Files
deer-flow/backend/tests/test_sandbox_tools_security.py
Willem Jiang 34e3f5c9d4 feat(sandbox): harden local file access and mask host paths
- enforce local sandbox file tools to only accept /mnt/user-data paths
- add path traversal checks against thread workspace/uploads/outputs roots
- preserve requested virtual paths in tool error messages (no host path leaks)
- mask local absolute paths in bash output back to virtual sandbox paths
- update bash tool guidance to prefer thread-local venv + python -m pip
- add regression tests for path mapping, masking, and access restrictions

Fixes #968
2026-03-05 22:07:45 +08:00

59 lines
2.2 KiB
Python

from pathlib import Path
import pytest
from src.sandbox.tools import (
VIRTUAL_PATH_PREFIX,
mask_local_paths_in_output,
replace_virtual_path,
resolve_local_tool_path,
)
def test_replace_virtual_path_maps_virtual_root_and_subpaths() -> None:
thread_data = {
"workspace_path": "/tmp/deer-flow/threads/t1/user-data/workspace",
"uploads_path": "/tmp/deer-flow/threads/t1/user-data/uploads",
"outputs_path": "/tmp/deer-flow/threads/t1/user-data/outputs",
}
assert replace_virtual_path("/mnt/user-data/workspace/a.txt", thread_data) == "/tmp/deer-flow/threads/t1/user-data/workspace/a.txt"
assert replace_virtual_path("/mnt/user-data", thread_data) == "/tmp/deer-flow/threads/t1/user-data"
def test_mask_local_paths_in_output_hides_host_paths() -> None:
thread_data = {
"workspace_path": "/tmp/deer-flow/threads/t1/user-data/workspace",
"uploads_path": "/tmp/deer-flow/threads/t1/user-data/uploads",
"outputs_path": "/tmp/deer-flow/threads/t1/user-data/outputs",
}
output = "Created: /tmp/deer-flow/threads/t1/user-data/workspace/result.txt"
masked = mask_local_paths_in_output(output, thread_data)
assert "/tmp/deer-flow/threads/t1/user-data" not in masked
assert "/mnt/user-data/workspace/result.txt" in masked
def test_resolve_local_tool_path_rejects_non_virtual_path() -> None:
thread_data = {
"workspace_path": "/tmp/deer-flow/threads/t1/user-data/workspace",
"uploads_path": "/tmp/deer-flow/threads/t1/user-data/uploads",
"outputs_path": "/tmp/deer-flow/threads/t1/user-data/outputs",
}
with pytest.raises(PermissionError, match="Only paths under"):
resolve_local_tool_path("/Users/someone/config.yaml", thread_data)
def test_resolve_local_tool_path_rejects_path_traversal() -> None:
base = Path("/tmp/deer-flow/threads/t1/user-data")
thread_data = {
"workspace_path": str(base / "workspace"),
"uploads_path": str(base / "uploads"),
"outputs_path": str(base / "outputs"),
}
with pytest.raises(PermissionError, match="path traversal"):
resolve_local_tool_path(f"{VIRTUAL_PATH_PREFIX}/workspace/../../../../etc/passwd", thread_data)