Add support for the customization of the host domain in WebSocket (One of the V2Ray transport layers)

docs/configuration/shared/v2ray-transport.md

@@ -92,6 +92,7 @@ Specifies the timeout duration after sending a PING frame, within which a respon
 ```json
 {
   "type": "ws",
+  "host": "",
   "path": "",
   "headers": {},
   "max_early_data": 0,
@@ -99,6 +100,10 @@ Specifies the timeout duration after sending a PING frame, within which a respon
 }
 ```
 
+#### host
+
+Host domain.
+
 #### path
 
 Path of HTTP request.

docs/configuration/shared/v2ray-transport.zh.md

@@ -91,6 +91,7 @@ HTTP 请求的额外标头
 ```json
 {
   "type": "ws",
+  "host": "",
   "path": "",
   "headers": {},
   "max_early_data": 0,
@@ -98,6 +99,10 @@ HTTP 请求的额外标头
 }
 ```
 
+#### host
+
+主机域名。
+
 #### path
 
 HTTP 请求路径

option/v2ray_transport.go

@@ -75,6 +75,7 @@ type V2RayHTTPOptions struct {
 }
 
 type V2RayWebsocketOptions struct {
+	Host                string     `json:"host,omitempty"`
 	Path                string     `json:"path,omitempty"`
 	Headers             HTTPHeader `json:"headers,omitempty"`
 	MaxEarlyData        uint32     `json:"max_early_data,omitempty"`

transport/v2raywebsocket/client.go

@@ -43,7 +43,11 @@ func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, opt
 	} else {
 		requestURL.Scheme = "wss"
 	}
-	requestURL.Host = serverAddr.String()
+	if options.Host == "" {
+		requestURL.Host = serverAddr.String()
+	} else {
+		requestURL.Host = options.Host
+	}
 	requestURL.Path = options.Path
 	err := sHTTP.URLSetPath(&requestURL, options.Path)
 	if err != nil {