OpravyPoAI

node_modules/pidtree/lib/powershell.js

@@ -0,0 +1,70 @@
+'use strict';
+
+var os = require('os');
+var bin = require('./bin');
+
+// PowerShell command used to list every process as "<ppid> <pid>" lines.
+// Get-CimInstance is the supported replacement for the removed wmic utility
+// (see https://github.com/simonepri/pidtree/issues/20).
+// $ProgressPreference is silenced so PowerShell does not serialize its
+// progress stream (e.g. "Preparing modules for first use.") to stderr as
+// CLIXML, which would otherwise be treated as an error.
+var COMMAND =
+  "$ProgressPreference = 'SilentlyContinue'; " +
+  'Get-CimInstance -ClassName Win32_Process | ' +
+  'ForEach-Object { "$($_.ParentProcessId) $($_.ProcessId)" }';
+
+// The command is passed through -EncodedCommand (Base64 of the UTF-16LE
+// string) to avoid any cross-shell argument quoting issues on Windows.
+var ENCODED = Buffer.from(COMMAND, 'utf16le').toString('base64');
+
+/**
+ * Gets the list of all the pids of the system through PowerShell.
+ * Used as a fallback on Windows installations where wmic is not available
+ * (e.g. Windows 11 24H2 and Windows Server 2025).
+ * @param  {Function} callback(err, list)
+ */
+function powershell(callback) {
+  var args = ['-NoProfile', '-NonInteractive', '-EncodedCommand', ENCODED];
+  var options = {windowsHide: true};
+  bin('powershell', args, options, function(err, stdout, code) {
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    if (code !== 0) {
+      callback(
+        new Error('pidtree powershell command exited with code ' + code)
+      );
+      return;
+    }
+
+    // Example of stdout
+    //
+    // 0 777
+    // 777 778
+    // 0 779
+
+    try {
+      stdout = stdout.split(os.EOL);
+
+      var list = [];
+      for (var i = 0; i < stdout.length; i++) {
+        stdout[i] = stdout[i].trim();
+        if (!stdout[i]) continue;
+        var parts = stdout[i].split(/\s+/);
+        var ppid = parseInt(parts[0], 10); // PPID
+        var pid = parseInt(parts[1], 10); // PID
+        if (isNaN(ppid) || isNaN(pid)) continue;
+        list.push([ppid, pid]);
+      }
+
+      callback(null, list);
+    } catch (error) {
+      callback(error);
+    }
+  });
+}
+
+module.exports = powershell;