fix: discord RPC on Linux, creating symlink between Discord and Freedom Loader at start if needed

app/discordRPC.js

@@ -1,6 +1,8 @@
 const config = require('../config');
 const RPC = require("discord-rpc");
 const { logger } = require("../server/logger");
+const fs = require("fs");
+const path = require("path");
 
 /**
  * Discord Application Client ID used to authenticate the RPC connection.
@@ -20,6 +22,51 @@ const rpc = new RPC.Client({ transport: "ipc" });
  */
 let intervalId;
 
+/**
+ * Automagically fixes Discord RPC on Linux for Sandboxed versions (Flatpak & Snap).
+ * It creates a symlink from the sandbox IPC socket to the standard system location.
+ *
+ * @returns {void}
+ */
+function fixLinuxDiscordRPC() {
+  // Only execute on Linux
+  if (process.platform !== "linux") return;
+
+  /**
+   * Get the user's runtime directory (e.g., /run/user/1000).
+   * @type {string}
+   */
+  const xdgDir = process.env.XDG_RUNTIME_DIR || `/run/user/${process.getuid()}`;
+  const standardSocket = path.join(xdgDir, "discord-ipc-0");
+
+  // If the standard socket already exists (Native Discord), do nothing.
+  if (fs.existsSync(standardSocket)) return;
+
+  /**
+   * Paths for known sandboxed Discord IPC sockets.
+   */
+  const flatpakSocket = path.join(xdgDir, "app/com.discordapp.Discord/discord-ipc-0");
+  const snapSocket = path.join(xdgDir, "snap.discord/discord-ipc-0");
+
+  let targetSocket = null;
+
+  if (fs.existsSync(flatpakSocket)) {
+    targetSocket = flatpakSocket;
+  } else if (fs.existsSync(snapSocket)) {
+    targetSocket = snapSocket;
+  }
+
+  // If a sandboxed socket is found, create the symlink stealthily.
+  if (targetSocket) {
+    try {
+      fs.symlinkSync(targetSocket, standardSocket);
+      logger.info(`Discord RPC bridge created automatically targeting: ${targetSocket}`);
+    } catch (err) {
+      logger.warn(`Failed to create Discord RPC bridge: ${err.message}`);
+    }
+  }
+}
+
 /**
  * Initializes Discord Rich Presence (RPC) connection.
  *
@@ -32,6 +79,11 @@ let intervalId;
  */
 function startRPC() {
 
+  /**
+   * Patch that create Simlinks for Linux environment;
+   */
+  fixLinuxDiscordRPC();
+
   /**
    * Rich Presence payload describing current application state
    * shown in Discord user profile.
@@ -60,28 +112,30 @@ function startRPC() {
  *
  * Responsibilities:
  * - Clear any running intervals
- * - Remove current activity from Discord
+ * - Remove current activity from Discord if connected
  * - Destroy RPC transport connection
  * - Handle cleanup errors safely
  */
-async function stopRPC(){
+async function stopRPC() {
+  if (rpc) {
     try {
       if (intervalId) clearInterval(intervalId);
 
       /**
-       * Ensures RPC connection exists before attempting cleanup.
+       * Ensures RPC connection AND the underlying socket exist
+       * before attempting to clear activity to prevent crash.
        */
-      if (rpc && rpc.transport) {
-        await rpc.clearActivity()
-        await rpc.destroy();
-      } else{
-        logger.error("Not Able to close RPC")
+      if (rpc.transport && rpc.transport.socket) {
+        await rpc.clearActivity();
       }
 
+      await rpc.destroy();
+
     } catch (err) {
       logger.error("Error while closing the RPC:", err);
     }
   }
+}
 
 
 module.exports = { startRPC, stopRPC};