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Migrate to gobwas/ws

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This commit is contained in:
世界 2023-11-09 16:59:44 +08:00
parent 40a0b69918
commit 4d23773a25
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
13 changed files with 192 additions and 161 deletions
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10
common/dialer/detour.go
View file

@ -6,6 +6,7 @@ import (
"sync"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing/common/bufio/deadline"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@ -44,7 +45,14 @@ func (d *DetourDialer) DialContext(ctx context.Context, network string, destinat
if err != nil {
return nil, err
}
return dialer.DialContext(ctx, network, destination)
conn, err := dialer.DialContext(ctx, network, destination)
if err != nil {
return nil, err
}
if deadline.NeedAdditionalReadDeadline(conn) {
conn = deadline.NewConn(conn)
}
return conn, nil
}
func (d *DetourDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {

17
experimental/clashapi/api_meta.go
View file

@ -2,12 +2,14 @@ package clashapi
import (
"bytes"
"net"
"net/http"
"time"
"github.com/sagernet/sing-box/common/json"
"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
"github.com/sagernet/ws/wsutil"
"github.com/go-chi/chi/v5"
"github.com/go-chi/render"
@ -27,16 +29,16 @@ type Memory struct {
func memory(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
var wsConn *websocket.Conn
if websocket.IsWebSocketUpgrade(r) {
var conn net.Conn
if r.Header.Get("Upgrade") == "websocket" {
var err error
wsConn, err = upgrader.Upgrade(w, r, nil)
conn, _, _, err = ws.UpgradeHTTP(r, w)
if err != nil {
return
}
}
if wsConn == nil {
if conn == nil {
w.Header().Set("Content-Type", "application/json")
render.Status(r, http.StatusOK)
}
@ -63,13 +65,12 @@ func memory(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r
}); err != nil {
break
}
if wsConn == nil {
if conn == nil {
_, err = w.Write(buf.Bytes())
w.(http.Flusher).Flush()
} else {
err = wsConn.WriteMessage(websocket.TextMessage, buf.Bytes())
err = wsutil.WriteServerText(conn, buf.Bytes())
}
if err != nil {
break
}

9
experimental/clashapi/connections.go
View file

@ -9,7 +9,8 @@ import (
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/json"
"github.com/sagernet/sing-box/experimental/clashapi/trafficontrol"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
"github.com/sagernet/ws/wsutil"
"github.com/go-chi/chi/v5"
"github.com/go-chi/render"
@ -25,13 +26,13 @@ func connectionRouter(router adapter.Router, trafficManager *trafficontrol.Manag
func getConnections(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if !websocket.IsWebSocketUpgrade(r) {
if r.Header.Get("Upgrade") != "websocket" {
snapshot := trafficManager.Snapshot()
render.JSON(w, r, snapshot)
return
}
conn, err := upgrader.Upgrade(w, r, nil)
conn, _, _, err := ws.UpgradeHTTP(r, w)
if err != nil {
return
}
@ -56,7 +57,7 @@ func getConnections(trafficManager *trafficontrol.Manager) func(w http.ResponseW
if err := json.NewEncoder(buf).Encode(snapshot); err != nil {
return err
}
return conn.WriteMessage(websocket.TextMessage, buf.Bytes())
return wsutil.WriteServerText(conn, buf.Bytes())
}
if err = sendSnapshot(); err != nil {

