295 lines
12 KiB
Python
295 lines
12 KiB
Python
# coding: utf-8
|
||
|
||
from __future__ import unicode_literals
|
||
|
||
import base64
|
||
|
||
from django.conf.urls import include, url
|
||
from django.contrib.auth.models import User
|
||
from django.http import HttpResponse
|
||
from django.test import TestCase
|
||
from django.utils import six
|
||
|
||
from rest_framework import (
|
||
HTTP_HEADER_ENCODING, exceptions, permissions, renderers, status
|
||
)
|
||
from rest_framework.authentication import (
|
||
BaseAuthentication, BasicAuthentication, SessionAuthentication,
|
||
TokenAuthentication
|
||
)
|
||
from rest_framework.authtoken.models import Token
|
||
from rest_framework.response import Response
|
||
from rest_framework.test import APIClient, APIRequestFactory
|
||
from rest_framework.views import APIView
|
||
|
||
factory = APIRequestFactory()
|
||
|
||
|
||
class MockView(APIView):
|
||
permission_classes = (permissions.IsAuthenticated,)
|
||
|
||
def get(self, request):
|
||
return HttpResponse({'a': 1, 'b': 2, 'c': 3})
|
||
|
||
def post(self, request):
|
||
return HttpResponse({'a': 1, 'b': 2, 'c': 3})
|
||
|
||
def put(self, request):
|
||
return HttpResponse({'a': 1, 'b': 2, 'c': 3})
|
||
|
||
|
||
urlpatterns = [
|
||
url(r'^session/$', MockView.as_view(authentication_classes=[SessionAuthentication])),
|
||
url(r'^basic/$', MockView.as_view(authentication_classes=[BasicAuthentication])),
|
||
url(r'^token/$', MockView.as_view(authentication_classes=[TokenAuthentication])),
|
||
url(r'^auth-token/$', 'rest_framework.authtoken.views.obtain_auth_token'),
|
||
url(r'^auth/', include('rest_framework.urls', namespace='rest_framework')),
|
||
]
|
||
|
||
|
||
class BasicAuthTests(TestCase):
|
||
"""Basic authentication"""
|
||
urls = 'tests.test_authentication'
|
||
|
||
def setUp(self):
|
||
self.csrf_client = APIClient(enforce_csrf_checks=True)
|
||
self.username = 'john'
|
||
self.email = 'lennon@thebeatles.com'
|
||
self.password = 'password'
|
||
self.user = User.objects.create_user(self.username, self.email, self.password)
|
||
|
||
def test_post_form_passing_basic_auth(self):
|
||
"""Ensure POSTing json over basic auth with correct credentials passes and does not require CSRF"""
|
||
credentials = ('%s:%s' % (self.username, self.password))
|
||
base64_credentials = base64.b64encode(credentials.encode(HTTP_HEADER_ENCODING)).decode(HTTP_HEADER_ENCODING)
|
||
auth = 'Basic %s' % base64_credentials
|
||
response = self.csrf_client.post('/basic/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_post_json_passing_basic_auth(self):
|
||
"""Ensure POSTing form over basic auth with correct credentials passes and does not require CSRF"""
|
||
credentials = ('%s:%s' % (self.username, self.password))
|
||
base64_credentials = base64.b64encode(credentials.encode(HTTP_HEADER_ENCODING)).decode(HTTP_HEADER_ENCODING)
|
||
auth = 'Basic %s' % base64_credentials
|
||
response = self.csrf_client.post('/basic/', {'example': 'example'}, format='json', HTTP_AUTHORIZATION=auth)
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_post_form_failing_basic_auth(self):
|
||
"""Ensure POSTing form over basic auth without correct credentials fails"""
|
||
response = self.csrf_client.post('/basic/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
|
||
|
||
def test_post_json_failing_basic_auth(self):
|
||
"""Ensure POSTing json over basic auth without correct credentials fails"""
|
||
response = self.csrf_client.post('/basic/', {'example': 'example'}, format='json')
|
||
self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
|
||
self.assertEqual(response['WWW-Authenticate'], 'Basic realm="api"')
|
||
|
||
|
||
class SessionAuthTests(TestCase):
|
||
"""User session authentication"""
|
||
urls = 'tests.test_authentication'
|
||
|
||
def setUp(self):
|
||
self.csrf_client = APIClient(enforce_csrf_checks=True)
|
||
self.non_csrf_client = APIClient(enforce_csrf_checks=False)
|
||
self.username = 'john'
|
||
self.email = 'lennon@thebeatles.com'
|
||
self.password = 'password'
|
||
self.user = User.objects.create_user(self.username, self.email, self.password)
|
||
|
||
def tearDown(self):
|
||
self.csrf_client.logout()
|
||
|
||
def test_login_view_renders_on_get(self):
|
||
"""
|
||
Ensure the login template renders for a basic GET.
