forked from cadey/xesite
60 lines
926 B
Go
60 lines
926 B
Go
|
package asarfs
|
||
|
|
|
||
|
|
import (
|
||
|
|
"mime"
|
||
|
|
"net/http"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"layeh.com/asar"
|
||
|
|
)
|
||
|
|
|
||
|
|
type ASARfs struct {
|
||
|
|
fin *os.File
|
||
|
|
ar *asar.Entry
|
||
|
|
notFound http.Handler
|
||
|
|
}
|
||
|
|
|
||
|
|
func (a *ASARfs) Close() error {
|
||
|
|
return a.fin.Close()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (a *ASARfs) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||
|
|
if r.RequestURI == "/" {
|
||
|
|
r.RequestURI = "/index.html"
|
||
|
|
}
|
||
|
|
|
||
|
|
f := a.ar.Find(strings.Split(r.RequestURI, "/")[1:]...)
|
||
|
|
if f == nil {
|
||
|
|
a.notFound.ServeHTTP(w, r)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
ext := filepath.Ext(f.Name)
|
||
|
|
mimeType := mime.TypeByExtension(ext)
|
||
|
|
|
||
|
|
w.Header().Add("Content-Type", mimeType)
|
||
|
|
f.WriteTo(w)
|
||
|
|
}
|
||
|
|
|
||
|
|
func New(archivePath string, notFound http.Handler) (*ASARfs, error) {
|
||
|
|
fin, err := os.Open(archivePath)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
root, err := asar.Decode(fin)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
a := &ASARfs{
|
||
|
|
fin: fin,
|
||
|
|
ar: root,
|
||
|
|
notFound: notFound,
|
||
|
|
}
|
||
|
|
|
||
|
|
return a, nil
|
||
|
|
}
|