Jan Novak
afd29c0a23
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62 lines
2.0 KiB
TypeScript
62 lines
2.0 KiB
TypeScript
import express from 'express';
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import path from 'path';
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import { fileURLToPath } from 'url';
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import fs from 'fs';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const app = express();
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const PORT = process.env.PORT || 3000;
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// Log all incoming request methods, URLs, and headers
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app.use((req, res, next) => {
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console.log(`[Express Request] ${req.method} ${req.url}`);
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console.log('Headers:', JSON.stringify(req.headers, null, 2));
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next();
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});
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// Middleware to strip base path prefix from request headers if present
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app.use((req, res, next) => {
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const prefix = (req.headers['x-forwarded-prefix'] as string) || (req.headers['x-base-path'] as string) || '';
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const cleanPrefix = prefix.endsWith('/') ? prefix.slice(0, -1) : prefix;
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if (cleanPrefix && req.url.startsWith(cleanPrefix)) {
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req.url = req.url.substring(cleanPrefix.length);
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if (!req.url.startsWith('/')) {
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req.url = '/' + req.url;
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}
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}
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next();
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});
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// Serve static files from the 'dist' directory
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app.use(express.static(path.join(__dirname, 'dist')));
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// Fallback to index.html for Single Page Application routing, injecting base path from headers
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app.get('*', (req, res) => {
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const indexPath = path.join(__dirname, 'dist', 'index.html');
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fs.readFile(indexPath, 'utf8', (err, html) => {
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if (err) {
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return res.status(500).send('Error reading index.html');
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}
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const prefix = (req.headers['x-forwarded-prefix'] as string) || (req.headers['x-base-path'] as string) || '';
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const cleanPrefix = prefix.endsWith('/') ? prefix.slice(0, -1) : prefix;
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// Dynamically prefix asset URLs in index.html with the base path
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let modifiedHtml = html;
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if (cleanPrefix) {
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modifiedHtml = html
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.replace(/(href|src)="\/assets\//g, `$1="${cleanPrefix}/assets/`)
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.replace(/(href|src)="\/vite.svg"/g, `$1="${cleanPrefix}/vite.svg"`);
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}
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res.send(modifiedHtml);
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});
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});
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app.listen(PORT, () => {
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console.log(`Server is running on port ${PORT}`);
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});
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