You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
1.4 KiB
70 lines
1.4 KiB
package localfs
|
|
|
|
import (
|
|
"errors"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"os"
|
|
"path"
|
|
|
|
"github.com/andreimarcu/linx-server/backends"
|
|
)
|
|
|
|
type LocalfsBackend struct {
|
|
basePath string
|
|
}
|
|
|
|
func (b LocalfsBackend) Delete(key string) error {
|
|
return os.Remove(path.Join(b.basePath, key))
|
|
}
|
|
|
|
func (b LocalfsBackend) Exists(key string) (bool, error) {
|
|
_, err := os.Stat(path.Join(b.basePath, key))
|
|
return err == nil, err
|
|
}
|
|
|
|
func (b LocalfsBackend) Get(key string) ([]byte, error) {
|
|
return ioutil.ReadFile(path.Join(b.basePath, key))
|
|
}
|
|
|
|
func (b LocalfsBackend) Put(key string, r io.Reader) (int64, error) {
|
|
dst, err := os.Create(path.Join(b.basePath, key))
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer dst.Close()
|
|
|
|
bytes, err := io.Copy(dst, r)
|
|
if bytes == 0 {
|
|
b.Delete(key)
|
|
return bytes, errors.New("Empty file")
|
|
} else if err != nil {
|
|
b.Delete(key)
|
|
return bytes, err
|
|
}
|
|
|
|
return bytes, err
|
|
}
|
|
|
|
func (b LocalfsBackend) Open(key string) (backends.ReadSeekCloser, error) {
|
|
return os.Open(path.Join(b.basePath, key))
|
|
}
|
|
|
|
func (b LocalfsBackend) ServeFile(key string, w http.ResponseWriter, r *http.Request) {
|
|
filePath := path.Join(b.basePath, key)
|
|
http.ServeFile(w, r, filePath)
|
|
}
|
|
|
|
func (b LocalfsBackend) Size(key string) (int64, error) {
|
|
fileInfo, err := os.Stat(path.Join(b.basePath, key))
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return fileInfo.Size(), nil
|
|
}
|
|
|
|
func NewLocalfsBackend(basePath string) LocalfsBackend {
|
|
return LocalfsBackend{basePath: basePath}
|
|
}
|