mirror of
https://github.com/encode/django-rest-framework.git
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383 lines
18 KiB
Python
383 lines
18 KiB
Python
from __future__ import unicode_literals
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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 Client, TestCase
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from django.utils import unittest
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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 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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OAuthAuthentication
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)
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from rest_framework.authtoken.models import Token
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from rest_framework.compat import patterns
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from rest_framework.tests.utils import RequestFactory
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from rest_framework.views import APIView
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from rest_framework.compat import oauth, oauth_provider
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import json
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import base64
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import time
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factory = RequestFactory()
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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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(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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(r'^oauth/$', MockView.as_view(authentication_classes=[OAuthAuthentication]))
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)
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class BasicAuthTests(TestCase):
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"""Basic authentication"""
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urls = 'rest_framework.tests.authentication'
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def setUp(self):
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self.csrf_client = Client(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/', json.dumps({'example': 'example'}), 'application/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/', json.dumps({'example': 'example'}), 'application/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 = 'rest_framework.tests.authentication'
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def setUp(self):
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self.csrf_client = Client(enforce_csrf_checks=True)
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self.non_csrf_client = Client(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_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 = 'rest_framework.tests.authentication'
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def setUp(self):
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self.csrf_client = Client(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/', json.dumps({'example': 'example'}), 'application/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/', json.dumps({'example': 'example'}), 'application/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_token_login_json(self):
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"""Ensure token login view using JSON POST works."""
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client = Client(enforce_csrf_checks=True)
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response = client.post('/auth-token/',
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json.dumps({'username': self.username, 'password': self.password}), 'application/json')
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self.assertEqual(response.status_code, status.HTTP_200_OK)
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self.assertEqual(json.loads(response.content.decode('ascii'))['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 = Client(enforce_csrf_checks=True)
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response = client.post('/auth-token/',
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json.dumps({'username': self.username, 'password': "badpass"}), 'application/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 = Client(enforce_csrf_checks=True)
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response = client.post('/auth-token/',
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json.dumps({'username': self.username}), 'application/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 = Client(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(json.loads(response.content.decode('ascii'))['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 OAuthTests(TestCase):
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"""OAuth 1.0a authentication"""
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urls = 'rest_framework.tests.authentication'
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def setUp(self):
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# these imports are here because oauth is optional and hiding them in try..except block or compat
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# could obscure problems if something breaks
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from oauth_provider.models import Consumer, Resource
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from oauth_provider.models import Token as OAuthToken
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from oauth_provider import consts
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self.consts = consts
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self.csrf_client = Client(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.CONSUMER_KEY = 'consumer_key'
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self.CONSUMER_SECRET = 'consumer_secret'
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self.TOKEN_KEY = "token_key"
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self.TOKEN_SECRET = "token_secret"
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self.consumer = Consumer.objects.create(key=self.CONSUMER_KEY, secret=self.CONSUMER_SECRET,
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name='example', user=self.user, status=self.consts.ACCEPTED)
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self.resource = Resource.objects.create(name="resource name", url="api/")
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self.token = OAuthToken.objects.create(user=self.user, consumer=self.consumer, resource=self.resource,
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token_type=OAuthToken.ACCESS, key=self.TOKEN_KEY, secret=self.TOKEN_SECRET, is_approved=True
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)
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def _create_authorization_header(self):
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params = {
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'oauth_version': "1.0",
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'oauth_nonce': oauth.generate_nonce(),
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'oauth_timestamp': int(time.time()),
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'oauth_token': self.token.key,
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'oauth_consumer_key': self.consumer.key
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}
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req = oauth.Request(method="GET", url="http://example.com", parameters=params)
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signature_method = oauth.SignatureMethod_PLAINTEXT()
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req.sign_request(signature_method, self.consumer, self.token)
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return req.to_header()["Authorization"]
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def _create_authorization_url_parameters(self):
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params = {
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'oauth_version': "1.0",
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'oauth_nonce': oauth.generate_nonce(),
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'oauth_timestamp': int(time.time()),
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'oauth_token': self.token.key,
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'oauth_consumer_key': self.consumer.key
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}
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req = oauth.Request(method="GET", url="http://example.com", parameters=params)
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signature_method = oauth.SignatureMethod_PLAINTEXT()
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req.sign_request(signature_method, self.consumer, self.token)
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return dict(req)
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_passing_oauth(self):
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"""Ensure POSTing form over OAuth with correct credentials passes and does not require CSRF"""
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auth = self._create_authorization_header()
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertEqual(response.status_code, 200)
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_repeated_nonce_failing_oauth(self):
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"""Ensure POSTing form over OAuth with repeated auth (same nonces and timestamp) credentials fails"""
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auth = self._create_authorization_header()
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertEqual(response.status_code, 200)
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# simulate reply attack auth header containes already used (nonce, timestamp) pair
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_token_removed_failing_oauth(self):
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"""Ensure POSTing when there is no OAuth access token in db fails"""
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self.token.delete()
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auth = self._create_authorization_header()
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_consumer_status_not_accepted_failing_oauth(self):
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"""Ensure POSTing when consumer status is anything other than ACCEPTED fails"""
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for consumer_status in (self.consts.CANCELED, self.consts.PENDING, self.consts.REJECTED):
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self.consumer.status = consumer_status
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self.consumer.save()
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auth = self._create_authorization_header()
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_with_request_token_failing_oauth(self):
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"""Ensure POSTing with unauthorized request token instead of access token fails"""
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self.token.token_type = self.token.REQUEST
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self.token.save()
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auth = self._create_authorization_header()
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response = self.csrf_client.post('/oauth/', {'example': 'example'}, HTTP_AUTHORIZATION=auth)
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self.assertIn(response.status_code, (status.HTTP_401_UNAUTHORIZED, status.HTTP_403_FORBIDDEN))
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_form_with_urlencoded_parameters(self):
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"""Ensure POSTing with x-www-form-urlencoded auth parameters passes"""
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params = self._create_authorization_url_parameters()
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response = self.csrf_client.post('/oauth/', params)
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self.assertEqual(response.status_code, 200)
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_get_form_with_url_parameters(self):
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"""Ensure GETing with auth in url parameters passes"""
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params = self._create_authorization_url_parameters()
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response = self.csrf_client.get('/oauth/', params)
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self.assertEqual(response.status_code, 200)
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@unittest.skipUnless(oauth_provider, 'django-oauth-plus not installed')
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@unittest.skipUnless(oauth, 'oauth2 not installed')
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def test_post_hmac_sha1_signature_passes(self):
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"""Ensure POSTing using HMAC_SHA1 signature method passes"""
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params = {
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'oauth_version': "1.0",
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'oauth_nonce': oauth.generate_nonce(),
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'oauth_timestamp': int(time.time()),
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'oauth_token': self.token.key,
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'oauth_consumer_key': self.consumer.key
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}
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req = oauth.Request(method="POST", url="http://testserver/oauth/", parameters=params)
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signature_method = oauth.SignatureMethod_HMAC_SHA1()
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req.sign_request(signature_method, self.consumer, self.token)
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auth = req.to_header()["Authorization"]
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response = self.csrf_client.post('/oauth/', HTTP_AUTHORIZATION=auth)
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self.assertEqual(response.status_code, 200)
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