Xray browser header masquerading (#8981)

* Support new hysteria2 stream settings

* Fix

* Sync

v2rayN/ServiceLib/Global.cs

@@ -182,13 +182,14 @@ public class Global
         @"https://raw.githubusercontent.com/Chocolate4U/Iran-v2ray-rules/main/v2rayN/"
     ];
 
-    public static readonly Dictionary<string, string> UserAgentTexts = new()
+    public static readonly Dictionary<string, string> TcpHttpUserAgentTexts = new()
     {
         {"chrome","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36" },
         {"firefox","Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:90.0) Gecko/20100101 Firefox/90.0" },
         {"safari","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15" },
         {"edge","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Edg/91.0.864.70" },
-        {"none",""}
+        {"none",""},
+        {"golang",""}
     };
 
     public const string Hysteria2ProtocolShare = "hy2://";
@@ -391,9 +392,8 @@ public class Global
     [
         "chrome",
         "firefox",
-        "safari",
         "edge",
-        "none"
+        "golang"
     ];
 
     public static readonly List<string> XhttpMode =

v2rayN/ServiceLib/Models/V2rayConfig.cs

@@ -337,7 +337,7 @@ public class StreamSettings4Ray
 
     public HysteriaSettings4Ray? hysteriaSettings { get; set; }
 
-    public Finalmask4Ray? finalmask { get; set; }
+    public object? finalmask { get; set; }
 
     public Sockopt4Ray? sockopt { get; set; }
 }
@@ -421,6 +421,8 @@ public class HttpupgradeSettings4Ray
     public string? path { get; set; }
 
     public string? host { get; set; }
+
+    public Headers4Ray headers { get; set; }
 }
 
 public class XhttpSettings4Ray
@@ -456,33 +458,31 @@ public class GrpcSettings4Ray
     public int? health_check_timeout { get; set; }
     public bool? permit_without_stream { get; set; }
     public int? initial_windows_size { get; set; }
+    public string? user_agent { get; set; }
 }
 
 public class HysteriaSettings4Ray
 {
     public int version { get; set; }
     public string? auth { get; set; }
-    public string? up { get; set; }
-    public string? down { get; set; }
-    public HysteriaUdpHop4Ray? udphop { get; set; }
 }
 
-public class HysteriaUdpHop4Ray
+public class UdpHop4Ray
 {
-    public string? port { get; set; }
+    public string? ports { get; set; }
     public string? interval { get; set; }
 }
 
 public class Finalmask4Ray
 {
-    public List<Mask4Ray>? tcp { get; set; }
     public List<Mask4Ray>? udp { get; set; }
+    public QuicParams4Ray? quicParams { get; set; }
 }
 
 public class Mask4Ray
 {
     public string type { get; set; }
-    public object? settings { get; set; }
+    public MaskSettings4Ray? settings { get; set; }
 }
 
 public class MaskSettings4Ray
@@ -491,6 +491,14 @@ public class MaskSettings4Ray
     public string? domain { get; set; }
 }
 
+public class QuicParams4Ray
+{
+    public string? congestion { get; set; }
+    public string? brutalUp { get; set; }
+    public string? brutalDown { get; set; }
+    public UdpHop4Ray? udpHop { get; set; }
+}
+
 public class AccountsItem4Ray
 {
     public string user { get; set; }

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs

@@ -224,13 +224,14 @@ public partial class CoreConfigSingboxService
                                 password = protocolExtra.SalamanderPass.TrimEx(),
                             };
                         }
-
-                        outbound.up_mbps = protocolExtra?.UpMbps is { } su and >= 0
+                        int? upMbps = protocolExtra?.UpMbps is { } su and >= 0
                             ? su
                             : _config.HysteriaItem.UpMbps;
-                        outbound.down_mbps = protocolExtra?.DownMbps is { } sd and >= 0
+                        int? downMbps = protocolExtra?.DownMbps is { } sd and >= 0
                             ? sd
-                            : _config.HysteriaItem.DownMbps;
+                            : _config.HysteriaItem.UpMbps;
+                        outbound.up_mbps = upMbps > 0 ? upMbps : null;
+                        outbound.down_mbps = downMbps > 0 ? downMbps : null;
                         var ports = protocolExtra?.Ports?.IsNullOrEmpty() == false ? protocolExtra.Ports : null;
                         if ((!ports.IsNullOrEmpty()) && (ports.Contains(':') || ports.Contains('-') || ports.Contains(',')))
                         {
@@ -608,7 +609,7 @@ public partial class CoreConfigSingboxService
         {
             var node = nodesReverse[i];
             var currentTag = i == 0 ? baseTagName : $"chain-{baseTagName}-{i}-{node.Remarks}";
-            var dialerProxyTag = i != nodesReverse.Count - 1 ? $"chain-{baseTagName}-{i + 1}-{node.Remarks}" : null;
+            var dialerProxyTag = i != nodesReverse.Count - 1 ? $"chain-{baseTagName}-{i + 1}-{nodesReverse[i + 1].Remarks}" : null;
             if (node.ConfigType.IsGroupType())
             {
                 var childProfiles = new CoreConfigSingboxService(context with { Node = node, }).BuildGroupProxyOutbounds(currentTag);

