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|
package objects
import (
"bufio"
"crypto/md5"
"fmt"
"io"
"os"
"strings"
)
const (
emptyETag = "d41d8cd98f00b204e9800998ecf8427e"
diskBuffer = 65536
)
var (
knownDirMarkers = []string{
"application/directory",
"text/directory",
}
)
func ContainerPartition(containerName string) (string, string) {
var pseudoFolder string
parts := strings.SplitN(containerName, "/", 2)
if len(parts) == 2 {
containerName = parts[0]
pseudoFolder = strings.TrimSuffix(parts[1], "/")
}
return containerName, pseudoFolder
}
// https://github.com/holys/checksum/blob/master/md5/md5.go
func FileMD5Sum(filename string) (string, error) {
if _, err := os.Stat(filename); err != nil {
return "", err
}
file, err := os.Open(filename)
if err != nil {
return "", err
}
defer file.Close()
hash := md5.New()
for buf, reader := make([]byte, diskBuffer), bufio.NewReader(file); ; {
n, err := reader.Read(buf)
if err != nil {
if err == io.EOF {
break
}
return "", err
}
hash.Write(buf[:n])
}
return fmt.Sprintf("%x", hash.Sum(nil)), nil
}
func GetContentType(ct string) string {
v := strings.SplitN(ct, ";", 2)
return v[0]
}
|
