Fixed DNS bug with region switch

https://github.com/2dust/v2rayN/issues/7682

v2rayN/ServiceLib/Global.cs

@@ -136,24 +136,24 @@ public class Global
     ];
 
     public static readonly List<string> SingboxRulesetSources =
-    [
+[
     "",
-            @"https://cdn.jsdelivr.net/gh/runetfreedom/russia-v2ray-rules-dat@release/sing-box/rule-set-{0}/{1}.srs",
+    @"https://raw.githubusercontent.com/runetfreedom/russia-v2ray-rules-dat/release/sing-box/rule-set-{0}/{1}.srs",
-            @"https://cdn.jsdelivr.net/gh/chocolate4u/Iran-sing-box-rules@rule-set/{1}.srs"
+    @"https://raw.githubusercontent.com/chocolate4u/Iran-sing-box-rules/rule-set/{1}.srs"
-    ];
+];
 
     public static readonly List<string> RoutingRulesSources =
     [
         "",
-            @"https://cdn.jsdelivr.net/gh/runetfreedom/russia-v2ray-custom-routing-list@main/v2rayN/template.json",
+    @"https://raw.githubusercontent.com/runetfreedom/russia-v2ray-custom-routing-list/main/v2rayN/template.json",
-            @"https://cdn.jsdelivr.net/gh/Chocolate4U/Iran-v2ray-rules@main/v2rayN/template.json"
+    @"https://raw.githubusercontent.com/Chocolate4U/Iran-v2ray-rules/main/v2rayN/template.json"
     ];
 
     public static readonly List<string> DNSTemplateSources =
     [
         "",
-            @"https://cdn.jsdelivr.net/gh/runetfreedom/russia-v2ray-custom-routing-list@main/v2rayN/",
+    @"https://raw.githubusercontent.com/runetfreedom/russia-v2ray-custom-routing-list/main/v2rayN/",
-            @"https://cdn.jsdelivr.net/gh/Chocolate4U/Iran-v2ray-rules@main/v2rayN/"
+    @"https://raw.githubusercontent.com/Chocolate4U/Iran-v2ray-rules/main/v2rayN/"
     ];
 
     public static readonly Dictionary<string, string> UserAgentTexts = new()

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -112,10 +112,7 @@ public class ConfigHandler
 
         config.ConstItem ??= new ConstItem();
 
-        if (config.SimpleDNSItem == null)
+        config.SimpleDNSItem ??= InitBuiltinSimpleDNS();
-        {
-            InitBuiltinSimpleDNS(config);
-        }
 
         config.SpeedTestItem ??= new();
         if (config.SpeedTestItem.SpeedTestTimeout < 10)
@@ -2212,9 +2209,9 @@ public class ConfigHandler
 
     #region Simple DNS
 
-    public static int InitBuiltinSimpleDNS(Config config)
+    public static SimpleDNSItem InitBuiltinSimpleDNS()
     {
-        config.SimpleDNSItem = new SimpleDNSItem()
+        return new SimpleDNSItem()
         {
             UseSystemHosts = false,
             AddCommonHosts = true,
@@ -2225,7 +2222,6 @@ public class ConfigHandler
             SingboxOutboundsResolveDNS = Global.DomainDirectDNSAddress.FirstOrDefault(),
             SingboxFinalResolveDNS = Global.DomainPureIPDNSAddress.FirstOrDefault()
         };
-        return 0;
     }
 
     public static async Task<SimpleDNSItem> GetExternalSimpleDNSItem(string url)
@@ -2263,9 +2259,8 @@ public class ConfigHandler
                 await SQLiteHelper.Instance.DeleteAllAsync<DNSItem>();
                 await InitBuiltinDNS(config);
 
-                InitBuiltinSimpleDNS(config);
+                config.SimpleDNSItem = InitBuiltinSimpleDNS();
-
+                break;
-                return true;
 
             case EPresetType.Russia:
                 config.ConstItem.GeoSourceUrl = Global.GeoFilesSources[1];
@@ -2275,9 +2270,8 @@ public class ConfigHandler
                 await SaveDNSItems(config, await GetExternalDNSItem(ECoreType.Xray, Global.DNSTemplateSources[1] + "v2ray.json"));
                 await SaveDNSItems(config, await GetExternalDNSItem(ECoreType.sing_box, Global.DNSTemplateSources[1] + "sing_box.json"));
 
