1 files changed, 41 insertions, 0 deletions
diff --git a/dom/quota/FileUtils.cpp b/dom/quota/FileUtils.cpp
new file mode 100644
index 0000000000..478b4a58c6
--- /dev/null
+++ b/dom/quota/FileUtils.cpp
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FileUtils.h"
+
+#include "mozilla/dom/quota/Constants.h"
+#include "nsString.h"
+
+#define DSSTORE_FILE_NAME ".DS_Store"
+#define DESKTOP_FILE_NAME ".desktop"
+#define DESKTOP_INI_FILE_NAME "desktop.ini"
+#define THUMBS_DB_FILE_NAME "thumbs.db"
+
+namespace mozilla::dom::quota {
+
+bool IsOriginMetadata(const nsAString& aFileName) {
+  return aFileName.EqualsLiteral(METADATA_FILE_NAME) ||
+         aFileName.EqualsLiteral(METADATA_V2_FILE_NAME) ||
+         IsOSMetadata(aFileName);
+}
+
+bool IsTempMetadata(const nsAString& aFileName) {
+  return aFileName.EqualsLiteral(METADATA_TMP_FILE_NAME) ||
+         aFileName.EqualsLiteral(METADATA_V2_TMP_FILE_NAME);
+}
+
+bool IsOSMetadata(const nsAString& aFileName) {
+  return aFileName.EqualsLiteral(DSSTORE_FILE_NAME) ||
+         aFileName.EqualsLiteral(DESKTOP_FILE_NAME) ||
+         aFileName.LowerCaseEqualsLiteral(DESKTOP_INI_FILE_NAME) ||
+         aFileName.LowerCaseEqualsLiteral(THUMBS_DB_FILE_NAME);
+}
+
+bool IsDotFile(const nsAString& aFileName) {
+  return aFileName.First() == char16_t('.');
+}
+
+}  // namespace mozilla::dom::quota