38
experimental/clashapi/server.go
View file

@ -25,7 +25,8 @@ import (
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/service"
"github.com/sagernet/sing/service/filemanager"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
"github.com/sagernet/ws/wsutil"
"github.com/go-chi/chi/v5"
"github.com/go-chi/cors"
@ -314,7 +315,7 @@ func authentication(serverSecret string) func(next http.Handler) http.Handler {
}
// Browser websocket not support custom header
if websocket.IsWebSocketUpgrade(r) && r.URL.Query().Get("token") != "" {
if r.Header.Get("Upgrade") == "websocket" && r.URL.Query().Get("token") != "" {
token := r.URL.Query().Get("token")
if token != serverSecret {
render.Status(r, http.StatusUnauthorized)
@ -351,12 +352,6 @@ func hello(redirect bool) func(w http.ResponseWriter, r *http.Request) {
}
}
var upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool {
return true
},
}
type Traffic struct {
Up int64 `json:"up"`
Down int64 `json:"down"`
@ -364,16 +359,17 @@ type Traffic struct {
func traffic(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
var wsConn *websocket.Conn
if websocket.IsWebSocketUpgrade(r) {
var conn net.Conn
if r.Header.Get("Upgrade") == "websocket" {
var err error
wsConn, err = upgrader.Upgrade(w, r, nil)
conn, _, _, err = ws.UpgradeHTTP(r, w)
if err != nil {
return
}
defer conn.Close()
}
if wsConn == nil {
if conn == nil {
w.Header().Set("Content-Type", "application/json")
render.Status(r, http.StatusOK)
}
@ -392,11 +388,11 @@ func traffic(trafficManager *trafficontrol.Manager) func(w http.ResponseWriter,
break
}
if wsConn == nil {
if conn == nil {
_, err = w.Write(buf.Bytes())
w.(http.Flusher).Flush()
} else {
err = wsConn.WriteMessage(websocket.TextMessage, buf.Bytes())
err = wsutil.WriteServerText(conn, buf.Bytes())
}
if err != nil {
@ -432,16 +428,16 @@ func getLogs(logFactory log.ObservableFactory) func(w http.ResponseWriter, r *ht
}
defer logFactory.UnSubscribe(subscription)
var wsConn *websocket.Conn
if websocket.IsWebSocketUpgrade(r) {
var err error
wsConn, err = upgrader.Upgrade(w, r, nil)
var conn net.Conn
if r.Header.Get("Upgrade") == "websocket" {
conn, _, _, err = ws.UpgradeHTTP(r, w)
if err != nil {
return
}
defer conn.Close()
}
if wsConn == nil {
if conn == nil {
w.Header().Set("Content-Type", "application/json")
render.Status(r, http.StatusOK)
}
@ -465,11 +461,11 @@ func getLogs(logFactory log.ObservableFactory) func(w http.ResponseWriter, r *ht
if err != nil {
break
}
if wsConn == nil {
if conn == nil {
_, err = w.Write(buf.Bytes())
w.(http.Flusher).Flush()
} else {
err = wsConn.WriteMessage(websocket.TextMessage, buf.Bytes())
err = wsutil.WriteServerText(conn, buf.Bytes())
}
if err != nil {

4
go.mod
View file

@ -38,8 +38,8 @@ require (
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6
github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e
github.com/sagernet/wireguard-go v0.0.0-20230807125731-5d4a7ef2dc5f
github.com/sagernet/ws v0.0.0-20231030053741-7d481eb31bed
github.com/spf13/cobra v1.8.0
github.com/stretchr/testify v1.8.4
go.uber.org/zap v1.26.0
@ -61,6 +61,8 @@ require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/go-ole/go-ole v1.3.0 // indirect
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
github.com/gobwas/httphead v0.1.0 // indirect
github.com/gobwas/pool v0.2.1 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/btree v1.1.2 // indirect
github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect

