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