PluralBackupJava

[2026-06-18] - Cloud Backup & Notification Extension

New Features

Cloud Backup

• Baidu Netdisk Backup
  • Upload backups via Baidu Netdisk Open Platform API (chunked upload: precreate → superfile2 → create)
  • Supports access_token auto-fetch and caching
  • Backup files stored at /apps/{app-folder}/ in Netdisk
  • Apply at: https://pan.baidu.com/union/console
• 123 Cloud Backup
  • Upload backups via 123 Cloud Open Platform API (create → get_upload_url → PUT → complete)
  • Supports instant upload detection and chunked upload
  • Supports async polling for upload results
  • Apply at: https://www.123pan.cn/developer

Alert Notifications

• Email Notification
  • Send alert emails via SMTP protocol (supports SSL/TLS)
  • Implemented with jakarta.mail
  • Compatible with QQ Mail and other major email services (requires authorization code)
• Lark Notification
  • Send alerts via Lark custom bot Webhook
  • Supports signature verification
• DingTalk Notification
  • Send alerts via DingTalk custom bot Webhook
  • Supports signature verification
• Notification triggers: backup execution exception, cloud upload failure, GitHub backup failure

Improvements

• Integrated cloud upload into main backup flow, auto-upload after backup completes
• Notification sending uses CompletableFuture.runAsync() for async execution, non-blocking backup flow
• Added notification section in config to manage all notification channels

Dependency Changes

• Added dependency: org.eclipse.angus:angus-mail:2.0.3 (email notification)
• Added shade relocation: jakarta.mail → cn.plural.backup.lib.mail, jakarta.activation → cn.plural.backup.lib.activation

Configuration Changes

• cloud.type new options: baidu, pan123
• Added cloud.baidu config section (app-id, app-secret, app-folder, access-token)
• Added cloud.pan123 config section (client-id, client-secret, access-token, parent-folder-id)
• Added notification config section (enabled, email, feishu, dingtalk)