9
go.sum
View file

@ -31,6 +31,10 @@ github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
github.com/gofrs/uuid/v5 v5.0.0 h1:p544++a97kEL+svbcFbCQVM9KFu0Yo25UoISXGNNH9M=
github.com/gofrs/uuid/v5 v5.0.0/go.mod h1:CDOjlDMVAtN56jqyRUZh58JT31Tiw7/oQyEXZV+9bD8=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
@ -134,10 +138,10 @@ github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6 h1:Px+hN4Vzgx+iCGV
github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6/go.mod h1:zovq6vTvEM6ECiqE3Eeb9rpIylPpamPcmrJ9tv0Bt0M=
github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2 h1:kDUqhc9Vsk5HJuhfIATJ8oQwBmpOZJuozQG7Vk88lL4=
github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2/go.mod h1:JKQMZq/O2qnZjdrt+B57olmfgEmLtY9iiSIEYtWvoSM=
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e h1:7uw2njHFGE+VpWamge6o56j2RWk4omF6uLKKxMmcWvs=
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e/go.mod h1:45TUl8+gH4SIKr4ykREbxKWTxkDlSzFENzctB1dVRRY=
github.com/sagernet/wireguard-go v0.0.0-20230807125731-5d4a7ef2dc5f h1:Kvo8w8Y9lzFGB/7z09MJ3TR99TFtfI/IuY87Ygcycho=
github.com/sagernet/wireguard-go v0.0.0-20230807125731-5d4a7ef2dc5f/go.mod h1:mySs0abhpc/gLlvhoq7HP1RzOaRmIXVeZGCh++zoApk=
github.com/sagernet/ws v0.0.0-20231030053741-7d481eb31bed h1:90a510OeE9siSJoYsI8nSjPmA+u5ROMDts/ZkdNsuXY=
github.com/sagernet/ws v0.0.0-20231030053741-7d481eb31bed/go.mod h1:LtfoSK3+NG57tvnVEHgcuBW9ujgE8enPSgzgwStwCAA=
github.com/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9 h1:rc/CcqLH3lh8n+csdOuDfP+NuykE0U6AeYSJJHKDgSg=
github.com/scjalliance/comshim v0.0.0-20230315213746-5e51f40bd3b9/go.mod h1:a/83NAfUXvEuLpmxDssAXxgUgrEy12MId3Wd7OTs76s=
github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
@ -189,6 +193,7 @@ golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=

2
transport/v2ray/transport.go
View file

@ -50,7 +50,7 @@ func NewClientTransport(ctx context.Context, dialer N.Dialer, serverAddr M.Socks
case C.V2RayTransportTypeGRPC:
return NewGRPCClient(ctx, dialer, serverAddr, options.GRPCOptions, tlsConfig)
case C.V2RayTransportTypeWebsocket:
return v2raywebsocket.NewClient(ctx, dialer, serverAddr, options.WebsocketOptions, tlsConfig), nil
return v2raywebsocket.NewClient(ctx, dialer, serverAddr, options.WebsocketOptions, tlsConfig)
case C.V2RayTransportTypeQUIC:
if tlsConfig == nil {
return nil, C.ErrTLSRequired

2
transport/v2rayhttp/client.go
View file

@ -81,7 +81,7 @@ func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, opt
uri.Path = options.Path
err := sHTTP.URLSetPath(&uri, options.Path)
if err != nil {
return nil, E.New("failed to set path: " + err.Error())
return nil, E.Cause(err, "parse path")
}
client.url = &uri
return client, nil

