Remake desktop

Optimize change proxy

Optimize network check

Fix fallback issues

Optimize lots of details

lib/common/system.dart

@@ -1,11 +1,13 @@
 import 'dart:io';
 
 import 'package:device_info_plus/device_info_plus.dart';
+import 'package:fl_clash/common/common.dart';
+import 'package:fl_clash/enum/enum.dart';
 import 'package:fl_clash/plugins/app.dart';
+import 'package:fl_clash/state.dart';
+import 'package:fl_clash/widgets/input.dart';
 import 'package:flutter/services.dart';
 
-import 'window.dart';
-
 class System {
   static System? _instance;
 
@@ -19,12 +21,6 @@ class System {
   bool get isDesktop =>
       Platform.isWindows || Platform.isMacOS || Platform.isLinux;
 
-  get isAdmin async {
-    if (!Platform.isWindows) return false;
-    final result = await Process.run('net', ['session'], runInShell: true);
-    return result.exitCode == 0;
-  }
-
   Future<int> get version async {
     final deviceInfo = await DeviceInfoPlugin().deviceInfo;
     return switch (Platform.operatingSystem) {
@@ -35,6 +31,73 @@ class System {
     };
   }
 
+  Future<bool> checkIsAdmin() async {
+    final corePath = appPath.corePath.replaceAll(' ', '\\\\ ');
+    if (Platform.isWindows) {
+      final result = await windows?.checkService();
+      return result == WindowsHelperServiceStatus.running;
+    } else if (Platform.isMacOS) {
+      final result = await Process.run('stat', ['-f', '%Su:%Sg %Sp', corePath]);
+      final output = result.stdout.trim();
+      if (output.startsWith('root:admin') && output.contains('rws')) {
+        return true;
+      }
+      return false;
+    } else if (Platform.isLinux) {
+      final result = await Process.run('stat', ['-c', '%U:%G %A', corePath]);
+      final output = result.stdout.trim();
+      if (output.startsWith('root:') && output.contains('rwx')) {
+        return true;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  Future<AuthorizeCode> authorizeCore() async {
+    final corePath = appPath.corePath.replaceAll(' ', '\\\\ ');
+    final isAdmin = await checkIsAdmin();
+    if (isAdmin) {
+      return AuthorizeCode.none;
+    }
+    if (Platform.isWindows) {
+      final result = await windows?.registerService();
+      if (result == true) {
+        return AuthorizeCode.success;
+      }
+      return AuthorizeCode.error;
+    } else if (Platform.isMacOS) {
+      final shell = 'chown root:admin $corePath; chmod +sx $corePath';
+      final arguments = [
+        "-e",
+        'do shell script "$shell" with administrator privileges',
+      ];
+      final result = await Process.run("osascript", arguments);
+      if (result.exitCode != 0) {
+        return AuthorizeCode.error;
+      }
+      return AuthorizeCode.success;
+    } else if (Platform.isLinux) {
+      final shell = Platform.environment['SHELL'] ?? 'bash';
+      final password = await globalState.showCommonDialog<String>(
+        child: InputDialog(
+          title: appLocalizations.pleaseInputAdminPassword,
+          value: '',
+        ),
+      );
+      final arguments = [
+        "-c",
+        'echo "$password" | sudo -S chown root:root "$corePath" && echo "$password" | sudo -S chmod +sx "$corePath"'
+      ];
+      final result = await Process.run(shell, arguments);
+      if (result.exitCode != 0) {
+        return AuthorizeCode.error;
+      }
+      return AuthorizeCode.success;
+    }
+    return AuthorizeCode.error;
+  }
+
   back() async {
     await app?.moveTaskToBack();
     await window?.hide();