h2 transport

common/interfaces.go

@@ -27,3 +27,16 @@ type HasType interface {
 	// Type returns the type of the object.
 	Type() interface{}
 }
+
+type ChainedClosable []Closable
+
+func NewChainedClosable(c ...Closable) ChainedClosable {
+	return ChainedClosable(c)
+}
+
+func (cc ChainedClosable) Close() error {
+	for _, c := range cc {
+		c.Close()
+	}
+	return nil
+}

testing/tls/tls.go

@@ -29,12 +29,12 @@ func GenerateCertificateForTest() *v2tls.Certificate {
 		Subject: pkix.Name{
 			Organization: []string{"V2Ray Inc"},
 		},
-		NotBefore:             time.Now(),
+		NotBefore:             time.Now().Add(time.Hour * -1),
 		NotAfter:              time.Now().Add(time.Hour),
 		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
 		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
 		BasicConstraintsValid: true,
-		DNSNames:              []string{"www.v2ray.com"},
+		DNSNames:              []string{"www.v2ray.com", "v2ray.com"},
 	}
 
 	derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)

transport/internet/config.pb.go

@@ -23,6 +23,7 @@ const (
 	TransportProtocol_UDP       TransportProtocol = 1
 	TransportProtocol_MKCP      TransportProtocol = 2
 	TransportProtocol_WebSocket TransportProtocol = 3
+	TransportProtocol_HTTP      TransportProtocol = 4
 )
 
 var TransportProtocol_name = map[int32]string{
@@ -30,12 +31,14 @@ var TransportProtocol_name = map[int32]string{
 	1: "UDP",
 	2: "MKCP",
 	3: "WebSocket",
+	4: "HTTP",
 }
 var TransportProtocol_value = map[string]int32{
 	"TCP":       0,
 	"UDP":       1,
 	"MKCP":      2,
 	"WebSocket": 3,
+	"HTTP":      4,
 }
 
 func (x TransportProtocol) String() string {
@@ -138,29 +141,29 @@ func init() {
 func init() { proto.RegisterFile("v2ray.com/core/transport/internet/config.proto", fileDescriptor0) }
 