94
transport/v2raywebsocket/client.go
View file

@ -5,58 +5,37 @@ import (
"net"
"net/http"
"net/url"
"strings"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/tls"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
sHTTP "github.com/sagernet/sing/protocol/http"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
)
var _ adapter.V2RayClientTransport = (*Client)(nil)
type Client struct {
dialer *websocket.Dialer
dialer N.Dialer
tlsConfig tls.Config
serverAddr M.Socksaddr
requestURL url.URL
requestURLString string
headers http.Header
maxEarlyData uint32
earlyDataHeaderName string
}
func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, options option.V2RayWebsocketOptions, tlsConfig tls.Config) adapter.V2RayClientTransport {
wsDialer := &websocket.Dialer{
ReadBufferSize: 4 * 1024,
WriteBufferSize: 4 * 1024,
HandshakeTimeout: time.Second * 8,
}
func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, options option.V2RayWebsocketOptions, tlsConfig tls.Config) (adapter.V2RayClientTransport, error) {
if tlsConfig != nil {
if len(tlsConfig.NextProtos()) == 0 {
tlsConfig.SetNextProtos([]string{"http/1.1"})
}
wsDialer.NetDialTLSContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
conn, err := dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
if err != nil {
return nil, err
}
tlsConn, err := tls.ClientHandshake(ctx, conn, tlsConfig)
if err != nil {
return nil, err
}
return &deadConn{tlsConn}, nil
}
} else {
wsDialer.NetDialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
conn, err := dialer.DialContext(ctx, network, M.ParseSocksaddr(addr))
if err != nil {
return nil, err
}
return &deadConn{conn}, nil
}
}
var requestURL url.URL
if tlsConfig == nil {
@ -68,37 +47,68 @@ func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, opt
requestURL.Path = options.Path
err := sHTTP.URLSetPath(&requestURL, options.Path)
if err != nil {
return nil
return nil, E.Cause(err, "parse path")
}
if !strings.HasPrefix(requestURL.Path, "/") {
requestURL.Path = "/" + requestURL.Path
}
headers := make(http.Header)
for key, value := range options.Headers {
headers[key] = value
if key == "Host" {
if len(value) > 1 {
return nil, E.New("multiple Host headers")
}
requestURL.Host = value[0]
}
}
if headers.Get("User-Agent") == "" {
headers.Set("User-Agent", "Go-http-client/1.1")
}
return &Client{
wsDialer,
dialer,
tlsConfig,
serverAddr,
requestURL,
requestURL.String(),
headers,
options.MaxEarlyData,
options.EarlyDataHeaderName,
}, nil
}
func (c *Client) dialContext(ctx context.Context, requestURL *url.URL, headers http.Header) (*WebsocketConn, error) {
conn, err := c.dialer.DialContext(ctx, N.NetworkTCP, c.serverAddr)
if err != nil {
return nil, err
}
if c.tlsConfig != nil {
conn, err = tls.ClientHandshake(ctx, conn, c.tlsConfig)
if err != nil {
return nil, err
}
}
conn.SetDeadline(time.Now().Add(C.TCPTimeout))
var protocols []string
if protocolHeader := headers.Get("Sec-WebSocket-Protocol"); protocolHeader != "" {
protocols = []string{protocolHeader}
headers.Del("Sec-WebSocket-Protocol")
}
reader, _, err := ws.Dialer{Header: ws.HandshakeHeaderHTTP(headers), Protocols: protocols}.Upgrade(conn, requestURL)
conn.SetDeadline(time.Time{})
if err != nil {
return nil, err
}
return NewConn(conn, reader, nil, ws.StateClientSide), nil
}
func (c *Client) DialContext(ctx context.Context) (net.Conn, error) {
if c.maxEarlyData <= 0 {
conn, response, err := c.dialer.DialContext(ctx, c.requestURLString, c.headers)
if err == nil {
return &WebsocketConn{Conn: conn, Writer: NewWriter(conn, false)}, nil
conn, err := c.dialContext(ctx, &c.requestURL, c.headers)
if err != nil {
return nil, err
}
return nil, wrapDialError(response, err)
return conn, nil
} else {
return &EarlyWebsocketConn{Client: c, ctx: ctx, create: make(chan struct{})}, nil
}
}
func wrapDialError(response *http.Response, err error) error {
if response == nil {
return err
}
return E.Extend(err, "HTTP ", response.StatusCode, " ", response.Status)
}

