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