add mws dialer

pkg/listener/obfs/http/conn.go

@@ -22,6 +22,7 @@ type obfsHTTPConn struct {
 	wbuf           bytes.Buffer
 	handshaked     bool
 	handshakeMutex sync.Mutex
+	header         http.Header
 	logger         logger.Logger
 }
 
@@ -71,9 +72,11 @@ func (c *obfsHTTPConn) handshake() (err error) {
 		StatusCode: http.StatusOK,
 		ProtoMajor: 1,
 		ProtoMinor: 1,
-		Header:     make(http.Header),
+		Header:     c.header,
+	}
+	if resp.Header == nil {
+		resp.Header = http.Header{}
 	}
-	resp.Header.Set("Server", "nginx/1.18.0")
 	resp.Header.Set("Date", time.Now().Format(time.RFC1123))
 
 	if r.Method != http.MethodGet || r.Header.Get("Upgrade") != "websocket" {

pkg/listener/obfs/http/listener.go

@@ -57,6 +57,7 @@ func (l *obfsListener) Accept() (net.Conn, error) {
 
 	return &obfsHTTPConn{
 		Conn:   c,
+		header: l.md.header,
 		logger: l.logger,
 	}, nil
 }

pkg/listener/obfs/http/metadata.go

@@ -1,17 +1,27 @@
 package http
 
 import (
+	"fmt"
+	"net/http"
+
 	md "github.com/go-gost/gost/pkg/metadata"
 )
 
-const (
-	keepAlive       = "keepAlive"
-	keepAlivePeriod = "keepAlivePeriod"
-)
-
 type metadata struct {
+	header http.Header
 }
 
 func (l *obfsListener) parseMetadata(md md.Metadata) (err error) {
+	const (
+		header = "header"
+	)
+
+	if mm, _ := md.Get(header).(map[interface{}]interface{}); len(mm) > 0 {
+		h := http.Header{}
+		for k, v := range mm {
+			h.Add(fmt.Sprintf("%v", k), fmt.Sprintf("%v", v))
+		}
+		l.md.header = h
+	}
 	return
 }