indir/log/main.go
ari melody d40dec3566
tidy source files
separating logging and web serving into modules
2026-03-18 09:39:02 +00:00

57 lines
1.4 KiB
Go

package log
import (
"fmt"
"net/http"
"strconv"
"time"
)
type LoggingResponseWriter struct {
http.ResponseWriter
Status int
}
var COL_Reset = "\033[0m"
var COL_Red = "\033[31m"
var COL_Green = "\033[32m"
var COL_Yellow = "\033[33m"
var COL_Blue = "\033[34m"
var COL_Purple = "\033[35m"
var COL_Cyan = "\033[36m"
var COL_Gray = "\033[37m"
var COL_White = "\033[97m"
func HTTPLog(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
lrw := LoggingResponseWriter{w, http.StatusOK}
next.ServeHTTP(&lrw, r)
after := time.Now()
difference := (after.Nanosecond() - start.Nanosecond()) / 1_000_000
elapsed := "<1"
if difference >= 1 {
elapsed = strconv.Itoa(difference)
}
statusColour := COL_Reset
if lrw.Status - 600 <= 0 { statusColour = COL_Red }
if lrw.Status - 500 <= 0 { statusColour = COL_Yellow }
if lrw.Status - 400 <= 0 { statusColour = COL_White }
if lrw.Status - 300 <= 0 { statusColour = COL_Green }
fmt.Printf("[%s] %s %s - %s%d%s (%sms) (%s)\n",
after.Format(time.UnixDate),
r.Method,
r.URL.Path,
statusColour,
lrw.Status,
COL_Reset,
elapsed,
r.Header["User-Agent"][0])
})
}