import time
from django.conf.urls.defaults import patterns, url, include
from django.contrib.auth.models import User
from django.test import Client, TestCase
from djangorestframework.views import APIView
# Since oauth2 / django-oauth-plus are optional dependancies, we don't want to
# always run these tests.
# Unfortunatly we can't skip tests easily until 2.7, se we'll just do this for now.
try:
import oauth2 as oauth
from oauth_provider.decorators import oauth_required
from oauth_provider.models import Resource, Consumer, Token
except ImportError:
pass
else:
# Alrighty, we're good to go here.
class ClientView(APIView):
def get(self, request):
return {'resource': 'Protected!'}
urlpatterns = patterns('',
url(r'^$', oauth_required(ClientView.as_view())),
url(r'^oauth/', include('oauth_provider.urls')),
url(r'^restframework/', include('djangorestframework.urls', namespace='djangorestframework')),
)
class OAuthTests(TestCase):
"""
OAuth authentication:
* the user would like to access his API data from a third-party website
* the third-party website proposes a link to get that API data
* the user is redirected to the API and must log in if not authenticated
* the API displays a webpage to confirm that the user trusts the third-party website
* if confirmed, the user is redirected to the third-party website through the callback view
* the third-party website is able to retrieve data from the API
"""
urls = 'djangorestframework.tests.oauthentication'
def setUp(self):
self.client = Client()
self.username = 'john'
self.email = 'lennon@thebeatles.com'
self.password = 'password'
self.user = User.objects.create_user(self.username, self.email, self.password)
# OAuth requirements
self.resource = Resource(name='data', url='/')
self.resource.save()
self.CONSUMER_KEY = 'dpf43f3p2l4k3l03'
self.CONSUMER_SECRET = 'kd94hf93k423kf44'
self.consumer = Consumer(key=self.CONSUMER_KEY, secret=self.CONSUMER_SECRET,
name='api.example.com', user=self.user)
self.consumer.save()
def test_oauth_invalid_and_anonymous_access(self):
"""
Verify that the resource is protected and the OAuth authorization view
require the user to be logged in.
"""
response = self.client.get('/')
self.assertEqual(response.content, 'Invalid request parameters.')
self.assertEqual(response.status_code, 401)
response = self.client.get('/oauth/authorize/', follow=True)
self.assertRedirects(response, '/accounts/login/?next=/oauth/authorize/')
def test_oauth_authorize_access(self):
"""
Verify that once logged in, the user can access the authorization page
but can't display the page because the request token is not specified.
"""
self.client.login(username=self.username, password=self.password)
response = self.client.get('/oauth/authorize/', follow=True)
self.assertEqual(response.content, 'No request token specified.')
def _create_request_token_parameters(self):
"""
A shortcut to create request's token parameters.
"""
return {
'oauth_consumer_key': self.CONSUMER_KEY,
'oauth_signature_method': 'PLAINTEXT',
'oauth_signature': '%s&' % self.CONSUMER_SECRET,
'oauth_timestamp': str(int(time.time())),
'oauth_nonce': 'requestnonce',
'oauth_version': '1.0',
'oauth_callback': 'http://api.example.com/request_token_ready',
'scope': 'data',
}
def test_oauth_request_token_retrieval(self):
"""
Verify that the request token can be retrieved by the server.
"""
response = self.client.get("/oauth/request_token/",
self._create_request_token_parameters())
self.assertEqual(response.status_code, 200)
token = list(Token.objects.all())[-1]
self.failIf(token.key not in response.content)
self.failIf(token.secret not in response.content)
def test_oauth_user_request_authorization(self):
"""
Verify that the user can access the authorization page once logged in
and the request token has been retrieved.
"""
# Setup
response = self.client.get("/oauth/request_token/",
self._create_request_token_parameters())
token = list(Token.objects.all())[-1]
# Starting the test here
self.client.login(username=self.username, password=self.password)
parameters = {'oauth_token': token.key}
response = self.client.get("/oauth/authorize/", parameters)
self.assertEqual(response.status_code, 200)
self.failIf(not response.content.startswith('Fake authorize view for api.example.com with params: oauth_token='))
self.assertEqual(token.is_approved, 0)
parameters['authorize_access'] = 1 # fake authorization by the user
response = self.client.post("/oauth/authorize/", parameters)
self.assertEqual(response.status_code, 302)
self.failIf(not response['Location'].startswith('http://api.example.com/request_token_ready?oauth_verifier='))
token = Token.objects.get(key=token.key)
self.failIf(token.key not in response['Location'])
self.assertEqual(token.is_approved, 1)
def _create_access_token_parameters(self, token):
"""
A shortcut to create access' token parameters.
"""
return {
'oauth_consumer_key': self.CONSUMER_KEY,
'oauth_token': token.key,
'oauth_signature_method': 'PLAINTEXT',
'oauth_signature': '%s&%s' % (self.CONSUMER_SECRET, token.secret),
'oauth_timestamp': str(int(time.time())),
'oauth_nonce': 'accessnonce',
'oauth_version': '1.0',
'oauth_verifier': token.verifier,
'scope': 'data',
}
def test_oauth_access_token_retrieval(self):
"""
Verify that the request token can be retrieved by the server.
"""
# Setup
response = self.client.get("/oauth/request_token/",
self._create_request_token_parameters())
token = list(Token.objects.all())[-1]
self.client.login(username=self.username, password=self.password)
parameters = {'oauth_token': token.key,}
response = self.client.get("/oauth/authorize/", parameters)
parameters['authorize_access'] = 1 # fake authorization by the user
response = self.client.post("/oauth/authorize/", parameters)
token = Token.objects.get(key=token.key)
# Starting the test here
response = self.client.get("/oauth/access_token/", self._create_access_token_parameters(token))
self.assertEqual(response.status_code, 200)
self.failIf(not response.content.startswith('oauth_token_secret='))
access_token = list(Token.objects.filter(token_type=Token.ACCESS))[-1]
self.failIf(access_token.key not in response.content)
self.failIf(access_token.secret not in response.content)
self.assertEqual(access_token.user.username, 'john')
def _create_access_parameters(self, access_token):
"""
A shortcut to create access' parameters.
"""
parameters = {
'oauth_consumer_key': self.CONSUMER_KEY,
'oauth_token': access_token.key,
'oauth_signature_method': 'HMAC-SHA1',
'oauth_timestamp': str(int(time.time())),
'oauth_nonce': 'accessresourcenonce',
'oauth_version': '1.0',
}
oauth_request = oauth.Request.from_token_and_callback(access_token,
http_url='http://testserver/', parameters=parameters)
signature_method = oauth.SignatureMethod_HMAC_SHA1()
signature = signature_method.sign(oauth_request, self.consumer, access_token)
parameters['oauth_signature'] = signature
return parameters
def test_oauth_protected_resource_access(self):
"""
Verify that the request token can be retrieved by the server.
"""
# Setup
response = self.client.get("/oauth/request_token/",
self._create_request_token_parameters())
token = list(Token.objects.all())[-1]
self.client.login(username=self.username, password=self.password)
parameters = {'oauth_token': token.key,}
response = self.client.get("/oauth/authorize/", parameters)
parameters['authorize_access'] = 1 # fake authorization by the user
response = self.client.post("/oauth/authorize/", parameters)
token = Token.objects.get(key=token.key)
response = self.client.get("/oauth/access_token/", self._create_access_token_parameters(token))
access_token = list(Token.objects.filter(token_type=Token.ACCESS))[-1]
# Starting the test here
response = self.client.get("/", self._create_access_token_parameters(access_token))
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, '{"resource": "Protected!"}')