transport: add httpupgrade

This commit is contained in:
Eken Chan 2024-03-03 13:12:38 +08:00 committed by yuhan6665
parent a3f50d0f5d
commit 173b03448f
11 changed files with 524 additions and 21 deletions

View file

@ -7,14 +7,15 @@ import (
)
type TransportConfig struct {
TCPConfig *TCPConfig `json:"tcpSettings"`
KCPConfig *KCPConfig `json:"kcpSettings"`
WSConfig *WebSocketConfig `json:"wsSettings"`
HTTPConfig *HTTPConfig `json:"httpSettings"`
DSConfig *DomainSocketConfig `json:"dsSettings"`
QUICConfig *QUICConfig `json:"quicSettings"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
TCPConfig *TCPConfig `json:"tcpSettings"`
KCPConfig *KCPConfig `json:"kcpSettings"`
WSConfig *WebSocketConfig `json:"wsSettings"`
HTTPConfig *HTTPConfig `json:"httpSettings"`
DSConfig *DomainSocketConfig `json:"dsSettings"`
QUICConfig *QUICConfig `json:"quicSettings"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADEConfig *HttpUpgradeConfig `json:"httpupgradeSettings"`
}
// Build implements Buildable.
@ -101,5 +102,16 @@ func (c *TransportConfig) Build() (*global.Config, error) {
})
}
if c.HTTPUPGRADEConfig != nil {
hs, err := c.HTTPUPGRADEConfig.Build()
if err != nil {
return nil, newError("failed to build HttpUpgrade config").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "httpupgrade",
Settings: serial.ToTypedMessage(hs),
})
}
return config, nil
}

View file

@ -19,6 +19,7 @@ import (
"github.com/xtls/xray-core/transport/internet/domainsocket"
httpheader "github.com/xtls/xray-core/transport/internet/headers/http"
"github.com/xtls/xray-core/transport/internet/http"
"github.com/xtls/xray-core/transport/internet/httpupgrade"
"github.com/xtls/xray-core/transport/internet/kcp"
"github.com/xtls/xray-core/transport/internet/quic"
"github.com/xtls/xray-core/transport/internet/reality"
@ -181,6 +182,24 @@ func (c *WebSocketConfig) Build() (proto.Message, error) {
return config, nil
}
type HttpUpgradeConfig struct {
Path string `json:"path"`
Host string `json:"host"`
AcceptProxyProtocol bool `json:"acceptProxyProtocol"`
}
// Build implements Buildable.
func (c *HttpUpgradeConfig) Build() (proto.Message, error) {
config := &httpupgrade.Config{
Path: c.Path,
Host: c.Host,
}
if c.AcceptProxyProtocol {
config.AcceptProxyProtocol = c.AcceptProxyProtocol
}
return config, nil
}
type HTTPConfig struct {
Host *StringList `json:"host"`
Path string `json:"path"`
@ -606,6 +625,8 @@ func (p TransportProtocol) Build() (string, error) {
return "quic", nil
case "grpc", "gun":
return "grpc", nil
case "httpupgrade":
return "httpupgrade", nil
default:
return "", newError("Config: unknown transport protocol: ", p)
}
@ -706,19 +727,20 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
}
type StreamConfig struct {
Network *TransportProtocol `json:"network"`
Security string `json:"security"`
TLSSettings *TLSConfig `json:"tlsSettings"`
REALITYSettings *REALITYConfig `json:"realitySettings"`
TCPSettings *TCPConfig `json:"tcpSettings"`
KCPSettings *KCPConfig `json:"kcpSettings"`
WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"`
DSSettings *DomainSocketConfig `json:"dsSettings"`
QUICSettings *QUICConfig `json:"quicSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
Network *TransportProtocol `json:"network"`
Security string `json:"security"`
TLSSettings *TLSConfig `json:"tlsSettings"`
REALITYSettings *REALITYConfig `json:"realitySettings"`
TCPSettings *TCPConfig `json:"tcpSettings"`
KCPSettings *KCPConfig `json:"kcpSettings"`
WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"`
DSSettings *DomainSocketConfig `json:"dsSettings"`
QUICSettings *QUICConfig `json:"quicSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADESettings *HttpUpgradeConfig `json:"httpupgradeSettings"`
}
// Build implements Buildable.
@ -839,6 +861,16 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
Settings: serial.ToTypedMessage(gs),
})
}
if c.HTTPUPGRADESettings != nil {
hs, err := c.HTTPUPGRADESettings.Build()
if err != nil {
return nil, newError("Failed to build HttpUpgrade config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "httpupgrade",
Settings: serial.ToTypedMessage(hs),
})
}
if c.SocketSettings != nil {
ss, err := c.SocketSettings.Build()
if err != nil {

