mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-22 23:13:01 +00:00
SplitHTTP server: add ok padding (#3614)
This commit is contained in:
parent
4c82ef8a1b
commit
4b7947cca9
@ -229,10 +229,22 @@ type SplitHTTPConfig struct {
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Host string `json:"host"`
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Path string `json:"path"`
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Headers map[string]string `json:"headers"`
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ScMaxConcurrentPosts Int32Range `json:"scMaxConcurrentPosts"`
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ScMaxEachPostBytes Int32Range `json:"scMaxEachPostBytes"`
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ScMinPostsIntervalMs Int32Range `json:"scMinPostsIntervalMs"`
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ScMaxConcurrentPosts *Int32Range `json:"scMaxConcurrentPosts"`
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ScMaxEachPostBytes *Int32Range `json:"scMaxEachPostBytes"`
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ScMinPostsIntervalMs *Int32Range `json:"scMinPostsIntervalMs"`
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NoSSEHeader bool `json:"noSSEHeader"`
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ResponseOkPadding *Int32Range `json:"responseOkPadding"`
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}
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func splithttpNewRandRangeConfig(input *Int32Range) *splithttp.RandRangeConfig {
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if input == nil {
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return nil
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}
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return &splithttp.RandRangeConfig{
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From: input.From,
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To: input.To,
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}
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}
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// Build implements Buildable.
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@ -246,22 +258,14 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
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c.Host = c.Headers["Host"]
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}
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config := &splithttp.Config{
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Path: c.Path,
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Host: c.Host,
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Header: c.Headers,
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ScMaxConcurrentPosts: &splithttp.RandRangeConfig{
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From: c.ScMaxConcurrentPosts.From,
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To: c.ScMaxConcurrentPosts.To,
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},
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ScMaxEachPostBytes: &splithttp.RandRangeConfig{
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From: c.ScMaxEachPostBytes.From,
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To: c.ScMaxEachPostBytes.To,
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},
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ScMinPostsIntervalMs: &splithttp.RandRangeConfig{
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From: c.ScMinPostsIntervalMs.From,
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To: c.ScMinPostsIntervalMs.To,
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},
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NoSSEHeader: c.NoSSEHeader,
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Path: c.Path,
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Host: c.Host,
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Header: c.Headers,
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ScMaxConcurrentPosts: splithttpNewRandRangeConfig(c.ScMaxConcurrentPosts),
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ScMaxEachPostBytes: splithttpNewRandRangeConfig(c.ScMaxEachPostBytes),
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ScMinPostsIntervalMs: splithttpNewRandRangeConfig(c.ScMinPostsIntervalMs),
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NoSSEHeader: c.NoSSEHeader,
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ResponseOkPadding: splithttpNewRandRangeConfig(c.ResponseOkPadding),
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}
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return config, nil
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}
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@ -69,6 +69,17 @@ func (c *Config) GetNormalizedScMinPostsIntervalMs() RandRangeConfig {
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return *c.ScMinPostsIntervalMs
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}
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func (c *Config) GetNormalizedResponseOkPadding() RandRangeConfig {
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if c.ResponseOkPadding == nil || c.ResponseOkPadding.To == 0 {
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return RandRangeConfig{
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From: 100,
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To: 1000,
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}
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}
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return *c.ResponseOkPadding
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}
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func init() {
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common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
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return new(Config)
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@ -32,6 +32,7 @@ type Config struct {
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ScMaxEachPostBytes *RandRangeConfig `protobuf:"bytes,5,opt,name=scMaxEachPostBytes,proto3" json:"scMaxEachPostBytes,omitempty"`
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ScMinPostsIntervalMs *RandRangeConfig `protobuf:"bytes,6,opt,name=scMinPostsIntervalMs,proto3" json:"scMinPostsIntervalMs,omitempty"`
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NoSSEHeader bool `protobuf:"varint,7,opt,name=noSSEHeader,proto3" json:"noSSEHeader,omitempty"`
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ResponseOkPadding *RandRangeConfig `protobuf:"bytes,8,opt,name=responseOkPadding,proto3" json:"responseOkPadding,omitempty"`
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}
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func (x *Config) Reset() {
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@ -115,6 +116,13 @@ func (x *Config) GetNoSSEHeader() bool {
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return false
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}
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func (x *Config) GetResponseOkPadding() *RandRangeConfig {
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if x != nil {
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return x.ResponseOkPadding
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}
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return nil
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}
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type RandRangeConfig struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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@ -177,7 +185,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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@ -186,27 +194,34 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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@ -248,11 +263,12 @@ var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
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1, // 1: xray.transport.internet.splithttp.Config.scMaxConcurrentPosts:type_name -> xray.transport.internet.splithttp.RandRangeConfig
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1, // 2: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
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1, // 3: xray.transport.internet.splithttp.Config.scMinPostsIntervalMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
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4, // [4:4] is the sub-list for method output_type
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4, // [4:4] is the sub-list for method input_type
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4, // [4:4] is the sub-list for extension type_name
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4, // [4:4] is the sub-list for extension extendee
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0, // [0:4] is the sub-list for field type_name
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1, // 4: xray.transport.internet.splithttp.Config.responseOkPadding:type_name -> xray.transport.internet.splithttp.RandRangeConfig
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5, // [5:5] is the sub-list for method output_type
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5, // [5:5] is the sub-list for method input_type
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5, // [5:5] is the sub-list for extension type_name
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5, // [5:5] is the sub-list for extension extendee
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0, // [0:5] is the sub-list for field type_name
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}
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func init() { file_transport_internet_splithttp_config_proto_init() }
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@ -14,6 +14,7 @@ message Config {
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RandRangeConfig scMaxEachPostBytes = 5;
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RandRangeConfig scMinPostsIntervalMs = 6;
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bool noSSEHeader = 7;
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RandRangeConfig responseOkPadding = 8;
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}
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message RandRangeConfig {
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@ -124,6 +124,7 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
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currentSession := h.upsertSession(sessionId)
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scMaxEachPostBytes := int(h.ln.config.GetNormalizedScMaxEachPostBytes().To)
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responseOkPadding := h.ln.config.GetNormalizedResponseOkPadding()
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if request.Method == "POST" {
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seq := ""
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@ -192,6 +193,10 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
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// send a chunk immediately to enable CDN streaming.
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// many CDN buffer the response headers until the origin starts sending
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// the body, with no way to turn it off.
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padding := int(responseOkPadding.roll())
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for i := 0; i < padding; i++ {
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writer.Write([]byte("o"))
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}
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writer.Write([]byte("ok"))
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responseFlusher.Flush()
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