ Tests for AnonymousUser delegating to backend. """ backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend' def setUp(self): self.curr_auth = settings.AUTHENTICATION_BACKENDS settings.AUTHENTICATION_BACKENDS = (self.backend,) self.user1 = AnonymousUser() def tearDown(self): settings.AUTHENTICATION_BACKENDS = self.curr_auth def test_has_perm(self): self.assertEqual(self.user1.has_perm('perm', TestObj()), False) self.assertEqual(self.user1.has_perm('anon', TestObj()), True) def test_has_perms(self): self.assertEqual(self.user1.has_perms(['anon'], TestObj()), True) self.assertEqual(self.user1.has_perms(['anon', 'perm'], TestObj()), False) def test_has_module_perms(self): self.assertEqual(self.user1.has_module_perms("app1"), True) self.assertEqual(self.user1.has_module_perms("app2"), False) def test_get_all_permissions(self): self.assertEqual(self.user1.get_all_permissions(TestObj()), set(['anon'])) @skipIfCustomUser @override_settings(AUTHENTICATION_BACKENDS=[]) class NoBackendsTest(TestCase): """ Tests that an appropriate error is raised if no auth backends are provided. """ def setUp(self): self.user = User.objects.create_user('test', 'test@example.com', 'test') def test_raises_exception(self): self.assertRaises(ImproperlyConfigured, self.user.has_perm, ('perm', TestObj(),)) @skipIfCustomUser class InActiveUserBackendTest(TestCase): """ Tests for a inactive user """ backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend' def setUp(self): self.curr_auth = settings.AUTHENTICATION_BACKENDS settings.AUTHENTICATION_BACKENDS = (self.backend,) self.user1 = User.objects.create_user('test', 'test@example.com', 'test') self.user1.is_active = False self.user1.save() def tearDown(self): settings.AUTHENTICATION_BACKENDS = self.curr_auth def test_has_perm(self): self.assertEqual(self.user1.has_perm('perm', TestObj()), False) self.assertEqual(self.user1.has_perm('inactive', TestObj()), True) def test_has_module_perms(self): self.assertEqual(self.user1.has_module_perms("app1"), False) self.assertEqual(self.user1.has_module_perms("app2"), False)