mirror of
https://github.com/meta-llama/llama-stack.git
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1862de4be5
# What does this PR do? The cache_ttl config value is not in fact tied to the lifetime of any of the keys, it represents the time interval between for our key cache refresher. Signed-off-by: Sébastien Han <seb@redhat.com>
572 lines
17 KiB
Python
572 lines
17 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import base64
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from unittest.mock import AsyncMock, patch
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import pytest
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from fastapi import FastAPI
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from fastapi.testclient import TestClient
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from llama_stack.distribution.datatypes import AuthenticationConfig
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from llama_stack.distribution.server.auth import AuthenticationMiddleware
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from llama_stack.distribution.server.auth_providers import (
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AuthProviderType,
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get_attributes_from_claims,
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)
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class MockResponse:
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def __init__(self, status_code, json_data):
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self.status_code = status_code
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self._json_data = json_data
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def json(self):
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return self._json_data
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def raise_for_status(self):
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if self.status_code != 200:
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raise Exception(f"HTTP error: {self.status_code}")
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@pytest.fixture
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def mock_auth_endpoint():
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return "http://mock-auth-service/validate"
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@pytest.fixture
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def valid_api_key():
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return "valid_api_key_12345"
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@pytest.fixture
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def invalid_api_key():
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return "invalid_api_key_67890"
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@pytest.fixture
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def valid_token():
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return "valid.jwt.token"
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@pytest.fixture
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def invalid_token():
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return "invalid.jwt.token"
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@pytest.fixture
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def http_app(mock_auth_endpoint):
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app = FastAPI()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.CUSTOM,
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config={"endpoint": mock_auth_endpoint},
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)
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app.add_middleware(AuthenticationMiddleware, auth_config=auth_config)
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@app.get("/test")
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def test_endpoint():
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return {"message": "Authentication successful"}
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return app
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@pytest.fixture
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def k8s_app():
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app = FastAPI()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.KUBERNETES,
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config={"api_server_url": "https://kubernetes.default.svc"},
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)
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app.add_middleware(AuthenticationMiddleware, auth_config=auth_config)
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@app.get("/test")
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def test_endpoint():
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return {"message": "Authentication successful"}
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return app
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@pytest.fixture
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def http_client(http_app):
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return TestClient(http_app)
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@pytest.fixture
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def k8s_client(k8s_app):
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return TestClient(k8s_app)
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@pytest.fixture
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def mock_scope():
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return {
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"type": "http",
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"path": "/models/list",
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"headers": [
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(b"content-type", b"application/json"),
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(b"authorization", b"Bearer test.jwt.token"),
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(b"user-agent", b"test-user-agent"),
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],
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"query_string": b"limit=100&offset=0",
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}
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@pytest.fixture
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def mock_http_middleware(mock_auth_endpoint):
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mock_app = AsyncMock()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.CUSTOM,
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config={"endpoint": mock_auth_endpoint},
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)
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return AuthenticationMiddleware(mock_app, auth_config), mock_app
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@pytest.fixture
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def mock_k8s_middleware():
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mock_app = AsyncMock()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.KUBERNETES,
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config={"api_server_url": "https://kubernetes.default.svc"},
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)
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return AuthenticationMiddleware(mock_app, auth_config), mock_app
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async def mock_post_success(*args, **kwargs):
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return MockResponse(
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200,
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{
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"message": "Authentication successful",
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"principal": "test-principal",
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"access_attributes": {
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"roles": ["admin", "user"],
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"teams": ["ml-team", "nlp-team"],
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"projects": ["llama-3", "project-x"],
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"namespaces": ["research", "production"],
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},
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},
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)
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async def mock_post_failure(*args, **kwargs):
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return MockResponse(401, {"message": "Authentication failed"})
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async def mock_post_exception(*args, **kwargs):