122
transport/v2raywebsocket/conn.go
View file

@ -1,11 +1,11 @@
package v2raywebsocket
import (
"bufio"
"context"
"encoding/base64"
"io"
"net"
"net/http"
"os"
"sync"
"time"
@ -13,50 +13,96 @@ import (
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/debug"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
"github.com/sagernet/ws/wsutil"
)
type WebsocketConn struct {
*websocket.Conn
net.Conn
*Writer
state ws.State
reader *wsutil.Reader
controlHandler wsutil.FrameHandlerFunc
remoteAddr net.Addr
reader io.Reader
}
func NewServerConn(wsConn *websocket.Conn, remoteAddr net.Addr) *WebsocketConn {
func NewConn(conn net.Conn, br *bufio.Reader, remoteAddr net.Addr, state ws.State) *WebsocketConn {
controlHandler := wsutil.ControlFrameHandler(conn, state)
var reader io.Reader
if br != nil && br.Buffered() > 0 {
reader = br
} else {
reader = conn
}
return &WebsocketConn{
Conn: wsConn,
Conn: conn,
state: state,
reader: &wsutil.Reader{
Source: reader,
State: state,
SkipHeaderCheck: !debug.Enabled,
OnIntermediate: controlHandler,
},
controlHandler: controlHandler,
remoteAddr: remoteAddr,
Writer: NewWriter(wsConn, true),
Writer: NewWriter(conn, state),
}
}
func (c *WebsocketConn) Close() error {
err := c.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(C.TCPTimeout))
if err != nil {
return c.Conn.Close()
c.Conn.SetWriteDeadline(time.Now().Add(C.TCPTimeout))
frame := ws.NewCloseFrame(ws.NewCloseFrameBody(
ws.StatusNormalClosure, "",
))
if c.state == ws.StateClientSide {
frame = ws.MaskFrameInPlace(frame)
}
ws.WriteFrame(c.Conn, frame)
c.Conn.Close()
return nil
}
func (c *WebsocketConn) Read(b []byte) (n int, err error) {
var header ws.Header
for {
if c.reader == nil {
_, c.reader, err = c.NextReader()
if err != nil {
err = wrapError(err)
n, err = c.reader.Read(b)
if n > 0 {
err = nil
return
}
if !E.IsMulti(err, io.EOF, wsutil.ErrNoFrameAdvance) {
return
}
header, err = c.reader.NextFrame()
if err != nil {
return
}
if header.OpCode.IsControl() {
err = c.controlHandler(header, c.reader)
if err != nil {
return
}
n, err = c.reader.Read(b)
if E.IsMulti(err, io.EOF) {
c.reader = nil
continue
}
err = wrapError(err)
if header.OpCode&ws.OpBinary == 0 {
err = c.reader.Discard()
if err != nil {
return
}
continue
}
}
}
func (c *WebsocketConn) Write(p []byte) (n int, err error) {
err = wsutil.WriteMessage(c.Conn, c.state, ws.OpBinary, p)
if err != nil {
return
}
n = len(p)
return
}
func (c *WebsocketConn) RemoteAddr() net.Addr {
@ -83,11 +129,7 @@ func (c *WebsocketConn) NeedAdditionalReadDeadline() bool {
}
func (c *WebsocketConn) Upstream() any {
return c.Conn.NetConn()
}
func (c *WebsocketConn) UpstreamWriter() any {
return c.Writer
return c.Conn
}
type EarlyWebsocketConn struct {
@ -113,8 +155,7 @@ func (c *EarlyWebsocketConn) writeRequest(content []byte) error {
var (
earlyData []byte
lateData []byte
conn *websocket.Conn
response *http.Response
conn *WebsocketConn
err error
)
if len(content) > int(c.maxEarlyData) {
@ -128,23 +169,26 @@ func (c *EarlyWebsocketConn) writeRequest(content []byte) error {
if c.earlyDataHeaderName == "" {
requestURL := c.requestURL
requestURL.Path += earlyDataString
conn, response, err = c.dialer.DialContext(c.ctx, requestURL.String(), c.headers)
conn, err = c.dialContext(c.ctx, &requestURL, c.headers)
} else {
headers := c.headers.Clone()
headers.Set(c.earlyDataHeaderName, earlyDataString)
conn, response, err = c.dialer.DialContext(c.ctx, c.requestURLString, headers)
conn, err = c.dialContext(c.ctx, &c.requestURL, headers)
}
} else {
conn, response, err = c.dialer.DialContext(c.ctx, c.requestURLString, c.headers)
conn, err = c.dialContext(c.ctx, &c.requestURL, c.headers)
}
if err != nil {
return wrapDialError(response, err)
}
c.conn = &WebsocketConn{Conn: conn, Writer: NewWriter(conn, false)}
if len(lateData) > 0 {
_, err = c.conn.Write(lateData)
}
return err
}
if len(lateData) > 0 {
_, err = conn.Write(lateData)
if err != nil {
return err
}
}
c.conn = conn
return nil
}
func (c *EarlyWebsocketConn) Write(b []byte) (n int, err error) {
@ -230,13 +274,3 @@ func (c *EarlyWebsocketConn) Upstream() any {
func (c *EarlyWebsocketConn) LazyHeadroom() bool {
return c.conn == nil
}
func wrapError(err error) error {
if websocket.IsCloseError(err, websocket.CloseNormalClosure) {
return io.EOF
}
if websocket.IsCloseError(err, websocket.CloseAbnormalClosure) {
return net.ErrClosed
}
return err
}

