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from __future__ import unicode_literals
from django.contrib.auth.models import User, Permission
from django.db import models
from django.test import TestCase
from rest_framework import generics, status, permissions, authentication, HTTP_HEADER_ENCODING
from rest_framework.compat import guardian
from rest_framework.test import APIRequestFactory
from rest_framework.tests.models import BasicModel
from rest_framework.settings import api_settings
import base64
factory = APIRequestFactory()
class RootView(generics.ListCreateAPIView):
model = BasicModel
authentication_classes = [authentication.BasicAuthentication]
permission_classes = [permissions.DjangoModelPermissions]
class InstanceView(generics.RetrieveUpdateDestroyAPIView):
model = BasicModel
authentication_classes = [authentication.BasicAuthentication]
permission_classes = [permissions.DjangoModelPermissions]
root_view = RootView.as_view()
instance_view = InstanceView.as_view()
def basic_auth_header(username, password):
credentials = ('%s:%s' % (username, password))
base64_credentials = base64.b64encode(credentials.encode(HTTP_HEADER_ENCODING)).decode(HTTP_HEADER_ENCODING)
return 'Basic %s' % base64_credentials
class ModelPermissionsIntegrationTests(TestCase):
def setUp(self):
User.objects.create_user('disallowed', 'disallowed@example.com', 'password')
user = User.objects.create_user('permitted', 'permitted@example.com', 'password')
user.user_permissions = [
Permission.objects.get(codename='add_basicmodel'),
Permission.objects.get(codename='change_basicmodel'),
Permission.objects.get(codename='delete_basicmodel')
]
user = User.objects.create_user('updateonly', 'updateonly@example.com', 'password')
user.user_permissions = [
Permission.objects.get(codename='change_basicmodel'),
]
self.permitted_credentials = basic_auth_header('permitted', 'password')
self.disallowed_credentials = basic_auth_header('disallowed', 'password')
self.updateonly_credentials = basic_auth_header('updateonly', 'password')
BasicModel(text='foo').save()
def test_has_create_permissions(self):
request = factory.post('/', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.permitted_credentials)
response = root_view(request, pk=1)
self.assertEqual(response.status_code, status.HTTP_201_CREATED)
def test_has_put_permissions(self):
request = factory.put('/1', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.permitted_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
def test_has_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.permitted_credentials)
response = instance_view(request, pk=1)
self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
def test_does_not_have_create_permissions(self):
request = factory.post('/', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.disallowed_credentials)
response = root_view(request, pk=1)
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
def test_does_not_have_put_permissions(self):
request = factory.put('/1', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.disallowed_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
def test_does_not_have_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.disallowed_credentials)
response = instance_view(request, pk=1)
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
def test_has_put_as_create_permissions(self):
# User only has update permissions - should be able to update an entity.
request = factory.put('/1', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.updateonly_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
# But if PUTing to a new entity, permission should be denied.
request = factory.put('/2', {'text': 'foobar'}, format='json',
HTTP_AUTHORIZATION=self.updateonly_credentials)
response = instance_view(request, pk='2')
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
def test_options_permitted(self):
request = factory.options('/',
HTTP_AUTHORIZATION=self.permitted_credentials)
response = root_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn('actions', response.data)
self.assertEqual(list(response.data['actions'].keys()), ['POST'])
request = factory.options('/1',
HTTP_AUTHORIZATION=self.permitted_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn('actions', response.data)
self.assertEqual(list(response.data['actions'].keys()), ['PUT'])
def test_options_disallowed(self):
request = factory.options('/',
HTTP_AUTHORIZATION=self.disallowed_credentials)
response = root_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertNotIn('actions', response.data)
request = factory.options('/1',
HTTP_AUTHORIZATION=self.disallowed_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertNotIn('actions', response.data)
def test_options_updateonly(self):
request = factory.options('/',
HTTP_AUTHORIZATION=self.updateonly_credentials)
response = root_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertNotIn('actions', response.data)
request = factory.options('/1',
HTTP_AUTHORIZATION=self.updateonly_credentials)
response = instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn('actions', response.data)
self.assertEqual(list(response.data['actions'].keys()), ['PUT'])
class BasicPermModel(BasicModel):
class Meta:
app_label = 'tests'
permissions = (
('read_basicpermmodel', "Can view basic perm model"),
# add, change, delete built in to django
)
class ObjectPermissionInstanceView(generics.RetrieveUpdateDestroyAPIView):
model = BasicModel
authentication_classes = [authentication.BasicAuthentication]
permission_classes = [permissions.DjangoObjectLevelModelPermissions]
object_permissions_view = ObjectPermissionInstanceView.as_view()
if guardian:
class ObjectPermissionsIntegrationTests(TestCase):
"""
Integration tests for the object level permissions API.
"""
def setUp(self):
# create users
User.objects.create_user('no_permission', 'no_permission@example.com', 'password')
reader = User.objects.create_user('reader', 'reader@example.com', 'password')
writer = User.objects.create_user('writer', 'writer@example.com', 'password')
full_access = User.objects.create_user('full_access', 'full_access@example.com', 'password')
model = BasicPermModel.objects.create(text='foo')
# assign permissions appropriately
from guardian.shortcuts import assign_perm
read = "read_basicpermmodel"
write = "change_basicpermmodel"
delete = "delete_basicpermmodel"
app_label = 'tests.'
# model level permissions
assign_perm(app_label + delete, full_access, obj=model)
(assign_perm(app_label + write, user, obj=model) for user in (writer, full_access))
(assign_perm(app_label + read, user, obj=model) for user in (reader, writer, full_access))
# object level permissions
assign_perm(delete, full_access, obj=model)
(assign_perm(write, user, obj=model) for user in (writer, full_access))
(assign_perm(read, user, obj=model) for user in (reader, writer, full_access))
self.no_permission_credentials = basic_auth_header('no_permission', 'password')
self.reader_credentials = basic_auth_header('reader', 'password')
self.writer_credentials = basic_auth_header('writer', 'password')
self.full_access_credentials = basic_auth_header('full_access', 'password')
def test_has_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.full_access_credentials)
response = object_permissions_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
def test_no_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.writer_credentials)
response = object_permissions_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
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