Datasets:
File size: 2,596 Bytes
25824f4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | """Verify the LIBERO-Pro asset ZIP or its extracted assets directory."""
import argparse
import hashlib
import json
import zipfile
from pathlib import Path, PurePosixPath
def file_hash(path):
checksum = hashlib.sha256()
with path.open("rb") as stream:
for block in iter(lambda: stream.read(1024 * 1024), b""):
checksum.update(block)
return checksum.hexdigest()
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--manifest", type=Path, required=True)
source = parser.add_mutually_exclusive_group(required=True)
source.add_argument("--archive", type=Path)
source.add_argument("--assets-dir", type=Path)
args = parser.parse_args()
manifest = json.loads(args.manifest.read_text(encoding="utf-8"))
records = manifest["files"]
names = [record["path"] for record in records]
if len(records) != manifest["file_count"] or len(set(names)) != len(names):
raise ValueError("Manifest count or unique paths mismatch")
for name in names:
path = PurePosixPath(name)
if path.is_absolute() or ".." in path.parts or path.parts[0] != "assets":
raise ValueError("Invalid manifest path: " + name)
if args.archive:
expected = manifest["archive"]
if args.archive.stat().st_size != expected["bytes"] or file_hash(args.archive) != expected["sha256"]:
raise ValueError("Archive checksum mismatch")
with zipfile.ZipFile(args.archive) as archive:
if len(archive.infolist()) != len(records) or set(archive.namelist()) != set(names):
raise ValueError("Archive file inventory mismatch")
for record in records:
data = archive.read(record["path"])
if len(data) != record["bytes"] or hashlib.sha256(data).hexdigest() != record["sha256"]:
raise ValueError("Asset checksum mismatch: " + record["path"])
else:
root = args.assets_dir.resolve()
for record in records:
path = root.joinpath(*PurePosixPath(record["path"]).parts[1:]).resolve()
if root not in path.parents or not path.is_file():
raise ValueError("Missing or invalid extracted asset: " + record["path"])
if path.stat().st_size != record["bytes"] or file_hash(path) != record["sha256"]:
raise ValueError("Extracted asset checksum mismatch: " + record["path"])
print("Verified {} files from source commit {}".format(len(records), manifest["source_commit"]))
if __name__ == "__main__":
main()
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