625 lines
23 KiB
Python
625 lines
23 KiB
Python
from __future__ import unicode_literals
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from datetime import date
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from django.contrib.auth import (
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BACKEND_SESSION_KEY, SESSION_KEY, authenticate, get_user,
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)
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from django.contrib.auth.backends import ModelBackend
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from django.contrib.auth.hashers import MD5PasswordHasher
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from django.contrib.auth.models import AnonymousUser, Group, Permission, User
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from django.contrib.auth.tests.custom_user import CustomUser, 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.http import HttpRequest
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from django.test import (
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SimpleTestCase, TestCase, modify_settings, override_settings,
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)
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from .models import CustomPermissionsUser, UUIDUser
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class CountingMD5PasswordHasher(MD5PasswordHasher):
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"""Hasher that counts how many times it computes a hash."""
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calls = 0
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def encode(self, *args, **kwargs):
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type(self).calls += 1
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return super(CountingMD5PasswordHasher, self).encode(*args, **kwargs)
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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.patched_settings = modify_settings(
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AUTHENTICATION_BACKENDS={'append': self.backend},
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)
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self.patched_settings.enable()
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self.create_users()
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def tearDown(self):
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self.patched_settings.disable()
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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._default_manager.get(pk=self.user.pk)
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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 = 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._default_manager.get(pk=self.user.pk)
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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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# reloading user to purge the _perm_cache
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user = self.UserModel._default_manager.get(pk=self.user.pk)
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self.assertEqual(user.get_all_permissions() == {'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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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 = self.UserModel._default_manager.get(pk=self.user.pk)
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self.assertEqual(user.get_all_permissions(), {'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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user.groups.add(group)
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user = self.UserModel._default_manager.get(pk=self.user.pk)
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exp = {'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(), {'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._default_manager.get(pk=self.user.pk)
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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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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(), {'auth.test'})
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def test_anonymous_has_no_permissions(self):
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"""
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#17903 -- Anonymous users shouldn't have permissions in
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ModelBackend.get_(all|user|group)_permissions().
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"""
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backend = ModelBackend()
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user = self.UserModel._default_manager.get(pk=self.user.pk)
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content_type = ContentType.objects.get_for_model(Group)
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user_perm = Permission.objects.create(name='test', content_type=content_type, codename='test_user')
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group_perm = Permission.objects.create(name='test2', content_type=content_type, codename='test_group')
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user.user_permissions.add(user_perm)
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group = Group.objects.create(name='test_group')
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user.groups.add(group)
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group.permissions.add(group_perm)
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self.assertEqual(backend.get_all_permissions(user), {'auth.test_user', 'auth.test_group'})
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self.assertEqual(backend.get_user_permissions(user), {'auth.test_user', 'auth.test_group'})
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self.assertEqual(backend.get_group_permissions(user), {'auth.test_group'})
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user.is_anonymous = lambda: True
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self.assertEqual(backend.get_all_permissions(user), set())
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self.assertEqual(backend.get_user_permissions(user), set())
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self.assertEqual(backend.get_group_permissions(user), set())
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def test_inactive_has_no_permissions(self):
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"""
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#17903 -- Inactive users shouldn't have permissions in
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ModelBackend.get_(all|user|group)_permissions().
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"""
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backend = ModelBackend()
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user = self.UserModel._default_manager.get(pk=self.user.pk)
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content_type = ContentType.objects.get_for_model(Group)
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user_perm = Permission.objects.create(name='test', content_type=content_type, codename='test_user')
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group_perm = Permission.objects.create(name='test2', content_type=content_type, codename='test_group')
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user.user_permissions.add(user_perm)
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group = Group.objects.create(name='test_group')
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user.groups.add(group)
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group.permissions.add(group_perm)
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self.assertEqual(backend.get_all_permissions(user), {'auth.test_user', 'auth.test_group'})
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self.assertEqual(backend.get_user_permissions(user), {'auth.test_user', 'auth.test_group'})
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self.assertEqual(backend.get_group_permissions(user), {'auth.test_group'})
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user.is_active = False
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user.save()
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self.assertEqual(backend.get_all_permissions(user), set())
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self.assertEqual(backend.get_user_permissions(user), set())
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self.assertEqual(backend.get_group_permissions(user), set())
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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._default_manager.get(pk=self.superuser.pk)
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self.assertEqual(len(user.get_all_permissions()), len(Permission.objects.all()))
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@override_settings(PASSWORD_HASHERS=['auth_tests.test_auth_backends.CountingMD5PasswordHasher'])
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def test_authentication_timing(self):
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"""Hasher is run once regardless of whether the user exists. Refs #20760."""
