[Init] Initial commit - NetMesh terminal manager

electron/bridges/nodePtySpawnHelperPermissions.cjs

@@ -0,0 +1,51 @@
+const fs = require("node:fs");
+const path = require("node:path");
+
+function chmodExecutableIfNeeded(filePath) {
+  let stat;
+  try {
+    stat = fs.statSync(filePath);
+  } catch {
+    return false;
+  }
+  if (!stat.isFile()) return false;
+  if ((stat.mode & 0o111) !== 0) return false;
+
+  fs.chmodSync(filePath, stat.mode | 0o111);
+  return true;
+}
+
+function listNodePtySpawnHelperCandidates(packageRoot, options = {}) {
+  const platform = options.platform ?? process.platform;
+  const arch = options.arch ?? process.arch;
+  return [
+    path.join(packageRoot, "build", "Release", "spawn-helper"),
+    path.join(packageRoot, "build", "Debug", "spawn-helper"),
+    path.join(packageRoot, "prebuilds", `${platform}-${arch}`, "spawn-helper"),
+  ];
+}
+
+function ensureNodePtySpawnHelperExecutable(options = {}) {
+  const platform = options.platform ?? process.platform;
+  if (platform === "win32") return [];
+
+  const packageRoot = options.packageRoot ?? path.dirname(require.resolve("node-pty/package.json"));
+  const changed = [];
+
+  for (const helperPath of listNodePtySpawnHelperCandidates(packageRoot, options)) {
+    try {
+      if (chmodExecutableIfNeeded(helperPath)) {
+        changed.push(helperPath);
+      }
+    } catch {
+      // Best effort: a permission fix must not prevent the app from starting.
+    }
+  }
+
+  return changed;
+}
+
+module.exports = {
+  ensureNodePtySpawnHelperExecutable,
+  listNodePtySpawnHelperCandidates,
+};