├── .gitignore
├── .env.sample
├── package.json
└── src
    └── index.js


/.gitignore:
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1 | .env
2 | node_modules


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/.env.sample:
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1 | PORT=8000
2 | SECURITY_KEY=your_security_key_here


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/package.json:
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 1 | {
 2 |   "name": "control_host_api",
 3 |   "version": "1.0.0",
 4 |   "main": "index.js",
 5 |   "scripts": {
 6 |     "start": "node src/index.js"
 7 |   },
 8 |   "keywords": [],
 9 |   "author": "",
10 |   "license": "ISC",
11 |   "description": "",
12 |   "dependencies": {
13 |     "cors": "^2.8.5",
14 |     "dotenv": "^17.2.2",
15 |     "express": "^5.1.0"
16 |   }
17 | }
18 | 


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/src/index.js:
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  1 | require('dotenv').config();
  2 | const express = require('express');
  3 | const { exec } = require('child_process');
  4 | const cors = require('cors');
  5 | 
  6 | const app = express();
  7 | // const PORT = 3000;
  8 | const PORT = process.env.PORT || 8000;
  9 | 
 10 | // Security key - should be changed to a strong key in production and obtained via environment variables
 11 | const SECURITY_KEY = process.env.SECURITY_KEY || 'your_secure_key';
 12 | 
 13 | // Middleware
 14 | app.use(cors());
 15 | app.use(express.json());
 16 | 
 17 | // Validation middleware
 18 | const validateRequest = (req, res, next) => {
 19 |     const { key } = req.body;
 20 |     
 21 |     if (!key || key !== SECURITY_KEY) {
 22 |         return res.status(403).json({ 
 23 |             success: false, 
 24 |             message: 'Unauthorized access: Invalid security key' 
 25 |         });
 26 |     }
 27 |     
 28 |     next();
 29 | };
 30 | 
 31 | // Shutdown API endpoint
 32 | app.post('/shutdown', validateRequest, (req, res) => {
 33 |     // Log the request
 34 |     console.log(`Received shutdown request from ${req.ip} at ${new Date().toISOString()}`);
 35 |     
 36 |     // Execute Ubuntu shutdown command
 37 |     // -h now means shutdown immediately
 38 |     exec('sudo shutdown -h now', (error, stdout, stderr) => {
 39 |         if (error) {
 40 |             console.error(`Execution error: ${error.message}`);
 41 |             return res.status(500).json({ 
 42 |                 success: false, 
 43 |                 message: 'Failed to execute shutdown command',
 44 |                 error: error.message
 45 |             });
 46 |         }
 47 |         
 48 |         if (stderr) {
 49 |             console.error(`Command error output: ${stderr}`);
 50 |             return res.status(500).json({ 
 51 |                 success: false, 
 52 |                 message: 'Shutdown command returned an error',
 53 |                 error: stderr
 54 |             });
 55 |         }
 56 |         
 57 |         console.log(`Shutdown command executed: ${stdout}`);
 58 |         res.status(200).json({ 
 59 |             success: true, 
 60 |             message: 'Shutdown command received, system will shut down immediately' 
 61 |         });
 62 |     });
 63 | });
 64 | 
 65 | // Reboot API endpoint (additional feature)
 66 | app.post('/reboot', validateRequest, (req, res) => {
 67 |     console.log(`Received reboot request from ${req.ip} at ${new Date().toISOString()}`);
 68 |     
 69 |     exec('sudo reboot', (error, stdout, stderr) => {
 70 |         if (error) {
 71 |             console.error(`Execution error: ${error.message}`);
 72 |             return res.status(500).json({ 
 73 |                 success: false, 
 74 |                 message: 'Failed to execute reboot command',
 75 |                 error: error.message
 76 |             });
 77 |         }
 78 |         
 79 |         if (stderr) {
 80 |             console.error(`Command error output: ${stderr}`);
 81 |             return res.status(500).json({ 
 82 |                 success: false, 
 83 |                 message: 'Reboot command returned an error',
 84 |                 error: stderr
 85 |             });
 86 |         }
 87 |         
 88 |         console.log(`Reboot command executed: ${stdout}`);
 89 |         res.status(200).json({ 
 90 |             success: true, 
 91 |             message: 'Reboot command received, system will reboot immediately' 
 92 |         });
 93 |     });
 94 | });
 95 | 
 96 | // Health check endpoint
 97 | app.get('/health', (req, res) => {
 98 |     res.status(200).json({
 99 |         success: true,
100 |         message: 'Server is running normally',
101 |         timestamp: new Date().toISOString()
102 |     });
103 | });
104 | 
105 | // Start the server
106 | app.listen(PORT, () => {
107 |     console.log(`Shutdown control API server started, listening on port ${PORT}`);
108 |     console.log(`Please ensure sudo permissions are properly configured`);
109 | });
110 |     


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