风扇滑翔翼 2026-06-09 23:58:02 +08:00 committed by GitHub
parent 26a022c905
commit e10347bf01
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6 changed files with 159 additions and 71 deletions

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@ -6,6 +6,7 @@ import (
"encoding/hex"
"encoding/json"
"math"
"math/big"
"net/netip"
"net/url"
"os"
@ -219,8 +220,10 @@ type SplitHTTPConfig struct {
XPaddingPlacement string `json:"xPaddingPlacement"`
XPaddingMethod string `json:"xPaddingMethod"`
UplinkHTTPMethod string `json:"uplinkHTTPMethod"`
SessionPlacement string `json:"sessionPlacement"`
SessionKey string `json:"sessionKey"`
SessionIDPlacement string `json:"sessionIDPlacement"`
SessionIDKey string `json:"sessionIDKey"`
SessionIDTable string `json:"sessionIDTable"`
SessionIDLength Int32Range `json:"sessionIDLength"`
SeqPlacement string `json:"seqPlacement"`
SeqKey string `json:"seqKey"`
UplinkDataPlacement string `json:"uplinkDataPlacement"`
@ -331,12 +334,12 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
return nil, errors.New("uplinkHTTPMethod can be GET only in packet-up mode")
}
switch c.SessionPlacement {
switch c.SessionIDPlacement {
case "":
c.SessionPlacement = "path"
c.SessionIDPlacement = "path"
case "path", "cookie", "header", "query":
default:
return nil, errors.New("unsupported session placement: " + c.SessionPlacement)
return nil, errors.New("unsupported session placement: " + c.SessionIDPlacement)
}
switch c.SeqPlacement {
@ -347,12 +350,31 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
return nil, errors.New("unsupported seq placement: " + c.SeqPlacement)
}
if c.SessionPlacement != "path" && c.SessionKey == "" {
switch c.SessionPlacement {
if c.SessionIDPlacement != "path" && c.SessionIDKey == "" {
switch c.SessionIDPlacement {
case "cookie", "query":
c.SessionKey = "x_session"
c.SessionIDKey = "x_session"
case "header":
c.SessionKey = "X-Session"
c.SessionIDKey = "X-Session"
}
}
if c.SessionIDTable != "" {
if predefined, ok := splithttp.PredefinedTable[c.SessionIDTable]; ok {
c.SessionIDTable = predefined
}
room := roomSize(len(c.SessionIDTable), c.SessionIDLength.From, c.SessionIDLength.To)
// 2.1B possiblities should be enough
if room.Cmp(big.NewInt(2<<30)) < 0 {
return nil, errors.New("sessionIDTable or sessionIDLength is too small")
}
if c.SessionIDLength.From <= 0 {
return nil, errors.New("sessionIDLength.from must be greater than 0")
}
for i := 0; i < len(c.SessionIDTable); i++ {
if c.SessionIDTable[i] >= 0x80 {
return nil, errors.New("sessionIDTable must contain only ASCII characters")
}
}
}
@ -402,9 +424,9 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
XPaddingPlacement: c.XPaddingPlacement,
XPaddingMethod: c.XPaddingMethod,
UplinkHTTPMethod: c.UplinkHTTPMethod,
SessionPlacement: c.SessionPlacement,
SessionIDPlacement: c.SessionIDPlacement,
SeqPlacement: c.SeqPlacement,
SessionKey: c.SessionKey,
SessionIDKey: c.SessionIDKey,
SeqKey: c.SeqKey,
UplinkDataPlacement: c.UplinkDataPlacement,
UplinkDataKey: c.UplinkDataKey,
@ -416,6 +438,8 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
ScMaxBufferedPosts: c.ScMaxBufferedPosts,
ScStreamUpServerSecs: newRangeConfig(c.ScStreamUpServerSecs),
ServerMaxHeaderBytes: c.ServerMaxHeaderBytes,
SessionIDTable: c.SessionIDTable,
SessionIDLength: newRangeConfig(c.SessionIDLength),
Xmux: &splithttp.XmuxConfig{
MaxConcurrency: newRangeConfig(c.Xmux.MaxConcurrency),
MaxConnections: newRangeConfig(c.Xmux.MaxConnections),
@ -439,6 +463,17 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
return config, nil
}
func roomSize(tableSize int, min, max int32) *big.Int {
base := big.NewInt(int64(tableSize))
sum := new(big.Int)
term := new(big.Int)
for k := min; k <= max; k++ {
term.Exp(base, big.NewInt(int64(k)), nil)
sum.Add(sum, term)
}
return sum
}
const (
Byte = 1
Kilobyte = 1024 * Byte

