1 files changed, 35 insertions, 0 deletions
diff --git a/dom/indexedDB/IndexedDBCipherKeyManager.cpp b/dom/indexedDB/IndexedDBCipherKeyManager.cpp
new file mode 100644
index 0000000000..9e86809677
--- /dev/null
+++ b/dom/indexedDB/IndexedDBCipherKeyManager.cpp
@@ -0,0 +1,35 @@
+/* -*- 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 "IndexedDBCipherKeyManager.h"
+
+#include "mozilla/dom/quota/QuotaCommon.h"
+
+namespace mozilla::dom::indexedDB {
+
+Maybe<CipherKey> IndexedDBCipherKeyManager::Get(const nsACString& aKeyId) {
+  auto lockedCipherKeys = mCipherKeys.Lock();
+
+  return lockedCipherKeys->MaybeGet(aKeyId);
+}
+
+CipherKey IndexedDBCipherKeyManager::Ensure(const nsACString& aKeyId) {
+  auto lockedCipherKeys = mCipherKeys.Lock();
+
+  return lockedCipherKeys->LookupOrInsertWith(aKeyId, [] {
+    // Generate a new key if one corresponding to keyStoreId does not exist
+    // already.
+
+    QM_TRY_RETURN(IndexedDBCipherStrategy::GenerateKey(), [](const auto&) {
+      // Bug1800110 Propagate the error to the caller rather than asserting.
+      MOZ_RELEASE_ASSERT(false);
+
+      return CipherKey{};
+    });
+  });
+}
+
+}  // namespace mozilla::dom::indexedDB