validators.py•1.73 kB
"""Validation utilities for Obsidian MCP server."""
import os
from typing import Optional
from ..constants import MARKDOWN_EXTENSIONS, ERROR_MESSAGES
def validate_note_path(path: str) -> tuple[bool, Optional[str]]:
"""
Validate a note path.
Args:
path: Path to validate
Returns:
Tuple of (is_valid, error_message)
"""
if not path:
return False, "Path cannot be empty"
# Check length
if len(path) > 255:
return False, ERROR_MESSAGES["path_too_long"].format(length=len(path))
# Check for path traversal attempts
if ".." in path or path.startswith("/"):
return False, ERROR_MESSAGES["invalid_path"].format(path=path)
# Check extension
if not any(path.endswith(ext) for ext in MARKDOWN_EXTENSIONS):
return False, ERROR_MESSAGES["invalid_path"].format(path=path)
# Check for invalid characters
invalid_chars = ["<", ">", ":", '"', "|", "?", "*"]
for char in invalid_chars:
if char in path:
return False, ERROR_MESSAGES["invalid_path"].format(path=path)
return True, None
def sanitize_path(path: str) -> str:
"""
Sanitize a path for use with Obsidian.
Args:
path: Path to sanitize
Returns:
Sanitized path
"""
# Remove leading/trailing slashes and whitespace
path = path.strip().strip("/")
# Ensure .md extension
if not any(path.endswith(ext) for ext in MARKDOWN_EXTENSIONS):
path += ".md"
return path
def is_markdown_file(path: str) -> bool:
"""Check if a path points to a markdown file."""
return any(path.lower().endswith(ext) for ext in MARKDOWN_EXTENSIONS)