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api/handler: O(n) linear scan -> O(1) map lookup

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Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ic2080f59be1eea905e8ca95e90e34d4d6a6a6964
This commit is contained in:
raf 2026-03-07 12:28:39 +03:00
commit 02c4f11619
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
1 changed files with 3 additions and 8 deletions
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11
internal/api/handler.go
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@ -24,7 +24,7 @@ type IngestionHandler struct {
metricsAgg *aggregate.MetricsAggregator
rateLimiter *ratelimit.TokenBucket
rng *rand.Rand
trustedNetworks []*net.IPNet // Pre-parsed CIDR networks
trustedNetworks []*net.IPNet // pre-parsed CIDR networks
}
// Creates a new ingestion handler
@ -209,13 +209,8 @@ func (h *IngestionHandler) handleCORS(w http.ResponseWriter, r *http.Request) {
}
// Check if origin is allowed
allowed := false
for _, allowedOrigin := range h.cfg.Security.CORS.AllowedOrigins {
if allowedOrigin == "*" || allowedOrigin == origin {
allowed = true
break
}
}
// This uses map so that it's O(1)
allowed := h.corsOriginMap["*"] || h.corsOriginMap[origin]
if allowed {
if origin == "*" {