Mawoka
27 lines
924 B
Python
27 lines
924 B
Python
from fastapi import APIRouter, HTTPException
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from fastapi.responses import StreamingResponse
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from classquiz.config import settings
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import re
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from classquiz.storage import Storage
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settings = settings()
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router = APIRouter()
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file_regex = r"^[a-z0-9]{8}-[a-z0-9-]{27}--[a-z0-9-]{36}$"
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@router.get('/download/{file_name}')
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async def download_file(file_name: str):
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storage = Storage(backend=settings.storage_backend, deta_key=settings.deta_project_key,
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deta_id=settings.deta_project_id, storage_path=settings.storage_path)
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download = await storage.download(file_name)
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if not re.match(file_regex, file_name):
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raise HTTPException(status_code=400, detail="Invalid file name")
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def iter_file():
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yield from download
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return StreamingResponse(iter_file(), media_type='image/*',
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headers={"Cache-Control": "public, immutable, max-age=31536000"})
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