#!/usr/bin/env node

/**

* HTTPS to HTTP Bridge Proxy

* Bridges https://localhost:3001 -> http://<HOST_IP>:3001

* Solves cross-origin security issues for local development

*/

const https = require('https');

const http = require('http');

const fs = require('fs');

const path = require('path');

const HOST_IP = process.env.HOST_IP || '192.168.0.51';

const HTTPS_PORT = parseInt(process.env.HTTPS_PORT || '3001', 10);

const TARGET_PORT = parseInt(process.env.TARGET_PORT || '3001', 10);

const certDir = process.env.CERT_DIR || __dirname;

const keyPath = path.join(certDir, 'server.key');

const certPath = path.join(certDir, 'server.crt');

if (!fs.existsSync(keyPath) || !fs.existsSync(certPath)) {

console.error('Certificate files not found. Run:');

console.error(` openssl req -x509 -nodes -days 365 -newkey rsa:2048 \\`);

console.error(` -keyout ${keyPath} -out ${certPath} -subj "/CN=localhost"`);

process.exit(1);

}

const options = {

key: fs.readFileSync(keyPath),

cert: fs.readFileSync(certPath)

};

const server = https.createServer(options, (req, res) => {

const proxyOptions = {

hostname: HOST_IP,

port: TARGET_PORT,

path: req.url,

method: req.method,

headers: {

...req.headers,

host: `${HOST_IP}:${TARGET_PORT}`

}

};

const proxyReq = http.request(proxyOptions, (proxyRes) => {

// Add CORS headers for browser compatibility

res.setHeader('Access-Control-Allow-Origin', '*');

res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');

res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');

res.writeHead(proxyRes.statusCode, proxyRes.headers);

proxyRes.pipe(res);

});

proxyReq.on('error', (err) => {

console.error(`Proxy error: ${err.message}`);

res.writeHead(502, { 'Content-Type': 'text/plain' });

res.end(`Bad Gateway: ${err.message}`);

});

req.pipe(proxyReq);

});

server.listen(HTTPS_PORT, '0.0.0.0', () => {

console.log(`HTTPS Bridge running: https://localhost:${HTTPS_PORT} -> http://${HOST_IP}:${TARGET_PORT}`);

});