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package main
import (
"fmt"
"log"
"net/http"
"os"
"html/template"
"flag"
)
var tmpl *template.Template
func handleGet( w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[1:]
if path == "" {
path = "."
}
fmt.Printf("Trying to get [%s]\n", r.URL.Path[1:])
stat, err := os.Stat(path)
switch {
case err != nil || stat == nil :
if os.IsNotExist(err) {
w.WriteHeader(http.StatusNotFound)
fmt.Fprintln(w, "File not found")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "Sry bro")
return
}
case stat.IsDir() :
// If it's a collection list return the list of the collection
type Entry struct {
Name string
Size int
}
var files []Entry
f, err := os.Open(path)
if err != nil {
w.WriteHeader(http.StatusNotFound)
fmt.Fprintln(w, "File not found")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "Sry bro")
return
}
fileInfo, err := f.Readdir(-1)
f.Close()
if err != nil {
w.WriteHeader(http.StatusNotFound)
fmt.Fprintln(w, "File not found")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "Sry bro")
}
for _, file := range fileInfo {
files = append(files, Entry{file.Name(), 0})
}
type Collection struct {
Name string
ListEntries []Entry
}
tmpl.Execute(w, Collection{ "Title" , files})
case stat.Mode().IsRegular():
http.ServeFile(w, r, r.URL.Path[1:])
default:
}
}
func handlePost( w http.ResponseWriter, r *http.Request) {
}
func handleDelete( w http.ResponseWriter, r *http.Request) {
}
func handlePut( w http.ResponseWriter, r *http.Request) {
}
func handleMethod( w http.ResponseWriter, r *http.Request) {
switch r.Method {
case http.MethodGet:
handleGet(w, r)
case http.MethodPost:
handlePost(w, r)
case http.MethodPut:
handlePut(w, r)
case http.MethodDelete:
// Remove the record.
handleDelete(w, r)
default:
w.WriteHeader(http.StatusTeapot)
fmt.Fprintln(w, "Sry, i'm a teapot >///<")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "Here's some tea. 🍵")
}
}
func main() {
var dir string
var help, version bool
helpString := `This is the help`
versionString := "0.0.0"
const (
defaultDir = "."
usageDir = "the directory to serve"
usageHelp = "show some help"
usageVersion = "show the version"
)
flag.StringVar(&dir, "directory", defaultDir, usageDir)
flag.StringVar(&dir, "d", defaultDir, usageDir+" (shorthand)")
flag.BoolVar(&help, "help", false, usageHelp)
flag.BoolVar(&help, "h", false, usageHelp+" (shorthand)")
flag.BoolVar(&version, "version", false, usageVersion)
flag.BoolVar(&version, "v", false, usageVersion+" (shorthand)")
flag.Parse()
if dir == "" {
dir = defaultDir
}
if help {
fmt.Println(helpString)
return
}
if version {
fmt.Printf("davy %s\n", versionString)
return
}
tmpl = template.Must(template.ParseFiles("dir.html"))
if err := os.Chdir(dir) ; err != nil {
fmt.Println("Error with directory [" + dir + "]")
return
}
fmt.Println("Launch server")
http.HandleFunc("/", handleMethod)
log.Fatal(http.ListenAndServe(":8080", nil))
fmt.Println("Bye bye")
}
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