Proxy package

packages/proxy/src/cli.ts

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+#!/usr/bin/env node
+import { spawn } from "node:child_process";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const port = process.argv[2] || "3001";
+
+// Run the CORS proxy
+const child = spawn("node", [path.join(__dirname, "cors-proxy.js"), port], {
+	stdio: "inherit",
+});
+
+child.on("exit", (code) => {
+	process.exit(code || 0);
+});

packages/proxy/src/cors-proxy.ts

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+#!/usr/bin/env node
+import { serve } from "@hono/node-server";
+import { Hono } from "hono";
+import { cors } from "hono/cors";
+
+export function createCorsProxy() {
+	const app = new Hono();
+
+	// Enable CORS for all origins
+	app.use("*", cors());
+
+	// Proxy all requests
+	app.all("*", async (c) => {
+		const url = new URL(c.req.url);
+		const targetUrl = url.searchParams.get("url");
+
+		if (!targetUrl) {
+			return c.json({ error: "Missing 'url' query parameter" }, 400);
+		}
+
+		try {
+			// Forward the request
+			const headers = new Headers();
+			c.req.raw.headers.forEach((value, key) => {
+				// Skip host and origin headers
+				if (key.toLowerCase() !== "host" && key.toLowerCase() !== "origin") {
+					headers.set(key, value);
+				}
+			});
+
+			const response = await fetch(targetUrl, {
+				method: c.req.method,
+				headers,
+				body: c.req.method !== "GET" && c.req.method !== "HEAD" ? await c.req.raw.clone().arrayBuffer() : undefined,
+			});
+
+			// Forward response headers
+			const responseHeaders = new Headers();
+			response.headers.forEach((value, key) => {
+				// Skip CORS headers (we handle them)
+				if (!key.toLowerCase().startsWith("access-control-")) {
+					responseHeaders.set(key, value);
+				}
+			});
+
+			// Return proxied response
+			return new Response(response.body, {
+				status: response.status,
+				statusText: response.statusText,
+				headers: responseHeaders,
+			});
+		} catch (error) {
+			console.error("Proxy error:", error);
+			return c.json({ error: error instanceof Error ? error.message : "Proxy request failed" }, 502);
+		}
+	});
+
+	return app;
+}
+
+// CLI entry point
+if (import.meta.url === `file://${process.argv[1]}`) {
+	const app = createCorsProxy();
+	const port = Number.parseInt(process.argv[2] || "3001", 10);
+
+	console.log(`🔌 CORS proxy running on http://localhost:${port}`);
+	console.log(`Usage: http://localhost:${port}?url=<target-url>`);
+
+	serve({
+		fetch: app.fetch,
+		port,
+	});
+}

packages/proxy/src/index.ts

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+export { createCorsProxy } from "./cors-proxy.js";