Lukas Cremer
66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
import http from 'http';
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import https from 'https';
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import fs from 'fs';
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import path from 'path';
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import { fileURLToPath } from 'url';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const PORT = 3000;
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const MIME = {
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'.html': 'text/html',
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'.js': 'application/javascript',
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'.css': 'text/css',
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'.json': 'application/json',
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};
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function proxyOnvista(req, res) {
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const url = new URL(req.url, `http://localhost:${PORT}`);
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// Forward all query params as-is to onvista
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const upstream = `https://api.onvista.de/api/v1/bonds/finder/configuration_query?${url.searchParams.toString()}`;
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const options = {
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headers: {
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'User-Agent': 'Mozilla/5.0',
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'Accept': 'application/json',
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}
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};
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https.get(upstream, options, upRes => {
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let body = '';
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upRes.on('data', chunk => body += chunk);
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upRes.on('end', () => {
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res.writeHead(upRes.statusCode, {
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'Content-Type': 'application/json',
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'Access-Control-Allow-Origin': '*',
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});
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res.end(body);
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});
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}).on('error', err => {
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res.writeHead(502, { 'Content-Type': 'application/json' });
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res.end(JSON.stringify({ error: err.message }));
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});
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}
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function serveStatic(req, res) {
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const filePath = path.join(__dirname, 'static', req.url === '/' ? 'index.html' : req.url);
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const ext = path.extname(filePath);
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fs.readFile(filePath, (err, data) => {
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if (err) { res.writeHead(404); res.end('Not found'); return; }
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res.writeHead(200, { 'Content-Type': MIME[ext] || 'text/plain' });
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res.end(data);
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});
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}
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const server = http.createServer((req, res) => {
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if (req.url.startsWith('/api/bonds')) {
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proxyOnvista(req, res);
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} else {
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serveStatic(req, res);
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}
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});
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server.listen(PORT, () => console.log(`Bond Sniffer running at http://localhost:${PORT}`));
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