Remove the deprecated RFC7523OAuthClientProvider (#3169)

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Max 2026-07-25 22:50:57 +01:00 • committed by GitHub
commit 7163d8263f
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@ -1,26 +1,20 @@
import urllib.parse
import warnings
import jwt
import pytest
from pydantic import AnyHttpUrl, AnyUrl
from pydantic import AnyHttpUrl
from mcp.client.auth.extensions.client_credentials import (
ClientCredentialsOAuthProvider,
JWTParameters,
PrivateKeyJWTOAuthProvider,
RFC7523OAuthClientProvider,
SignedJWTParameters,
static_assertion_provider,
)
from mcp.shared.auth import (
AuthorizationCodeResult,
OAuthClientInformationFull,
OAuthClientMetadata,
OAuthMetadata,
OAuthToken,
)
from mcp.shared.exceptions import MCPDeprecationWarning
class MockTokenStorage:
@ -48,138 +42,6 @@ def mock_storage():
return MockTokenStorage()
@pytest.fixture
def client_metadata():
return OAuthClientMetadata(
client_name="Test Client",
client_uri=AnyHttpUrl("https://example.com"),
redirect_uris=[AnyUrl("http://localhost:3030/callback")],
scope="read write",
)
@pytest.fixture
def rfc7523_oauth_provider(client_metadata: OAuthClientMetadata, mock_storage: MockTokenStorage):
async def redirect_handler(url: str) -> None: # pragma: no cover
"""Mock redirect handler."""
pass
async def callback_handler() -> AuthorizationCodeResult: # pragma: no cover
"""Mock callback handler."""
return AuthorizationCodeResult(code="test_auth_code", state="test_state")
with warnings.catch_warnings():
warnings.simplefilter("ignore", MCPDeprecationWarning)
return RFC7523OAuthClientProvider(
server_url="https://api.example.com/v1/mcp",
client_metadata=client_metadata,
storage=mock_storage,
redirect_handler=redirect_handler,
callback_handler=callback_handler,
)
class TestOAuthFlowClientCredentials:
"""Test OAuth flow behavior for client credentials flows."""
@pytest.mark.anyio
async def test_token_exchange_request_jwt_predefined(self, rfc7523_oauth_provider: RFC7523OAuthClientProvider):
"""Test token exchange request building with a predefined JWT assertion."""
# Set up required context
rfc7523_oauth_provider.context.client_info = OAuthClientInformationFull(
grant_types=["urn:ietf:params:oauth:grant-type:jwt-bearer"],
token_endpoint_auth_method="private_key_jwt",
redirect_uris=None,
scope="read write",
)
rfc7523_oauth_provider.context.oauth_metadata = OAuthMetadata(
issuer=AnyHttpUrl("https://api.example.com"),
authorization_endpoint=AnyHttpUrl("https://api.example.com/authorize"),
token_endpoint=AnyHttpUrl("https://api.example.com/token"),
registration_endpoint=AnyHttpUrl("https://api.example.com/register"),
)
rfc7523_oauth_provider.context.client_metadata = rfc7523_oauth_provider.context.client_info
rfc7523_oauth_provider.context.protocol_version = "2025-06-18"
rfc7523_oauth_provider.jwt_parameters = JWTParameters(
# https://www.jwt.io
assertion="eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.KMUFsIDTnFmyG3nMiGM6H9FNFUROf3wh7SmqJp-QV30"
)
request = await rfc7523_oauth_provider._exchange_token_jwt_bearer()
assert request.method == "POST"
assert str(request.url) == "https://api.example.com/token"
assert request.headers["Content-Type"] == "application/x-www-form-urlencoded"
# Check form data
content = urllib.parse.unquote_plus(request.content.decode())
assert "grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer" in content
assert "scope=read write" in content
assert "resource=https://api.example.com/v1/mcp" in content
assert (
"assertion=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.KMUFsIDTnFmyG3nMiGM6H9FNFUROf3wh7SmqJp-QV30"
in content
)
@pytest.mark.anyio
async def test_token_exchange_request_jwt(self, rfc7523_oauth_provider: RFC7523OAuthClientProvider):
"""Test token exchange request building wiith a generated JWT assertion."""
# Set up required context
rfc7523_oauth_provider.context.client_info = OAuthClientInformationFull(
grant_types=["urn:ietf:params:oauth:grant-type:jwt-bearer"],
token_endpoint_auth_method="private_key_jwt",
redirect_uris=None,
scope="read write",
)
rfc7523_oauth_provider.context.oauth_metadata = OAuthMetadata(
issuer=AnyHttpUrl("https://api.example.com"),
authorization_endpoint=AnyHttpUrl("https://api.example.com/authorize"),
token_endpoint=AnyHttpUrl("https://api.example.com/token"),
registration_endpoint=AnyHttpUrl("https://api.example.com/register"),
)
rfc7523_oauth_provider.context.client_metadata = rfc7523_oauth_provider.context.client_info
rfc7523_oauth_provider.context.protocol_version = "2025-06-18"
rfc7523_oauth_provider.jwt_parameters = JWTParameters(
issuer="foo",
subject="1234567890",
claims={
"name": "John Doe",
"admin": True,
"iat": 1516239022,
},
jwt_signing_algorithm="HS256",
jwt_signing_key="a-string-secret-at-least-256-bits-long",
jwt_lifetime_seconds=300,
)
request = await rfc7523_oauth_provider._exchange_token_jwt_bearer()
assert request.method == "POST"
assert str(request.url) == "https://api.example.com/token"
assert request.headers["Content-Type"] == "application/x-www-form-urlencoded"
# Check form data
content = urllib.parse.unquote_plus(request.content.decode()).split("&")
assert "grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer" in content
assert "scope=read write" in content
assert "resource=https://api.example.com/v1/mcp" in content
# Check assertion
assertion = next(param for param in content if param.startswith("assertion="))[len("assertion=") :]
claims = jwt.decode(
assertion,
key="a-string-secret-at-least-256-bits-long",
algorithms=["HS256"],
audience="https://api.example.com/",
subject="1234567890",
issuer="foo",
verify=True,
)
assert claims["name"] == "John Doe"
assert claims["admin"]
assert claims["iat"] == 1516239022
class TestClientCredentialsOAuthProvider:
"""Test ClientCredentialsOAuthProvider."""