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SplitHTTP server: add ok padding (#3614)

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mmmray 2024-08-02 03:16:19 +02:00 committed by GitHub
parent 4c82ef8a1b
commit 4b7947cca9
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GPG Key ID: B5690EEEBB952194
5 changed files with 80 additions and 43 deletions
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42
infra/conf/transport_internet.go
View File

@ -229,10 +229,22 @@ type SplitHTTPConfig struct {
Host string `json:"host"` Host string `json:"host"`
Path string `json:"path"` Path string `json:"path"`
Headers map[string]string `json:"headers"` Headers map[string]string `json:"headers"`
ScMaxConcurrentPosts Int32Range `json:"scMaxConcurrentPosts"` ScMaxConcurrentPosts *Int32Range `json:"scMaxConcurrentPosts"`
ScMaxEachPostBytes Int32Range `json:"scMaxEachPostBytes"` ScMaxEachPostBytes *Int32Range `json:"scMaxEachPostBytes"`
ScMinPostsIntervalMs Int32Range `json:"scMinPostsIntervalMs"` ScMinPostsIntervalMs *Int32Range `json:"scMinPostsIntervalMs"`
NoSSEHeader bool `json:"noSSEHeader"` NoSSEHeader bool `json:"noSSEHeader"`
ResponseOkPadding *Int32Range `json:"responseOkPadding"`
}
func splithttpNewRandRangeConfig(input *Int32Range) *splithttp.RandRangeConfig {
if input == nil {
return nil
}
return &splithttp.RandRangeConfig{
From: input.From,
To: input.To,
}
} }
// Build implements Buildable. // Build implements Buildable.
@ -246,22 +258,14 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
c.Host = c.Headers["Host"] c.Host = c.Headers["Host"]
} }
config := &splithttp.Config{ config := &splithttp.Config{
Path: c.Path, Path: c.Path,
Host: c.Host, Host: c.Host,
Header: c.Headers, Header: c.Headers,
ScMaxConcurrentPosts: &splithttp.RandRangeConfig{ ScMaxConcurrentPosts: splithttpNewRandRangeConfig(c.ScMaxConcurrentPosts),
From: c.ScMaxConcurrentPosts.From, ScMaxEachPostBytes: splithttpNewRandRangeConfig(c.ScMaxEachPostBytes),
To: c.ScMaxConcurrentPosts.To, ScMinPostsIntervalMs: splithttpNewRandRangeConfig(c.ScMinPostsIntervalMs),
}, NoSSEHeader: c.NoSSEHeader,
ScMaxEachPostBytes: &splithttp.RandRangeConfig{ ResponseOkPadding: splithttpNewRandRangeConfig(c.ResponseOkPadding),
From: c.ScMaxEachPostBytes.From,
To: c.ScMaxEachPostBytes.To,
},
ScMinPostsIntervalMs: &splithttp.RandRangeConfig{
From: c.ScMinPostsIntervalMs.From,
To: c.ScMinPostsIntervalMs.To,
},
NoSSEHeader: c.NoSSEHeader,
} }
return config, nil return config, nil
} }

11
transport/internet/splithttp/config.go
View File

@ -69,6 +69,17 @@ func (c *Config) GetNormalizedScMinPostsIntervalMs() RandRangeConfig {
return *c.ScMinPostsIntervalMs return *c.ScMinPostsIntervalMs
} }
func (c *Config) GetNormalizedResponseOkPadding() RandRangeConfig {
if c.ResponseOkPadding == nil || c.ResponseOkPadding.To == 0 {
return RandRangeConfig{
From: 100,
To: 1000,
}
}
return *c.ResponseOkPadding
}
func init() { func init() {
common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} { common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
return new(Config) return new(Config)

