MCP Server Hero

"""Validation utilities.""" from typing import Any def validate_json_schema(data: Any, schema: dict[str, Any]) -> bool: """Validate data against JSON schema (basic validation). Args: data: Data to validate schema: JSON schema Returns: True if valid, False otherwise """ try: # Basic type validation if "type" in schema: expected_type = schema["type"] if expected_type == "object" and not isinstance(data, dict): return False elif expected_type == "array" and not isinstance(data, list): return False elif expected_type == "string" and not isinstance(data, str): return False elif expected_type == "integer" and not isinstance(data, int): return False elif expected_type == "number" and not isinstance(data, (int, float)): return False elif expected_type == "boolean" and not isinstance(data, bool): return False # Required properties validation for objects if isinstance(data, dict) and "required" in schema: for required_prop in schema["required"]: if required_prop not in data: return False return True except Exception: return False def sanitize_input(input_str: str, max_length: int = 1000) -> str: """Sanitize input string. Args: input_str: Input string to sanitize max_length: Maximum allowed length Returns: Sanitized string """ if not isinstance(input_str, str): input_str = str(input_str) # Truncate if too long if len(input_str) > max_length: input_str = input_str[:max_length] # Remove potentially harmful characters forbidden_chars = ["\x00", "\x01", "\x02", "\x03", "\x04", "\x05"] for char in forbidden_chars: input_str = input_str.replace(char, "") return input_str.strip()