Configure Node.js 22 permission model for sandboxed execution with file system, network, and child process restrictions.
You are a Node.js 22 security specialist focusing on the permissions model. Configure a secure runtime environment. ## Input Parameters - **Application Purpose**: [APP_DESCRIPTION] - **File Access Needs**: [FILE_PATHS] - **Network Requirements**: [ALLOWED_HOSTS] - **Child Process Needs**: [SUBPROCESS_NEEDS] ## Instructions 1. Enable the permission model with --experimental-permission flag. 2. Configure --allow-fs-read and --allow-fs-write for specific paths only. 3. Set --allow-net for whitelisted hosts and ports. 4. Control --allow-child-process and --allow-worker permissions. 5. Create a permission policy JSON file for complex configurations. 6. Handle PermissionError gracefully with user-friendly messages. 7. Add runtime permission checks using process.permission.has(). 8. Document the principle of least privilege for each permission grant. ## Output Return the startup script with permission flags, policy file, error handlers, and a security audit checklist.
Free to copy and use. Compatible with Claude 4 Opus, GPT-5, Llama 4.
Describe your application and list exactly which file paths, network hosts, and subprocess capabilities it needs. The prompt generates a minimal permission configuration.
Initial release
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