-                config.SimpleDNSItem = await GetExternalSimpleDNSItem(Global.DNSTemplateSources[1] + "simple_dns.json");
+                config.SimpleDNSItem = await GetExternalSimpleDNSItem(Global.DNSTemplateSources[1] + "simple_dns.json") ?? InitBuiltinSimpleDNS();
-
+                break;
-                return true;
 
             case EPresetType.Iran:
                 config.ConstItem.GeoSourceUrl = Global.GeoFilesSources[2];
@@ -2287,12 +2281,11 @@ public class ConfigHandler
                 await SaveDNSItems(config, await GetExternalDNSItem(ECoreType.Xray, Global.DNSTemplateSources[2] + "v2ray.json"));
                 await SaveDNSItems(config, await GetExternalDNSItem(ECoreType.sing_box, Global.DNSTemplateSources[2] + "sing_box.json"));
 
-                config.SimpleDNSItem = await GetExternalSimpleDNSItem(Global.DNSTemplateSources[2] + "simple_dns.json");
+                config.SimpleDNSItem = await GetExternalSimpleDNSItem(Global.DNSTemplateSources[2] + "simple_dns.json") ?? InitBuiltinSimpleDNS();
-
+                break;
-                return true;
         }
 
-        return false;
+        return true;
     }
 
     #endregion Regional Presets

v2rayN/ServiceLib/Handler/Fmt/AnytlsFmt.cs

@@ -1,6 +1,5 @@
-using static QRCoder.PayloadGenerator;
-
 namespace ServiceLib.Handler.Fmt;
+
 public class AnytlsFmt : BaseFmt
 {
     public static ProfileItem? Resolve(string str, out string msg)

v2rayN/ServiceLib/Models/SingboxConfig.cs

@@ -240,10 +240,13 @@ public class Server4Sbox : BaseServer4Sbox
     public int? server_port { get; set; }
     public string? path { get; set; }
     public Headers4Sbox? headers { get; set; }
+
     // public List<string>? path { get; set; } // hosts
     public Dictionary<string, List<string>>? predefined { get; set; }
+
     // Deprecated
     public string? address { get; set; }
+
     public string? address_resolver { get; set; }
     public string? address_strategy { get; set; }
     public string? strategy { get; set; }

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigSingboxService.cs

@@ -1,11 +1,6 @@
-using System.Collections.Generic;
 using System.Data;
 using System.Net;
 using System.Net.NetworkInformation;
-using System.Reactive;
-using System.Text;
-using DynamicData;
-using ServiceLib.Models;
 
 namespace ServiceLib.Services.CoreConfig;
 

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml

@@ -39,7 +39,7 @@
             <TabItem Header="{x:Static resx:ResUI.ThBasicDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
-                        Margin="{StaticResource Margin4}"
+                        Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
 
@@ -186,7 +186,7 @@
             <TabItem Header="{x:Static resx:ResUI.ThAdvancedDNSSettings}">
                 <ScrollViewer VerticalScrollBarVisibility="Visible">
                     <Grid
-                        Margin="{StaticResource Margin4}"
+                        Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
                         RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,*">
 
@@ -284,13 +284,14 @@
                             Grid.ColumnSpan="3"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Stretch"
-                            Watermark="{x:Static resx:ResUI.TbDNSHostsConfig}"
                             BorderThickness="1"
                             Classes="TextArea"
-                            TextWrapping="Wrap" />
+                            TextWrapping="Wrap"
+                            Watermark="{x:Static resx:ResUI.TbDNSHostsConfig}" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
+
             <TabItem Header="{x:Static resx:ResUI.TbSettingsCoreDns}">
                 <DockPanel Margin="{StaticResource Margin8}">
                     <Grid DockPanel.Dock="Top">

