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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "StorageNamespaceImpl.h"
#include "StorageAreaImpl.h"
#include "StorageSyncManager.h"
#include "StorageTracker.h"
#include <WebCore/StorageMap.h>
#include <WebCore/StorageType.h>
#include <wtf/MainThread.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/StringHash.h>
using namespace WebCore;
namespace WebKit {
static HashMap<String, StorageNamespaceImpl*>& localStorageNamespaceMap()
{
static NeverDestroyed<HashMap<String, StorageNamespaceImpl*>> localStorageNamespaceMap;
return localStorageNamespaceMap;
}
Ref<StorageNamespaceImpl> StorageNamespaceImpl::createSessionStorageNamespace(unsigned quota)
{
return adoptRef(*new StorageNamespaceImpl(StorageType::Session, String(), quota));
}
Ref<StorageNamespaceImpl> StorageNamespaceImpl::createEphemeralLocalStorageNamespace(unsigned quota)
{
return adoptRef(*new StorageNamespaceImpl(StorageType::EphemeralLocal, String(), quota));
}
Ref<StorageNamespaceImpl> StorageNamespaceImpl::getOrCreateLocalStorageNamespace(const String& databasePath, unsigned quota)
{
ASSERT(!databasePath.isNull());
auto& slot = localStorageNamespaceMap().add(databasePath, nullptr).iterator->value;
if (slot)
return *slot;
Ref<StorageNamespaceImpl> storageNamespace = adoptRef(*new StorageNamespaceImpl(StorageType::Local, databasePath, quota));
slot = storageNamespace.ptr();
return storageNamespace;
}
StorageNamespaceImpl::StorageNamespaceImpl(StorageType storageType, const String& path, unsigned quota)
: m_storageType(storageType)
, m_path(path.isolatedCopy())
, m_syncManager(0)
, m_quota(quota)
, m_isShutdown(false)
{
if (isPersistentLocalStorage(m_storageType) && !m_path.isEmpty())
m_syncManager = StorageSyncManager::create(m_path);
}
StorageNamespaceImpl::~StorageNamespaceImpl()
{
ASSERT(isMainThread());
if (isPersistentLocalStorage(m_storageType)) {
ASSERT(localStorageNamespaceMap().get(m_path) == this);
localStorageNamespaceMap().remove(m_path);
}
if (!m_isShutdown)
close();
}
Ref<StorageNamespace> StorageNamespaceImpl::copy(Page*)
{
ASSERT(isMainThread());
ASSERT(!m_isShutdown);
ASSERT(m_storageType == StorageType::Session || m_storageType == StorageType::EphemeralLocal);
auto newNamespace = adoptRef(*new StorageNamespaceImpl(m_storageType, m_path, m_quota));
for (auto& iter : m_storageAreaMap)
newNamespace->m_storageAreaMap.set(iter.key, iter.value->copy());
return WTFMove(newNamespace);
}
Ref<StorageArea> StorageNamespaceImpl::storageArea(const SecurityOriginData& origin)
{
ASSERT(isMainThread());
ASSERT(!m_isShutdown);
if (RefPtr<StorageAreaImpl> storageArea = m_storageAreaMap.get(origin))
return storageArea.releaseNonNull();
auto storageArea = StorageAreaImpl::create(m_storageType, origin, m_syncManager.get(), m_quota);
m_storageAreaMap.set(origin, storageArea.ptr());
return WTFMove(storageArea);
}
void StorageNamespaceImpl::close()
{
ASSERT(isMainThread());
if (m_isShutdown)
return;
// If we're not a persistent storage, we shouldn't need to do any work here.
if (m_storageType == StorageType::Session || m_storageType == StorageType::EphemeralLocal) {
ASSERT(!m_syncManager);
return;
}
StorageAreaMap::iterator end = m_storageAreaMap.end();
for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
it->value->close();
if (m_syncManager)
m_syncManager->close();
m_isShutdown = true;
}
void StorageNamespaceImpl::clearOriginForDeletion(const SecurityOriginData& origin)
{
ASSERT(isMainThread());
RefPtr<StorageAreaImpl> storageArea = m_storageAreaMap.get(origin);
if (storageArea)
storageArea->clearForOriginDeletion();
}
void StorageNamespaceImpl::clearAllOriginsForDeletion()
{
ASSERT(isMainThread());
StorageAreaMap::iterator end = m_storageAreaMap.end();
for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
it->value->clearForOriginDeletion();
}
void StorageNamespaceImpl::sync()
{
ASSERT(isMainThread());
StorageAreaMap::iterator end = m_storageAreaMap.end();
for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
it->value->sync();
}
void StorageNamespaceImpl::closeIdleLocalStorageDatabases()
{
ASSERT(isMainThread());
StorageAreaMap::iterator end = m_storageAreaMap.end();
for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
it->value->closeDatabaseIfIdle();
}
} // namespace WebCore