From f336bbeda3ff2f320c91d94d226c8c60fce96cab Mon Sep 17 00:00:00 2001
From: Makarand <mnsd@divisionsinc.com>
Date: Tue, 14 Jun 2022 12:37:29 +0530
Subject: [PATCH] Fixes #246

---
 middleware/parameter.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/middleware/parameter.go b/middleware/parameter.go
index 8fa0cf4e..9aaf6595 100644
--- a/middleware/parameter.go
+++ b/middleware/parameter.go
@@ -206,7 +206,11 @@ func (p *untypedParamBinder) Bind(request *http.Request, routeParams RouteParams
 		if p.parameter.Type == "file" {
 			file, header, ffErr := request.FormFile(p.parameter.Name)
 			if ffErr != nil {
-				return errors.NewParseError(p.Name, p.parameter.In, "", ffErr)
+				if p.parameter.Required {
+					return errors.NewParseError(p.Name, p.parameter.In, "", ffErr)
+				} else {
+					return nil
+				}
 			}
 			target.Set(reflect.ValueOf(runtime.File{Data: file, Header: header}))
 			return nil