new: shutdown | reboot on rootless user

lib/core/extension/ssh_client.dart

@@ -2,19 +2,24 @@ import 'dart:async';
 
 import 'package:dartssh2/dartssh2.dart';
 import 'package:flutter/foundation.dart';
+import 'package:flutter/widgets.dart';
+import 'package:toolbox/core/extension/stringx.dart';
 import 'package:toolbox/core/extension/uint8list.dart';
+import 'package:toolbox/core/utils/ui.dart';
 
-typedef OnStd = void Function(String data, StreamSink<Uint8List> sink);
-typedef OnStdin = void Function(StreamSink<Uint8List> sink);
+import '../../data/res/misc.dart';
+
+typedef _OnStdout = void Function(String data, StreamSink<Uint8List> sink);
+typedef _OnStdin = void Function(StreamSink<Uint8List> sink);
 
 typedef PwdRequestFunc = Future<String?> Function(String? user);
 
 extension SSHClientX on SSHClient {
   Future<int?> exec(
     String cmd, {
-    OnStd? onStderr,
-    OnStd? onStdout,
-    OnStdin? stdin,
+    _OnStdout? onStderr,
+    _OnStdout? onStdout,
+    _OnStdin? stdin,
   }) async {
     final session = await execute(cmd);
 
@@ -49,4 +54,33 @@ extension SSHClientX on SSHClient {
     session.close();
     return session.exitCode;
   }
+
+  Future<int?> execWithPwd(
+    String cmd, {
+    BuildContext? context,
+    _OnStdout? onStdout,
+    _OnStdout? onStderr,
+    _OnStdin? stdin,
+  }) async {
+    var isRequestingPwd = false;
+    return await exec(
+      cmd,
+      onStderr: (data, sink) async {
+        onStderr?.call(data, sink);
+        if (isRequestingPwd) return;
+        isRequestingPwd = true;
+        if (data.contains('[sudo] password for ')) {
+          final user = pwdRequestWithUserReg.firstMatch(data)?.group(1);
+          if (context == null) return;
+          final pwd = await showPwdDialog(context, user);
+          if (pwd == null || pwd.isEmpty) {
+            return;
+          }
+          sink.add('$pwd\n'.uint8List);
+        }
+      },
+      onStdout: onStdout,
+      stdin: stdin,
+    );
+  }
 }

lib/core/utils/ui.dart

@@ -5,13 +5,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:toolbox/core/extension/context.dart';
-import 'package:toolbox/core/extension/ssh_client.dart';
 import 'package:toolbox/data/model/app/tab.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 import '../../data/model/server/snippet.dart';
 import '../../data/provider/snippet.dart';
-import '../../data/res/misc.dart';
 import '../../data/res/ui.dart';
 import '../../locator.dart';
 import '../../view/widget/input_field.dart';
@@ -97,21 +95,6 @@ Future<String?> showPwdDialog(
   );
 }
 
-Future<void> onPwd(
-  String event,
-  StreamSink<Uint8List> stdin,
-  PwdRequestFunc? onPwdReq,
-) async {
-  if (event.contains('[sudo] password for ')) {
-    final user = pwdRequestWithUserReg.firstMatch(event)?.group(1);
-    final pwd = await onPwdReq?.call(user);
-    if (pwd == null || pwd.isEmpty) {
-      return;
-    }
-    stdin.add('$pwd\n'.uint8List);
-  }
-}
-
 Widget buildSwitch(
   BuildContext context,
   StorePropertyBase<bool> prop, {