Command: use reflect marshal to json as output

common/reflect/marshal.go

@@ -1,6 +1,7 @@
 package reflect
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 	"reflect"
@@ -13,13 +14,22 @@ import (
 
 func MarshalToJson(v interface{}, insertTypeInfo bool) (string, bool) {
 	if itf := marshalInterface(v, true, insertTypeInfo); itf != nil {
-		if b, err := json.MarshalIndent(itf, "", "  "); err == nil {
+		if b, err := JSONMarshalWithoutEscape(itf); err == nil {
 			return string(b[:]), true
 		}
 	}
 	return "", false
 }
 
+func JSONMarshalWithoutEscape(t interface{}) ([]byte, error) {
+    buffer := &bytes.Buffer{}
+    encoder := json.NewEncoder(buffer)
+    encoder.SetIndent("", "    ")
+    encoder.SetEscapeHTML(false)
+    err := encoder.Encode(t)
+    return buffer.Bytes(), err
+}
+
 func marshalTypedMessage(v *cserial.TypedMessage, ignoreNullValue bool, insertTypeInfo bool) interface{} {
 	if v == nil {
 		return nil

main/commands/all/api/shared.go

@@ -13,10 +13,10 @@ import (
 	"time"
 
 	"google.golang.org/grpc/credentials/insecure"
-	"google.golang.org/protobuf/encoding/protojson"
 
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/main/commands/base"
+	creflect "github.com/xtls/xray-core/common/reflect"
 	"google.golang.org/grpc"
 	"google.golang.org/protobuf/proto"
 )
@@ -107,20 +107,16 @@ func fetchHTTPContent(target string) ([]byte, error) {
 	return content, nil
 }
 
-func protoToJSONString(m proto.Message, prefix, indent string) (string, error) {
-	return strings.TrimSpace(protojson.MarshalOptions{Indent: indent}.Format(m)), nil
-}
-
 func showJSONResponse(m proto.Message) {
 	if isNil(m) {
 		return
 	}
-	output, err := protoToJSONString(m, "", "    ")
-	if err != nil {
+	if j, ok := creflect.MarshalToJson(m, true); ok {
+		fmt.Println(j)
+	} else {
 		fmt.Fprintf(os.Stdout, "%v\n", m)
-		base.Fatalf("error encode json: %s", err)
+		base.Fatalf("error encode json")
 	}
-	fmt.Println(output)
 }
 
 func isNil(i interface{}) bool {