Http Server Logging request bodies.

main.go

package main

import (
	"fmt"
	"io"
	"log"
	"net/http"
	"os"
	"os/signal"
	"time"
)

func main() {
	d, err := os.Getwd()
	if err != nil {
		log.Fatal(err)
	}

	f, err := os.Create("last_request.log")
	if err != nil {
		log.Fatal(err)
	}

	handleRequests := func(w http.ResponseWriter, r *http.Request) {
		n, err := io.Copy(f, r.Body)
		if err != nil {
			log.Println(err)
		}
		log.Println(n, "bytes written")
	}

	defer f.Close()

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	go func() {
		<-c
		f.Close()
		os.Exit(0)
	}()

	http.HandleFunc("/logme", handleRequests)
	http.Handle("/", http.FileServer(http.Dir(d)))
	http.ListenAndServe(":8765", http.DefaultServeMux)
}