CopyObject metadata (#265)

* fix: Object tag actions cleanup

* fix: Fixes #249, Changed ListObjects default max-keys from -1 to 1000

* fix: Fixes #250, Added support to provide a marker not from the objects list and list the objects after the provided marker in ListObjects(V2) actions

* feat: Closes #256, Addded a check step, to compare object metadatas and allow the copying to itself, if the metadata has been changed

* fix: Simplified range assignment in CopyObject posix function

s3api/controllers/base.go

@@ -593,6 +593,9 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 				return SendXMLResponse(ctx, nil, s3err.GetAPIError(s3err.ErrInvalidCopySource), &MetaOpts{Logger: c.logger, Action: "CopyObject", BucketOwner: parsedAcl.Owner})
 			}
 		}
+
+		metadata := utils.GetUserMetaData(&ctx.Request().Header)
+
 		res, err := c.be.CopyObject(ctx.Context(), &s3.CopyObjectInput{
 			Bucket:                      &bucket,
 			Key:                         &keyStart,
@@ -602,6 +605,7 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 			CopySourceIfModifiedSince:   &mtime,
 			CopySourceIfUnmodifiedSince: &umtime,
 			ExpectedBucketOwner:         &access,
+			Metadata:                    metadata,
 		})
 		if err == nil {
 			return SendXMLResponse(ctx, res, err, &MetaOpts{