| |
| """Verify original records against the release manifest; no model inference.""" |
| import argparse,hashlib,json |
| from pathlib import Path |
|
|
| def digest(path): |
| h=hashlib.sha256() |
| with path.open('rb') as f: |
| for b in iter(lambda:f.read(1024*1024),b''):h.update(b) |
| return h.hexdigest() |
|
|
| def main(): |
| ap=argparse.ArgumentParser();ap.add_argument('--root',type=Path,default=Path(__file__).resolve().parent);args=ap.parse_args() |
| root=args.root.resolve();manifest=json.loads((root/'MANIFEST.json').read_text());failures=[];total=0 |
| for row in manifest['files']: |
| p=root/row['path'] |
| if not p.resolve().is_relative_to(root):failures.append({'path':row['path'],'error':'unsafe path'});continue |
| if not p.is_file():failures.append({'path':row['path'],'error':'missing'});continue |
| total+=p.stat().st_size |
| if p.stat().st_size!=row['bytes'] or digest(p)!=row['sha256']:failures.append({'path':row['path'],'error':'size or SHA-256 mismatch'}) |
| report={'release_id':manifest['release_id'],'checked_files':len(manifest['files']),'bytes':total,'status':'passed' if not failures else 'failed','failures':failures} |
| print(json.dumps(report,indent=2)) |
| raise SystemExit(bool(failures)) |
| if __name__=='__main__':main() |
|
|
