fastapi-gsap/.venv/lib/python3.12/site-packages/fastapi/exception_handlers.py
Tyler J King e744336385 fix: capability enforcement, credential safety, atomic delegations, input validation
C-6: ConnectorRuntime enforces capability_mask per operation.
     READ-only ACs cannot invoke MUTATE operations (wipe, lock, retire).
C-7: AC validated against database (exists, active, not expired)
     before connector invocation.
C-9: Delegated AC capability bounded by delegator's capability.
C-10: Command counter uses atomic SQL increment with limit check.
M-23: expire_stale() uses same atomic SQL pattern.

H-1: Sensitive credential fields hidden from repr/logs via repr=False.
H-2: Stub backend requires ALLOW_STUB_CREDENTIALS=true to activate.
H-3: Kerberos backend raises CredentialResolutionError instead of
     returning stub ticket.
H-4: Chronicle INTENT emitted before execution, RESULT after.
H-5: device_id validated as UUID before Graph API URL interpolation.
H-8: ConnectorRuntime enforces governance for all connector invocations.

Signed-off-by: Tyler King <tking@guildhouse.dev>
2026-04-14 08:13:27 -04:00

34 lines
1.2 KiB
Python

from fastapi.encoders import jsonable_encoder
from fastapi.exceptions import RequestValidationError, WebSocketRequestValidationError
from fastapi.utils import is_body_allowed_for_status_code
from fastapi.websockets import WebSocket
from starlette.exceptions import HTTPException
from starlette.requests import Request
from starlette.responses import JSONResponse, Response
from starlette.status import WS_1008_POLICY_VIOLATION
async def http_exception_handler(request: Request, exc: HTTPException) -> Response:
headers = getattr(exc, "headers", None)
if not is_body_allowed_for_status_code(exc.status_code):
return Response(status_code=exc.status_code, headers=headers)
return JSONResponse(
{"detail": exc.detail}, status_code=exc.status_code, headers=headers
)
async def request_validation_exception_handler(
request: Request, exc: RequestValidationError
) -> JSONResponse:
return JSONResponse(
status_code=422,
content={"detail": jsonable_encoder(exc.errors())},
)
async def websocket_request_validation_exception_handler(
websocket: WebSocket, exc: WebSocketRequestValidationError
) -> None:
await websocket.close(
code=WS_1008_POLICY_VIOLATION, reason=jsonable_encoder(exc.errors())
)