replace cloudflare-bpc with utls (#58)

* replace cloudflare-bpc with utls

* fix test

* ci: skip utls test

pkg/util/util.go

@@ -2,6 +2,7 @@ package util
 
 import (
 	"fmt"
+	"net/http"
 	"os"
 	"time"
 
@@ -9,6 +10,8 @@ import (
 	"github.com/nezhahq/service"
 )
 
+const MacOSChromeUA = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
+
 var (
 	Json                  = jsoniter.ConfigCompatibleWithStandardLibrary
 	Logger service.Logger = service.ConsoleLogger
@@ -29,3 +32,11 @@ func Printf(enabled bool, format string, v ...interface{}) {
 		Logger.Infof("NEZHA@%s>> "+format, append([]interface{}{time.Now().Format("2006-01-02 15:04:05")}, v...)...)
 	}
 }
+
+func BrowserHeaders() *http.Header {
+	return &http.Header{
+		"Accept":          {"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"},
+		"Accept-Language": {"en,zh-CN;q=0.9,zh;q=0.8"},
+		"User-Agent":      {MacOSChromeUA},
+	}
+}