moving download url config from a key to the storage url pattern

src/duplicacy_b2client.go

@@ -329,6 +329,7 @@ func (client *B2Client) AuthorizeAccount(threadIndex int) (err error, allowed bo
 	if client.DownloadURL == "" {
 		client.DownloadURL = output.DownloadURL
 	}
+	LOG_INFO("BACKBLAZE_URL", "download URL is: %s", client.DownloadURL)
 	client.IsAuthorized = true
 
 	client.LastAuthorizationTime = time.Now().Unix()

src/duplicacy_storage.go

@@ -530,7 +530,24 @@ func CreateStorage(preference Preference, resetPassword bool, threads int) (stor
 
 		accountID := GetPassword(preference, "b2_id", "Enter Backblaze account or application id:", true, resetPassword)
 		applicationKey := GetPassword(preference, "b2_key", "Enter corresponding Backblaze application key:", true, resetPassword)
-		downloadURL := preference.Keys["b2_download_url"]
+
+		b2Storage, err := CreateB2Storage(accountID, applicationKey, "", bucket, storageDir, threads)
+		if err != nil {
+			LOG_ERROR("STORAGE_CREATE", "Failed to load the Backblaze B2 storage at %s: %v", storageURL, err)
+			return nil
+		}
+		SavePassword(preference, "b2_id", accountID)
+		SavePassword(preference, "b2_key", applicationKey)
+		return b2Storage
+	} else if matched[1] == "b2-custom" {
+		b2customUrlRegex := regexp.MustCompile(`^b2-custom://([^/]+)/([^/]+)(/(.+))?`)
+		matched := b2customUrlRegex.FindStringSubmatch(storageURL)
+		downloadURL := "https://" + matched[1]
+		bucket := matched[2]
+		storageDir := matched[4]
+
+		accountID := GetPassword(preference, "b2_id", "Enter Backblaze account or application id:", true, resetPassword)
+		applicationKey := GetPassword(preference, "b2_key", "Enter corresponding Backblaze application key:", true, resetPassword)
 
 		b2Storage, err := CreateB2Storage(accountID, applicationKey, downloadURL, bucket, storageDir, threads)
 		if err != nil {