View file

@ -544,6 +544,9 @@ func applyTransportConfig(s *StreamConfig, t *TransportConfig) {
if s.DSSettings == nil {
s.DSSettings = t.DSConfig
}
if s.HTTPUPGRADESettings == nil {
s.HTTPUPGRADESettings = t.HTTPUPGRADEConfig
}
}
// Build implements Buildable.

View file

@ -53,6 +53,7 @@ import (
_ "github.com/xtls/xray-core/transport/internet/domainsocket"
_ "github.com/xtls/xray-core/transport/internet/grpc"
_ "github.com/xtls/xray-core/transport/internet/http"
_ "github.com/xtls/xray-core/transport/internet/httpupgrade"
_ "github.com/xtls/xray-core/transport/internet/kcp"
_ "github.com/xtls/xray-core/transport/internet/quic"
_ "github.com/xtls/xray-core/transport/internet/reality"

View file

@ -0,0 +1,12 @@
package httpupgrade
func (c *Config) GetNormalizedPath() string {
path := c.Path
if path == "" {
return "/"
}
if path[0] != '/' {
return "/" + path
}
return path
}

View file

@ -0,0 +1,174 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.32.0
// protoc v4.25.1
// source: transport/internet/httpupgrade/config.proto
package httpupgrade
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type Config struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
Host string `protobuf:"bytes,3,opt,name=host,proto3" json:"host,omitempty"`
AcceptProxyProtocol bool `protobuf:"varint,4,opt,name=accept_proxy_protocol,json=acceptProxyProtocol,proto3" json:"accept_proxy_protocol,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_httpupgrade_config_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Config) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Config) ProtoMessage() {}
func (x *Config) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_httpupgrade_config_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Config.ProtoReflect.Descriptor instead.
func (*Config) Descriptor() ([]byte, []int) {
return file_transport_internet_httpupgrade_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetPath() string {
if x != nil {
return x.Path
}
return ""
}
func (x *Config) GetHost() string {
if x != nil {
return x.Host
}
return ""
}
func (x *Config) GetAcceptProxyProtocol() bool {
if x != nil {
return x.AcceptProxyProtocol
}
return false
}
var File_transport_internet_httpupgrade_config_proto protoreflect.FileDescriptor
var file_transport_internet_httpupgrade_config_proto_rawDesc = []byte{
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0x6f, 0x74, 0x6f, 0x33,
}
var (
file_transport_internet_httpupgrade_config_proto_rawDescOnce sync.Once
file_transport_internet_httpupgrade_config_proto_rawDescData = file_transport_internet_httpupgrade_config_proto_rawDesc
)
func file_transport_internet_httpupgrade_config_proto_rawDescGZIP() []byte {
file_transport_internet_httpupgrade_config_proto_rawDescOnce.Do(func() {
file_transport_internet_httpupgrade_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_httpupgrade_config_proto_rawDescData)
})
return file_transport_internet_httpupgrade_config_proto_rawDescData
}
var file_transport_internet_httpupgrade_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_transport_internet_httpupgrade_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.transport.internet.httpupgrade.Config
}
var file_transport_internet_httpupgrade_config_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_transport_internet_httpupgrade_config_proto_init() }
func file_transport_internet_httpupgrade_config_proto_init() {
if File_transport_internet_httpupgrade_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_transport_internet_httpupgrade_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Config); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_httpupgrade_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_transport_internet_httpupgrade_config_proto_goTypes,
DependencyIndexes: file_transport_internet_httpupgrade_config_proto_depIdxs,
MessageInfos: file_transport_internet_httpupgrade_config_proto_msgTypes,
}.Build()
File_transport_internet_httpupgrade_config_proto = out.File
file_transport_internet_httpupgrade_config_proto_rawDesc = nil
file_transport_internet_httpupgrade_config_proto_goTypes = nil
file_transport_internet_httpupgrade_config_proto_depIdxs = nil
}

