proper fix for disabling sandbox on steamos (#206)

Co-authored-by: Vendicated <vendicated@riseup.net>

package.json

@@ -68,6 +68,7 @@
             "package.json",
             "LICENSE"
         ],
+        "beforePack": "scripts/build/sandboxFix.js",
         "linux": {
             "icon": "build/icon.icns",
             "category": "Network",

scripts/build/sandboxFix.js

@@ -0,0 +1,74 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vesktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+// Based on https://github.com/gergof/electron-builder-sandbox-fix/blob/master/lib/index.js
+
+const fs = require("fs/promises");
+const path = require("path");
+let isApplied = false;
+
+const hook = async () => {
+    if (isApplied) return;
+    isApplied = true;
+    if (process.platform !== "linux") {
+        // this fix is only required on linux
+        return;
+    }
+    const AppImageTarget = require("app-builder-lib/out/targets/AppImageTarget");
+    const oldBuildMethod = AppImageTarget.default.prototype.build;
+    AppImageTarget.default.prototype.build = async function (...args) {
+        console.log("Running AppImage builder hook", args);
+        const oldPath = args[0];
+        const newPath = oldPath + "-appimage-sandbox-fix";
+        // just in case
+        try {
+            await fs.rm(newPath, {
+                recursive: true
+            });
+        } catch {}
+
+        console.log("Copying to apply appimage fix", oldPath, newPath);
+        await fs.cp(oldPath, newPath, {
+            recursive: true
+        });
+        args[0] = newPath;
+
+        const executable = path.join(newPath, this.packager.executableName);
+
+        const loaderScript = `
+#!/usr/bin/env bash
+
+SCRIPT_DIR="$( cd "$( dirname "\${BASH_SOURCE[0]}" )" && pwd )"
+IS_STEAMOS=0
+
+if [[ "$SteamOS" == "1" && "$SteamGamepadUI" == "1" ]]; then
+    echo "Running Vesktop on SteamOS, disabling sandbox"
+    IS_STEAMOS=1
+fi
+
+exec "$SCRIPT_DIR/${this.packager.executableName}.bin" "$([ "$IS_STEAMOS" == 1 ] && echo '--no-sandbox')" "$@"
+                `.trim();
+
+        try {
+            await fs.rename(executable, executable + ".bin");
+            await fs.writeFile(executable, loaderScript);
+            await fs.chmod(executable, 0o755);
+        } catch (e) {
+            console.error("failed to create loder for sandbox fix: " + e.message);
+            throw new Error("Failed to create loader for sandbox fix");
+        }
+
+        const ret = await oldBuildMethod.apply(this, args);
+
+        await fs.rm(newPath, {
+            recursive: true
+        });
+
+        return ret;
+    };
+};
+
+module.exports = hook;

src/main/utils/steamOS.ts

@@ -6,9 +6,9 @@
 
 import { exec as callbackExec } from "child_process";
 import { BrowserWindow, dialog } from "electron";
+import { sleep } from "shared/utils/sleep";
 import { promisify } from "util";
 
-import { sleep } from "../../shared/utils/sleep";
 import { MessageBoxChoice } from "../constants";
 import { Settings } from "../settings";
 
@@ -50,7 +50,7 @@ async function showLayout(appId: string) {
     await execSteamURL(`steam://controllerconfig/${appId}/${layoutId}`);
     // because the UI doesn't consistently reload after the data for the config has loaded...
     // HOW HAS NOBODY AT VALVE RUN INTO THIS YET
-    await sleep(300);
+    await sleep(100);
     await execSteamURL(`steam://controllerconfig/${appId}/${layoutId}`);
 }