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raise Exception("Connection error")
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# HTTP Endpoint Tests
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def test_missing_auth_header(http_client):
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response = http_client.get("/test")
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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def test_invalid_auth_header_format(http_client):
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response = http_client.get("/test", headers={"Authorization": "InvalidFormat token123"})
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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@patch("httpx.AsyncClient.post", new=mock_post_success)
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def test_valid_http_authentication(http_client, valid_api_key):
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response = http_client.get("/test", headers={"Authorization": f"Bearer {valid_api_key}"})
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assert response.status_code == 200
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assert response.json() == {"message": "Authentication successful"}
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@patch("httpx.AsyncClient.post", new=mock_post_failure)
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def test_invalid_http_authentication(http_client, invalid_api_key):
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response = http_client.get("/test", headers={"Authorization": f"Bearer {invalid_api_key}"})
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assert response.status_code == 401
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assert "Authentication failed" in response.json()["error"]["message"]
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@patch("httpx.AsyncClient.post", new=mock_post_exception)
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def test_http_auth_service_error(http_client, valid_api_key):
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response = http_client.get("/test", headers={"Authorization": f"Bearer {valid_api_key}"})
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assert response.status_code == 401
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assert "Authentication service error" in response.json()["error"]["message"]
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def test_http_auth_request_payload(http_client, valid_api_key, mock_auth_endpoint):
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with patch("httpx.AsyncClient.post") as mock_post:
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mock_response = MockResponse(200, {"message": "Authentication successful"})
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mock_post.return_value = mock_response
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http_client.get(
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"/test?param1=value1¶m2=value2",
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headers={
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"Authorization": f"Bearer {valid_api_key}",
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"User-Agent": "TestClient",
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"Content-Type": "application/json",
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},
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)
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# Check that the auth endpoint was called with the correct payload
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call_args = mock_post.call_args
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assert call_args is not None
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url, kwargs = call_args[0][0], call_args[1]
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assert url == mock_auth_endpoint
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payload = kwargs["json"]
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assert payload["api_key"] == valid_api_key
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assert payload["request"]["path"] == "/test"
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assert "authorization" not in payload["request"]["headers"]
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assert "param1" in payload["request"]["params"]
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assert "param2" in payload["request"]["params"]
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@pytest.mark.asyncio
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async def test_http_middleware_with_access_attributes(mock_http_middleware, mock_scope):
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"""Test HTTP middleware behavior with access attributes"""
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middleware, mock_app = mock_http_middleware
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mock_receive = AsyncMock()
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mock_send = AsyncMock()
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with patch("httpx.AsyncClient.post") as mock_post:
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mock_response = MockResponse(
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200,
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{
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"message": "Authentication successful",
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"principal": "test-principal",
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"access_attributes": {
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"roles": ["admin", "user"],
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"teams": ["ml-team", "nlp-team"],
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"projects": ["llama-3", "project-x"],
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"namespaces": ["research", "production"],
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},
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},
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)
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mock_post.return_value = mock_response
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await middleware(mock_scope, mock_receive, mock_send)
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assert "user_attributes" in mock_scope
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attributes = mock_scope["user_attributes"]
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assert attributes["roles"] == ["admin", "user"]
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assert attributes["teams"] == ["ml-team", "nlp-team"]
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assert attributes["projects"] == ["llama-3", "project-x"]
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assert attributes["namespaces"] == ["research", "production"]
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mock_app.assert_called_once_with(mock_scope, mock_receive, mock_send)
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@pytest.mark.asyncio
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async def test_http_middleware_no_attributes(mock_http_middleware, mock_scope):
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"""Test middleware behavior with no access attributes"""
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middleware, mock_app = mock_http_middleware
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mock_receive = AsyncMock()
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mock_send = AsyncMock()
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with patch("httpx.AsyncClient") as mock_client:
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mock_client_instance = AsyncMock()
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mock_client.return_value.__aenter__.return_value = mock_client_instance
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mock_client_instance.post.return_value = MockResponse(
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200,
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{
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"message": "Authentication successful"
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# No access_attributes
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},
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)
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await middleware(mock_scope, mock_receive, mock_send)
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assert "user_attributes" in mock_scope
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attributes = mock_scope["user_attributes"]
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assert "roles" in attributes