 var fileDescriptor0 = []byte{
-	// 374 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x91, 0x4d, 0x4b, 0xeb, 0x40,
-	0x14, 0x86, 0x6f, 0x92, 0x72, 0x6f, 0x7a, 0xda, 0x5e, 0xd3, 0x59, 0x15, 0xa1, 0x58, 0x2b, 0x48,
-	0x70, 0x31, 0x29, 0x71, 0xef, 0xa2, 0x71, 0x23, 0x5a, 0x0c, 0x49, 0x55, 0x10, 0xa4, 0xa4, 0xe3,
-	0x18, 0x82, 0x4d, 0xa6, 0x4c, 0x46, 0x31, 0xbf, 0xc7, 0x9d, 0x7b, 0xff, 0x9f, 0xe4, 0x63, 0x86,
-	0xa2, 0x50, 0xba, 0x71, 0x37, 0x64, 0xde, 0xf3, 0x9c, 0x27, 0xef, 0x00, 0x7e, 0x75, 0x79, 0x54,
-	0x60, 0xc2, 0x52, 0x87, 0x30, 0x4e, 0x1d, 0xc1, 0xa3, 0x2c, 0x5f, 0x33, 0x2e, 0x9c, 0x24, 0x13,
-	0x94, 0x67, 0x54, 0x38, 0x84, 0x65, 0x4f, 0x49, 0x8c, 0xd7, 0x9c, 0x09, 0x86, 0x86, 0x32, 0xcf,
-	0x29, 0x56, 0x59, 0x2c, 0xb3, 0xfb, 0x93, 0x6f, 0x38, 0xc2, 0xd2, 0x94, 0x65, 0x4e, 0x4e, 0x79,
-	0x12, 0xad, 0x1c, 0x51, 0xac, 0xe9, 0xe3, 0x22, 0xa5, 0x79, 0x1e, 0xc5, 0xb4, 0x06, 0x8e, 0xdf,
-	0x35, 0xd8, 0x9b, 0x4b, 0x90, 0x57, 0xad, 0x42, 0x57, 0x60, 0x56, 0x97, 0x84, 0xad, 0x06, 0xda,
-	0x48, 0xb3, 0xff, 0xbb, 0x13, 0xbc, 0x75, 0x2f, 0x56, 0x04, 0xbf, 0x99, 0x0b, 0x14, 0x01, 0x4d,
-	0xc1, 0xcc, 0xa9, 0x10, 0x49, 0x16, 0xe7, 0x03, 0x7d, 0xa4, 0xd9, 0x1d, 0xf7, 0x78, 0x93, 0x56,
-	0x2b, 0xe2, 0x5a, 0x11, 0xcf, 0x4b, 0xc5, 0x59, 0x6d, 0x18, 0xa8, 0xb9, 0xf1, 0xa7, 0x0e, 0xdd,
-	0x50, 0x70, 0x1a, 0xa5, 0xbf, 0xa2, 0xf8, 0x00, 0x48, 0x4d, 0x2c, 0x36, 0x64, 0x0d, 0xbb, 0xe3,
-	0xe2, 0x5d, 0xb9, 0xb5, 0x59, 0xd0, 0x57, 0x99, 0xb0, 0x01, 0xa1, 0x23, 0xe8, 0xe5, 0x94, 0xbc,
-	0xf0, 0x44, 0x14, 0x8b, 0xf2, 0x0d, 0x06, 0xc6, 0x48, 0xb3, 0xdb, 0x41, 0x57, 0x7e, 0x2c, 0x7f,
-	0x1a, 0x85, 0xd0, 0x57, 0x21, 0xa5, 0xd0, 0xaa, 0x14, 0x76, 0xed, 0xcb, 0x92, 0x00, 0xb9, 0x79,
-	0x7c, 0x00, 0x1d, 0x9f, 0xb3, 0xb7, 0xa2, 0x69, 0xcd, 0x02, 0x43, 0x44, 0x71, 0x55, 0x58, 0x3b,
-	0x28, 0x8f, 0x27, 0x67, 0xd0, 0xff, 0x51, 0x0c, 0xfa, 0x07, 0xc6, 0xdc, 0xf3, 0xad, 0x3f, 0xe5,
-	0xe1, 0xe6, 0xdc, 0xb7, 0x34, 0x64, 0x42, 0x6b, 0x76, 0xe9, 0xf9, 0x96, 0x8e, 0x7a, 0xd0, 0xbe,
-	0xa3, 0xcb, 0x90, 0x91, 0x67, 0x2a, 0x2c, 0x63, 0x7a, 0x0d, 0x87, 0x84, 0xa5, 0xdb, 0x2b, 0xf2,
-	0xb5, 0x7b, 0x53, 0x9e, 0x3f, 0xf4, 0xe1, 0xad, 0x1b, 0x44, 0x05, 0xf6, 0xca, 0xac, 0x5a, 0x8d,
-	0x2f, 0x9a, 0xfb, 0xe5, 0xdf, 0xea, 0x51, 0x4e, 0xbf, 0x02, 0x00, 0x00, 0xff, 0xff, 0xbf, 0x4a,
-	0x68, 0x51, 0x19, 0x03, 0x00, 0x00,
