v0.5

main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+func main() {
+	var fdir string
+	flag.StringVar(&fdir, "d", "", "path to dir to serve")
+	flag.Parse()
+
+	if fdir == "" {
+		printHelp()
+		os.Exit(0)
+	}
+
+	s := Server{
+		port:    ":8080",
+		dirPath: fdir,
+	}
+	s.Serve()
+}
+
+func printHelp() {
+	fmt.Println("Usage: -d path to dir to serve")
+}

modd.conf

@@ -0,0 +1,4 @@
+**/*.go !**/*_test.go {
+    prep: go build -o server main.go server.go
+    daemon +sigterm: ./server -d public
+}

public/dir/otherFile.html

@@ -0,0 +1 @@
+No content in this file

public/someFile.html

@@ -0,0 +1 @@
+<strong>No content in this file</strong>

server.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+)
+
+// Server base struct
+type Server struct {
+	port    string
+	dirPath string
+}
+
+func (s *Server) initHandler() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		path := s.dirPath + r.URL.Path
+		file, err := os.Lstat(path)
+		if err != nil {
+			log.Println("File " + path + " not exists")
+			http.NotFound(w, r)
+			return
+		}
+
+		switch mode := file.Mode(); {
+		case mode.IsRegular():
+			serveFile(w, r, path)
+		case mode.IsDir():
+			serveDir(w, r, path)
+		}
+	})
+
+	log.Printf("Serving %v directory\n", s.dirPath)
+}
+
+// Serve function
+func (s *Server) Serve() {
+	s.initHandler()
+
+	log.Print("Listening on", s.port)
+	log.Fatal(http.ListenAndServe(s.port, nil))
+}
+
+func serveDir(w http.ResponseWriter, r *http.Request, path string) {
+	log.Println("Serving " + path + " dir...")
+	dirList, err := ioutil.ReadDir(path)
+	if err != nil {
+		log.Fatalln(err)
+		return
+	}
+
+	var outputDirList []string
+	for _, file := range dirList {
+		fileURL := strings.TrimRight(r.RequestURI, "/") + "/" + file.Name()
+		outputDirList = append(outputDirList, "<a href=\""+fileURL+"\">"+file.Name()+"</a>")
+	}
+
+	response := strings.Join(outputDirList, "<br />")
+	w.Write([]byte(string(response)))
+}
+
+func serveFile(w http.ResponseWriter, r *http.Request, path string) {
+	log.Println("Serving " + path + " file...")
+
+	http.ServeFile(w, r, path)
+}