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45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
const BOT_ORIGIN = 'http://127.0.0.1:3007';
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const WEB_ORIGIN = 'http://127.0.0.1:3008';
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function shouldRouteToBot(pathname: string): boolean {
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if (pathname === '/metrics' || pathname.startsWith('/metrics/')) return true;
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if (pathname === '/webhook' || pathname.startsWith('/webhook/')) return true;
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return false;
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}
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function buildForwardHeaders(req: Request): Headers {
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const headers = new Headers(req.headers);
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try {
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const proto = headers.get('x-forwarded-proto') || 'https';
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const fwdFor = headers.get('x-forwarded-for');
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headers.set('x-forwarded-proto', proto);
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headers.set('x-forwarded-for', fwdFor ? `${fwdFor}, 127.0.0.1` : '127.0.0.1');
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} catch {}
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return headers;
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}
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Bun.serve({
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port: Number(process.env.PORT || process.env.ROUTER_PORT || 3000),
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fetch: async (req) => {
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const url = new URL(req.url);
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const targetOrigin = shouldRouteToBot(url.pathname) ? BOT_ORIGIN : WEB_ORIGIN;
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const targetUrl = targetOrigin + url.pathname + url.search;
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const init: RequestInit = {
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method: req.method,
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headers: buildForwardHeaders(req),
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body: req.method === 'GET' || req.method === 'HEAD' ? undefined : req.body,
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redirect: 'manual',
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};
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try {
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const res = await fetch(targetUrl, init);
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// Devuelve la respuesta tal cual (incluye Set-Cookie, Location, etc.)
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return res;
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} catch (err) {
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const msg = err instanceof Error ? err.message : String(err);
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return new Response(`Proxy error: ${msg}\n`, { status: 502 });
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}
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},
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});
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