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -354,11 +354,7 @@ public partial class CoreConfigV2rayService
             var host = _node.RequestHost.TrimEx();
             var path = _node.Path.TrimEx();
             var sni = _node.Sni.TrimEx();
-            var useragent = "";
-            if (!_config.CoreBasicItem.DefUserAgent.IsNullOrEmpty())
-            {
-                useragent = Global.UserAgentTexts.GetValueOrDefault(_config.CoreBasicItem.DefUserAgent, _config.CoreBasicItem.DefUserAgent);
-            }
+            var useragent = _config.CoreBasicItem.DefUserAgent ?? string.Empty;
 
             //if tls
             if (_node.StreamSecurity == Global.StreamSecurity)
@@ -441,10 +437,10 @@ public partial class CoreConfigV2rayService
                     kcpSettings.congestion = _config.KcpItem.Congestion;
                     kcpSettings.readBufferSize = _config.KcpItem.ReadBufferSize;
                     kcpSettings.writeBufferSize = _config.KcpItem.WriteBufferSize;
-                    streamSettings.finalmask ??= new();
+                    var kcpFinalmask = new Finalmask4Ray();
                     if (Global.KcpHeaderMaskMap.TryGetValue(_node.HeaderType, out var header))
                     {
-                        streamSettings.finalmask.udp =
+                        kcpFinalmask.udp =
                         [
                             new Mask4Ray
                             {
@@ -453,23 +449,24 @@ public partial class CoreConfigV2rayService
                             }
                         ];
                     }
-                    streamSettings.finalmask.udp ??= [];
+                    kcpFinalmask.udp ??= [];
                     if (path.IsNullOrEmpty())
                     {
-                        streamSettings.finalmask.udp.Add(new Mask4Ray
+                        kcpFinalmask.udp.Add(new Mask4Ray
                         {
                             type = "mkcp-original"
                         });
                     }
                     else
                     {
-                        streamSettings.finalmask.udp.Add(new Mask4Ray
+                        kcpFinalmask.udp.Add(new Mask4Ray
                         {
                             type = "mkcp-aes128gcm",
                             settings = new MaskSettings4Ray { password = path }
                         });
                     }
                     streamSettings.kcpSettings = kcpSettings;
+                    streamSettings.finalmask = kcpFinalmask;
                     break;
                 //ws
                 case nameof(ETransport.ws):
@@ -495,13 +492,17 @@ public partial class CoreConfigV2rayService
                 case nameof(ETransport.httpupgrade):
                     HttpupgradeSettings4Ray httpupgradeSettings = new();
 
+                    if (host.IsNotEmpty())
+                    {
+                        httpupgradeSettings.host = host;
+                    }
                     if (path.IsNotEmpty())
                     {
                         httpupgradeSettings.path = path;
                     }
-                    if (host.IsNotEmpty())
+                    if (useragent.IsNotEmpty())
                     {
-                        httpupgradeSettings.host = host;
+                        httpupgradeSettings.headers.UserAgent = useragent;
                     }
                     streamSettings.httpupgradeSettings = httpupgradeSettings;
 
