Add headers option for HTTP outbound

docs/configuration/outbound/http.md

@@ -11,6 +11,8 @@
   "server_port": 1080,
   "username": "sekai",
   "password": "admin",
+  "path": "",
+  "headers": {},
   "tls": {},
   
   ... // Dial Fields
@@ -39,6 +41,14 @@ Basic authorization username.
 
 Basic authorization password.
 
+#### path
+
+Path of HTTP request.
+
+#### headers
+
+Extra headers of HTTP request.
+
 #### tls
 
 TLS configuration, see [TLS](/configuration/shared/tls/#outbound).

docs/configuration/outbound/http.zh.md

@@ -11,6 +11,8 @@
   "server_port": 1080,
   "username": "sekai",
   "password": "admin",
+  "path": "",
+  "headers": {},
   "tls": {},
 
   ... // 拨号字段
@@ -39,6 +41,14 @@ Basic 认证用户名。
 
 Basic 认证密码。
 
+#### path
+
+HTTP 请求路径。
+
+#### headers
+
+HTTP 请求的额外标头。
+
 #### tls
 
 TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。

option/simple.go

@@ -30,4 +30,6 @@ type HTTPOutboundOptions struct {
 	Username string                      `json:"username,omitempty"`
 	Password string                      `json:"password,omitempty"`
 	TLS      *OutboundTLSOptions         `json:"tls,omitempty"`
+	Path     string                      `json:"path,omitempty"`
+	Headers  map[string]Listable[string] `json:"headers,omitempty"`
 }

outbound/http.go

@@ -3,6 +3,7 @@ package outbound
 import (
 	"context"
 	"net"
+	"net/http"
 	"os"
 
 	"github.com/sagernet/sing-box/adapter"
@@ -29,6 +30,13 @@ func NewHTTP(router adapter.Router, logger log.ContextLogger, tag string, option
 	if err != nil {
 		return nil, err
 	}
+	var headers http.Header
+	if options.Headers != nil {
+		headers = make(http.Header)
+		for key, values := range options.Headers {
+			headers[key] = values
+		}
+	}
 	return &HTTP{
 		myOutboundAdapter{
 			protocol: C.TypeHTTP,
@@ -42,6 +50,8 @@ func NewHTTP(router adapter.Router, logger log.ContextLogger, tag string, option
 			Server:   options.ServerOptions.Build(),
 			Username: options.Username,
 			Password: options.Password,
+			Path:     options.Path,
+			Headers:  headers,
 		}),
 	}, nil
 }