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@ -4,6 +4,7 @@ import (
"encoding/base64"
"fmt"
"io"
"math/rand/v2"
"net/http"
"strings"
@ -11,6 +12,7 @@ import (
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/crypto"
"github.com/xtls/xray-core/common/utils"
"github.com/xtls/xray-core/common/uuid"
"github.com/xtls/xray-core/transport/internet"
)
@ -131,26 +133,26 @@ func (c *Config) GetNormalizedUplinkHTTPMethod() string {
return c.UplinkHTTPMethod
}
func (c *Config) GetNormalizedScMaxEachPostBytes() RangeConfig {
func (c *Config) GetNormalizedScMaxEachPostBytes() *RangeConfig {
if c.ScMaxEachPostBytes == nil || c.ScMaxEachPostBytes.To == 0 {
return RangeConfig{
return &RangeConfig{
From: 1000000,
To: 1000000,
}
}
return *c.ScMaxEachPostBytes
return c.ScMaxEachPostBytes
}
func (c *Config) GetNormalizedScMinPostsIntervalMs() RangeConfig {
func (c *Config) GetNormalizedScMinPostsIntervalMs() *RangeConfig {
if c.ScMinPostsIntervalMs == nil || c.ScMinPostsIntervalMs.To == 0 {
return RangeConfig{
return &RangeConfig{
From: 30,
To: 30,
}
}
return *c.ScMinPostsIntervalMs
return c.ScMinPostsIntervalMs
}
func (c *Config) GetNormalizedScMaxBufferedPosts() int {
@ -161,27 +163,27 @@ func (c *Config) GetNormalizedScMaxBufferedPosts() int {
return int(c.ScMaxBufferedPosts)
}
func (c *Config) GetNormalizedScStreamUpServerSecs() RangeConfig {
func (c *Config) GetNormalizedScStreamUpServerSecs() *RangeConfig {
if c.ScStreamUpServerSecs == nil || c.ScStreamUpServerSecs.To == 0 {
return RangeConfig{
return &RangeConfig{
From: 20,
To: 80,
}
}
return *c.ScStreamUpServerSecs
return c.ScStreamUpServerSecs
}
func (c *Config) GetNormalizedUplinkChunkSize() RangeConfig {
func (c *Config) GetNormalizedUplinkChunkSize() *RangeConfig {
if c.UplinkChunkSize == nil || c.UplinkChunkSize.To == 0 {
switch c.UplinkDataPlacement {
case PlacementCookie:
return RangeConfig{
return &RangeConfig{
From: 2 * 1024, // 2 KiB
To: 3 * 1024, // 3 KiB
}
case PlacementHeader:
return RangeConfig{
return &RangeConfig{
From: 3 * 1000, // 3 KB
To: 4 * 1000, // 4 KB
}
@ -189,13 +191,13 @@ func (c *Config) GetNormalizedUplinkChunkSize() RangeConfig {
return c.GetNormalizedScMaxEachPostBytes()
}
} else if c.UplinkChunkSize.From < 64 {
return RangeConfig{
return &RangeConfig{
From: 64,
To: max(64, c.UplinkChunkSize.To),
}
}
return *c.UplinkChunkSize
return c.UplinkChunkSize
}
func (c *Config) GetNormalizedServerMaxHeaderBytes() int {
@ -207,10 +209,10 @@ func (c *Config) GetNormalizedServerMaxHeaderBytes() int {
}
func (c *Config) GetNormalizedSessionPlacement() string {
if c.SessionPlacement == "" {
if c.SessionIDPlacement == "" {
return PlacementPath
}
return c.SessionPlacement
return c.SessionIDPlacement
}
func (c *Config) GetNormalizedSeqPlacement() string {
@ -228,8 +230,8 @@ func (c *Config) GetNormalizedUplinkDataPlacement() string {
}
func (c *Config) GetNormalizedSessionKey() string {
if c.SessionKey != "" {
return c.SessionKey
if c.SessionIDKey != "" {
return c.SessionIDKey
}
switch c.GetNormalizedSessionPlacement() {
case PlacementHeader:
@ -417,59 +419,59 @@ func (c *Config) ExtractMetaFromRequest(req *http.Request, path string) (session
return sessionId, seqStr
}
func (m *XmuxConfig) GetNormalizedMaxConcurrency() RangeConfig {
func (m *XmuxConfig) GetNormalizedMaxConcurrency() *RangeConfig {
if m.MaxConcurrency == nil {
return RangeConfig{
return &RangeConfig{
From: 0,
To: 0,
}
}
return *m.MaxConcurrency
return m.MaxConcurrency
}
func (m *XmuxConfig) GetNormalizedMaxConnections() RangeConfig {
func (m *XmuxConfig) GetNormalizedMaxConnections() *RangeConfig {
if m.MaxConnections == nil {
return RangeConfig{
return &RangeConfig{
From: 0,
To: 0,
}
}
return *m.MaxConnections
return m.MaxConnections
}
func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() RangeConfig {
func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() *RangeConfig {
if m.CMaxReuseTimes == nil {
return RangeConfig{
return &RangeConfig{
From: 0,
To: 0,
}
}
return *m.CMaxReuseTimes
return m.CMaxReuseTimes
}
func (m *XmuxConfig) GetNormalizedHMaxRequestTimes() RangeConfig {
func (m *XmuxConfig) GetNormalizedHMaxRequestTimes() *RangeConfig {
if m.HMaxRequestTimes == nil {
return RangeConfig{
return &RangeConfig{
From: 0,
To: 0,
}
}
return *m.HMaxRequestTimes
return m.HMaxRequestTimes
}
func (m *XmuxConfig) GetNormalizedHMaxReusableSecs() RangeConfig {
func (m *XmuxConfig) GetNormalizedHMaxReusableSecs() *RangeConfig {
if m.HMaxReusableSecs == nil {
return RangeConfig{
return &RangeConfig{
From: 0,
To: 0,
}
}
return *m.HMaxReusableSecs
return m.HMaxReusableSecs
}
func init() {
@ -478,10 +480,44 @@ func init() {
}))
}
func (c RangeConfig) rand() int32 {
func (c *RangeConfig) rand() int32 {
if c == nil {
return 0
}
return int32(crypto.RandBetween(int64(c.From), int64(c.To)))
}
// predefined
var PredefinedTable = map[string]string{
"ALPHABET": "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"Alphabet": "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
"BASE36": "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"Base62": "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
"HEX": "0123456789ABCDEF",
"alphabet": "abcdefghijklmnopqrstuvwxyz",
"base36": "0123456789abcdefghijklmnopqrstuvwxyz",
"hex": "0123456789abcdef",
"number": "0123456789",
}
func (c *Config) GenerateSessionID() string {
length := c.SessionIDLength.rand()
table := c.SessionIDTable
if predefined, ok := PredefinedTable[table]; ok {
table = predefined
}
if table != "" && length > 0 {
id := make([]byte, length)
for i := range id {
id[i] = table[rand.N(len(table))]
}
return string(id)
} else {
uuid := uuid.New()
return uuid.String()
}
}
func appendToPath(path, value string) string {
if strings.HasSuffix(path, "/") {
return path + value