@@ -580,6 +581,7 @@ public partial class CoreConfigV2rayService
                         health_check_timeout = _config.GrpcItem.HealthCheckTimeout,
                         permit_without_stream = _config.GrpcItem.PermitWithoutStream,
                         initial_windows_size = _config.GrpcItem.InitialWindowsSize,
+                        user_agent = useragent.NullIfEmpty(),
                     };
                     streamSettings.grpcSettings = grpcSettings;
                     break;
@@ -598,28 +600,32 @@ public partial class CoreConfigV2rayService
                         : (_config.HysteriaItem.HopInterval >= 5
                             ? _config.HysteriaItem.HopInterval
                             : Global.Hysteria2DefaultHopInt).ToString();
-                    HysteriaUdpHop4Ray? udpHop = null;
+                    var hy2Finalmask = new Finalmask4Ray();
+                    var quicParams = new QuicParams4Ray();
                     if (!ports.IsNullOrEmpty() &&
                         (ports.Contains(':') || ports.Contains('-') || ports.Contains(',')))
                     {
-                        udpHop = new HysteriaUdpHop4Ray
+                        var udpHop = new UdpHop4Ray
                         {
-                            port = ports.Replace(':', '-'),
+                            ports = ports.Replace(':', '-'),
                             interval = hopInterval,
                         };
+                        quicParams.udpHop = udpHop;
                     }
-                    streamSettings.hysteriaSettings = new()
+                    if (upMbps > 0 || downMbps > 0)
                     {
-                        version = 2,
-                        auth = _node.Password,
-                        up = upMbps > 0 ? $"{upMbps}mbps" : null,
-                        down = downMbps > 0 ? $"{downMbps}mbps" : null,
-                        udphop = udpHop,
-                    };
+                        quicParams.congestion = "brutal";
+                        quicParams.brutalUp = upMbps > 0 ? $"{upMbps}mbps" : null;
+                        quicParams.brutalDown = downMbps > 0 ? $"{downMbps}mbps" : null;
+                    }
+                    else
+                    {
+                        quicParams.congestion = "bbr";
+                    }
+                    hy2Finalmask.quicParams = quicParams;
                     if (!protocolExtra.SalamanderPass.IsNullOrEmpty())
                     {
-                        streamSettings.finalmask ??= new();
-                        streamSettings.finalmask.udp =
+                        hy2Finalmask.udp =
                             [
                                 new Mask4Ray
                                 {
@@ -628,6 +634,12 @@ public partial class CoreConfigV2rayService
                                 }
                             ];
                     }
+                    streamSettings.hysteriaSettings = new()
+                    {
+                        version = 2,
+                        auth = _node.Password,
+                    };
+                    streamSettings.finalmask = hy2Finalmask;
                     break;
 
                 default:
@@ -644,10 +656,11 @@ public partial class CoreConfigV2rayService
 
                         //request Host
                         var request = EmbedUtils.GetEmbedText(Global.V2raySampleHttpRequestFileName);
+                        var useragentValue = Global.TcpHttpUserAgentTexts.GetValueOrDefault(useragent, useragent);
                         var arrHost = host.Split(',');
                         var host2 = string.Join(",".AppendQuotes(), arrHost);
                         request = request.Replace("$requestHost$", $"{host2.AppendQuotes()}");
-                        request = request.Replace("$requestUserAgent$", $"{useragent.AppendQuotes()}");
+                        request = request.Replace("$requestUserAgent$", $"{useragentValue.AppendQuotes()}");
                         //Path
                         var pathHttp = @"/";
                         if (path.IsNotEmpty())
@@ -665,7 +678,7 @@ public partial class CoreConfigV2rayService
 
             if (!_node.Finalmask.IsNullOrEmpty())
             {
-                streamSettings.finalmask = JsonUtils.Deserialize<Finalmask4Ray>(_node.Finalmask);
+                streamSettings.finalmask = JsonUtils.ParseJson(_node.Finalmask);
             }
         }
         catch (Exception ex)
@@ -725,7 +738,7 @@ public partial class CoreConfigV2rayService
         {
             var node = nodesReverse[i];
             var currentTag = i == 0 ? baseTagName : $"chain-{baseTagName}-{i}-{node.Remarks}";
-            var dialerProxyTag = i != nodesReverse.Count - 1 ? $"chain-{baseTagName}-{i + 1}-{node.Remarks}" : null;
+            var dialerProxyTag = i != nodesReverse.Count - 1 ? $"chain-{baseTagName}-{i + 1}-{nodesReverse[i + 1].Remarks}" : null;
             if (node.ConfigType.IsGroupType())
             {
                 var childProfiles = new CoreConfigV2rayService(context with { Node = node, }).BuildGroupProxyOutbounds(currentTag);