feat: expose server through secured tunnel

package.json

@@ -23,6 +23,7 @@
     "author": "JacobLinCool <jacoblincool@gmail.com> (https://github.com/JacobLinCool)",
     "license": "MIT",
     "dependencies": {
+        "cloudflared": "^0.1.1",
         "commander": "^9.3.0",
         "js-yaml": "^4.1.0",
         "pidusage": "^3.0.0",

src/commands/run/index.ts

@@ -2,6 +2,7 @@ import path from "node:path";
 import fs from "node:fs";
 import yaml from "js-yaml";
 import { OptionValues, Command } from "commander";
+import { tunnel } from "cloudflared";
 import { Config } from "../../types";
 import { server } from "../../server";
 import { compile } from "../../compile";
@@ -46,7 +47,33 @@ export default async function run(opts: OptionValues, cmd: Command) {
 
     console.log({ dirs });
 
-    const result = await server(config);
+    const port = opts.port || 52022;
+
+    const result = server(config, { port });
+
+    let server_tunnel: ReturnType<typeof tunnel> | undefined;
+    if (opts.expose) {
+        server_tunnel = tunnel({ url: `http://localhost:${port}` });
+        const url = await server_tunnel.url;
+        console.log(`Establishing Secure Tunnel ...`);
+        const connections = await Promise.all(server_tunnel.connections);
+        console.log(`Secure Tunnel Established.`);
+        console.log(`  URL: ${url}`);
+        console.log(`  Connections:`);
+        for (const connection of connections) {
+            console.log(
+                `    [${connection.location}] ${connection.ip.padEnd(15)} - ${connection.id}`,
+            );
+        }
+        console.log("---");
+        console.log(
+            `\x1b[95mFor spectators around the world: https://game.ncaic.cc/?url=${url.replace(
+                "https",
+                "wss",
+            )}\x1b[m`,
+        );
+        console.log("---");
+    }
 
     const [team_a, team_b] = Object.keys(config.teams);
     const output = await Template(opts.output, { team_a, team_b, time });
@@ -55,11 +82,15 @@ export default async function run(opts: OptionValues, cmd: Command) {
         fs.mkdirSync(path.dirname(output), { recursive: true });
     }
 
-    fs.writeFileSync(output, JSON.stringify(result));
+    fs.writeFileSync(output, JSON.stringify(await result));
 
     for (const dir of dirs) {
         fs.rmSync(dir, { recursive: true });
     }
 
+    if (server_tunnel) {
+        server_tunnel.stop();
+    }
+
     process.exit(0);
 }

src/index.ts

@@ -50,6 +50,8 @@ program
     .command("run")
     .description("run a competition")
     .option("-c, --config <path>", "path to the config file", "config.yml")
+    .option("-p, --port <port>", "port to run the server on", parseInt, 52022)
+    .option("-e, --expose [token]", "expose a wss tunnel", "")
     .option(
         "-o, --output <path>",
         "path to the output file",