This commit is contained in:
2026-03-06 14:22:14 -05:00
parent 7a5bd73721
commit 991a2b22dc
6 changed files with 237 additions and 111 deletions
+198
View File
@@ -806,6 +806,204 @@ class TestOpenIDAuth:
assert await oidc.extract(request) == "mytoken"
class TestSyncValidators:
"""Sync (non-async) validators — covers the sync path in _call_validator."""
def test_bearer_sync_validator(self):
def sync_validator(credential: str) -> dict:
if credential != VALID_TOKEN:
raise UnauthorizedError()
return {"user": "alice"}
bearer = BearerTokenAuth(sync_validator)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(bearer)):
return user
client = TestClient(_app(setup))
response = client.get("/me", headers={"Authorization": f"Bearer {VALID_TOKEN}"})
assert response.status_code == 200
assert response.json() == {"user": "alice"}
def test_sync_validator_via_authenticate(self):
"""authenticate() with sync validator (MultiAuth path)."""
def sync_validator(credential: str) -> dict:
if credential != VALID_TOKEN:
raise UnauthorizedError()
return {"user": "alice"}
bearer = BearerTokenAuth(sync_validator)
multi = MultiAuth(bearer)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(multi)):
return user
client = TestClient(_app(setup))
response = client.get("/me", headers={"Authorization": f"Bearer {VALID_TOKEN}"})
assert response.status_code == 200
assert response.json() == {"user": "alice"}
class TestOpenIDAuthEdgeCases:
DISCOVERY_URL = "https://accounts.example.com/.well-known/openid-configuration"
def test_non_bearer_authorization_returns_401(self):
"""Authorization header present but not Bearer scheme."""
oidc = OpenIDAuth(self.DISCOVERY_URL, simple_validator)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(oidc)):
return user
client = TestClient(_app(setup))
response = client.get("/me", headers={"Authorization": "Basic dXNlcjpwYXNz"})
assert response.status_code == 401
def test_empty_bearer_token_returns_401(self):
"""Authorization: Bearer with no token after the scheme prefix."""
oidc = OpenIDAuth(self.DISCOVERY_URL, simple_validator)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(oidc)):
return user
client = TestClient(_app(setup))
response = client.get("/me", headers={"Authorization": "Bearer "})
assert response.status_code == 401
class TestCookieAuthSigned:
"""CookieAuth with HMAC-SHA256 signed cookies (secret_key path)."""
SECRET = "test-hmac-secret"
def test_valid_signed_cookie_via_set_cookie(self):
"""set_cookie signs the value; the signed cookie is verified on read."""
from fastapi import Response
auth = CookieAuth("session", cookie_validator, secret_key=self.SECRET)
def setup(app: FastAPI):
@app.get("/login")
async def login(response: Response):
auth.set_cookie(response, VALID_COOKIE)
return {"ok": True}
@app.get("/me")
async def me(user=Security(auth)):
return user
with TestClient(_app(setup)) as client:
client.get("/login")
response = client.get("/me")
assert response.status_code == 200
assert response.json() == {"session": VALID_COOKIE}
def test_tampered_signature_returns_401(self):
"""A cookie whose HMAC signature has been modified is rejected."""
import base64 as _b64
import json as _json
import time as _time
auth = CookieAuth("session", cookie_validator, secret_key=self.SECRET)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(auth)):
return user
client = TestClient(_app(setup))
data = _b64.urlsafe_b64encode(
_json.dumps({"v": VALID_COOKIE, "exp": int(_time.time()) + 9999}).encode()
).decode()
response = client.get("/me", cookies={"session": f"{data}.invalidsig"})
assert response.status_code == 401
def test_expired_signed_cookie_returns_401(self):
"""A signed cookie past its expiry timestamp is rejected."""
import base64 as _b64
import hashlib as _hashlib
import hmac as _hmac
import json as _json
import time as _time
auth = CookieAuth("session", cookie_validator, secret_key=self.SECRET)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(auth)):
return user
client = TestClient(_app(setup))
data = _b64.urlsafe_b64encode(
_json.dumps({"v": VALID_COOKIE, "exp": int(_time.time()) - 1}).encode()
).decode()
sig = _hmac.new(
self.SECRET.encode(), data.encode(), _hashlib.sha256
).hexdigest()
response = client.get("/me", cookies={"session": f"{data}.{sig}"})
assert response.status_code == 401
def test_invalid_json_payload_returns_401(self):
"""A signed cookie whose payload is not valid JSON is rejected."""
import base64 as _b64
import hashlib as _hashlib
import hmac as _hmac
auth = CookieAuth("session", cookie_validator, secret_key=self.SECRET)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(auth)):
return user
client = TestClient(_app(setup))
data = _b64.urlsafe_b64encode(b"not-valid-json").decode()
sig = _hmac.new(
self.SECRET.encode(), data.encode(), _hashlib.sha256
).hexdigest()
response = client.get("/me", cookies={"session": f"{data}.{sig}"})
assert response.status_code == 401
def test_malformed_cookie_no_dot_returns_401(self):
"""A signed cookie without the dot separator is rejected."""
auth = CookieAuth("session", cookie_validator, secret_key=self.SECRET)
def setup(app: FastAPI):
@app.get("/me")
async def me(user=Security(auth)):
return user
client = TestClient(_app(setup))
response = client.get("/me", cookies={"session": "nodothere"})
assert response.status_code == 401
def test_set_cookie_without_secret(self):
"""set_cookie without secret_key writes the raw value."""
from starlette.responses import Response as StarletteResponse
auth = CookieAuth("session", cookie_validator)
response = StarletteResponse()
auth.set_cookie(response, "rawvalue")
assert "session=rawvalue" in response.headers["set-cookie"]
def test_delete_cookie(self):
"""delete_cookie produces a Set-Cookie header that clears the session."""
from starlette.responses import Response as StarletteResponse
auth = CookieAuth("session", cookie_validator)
response = StarletteResponse()
auth.delete_cookie(response)
assert "session" in response.headers["set-cookie"]
# Minimal concrete subclass used only in tests below.
class _HeaderAuth(AuthSource):
"""Reads a custom X-Token header — no FastAPI security scheme."""