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security

@jhlee0409/sidedish
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Implements security features following OWASP guidelines. Use when validating input, preventing XSS, adding rate limiting, verifying auth, or handling file uploads. Includes security-utils, sanitize-utils, and rate-limiter patterns.

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SKILL.md

name security
description Implements security features following OWASP guidelines. Use when validating input, preventing XSS, adding rate limiting, verifying auth, or handling file uploads. Includes security-utils, sanitize-utils, and rate-limiter patterns.

Security Skill

Instructions

  1. Validate all input with security-utils.ts
  2. Sanitize user content with SafeMarkdown or sanitizePlainText
  3. Rate limit all API endpoints
  4. Verify auth for protected routes
  5. Check ownership for write operations

Quick Reference

// Input validation
import { validateString, CONTENT_LIMITS } from '@/lib/security-utils'
const result = validateString(input, 'fieldName', { required: true, maxLength: 100 })

// XSS prevention
import SafeMarkdown from '@/components/SafeMarkdown'
<SafeMarkdown>{userContent}</SafeMarkdown>

// Rate limiting
import { checkRateLimit, RATE_LIMIT_CONFIGS } from '@/lib/rate-limiter'
const { allowed } = checkRateLimit(clientId, RATE_LIMIT_CONFIGS.AUTHENTICATED_WRITE)

// Auth
import { verifyAuth } from '@/lib/auth-utils'
const authUser = await verifyAuth(request)

For complete validation patterns, file upload security, and OWASP coverage, see reference.md.