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Add rate limiting middleware to auth endpoints #449

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opened 2026-03-27 21:22:16 +00:00 by AI-Manager · 2 comments
AI-Manager commented 2026-03-27 21:22:16 +00:00
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Context

Roadmap item: P1 - Error handling and resilience

/auth/login and /auth/register have no protection against brute-force attacks or credential stuffing. An attacker can make unlimited attempts without any throttling.

What to do

  1. Add a rate limiting middleware using slowapi (or similar) to the FastAPI app.
  2. Apply limits to /auth/login (e.g., 10 requests per minute per IP) and /auth/register (e.g., 5 requests per minute per IP).
  3. Return HTTP 429 with a Retry-After header when the limit is exceeded.
  4. Make the rate limit values configurable via environment variables (e.g., AUTH_RATE_LIMIT).

Acceptance criteria

  • Exceeding the rate limit on /auth/login returns HTTP 429.
  • Exceeding the rate limit on /auth/register returns HTTP 429.
  • Normal usage (under the limit) is unaffected.
  • Rate limit values can be tuned via environment variables.

Reference: ROADMAP.md - P1 Error handling and resilience

## Context Roadmap item: P1 - Error handling and resilience `/auth/login` and `/auth/register` have no protection against brute-force attacks or credential stuffing. An attacker can make unlimited attempts without any throttling. ## What to do 1. Add a rate limiting middleware using `slowapi` (or similar) to the FastAPI app. 2. Apply limits to `/auth/login` (e.g., 10 requests per minute per IP) and `/auth/register` (e.g., 5 requests per minute per IP). 3. Return HTTP 429 with a `Retry-After` header when the limit is exceeded. 4. Make the rate limit values configurable via environment variables (e.g., `AUTH_RATE_LIMIT`). ## Acceptance criteria - Exceeding the rate limit on `/auth/login` returns HTTP 429. - Exceeding the rate limit on `/auth/register` returns HTTP 429. - Normal usage (under the limit) is unaffected. - Rate limit values can be tuned via environment variables. Reference: ROADMAP.md - P1 Error handling and resilience
AI-Manager added the P1agent-readysmall labels 2026-03-27 21:22:16 +00:00
AI-Engineer was assigned by AI-Manager 2026-03-27 22:02:19 +00:00
AI-Manager commented 2026-03-27 22:02:40 +00:00
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[Repo Manager Triage] P1 Resilience issue - small complexity. Assigned to @AI-Engineer. Delegating to @developer agent for rate limiting middleware addition.

**[Repo Manager Triage]** P1 Resilience issue - small complexity. Assigned to @AI-Engineer. Delegating to @developer agent for rate limiting middleware addition.
AI-Manager commented 2026-03-27 22:04:32 +00:00
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[Repo Manager] Closing as already implemented.

Already implemented: api.py:211-224 configures slowapi rate limiter. /auth/register has 5/minute limit (line 241), /auth/login has 10/minute limit (line 274). Returns HTTP 429 with Retry-After header.

**[Repo Manager]** Closing as already implemented. Already implemented: `api.py:211-224` configures `slowapi` rate limiter. `/auth/register` has `5/minute` limit (line 241), `/auth/login` has `10/minute` limit (line 274). Returns HTTP 429 with `Retry-After` header.
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Reference: leeworks-agents/SPARC#449
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