fastmcp/tests/server/http/test_http_auth_middleware.py

78 lines
2.7 KiB
Python

import pytest
from mcp.server.auth.middleware.bearer_auth import RequireAuthMiddleware
from starlette.routing import Mount
from fastmcp.server import FastMCP
from fastmcp.server.auth.providers.jwt import JWTVerifier, RSAKeyPair
from fastmcp.server.http import create_streamable_http_app
class TestStreamableHTTPAppResourceMetadataURL:
"""Test resource_metadata_url logic in create_streamable_http_app."""
@pytest.fixture
def rsa_key_pair(self) -> RSAKeyPair:
"""Generate RSA key pair for testing."""
return RSAKeyPair.generate()
@pytest.fixture
def bearer_auth_provider(self, rsa_key_pair):
provider = JWTVerifier(
public_key=rsa_key_pair.public_key,
issuer="https://issuer",
audience="https://audience",
resource_server_url="https://resource.example.com",
)
return provider
def test_require_auth_middleware_receives_resource_metadata_url(
self, bearer_auth_provider
):
server = FastMCP(name="TestServer")
app = create_streamable_http_app(
server=server,
streamable_http_path="/mcp",
auth=bearer_auth_provider,
)
mount = next(r for r in app.routes if isinstance(r, Mount) and r.path == "/mcp")
assert isinstance(mount.app, RequireAuthMiddleware)
assert (
str(mount.app.resource_metadata_url)
== "https://resource.example.com/.well-known/oauth-protected-resource"
)
def test_trailing_slash_handling_in_resource_server_url(self, rsa_key_pair):
provider = JWTVerifier(
public_key=rsa_key_pair.public_key,
issuer="https://issuer",
audience="https://audience",
resource_server_url="https://resource.example.com/",
)
server = FastMCP(name="TestServer")
app = create_streamable_http_app(
server=server,
streamable_http_path="/mcp",
auth=provider,
)
mount = next(r for r in app.routes if isinstance(r, Mount) and r.path == "/mcp")
assert isinstance(mount.app, RequireAuthMiddleware)
# Should not have double slash
assert (
str(mount.app.resource_metadata_url)
== "https://resource.example.com/.well-known/oauth-protected-resource"
)
def test_no_auth_provider_mounts_without_require_auth_middleware(
self, rsa_key_pair
):
server = FastMCP(name="TestServer")
app = create_streamable_http_app(
server=server,
streamable_http_path="/mcp",
auth=None,
)
mount = next(r for r in app.routes if isinstance(r, Mount) and r.path == "/mcp")
assert not isinstance(mount.app, RequireAuthMiddleware)