Initial PoC for browser <-> desktop communication

proxy/ipc.ts

@@ -0,0 +1,61 @@
+/* tslint:disable:no-console */
+import * as ipc from 'node-ipc';
+import { spawn } from 'child_process';
+
+const StartDesktopCooldown = 60 * 1000; // 1 minute delay between attempts to start desktop
+
+ipc.config.id = 'proxy';
+ipc.config.retry = 1500;
+ipc.config.logger = console.warn; // Stdout is used for native messaging
+
+export default class IPC {
+    private connected = false;
+    private lastStartedDesktop = 0;
+
+    connect() {
+        ipc.connectTo('bitwarden', () => {
+            ipc.of.bitwarden.on('connect', () => {
+                this.connected = true;
+                console.error(
+                    '## connected to bitwarden desktop ##',
+                    ipc.config.delay
+                );
+                ipc.of.bitwarden.emit('message', 'hello');
+            });
+
+            ipc.of.bitwarden.on('disconnect', () => {
+                this.connected = false;
+                console.error('disconnected from world');
+            });
+
+            ipc.of.bitwarden.on('message', (data: any) => {
+                console.error('got a message from world : ', data);
+            });
+
+            ipc.of.bitwarden.on('error', (err: any) => {
+                if (err.syscall === 'connect' && this.lastStartedDesktop + StartDesktopCooldown < Date.now()) {
+                    this.lastStartedDesktop = Date.now();
+                    console.error('Attempting to start Bitwarden desktop application');
+                    this.startDesktop();
+                }
+                console.error('error', err);
+            });
+        });
+    }
+
+    isConnected() {
+        return this.connected;
+    }
+
+    send(json: object) {
+        ipc.of.bitwarden.emit('message', json);
+    }
+
+    // TODO: Do we want to start the desktop application? How do we get the install path?
+    private startDesktop() {
+        spawn(
+            'C:\\Users\\Oscar\\Documents\\Projects\\Bitwarden\\desktop\\dist\\Bitwarden-Portable-1.22.2.exe',
+            { detached: true }
+        );
+    }
+}