+	// 379 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x91, 0x4f, 0x4b, 0xf3, 0x40,
+	0x10, 0x87, 0xdf, 0x24, 0xe5, 0x35, 0x9d, 0xb6, 0x9a, 0xee, 0xa9, 0x08, 0xc5, 0x5a, 0x41, 0x82,
+	0x87, 0x4d, 0x89, 0xdf, 0xa0, 0xf1, 0x50, 0xd1, 0x62, 0x48, 0xa2, 0x82, 0x20, 0x25, 0x5d, 0xd7,
+	0x10, 0x6c, 0xb2, 0x65, 0xb3, 0x8a, 0xf9, 0x3c, 0xde, 0xbc, 0xfb, 0xfd, 0x24, 0xff, 0x96, 0xa2,
+	0x50, 0x7a, 0xf1, 0x36, 0x64, 0x7e, 0xf3, 0xcc, 0x93, 0x59, 0xc0, 0x6f, 0x36, 0x0f, 0x73, 0x4c,
+	0x58, 0x62, 0x11, 0xc6, 0xa9, 0x25, 0x78, 0x98, 0x66, 0x6b, 0xc6, 0x85, 0x15, 0xa7, 0x82, 0xf2,
+	0x94, 0x0a, 0x8b, 0xb0, 0xf4, 0x39, 0x8e, 0xf0, 0x9a, 0x33, 0xc1, 0xd0, 0xb0, 0xc9, 0x73, 0x8a,
+	0x65, 0x16, 0x37, 0xd9, 0xc3, 0xc9, 0x0f, 0x1c, 0x61, 0x49, 0xc2, 0x52, 0x2b, 0xa3, 0x3c, 0x0e,
+	0x57, 0x96, 0xc8, 0xd7, 0xf4, 0x69, 0x91, 0xd0, 0x2c, 0x0b, 0x23, 0x5a, 0x01, 0xc7, 0x1f, 0x0a,
+	0x1c, 0x04, 0x0d, 0xc8, 0x29, 0x57, 0xa1, 0x6b, 0xd0, 0xcb, 0x26, 0x61, 0xab, 0x81, 0x32, 0x52,
+	0xcc, 0x7d, 0x7b, 0x82, 0xb7, 0xee, 0xc5, 0x92, 0xe0, 0xd6, 0x73, 0x9e, 0x24, 0xa0, 0x29, 0xe8,
+	0x19, 0x15, 0x22, 0x4e, 0xa3, 0x6c, 0xa0, 0x8e, 0x14, 0xb3, 0x63, 0x9f, 0x6e, 0xd2, 0x2a, 0x45,
+	0x5c, 0x29, 0xe2, 0xa0, 0x50, 0x9c, 0x57, 0x86, 0x9e, 0x9c, 0x1b, 0x7f, 0xa9, 0xd0, 0xf5, 0x05,
+	0xa7, 0x61, 0xf2, 0x27, 0x8a, 0x8f, 0x80, 0xe4, 0xc4, 0x62, 0x43, 0x56, 0x33, 0x3b, 0x36, 0xde,
+	0x95, 0x5b, 0x99, 0x79, 0x7d, 0x99, 0xf1, 0x6b, 0x10, 0x3a, 0x81, 0x5e, 0x46, 0xc9, 0x2b, 0x8f,
+	0x45, 0xbe, 0x28, 0xde, 0x60, 0xa0, 0x8d, 0x14, 0xb3, 0xed, 0x75, 0x9b, 0x8f, 0xc5, 0x4f, 0x23,
+	0x1f, 0xfa, 0x32, 0x24, 0x15, 0x5a, 0xa5, 0xc2, 0xae, 0xf7, 0x32, 0x1a, 0x40, 0xb3, 0x79, 0x7c,
+	0x04, 0x1d, 0x97, 0xb3, 0xf7, 0xbc, 0xbe, 0x9a, 0x01, 0x9a, 0x08, 0xa3, 0xf2, 0x60, 0x6d, 0xaf,
+	0x28, 0xcf, 0x66, 0xd0, 0xff, 0x75, 0x18, 0xb4, 0x07, 0x5a, 0xe0, 0xb8, 0xc6, 0xbf, 0xa2, 0xb8,
+	0xbd, 0x70, 0x0d, 0x05, 0xe9, 0xd0, 0x9a, 0x5f, 0x39, 0xae, 0xa1, 0xa2, 0x1e, 0xb4, 0xef, 0xe9,
+	0xd2, 0x67, 0xe4, 0x85, 0x0a, 0x43, 0x2b, 0x1a, 0xb3, 0x20, 0x70, 0x8d, 0xd6, 0xf4, 0x06, 0x8e,
+	0x09, 0x4b, 0xb6, 0x1f, 0xcb, 0x55, 0x1e, 0xf4, 0xa6, 0xfe, 0x54, 0x87, 0x77, 0xb6, 0x17, 0xe6,
+	0xd8, 0x29, 0xb2, 0x52, 0x02, 0x5f, 0xd6, 0xfd, 0xe5, 0xff, 0xf2, 0x79, 0xce, 0xbf, 0x03, 0x00,
+	0x00, 0xff, 0xff, 0xf3, 0x7b, 0xd5, 0x57, 0x23, 0x03, 0x00, 0x00,
 }

