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Nukumizu Backend

Remote server monitoring and command execution subsystem for Komari.

Overview

Nukumizu connects to a Komari Dashboard instance to:

• Monitor server status in real-time via WebSocket
• Execute commands on remote servers via the Komari task API
• Provide Bot interfaces on QQ (via NapCat) and Telegram for interactive server control
• Send one-way status notifications via Email, Ntfy, and Webhook

Project Structure

nukumizu-backend/
├── main.go                  # Entry point, startup sequence, graceful shutdown
├── router.go                # HTTP route registration
├── config/
│   └── config.go            # Configuration loading, defaults
├── handler/
│   ├── user.go              # User login/register handlers
│   ├── server.go            # Server list/status/exec handlers
│   ├── bot.go               # Bot message receive handler
│   └── health.go            # Health check endpoint
├── database/
│   └── user.go              # SQLite user database
├── utils/
│   ├── auth.go              # Token management, authentication
│   └── middleware.go        # Rate limit, CORS, XSS protection
├── postLog/                 # Logging subsystem
├── internal/
│   ├── komari/
│   │   ├── client.go        # Komari HTTP API client
│   │   └── ws.go            # Komari WebSocket client
│   ├── node/
│   │   └── tracker.go       # Thread-safe node state tracking
│   ├── controller/
│   │   ├── controller.go    # Controller interface & manager
│   │   ├── qq.go            # QQ (Napcat) Bot controller
│   │   ├── telegram.go      # Telegram Bot controller
│   │   ├── email.go         # Email notification controller
│   │   ├── ntfy.go          # Ntfy notification controller
│   │   └── webhook.go       # Webhook notification controller
│   └── template/
│       └── template.go      # Message template engine

Configuration

Copy and modify config.json at the project root:

{
    "system": {
        "debugMode": true,
        "listenAddr": "0.0.0.0",
        "listenPort": "8080"
    },
    "komari": {
        "dashboardURL": "http://127.0.0.1:25774",
        "account": {
            "username": "admin",
            "password": "admin"
        }
    },
    "controllerMethod": {
        "qq(napcat)": {
            "enabled": false,
            "url": "http://127.0.0.1:8081",
            "token": "",
            "botQQID": 0,
            "listenMethod": "global",
            "admins": [],
            "trustedGroups": []
        },
        "telegram": {
            "enabled": false,
            "botToken": "",
            "listenMethod": "global",
            "admins": [],
            "trustedGroups": []
        },
        "email": {
            "enabled": false,
            "smtpHost": "",
            "smtpPort": 587,
            "username": "",
            "password": "",
            "from": "",
            "to": [],
            "useTLS": true
        },
        "ntfy": {
            "enabled": false,
            "server": "https://ntfy.sh",
            "topic": "",
            "token": "",
            "priority": "default"
        },
        "webhook": {
            "enabled": false,
            "url": "",
            "method": "POST",
            "headers": {},
            "template": ""
        }
    },
    "controllerMessage": {
        "SERVER_STATUS_CHANGED": "Server Status Changed Alert\n{{ serverName }} - {{ upStatus }}\nEvent: {{ event }}\nServer Name: {{ serverName }}\nMessage: {{ message }}\nTime: {{ time }}",
        "SERVER_LIST": "All server list:\nOnline:\n{{ list.onlineServers }}\nOffline:\n{{ list.offlineServers }}",
        "SERVER_EXECUTE_RESULT": "Command execute result:\nServer Name: {{ serverName }}\nCommand: {{ command }}\n***Result***\n\n{{ result }}\n\n************\nTime: {{ time }}"
    }
}

API Endpoints

All API responses follow the format: {"success": bool, "message": "..."}

Authentication is via X-Token and X-Timestamp HTTP headers.

Endpoint	Method	Auth	Description
/api/user/login	POST	None	User login
/api/user/register	POST	None	First-time registration
/api/server/list	GET	bot/admin	List all servers
/api/server/getStatus	GET	bot/admin	Get server recent status
/api/server/exec	POST	bot/admin	Execute command on server(s)
/api/bot/msg/recv	POST	bot	Receive bot messages (from napcat-bridge)
/health	GET	None	Health check
/api/system/getLogs	WS	None	Real-time log streaming

Bot Commands

Command	Permission	Description
/list	None	List all server status
/shutdown <uuid>	Admin	Shutdown specific server
/reboot <uuid>	Admin	Reboot specific server
/status <uuid>	None	Get server detailed status
/run <uuid|all> <command>	Admin	Run command on server(s)

Building

go build -o nukumizu-backend .

Running

./nukumizu-backend -config config.json

License

See LICENSE.

nukumizu-backend

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