Files
gooseek/backend/pkg/middleware/llm_limits.go
home a0e3748dde feat: auth service + security audit fixes + cleanup legacy services
Major changes:
- Add auth-svc: JWT auth, register/login/refresh, password reset
- Add auth UI: modals, pages (/login, /register, /forgot-password)
- Add usage tracking (usage_metrics table, daily limits)
- Add tiered rate limiting (free/pro/business)
- Add LLM usage limits per tier

Security fixes:
- All repos now require userID for Update/Delete operations
- JWT middleware in chat-svc, llm-svc, agent-svc, discover-svc
- ErrNotFound/ErrForbidden errors for proper access control

Cleanup:
- Remove legacy TypeScript services/ directory
- Remove computer-svc (to be reimplemented)
- Remove old deploy/docker configs

New files:
- backend/cmd/auth-svc/main.go
- backend/internal/auth/{types,repository}.go
- backend/internal/usage/{types,repository}.go
- backend/pkg/middleware/{llm_limits,ratelimit_tiered}.go
- backend/webui/src/components/auth/*
- backend/webui/src/app/(auth)/*

Made-with: Cursor
2026-02-28 01:33:49 +03:00

107 lines
2.1 KiB
Go

package middleware
import (
"context"
"database/sql"
"github.com/gofiber/fiber/v2"
"github.com/gooseek/backend/internal/usage"
)
type LLMLimitsConfig struct {
UsageRepo *usage.Repository
}
func LLMLimits(config LLMLimitsConfig) fiber.Handler {
return func(c *fiber.Ctx) error {
userID := GetUserID(c)
if userID == "" {
return c.Status(401).JSON(fiber.Map{
"error": "Authentication required",
})
}
tier := GetUserTier(c)
if tier == "" {
tier = "free"
}
if config.UsageRepo != nil {
allowed, reason := config.UsageRepo.CheckLLMLimits(c.Context(), userID, tier)
if !allowed {
limits := usage.GetLimits(tier)
return c.Status(429).JSON(fiber.Map{
"error": reason,
"tier": tier,
"dailyLimit": limits.LLMRequestsPerDay,
"tokenLimit": limits.LLMTokensPerDay,
"upgradeUrl": "/settings/billing",
})
}
}
return c.Next()
}
}
type UsageTracker struct {
repo *usage.Repository
}
func NewUsageTracker(db *sql.DB) *UsageTracker {
return &UsageTracker{
repo: usage.NewRepository(db),
}
}
func (t *UsageTracker) RunMigrations(ctx context.Context) error {
return t.repo.RunMigrations(ctx)
}
func (t *UsageTracker) TrackAPIRequest(c *fiber.Ctx) {
userID := GetUserID(c)
if userID == "" {
return
}
tier := GetUserTier(c)
if tier == "" {
tier = "free"
}
go t.repo.IncrementAPIRequests(context.Background(), userID, tier)
}
func (t *UsageTracker) TrackLLMRequest(ctx context.Context, userID, tier string, tokens int) {
if userID == "" {
return
}
if tier == "" {
tier = "free"
}
go t.repo.IncrementLLMUsage(ctx, userID, tier, tokens)
}
func (t *UsageTracker) TrackSearchRequest(c *fiber.Ctx) {
userID := GetUserID(c)
if userID == "" {
return
}
tier := GetUserTier(c)
if tier == "" {
tier = "free"
}
go t.repo.IncrementSearchRequests(context.Background(), userID, tier)
}
func (t *UsageTracker) GetRepository() *usage.Repository {
return t.repo
}
func UsageTracking(tracker *UsageTracker) fiber.Handler {
return func(c *fiber.Ctx) error {
if tracker != nil {
tracker.TrackAPIRequest(c)
}
return c.Next()
}
}