transport/internet/config.proto

@@ -13,6 +13,7 @@ enum TransportProtocol {
   UDP = 1;
   MKCP = 2;
   WebSocket = 3;
+  HTTP = 4;
 }
 
 message TransportConfig {

transport/internet/http/config.go

@@ -0,0 +1,12 @@
+package http
+
+import (
+	"v2ray.com/core/common"
+	"v2ray.com/core/transport/internet"
+)
+
+func init() {
+	common.Must(internet.RegisterProtocolConfigCreator(internet.TransportProtocol_HTTP, func() interface{} {
+		return new(Config)
+	}))
+}

transport/internet/http/config.pb.go

@@ -0,0 +1,63 @@
+package http
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Config struct {
+	Host []string `protobuf:"bytes,1,rep,name=host" json:"host,omitempty"`
+	Path string   `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
+}
+
+func (m *Config) Reset()                    { *m = Config{} }
+func (m *Config) String() string            { return proto.CompactTextString(m) }
+func (*Config) ProtoMessage()               {}
+func (*Config) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *Config) GetHost() []string {
+	if m != nil {
+		return m.Host
+	}
+	return nil
+}
+
+func (m *Config) GetPath() string {
+	if m != nil {
+		return m.Path
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Config)(nil), "v2ray.core.transport.internet.http.Config")
+}
+
+func init() {
+	proto.RegisterFile("v2ray.com/core/transport/internet/http/config.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
+	// 173 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x32, 0x2e, 0x33, 0x2a, 0x4a,
+	0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x2f, 0x29, 0x4a, 0xcc, 0x2b,
+	0x2e, 0xc8, 0x2f, 0x2a, 0xd1, 0xcf, 0xcc, 0x2b, 0x49, 0x2d, 0xca, 0x4b, 0x2d, 0xd1, 0xcf, 0x28,
+	0x29, 0x29, 0xd0, 0x4f, 0xce, 0xcf, 0x4b, 0xcb, 0x4c, 0xd7, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17,
+	0x52, 0x82, 0x69, 0x2a, 0x4a, 0xd5, 0x83, 0x6b, 0xd0, 0x83, 0x69, 0xd0, 0x03, 0x69, 0x50, 0x32,
+	0xe0, 0x62, 0x73, 0x06, 0xeb, 0x11, 0x12, 0xe2, 0x62, 0xc9, 0xc8, 0x2f, 0x2e, 0x91, 0x60, 0x54,
+	0x60, 0xd6, 0xe0, 0x0c, 0x02, 0xb3, 0x41, 0x62, 0x05, 0x89, 0x25, 0x19, 0x12, 0x4c, 0x0a, 0x8c,
+	0x20, 0x31, 0x10, 0xdb, 0x29, 0x94, 0x4b, 0x2d, 0x39, 0x3f, 0x57, 0x8f, 0xb0, 0xd9, 0x01, 0x8c,
+	0x51, 0x2c, 0x20, 0x7a, 0x15, 0x93, 0x52, 0x98, 0x51, 0x50, 0x62, 0xa5, 0x9e, 0x33, 0x48, 0x71,
+	0x08, 0x5c, 0xb1, 0x27, 0x4c, 0xb1, 0x47, 0x49, 0x49, 0x41, 0x12, 0x1b, 0xd8, 0xcd, 0xc6, 0x80,
+	0x00, 0x00, 0x00, 0xff, 0xff, 0xdc, 0xf2, 0x95, 0x63, 0xea, 0x00, 0x00, 0x00,
+}

transport/internet/http/config.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+package v2ray.core.transport.internet.http;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Http";
+option go_package = "http";
+option java_package = "com.v2ray.core.transport.internet.http";
+option java_multiple_files = true;
+
+message Config {
+  repeated string host = 1;
+  string path = 2;
+}

transport/internet/http/connection.go

@@ -0,0 +1,49 @@
+package http
+
+import (
+	"io"
+	"time"
+
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/net"
+)
+
+type Connection struct {
+	Reader io.Reader
+	Writer io.Writer
+	Closer common.Closable
+	Local  net.Addr
+	Remote net.Addr
+}
+
+func (c *Connection) Read(b []byte) (int, error) {
+	return c.Reader.Read(b)
+}
+
+func (c *Connection) Write(b []byte) (int, error) {
+	return c.Writer.Write(b)
+}
+
+func (c *Connection) Close() error {
+	return c.Closer.Close()
+}
+
+func (c *Connection) LocalAddr() net.Addr {
+	return c.Local
+}
+
+func (c *Connection) RemoteAddr() net.Addr {
+	return c.Remote
+}
+
+func (c *Connection) SetDeadline(t time.Time) error {
+	return nil
+}
+
+func (c *Connection) SetReadDeadline(t time.Time) error {
+	return nil
+}
+
+func (c *Connection) SetWriteDeadline(t time.Time) error {
+	return nil
+}

