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package main
import (
"flag"
"fmt"
"io"
"log"
"net/http"
"os"
"strings"
)
func accessLog(h http.Handler, quiet bool) http.Handler {
t := &TemplateHandler{handler: h}
fn := func(w http.ResponseWriter, r *http.Request) {
if !quiet {
log.Println(r.Method, r.URL.Path, r.RemoteAddr)
}
t.ServeHTTP(w, r)
}
return http.HandlerFunc(fn)
}
func uploadHandler(dir string, quiet bool) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Server", "uhttpd")
file, header, err := r.FormFile("file")
if err != nil {
w.WriteHeader(500)
w.Write([]byte(err.Error()))
log.Println("ERROR", err.Error())
return
}
defer file.Close()
if !strings.HasSuffix(dir, "/") {
dir = dir + "/"
}
out, err := os.Create(dir + header.Filename)
if err != nil {
w.WriteHeader(500)
w.Write([]byte(err.Error()))
log.Println("ERROR", err.Error())
return
}
defer out.Close()
_, err = io.Copy(out, file)
if err != nil {
w.WriteHeader(500)
w.Write([]byte(err.Error()))
log.Println("ERROR", err.Error())
return
}
if !quiet {
log.Println(r.Method, r.URL.Path, header.Filename, r.RemoteAddr)
}
w.Write([]byte("Uploaded " + header.Filename))
}
return http.HandlerFunc(fn)
}
func main() {
ip_f := flag.String("ip", "0.0.0.0", "IP adress to listen on.")
port_f := flag.String("port", "3000", "Port to listen on.")
dir_f := flag.String("dir", ".", "Directory to serve.")
disallow_upl_f := flag.Bool("disallow-upload", false, "Disallow uploads to /upload.")
upl_dir_f := flag.String("upload-dir", ".", "Directory to store uploaded files.")
quiet_f := flag.Bool("quiet", false, "Be quiet, suppress output.")
flag.Parse()
port := os.Getenv("PORT")
if port == "" {
port = *port_f
}
if !*quiet_f {
fmt.Println("Starting uhttpd serving \"" + *dir_f + "\" on " + *ip_f + ":" + port + ".")
}
mux := http.NewServeMux()
if !*disallow_upl_f {
os.MkdirAll(*upl_dir_f, 0755)
mux.Handle("/upload", uploadHandler(*upl_dir_f, *quiet_f))
}
mux.Handle("/", accessLog(http.FileServer(http.Dir(*dir_f)), *quiet_f))
log.Fatal(http.ListenAndServe(*ip_f+":"+port, mux))
}
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