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import json
import pytest
from django.test import override_settings
from authlib.common.urls import url_decode
from authlib.common.urls import urlparse
from authlib.oauth2.rfc6749 import errors
from authlib.oauth2.rfc6749 import grants
from .models import Client
from .models import CodeGrantMixin
from .models import OAuth2Code
from .models import User
from .oauth2_server import TestCase
class AuthorizationCodeGrant(CodeGrantMixin, grants.AuthorizationCodeGrant):
TOKEN_ENDPOINT_AUTH_METHODS = ["client_secret_basic", "client_secret_post", "none"]
def save_authorization_code(self, code, request):
auth_code = OAuth2Code(
code=code,
client_id=request.client.client_id,
redirect_uri=request.payload.redirect_uri,
response_type=request.payload.response_type,
scope=request.payload.scope,
user=request.user,
)
auth_code.save()
class AuthorizationCodeTest(TestCase):
def create_server(self):
server = super().create_server()
server.register_grant(AuthorizationCodeGrant)
return server
def prepare_data(
self, response_type="code", grant_type="authorization_code", scope=""
):
user = User(username="foo")
user.save()
client = Client(
user_id=user.pk,
client_id="client",
client_secret="secret",
response_type=response_type,
grant_type=grant_type,
scope=scope,
token_endpoint_auth_method="client_secret_basic",
default_redirect_uri="https://a.b",
)
client.save()
def test_get_consent_grant_client(self):
server = self.create_server()
url = "/authorize?response_type=code"
request = self.factory.get(url)
with pytest.raises(errors.InvalidClientError):
server.get_consent_grant(request)
url = "/authorize?response_type=code&client_id=client"
request = self.factory.get(url)
with pytest.raises(errors.InvalidClientError):
server.get_consent_grant(request)
self.prepare_data(response_type="")
with pytest.raises(errors.UnauthorizedClientError):
server.get_consent_grant(request)
url = "/authorize?response_type=code&client_id=client&scope=profile&state=bar&redirect_uri=https%3A%2F%2Fa.b&response_type=code"
request = self.factory.get(url)
with pytest.raises(errors.InvalidRequestError):
server.get_consent_grant(request)
def test_get_consent_grant_redirect_uri(self):
server = self.create_server()
self.prepare_data()
base_url = "/authorize?response_type=code&client_id=client"
url = base_url + "&redirect_uri=https%3A%2F%2Fa.c"
request = self.factory.get(url)
with pytest.raises(errors.InvalidRequestError):
server.get_consent_grant(request)
url = base_url + "&redirect_uri=https%3A%2F%2Fa.b"
request = self.factory.get(url)
grant = server.get_consent_grant(request)
assert isinstance(grant, AuthorizationCodeGrant)
def test_get_consent_grant_scope(self):
server = self.create_server()
server.scopes_supported = ["profile"]
self.prepare_data()
base_url = "/authorize?response_type=code&client_id=client"
url = base_url + "&scope=invalid"
request = self.factory.get(url)
with pytest.raises(errors.InvalidScopeError):
server.get_consent_grant(request)
def test_create_authorization_response(self):
server = self.create_server()
self.prepare_data()
data = {"response_type": "code", "client_id": "client"}
request = self.factory.post("/authorize", data=data)
grant = server.get_consent_grant(request)
resp = server.create_authorization_response(request, grant=grant)
assert resp.status_code == 302
assert "error=access_denied" in resp["Location"]
grant_user = User.objects.get(username="foo")
resp = server.create_authorization_response(
request, grant=grant, grant_user=grant_user
)
assert resp.status_code == 302
assert "code=" in resp["Location"]
def test_create_token_response_invalid(self):
server = self.create_server()
self.prepare_data()
# case: no auth
request = self.factory.post(
"/oauth/token", data={"grant_type": "authorization_code"}
)
resp = server.create_token_response(request)
assert resp.status_code == 401
data = json.loads(resp.content)
assert data["error"] == "invalid_client"
auth_header = self.create_basic_auth("client", "secret")
# case: no code
request = self.factory.post(
"/oauth/token",
data={"grant_type": "authorization_code"},
HTTP_AUTHORIZATION=auth_header,
)
resp = server.create_token_response(request)
assert resp.status_code == 400
data = json.loads(resp.content)
assert data["error"] == "invalid_request"
# case: invalid code
request = self.factory.post(
"/oauth/token",
data={"grant_type": "authorization_code", "code": "invalid"},
HTTP_AUTHORIZATION=auth_header,
)
resp = server.create_token_response(request)
assert resp.status_code == 400
data = json.loads(resp.content)
assert data["error"] == "invalid_grant"
def test_create_token_response_success(self):
self.prepare_data()
data = self.get_token_response()
assert "access_token" in data
assert "refresh_token" not in data
@override_settings(AUTHLIB_OAUTH2_PROVIDER={"refresh_token_generator": True})
def test_create_token_response_with_refresh_token(self):
self.prepare_data(grant_type="authorization_code\nrefresh_token")
data = self.get_token_response()
assert "access_token" in data
assert "refresh_token" in data
def get_token_response(self):
server = self.create_server()
data = {"response_type": "code", "client_id": "client"}
request = self.factory.post("/authorize", data=data)
grant_user = User.objects.get(username="foo")
grant = server.get_consent_grant(request)
resp = server.create_authorization_response(
request, grant=grant, grant_user=grant_user
)
assert resp.status_code == 302
params = dict(url_decode(urlparse.urlparse(resp["Location"]).query))
code = params["code"]
request = self.factory.post(
"/oauth/token",
data={"grant_type": "authorization_code", "code": code},
HTTP_AUTHORIZATION=self.create_basic_auth("client", "secret"),
)
resp = server.create_token_response(request)
assert resp.status_code == 200
data = json.loads(resp.content)
return data
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