1 files changed, 7 insertions, 35 deletions
diff --git a/vendor/github.com/labstack/echo/v4/bind.go b/vendor/github.com/labstack/echo/v4/bind.go
index c8c88bb2..f8914743 100644
--- a/vendor/github.com/labstack/echo/v4/bind.go
+++ b/vendor/github.com/labstack/echo/v4/bind.go
@@ -115,7 +115,7 @@ func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag
 		if inputFieldName == "" {
 			inputFieldName = typeField.Name
 			// If tag is nil, we inspect if the field is a struct.
-			if _, ok := bindUnmarshaler(structField); !ok && structFieldKind == reflect.Struct {
+			if _, ok := structField.Addr().Interface().(BindUnmarshaler); !ok && structFieldKind == reflect.Struct {
 				if err := b.bindData(structField.Addr().Interface(), data, tag); err != nil {
 					return err
 				}
@@ -129,9 +129,8 @@ func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag
 			// url params are bound case sensitive which is inconsistent.  To
 			// fix this we must check all of the map values in a
 			// case-insensitive search.
-			inputFieldName = strings.ToLower(inputFieldName)
 			for k, v := range data {
-				if strings.ToLower(k) == inputFieldName {
+				if strings.EqualFold(k, inputFieldName) {
 					inputValue = v
 					exists = true
 					break
@@ -221,40 +220,13 @@ func unmarshalField(valueKind reflect.Kind, val string, field reflect.Value) (bo
 	}
 }
 
-// bindUnmarshaler attempts to unmarshal a reflect.Value into a BindUnmarshaler
-func bindUnmarshaler(field reflect.Value) (BindUnmarshaler, bool) {
-	ptr := reflect.New(field.Type())
-	if ptr.CanInterface() {
-		iface := ptr.Interface()
-		if unmarshaler, ok := iface.(BindUnmarshaler); ok {
-			return unmarshaler, ok
-		}
-	}
-	return nil, false
-}
-
-// textUnmarshaler attempts to unmarshal a reflect.Value into a TextUnmarshaler
-func textUnmarshaler(field reflect.Value) (encoding.TextUnmarshaler, bool) {
-	ptr := reflect.New(field.Type())
-	if ptr.CanInterface() {
-		iface := ptr.Interface()
-		if unmarshaler, ok := iface.(encoding.TextUnmarshaler); ok {
-			return unmarshaler, ok
-		}
-	}
-	return nil, false
-}
-
 func unmarshalFieldNonPtr(value string, field reflect.Value) (bool, error) {
-	if unmarshaler, ok := bindUnmarshaler(field); ok {
-		err := unmarshaler.UnmarshalParam(value)
-		field.Set(reflect.ValueOf(unmarshaler).Elem())
-		return true, err
+	fieldIValue := field.Addr().Interface()
+	if unmarshaler, ok := fieldIValue.(BindUnmarshaler); ok {
+		return true, unmarshaler.UnmarshalParam(value)
 	}
-	if unmarshaler, ok := textUnmarshaler(field); ok {
-		err := unmarshaler.UnmarshalText([]byte(value))
-		field.Set(reflect.ValueOf(unmarshaler).Elem())
-		return true, err
+	if unmarshaler, ok := fieldIValue.(encoding.TextUnmarshaler); ok {
+		return true, unmarshaler.UnmarshalText([]byte(value))
 	}
 
 	return false, nil