|
||
|
||
cf. [#1810](https://github.com/tomchristie/django-rest-framework/pull/1810)
|
||
"""
|
||
response = self.csrf_client.get('/auth/login/')
|
||
self.assertContains(response, '<label for="id_username">Username:</label>')
|
||
|
||
def test_post_form_session_auth_failing_csrf(self):
|
||
"""
|
||
Ensure POSTing form over session authentication without CSRF token fails.
|
||
"""
|
||
self.csrf_client.login(username=self.username, password=self.password)
|
||
response = self.csrf_client.post('/session/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
|
||
|
||
def test_post_form_session_auth_passing(self):
|
||
"""
|
||
Ensure POSTing form over session authentication with logged in user and CSRF token passes.
|
||
"""
|
||
self.non_csrf_client.login(username=self.username, password=self.password)
|
||
response = self.non_csrf_client.post('/session/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_put_form_session_auth_passing(self):
|
||
"""
|
||
Ensure PUTting form over session authentication with logged in user and CSRF token passes.
|
||
"""
|
||
self.non_csrf_client.login(username=self.username, password=self.password)
|
||
response = self.non_csrf_client.put('/session/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_post_form_session_auth_failing(self):
|
||
"""
|
||
Ensure POSTing form over session authentication without logged in user fails.
|
||
"""
|
||
response = self.csrf_client.post('/session/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
|
||
|
||
|
||
class TokenAuthTests(TestCase):
|
||
"""Token authentication"""
|
||
urls = 'tests.test_authentication'
|
||
|
||
def setUp(self):
|
||
self.csrf_client = APIClient(enforce_csrf_checks=True)
|
||
self.username = 'john'
|
||
self.email = 'lennon@thebeatles.com'
|
||
self.password = 'password'
|
||
self.user = User.objects.create_user(self.username, self.email, self.password)
|
||
|
||
self.key = 'abcd1234'
|
||
self.token = Token.objects.create(key=self.key, user=self.user)
|
||
|
||
def test_post_form_passing_token_auth(self):
|
||
"""Ensure POSTing json over token auth with correct credentials passes and does not require CSRF"""
|
||
auth = 'Token ' + self.key
|
||
response = self.csrf_client.post('/token/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_fail_post_form_passing_invalid_token_auth(self):
|
||
# add an 'invalid' unicode character
|
||
auth = 'Token ' + self.key + "¸"
|
||
response = self.csrf_client.post('/token/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
|
||
self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
|
||
|
||
def test_post_json_passing_token_auth(self):
|
||
"""Ensure POSTing form over token auth with correct credentials passes and does not require CSRF"""
|
||
auth = "Token " + self.key
|
||
response = self.csrf_client.post('/token/', {'example': 'example'}, format='json', HTTP_AUTHORIZATION=auth)
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
|
||
def test_post_json_makes_one_db_query(self):
|
||
"""Ensure that authenticating a user using a token performs only one DB query"""
|
||
auth = "Token " + self.key
|
||
|
||
def func_to_test():
|
||
return self.csrf_client.post('/token/', {'example': 'example'}, format='json', HTTP_AUTHORIZATION=auth)
|
||
|
||
self.assertNumQueries(1, func_to_test)
|
||
|
||
def test_post_form_failing_token_auth(self):
|
||
"""Ensure POSTing form over token auth without correct credentials fails"""
|
||
response = self.csrf_client.post('/token/', {'example': 'example'})
|
||
self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
|
||
|
||
def test_post_json_failing_token_auth(self):
|
||
"""Ensure POSTing json over token auth without correct credentials fails"""
|
||
response = self.csrf_client.post('/token/', {'example': 'example'}, format='json')
|
||
self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
|
||
|
||
def test_token_has_auto_assigned_key_if_none_provided(self):
|
||
"""Ensure creating a token with no key will auto-assign a key"""
|
||
self.token.delete()
|
||
token = Token.objects.create(user=self.user)
|
||
self.assertTrue(bool(token.key))
|
||
|
||
def test_generate_key_returns_string(self):
|
||
"""Ensure generate_key returns a string"""
|
||
token = Token()
|
||
key = token.generate_key()
|
||
self.assertTrue(isinstance(key, six.string_types))
|
||
|
||
def test_token_login_json(self):
|
||
"""Ensure token login view using JSON POST works."""
