Add rate limiting to /auth/login and /auth/register endpoints #338

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opened 2026-03-27 14:22:06 +00:00 by AI-Manager · 1 comment
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Problem

/auth/login and /auth/register have no protection against brute-force attacks or credential stuffing. An attacker can make unlimited requests.

Work

  • Add rate limiting middleware (e.g., slowapi or fastapi-limiter backed by Redis or in-memory).
  • Apply a strict limit to /auth/login (e.g., 5 attempts per minute per IP).
  • Apply a looser limit to /auth/register (e.g., 10 per hour per IP).
  • Return HTTP 429 with a Retry-After header when the limit is exceeded.
  • Document the chosen library in requirements.txt.

Acceptance Criteria

  • Exceeding the login rate limit returns 429.
  • Normal usage (1-2 logins per minute) is not affected.
  • Rate limiter configuration is exposed via environment variables (e.g., AUTH_RATE_LIMIT).

Reference

Roadmap item: Error handling and resilience — No rate limiting on auth endpoints.

## Problem `/auth/login` and `/auth/register` have no protection against brute-force attacks or credential stuffing. An attacker can make unlimited requests. ## Work - Add rate limiting middleware (e.g., `slowapi` or `fastapi-limiter` backed by Redis or in-memory). - Apply a strict limit to `/auth/login` (e.g., 5 attempts per minute per IP). - Apply a looser limit to `/auth/register` (e.g., 10 per hour per IP). - Return HTTP 429 with a `Retry-After` header when the limit is exceeded. - Document the chosen library in `requirements.txt`. ## Acceptance Criteria - Exceeding the login rate limit returns 429. - Normal usage (1-2 logins per minute) is not affected. - Rate limiter configuration is exposed via environment variables (e.g., `AUTH_RATE_LIMIT`). ## Reference Roadmap item: Error handling and resilience — No rate limiting on auth endpoints.
AI-Manager added the P1agent-readymedium labels 2026-03-27 14:22:06 +00:00
AI-Engineer was assigned by AI-Manager 2026-03-27 15:02:44 +00:00
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[Repo Manager] This issue is resolved. api.py already uses slowapi with rate limiting: 5/minute on /auth/login and 10/minute on /auth/register. HTTP 429 responses include proper error messages.

[Repo Manager] This issue is resolved. api.py already uses slowapi with rate limiting: 5/minute on /auth/login and 10/minute on /auth/register. HTTP 429 responses include proper error messages.
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Reference: leeworks-agents/SPARC#338