View File

@ -179,14 +179,16 @@ type Config struct {
XPaddingPlacement string `protobuf:"bytes,17,opt,name=xPaddingPlacement,proto3" json:"xPaddingPlacement,omitempty"`
XPaddingMethod string `protobuf:"bytes,18,opt,name=xPaddingMethod,proto3" json:"xPaddingMethod,omitempty"`
UplinkHTTPMethod string `protobuf:"bytes,19,opt,name=uplinkHTTPMethod,proto3" json:"uplinkHTTPMethod,omitempty"`
SessionPlacement string `protobuf:"bytes,20,opt,name=sessionPlacement,proto3" json:"sessionPlacement,omitempty"`
SessionKey string `protobuf:"bytes,21,opt,name=sessionKey,proto3" json:"sessionKey,omitempty"`
SessionIDPlacement string `protobuf:"bytes,20,opt,name=sessionIDPlacement,proto3" json:"sessionIDPlacement,omitempty"`
SessionIDKey string `protobuf:"bytes,21,opt,name=sessionIDKey,proto3" json:"sessionIDKey,omitempty"`
SeqPlacement string `protobuf:"bytes,22,opt,name=seqPlacement,proto3" json:"seqPlacement,omitempty"`
SeqKey string `protobuf:"bytes,23,opt,name=seqKey,proto3" json:"seqKey,omitempty"`
UplinkDataPlacement string `protobuf:"bytes,24,opt,name=uplinkDataPlacement,proto3" json:"uplinkDataPlacement,omitempty"`
UplinkDataKey string `protobuf:"bytes,25,opt,name=uplinkDataKey,proto3" json:"uplinkDataKey,omitempty"`
UplinkChunkSize *RangeConfig `protobuf:"bytes,26,opt,name=uplinkChunkSize,proto3" json:"uplinkChunkSize,omitempty"`
ServerMaxHeaderBytes int32 `protobuf:"varint,27,opt,name=serverMaxHeaderBytes,proto3" json:"serverMaxHeaderBytes,omitempty"`
SessionIDTable string `protobuf:"bytes,28,opt,name=sessionIDTable,proto3" json:"sessionIDTable,omitempty"`
SessionIDLength *RangeConfig `protobuf:"bytes,29,opt,name=sessionIDLength,proto3" json:"sessionIDLength,omitempty"`
unknownFields protoimpl.UnknownFields
sizeCache protoimpl.SizeCache
}
@ -354,16 +356,16 @@ func (x *Config) GetUplinkHTTPMethod() string {
return ""
}
func (x *Config) GetSessionPlacement() string {
func (x *Config) GetSessionIDPlacement() string {
if x != nil {
return x.SessionPlacement
return x.SessionIDPlacement
}
return ""
}
func (x *Config) GetSessionKey() string {
func (x *Config) GetSessionIDKey() string {
if x != nil {
return x.SessionKey
return x.SessionIDKey
}
return ""
}
@ -410,6 +412,20 @@ func (x *Config) GetServerMaxHeaderBytes() int32 {
return 0
}
func (x *Config) GetSessionIDTable() string {
if x != nil {
return x.SessionIDTable
}
return ""
}
func (x *Config) GetSessionIDLength() *RangeConfig {
if x != nil {
return x.SessionIDLength
}
return nil
}
var File_transport_internet_splithttp_config_proto protoreflect.FileDescriptor
const file_transport_internet_splithttp_config_proto_rawDesc = "" +
@ -425,7 +441,7 @@ const file_transport_internet_splithttp_config_proto_rawDesc = "" +
"\x0ecMaxReuseTimes\x18\x03 \x01(\v2..xray.transport.internet.splithttp.RangeConfigR\x0ecMaxReuseTimes\x12Z\n" +
"\x10hMaxRequestTimes\x18\x04 \x01(\v2..xray.transport.internet.splithttp.RangeConfigR\x10hMaxRequestTimes\x12Z\n" +
