chore: migrate to gitea

vendor/github.com/gin-gonic/gin/binding/protobuf.go

@@ -0,0 +1,41 @@
+// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package binding
+
+import (
+	"errors"
+	"io"
+	"net/http"
+
+	"google.golang.org/protobuf/proto"
+)
+
+type protobufBinding struct{}
+
+func (protobufBinding) Name() string {
+	return "protobuf"
+}
+
+func (b protobufBinding) Bind(req *http.Request, obj any) error {
+	buf, err := io.ReadAll(req.Body)
+	if err != nil {
+		return err
+	}
+	return b.BindBody(buf, obj)
+}
+
+func (protobufBinding) BindBody(body []byte, obj any) error {
+	msg, ok := obj.(proto.Message)
+	if !ok {
+		return errors.New("obj is not ProtoMessage")
+	}
+	if err := proto.Unmarshal(body, msg); err != nil {
+		return err
+	}
+	// Here it's same to return validate(obj), but until now we can't add
+	// `binding:""` to the struct which automatically generate by gen-proto
+	return nil
+	// return validate(obj)
+}