6
transport/v2raywebsocket/mask.go
View file

@ -1,6 +0,0 @@
package v2raywebsocket
import _ "unsafe"
//go:linkname maskBytes github.com/sagernet/websocket.maskBytes
func maskBytes(key [4]byte, pos int, b []byte) int

13
transport/v2raywebsocket/server.go
View file

@ -20,7 +20,7 @@ import (
N "github.com/sagernet/sing/common/network"
aTLS "github.com/sagernet/sing/common/tls"
sHttp "github.com/sagernet/sing/protocol/http"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
)
var _ adapter.V2RayServerTransport = (*Server)(nil)
@ -58,13 +58,6 @@ func NewServer(ctx context.Context, options option.V2RayWebsocketOptions, tlsCon
return server, nil
}
var upgrader = websocket.Upgrader{
HandshakeTimeout: C.TCPTimeout,
CheckOrigin: func(r *http.Request) bool {
return true
},
}
func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
if s.maxEarlyData == 0 || s.earlyDataHeaderName != "" {
if request.URL.Path != s.path {
@ -95,14 +88,14 @@ func (s *Server) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
s.invalidRequest(writer, request, http.StatusBadRequest, E.Cause(err, "decode early data"))
return
}
wsConn, err := upgrader.Upgrade(writer, request, nil)
wsConn, reader, _, err := ws.UpgradeHTTP(request, writer)
if err != nil {
s.invalidRequest(writer, request, 0, E.Cause(err, "upgrade websocket connection"))
return
}
var metadata M.Metadata
metadata.Source = sHttp.SourceAddress(request)
conn = NewServerConn(wsConn, metadata.Source.TCPAddr())
conn = NewConn(wsConn, reader.Reader, metadata.Source.TCPAddr(), ws.StateServerSide)
if len(earlyData) > 0 {
conn = bufio.NewCachedConn(conn, buf.As(earlyData))
}

27
transport/v2raywebsocket/writer.go
View file

@ -2,36 +2,27 @@ package v2raywebsocket
import (
"encoding/binary"
"io"
"math/rand"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/websocket"
"github.com/sagernet/ws"
)
type Writer struct {
*websocket.Conn
writer N.ExtendedWriter
isServer bool
}
func NewWriter(conn *websocket.Conn, isServer bool) *Writer {
func NewWriter(writer io.Writer, state ws.State) *Writer {
return &Writer{
conn,
bufio.NewExtendedWriter(conn.NetConn()),
isServer,
bufio.NewExtendedWriter(writer),
state == ws.StateServerSide,
}
}
func (w *Writer) Write(p []byte) (n int, err error) {
err = w.Conn.WriteMessage(websocket.BinaryMessage, p)
if err != nil {
return
}
return len(p), nil
}
func (w *Writer) WriteBuffer(buffer *buf.Buffer) error {
var payloadBitLength int
dataLen := buffer.Len()
@ -52,7 +43,7 @@ func (w *Writer) WriteBuffer(buffer *buf.Buffer) error {
}
header := buffer.ExtendHeader(headerLen)
header[0] = websocket.BinaryMessage | 1<<7
header[0] = byte(ws.OpBinary) | 0x80
if w.isServer {
header[1] = 0
} else {
@ -72,16 +63,12 @@ func (w *Writer) WriteBuffer(buffer *buf.Buffer) error {
if !w.isServer {
maskKey := rand.Uint32()
binary.BigEndian.PutUint32(header[1+payloadBitLength:], maskKey)
maskBytes(*(*[4]byte)(header[1+payloadBitLength:]), 0, data)
ws.Cipher(data, *(*[4]byte)(header[1+payloadBitLength:]), 0)
}
return w.writer.WriteBuffer(buffer)
}
func (w *Writer) Upstream() any {
return w.Conn.NetConn()
}
func (w *Writer) FrontHeadroom() int {
return 14
}