"\x10hMaxReusableSecs\x18\x05 \x01(\v2..xray.transport.internet.splithttp.RangeConfigR\x10hMaxReusableSecs\x12*\n" +
"\x10hKeepAlivePeriod\x18\x06 \x01(\x03R\x10hKeepAlivePeriod\"\xc2\v\n" +
"\x10hKeepAlivePeriod\x18\x06 \x01(\x03R\x10hKeepAlivePeriod\"\xcc\f\n" +
"\x06Config\x12\x12\n" +
"\x04host\x18\x01 \x01(\tR\x04host\x12\x12\n" +
"\x04path\x18\x02 \x01(\tR\x04path\x12\x12\n" +
@ -446,17 +462,17 @@ const file_transport_internet_splithttp_config_proto_rawDesc = "" +
"\x0exPaddingHeader\x18\x10 \x01(\tR\x0exPaddingHeader\x12,\n" +
"\x11xPaddingPlacement\x18\x11 \x01(\tR\x11xPaddingPlacement\x12&\n" +
"\x0exPaddingMethod\x18\x12 \x01(\tR\x0exPaddingMethod\x12*\n" +
"\x10uplinkHTTPMethod\x18\x13 \x01(\tR\x10uplinkHTTPMethod\x12*\n" +
"\x10sessionPlacement\x18\x14 \x01(\tR\x10sessionPlacement\x12\x1e\n" +
"\n" +
"sessionKey\x18\x15 \x01(\tR\n" +
"sessionKey\x12\"\n" +
"\x10uplinkHTTPMethod\x18\x13 \x01(\tR\x10uplinkHTTPMethod\x12.\n" +
"\x12sessionIDPlacement\x18\x14 \x01(\tR\x12sessionIDPlacement\x12\"\n" +
"\fsessionIDKey\x18\x15 \x01(\tR\fsessionIDKey\x12\"\n" +
"\fseqPlacement\x18\x16 \x01(\tR\fseqPlacement\x12\x16\n" +
"\x06seqKey\x18\x17 \x01(\tR\x06seqKey\x120\n" +
"\x13uplinkDataPlacement\x18\x18 \x01(\tR\x13uplinkDataPlacement\x12$\n" +
"\ruplinkDataKey\x18\x19 \x01(\tR\ruplinkDataKey\x12X\n" +
"\x0fuplinkChunkSize\x18\x1a \x01(\v2..xray.transport.internet.splithttp.RangeConfigR\x0fuplinkChunkSize\x122\n" +
"\x14serverMaxHeaderBytes\x18\x1b \x01(\x05R\x14serverMaxHeaderBytes\x1a:\n" +
"\x14serverMaxHeaderBytes\x18\x1b \x01(\x05R\x14serverMaxHeaderBytes\x12&\n" +
"\x0esessionIDTable\x18\x1c \x01(\tR\x0esessionIDTable\x12X\n" +
"\x0fsessionIDLength\x18\x1d \x01(\v2..xray.transport.internet.splithttp.RangeConfigR\x0fsessionIDLength\x1a:\n" +
"\fHeadersEntry\x12\x10\n" +
"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01B\x85\x01\n" +
@ -496,11 +512,12 @@ var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
1, // 10: xray.transport.internet.splithttp.Config.xmux:type_name -> xray.transport.internet.splithttp.XmuxConfig
4, // 11: xray.transport.internet.splithttp.Config.downloadSettings:type_name -> xray.transport.internet.StreamConfig
0, // 12: xray.transport.internet.splithttp.Config.uplinkChunkSize:type_name -> xray.transport.internet.splithttp.RangeConfig
13, // [13:13] is the sub-list for method output_type
13, // [13:13] is the sub-list for method input_type
13, // [13:13] is the sub-list for extension type_name
13, // [13:13] is the sub-list for extension extendee
0, // [0:13] is the sub-list for field type_name
0, // 13: xray.transport.internet.splithttp.Config.sessionIDLength:type_name -> xray.transport.internet.splithttp.RangeConfig
14, // [14:14] is the sub-list for method output_type
14, // [14:14] is the sub-list for method input_type
14, // [14:14] is the sub-list for extension type_name
14, // [14:14] is the sub-list for extension extendee
0, // [0:14] is the sub-list for field type_name
}
func init() { file_transport_internet_splithttp_config_proto_init() }

