api/data/lifecycle.go

@@ -20,6 +20,7 @@ type (
 		Filter                         *LifecycleRuleFilter            `xml:"Filter,omitempty"`
 		ID                             string                          `xml:"ID,omitempty"`
 		NonCurrentVersionExpiration    *NonCurrentVersionExpiration    `xml:"NoncurrentVersionExpiration,omitempty"`
+		Prefix                         string                          `xml:"Prefix,omitempty"`
 	}
 
 	AbortIncompleteMultipartUpload struct {

api/handler/lifecycle.go

@@ -218,6 +218,10 @@ func checkLifecycleConfiguration(ctx context.Context, cfg *data.LifecycleConfigu
 		if err := checkLifecycleRuleFilter(rule.Filter); err != nil {
 			return err
 		}
+
+		if rule.Filter != nil && rule.Filter.Prefix != "" && rule.Prefix != "" {
+			return fmt.Errorf("%w: rule cannot have two prefixes", apierr.GetAPIError(apierr.ErrMalformedXML))
+		}
 	}
 
 	return nil