361 lines
14 KiB
Python
361 lines
14 KiB
Python
from __future__ import unicode_literals
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from datetime import date
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from django.conf import settings
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from django.contrib.auth.models import User, Group, Permission, AnonymousUser
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from django.contrib.auth.tests.utils import skipIfCustomUser
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from django.contrib.auth.tests.custom_user import ExtensionUser
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from django.contrib.contenttypes.models import ContentType
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from django.core.exceptions import ImproperlyConfigured, PermissionDenied
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from django.contrib.auth import authenticate
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from django.test import TestCase
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from django.test.utils import override_settings
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class BaseModelBackendTest(object):
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"""
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A base class for tests that need to validate the ModelBackend
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with different User models. Subclasses should define a class
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level UserModel attribute, and a create_users() method to
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construct two users for test purposes.
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"""
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backend = 'django.contrib.auth.backends.ModelBackend'
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def setUp(self):
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self.curr_auth = settings.AUTHENTICATION_BACKENDS
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settings.AUTHENTICATION_BACKENDS = (self.backend,)
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self.create_users()
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def tearDown(self):
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settings.AUTHENTICATION_BACKENDS = self.curr_auth
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# The custom_perms test messes with ContentTypes, which will
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# be cached; flush the cache to ensure there are no side effects
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# Refs #14975, #14925
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ContentType.objects.clear_cache()
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def test_has_perm(self):
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user = self.UserModel.objects.get(username='test')
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self.assertEqual(user.has_perm('auth.test'), False)
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user.is_staff = True
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user.save()
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self.assertEqual(user.has_perm('auth.test'), False)
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user.is_superuser = True
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user.save()
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self.assertEqual(user.has_perm('auth.test'), True)
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user.is_staff = False
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user.is_superuser = False
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user.save()
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self.assertEqual(user.has_perm('auth.test'), False)
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user.is_staff = True
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user.is_superuser = True
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user.is_active = False
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user.save()
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self.assertEqual(user.has_perm('auth.test'), False)
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def test_custom_perms(self):
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user = self.UserModel.objects.get(username='test')
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content_type = ContentType.objects.get_for_model(Group)
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perm = Permission.objects.create(name='test', content_type=content_type, codename='test')
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user.user_permissions.add(perm)
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user.save()
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# reloading user to purge the _perm_cache
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user = self.UserModel.objects.get(username='test')
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self.assertEqual(user.get_all_permissions() == set(['auth.test']), True)
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self.assertEqual(user.get_group_permissions(), set([]))
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self.assertEqual(user.has_module_perms('Group'), False)
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self.assertEqual(user.has_module_perms('auth'), True)
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perm = Permission.objects.create(name='test2', content_type=content_type, codename='test2')
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user.user_permissions.add(perm)
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user.save()
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perm = Permission.objects.create(name='test3', content_type=content_type, codename='test3')
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user.user_permissions.add(perm)
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user.save()
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user = self.UserModel.objects.get(username='test')
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self.assertEqual(user.get_all_permissions(), set(['auth.test2', 'auth.test', 'auth.test3']))
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self.assertEqual(user.has_perm('test'), False)
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self.assertEqual(user.has_perm('auth.test'), True)
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self.assertEqual(user.has_perms(['auth.test2', 'auth.test3']), True)
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perm = Permission.objects.create(name='test_group', content_type=content_type, codename='test_group')
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group = Group.objects.create(name='test_group')
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group.permissions.add(perm)
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group.save()
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user.groups.add(group)
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user = self.UserModel.objects.get(username='test')
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exp = set(['auth.test2', 'auth.test', 'auth.test3', 'auth.test_group'])
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self.assertEqual(user.get_all_permissions(), exp)
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self.assertEqual(user.get_group_permissions(), set(['auth.test_group']))
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self.assertEqual(user.has_perms(['auth.test3', 'auth.test_group']), True)
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user = AnonymousUser()
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self.assertEqual(user.has_perm('test'), False)
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self.assertEqual(user.has_perms(['auth.test2', 'auth.test3']), False)
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def test_has_no_object_perm(self):
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"""Regressiontest for #12462"""
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user = self.UserModel.objects.get(username='test')
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content_type = ContentType.objects.get_for_model(Group)
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perm = Permission.objects.create(name='test', content_type=content_type, codename='test')
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user.user_permissions.add(perm)
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user.save()
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self.assertEqual(user.has_perm('auth.test', 'object'), False)
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self.assertEqual(user.get_all_permissions('object'), set([]))
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self.assertEqual(user.has_perm('auth.test'), True)
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self.assertEqual(user.get_all_permissions(), set(['auth.test']))
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def test_get_all_superuser_permissions(self):
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"A superuser has all permissions. Refs #14795"
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user = self.UserModel.objects.get(username='test2')
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self.assertEqual(len(user.get_all_permissions()), len(Permission.objects.all()))
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@skipIfCustomUser
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class ModelBackendTest(BaseModelBackendTest, TestCase):
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"""
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Tests for the ModelBackend using the default User model.