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# Re-set the password, because this tests overrides PASSWORD_HASHERS
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self.user.set_password('test')
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self.user.save()
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CountingMD5PasswordHasher.calls = 0
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username = getattr(self.user, self.UserModel.USERNAME_FIELD)
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authenticate(username=username, password='test')
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self.assertEqual(CountingMD5PasswordHasher.calls, 1)
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CountingMD5PasswordHasher.calls = 0
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authenticate(username='no_such_user', password='test')
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self.assertEqual(CountingMD5PasswordHasher.calls, 1)
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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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self.user = 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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self.superuser = 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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self.user = ExtensionUser._default_manager.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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self.superuser = ExtensionUser._default_manager.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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@override_settings(AUTH_USER_MODEL='auth_tests.CustomPermissionsUser')
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class CustomPermissionsUserModelBackendTest(BaseModelBackendTest, TestCase):
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"""
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Tests for the ModelBackend using the CustomPermissionsUser model.
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As with the ExtensionUser test, this isn't a perfect test, because both
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the User and CustomPermissionsUser are synchronized to the database,
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which wouldn't ordinary happen in production.
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"""
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UserModel = CustomPermissionsUser
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def create_users(self):
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self.user = CustomPermissionsUser._default_manager.create_user(
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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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self.superuser = CustomPermissionsUser._default_manager.create_superuser(
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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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@override_settings(AUTH_USER_MODEL='auth.CustomUser')
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class CustomUserModelBackendAuthenticateTest(TestCase):
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"""
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Tests that the model backend can accept a credentials kwarg labeled with
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custom user model's USERNAME_FIELD.
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"""
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def test_authenticate(self):
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test_user = CustomUser._default_manager.create_user(
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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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authenticated_user = authenticate(email='test@example.com', password='test')
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self.assertEqual(test_user, authenticated_user)
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@override_settings(AUTH_USER_MODEL='auth_tests.UUIDUser')
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class UUIDUserTests(TestCase):
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def test_login(self):
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"""
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A custom user with a UUID primary key should be able to login.
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"""
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user = UUIDUser.objects.create_user(username='uuid', password='test')
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self.assertTrue(self.client.login(username='uuid', password='test'))
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self.assertEqual(UUIDUser.objects.get(pk=self.client.session[SESSION_KEY]), user)
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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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@modify_settings(AUTHENTICATION_BACKENDS={
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'append': 'auth_tests.test_auth_backends.SimpleRowlevelBackend',
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})
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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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def setUp(self):
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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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# 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()), {'simple'})
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self.assertEqual(self.user2.get_all_permissions(TestObj()), {'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()), {'group_perm'})
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@override_settings(
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AUTHENTICATION_BACKENDS=['auth_tests.test_auth_backends.SimpleRowlevelBackend'],
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)
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class AnonymousUserBackendTest(SimpleTestCase):
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"""
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Tests for AnonymousUser delegating to backend.
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"""
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def setUp(self):
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self.user1 = AnonymousUser()
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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()), {'anon'})
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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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@override_settings(AUTHENTICATION_BACKENDS=['auth_tests.test_auth_backends.SimpleRowlevelBackend'])
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class InActiveUserBackendTest(TestCase):
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"""
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Tests for an inactive user
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"""
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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.is_active = False
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self.user1.save()
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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 in `authenticate`, `has_perm` and `has_module_perms`.
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"""
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def authenticate(self, username=None, password=None):
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raise PermissionDenied
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def has_perm(self, user_obj, perm, obj=None):
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raise PermissionDenied
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def has_module_perms(self, user_obj, app_label):
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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
|
|
"""
|
|
backend = 'auth_tests.test_auth_backends.PermissionDeniedBackend'
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|
|
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def setUp(self):
|
|
self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
|
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self.user1.save()
|
|
|
|
@modify_settings(AUTHENTICATION_BACKENDS={'prepend': backend})
|
|
def test_permission_denied(self):
|
|
"user is not authenticated after a backend raises permission denied #2550"
|
|
self.assertEqual(authenticate(username='test', password='test'), None)
|
|
|
|
@modify_settings(AUTHENTICATION_BACKENDS={'append': backend})
|
|
def test_authenticates(self):
|
|
self.assertEqual(authenticate(username='test', password='test'), self.user1)
|
|
|
|
@modify_settings(AUTHENTICATION_BACKENDS={'prepend': backend})
|
|
def test_has_perm_denied(self):
|
|
content_type = ContentType.objects.get_for_model(Group)
|
|
perm = Permission.objects.create(name='test', content_type=content_type, codename='test')
|
|
self.user1.user_permissions.add(perm)
|
|
|
|
self.assertIs(self.user1.has_perm('auth.test'), False)
|
|
self.assertIs(self.user1.has_module_perms('auth'), False)
|
|
|
|
@modify_settings(AUTHENTICATION_BACKENDS={'append': backend})
|
|
def test_has_perm(self):
|
|
content_type = ContentType.objects.get_for_model(Group)
|
|
perm = Permission.objects.create(name='test', content_type=content_type, codename='test')
|
|
self.user1.user_permissions.add(perm)
|
|
|
|
self.assertIs(self.user1.has_perm('auth.test'), True)
|
|
self.assertIs(self.user1.has_module_perms('auth'), True)
|
|
|
|
|
|
class NewModelBackend(ModelBackend):
|
|
pass
|
|
|
|
|
|
class ChangedBackendSettingsTest(TestCase):
|
|
"""
|
|
Tests for changes in the settings.AUTHENTICATION_BACKENDS
|
|
"""
|
|
backend = 'auth_tests.test_auth_backends.NewModelBackend'
|
|
|
|
TEST_USERNAME = 'test_user'
|
|
TEST_PASSWORD = 'test_password'
|
|
TEST_EMAIL = 'test@example.com'
|
|
|
|
def setUp(self):
|
|
User.objects.create_user(self.TEST_USERNAME,
|
|
self.TEST_EMAIL,
|
|
self.TEST_PASSWORD)
|
|
|
|
@override_settings(AUTHENTICATION_BACKENDS=[backend])
|
|
def test_changed_backend_settings(self):
|
|
"""
|
|
Tests that removing a backend configured in AUTHENTICATION_BACKENDS
|
|
make already logged-in users disconnect.
