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gh-christianlouis-docuelevate/app/utils/file_operations.py
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copilot-swe-agent[bot] 1a195a96bd fix: merge main, address code review feedback for security fix PR #816
- Merge origin/main into branch (resolve conflict in integrations_dashboard.html)
- Add defensive JSON parsing with try/except for integration.config
- Wrap tester() call in try/except to prevent 500 errors from bad config
- Add i18n key integrations.connection_test_failed_fallback in en.json
- Reference i18n key in template JS fallback message
- Update SECURITY_AUDIT.md: add fix date (2026-03-23), update doc date
- Remove accidental revert.sh file
- Fix missing MagicMock/patch imports in test file
- Add tests for invalid JSON config and tester exception error paths

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
Agent-Logs-Url: https://github.com/christianlouis/DocuElevate/sessions/daebb70e-059a-4601-8864-88eef49f99cf
2026-03-23 16:21:09 +00:00

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Python

import hashlib
from pathlib import Path
def hash_file(filepath: str | Path, chunk_size: int = 65536) -> str:
"""
Returns the SHA-256 hash of the file at 'filepath'.
Reads the file in chunks to handle large files efficiently.
"""
from app.config import settings
filepath_obj = Path(filepath).resolve()
workdir_obj = Path(settings.workdir).resolve()
# Security check: Ensure the resolved path is strictly within the allowed workdir
try:
filepath_obj.relative_to(workdir_obj)
except ValueError:
raise FileNotFoundError(f"Access denied: path traversal attempt or file outside workdir '{filepath}'")
sha256 = hashlib.sha256()
with open(filepath_obj, "rb") as f:
while True:
data = f.read(chunk_size)
if not data:
break
sha256.update(data)
return sha256.hexdigest()