init commit for Forge branch

src/render/preload.js

@@ -0,0 +1,53 @@
+const { contextBridge, ipcRenderer } = require("electron");
+
+/** The main <-> render interface */
+
+const validFromMainChannels = [
+    "playback",
+    "account", 
+    "message",
+    "record",
+    "ws"
+];
+
+const validToMain = [
+    "messenger",
+    "message",
+    "logout",
+    "encode",
+    "auth",
+    "nav"
+]
+
+ipcRenderer.setMaxListeners(250);
+
+// Expose protected methods that allow the renderer process to use
+// the ipcRenderer without exposing the entire object
+// TODO: Implement argument filtering for added security
+contextBridge.exposeInMainWorld(
+    "mainApi", {        
+        invoke: async (channel, ...args) => {
+            if (validToMain.includes(channel)) {
+                try {
+                    const res = await ipcRenderer.invoke(channel, ...args);
+                    return res;
+                } catch (e) {
+                    console.log("IPCRenderer.invoke error");
+                }
+            }
+        },
+        send: (channel, ...args) => {
+            if (validToMain.includes(channel)) {
+                ipcRenderer.send(channel, ...args);
+            }
+        },
+        on: (channel, func) => {
+            if (validFromMainChannels.includes(channel)) {
+                ipcRenderer.on(channel, (event, ...args) => func(...args));
+            }
+        },
+        removeAllListeners: (channel) => {
+            ipcRenderer.removeAllListeners(channel);
+        }
+    }
+);