Files
nanobot/tests/test_memory_security.py

71 lines
3.0 KiB
Python

"""Security tests for MemoryTool20250818."""
import pytest
from pathlib import Path
from nanobot.agent.tools.anthropic import MemoryTool20250818
@pytest.fixture
def temp_workspace(tmp_path):
"""Create temporary workspace."""
return tmp_path
@pytest.fixture
def memory_tool(temp_workspace):
"""Create MemoryTool instance."""
return MemoryTool20250818(workspace=temp_workspace)
class TestPathSecurity:
"""Test path validation security."""
def test_validate_path_valid_root(self, memory_tool):
"""Test that /memories is valid."""
result = memory_tool._validate_memory_path("/memories")
assert result == memory_tool.memories_dir
def test_validate_path_valid_file(self, memory_tool):
"""Test that /memories/notes.txt is valid."""
result = memory_tool._validate_memory_path("/memories/notes.txt")
assert result == memory_tool.memories_dir / "notes.txt"
def test_validate_path_valid_nested(self, memory_tool):
"""Test that /memories/project/status.xml is valid."""
result = memory_tool._validate_memory_path("/memories/project/status.xml")
assert result == memory_tool.memories_dir / "project" / "status.xml"
def test_validate_path_rejects_parent_traversal(self, memory_tool):
"""Test that ../ is rejected."""
with pytest.raises(ValueError, match="escapes /memories directory"):
memory_tool._validate_memory_path("/memories/../config.json")
def test_validate_path_rejects_double_parent_traversal(self, memory_tool):
"""Test that ../../ is rejected."""
with pytest.raises(ValueError, match="escapes /memories directory"):
memory_tool._validate_memory_path("/memories/../../etc/passwd")
def test_validate_path_rejects_absolute_path(self, memory_tool):
"""Test that absolute paths are rejected."""
with pytest.raises(ValueError, match="must start with /memories"):
memory_tool._validate_memory_path("/etc/passwd")
def test_validate_path_rejects_workspace_path(self, memory_tool):
"""Test that /workspace paths are rejected."""
with pytest.raises(ValueError, match="must start with /memories"):
memory_tool._validate_memory_path("/workspace/data.txt")
def test_validate_path_rejects_relative_path(self, memory_tool):
"""Test that relative paths are rejected."""
with pytest.raises(ValueError, match="must start with /memories"):
memory_tool._validate_memory_path("notes.txt")
def test_validate_path_url_encoded_is_safe(self, memory_tool):
"""Test that URL-encoded paths are safe (not decoded by pathlib)."""
# Python's pathlib treats %2e%2e as literal characters, not as ..
# So this is actually safe - it creates a subdirectory named "%2e%2e"
attack_path = "/memories/%2e%2e/config.json"
result = memory_tool._validate_memory_path(attack_path)
# This should resolve to memories/%2e%2e/config.json (literal characters)
assert result == memory_tool.memories_dir / "%2e%2e" / "config.json"