feat: update proxy ui to accept credential outside url too

nodecar/src/proxy-worker.ts

@@ -1,5 +1,5 @@
 import { Server } from "proxy-chain";
-import { getProxyConfig } from "./proxy-storage";
+import { getProxyConfig, updateProxyConfig } from "./proxy-storage";
 
 /**
  * Run a proxy server as a worker process
@@ -8,44 +8,68 @@ import { getProxyConfig } from "./proxy-storage";
 export async function runProxyWorker(id: string): Promise<void> {
   // Get the proxy configuration
   const config = getProxyConfig(id);
-  
+
   if (!config) {
     console.error(`Proxy configuration ${id} not found`);
     process.exit(1);
   }
-  
+
   // Create a new proxy server
   const server = new Server({
     port: config.localPort,
-    host: "localhost",
+    host: "127.0.0.1",
     prepareRequestFunction: () => {
       return {
         upstreamProxyUrl: config.upstreamUrl,
-        ignoreUpstreamProxyCertificate: config.ignoreProxyCertificate || false,
+        ignoreUpstreamProxyCertificate: config.ignoreProxyCertificate ?? false,
       };
     },
   });
-  
-  // Handle process termination
-  process.on("SIGTERM", async () => {
-    console.log(`Proxy worker ${id} received SIGTERM, shutting down...`);
-    await server.close(true);
+
+  // Handle process termination gracefully
+  const gracefulShutdown = async (signal: string) => {
+    console.log(`Proxy worker ${id} received ${signal}, shutting down...`);
+    try {
+      await server.close(true);
+      console.log(`Proxy worker ${id} shut down successfully`);
+    } catch (error) {
+      console.error(`Error during shutdown for proxy ${id}:`, error);
+    }
     process.exit(0);
+  };
+
+  process.on("SIGTERM", () => void gracefulShutdown("SIGTERM"));
+  process.on("SIGINT", () => void gracefulShutdown("SIGINT"));
+
+  // Handle uncaught exceptions
+  process.on("uncaughtException", (error) => {
+    console.error(`Uncaught exception in proxy worker ${id}:`, error);
+    process.exit(1);
   });
-  
-  process.on("SIGINT", async () => {
-    console.log(`Proxy worker ${id} received SIGINT, shutting down...`);
-    await server.close(true);
-    process.exit(0);
+
+  process.on("unhandledRejection", (reason) => {
+    console.error(`Unhandled rejection in proxy worker ${id}:`, reason);
+    process.exit(1);
   });
-  
+
   // Start the server
   try {
     await server.listen();
+
+    // Update the config with the actual port (in case it was auto-assigned)
+    config.localPort = server.port;
+    config.localUrl = `http://127.0.0.1:${server.port}`;
+    updateProxyConfig(config);
+
     console.log(`Proxy worker ${id} started on port ${server.port}`);
     console.log(`Forwarding to upstream proxy: ${config.upstreamUrl}`);
+
+    // Keep the process alive
+    setInterval(() => {
+      // Do nothing, just keep the process alive
+    }, 60000);
   } catch (error) {
     console.error(`Failed to start proxy worker ${id}:`, error);
     process.exit(1);
   }
-}
+}