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feat(security): implement rate limiting and enhanced CORS configuration#49

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Alexandrbig1 merged 3 commits into
OpenCodeChicago:mainfrom
deepesh224-ux:feature/wishlist-api
Oct 13, 2025
Merged

feat(security): implement rate limiting and enhanced CORS configuration#49
Alexandrbig1 merged 3 commits into
OpenCodeChicago:mainfrom
deepesh224-ux:feature/wishlist-api

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@deepesh224-ux

@deepesh224-ux deepesh224-ux commented Oct 13, 2025

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Pull Request

Thank you for your contribution!

Description

  • Add comprehensive rate limiting middleware with multiple tiers
  • Implement enhanced CORS with preflight support and origin validation
  • Add security headers via Helmet middleware
  • Create test endpoints for rate limiting and CORS verification
  • Configure environment-specific rate limits (50/min prod, 100/min dev)
  • Add progressive slowdown for repeated requests
  • Implement strict rate limiting for auth endpoints (5 attempts per 15min)
  • Add CORS error handling and security headers
  • Create configuration file for environment-specific settings
  • Add comprehensive documentation for testing and deployment

Security Features:

  • Brute force protection with stricter auth limits
  • IP-based rate limiting with progressive delays
  • Origin validation for CORS requests
  • Comprehensive security headers
  • Preflight request handling

Test Endpoints:

  • GET /api/test-security/rate-limit - Test rate limiting
  • GET /api/test-security/cors - Test CORS configuration
  • OPTIONS /api/test-security/cors - Test preflight requests
  • GET /api/test-security/security-headers - Test security headers

Type of Change

  • Bug fix
  • New feature
  • Documentation update
  • Refactor
  • Other (please describe):

Checklist

  • My code follows the style guidelines of this project
  • I have performed a self-review of my code
  • I have commented my code where necessary
  • I have updated documentation (README, Usage, etc.)
  • My changes generate no new warnings or errors
  • I have added tests (if applicable)
  • All tests pass locally with my changes

- Add comprehensive rate limiting middleware with multiple tiers
- Implement enhanced CORS with preflight support and origin validation
- Add security headers via Helmet middleware
- Create test endpoints for rate limiting and CORS verification
- Configure environment-specific rate limits (50/min prod, 100/min dev)
- Add progressive slowdown for repeated requests
- Implement strict rate limiting for auth endpoints (5 attempts per 15min)
- Add CORS error handling and security headers
- Create configuration file for environment-specific settings
- Add comprehensive documentation for testing and deployment

Security Features:
- Brute force protection with stricter auth limits
- IP-based rate limiting with progressive delays
- Origin validation for CORS requests
- Comprehensive security headers
- Preflight request handling

Test Endpoints:
- GET /api/test-security/rate-limit - Test rate limiting
- GET /api/test-security/cors - Test CORS configuration
- OPTIONS /api/test-security/cors - Test preflight requests
- GET /api/test-security/security-headers - Test security headers

@Alexandrbig1 Alexandrbig1 left a comment

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@deepesh224-ux, great work. May you delete package.json and package-lock.json files from your PR, as I already installed these packages.

@deepesh224-ux

deepesh224-ux commented Oct 13, 2025

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@Alexandrbig1 done

@Alexandrbig1 Alexandrbig1 left a comment

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Thank you for your contribution, and congrats on your PR being approved!
We’re excited to have your work as part of Open Code Chicago’s Hacktoberfest 2025 project.

@Alexandrbig1 Alexandrbig1 added backend Issues related to backend hacktoberfest Special issue for Hacktoberfest hacktoberfest-2025 Special issue for Hacktoberfest 2025 hacktoberfest-accepted This label indicates that a contribution has been accepted and counts toward Hacktoberfest rewards. node.js Backend JavaScript / runtime (Express, APIs, server work) express.js Minimal Node.js web framework — routing & middleware for APIs api API endpoints & integration security Indicates a security-related issue or update labels Oct 13, 2025
@Alexandrbig1 Alexandrbig1 added this to the Hacktoberfest 2025 milestone Oct 13, 2025
@Alexandrbig1 Alexandrbig1 merged commit 8e375f8 into OpenCodeChicago:main Oct 13, 2025
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@Alexandrbig1 Alexandrbig1 linked an issue Oct 13, 2025 that may be closed by this pull request
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Labels

api API endpoints & integration backend Issues related to backend express.js Minimal Node.js web framework — routing & middleware for APIs hacktoberfest Special issue for Hacktoberfest hacktoberfest-2025 Special issue for Hacktoberfest 2025 hacktoberfest-accepted This label indicates that a contribution has been accepted and counts toward Hacktoberfest rewards. node.js Backend JavaScript / runtime (Express, APIs, server work) security Indicates a security-related issue or update

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Rate Limiting & CORS

2 participants