|
||
client = APIClient(enforce_csrf_checks=True)
|
||
response = client.post('/auth-token/',
|
||
{'username': self.username, 'password': self.password}, format='json')
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
self.assertEqual(response.data['token'], self.key)
|
||
|
||
def test_token_login_json_bad_creds(self):
|
||
"""Ensure token login view using JSON POST fails if bad credentials are used."""
|
||
client = APIClient(enforce_csrf_checks=True)
|
||
response = client.post('/auth-token/',
|
||
{'username': self.username, 'password': "badpass"}, format='json')
|
||
self.assertEqual(response.status_code, 400)
|
||
|
||
def test_token_login_json_missing_fields(self):
|
||
"""Ensure token login view using JSON POST fails if missing fields."""
|
||
client = APIClient(enforce_csrf_checks=True)
|
||
response = client.post('/auth-token/',
|
||
{'username': self.username}, format='json')
|
||
self.assertEqual(response.status_code, 400)
|
||
|
||
def test_token_login_form(self):
|
||
"""Ensure token login view using form POST works."""
|
||
client = APIClient(enforce_csrf_checks=True)
|
||
response = client.post('/auth-token/',
|
||
{'username': self.username, 'password': self.password})
|
||
self.assertEqual(response.status_code, status.HTTP_200_OK)
|
||
self.assertEqual(response.data['token'], self.key)
|
||
|
||
|
||
class IncorrectCredentialsTests(TestCase):
|
||
def test_incorrect_credentials(self):
|
||
"""
|
||
If a request contains bad authentication credentials, then
|
||
authentication should run and error, even if no permissions
|
||
are set on the view.
|
||
"""
|
||
class IncorrectCredentialsAuth(BaseAuthentication):
|
||
def authenticate(self, request):
|
||
raise exceptions.AuthenticationFailed('Bad credentials')
|
||
|
||
request = factory.get('/')
|
||
view = MockView.as_view(
|
||
authentication_classes=(IncorrectCredentialsAuth,),
|
||
permission_classes=()
|
||
)
|
||
response = view(request)
|
||
self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
|
||
self.assertEqual(response.data, {'detail': 'Bad credentials'})
|
||
|
||
|
||
class FailingAuthAccessedInRenderer(TestCase):
|
||
def setUp(self):
|
||
class AuthAccessingRenderer(renderers.BaseRenderer):
|
||
media_type = 'text/plain'
|
||
format = 'txt'
|
||
|
||
def render(self, data, media_type=None, renderer_context=None):
|
||
request = renderer_context['request']
|
||
if request.user.is_authenticated():
|
||
return b'authenticated'
|
||
return b'not authenticated'
|
||
|
||
class FailingAuth(BaseAuthentication):
|
||
def authenticate(self, request):
|
||
raise exceptions.AuthenticationFailed('authentication failed')
|
||
|
||
class ExampleView(APIView):
|
||
authentication_classes = (FailingAuth,)
|
||
renderer_classes = (AuthAccessingRenderer,)
|
||
|
||
def get(self, request):
|
||
return Response({'foo': 'bar'})
|
||
|
||
self.view = ExampleView.as_view()
|
||
|
||
def test_failing_auth_accessed_in_renderer(self):
|
||
"""
|
||
When authentication fails the renderer should still be able to access
|
||
`request.user` without raising an exception. Particularly relevant
|
||
to HTML responses that might reasonably access `request.user`.
|
||
"""
|
||
request = factory.get('/')
|
||
response = self.view(request)
|
||
content = response.render().content
|
||
self.assertEqual(content, b'not authenticated')
|