View File

@ -42,12 +42,14 @@ message Config {
string xPaddingPlacement = 17;
string xPaddingMethod = 18;
string uplinkHTTPMethod = 19;
string sessionPlacement = 20;
string sessionKey = 21;
string sessionIDPlacement = 20;
string sessionIDKey = 21;
string seqPlacement = 22;
string seqKey = 23;
string uplinkDataPlacement = 24;
string uplinkDataKey = 25;
RangeConfig uplinkChunkSize = 26;
int32 serverMaxHeaderBytes = 27;
string sessionIDTable = 28;
RangeConfig sessionIDLength = 29;
}

View File

@ -24,7 +24,6 @@ import (
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/signal/done"
"github.com/xtls/xray-core/common/uuid"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/browser_dialer"
"github.com/xtls/xray-core/transport/internet/hysteria/congestion"
@ -376,8 +375,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
sessionId := ""
if mode != "stream-one" {
sessionIdUuid := uuid.New()
sessionId = sessionIdUuid.String()
sessionId = transportConfiguration.GenerateSessionID()
}
errors.LogInfo(ctx, fmt.Sprintf("XHTTP is dialing to %s, mode %s, HTTP version %s, host %s", dest, mode, httpVersion, requestURL.Host))

View File

@ -176,15 +176,15 @@ func ApplyPaddingToQuery(u *url.URL, key, value string) {
u.RawQuery = q.Encode()
}
func (c *Config) GetNormalizedXPaddingBytes() RangeConfig {
func (c *Config) GetNormalizedXPaddingBytes() *RangeConfig {
if c.XPaddingBytes == nil || c.XPaddingBytes.To == 0 {
return RangeConfig{
return &RangeConfig{
From: 100,
To: 1000,
}
}
return *c.XPaddingBytes
return c.XPaddingBytes
}
func (c *Config) ApplyXPaddingToHeader(h http.Header, config XPaddingConfig) {