#!/usr/bin/env python3
"""
3. Sandboxing and Least Privilege for Plugins

Source: Chapter_14_Prompt_Injection
Category: prompt_injection
"""

import argparse
import sys

class SandboxedPluginExecutor:
    def execute_tool(self, tool_name, arguments, user_context):
        # Principle of least privilege
        allowed_tools = self.get_allowed_tools_for_user(user_context)

        if tool_name not in allowed_tools:
            raise PermissionError(f"Tool {tool_name} not allowed for user")

        # Execute in sandbox
        sandbox = PluginSandbox(
            network_access=False,
            file_system_access='read_only',
            memory_limit='100MB',
            timeout=5  # seconds
        )

        try:
            result = sandbox.execute(tool_name, arguments)
            return self.validate_result(result)
        except SandboxViolation as e:
            log_security_incident(tool_name, arguments, e)
            raise


def main():
    """Command-line interface."""
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("--verbose", "-v", action="store_true", help="Verbose output")
    args = parser.parse_args()
    
    # TODO: Add main execution logic
    pass

if __name__ == "__main__":
    main()