ask for password if necessary

README.md

@@ -59,6 +59,8 @@ go build
 
 ## Release History
 
+* 0.2.3
+    * ask for the password if no one is in the database and no corresponding argument is giving
 * 0.2.2
     * Fix nil pointer error if there is a glacier job of type != "ArchiveRetrieval" 
     * Fix nil pointer error if upload failed

backup/manager.go

@@ -31,7 +31,7 @@ type BackupCreater interface {
 type BackupGetter interface {
 	io.Closer
 
-	Download(backupId uint, target string) error
+	Download(backupId uint, target string, fallbackPassword func() string) error
 }
 
 type BackupDeleter interface {
@@ -42,7 +42,7 @@ type BackupManager interface {
 	io.Closer
 
 	Create(files []string, blacklist []*regexp.Regexp, description, vaultName string) *BackupResult
-	Download(backupId uint, target string) error
+	Download(backupId uint, target string, fallbackPassword func() string) error
 	Delete(backupId uint) error
 }
 
@@ -208,21 +208,20 @@ func (b *backupManager) updateBackup(result *BackupResult, dbBackupEntity *model
 	b.dbRepository.UpdateBackup(dbBackupEntity)
 }
 
-func (b *backupManager) Download(backupId uint, target string) error {
+func (b *backupManager) Download(backupId uint, target string, fallbackPassword func() string) error {
 	fTarget, err := os.Create(target)
 	if err != nil {
 		return errors.Wrap(err, "Could not create target file")
 	}
 	defer fTarget.Close()
 
-	if err != nil {
-		return errors.Wrap(err, "Error while initialise download")
-	}
-
 	toDownload := b.dbRepository.GetBackupById(backupId)
 	if b.password != nil {
 		toDownload.Password = *b.password
 	}
+	if toDownload.Password == "" {
+		toDownload.Password = fallbackPassword()
+	}
 
 	// glacier -> decrypt -> save as zip
 	srcCrypt, dstCrypt := io.Pipe()

cli/action_get.go

@@ -32,7 +32,7 @@ func (a *actionGet) Do(cfg *config.Config) {
 	defer repo.Close()
 
 	if e := repo.GetBackupById(cfg.Get.BackupId); e.ID == cfg.Get.BackupId {
-		err := b.Download(cfg.Get.BackupId, cfg.Get.File)
+		err := b.Download(cfg.Get.BackupId, cfg.Get.File, askForPassword)
 		if err != nil {
 			LogError("Could not download backup. Error: %v", err)
 		} else {