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assert attributes["roles"] == ["test.jwt.token"]
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# oauth2 token provider tests
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@pytest.fixture
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def oauth2_app():
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app = FastAPI()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.OAUTH2_TOKEN,
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config={
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"jwks": {
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"uri": "http://mock-authz-service/token/introspect",
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"key_recheck_period": "3600",
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},
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"audience": "llama-stack",
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},
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)
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app.add_middleware(AuthenticationMiddleware, auth_config=auth_config)
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@app.get("/test")
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def test_endpoint():
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return {"message": "Authentication successful"}
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return app
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@pytest.fixture
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def oauth2_client(oauth2_app):
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return TestClient(oauth2_app)
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def test_missing_auth_header_oauth2(oauth2_client):
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response = oauth2_client.get("/test")
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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def test_invalid_auth_header_format_oauth2(oauth2_client):
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response = oauth2_client.get("/test", headers={"Authorization": "InvalidFormat token123"})
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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async def mock_jwks_response(*args, **kwargs):
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return MockResponse(
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200,
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{
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"keys": [
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{
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"kid": "1234567890",
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"kty": "oct",
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"alg": "HS256",
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"use": "sig",
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"k": base64.b64encode(b"foobarbaz").decode(),
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}
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]
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},
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)
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@pytest.fixture
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def jwt_token_valid():
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from jose import jwt
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return jwt.encode(
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{
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"sub": "my-user",
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"groups": ["group1", "group2"],
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"scope": "foo bar",
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"aud": "llama-stack",
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},
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key="foobarbaz",
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algorithm="HS256",
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headers={"kid": "1234567890"},
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)
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@patch("httpx.AsyncClient.get", new=mock_jwks_response)
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def test_valid_oauth2_authentication(oauth2_client, jwt_token_valid):
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response = oauth2_client.get("/test", headers={"Authorization": f"Bearer {jwt_token_valid}"})
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assert response.status_code == 200
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assert response.json() == {"message": "Authentication successful"}
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@patch("httpx.AsyncClient.get", new=mock_jwks_response)
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def test_invalid_oauth2_authentication(oauth2_client, invalid_token):
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response = oauth2_client.get("/test", headers={"Authorization": f"Bearer {invalid_token}"})
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assert response.status_code == 401
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assert "Invalid JWT token" in response.json()["error"]["message"]
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def test_get_attributes_from_claims():
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claims = {
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"sub": "my-user",
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"groups": ["group1", "group2"],
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"scope": "foo bar",
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"aud": "llama-stack",
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}
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attributes = get_attributes_from_claims(claims, {"sub": "roles", "groups": "teams"})
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assert attributes.roles == ["my-user"]
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assert attributes.teams == ["group1", "group2"]
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claims = {
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"sub": "my-user",
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"tenant": "my-tenant",
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}
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attributes = get_attributes_from_claims(claims, {"sub": "roles", "tenant": "namespaces"})
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assert attributes.roles == ["my-user"]
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assert attributes.namespaces == ["my-tenant"]
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claims = {
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"sub": "my-user",
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"username": "my-username",
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"tenant": "my-tenant",
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"groups": ["group1", "group2"],
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"team": "my-team",
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}
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attributes = get_attributes_from_claims(
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claims,
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{
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"sub": "roles",
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"tenant": "namespaces",
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"username": "roles",
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"team": "teams",
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"groups": "teams",
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},
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)
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assert set(attributes.roles) == {"my-user", "my-username"}
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assert set(attributes.teams) == {"my-team", "group1", "group2"}
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assert attributes.namespaces == ["my-tenant"]
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# TODO: add more tests for oauth2 token provider
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# oauth token introspection tests
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@pytest.fixture
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def mock_introspection_endpoint():
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return "http://mock-authz-service/token/introspect"
