generated from CubeCraft-Creations/Tracehound
33 lines
920 B
Go
33 lines
920 B
Go
// Package auth provides API key authentication middleware.
|
|
package auth
|
|
|
|
import (
|
|
"net/http"
|
|
)
|
|
|
|
// Middleware returns a Chi middleware that validates the X-API-Key header.
|
|
func Middleware(apiKey string) func(http.Handler) http.Handler {
|
|
return func(next http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
header := r.Header.Get("X-API-Key")
|
|
if apiKey == "" {
|
|
// No API key configured — allow all requests (kiosk mode)
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
if header == "" || header != apiKey {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.WriteHeader(http.StatusUnauthorized)
|
|
w.Write([]byte(`{"error":"unauthorized"}`))
|
|
return
|
|
}
|
|
next.ServeHTTP(w, r)
|
|
})
|
|
}
|
|
}
|
|
|
|
// ExtractKey reads and returns the API key from the request, or empty string.
|
|
func ExtractKey(r *http.Request) string {
|
|
return r.Header.Get("X-API-Key")
|
|
}
|