Files
sheetless-server/src/utils/filehash.go
2026-01-23 21:37:18 +01:00

33 lines
472 B
Go

package utils
import (
"hash/fnv"
"io"
"mime/multipart"
"os"
)
func FileHashFromUpload(file multipart.File) (uint64, error) {
h := fnv.New64a()
if _, err := io.Copy(h, file); err != nil {
return 0, err
}
return h.Sum64(), nil
}
func FileHash(path string) (uint64, error) {
f, err := os.Open(path)
if err != nil {
return 0, err
}
defer f.Close()
h := fnv.New64a()
if _, err := io.Copy(h, f); err != nil {
return 0, err
}
return h.Sum64(), nil
}