From 33c6fc3422800902f384c2714b658679e000b5c5 Mon Sep 17 00:00:00 2001
From: Michael Z Goddard <z@bocoup.com>
Date: Mon, 13 Dec 2021 12:09:47 -0500
Subject: [PATCH] fix: exit at-driver with error if run as admin

---
 lib/cli.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/lib/cli.js b/lib/cli.js
index c7eecb2..0033730 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -1,5 +1,8 @@
 'use strict';
 
+const {exec} = require('child_process');
+const {promisify} = require('util');
+
 const yargs = require('yargs/yargs');
 const { hideBin } = require('yargs/helpers');
 
@@ -8,6 +11,16 @@ const createVoiceServer = require('./create-voice-server');
 const NAMED_PIPE = '\\\\?\\pipe\\my_pipe';
 const DEFAULT_PORT = 4382;
 
+
+const isAdmin = async () => {
+  try {
+    await promisify(exec)('net session');
+    return true;
+  } catch ({}) {
+    return false;
+  }
+};
+
 /**
  * Print logging information to the process's standard error stream, annotated
  * with a timestamp describing the moment that the message was emitted.
@@ -35,6 +48,15 @@ module.exports = async (process) => {
     })
     .parse();
 
+  if (await isAdmin()) {
+    // Running at-driver with admin privilege creates the named pipe so that admin privilege is
+    // required to connect to the pipe. An application, such as a screen reader, using the
+    // automation voice will try to connect to the pipe and likely fail as it will be unlikely to
+    // have been run with admin privilege.
+    log(`executed with admin privilege. run at-driver without admin privilege.`);
+    process.exit(1);
+  }
+
   const [commandServer, voiceServer] = await Promise.all([
     createCommandServer(argv.port),
     createVoiceServer(NAMED_PIPE),