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"""
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UserModel = User
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def create_users(self):
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User.objects.create_user(
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username='test',
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email='test@example.com',
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password='test',
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)
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User.objects.create_superuser(
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username='test2',
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email='test2@example.com',
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password='test',
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)
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@override_settings(AUTH_USER_MODEL='auth.ExtensionUser')
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class ExtensionUserModelBackendTest(BaseModelBackendTest, TestCase):
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"""
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Tests for the ModelBackend using the custom ExtensionUser model.
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This isn't a perfect test, because both the User and ExtensionUser are
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synchronized to the database, which wouldn't ordinary happen in
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production. As a result, it doesn't catch errors caused by the non-
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existence of the User table.
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The specific problem is queries on .filter(groups__user) et al, which
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makes an implicit assumption that the user model is called 'User'. In
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production, the auth.User table won't exist, so the requested join
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won't exist either; in testing, the auth.User *does* exist, and
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so does the join. However, the join table won't contain any useful
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data; for testing, we check that the data we expect actually does exist.
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"""
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UserModel = ExtensionUser
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def create_users(self):
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ExtensionUser.objects.create_user(
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username='test',
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email='test@example.com',
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password='test',
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date_of_birth=date(2006, 4, 25)
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)
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ExtensionUser.objects.create_superuser(
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username='test2',
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email='test2@example.com',
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password='test',
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date_of_birth=date(1976, 11, 8)
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)
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class TestObj(object):
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pass
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class SimpleRowlevelBackend(object):
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def has_perm(self, user, perm, obj=None):
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if not obj:
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return # We only support row level perms
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if isinstance(obj, TestObj):
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if user.username == 'test2':
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return True
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elif user.is_anonymous() and perm == 'anon':
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return True
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elif not user.is_active and perm == 'inactive':
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return True
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return False
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def has_module_perms(self, user, app_label):
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if not user.is_anonymous() and not user.is_active:
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return False
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return app_label == "app1"
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def get_all_permissions(self, user, obj=None):
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if not obj:
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return [] # We only support row level perms
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if not isinstance(obj, TestObj):
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return ['none']
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if user.is_anonymous():
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return ['anon']
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if user.username == 'test2':
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return ['simple', 'advanced']
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else:
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return ['simple']
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def get_group_permissions(self, user, obj=None):
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if not obj:
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return # We only support row level perms
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if not isinstance(obj, TestObj):
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return ['none']
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if 'test_group' in [group.name for group in user.groups.all()]:
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return ['group_perm']
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else:
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return ['none']
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@skipIfCustomUser
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class RowlevelBackendTest(TestCase):
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"""
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Tests for auth backend that supports object level permissions
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"""
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backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
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def setUp(self):
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self.curr_auth = settings.AUTHENTICATION_BACKENDS
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settings.AUTHENTICATION_BACKENDS = tuple(self.curr_auth) + (self.backend,)
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self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
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self.user2 = User.objects.create_user('test2', 'test2@example.com', 'test')
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self.user3 = User.objects.create_user('test3', 'test3@example.com', 'test')
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def tearDown(self):
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settings.AUTHENTICATION_BACKENDS = self.curr_auth
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# The get_group_permissions test messes with ContentTypes, which will
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# be cached; flush the cache to ensure there are no side effects
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# Refs #14975, #14925
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ContentType.objects.clear_cache()
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def test_has_perm(self):
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self.assertEqual(self.user1.has_perm('perm', TestObj()), False)
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self.assertEqual(self.user2.has_perm('perm', TestObj()), True)
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self.assertEqual(self.user2.has_perm('perm'), False)
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self.assertEqual(self.user2.has_perms(['simple', 'advanced'], TestObj()), True)
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self.assertEqual(self.user3.has_perm('perm', TestObj()), False)
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self.assertEqual(self.user3.has_perm('anon', TestObj()), False)
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self.assertEqual(self.user3.has_perms(['simple', 'advanced'], TestObj()), False)
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def test_get_all_permissions(self):
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self.assertEqual(self.user1.get_all_permissions(TestObj()), set(['simple']))
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self.assertEqual(self.user2.get_all_permissions(TestObj()), set(['simple', 'advanced']))
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self.assertEqual(self.user2.get_all_permissions(), set([]))
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def test_get_group_permissions(self):
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group = Group.objects.create(name='test_group')
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self.user3.groups.add(group)
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self.assertEqual(self.user3.get_group_permissions(TestObj()), set(['group_perm']))
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class AnonymousUserBackendTest(TestCase):
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"""
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Tests for AnonymousUser delegating to backend.