|
|
"""
|
|
|
|
# Get a session for the test user
|
|
self.assertTrue(self.client.login(
|
|
username=self.TEST_USERNAME,
|
|
password=self.TEST_PASSWORD)
|
|
)
|
|
|
|
# Prepare a request object
|
|
request = HttpRequest()
|
|
request.session = self.client.session
|
|
|
|
# Remove NewModelBackend
|
|
with self.settings(AUTHENTICATION_BACKENDS=[
|
|
'django.contrib.auth.backends.ModelBackend']):
|
|
# Get the user from the request
|
|
user = get_user(request)
|
|
|
|
# Assert that the user retrieval is successful and the user is
|
|
# anonymous as the backend is not longer available.
|
|
self.assertIsNotNone(user)
|
|
self.assertTrue(user.is_anonymous())
|
|
|
|
|
|
class TypeErrorBackend(object):
|
|
"""
|
|
Always raises TypeError.
|
|
"""
|
|
|
|
def authenticate(self, username=None, password=None):
|
|
raise TypeError
|
|
|
|
|
|
class TypeErrorBackendTest(TestCase):
|
|
"""
|
|
Tests that a TypeError within a backend is propagated properly.
|
|
|
|
Regression test for ticket #18171
|
|
"""
|
|
backend = 'auth_tests.test_auth_backends.TypeErrorBackend'
|
|
|
|
def setUp(self):
|
|
self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
|
|
|
|
@override_settings(AUTHENTICATION_BACKENDS=[backend])
|
|
def test_type_error_raised(self):
|
|
self.assertRaises(TypeError, authenticate, username='test', password='test')
|
|
|
|
|
|
class ImproperlyConfiguredUserModelTest(TestCase):
|
|
"""
|
|
Tests that an exception from within get_user_model is propagated and doesn't
|
|
raise an UnboundLocalError.
|
|
|
|
Regression test for ticket #21439
|
|
"""
|
|
def setUp(self):
|
|
self.user1 = User.objects.create_user('test', 'test@example.com', 'test')
|
|
self.client.login(
|
|
username='test',
|
|
password='test'
|
|
)
|
|
|
|
@override_settings(AUTH_USER_MODEL='thismodel.doesntexist')
|
|
def test_does_not_shadow_exception(self):
|
|
# Prepare a request object
|
|
request = HttpRequest()
|
|
request.session = self.client.session
|
|
|
|
self.assertRaises(ImproperlyConfigured, get_user, request)
|
|
|
|
|
|
class ImportedModelBackend(ModelBackend):
|
|
pass
|
|
|
|
|
|
class ImportedBackendTests(TestCase):
|
|
"""
|
|
#23925 - The backend path added to the session should be the same
|
|
as the one defined in AUTHENTICATION_BACKENDS setting.
|
|
"""
|
|
|
|
backend = 'auth_tests.backend_alias.ImportedModelBackend'
|
|
|
|
@override_settings(AUTHENTICATION_BACKENDS=[backend])
|
|
def test_backend_path(self):
|
|
username = 'username'
|
|
password = 'password'
|
|
User.objects.create_user(username, 'email', password)
|
|
self.assertTrue(self.client.login(username=username, password=password))
|
|
request = HttpRequest()
|
|
request.session = self.client.session
|
|
self.assertEqual(request.session[BACKEND_SESSION_KEY], self.backend)
|