package main
import (
"archive/zip"
"fmt"
"github.com/pkg/browser"
"io"
"net/http"
"os"
"path/filepath"
"regexp"
)
func rootHandler(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, index)
}
func uploadHandler(w http.ResponseWriter, r *http.Request) {
r.ParseMultipartForm(32 << 20)
file, handler, err := r.FormFile("artifact")
if err != nil {
fmt.Println(err)
return
}
defer file.Close()
os.RemoveAll("tmp")
os.Mkdir("tmp", 0755)
filename := filepath.Join("tmp", handler.Filename)
f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
fmt.Println(err)
return
}
defer f.Close()
io.Copy(f, file)
err = Unzip(filename, filepath.Join("tmp", "serve"))
if err != nil {
panic(err)
}
var vizpath string
filepath.Walk("tmp", func(path string, f os.FileInfo, _ error) error {
if !f.IsDir() {
r, err := regexp.MatchString("index.", f.Name())
if err == nil && r {
vizpath = path
}
}
return nil
})
http.Redirect(w, r, vizpath, 301)
}
func main() {
http.HandleFunc("/", rootHandler)
http.HandleFunc("/upload", uploadHandler)
http.Handle("/tmp/", http.StripPrefix("/tmp", http.FileServer(http.Dir("tmp"))))
err := browser.OpenURL("http://localhost:8282")
if err != nil {
panic(err)
}
http.ListenAndServe(":8282", nil)
}
// Modified from http://stackoverflow.com/a/24792688
func Unzip(src, dest string) error {
r, err := zip.OpenReader(src)
if err != nil {
return err
}
defer func() {
if err := r.Close(); err != nil {
panic(err)
}
}()
os.MkdirAll(dest, 0755)
// Closure to address file descriptors issue with all the deferred .Close() methods
extractAndWriteFile := func(f *zip.File) error {
rc, err := f.Open()
if err != nil {
return err
}
defer func() {
if err := rc.Close(); err != nil {
panic(err)
}
}()
path := filepath.Join(dest, f.Name)
if f.FileInfo().IsDir() {
os.MkdirAll(path, 0755)
} else {
os.MkdirAll(filepath.Dir(path), 0755)
f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer func() {
if err := f.Close(); err != nil {
panic(err)
}
}()
_, err = io.Copy(f, rc)
if err != nil {
return err
}
}
return nil
}
for _, f := range r.File {
err := extractAndWriteFile(f)
if err != nil {
return err
}
}
return nil
}
var index string = `
dnd binary upload
`