transport/internet/http/dialer.go

@@ -0,0 +1,115 @@
+package http
+
+import (
+	"context"
+	gotls "crypto/tls"
+	"io"
+	"net/http"
+	"net/url"
+	"sync"
+
+	"golang.org/x/net/http2"
+
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/transport/internet"
+	"v2ray.com/core/transport/internet/tls"
+)
+
+var (
+	globalDialerMap    = make(map[net.Destination]*http.Client)
+	globalDailerAccess sync.Mutex
+)
+
+func getHTTPClient(ctx context.Context, dest net.Destination) (*http.Client, error) {
+	globalDailerAccess.Lock()
+	defer globalDailerAccess.Unlock()
+
+	if client, found := globalDialerMap[dest]; found {
+		return client, nil
+	}
+
+	config := tls.ConfigFromContext(ctx)
+	if config == nil {
+		return nil, newError("TLS must be enabled for http transport.").AtWarning()
+	}
+
+	transport := &http2.Transport{
+		DialTLS: func(network string, addr string, tlsConfig *gotls.Config) (net.Conn, error) {
+			rawHost, rawPort, err := net.SplitHostPort(addr)
+			if err != nil {
+				return nil, err
+			}
+			if len(rawPort) == 0 {
+				rawPort = "443"
+			}
+			port, err := net.PortFromString(rawPort)
+			if err != nil {
+				return nil, err
+			}
+			address := net.ParseAddress(rawHost)
+
+			pconn, err := internet.DialSystem(context.Background(), nil, net.TCPDestination(address, port))
+			if err != nil {
+				return nil, err
+			}
+			return gotls.Client(pconn, tlsConfig), nil
+		},
+		TLSClientConfig: config.GetTLSConfig(tls.WithDestination(dest), tls.WithNextProto("h2")),
+	}
+
+	client := &http.Client{
+		Transport: transport,
+	}
+
+	globalDialerMap[dest] = client
+	return client, nil
+}
+
+// Dial dials a new TCP connection to the given destination.
+func Dial(ctx context.Context, dest net.Destination) (internet.Connection, error) {
+	client, err := getHTTPClient(ctx, dest)
+	if err != nil {
+		return nil, err
+	}
+
+	preader, pwriter := io.Pipe()
+	request := &http.Request{
+		Method: "PUT",
+		Host:   "www.v2ray.com",
+		Body:   preader,
+		URL: &url.URL{
+			Scheme: "https",
+			Host:   dest.NetAddr(),
+			Path:   "/",
+		},
+		Proto:      "HTTP/2",
+		ProtoMajor: 2,
+		ProtoMinor: 0,
+	}
+	response, err := client.Do(request)
+	if err != nil {
+		return nil, newError("failed to dial to ", dest).Base(err).AtWarning()
+	}
+	if response.StatusCode != 200 {
+		return nil, newError("unexpected status", response.StatusCode).AtWarning()
+	}
+
+	return &Connection{
+		Reader: response.Body,
+		Writer: pwriter,
+		Closer: common.NewChainedClosable(preader, pwriter, response.Body),
+		Local: &net.TCPAddr{
+			IP:   []byte{0, 0, 0, 0},
+			Port: 0,
+		},
+		Remote: &net.TCPAddr{
+			IP:   []byte{0, 0, 0, 0},
+			Port: 0,
+		},
+	}, nil
+}
+
+func init() {
+	common.Must(internet.RegisterTransportDialer(internet.TransportProtocol_HTTP, Dial))
+}

transport/internet/http/errors.generated.go

@@ -0,0 +1,5 @@
+package http
+
+import "v2ray.com/core/common/errors"
+
+func newError(values ...interface{}) *errors.Error { return errors.New(values...).Path("Transport", "Internet", "HTTP") }

transport/internet/http/http.go

@@ -0,0 +1,3 @@
+package http
+
+//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg http -path Transport,Internet,HTTP

