feat: Add check for real ip

src/index.ts

@@ -1,5 +1,6 @@
 import { Hono } from "hono";
 import { portRoute } from "./routes/port";
+import realIP from "./middlewares/real-ip";
 
 const app = new Hono();
 
@@ -8,4 +9,4 @@ app.route("/", portRoute);
 Bun.serve({
 	...app,
 	idleTimeout: 90,
-})
+});

src/middlewares/real-ip.ts

@@ -0,0 +1,22 @@
+import { getConnInfo } from "hono/bun";
+import { createMiddleware } from "hono/factory";
+
+const realIP = createMiddleware<{
+	Variables: {
+		ip: string;
+	};
+}>(async (context, next) => {
+	const ip =
+		context.req.header("x-forwarded-for") ||
+		getConnInfo(context).remote.address;
+
+	if (!ip) {
+		return context.json({ error: "Your IP could not be found" }, 401);
+	}
+
+	context.set("ip", ip);
+
+	await next();
+});
+
+export default realIP;

src/routes/port.ts

@@ -3,6 +3,7 @@ import { getConnInfo } from "hono/bun";
 import connectToAddress from "../utils/connect-to-address";
 import { z } from "zod";
 import * as IP from "ip";
+import realIP from "../middlewares/real-ip";
 
 export const portRoute = new Hono();
 
@@ -33,15 +34,12 @@ const schema = z.object({
 		.pipe(z.number().min(100).max(60_000)),
 });
 
-portRoute.get("/:port", async context => {
+portRoute.get("/:port", realIP, async context => {
-	const info = getConnInfo(context);
 	const rawData = {
-		ip: info.remote.address || "",
+		ip: context.get("ip"),
 		port: context.req.param("port"),
 		timeout: context.req.query("timeout") || context.req.query("t") || "",
 	};
-	console.log(info.remote.address);
-	console.log(context.req.header());
 	const parsedData = schema.safeParse(rawData);
 
 	if (!parsedData.success) {