1445043649
32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
"""Marks responses to legacy unversioned /api/* paths as deprecated.
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Stamps ``X-API-Deprecated: <sunset-date>`` on any /api/* response that is
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neither versioned (/api/v1/*) nor the LangGraph SDK surface
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(/api/langgraph/*). Sunset date is the track-2 contract (2027-01-01).
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"""
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from __future__ import annotations
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from collections.abc import Callable
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from fastapi import Request, Response
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from starlette.middleware.base import BaseHTTPMiddleware
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from starlette.types import ASGIApp
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API_SUNSET_DATE = "2027-01-01"
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def _is_deprecated_path(path: str) -> bool:
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return path.startswith("/api/") and not path.startswith("/api/v1/") and not path.startswith("/api/langgraph/")
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class ApiDeprecationMiddleware(BaseHTTPMiddleware):
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def __init__(self, app: ASGIApp) -> None:
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super().__init__(app)
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async def dispatch(self, request: Request, call_next: Callable) -> Response:
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response = await call_next(request)
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if _is_deprecated_path(request.url.path):
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response.headers["X-API-Deprecated"] = API_SUNSET_DATE
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return response
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