transport/internet/http/http_test.go

@@ -0,0 +1,75 @@
+package http_test
+
+import (
+	"context"
+	"crypto/rand"
+	"testing"
+	"time"
+
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/buf"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/testing/servers/tcp"
+	tlsgen "v2ray.com/core/testing/tls"
+	"v2ray.com/core/transport/internet"
+	. "v2ray.com/core/transport/internet/http"
+	"v2ray.com/core/transport/internet/tls"
+	. "v2ray.com/ext/assert"
+)
+
+func TestHTTPConnection(t *testing.T) {
+	assert := With(t)
+
+	port := tcp.PickPort()
+
+	listener, err := Listen(internet.ContextWithSecuritySettings(context.Background(), &tls.Config{
+		Certificate: []*tls.Certificate{tlsgen.GenerateCertificateForTest()},
+	}), net.LocalHostIP, port, func(conn internet.Connection) {
+		go func() {
+			defer conn.Close()
+
+			b := buf.New()
+			defer b.Release()
+
+			for {
+				if err := b.Reset(buf.ReadFrom(conn)); err != nil {
+					return
+				}
+				nBytes, err := conn.Write(b.Bytes())
+				assert(err, IsNil)
+				assert(nBytes, Equals, b.Len())
+			}
+		}()
+	})
+	assert(err, IsNil)
+
+	defer listener.Close()
+
+	time.Sleep(time.Second)
+
+	conn, err := Dial(internet.ContextWithSecuritySettings(context.Background(), &tls.Config{
+		ServerName:    "www.v2ray.com",
+		AllowInsecure: true,
+	}), net.TCPDestination(net.LocalHostIP, port))
+	assert(err, IsNil)
+	defer conn.Close()
+
+	const N = 1024
+	b1 := make([]byte, N)
+	common.Must2(rand.Read(b1))
+	b2 := buf.New()
+
+	nBytes, err := conn.Write(b1)
+	assert(nBytes, Equals, N)
+	assert(err, IsNil)
+
+	assert(b2.Reset(buf.ReadFullFrom(conn, N)), IsNil)
+	assert(b2.Bytes(), Equals, b1)
+
+	nBytes, err = conn.Write(b1)
+	assert(nBytes, Equals, N)
+	assert(err, IsNil)
+
+	assert(b2.Reset(buf.ReadFullFrom(conn, N)), IsNil)
+	assert(b2.Bytes(), Equals, b1)
+}

transport/internet/http/hub.go

@@ -0,0 +1,86 @@
+package http
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"v2ray.com/core/common"
+	"v2ray.com/core/common/net"
+	"v2ray.com/core/common/serial"
+	"v2ray.com/core/common/signal"
+	"v2ray.com/core/transport/internet"
+	"v2ray.com/core/transport/internet/tls"
+)
+
+type Listener struct {
+	server  *http.Server
+	handler internet.ConnHandler
+	local   net.Addr
+}
+
+func (l *Listener) Addr() net.Addr {
+	return l.local
+}
+
+func (l *Listener) Close() error {
+	return l.server.Shutdown(context.Background())
+}
+
+type flushWriter struct {
+	w io.Writer
+}
+
+func (fw flushWriter) Write(p []byte) (n int, err error) {
+	n, err = fw.w.Write(p)
+	if f, ok := fw.w.(http.Flusher); ok {
+		f.Flush()
+	}
+	return
+}
+
+func (l *Listener) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
+	writer.WriteHeader(200)
+	if f, ok := writer.(http.Flusher); ok {
+		f.Flush()
+	}
+	done := signal.NewDone()
+	l.handler(&Connection{
+		Reader: request.Body,
+		Writer: flushWriter{writer},
+		Closer: common.NewChainedClosable(request.Body, done),
+		Local:  l.Addr(),
+		Remote: l.Addr(),
+	})
+	<-done.C()
+}
+
+func Listen(ctx context.Context, address net.Address, port net.Port, handler internet.ConnHandler) (internet.Listener, error) {
+	listener := &Listener{
+		handler: handler,
+		local: &net.TCPAddr{
+			IP:   address.IP(),
+			Port: int(port),
+		},
+	}
+
+	config := tls.ConfigFromContext(ctx)
+	if config == nil {
+		return nil, newError("TLS must be enabled for http transport.").AtWarning()
+	}
+
+	server := &http.Server{
+		Addr:      serial.Concat(address, ":", port),
+		TLSConfig: config.GetTLSConfig(tls.WithNextProto("h2")),
+		Handler:   listener,
+	}
+
+	listener.server = server
+	go server.ListenAndServeTLS("", "")
+
+	return listener, nil
+}
+
+func init() {
+	common.Must(internet.RegisterTransportListener(internet.TransportProtocol_HTTP, Listen))
+}

transport/internet/tls/config.go

@@ -28,7 +28,6 @@ func (c *Config) BuildCertificates() []tls.Certificate {
 func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 	config := &tls.Config{
 		ClientSessionCache: globalSessionCache,
-		NextProtos:         []string{"http/1.1"},
 	}
 	if c == nil {
 		return config
@@ -47,6 +46,9 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 	if len(c.NextProtocol) > 0 {
 		config.NextProtos = c.NextProtocol
 	}
+	if len(config.NextProtos) == 0 {
+		config.NextProtos = []string{"http/1.1"}
+	}
 
 	return config
 }