add mws dialer

pkg/dialer/obfs/http/metadata.go

@@ -2,27 +2,28 @@ package http
 
 import (
 	"fmt"
+	"net/http"
 
 	md "github.com/go-gost/gost/pkg/metadata"
 )
 
 type metadata struct {
-	host    string
-	headers map[string]string
+	host   string
+	header http.Header
 }
 
 func (d *obfsHTTPDialer) parseMetadata(md md.Metadata) (err error) {
 	const (
-		headers = "headers"
-		host    = "host"
+		header = "header"
+		host   = "host"
 	)
 
-	if mm, _ := md.Get(headers).(map[interface{}]interface{}); len(mm) > 0 {
-		m := make(map[string]string)
+	if mm, _ := md.Get(header).(map[interface{}]interface{}); len(mm) > 0 {
+		h := http.Header{}
 		for k, v := range mm {
-			m[fmt.Sprintf("%v", k)] = fmt.Sprintf("%v", v)
+			h.Add(fmt.Sprintf("%v", k), fmt.Sprintf("%v", v))
 		}
-		d.md.headers = m
+		d.md.header = h
 	}
 	d.md.host = md.GetString(host)
 	return