storage

type Backend interface {
	// bucket operations
	CreateBucket(name string) error
	DeleteBucket(name string) error
	ListBuckets() ([]string, error)

	// object operations
	PutObject(bucket, key string, data io.Reader) error
	GetObject(bucket, key string) (io.ReadCloser, error)
	DeleteObject(bucket, key string) error
	ListObjects(bucket string) ([]string, error)
}

type DiskBackend struct {
	Root string
}