View file

@ -0,0 +1,16 @@
syntax = "proto3";
package xray.transport.internet.httpupgrade;
option csharp_namespace = "Xray.Transport.Internet.HttpUpgrade";
option go_package = "github.com/xtls/xray-core/transport/internet/httpupgrade";
option java_package = "com.xray.transport.internet.httpupgrade";
option java_multiple_files = true;
message Config {
reserved 1;
string path = 2;
string host = 3;
bool accept_proxy_protocol = 4;
}

View file

@ -0,0 +1,87 @@
package httpupgrade
import (
"bufio"
"context"
"net/http"
"net/url"
"strings"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
)
func dialhttpUpgrade(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
transportConfiguration := streamSettings.ProtocolSettings.(*Config)
pconn, err := internet.DialSystem(ctx, dest, streamSettings.SocketSettings)
if err != nil {
newError("failed to dial to ", dest).Base(err).AtError().WriteToLog()
return nil, err
}
var conn net.Conn
var requestURL url.URL
if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
tlsConfig := config.GetTLSConfig(tls.WithDestination(dest), tls.WithNextProto("http/1.1"))
if fingerprint := tls.GetFingerprint(config.Fingerprint); fingerprint != nil {
conn = tls.UClient(pconn, tlsConfig, fingerprint)
if err := conn.(*tls.UConn).WebsocketHandshakeContext(ctx); err != nil {
return nil, err
}
} else {
conn = tls.Client(pconn, tlsConfig)
}
requestURL.Scheme = "https"
} else {
requestURL.Scheme = "http"
}
requestURL.Host = dest.NetAddr()
requestURL.Path = transportConfiguration.GetNormalizedPath()
req := &http.Request{
Method: http.MethodGet,
URL: &requestURL,
Host: transportConfiguration.Host,
Header: make(http.Header),
}
req.Header.Set("Connection", "upgrade")
req.Header.Set("Upgrade", "websocket")
err = req.Write(conn)
if err != nil {
return nil, err
}
// TODO The bufio usage here is unreliable
resp, err := http.ReadResponse(bufio.NewReader(conn), req) // nolint:bodyclose
if err != nil {
return nil, err
}
if resp.Status == "101 Switching Protocols" &&
strings.ToLower(resp.Header.Get("Upgrade")) == "websocket" &&
strings.ToLower(resp.Header.Get("Connection")) == "upgrade" {
return conn, nil
}
return nil, newError("unrecognized reply")
}
func dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
conn, err := dialhttpUpgrade(ctx, dest, streamSettings)
if err != nil {
return nil, newError("failed to dial request to ", dest).Base(err)
}
return stat.Connection(conn), nil
}
func init() {
common.Must(internet.RegisterTransportDialer(protocolName, dial))
}

View file

@ -0,0 +1,9 @@
package httpupgrade
import "github.com/xtls/xray-core/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

View file

@ -0,0 +1,17 @@
package httpupgrade
import (
"context"
"github.com/xtls/xray-core/common"
)
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
const protocolName = "httpupgrade"
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return nil, newError("httpupgrade is a transport protocol.")
}))
}

