SplitHTTP server: Add noSSEHeader

https://github.com/XTLS/Xray-core/pull/3603#issuecomment-2254968219

infra/conf/transport_internet.go

@@ -232,6 +232,7 @@ type SplitHTTPConfig struct {
 	MaxConcurrentUploads Int32Range        `json:"maxConcurrentUploads"`
 	MaxUploadSize        Int32Range        `json:"maxUploadSize"`
 	MinUploadIntervalMs  Int32Range        `json:"minUploadIntervalMs"`
+	NoSSEHeader          bool              `json:"noSSEHeader"`
 }
 
 // Build implements Buildable.
@@ -260,6 +261,7 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 			From: c.MinUploadIntervalMs.From,
 			To:   c.MinUploadIntervalMs.To,
 		},
+		NoSSEHeader: c.NoSSEHeader,
 	}
 	return config, nil
 }

transport/internet/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.2
-// 	protoc        v5.27.2
+// 	protoc-gen-go v1.34.1
+// 	protoc        v5.27.0
 // source: transport/internet/config.proto
 
 package internet
@@ -863,7 +863,7 @@ func file_transport_internet_config_proto_rawDescGZIP() []byte {
 
 var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
 var file_transport_internet_config_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
-var file_transport_internet_config_proto_goTypes = []any{
+var file_transport_internet_config_proto_goTypes = []interface{}{
 	(TransportProtocol)(0),       // 0: xray.transport.internet.TransportProtocol
 	(DomainStrategy)(0),          // 1: xray.transport.internet.DomainStrategy
 	(SocketConfig_TProxyMode)(0), // 2: xray.transport.internet.SocketConfig.TProxyMode
@@ -897,7 +897,7 @@ func file_transport_internet_config_proto_init() {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_transport_internet_config_proto_msgTypes[0].Exporter = func(v any, i int) any {
+		file_transport_internet_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TransportConfig); i {
 			case 0:
 				return &v.state
@@ -909,7 +909,7 @@ func file_transport_internet_config_proto_init() {
 				return nil
 			}
 		}
-		file_transport_internet_config_proto_msgTypes[1].Exporter = func(v any, i int) any {
+		file_transport_internet_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StreamConfig); i {
 			case 0:
 				return &v.state
@@ -921,7 +921,7 @@ func file_transport_internet_config_proto_init() {
 				return nil
 			}
 		}
-		file_transport_internet_config_proto_msgTypes[2].Exporter = func(v any, i int) any {
+		file_transport_internet_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ProxyConfig); i {
 			case 0:
 				return &v.state
@@ -933,7 +933,7 @@ func file_transport_internet_config_proto_init() {
 				return nil
 			}
 		}
-		file_transport_internet_config_proto_msgTypes[3].Exporter = func(v any, i int) any {
+		file_transport_internet_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CustomSockopt); i {
 			case 0:
 				return &v.state
@@ -945,7 +945,7 @@ func file_transport_internet_config_proto_init() {
 				return nil
 			}
 		}
-		file_transport_internet_config_proto_msgTypes[4].Exporter = func(v any, i int) any {
+		file_transport_internet_config_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SocketConfig); i {
 			case 0:
 				return &v.state

transport/internet/splithttp/config.pb.go

@@ -31,6 +31,7 @@ type Config struct {
 	MaxConcurrentUploads *RandRangeConfig  `protobuf:"bytes,4,opt,name=maxConcurrentUploads,proto3" json:"maxConcurrentUploads,omitempty"`
 	MaxUploadSize        *RandRangeConfig  `protobuf:"bytes,5,opt,name=maxUploadSize,proto3" json:"maxUploadSize,omitempty"`
 	MinUploadIntervalMs  *RandRangeConfig  `protobuf:"bytes,6,opt,name=minUploadIntervalMs,proto3" json:"minUploadIntervalMs,omitempty"`
+	NoSSEHeader          bool              `protobuf:"varint,7,opt,name=noSSEHeader,proto3" json:"noSSEHeader,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -107,6 +108,13 @@ func (x *Config) GetMinUploadIntervalMs() *RandRangeConfig {
 	return nil
 }
 
+func (x *Config) GetNoSSEHeader() bool {
+	if x != nil {
+		return x.NoSSEHeader
+	}
+	return false
+}
+
 type RandRangeConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -169,8 +177,8 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
 	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x63,
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@@ -196,23 +204,25 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
 	0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68,
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 }
 
 var (

transport/internet/splithttp/config.proto

@@ -13,6 +13,7 @@ message Config {
   RandRangeConfig maxConcurrentUploads = 4;
   RandRangeConfig maxUploadSize = 5;
   RandRangeConfig minUploadIntervalMs = 6;
+  bool noSSEHeader = 7;
 }
 
 message RandRangeConfig {

transport/internet/splithttp/hub.go

@@ -26,6 +26,7 @@ import (
 )
 
 type requestHandler struct {
+	config    *Config
 	host      string
 	path      string
 	ln        *Listener
@@ -182,8 +183,10 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
 
 		// magic header instructs nginx + apache to not buffer response body
 		writer.Header().Set("X-Accel-Buffering", "no")
-		// magic header to make the HTTP middle box consider this as SSE to disable buffer
-		writer.Header().Set("Content-Type", "text/event-stream")
+		if !h.config.NoSSEHeader {
+			// magic header to make the HTTP middle box consider this as SSE to disable buffer
+			writer.Header().Set("Content-Type", "text/event-stream")
+		}
 
 		writer.WriteHeader(http.StatusOK)
 		// send a chunk immediately to enable CDN streaming.
@@ -267,6 +270,7 @@ func ListenSH(ctx context.Context, address net.Address, port net.Port, streamSet
 	var err error
 	var localAddr = gonet.TCPAddr{}
 	handler := &requestHandler{
+		config:    shSettings,
 		host:      shSettings.Host,
 		path:      shSettings.GetNormalizedPath("", false),
 		ln:        l,