golang-template/internal/handlers/middleware.go
2026-08-18 00:44:55 +03:00

53 lines
1.3 KiB
Go

package handlers
import (
"log"
"net/http"
"time"
)
func LoggingMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
// Create a response writer wrapper to capture status code
wrapper := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}
next.ServeHTTP(wrapper, r)
duration := time.Since(start)
timestamp := time.Now().Format(time.RFC3339)
log.Printf("[%s] %s %s - %d (%v)", timestamp, r.Method, r.URL.Path, wrapper.statusCode, duration)
})
}
func CORSMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
origin := r.Header.Get("Origin")
if origin != "" {
w.Header().Set("Access-Control-Allow-Origin", origin)
}
w.Header().Set("Access-Control-Allow-Credentials", "true")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
w.Header().Set("Access-Control-Max-Age", "86400")
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusOK)
return
}
next.ServeHTTP(w, r)
})
}
type responseWriter struct {
http.ResponseWriter
statusCode int
}
func (rw *responseWriter) WriteHeader(code int) {
rw.statusCode = code
rw.ResponseWriter.WriteHeader(code)
}