v2rayN/v2rayN/Views/ClashConnectionsView.xaml

@@ -1,11 +1,11 @@
 <reactiveui:ReactiveUserControl
     x:Class="v2rayN.Views.ClashConnectionsView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-    xmlns:reactiveui="http://reactiveui.net"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
     xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
     d:DesignHeight="450"

v2rayN/v2rayN/Views/ClashProxiesView.xaml

@@ -1,14 +1,14 @@
 <reactiveui:ReactiveUserControl
     x:Class="v2rayN.Views.ClashProxiesView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
-    xmlns:reactiveui="http://reactiveui.net"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:converters="clr-namespace:v2rayN.Converters"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:reactiveui="http://reactiveui.net"
     xmlns:resx="clr-namespace:ServiceLib.Resx;assembly=ServiceLib"
     xmlns:vms="clr-namespace:ServiceLib.ViewModels;assembly=ServiceLib"
-    xmlns:converters="clr-namespace:v2rayN.Converters"
     d:DesignHeight="450"
     d:DesignWidth="800"
     x:TypeArguments="vms:ClashProxiesViewModel"

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -83,8 +83,8 @@
                             Grid.Row="1"
                             Grid.Column="1"
                             Width="200"
-                            IsEditable="True"
                             Margin="{StaticResource Margin8}"
+                            IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
 
                         <TextBlock
@@ -99,8 +99,8 @@
                             Grid.Row="2"
                             Grid.Column="1"
                             Width="200"
-                            IsEditable="True"
                             Margin="{StaticResource Margin8}"
+                            IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
 
                         <TextBlock
@@ -115,8 +115,8 @@
                             Grid.Row="3"
                             Grid.Column="1"
                             Width="200"
-                            IsEditable="True"
                             Margin="{StaticResource Margin8}"
+                            IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
                         <TextBlock
                             Grid.Row="3"
@@ -138,8 +138,8 @@
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
-                            IsEditable="True"
                             Margin="{StaticResource Margin8}"
+                            IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
                         <TextBlock
                             Grid.Row="4"
@@ -304,7 +304,6 @@
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbPreventDNSLeaks}" />
 
-
                         <TextBlock
                             Grid.Row="4"
                             Grid.Column="0"
@@ -317,8 +316,8 @@
                             Grid.Row="4"
                             Grid.Column="1"
                             Width="200"
-                            IsEditable="True"
                             Margin="{StaticResource Margin8}"
+                            IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
                         <TextBlock
                             Grid.Row="4"

v2rayN/v2rayN/Views/StatusBarView.xaml

@@ -92,8 +92,7 @@
                         AutomationProperties.Name="{x:Static resx:ResUI.menuRouting}"
                         DisplayMemberPath="Remarks"
                         FontSize="{DynamicResource StdFontSize}"
-                        Style="{StaticResource MaterialDesignFloatingHintComboBox}">
+                        Style="{StaticResource MaterialDesignFloatingHintComboBox}" />
-                    </ComboBox>
                 </StackPanel>
 
                 <StackPanel Margin="{StaticResource MarginLeftRight8}" VerticalAlignment="Center">
@@ -185,8 +184,7 @@
                                     AutomationProperties.Name="{x:Static resx:ResUI.menuRouting}"
                                     DisplayMemberPath="Remarks"
                                     FontSize="{DynamicResource StdFontSize}"
-                                    Style="{StaticResource MaterialDesignFilledComboBox}">
+                                    Style="{StaticResource MaterialDesignFilledComboBox}" />
-                                </ComboBox>
                             </DockPanel>
                         </MenuItem.Header>
                     </MenuItem>
@@ -200,8 +198,7 @@
                                     AutomationProperties.Name="{x:Static resx:ResUI.menuServers}"
                                     DisplayMemberPath="Text"
                                     FontSize="{DynamicResource StdFontSize}"
-                                    Style="{StaticResource MaterialDesignFilledComboBox}">
+                                    Style="{StaticResource MaterialDesignFilledComboBox}" />
-                                </ComboBox>
                             </DockPanel>
                         </MenuItem.Header>
                     </MenuItem>