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added head function to storage

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Remco 2014-11-10 17:18:41 +01:00
parent 3f061f4941
commit c0a8498ad2
1 changed files with 26 additions and 0 deletions
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26
transfersh-server/storage.go
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@ -12,6 +12,7 @@ import (
type Storage interface {
Get(token string, filename string) (reader io.ReadCloser, contentType string, contentLength uint64, err error)
Head(token string, filename string) (contentType string, contentLength uint64, err error)
Put(token string, filename string, reader io.Reader, contentType string, contentLength uint64) error
}
@ -24,6 +25,20 @@ func NewLocalStorage(basedir string) (*LocalStorage, error) {
return &LocalStorage{basedir: basedir}, nil
}
func (s *LocalStorage) Head(token string, filename string) (contentType string, contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
var fi os.FileInfo
if fi, err = os.Lstat(path); err != nil {
}
contentLength = uint64(fi.Size())
contentType = mime.TypeByExtension(filepath.Ext(filename))
return
}
func (s *LocalStorage) Get(token string, filename string) (reader io.ReadCloser, contentType string, contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
@ -81,6 +96,17 @@ func NewS3Storage() (*S3Storage, error) {
return &S3Storage{bucket: bucket}, nil
}
func (s *S3Storage) Head(token string, filename string) (contentType string, contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)
// content type , content length
response, err := s.bucket.Head(key, map[string][]string{})
contentType = ""
contentLength, err = strconv.ParseUint(response.Header.Get("Content-Length"), 10, 0)
return
}
func (s *S3Storage) Get(token string, filename string) (reader io.ReadCloser, contentType string, contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)