Files
Colin Maudry 8258b92f98 feat(mcp): garde /_mcp unifié statique+OAuth, audience & usage (#114)
Le garde before_request de /_mcp accepte désormais les jetons OAuth
opaques (store.get_token_by_access) en plus des jetons statiques
colibre_*, avec vérification d'audience (resource == mcp_resource)
et d'expiration. Le 401 porte resource_metadata pour le découverte
RFC 9728. Sur succès, incrémente le compteur du bon store et
journalise dans mcp_usage (best-effort).

Corrige aussi une régression d'assertion stricte sur le header
WWW-Authenticate dans test_app_wiring.py, cassée par le nouveau
suffixe resource_metadata.
2026-07-13 14:32:49 +02:00

213 lines
6.6 KiB
Python

import pytest
from flask import Flask
@pytest.fixture
def mcp_app(monkeypatch, tmp_path):
from src.api import tokens_db
from src.auth import db as auth_db
from src.mcp.auth import init_mcp_auth
from src.subscriptions import db as sub_db
db_path = tmp_path / "users.test.sqlite"
monkeypatch.setenv("USERS_DB_PATH", str(db_path))
from src.mcp import usage
from src.mcp.oauth import store as oauth_store
auth_db.reset_conn_for_tests()
auth_db.init_schema()
sub_db.init_schema()
tokens_db.init_schema(db_path)
oauth_store.init_schema(db_path)
usage.init_schema(db_path)
app = Flask(__name__)
@app.route("/_mcp", methods=["GET", "POST"])
def _mcp():
return "ok", 200
init_mcp_auth(app)
yield app, db_path
auth_db.reset_conn_for_tests()
def _subscribed_uid():
from src.auth import db as auth_db
from src.subscriptions import db as sub_db
uid = auth_db.create_user("mcp@ex.fr", "hash")
_, sub_id = sub_db.create_pending(uid, "colibre-1", "simple")
sub_db.set_status(sub_id, "active")
return uid
def test_missing_header_401_with_challenge(mcp_app):
app, _ = mcp_app
resp = app.test_client().post("/_mcp")
assert resp.status_code == 401
assert resp.headers["WWW-Authenticate"].startswith('Bearer realm="colibre-mcp"')
def test_empty_bearer_401(mcp_app):
app, _ = mcp_app
resp = app.test_client().post("/_mcp", headers={"Authorization": "Bearer "})
assert resp.status_code == 401
def test_unknown_token_401(mcp_app):
app, _ = mcp_app
resp = app.test_client().post(
"/_mcp", headers={"Authorization": "Bearer colibre_unknown"}
)
assert resp.status_code == 401
def test_revoked_mcp_token_401(mcp_app):
from src.api import tokens_db
app, db_path = mcp_app
uid = _subscribed_uid()
token, tid = tokens_db.create_token(db_path, "x", user_id=uid, kind="mcp")
tokens_db.revoke_user_token(db_path, tid, uid)
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 401
def test_api_kind_token_rejected_401(mcp_app):
from src.api import tokens_db
app, db_path = mcp_app
uid = _subscribed_uid()
token, _ = tokens_db.create_token(db_path, "x", user_id=uid, kind="api")
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 401
def test_mcp_token_without_user_403(mcp_app):
from src.api import tokens_db
app, db_path = mcp_app
token, _ = tokens_db.create_token(db_path, "x", user_id=None, kind="mcp")
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 403
def test_mcp_token_no_active_subscription_403(mcp_app):
from src.api import tokens_db
from src.auth import db as auth_db
app, db_path = mcp_app
uid = auth_db.create_user("nosub@ex.fr", "hash") # aucun abonnement
token, _ = tokens_db.create_token(db_path, "x", user_id=uid, kind="mcp")
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 403
def test_mcp_token_active_subscription_passes_and_increments(mcp_app):
from src.api import tokens_db
app, db_path = mcp_app
uid = _subscribed_uid()
token, _ = tokens_db.create_token(db_path, "x", user_id=uid, kind="mcp")
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 200
assert tokens_db.get_token_by_plaintext(db_path, token)["count_total"] == 1
def test_tous_abonnes_bypasses_subscription(mcp_app, monkeypatch):
from src.api import tokens_db
from src.auth import db as auth_db
monkeypatch.setattr("src.mcp.auth.TOUS_ABONNES", True)
app, db_path = mcp_app
uid = auth_db.create_user("nosub2@ex.fr", "hash")
token, _ = tokens_db.create_token(db_path, "x", user_id=uid, kind="mcp")
resp = app.test_client().post("/_mcp", headers={"Authorization": f"Bearer {token}"})
assert resp.status_code == 200
def test_oauth_token_active_subscription_passes(mcp_app, monkeypatch):
import time
from src.mcp.oauth import server, store
monkeypatch.setenv("APP_BASE_URL", "https://colibre.fr")
app, db_path = mcp_app
store.init_schema(db_path)
uid = _subscribed_uid()
store.create_client(db_path, "cid", {"redirect_uris": []})
store.save_token(
db_path,
access_token="opaque123",
refresh_token=None,
client_id="cid",
user_id=uid,
scope="mcp",
resource="https://colibre.fr/_mcp",
access_expires_at=server._iso(time.time() + 3600),
refresh_expires_at=None,
)
resp = app.test_client().post(
"/_mcp", headers={"Authorization": "Bearer opaque123"}
)
assert resp.status_code == 200
def test_oauth_token_wrong_audience_401(mcp_app, monkeypatch):
import time
from src.mcp.oauth import server, store
monkeypatch.setenv("APP_BASE_URL", "https://colibre.fr")
app, db_path = mcp_app
store.init_schema(db_path)
uid = _subscribed_uid()
store.save_token(
db_path,
access_token="badaud",
refresh_token=None,
client_id="cid",
user_id=uid,
scope="mcp",
resource="https://evil.example/_mcp",
access_expires_at=server._iso(time.time() + 3600),
refresh_expires_at=None,
)
resp = app.test_client().post("/_mcp", headers={"Authorization": "Bearer badaud"})
assert resp.status_code == 401
def test_401_carries_resource_metadata(mcp_app, monkeypatch):
monkeypatch.setenv("APP_BASE_URL", "https://colibre.fr")
app, _ = mcp_app
resp = app.test_client().post("/_mcp")
assert resp.status_code == 401
assert "resource_metadata=" in resp.headers["WWW-Authenticate"]
def test_oauth_token_no_subscription_403(mcp_app, monkeypatch):
import time
from src.auth import db as auth_db
from src.mcp.oauth import server, store
monkeypatch.setenv("APP_BASE_URL", "https://colibre.fr")
monkeypatch.setattr("src.mcp.auth.TOUS_ABONNES", False)
app, db_path = mcp_app
store.init_schema(db_path)
uid = auth_db.create_user("nosuboauth@ex.fr", "h") # aucun abonnement
store.save_token(
db_path,
access_token="nosubtok",
refresh_token=None,
client_id="cid",
user_id=uid,
scope="mcp",
resource="https://colibre.fr/_mcp",
access_expires_at=server._iso(time.time() + 3600),
refresh_expires_at=None,
)
resp = app.test_client().post("/_mcp", headers={"Authorization": "Bearer nosubtok"})
assert resp.status_code == 403