View file

@ -0,0 +1,140 @@
package httpupgrade
import (
"bufio"
"context"
"crypto/tls"
"net/http"
"strings"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
v2tls "github.com/xtls/xray-core/transport/internet/tls"
)
type server struct {
config *Config
addConn internet.ConnHandler
innnerListener net.Listener
}
func (s *server) Close() error {
return s.innnerListener.Close()
}
func (s *server) Addr() net.Addr {
return nil
}
func (s *server) Handle(conn net.Conn) (stat.Connection, error) {
connReader := bufio.NewReader(conn)
req, err := http.ReadRequest(connReader)
if err != nil {
return nil, err
}
if s.config != nil {
host := req.Host
if len(s.config.Host) > 0 && host != s.config.Host {
return nil, newError("bad host: ", host)
}
path := s.config.GetNormalizedPath()
if req.URL.Path != path {
return nil, newError("bad path: ", req.URL.Path)
}
}
connection := strings.ToLower(req.Header.Get("Connection"))
upgrade := strings.ToLower(req.Header.Get("Upgrade"))
if connection != "upgrade" || upgrade != "websocket" {
_ = conn.Close()
return nil, newError("unrecognized request")
}
resp := &http.Response{
Status: "101 Switching Protocols",
StatusCode: 101,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: http.Header{},
}
resp.Header.Set("Connection", "upgrade")
resp.Header.Set("Upgrade", "websocket")
err = resp.Write(conn)
if err != nil {
_ = conn.Close()
return nil, err
}
return stat.Connection(conn), nil
}
func (s *server) keepAccepting() {
for {
conn, err := s.innnerListener.Accept()
if err != nil {
return
}
handledConn, err := s.Handle(conn)
if err != nil {
newError("failed to handle request").Base(err).WriteToLog()
continue
}
s.addConn(handledConn)
}
}
func listenHTTPUpgrade(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, addConn internet.ConnHandler) (internet.Listener, error) {
transportConfiguration := streamSettings.ProtocolSettings.(*Config)
if transportConfiguration != nil {
if streamSettings.SocketSettings == nil {
streamSettings.SocketSettings = &internet.SocketConfig{}
}
streamSettings.SocketSettings.AcceptProxyProtocol = transportConfiguration.AcceptProxyProtocol || streamSettings.SocketSettings.AcceptProxyProtocol
}
var listener net.Listener
var err error
if port == net.Port(0) { // unix
listener, err = internet.ListenSystem(ctx, &net.UnixAddr{
Name: address.Domain(),
Net: "unix",
}, streamSettings.SocketSettings)
if err != nil {
return nil, newError("failed to listen unix domain socket(for HttpUpgrade) on ", address).Base(err)
}
newError("listening unix domain socket(for HttpUpgrade) on ", address).WriteToLog(session.ExportIDToError(ctx))
} else { // tcp
listener, err = internet.ListenSystem(ctx, &net.TCPAddr{
IP: address.IP(),
Port: int(port),
}, streamSettings.SocketSettings)
if err != nil {
return nil, newError("failed to listen TCP(for HttpUpgrade) on ", address, ":", port).Base(err)
}
newError("listening TCP(for HttpUpgrade) on ", address, ":", port).WriteToLog(session.ExportIDToError(ctx))
}
if streamSettings.SocketSettings != nil && streamSettings.SocketSettings.AcceptProxyProtocol {
newError("accepting PROXY protocol").AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
if config := v2tls.ConfigFromStreamSettings(streamSettings); config != nil {
if tlsConfig := config.GetTLSConfig(); tlsConfig != nil {
listener = tls.NewListener(listener, tlsConfig)
}
}
serverInstance := &server{
config: transportConfiguration,
addConn: addConn,
innnerListener: listener,
}
go serverInstance.keepAccepting()
return serverInstance, nil
}
func init() {
common.Must(internet.RegisterTransportListener(protocolName, listenHTTPUpgrade))
}