1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
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.test import APIRequestFactory
import base64
factory = APIRequestFactory()
class BasicModel(models.Model):
text = models.CharField(max_length=100)
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 OwnerModel(models.Model):
text = models.CharField(max_length=100)
owner = models.ForeignKey(User)
class IsOwnerPermission(permissions.BasePermission):
def has_object_permission(self, request, view, obj):
return request.user == obj.owner
class OwnerInstanceView(generics.RetrieveUpdateDestroyAPIView):
model = OwnerModel
authentication_classes = [authentication.BasicAuthentication]
permission_classes = [IsOwnerPermission]
owner_instance_view = OwnerInstanceView.as_view()
class ObjectPermissionsIntegrationTests(TestCase):
"""
Integration tests for the object level permissions API.
"""
def setUp(self):
User.objects.create_user('not_owner', 'not_owner@example.com', 'password')
user = User.objects.create_user('owner', 'owner@example.com', 'password')
self.not_owner_credentials = basic_auth_header('not_owner', 'password')
self.owner_credentials = basic_auth_header('owner', 'password')
OwnerModel(text='foo', owner=user).save()
def test_owner_has_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.owner_credentials)
response = owner_instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
def test_non_owner_does_not_have_delete_permissions(self):
request = factory.delete('/1', HTTP_AUTHORIZATION=self.not_owner_credentials)
response = owner_instance_view(request, pk='1')
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
|
