func (s *Service) HeadObject(o *fs.Object) (code int, err error) {
url := s.Host + o.EntryURI
resp, err := s.Conn.Post("HEAD", url)
if err != nil {
return
}
defer resp.Body.Close()
code = resp.StatusCode
if code/100 == 2 {
o.Type = resp.Header.Get("Content-Type")
o.ETag = resp.Header.Get("ETag")
o.Size, err = strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64)
if err != nil {
o.Size = 0
}
o.Mtime = resp.Header.Get("Last-Modified")
if o.Meta == nil {
o.Meta = make(map[string]string)
}
for k, v := range resp.Header {
prefix := "x-oss-meta-"
if strings.HasPrefix(k, prefix) == false {
continue
}
o.Meta[strings.TrimLeft(k, prefix)] = v[0]
}
}
return
}
