PiwigoDirectoryUploader/internal/pkg/localFileStructure/checksumCalculator.go

31 lines
578 B
Go

package localFileStructure
import (
"crypto/md5"
"fmt"
"github.com/sirupsen/logrus"
"io"
"os"
)
func calculateFileCheckSums(filePath string) (string, error) {
f, err := os.Open(filePath)
if err != nil {
logrus.Errorf("Could not open file %s", filePath)
return "", err
}
defer f.Close()
h := md5.New()
if _, err := io.Copy(h, f); err != nil {
logrus.Errorf("Could calculate md5 sum of file %s", filePath)
return "", err
}
md5sum := fmt.Sprintf("%x", md5.Sum(nil))
logrus.Tracef("Calculated md5 sum of %s - %s", filePath, md5sum)
return md5sum, nil
}