camper/pkg/http/logger.go

60 lines
1.2 KiB
Go

/*
* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
* SPDX-License-Identifier: AGPL-3.0-only
*/
package http
import (
"log"
"net/http"
"os"
"time"
)
type loggerResponseWriter struct {
http.ResponseWriter
statusCode int
responseSize int
}
func (w *loggerResponseWriter) WriteHeader(statusCode int) {
w.statusCode = statusCode
w.ResponseWriter.WriteHeader(statusCode)
}
func (w *loggerResponseWriter) Write(b []byte) (int, error) {
w.responseSize += len(b)
return w.ResponseWriter.Write(b)
}
func (w *loggerResponseWriter) Flush() {
if f, ok := w.ResponseWriter.(http.Flusher); ok {
f.Flush()
}
}
func LogRequest(next http.Handler) http.Handler {
stdout := log.New(os.Stdout, "", log.LstdFlags)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
t := time.Now()
logger := loggerResponseWriter{w, 0, 0}
requestPath := r.URL.Path
next.ServeHTTP(&logger, r)
statusCode := logger.statusCode
if statusCode == 0 {
statusCode = http.StatusOK
}
stdout.Printf("HTTP - %s %s \"%s\" %d %d %s\n",
RemoteAddr(r),
r.Method,
requestPath,
statusCode,
logger.responseSize,
time.Since(t),
)
})
}