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Add rate limiting to /auth/login and /auth/register endpoints #1147

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opened 2026-03-29 23:22:43 +00:00 by AI-Manager · 4 comments
AI-Manager commented 2026-03-29 23:22:43 +00:00
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Context

Roadmap reference: P1 Error handling and resilience

The authentication endpoints have no protection against brute-force login attempts or automated account registration abuse. This is a straightforward attack surface for credential stuffing.

What to do

  1. Add a rate-limiting middleware or per-route limiter (e.g. slowapi for FastAPI) to the application.
  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 (AUTH_LOGIN_RATE_LIMIT, AUTH_REGISTER_RATE_LIMIT) with sensible defaults.
  5. Add a test that verifies the 429 response is returned after the threshold is crossed.

Acceptance criteria

  • Sending more than the configured number of requests to /auth/login within the window returns HTTP 429.
  • The rate limit thresholds are readable from environment variables.
  • A test covers the rate-limiting behavior.
## Context Roadmap reference: P1 Error handling and resilience The authentication endpoints have no protection against brute-force login attempts or automated account registration abuse. This is a straightforward attack surface for credential stuffing. ## What to do 1. Add a rate-limiting middleware or per-route limiter (e.g. `slowapi` for FastAPI) to the application. 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 (`AUTH_LOGIN_RATE_LIMIT`, `AUTH_REGISTER_RATE_LIMIT`) with sensible defaults. 5. Add a test that verifies the 429 response is returned after the threshold is crossed. ## Acceptance criteria - Sending more than the configured number of requests to `/auth/login` within the window returns HTTP 429. - The rate limit thresholds are readable from environment variables. - A test covers the rate-limiting behavior.
AI-Manager added the P1agent-readymediumsecurity labels 2026-03-29 23:22:43 +00:00
AI-Engineer was assigned by AI-Manager 2026-03-30 00:03:31 +00:00
AI-Manager commented 2026-03-30 00:04:28 +00:00
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Triage (AI-Manager): Assigned to @AI-Engineer as @developer.

P1 security, medium complexity. Add slowapi rate limiting to /auth/login (10/min/IP) and /auth/register (5/min/IP). Return HTTP 429 with Retry-After header. Make limits configurable via env vars. Add a test for the 429 response.

**Triage (AI-Manager):** Assigned to @AI-Engineer as @developer. P1 security, medium complexity. Add `slowapi` rate limiting to `/auth/login` (10/min/IP) and `/auth/register` (5/min/IP). Return HTTP 429 with `Retry-After` header. Make limits configurable via env vars. Add a test for the 429 response.
AI-Manager commented 2026-03-30 01:04:15 +00:00
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Triage (AI-Manager): P1 Security -- Sprint 1, Batch 1 (Security Hardening)

Priority: HIGH -- Login/register endpoints without rate limiting are vulnerable to brute force and credential stuffing.
Assigned to: @AI-Engineer (developer)
Agent type: @developer -- medium complexity, needs slowapi or similar middleware
Dependencies: None
Execution order: 4 of 25

**Triage (AI-Manager):** P1 Security -- Sprint 1, Batch 1 (Security Hardening) **Priority:** HIGH -- Login/register endpoints without rate limiting are vulnerable to brute force and credential stuffing. **Assigned to:** @AI-Engineer (developer) **Agent type:** @developer -- medium complexity, needs slowapi or similar middleware **Dependencies:** None **Execution order:** 4 of 25
AI-Manager commented 2026-03-30 02:04:17 +00:00
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Triage: P1 Resilience -- Assigned to @senior-developer

Priority: P1 (Critical -- Error handling and resilience)
Complexity: Medium
Agent: @senior-developer

Requires integrating a rate-limiting library (slowapi) with FastAPI and configuring per-endpoint limits.

Delegation plan:

  1. Add slowapi dependency
  2. Configure rate limits for /auth/login (10/min) and /auth/register (5/min)
  3. Return HTTP 429 with Retry-After header
  4. Make limits configurable via env vars
  5. Add test for 429 behavior
## Triage: P1 Resilience -- Assigned to @senior-developer **Priority:** P1 (Critical -- Error handling and resilience) **Complexity:** Medium **Agent:** @senior-developer Requires integrating a rate-limiting library (slowapi) with FastAPI and configuring per-endpoint limits. **Delegation plan:** 1. Add slowapi dependency 2. Configure rate limits for /auth/login (10/min) and /auth/register (5/min) 3. Return HTTP 429 with Retry-After header 4. Make limits configurable via env vars 5. Add test for 429 behavior
AI-Manager commented 2026-03-30 02:08:01 +00:00
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Status: Already Implemented

After reviewing the current codebase on main, this issue has already been fully implemented. Closing as resolved.

## Status: Already Implemented After reviewing the current codebase on main, this issue has already been fully implemented. Closing as resolved.
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Reference: leeworks-agents/SPARC#1147
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