45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
from logging import getLogger
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from os import path
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from typing import Any, Dict
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from zipfile import ZipFile
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from regex import match
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from .client import fetch_model
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from .utils import ConversionContext
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logger = getLogger(__name__)
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def convert_extract_archive(
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conversion: ConversionContext, model: Dict[str, Any], format: str
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):
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name = str(model.get("name")).strip()
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source = model.get("source")
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dest_path = path.join(conversion.model_path, name)
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logger.info("extracting archived model %s: %s -> %s/", name, source, dest_path)
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if path.exists(dest_path):
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logger.info("destination path already exists, skipping extraction")
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return False, dest_path
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cache_path = fetch_model(conversion, name, model["source"], format=format)
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with ZipFile(cache_path, "r") as zip:
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names = zip.namelist()
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if not all([is_safe(name) for name in names]):
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raise ValueError("archive contains unsafe filenames")
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logger.debug("archive is valid, extracting all files: %s", names)
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zip.extractall(path=dest_path)
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return True, dest_path
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SAFE_NAME = r"^[-_a-zA-Z/\\\.]+$"
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def is_safe(name: str):
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return match(SAFE_NAME, name)
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