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import json
import os
import pytest
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 create_basic_auth
@pytest.fixture(autouse=True)
def server(server):
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()
server.register_grant(AuthorizationCodeGrant)
return server
@pytest.fixture(autouse=True)
def client(user):
client = Client(
user_id=user.pk,
client_id="client-id",
client_secret="client-secret",
response_type="code",
grant_type="authorization_code",
scope="",
token_endpoint_auth_method="client_secret_basic",
default_redirect_uri="https://client.test",
)
client.save()
yield client
client.delete()
def test_get_consent_grant_client(factory, server, client):
url = "/authorize?response_type=code"
request = factory.get(url)
with pytest.raises(errors.InvalidClientError):
server.get_consent_grant(request)
url = "/authorize?response_type=code&client_id=invalid-id"
request = factory.get(url)
with pytest.raises(errors.InvalidClientError):
server.get_consent_grant(request)
client.response_type = ""
client.save()
url = "/authorize?response_type=code&client_id=client-id"
request = factory.get(url)
with pytest.raises(errors.UnauthorizedClientError):
server.get_consent_grant(request)
url = "/authorize?response_type=code&client_id=client-id&scope=profile&state=bar&redirect_uri=https%3A%2F%2Fclient.test&response_type=code"
request = factory.get(url)
with pytest.raises(errors.InvalidRequestError):
server.get_consent_grant(request)
def test_get_consent_grant_redirect_uri(factory, server):
base_url = "/authorize?response_type=code&client_id=client-id"
url = base_url + "&redirect_uri=https%3A%2F%2Fa.c"
request = factory.get(url)
with pytest.raises(errors.InvalidRequestError):
server.get_consent_grant(request)
url = base_url + "&redirect_uri=https%3A%2F%2Fclient.test"
request = factory.get(url)
grant = server.get_consent_grant(request)
assert isinstance(grant, grants.AuthorizationCodeGrant)
def test_get_consent_grant_scope(factory, server):
server.scopes_supported = ["profile"]
base_url = "/authorize?response_type=code&client_id=client-id"
url = base_url + "&scope=invalid"
request = factory.get(url)
with pytest.raises(errors.InvalidScopeError):
server.get_consent_grant(request)
def test_create_authorization_response(factory, server):
data = {"response_type": "code", "client_id": "client-id"}
request = 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(factory, server):
# case: no auth
request = 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 = create_basic_auth("client-id", "client-secret")
# case: no code
request = 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 = 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(factory, server):
data = get_token_response(factory, server)
assert "access_token" in data
assert "refresh_token" not in data
def test_create_token_response_with_refresh_token(factory, server, client, settings):
settings.AUTHLIB_OAUTH2_PROVIDER["refresh_token_generator"] = True
server.load_config(settings.AUTHLIB_OAUTH2_PROVIDER)
client.grant_type = "authorization_code\nrefresh_token"
client.save()
data = get_token_response(factory, server)
assert "access_token" in data
assert "refresh_token" in data
def test_insecure_transport_error_with_payload_access(factory, server):
"""Test that InsecureTransportError is raised properly without AttributeError
when accessing request.payload on non-HTTPS requests (issue #795)."""
del os.environ["AUTHLIB_INSECURE_TRANSPORT"]
request = factory.get(
"https://provider.test/authorize?response_type=code&client_id=client-id"
)
with pytest.raises(errors.InsecureTransportError):
server.get_consent_grant(request)
def get_token_response(factory, server):
data = {"response_type": "code", "client_id": "client-id"}
request = 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 = factory.post(
"/oauth/token",
data={"grant_type": "authorization_code", "code": code},
HTTP_AUTHORIZATION=create_basic_auth("client-id", "client-secret"),
)
resp = server.create_token_response(request)
assert resp.status_code == 200
data = json.loads(resp.content)
return data
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