84 lines
2.0 KiB
Go
84 lines
2.0 KiB
Go
// Credits go to: https://gist.github.com/cespare/3985516
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const ApacheFormatPattern = "%s - - [%s] \"%s %d %d\" %.4fms \"%s\"\n"
|
|
|
|
type ApacheLogRecord struct {
|
|
http.ResponseWriter
|
|
|
|
ip string
|
|
time time.Time
|
|
method, uri, protocol string
|
|
status int
|
|
responseBytes int64
|
|
elapsedTime time.Duration
|
|
}
|
|
|
|
func (r *ApacheLogRecord) Log(out io.Writer, origHdr http.Header) {
|
|
timeFormatted := r.time.Format("02/Jan/2006 03:04:05")
|
|
requestLine := fmt.Sprintf("%s %s %s", r.method, r.uri, r.protocol)
|
|
fmt.Fprintf(out, ApacheFormatPattern, r.ip, timeFormatted, requestLine, r.status,
|
|
r.responseBytes, r.elapsedTime.Seconds()*1000, origHdr.Get("X-Panic"))
|
|
}
|
|
|
|
func (r *ApacheLogRecord) Write(p []byte) (int, error) {
|
|
written, err := r.ResponseWriter.Write(p)
|
|
r.responseBytes += int64(written)
|
|
return written, err
|
|
}
|
|
|
|
func (r *ApacheLogRecord) WriteHeader(status int) {
|
|
r.status = status
|
|
r.ResponseWriter.WriteHeader(status)
|
|
}
|
|
|
|
type ApacheLoggingHandler struct {
|
|
handler http.Handler
|
|
out io.Writer
|
|
}
|
|
|
|
func NewApacheLoggingHandler(handler http.Handler, out io.Writer) http.Handler {
|
|
return &ApacheLoggingHandler{
|
|
handler: handler,
|
|
out: out,
|
|
}
|
|
}
|
|
|
|
func (h *ApacheLoggingHandler) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
|
|
clientIP := r.RemoteAddr
|
|
if colon := strings.LastIndex(clientIP, ":"); colon != -1 {
|
|
clientIP = clientIP[:colon]
|
|
}
|
|
|
|
record := &ApacheLogRecord{
|
|
ResponseWriter: rw,
|
|
ip: clientIP,
|
|
time: time.Time{},
|
|
method: r.Method,
|
|
uri: r.RequestURI,
|
|
protocol: r.Proto,
|
|
status: http.StatusOK,
|
|
elapsedTime: time.Duration(0),
|
|
}
|
|
|
|
startTime := time.Now()
|
|
h.handler.ServeHTTP(record, r)
|
|
finishTime := time.Now()
|
|
|
|
record.time = finishTime.UTC()
|
|
record.elapsedTime = finishTime.Sub(startTime)
|
|
|
|
if r.Header.Get("X-Silence-Logging") != "yes" {
|
|
record.Log(h.out, r.Header)
|
|
}
|
|
}
|