personal garden & website
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const express = require('express');
const path = require('path');
const fs = require('fs');
const bodyParser = require('body-parser');
const crypto = require('crypto');
const { exec } = require('child_process');
require('dotenv').config();
const app = express();
const PORT = process.env.PORT || 3000;
const GITEA_SECRET = process.env.GITEA_SECRET;
const counterFilePath = path.join(__dirname, 'public/json/counter.json');
function readCounter() {
const data = fs.readFileSync(counterFilePath);
return JSON.parse(data).count;
}
function writeCounter(count) {
const data = JSON.stringify({ count: count }, null, 2);
fs.writeFileSync(counterFilePath, data);
}
function IncrementCounter() {
let count = readCounter();
count++;
writeCounter(count);
console.log(count);
}
// Middleware to capture raw body
app.use(bodyParser.json({
verify: (req, res, buf, encoding) => {
req.rawBody = buf.toString(encoding || 'utf8');
}
}));
// Custom middleware to handle URLs without .html for specific routes
app.use((req, res, next) => {
const urlPath = req.path.split('?')[0];
const htmlRoutes = ['/about', '/list', '/gallery'];
if (htmlRoutes.includes(urlPath)) {
req.url += '.html';
}
next();
});
// Route to serve the index.html file
app.get('/', (req, res) => {
IncrementCounter()
res.sendFile(path.join(__dirname, 'public', 'about.html'));
});
// Routes to serve the HTML files without .html extension
app.get('/about.html', (req, res) => {
IncrementCounter();
res.sendFile(path.join(__dirname, 'public', 'about.html'));
});
app.get('/list.html', (req, res) => {
IncrementCounter();
res.sendFile(path.join(__dirname, 'public', 'list.html'));
});
app.get('/gallery.html', (req, res) => {
IncrementCounter();
res.sendFile(path.join(__dirname, 'public', 'gallery.html'));
});
// Serve articles without .html extension
app.get('/articles/:articleName', (req, res) => {
const articleName = req.params.articleName;
IncrementCounter();
res.sendFile(path.join(__dirname, 'public/articles', `${articleName}.html`));
});
// Webhook handler
app.post('/api', (req, res) => {
const signature = req.headers['x-gitea-signature'];
const payload = req.rawBody;
if (!signature || !payload) {
return res.status(400).send('Invalid payload or missing signature');
}
// Verify the secret
const hmac = crypto.createHmac('sha256', GITEA_SECRET);
const digest = hmac.update(payload).digest('hex');
const bufferSignature = Buffer.from(signature, 'hex');
const bufferDigest = Buffer.from(digest, 'hex');
console.log(bufferSignature.length, bufferDigest.length);
if (bufferSignature.length === bufferDigest.length && crypto.timingSafeEqual(bufferSignature, bufferDigest)) {
// Secret is valid, update the repository
res.status(200).send('Repository updated successfully');
// Optionally, execute a shell command to pull the latest changes
exec('git pull', (error, stdout, stderr) => {
if (error) {
console.error(`exec error: ${error}`);
return;
}
console.log(`stdout: ${stdout}`);
console.error(`stderr: ${stderr}`);
});
} else {
res.status(401).send('Invalid secret');
}
});
// Error handling
app.use((err, req, res, next) => {
console.error(err.stack);
res.status(500).send('Something broke!');
});
// Serve static files from the 'public' directory
app.use(express.static(path.join(__dirname, 'public')));
// Start the server
app.listen(PORT, (err) => {
if (err) {
console.error('Error starting the server:', err);
process.exit(1);
}
console.log(`Server is running on http://localhost:${PORT}`);
});