Update to version 8.5.5 | Read HISTORY.md

Former-commit-id: dced7d472edabbab4f80c76051f13261928a8dea

core/maintenance/encoding/unmarshaler.go

@@ -0,0 +1,33 @@
+package encoding
+
+import (
+	"errors"
+	"io"
+	"io/ioutil"
+	"reflect"
+)
+
+// UnmarshalerFunc is the Unmarshaler compatible type.
+//
+// See 'unmarshalBody' for more.
+type UnmarshalerFunc func(data []byte, v interface{}) error
+
+// UnmarshalBody reads the request's body and binds it to a value or pointer of any type.
+func UnmarshalBody(body io.Reader, v interface{}, unmarshaler UnmarshalerFunc) error {
+	if body == nil {
+		return errors.New("unmarshal: empty body")
+	}
+
+	rawData, err := ioutil.ReadAll(body)
+	if err != nil {
+		return err
+	}
+
+	// check if v is already a pointer, if yes then pass as it's
+	if reflect.TypeOf(v).Kind() == reflect.Ptr {
+		return unmarshaler(rawData, v)
+	}
+	// finally, if the v doesn't contains a self-body decoder and it's not a pointer
+	// use the custom unmarshaler to bind the body
+	return unmarshaler(rawData, &v)
+}