46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
from __future__ import annotations
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from fastapi import Request
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from fastapi.responses import JSONResponse, RedirectResponse, Response
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def wants_json(request: Request) -> bool:
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path = request.url.path or ""
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accept = (request.headers.get("accept") or "").lower()
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requested_with = (request.headers.get("x-requested-with") or "").lower()
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return path.startswith("/api") or "application/json" in accept or requested_with == "xmlhttprequest"
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def ui_access_denied(message: str = "Access denied") -> Response:
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return Response(
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content=f"403 Forbidden: {message}",
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status_code=403,
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media_type="text/plain; charset=utf-8",
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)
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def ui_not_found(message: str = "Not found") -> Response:
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return Response(
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content=f"404 Not Found: {message}",
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status_code=404,
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media_type="text/plain; charset=utf-8",
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)
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def auth_required_response(request: Request):
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if wants_json(request):
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return JSONResponse({"detail": "Not authenticated"}, status_code=401)
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return RedirectResponse(url="/login", status_code=303)
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def forbidden_response(request: Request, message: str = "Access denied"):
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if wants_json(request):
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return JSONResponse({"detail": message}, status_code=403)
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return ui_access_denied(message)
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def not_found_response(request: Request, message: str = "Not found"):
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if wants_json(request):
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return JSONResponse({"detail": message}, status_code=404)
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return ui_not_found(message)
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