Fix filestorage (#50)

pkg/storage/filestorage.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"io/fs"
 	"os"
+	"path"
 	"path/filepath"
 
 	"github.com/yezzey-gp/yproxy/config"
@@ -18,7 +19,7 @@ type FileStorageInteractor struct {
 }
 
 func (s *FileStorageInteractor) CatFileFromStorage(name string, offset int64) (io.ReadCloser, error) {
-	file, err := os.Open(s.cnf.StoragePrefix + name)
+	file, err := os.Open(path.Join(s.cnf.StoragePrefix, name))
 	if err != nil {
 		return nil, err
 	}
@@ -49,7 +50,7 @@ func (s *FileStorageInteractor) ListPath(prefix string) ([]*ObjectInfo, error) {
 }
 
 func (s *FileStorageInteractor) PutFileToDest(name string, r io.Reader) error {
-	file, err := os.Create(s.cnf.StoragePrefix + name)
+	file, err := os.Create(path.Join(s.cnf.StoragePrefix, name))
 	if err != nil {
 		return err
 	}
@@ -63,9 +64,9 @@ func (s *FileStorageInteractor) PatchFile(name string, r io.ReadSeeker, startOff
 }
 
 func (s *FileStorageInteractor) MoveObject(from string, to string) error {
-	return os.Rename(s.cnf.StoragePrefix+from, s.cnf.StoragePrefix+to)
+	return os.Rename(path.Join(s.cnf.StoragePrefix, from), path.Join(s.cnf.StoragePrefix, to))
 }
 
 func (s *FileStorageInteractor) DeleteObject(key string) error {
-	return os.Remove(s.cnf.StoragePrefix + key)
+	return os.Remove(path.Join(s.cnf.StoragePrefix, key))
 }