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"""
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backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
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def setUp(self):
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self.curr_auth = settings.AUTHENTICATION_BACKENDS
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settings.AUTHENTICATION_BACKENDS = (self.backend,)
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self.user1 = AnonymousUser()
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def tearDown(self):
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settings.AUTHENTICATION_BACKENDS = self.curr_auth
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def test_has_perm(self):
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self.assertEqual(self.user1.has_perm('perm', TestObj()), False)
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self.assertEqual(self.user1.has_perm('anon', TestObj()), True)
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def test_has_perms(self):
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self.assertEqual(self.user1.has_perms(['anon'], TestObj()), True)
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self.assertEqual(self.user1.has_perms(['anon', 'perm'], TestObj()), False)
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def test_has_module_perms(self):
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self.assertEqual(self.user1.has_module_perms("app1"), True)
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self.assertEqual(self.user1.has_module_perms("app2"), False)
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def test_get_all_permissions(self):
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self.assertEqual(self.user1.get_all_permissions(TestObj()), set(['anon']))
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@skipIfCustomUser
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@override_settings(AUTHENTICATION_BACKENDS=[])
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class NoBackendsTest(TestCase):
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"""
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Tests that an appropriate error is raised if no auth backends are provided.
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"""
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def setUp(self):
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self.user = User.objects.create_user('test', 'test@example.com', 'test')
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def test_raises_exception(self):
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self.assertRaises(ImproperlyConfigured, self.user.has_perm, ('perm', TestObj(),))
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@skipIfCustomUser
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class InActiveUserBackendTest(TestCase):
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"""
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Tests for a inactive user
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"""
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backend = 'django.contrib.auth.tests.auth_backends.SimpleRowlevelBackend'
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def setUp(self):
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self.curr_auth = settings.AUTHENTICATION_BACKENDS
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settings.AUTHENTICATION_BACKENDS = (self.backend,)
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self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
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self.user1.is_active = False
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self.user1.save()
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def tearDown(self):
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settings.AUTHENTICATION_BACKENDS = self.curr_auth
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def test_has_perm(self):
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self.assertEqual(self.user1.has_perm('perm', TestObj()), False)
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self.assertEqual(self.user1.has_perm('inactive', TestObj()), True)
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def test_has_module_perms(self):
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self.assertEqual(self.user1.has_module_perms("app1"), False)
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self.assertEqual(self.user1.has_module_perms("app2"), False)
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class PermissionDeniedBackend(object):
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"""
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Always raises PermissionDenied.
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"""
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supports_object_permissions = True
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supports_anonymous_user = True
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supports_inactive_user = True
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def authenticate(self, username=None, password=None):
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raise PermissionDenied
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class PermissionDeniedBackendTest(TestCase):
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"""
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Tests that other backends are not checked once a backend raises PermissionDenied
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"""
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backend = 'django.contrib.auth.tests.auth_backends.PermissionDeniedBackend'
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def setUp(self):
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self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
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self.user1.save()
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@override_settings(AUTHENTICATION_BACKENDS=(backend, ) +
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tuple(settings.AUTHENTICATION_BACKENDS))
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def test_permission_denied(self):
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"user is not authenticated after a backend raises permission denied #2550"
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self.assertEqual(authenticate(username='test', password='test'), None)
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@override_settings(AUTHENTICATION_BACKENDS=tuple(
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settings.AUTHENTICATION_BACKENDS) + (backend, ))
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def test_authenticates(self):
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self.assertEqual(authenticate(username='test', password='test'), self.user1)
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