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/* -*- 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 "PartitionedLocalStorage.h"
#include "SessionStorageCache.h"
#include "nsContentUtils.h"
#include "mozilla/dom/StorageBinding.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(PartitionedLocalStorage, Storage);
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PartitionedLocalStorage)
NS_INTERFACE_MAP_END_INHERITING(Storage)
NS_IMPL_ADDREF_INHERITED(PartitionedLocalStorage, Storage)
NS_IMPL_RELEASE_INHERITED(PartitionedLocalStorage, Storage)
PartitionedLocalStorage::PartitionedLocalStorage(
nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,
nsIPrincipal* aStoragePrincipal, SessionStorageCache* aCache)
: Storage(aWindow, aPrincipal, aStoragePrincipal), mCache(aCache) {}
PartitionedLocalStorage::~PartitionedLocalStorage() = default;
int64_t PartitionedLocalStorage::GetOriginQuotaUsage() const {
return mCache->GetOriginQuotaUsage();
}
uint32_t PartitionedLocalStorage::GetLength(nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
if (!CanUseStorage(aSubjectPrincipal)) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return 0;
}
return mCache->Length();
}
void PartitionedLocalStorage::Key(uint32_t aIndex, nsAString& aResult,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
if (!CanUseStorage(aSubjectPrincipal)) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
mCache->Key(aIndex, aResult);
}
void PartitionedLocalStorage::GetItem(const nsAString& aKey, nsAString& aResult,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
if (!CanUseStorage(aSubjectPrincipal)) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
mCache->GetItem(aKey, aResult);
}
void PartitionedLocalStorage::GetSupportedNames(nsTArray<nsString>& aKeys) {
if (!CanUseStorage(*nsContentUtils::SubjectPrincipal())) {
// return just an empty array
aKeys.Clear();
return;
}
mCache->GetKeys(aKeys);
}
void PartitionedLocalStorage::SetItem(const nsAString& aKey,
const nsAString& aValue,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
if (!CanUseStorage(aSubjectPrincipal)) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsString oldValue;
nsresult rv = mCache->SetItem(aKey, aValue, oldValue);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
if (rv == NS_SUCCESS_DOM_NO_OPERATION) {
return;
}
}
void PartitionedLocalStorage::RemoveItem(const nsAString& aKey,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
if (!CanUseStorage(aSubjectPrincipal)) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsString oldValue;
nsresult rv = mCache->RemoveItem(aKey, oldValue);
MOZ_ASSERT(NS_SUCCEEDED(rv));
if (rv == NS_SUCCESS_DOM_NO_OPERATION) {
return;
}
}
void PartitionedLocalStorage::Clear(nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) {
uint32_t length = GetLength(aSubjectPrincipal, aRv);
if (!length) {
return;
}
mCache->Clear();
}
bool PartitionedLocalStorage::IsForkOf(const Storage* aOther) const {
MOZ_ASSERT(aOther);
if (aOther->Type() != eLocalStorage) {
return false;
}
return mCache == static_cast<const PartitionedLocalStorage*>(aOther)->mCache;
}
} // namespace mozilla::dom
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