76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
import http from 'node:http';
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import fs from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const distDir = path.join(__dirname, 'dist');
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const port = Number(process.env.PORT || 3000);
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const host = process.env.HOST || '127.0.0.1';
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const mimeTypes = {
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'.html': 'text/html; charset=utf-8',
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'.js': 'application/javascript; charset=utf-8',
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'.mjs': 'application/javascript; charset=utf-8',
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'.css': 'text/css; charset=utf-8',
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'.svg': 'image/svg+xml',
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'.json': 'application/json; charset=utf-8',
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'.png': 'image/png',
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'.jpg': 'image/jpeg',
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'.jpeg': 'image/jpeg',
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'.webp': 'image/webp',
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'.ico': 'image/x-icon',
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'.woff': 'font/woff',
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'.woff2': 'font/woff2',
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'.pdf': 'application/pdf',
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};
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const sendFile = (res, filePath) => {
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fs.readFile(filePath, (error, content) => {
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if (error) {
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res.writeHead(404, { 'Content-Type': 'text/plain; charset=utf-8' });
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res.end('Not found');
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return;
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}
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const ext = path.extname(filePath).toLowerCase();
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res.writeHead(200, {
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'Content-Type': mimeTypes[ext] || 'application/octet-stream',
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'Cache-Control': ext === '.html' ? 'no-cache' : 'public, max-age=31536000, immutable',
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});
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res.end(content);
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});
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};
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const server = http.createServer((req, res) => {
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const urlPath = decodeURIComponent((req.url || '/').split('?')[0]);
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const safePath = path.normalize(urlPath).replace(/^(\.\.[/\\])+/, '');
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let filePath = path.join(distDir, safePath === '/' ? 'index.html' : safePath);
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if (!filePath.startsWith(distDir)) {
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res.writeHead(403, { 'Content-Type': 'text/plain; charset=utf-8' });
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res.end('Forbidden');
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return;
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}
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fs.stat(filePath, (err, stats) => {
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if (!err && stats.isDirectory()) {
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filePath = path.join(filePath, 'index.html');
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}
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fs.access(filePath, fs.constants.F_OK, (accessError) => {
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if (accessError) {
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sendFile(res, path.join(distDir, 'index.html'));
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return;
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}
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sendFile(res, filePath);
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});
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});
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});
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server.listen(port, host, () => {
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console.log(`LinkedSign frontend running on http://${host}:${port}`);
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});
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