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test_client_credential.py
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import json
from urllib.parse import quote_plus
import pytest
from django.contrib.auth import get_user_model
from django.test import RequestFactory, TestCase
from django.urls import reverse
from django.views.generic import View
from oauthlib.oauth2 import BackendApplicationServer
from oauth2_provider.models import get_access_token_model, get_application_model
from oauth2_provider.oauth2_backends import OAuthLibCore
from oauth2_provider.oauth2_validators import OAuth2Validator
from oauth2_provider.views import ProtectedResourceView
from oauth2_provider.views.mixins import OAuthLibMixin
from . import presets
from .utils import get_basic_auth_header
Application = get_application_model()
AccessToken = get_access_token_model()
UserModel = get_user_model()
# mocking a protected resource view
class ResourceView(ProtectedResourceView):
def get(self, request, *args, **kwargs):
return "This is a protected resource"
@pytest.mark.usefixtures("oauth2_settings")
@pytest.mark.oauth2_settings(presets.DEFAULT_SCOPES_RW)
class BaseTest(TestCase):
def setUp(self):
self.factory = RequestFactory()
self.test_user = UserModel.objects.create_user("test_user", "[email protected]", "123456")
self.dev_user = UserModel.objects.create_user("dev_user", "[email protected]", "123456")
self.application = Application.objects.create(
name="test_client_credentials_app",
user=self.dev_user,
client_type=Application.CLIENT_PUBLIC,
authorization_grant_type=Application.GRANT_CLIENT_CREDENTIALS,
)
def tearDown(self):
self.application.delete()
self.test_user.delete()
self.dev_user.delete()
class TestClientCredential(BaseTest):
def test_client_credential_access_allowed(self):
"""
Request an access token using Client Credential Flow
"""
token_request_data = {
"grant_type": "client_credentials",
}
auth_headers = get_basic_auth_header(self.application.client_id, self.application.client_secret)
response = self.client.post(reverse("oauth2_provider:token"), data=token_request_data, **auth_headers)
self.assertEqual(response.status_code, 200)
content = json.loads(response.content.decode("utf-8"))
access_token = content["access_token"]
# use token to access the resource
auth_headers = {
"HTTP_AUTHORIZATION": "Bearer " + access_token,
}
request = self.factory.get("/fake-resource", **auth_headers)
request.user = self.test_user
view = ResourceView.as_view()
response = view(request)
self.assertEqual(response, "This is a protected resource")
def test_client_credential_does_not_issue_refresh_token(self):
token_request_data = {
"grant_type": "client_credentials",
}
auth_headers = get_basic_auth_header(self.application.client_id, self.application.client_secret)
response = self.client.post(reverse("oauth2_provider:token"), data=token_request_data, **auth_headers)
self.assertEqual(response.status_code, 200)
content = json.loads(response.content.decode("utf-8"))
self.assertNotIn("refresh_token", content)
def test_client_credential_user_is_none_on_access_token(self):
token_request_data = {"grant_type": "client_credentials"}
auth_headers = get_basic_auth_header(self.application.client_id, self.application.client_secret)
response = self.client.post(reverse("oauth2_provider:token"), data=token_request_data, **auth_headers)
self.assertEqual(response.status_code, 200)
content = json.loads(response.content.decode("utf-8"))
access_token = AccessToken.objects.get(token=content["access_token"])
self.assertIsNone(access_token.user)
class TestExtendedRequest(BaseTest):
@classmethod
def setUpClass(cls):
cls.request_factory = RequestFactory()
super().setUpClass()
def test_extended_request(self):
class TestView(OAuthLibMixin, View):
server_class = BackendApplicationServer
validator_class = OAuth2Validator
oauthlib_backend_class = OAuthLibCore
def get_scopes(self):
return ["read", "write"]
token_request_data = {
"grant_type": "client_credentials",
}
auth_headers = get_basic_auth_header(self.application.client_id, self.application.client_secret)
response = self.client.post(reverse("oauth2_provider:token"), data=token_request_data, **auth_headers)
self.assertEqual(response.status_code, 200)
content = json.loads(response.content.decode("utf-8"))
access_token = content["access_token"]
# use token to access the resource
auth_headers = {
"HTTP_AUTHORIZATION": "Bearer " + access_token,
}
request = self.request_factory.get("/fake-req", **auth_headers)
request.user = "fake"
test_view = TestView()
self.assertIsInstance(test_view.get_server(), BackendApplicationServer)
valid, r = test_view.verify_request(request)
self.assertTrue(valid)
self.assertIsNone(r.user)
self.assertEqual(r.client, self.application)
self.assertEqual(r.scopes, ["read", "write"])
class TestClientResourcePasswordBased(BaseTest):
def test_client_resource_password_based(self):
"""
Request an access token using Resource Owner Password Based flow
"""
self.application.delete()
self.application = Application.objects.create(
name="test_client_credentials_app",
user=self.dev_user,
client_type=Application.CLIENT_CONFIDENTIAL,
authorization_grant_type=Application.GRANT_PASSWORD,
)
token_request_data = {"grant_type": "password", "username": "test_user", "password": "123456"}
auth_headers = get_basic_auth_header(
quote_plus(self.application.client_id), quote_plus(self.application.client_secret)
)
response = self.client.post(reverse("oauth2_provider:token"), data=token_request_data, **auth_headers)
self.assertEqual(response.status_code, 200)
content = json.loads(response.content.decode("utf-8"))
access_token = content["access_token"]
# use token to access the resource
auth_headers = {
"HTTP_AUTHORIZATION": "Bearer " + access_token,
}
request = self.factory.get("/fake-resource", **auth_headers)
request.user = self.test_user
view = ResourceView.as_view()
response = view(request)
self.assertEqual(response, "This is a protected resource")