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@pytest.fixture
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def introspection_app(mock_introspection_endpoint):
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app = FastAPI()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.OAUTH2_TOKEN,
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config={
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"jwks": None,
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"introspection": {"url": mock_introspection_endpoint, "client_id": "myclient", "client_secret": "abcdefg"},
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},
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)
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app.add_middleware(AuthenticationMiddleware, auth_config=auth_config)
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@app.get("/test")
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def test_endpoint():
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return {"message": "Authentication successful"}
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return app
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@pytest.fixture
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def introspection_app_with_custom_mapping(mock_introspection_endpoint):
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app = FastAPI()
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auth_config = AuthenticationConfig(
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provider_type=AuthProviderType.OAUTH2_TOKEN,
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config={
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"jwks": None,
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"introspection": {
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"url": mock_introspection_endpoint,
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"client_id": "myclient",
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"client_secret": "abcdefg",
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"send_secret_in_body": "true",
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},
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"claims_mapping": {
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"sub": "roles",
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"scope": "roles",
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"groups": "teams",
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"aud": "namespaces",
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},
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},
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)
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app.add_middleware(AuthenticationMiddleware, auth_config=auth_config)
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@app.get("/test")
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def test_endpoint():
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return {"message": "Authentication successful"}
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return app
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@pytest.fixture
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def introspection_client(introspection_app):
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return TestClient(introspection_app)
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@pytest.fixture
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def introspection_client_with_custom_mapping(introspection_app_with_custom_mapping):
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return TestClient(introspection_app_with_custom_mapping)
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def test_missing_auth_header_introspection(introspection_client):
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response = introspection_client.get("/test")
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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def test_invalid_auth_header_format_introspection(introspection_client):
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response = introspection_client.get("/test", headers={"Authorization": "InvalidFormat token123"})
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assert response.status_code == 401
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assert "Missing or invalid Authorization header" in response.json()["error"]["message"]
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async def mock_introspection_active(*args, **kwargs):
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return MockResponse(
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200,
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{
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"active": True,
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"sub": "my-user",
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"groups": ["group1", "group2"],
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"scope": "foo bar",
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"aud": ["set1", "set2"],
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},
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)
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async def mock_introspection_inactive(*args, **kwargs):
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return MockResponse(
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200,
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{
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"active": False,
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},
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)
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async def mock_introspection_invalid(*args, **kwargs):
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class InvalidResponse:
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def __init__(self, status_code):
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self.status_code = status_code
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def json(self):
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raise ValueError("Not JSON")
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return InvalidResponse(200)
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async def mock_introspection_failed(*args, **kwargs):
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return MockResponse(
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500,
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{},
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)
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@patch("httpx.AsyncClient.post", new=mock_introspection_active)
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def test_valid_introspection_authentication(introspection_client, valid_api_key):
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response = introspection_client.get("/test", headers={"Authorization": f"Bearer {valid_api_key}"})
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assert response.status_code == 200
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|
assert response.json() == {"message": "Authentication successful"}
|
|
|
|
|
|
@patch("httpx.AsyncClient.post", new=mock_introspection_inactive)
|
|
def test_inactive_introspection_authentication(introspection_client, invalid_api_key):
|
|
response = introspection_client.get("/test", headers={"Authorization": f"Bearer {invalid_api_key}"})
|
|
assert response.status_code == 401
|
|
assert "Token not active" in response.json()["error"]["message"]
|
|
|
|
|
|
@patch("httpx.AsyncClient.post", new=mock_introspection_invalid)
|
|
def test_invalid_introspection_authentication(introspection_client, invalid_api_key):
|
|
response = introspection_client.get("/test", headers={"Authorization": f"Bearer {invalid_api_key}"})
|
|
assert response.status_code == 401
|
|
assert "Not JSON" in response.json()["error"]["message"]
|
|
|
|
|
|
@patch("httpx.AsyncClient.post", new=mock_introspection_failed)
|
|
def test_failed_introspection_authentication(introspection_client, invalid_api_key):
|
|
response = introspection_client.get("/test", headers={"Authorization": f"Bearer {invalid_api_key}"})
|
|
assert response.status_code == 401
|
|
assert "Token introspection failed: 500" in response.json()["error"]["message"]
|
|
|
|
|
|
@patch("httpx.AsyncClient.post", new=mock_introspection_active)
|
|
def test_valid_introspection_with_custom_mapping_authentication(
|
|
introspection_client_with_custom_mapping, valid_api_key
|
|
):
|
|
response = introspection_client_with_custom_mapping.get(
|
|
"/test", headers={"Authorization": f"Bearer {valid_api_key}"}
|
|
)
|
|
assert response.status_code == 200
|
|
assert response.json() == {"message": "Authentication successful"}
|