local-server/cmd/dkl-local-server/ui.go
2023-02-07 21:29:19 +01:00

46 lines
775 B
Go

package main
import (
"encoding/base32"
"io"
"io/fs"
"log"
"strings"
"github.com/cespare/xxhash"
dlshtml "novit.tech/direktil/local-server/html"
)
func computeUIHash() {
xxh := xxhash.New()
err := fs.WalkDir(dlshtml.FS, "ui", func(path string, entry fs.DirEntry, walkErr error) (err error) {
if walkErr != nil {
err = walkErr
return
}
if entry.IsDir() {
return
}
f, err := dlshtml.FS.Open(path)
if err != nil {
return
}
defer f.Close()
io.Copy(xxh, f)
return nil
})
if err != nil {
log.Fatal("failed to hash UI: ", err)
}
h := strings.ToLower(base32.HexEncoding.WithPadding(base32.NoPadding).EncodeToString(xxh.Sum(nil)))[:5]
log.Printf("UI hash: %s", h)
wPublicState.Change(func(v *PublicState) { v.UIHash = h })
}