Add rate limiting to routes

[coderabbitai[bot]]

This PR adds rate limiting to user, message, and session routes using the express-rate-limit library to address the missing rate limiting issue.

Summary by CodeRabbit

• New Features

  • Introduced rate limiting functionality across all Express routes to prevent abuse, allowing a maximum of 100 requests per IP address every 15 minutes.

• Bug Fixes

  • Removed commented-out code sections for improved code clarity and maintainability.

• Refactor

  • Simplified and reorganized code in message, session, and user routes for better readability while maintaining core functionality.

[coderabbitai[bot]]

Walkthrough

## Walkthrough The recent changes enhance the application's resilience and performance by introducing rate limiting across multiple routes. The `express-rate-limit` middleware is integrated, allowing a maximum of 100 requests per IP address within 15 minutes. This implementation aims to prevent abuse while simplifying the codebase through the removal of commented-out sections and unused code, ensuring a cleaner and more efficient application structure. ## Changes | File | Change Summary | |-------------------------|-----------------------------------------------------------------------------------------------------| | `src/index.js` | Introduced `express-rate-limit` middleware to limit requests; removed commented-out code sections. | | `src/routes/message.js` | Added rate limiting for message-related routes; refactored code for clarity; removed commented-out routes. | | `src/routes/session.js` | Introduced rate limiting for session routes; minor refactoring for consistency. | | `src/routes/user.js` | Implemented rate limiting for user routes; cleaned up commented-out route handlers. | ## Sequence Diagram(s) ```mermaid sequenceDiagram participant Client participant Server participant RateLimiter Client->>RateLimiter: Request RateLimiter-->>Client: Check Limit alt Within Limit RateLimiter-->>Server: Forward Request Server-->>Client: Response else Exceeds Limit RateLimiter-->>Client: Rate Limit Exceeded end ``` ## Poem > 🐇 In a garden where rabbits play, > New limits keep the trolls at bay. > With hops and bounds, we code with glee, > A cleaner world for you and me! > Let's celebrate this code so bright, > Thanks to the changes, our future's light! 🌼

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[tjorim]

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