README.md

goSend

A simple command line file sharing tool

Usage

goSend -f ~/pathToFile/theFile

Anyone in the local network can go to the host address (default:192.168.1.101:8000) to receive the file.

Options

• -f The path to file
• -h host ip address
• -p port
• -download If set to false, the browser will try to display the file

goSend.go

package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"net/url"
	"os"
	"path/filepath"
)

func main() {
	filePath := flag.String("f", "", "path to file")
	host := flag.String("h", "192.168.1.101", "host")
	port := flag.String("p", "8000", "port")
	download := flag.Bool("download", true, "if set to False the browser will display the file if possible")
	flag.Parse()
	if *filePath == "" {
		fmt.Println("Usage: goSend -f path_to_file")
		os.Exit(1)
	}
	// fmt.Println(net.LookupHost("en0"))
	http.HandleFunc("/", baseHandler(filePath, download))
	fmt.Printf("Serving on http://%v:%v\n", *host, *port)
	log.Fatal(http.ListenAndServe(*host+":"+*port, nil))
}

func baseHandler(filePath *string, download *bool) func(http.ResponseWriter, *http.Request) {
	fileName := filepath.Base(*filePath)
	contentDisposition := "attachment"
	if *download == false {
		contentDisposition = "inline"
	}
	contDispos := fmt.Sprintf("%v;filename=%v", contentDisposition, url.QueryEscape(fileName))

	return func(w http.ResponseWriter, r *http.Request) {
		defer r.Body.Close()
		w.Header().Set("Content-Disposition", contDispos)
		http.ServeFile(w, r, *filePath)
		fmt.Printf("Served %v to %v\n", fileName, r.RemoteAddr)
	}

}