64
transport/internet/splithttp/config.pb.go
View File

@ -32,6 +32,7 @@ type Config struct {
ScMaxEachPostBytes *RandRangeConfig `protobuf:"bytes,5,opt,name=scMaxEachPostBytes,proto3" json:"scMaxEachPostBytes,omitempty"` ScMaxEachPostBytes *RandRangeConfig `protobuf:"bytes,5,opt,name=scMaxEachPostBytes,proto3" json:"scMaxEachPostBytes,omitempty"`
ScMinPostsIntervalMs *RandRangeConfig `protobuf:"bytes,6,opt,name=scMinPostsIntervalMs,proto3" json:"scMinPostsIntervalMs,omitempty"` ScMinPostsIntervalMs *RandRangeConfig `protobuf:"bytes,6,opt,name=scMinPostsIntervalMs,proto3" json:"scMinPostsIntervalMs,omitempty"`
NoSSEHeader bool `protobuf:"varint,7,opt,name=noSSEHeader,proto3" json:"noSSEHeader,omitempty"` NoSSEHeader bool `protobuf:"varint,7,opt,name=noSSEHeader,proto3" json:"noSSEHeader,omitempty"`
ResponseOkPadding *RandRangeConfig `protobuf:"bytes,8,opt,name=responseOkPadding,proto3" json:"responseOkPadding,omitempty"`
} }
func (x *Config) Reset() { func (x *Config) Reset() {
@ -115,6 +116,13 @@ func (x *Config) GetNoSSEHeader() bool {
return false return false
} }
func (x *Config) GetResponseOkPadding() *RandRangeConfig {
if x != nil {
return x.ResponseOkPadding
}
return nil
}
type RandRangeConfig struct { type RandRangeConfig struct {
state protoimpl.MessageState state protoimpl.MessageState
sizeCache protoimpl.SizeCache sizeCache protoimpl.SizeCache
@ -177,7 +185,7 @@ 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, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x63,
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@ -186,27 +194,34 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73, 0x70, 0x6c, 0x69, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73, 0x70, 0x6c, 0x69,
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@ -248,11 +263,12 @@ var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
1, // 1: xray.transport.internet.splithttp.Config.scMaxConcurrentPosts:type_name -> xray.transport.internet.splithttp.RandRangeConfig 1, // 1: xray.transport.internet.splithttp.Config.scMaxConcurrentPosts:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 2: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig 1, // 2: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 3: xray.transport.internet.splithttp.Config.scMinPostsIntervalMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig 1, // 3: xray.transport.internet.splithttp.Config.scMinPostsIntervalMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
4, // [4:4] is the sub-list for method output_type 1, // 4: xray.transport.internet.splithttp.Config.responseOkPadding:type_name -> xray.transport.internet.splithttp.RandRangeConfig
4, // [4:4] is the sub-list for method input_type 5, // [5:5] is the sub-list for method output_type
4, // [4:4] is the sub-list for extension type_name 5, // [5:5] is the sub-list for method input_type
4, // [4:4] is the sub-list for extension extendee 5, // [5:5] is the sub-list for extension type_name
0, // [0:4] is the sub-list for field type_name 5, // [5:5] is the sub-list for extension extendee
0, // [0:5] is the sub-list for field type_name
} }
func init() { file_transport_internet_splithttp_config_proto_init() } func init() { file_transport_internet_splithttp_config_proto_init() }

1
transport/internet/splithttp/config.proto
View File

@ -14,6 +14,7 @@ message Config {
RandRangeConfig scMaxEachPostBytes = 5; RandRangeConfig scMaxEachPostBytes = 5;
RandRangeConfig scMinPostsIntervalMs = 6; RandRangeConfig scMinPostsIntervalMs = 6;
bool noSSEHeader = 7; bool noSSEHeader = 7;
RandRangeConfig responseOkPadding = 8;
} }
message RandRangeConfig { message RandRangeConfig {

5
transport/internet/splithttp/hub.go
View File

@ -124,6 +124,7 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
currentSession := h.upsertSession(sessionId) currentSession := h.upsertSession(sessionId)
scMaxEachPostBytes := int(h.ln.config.GetNormalizedScMaxEachPostBytes().To) scMaxEachPostBytes := int(h.ln.config.GetNormalizedScMaxEachPostBytes().To)
responseOkPadding := h.ln.config.GetNormalizedResponseOkPadding()
if request.Method == "POST" { if request.Method == "POST" {
seq := "" seq := ""
@ -192,6 +193,10 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
// send a chunk immediately to enable CDN streaming. // send a chunk immediately to enable CDN streaming.
// many CDN buffer the response headers until the origin starts sending // many CDN buffer the response headers until the origin starts sending
// the body, with no way to turn it off. // the body, with no way to turn it off.
padding := int(responseOkPadding.roll())
for i := 0; i < padding; i++ {
writer.Write([]byte("o"))
}
writer.Write([]byte("ok")) writer.Write([]byte("ok"))
responseFlusher.Flush() responseFlusher.Flush()