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/*
* Copyright (C) 2014 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. AND ITS CONTRIBUTORS ``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 ITS 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 "config.h"
#include "StorageNamespaceProvider.h"
#include "Document.h"
#include "Page.h"
#include "SecurityOriginData.h"
#include "StorageArea.h"
#include "StorageNamespace.h"
namespace WebCore {
// Suggested by the HTML5 spec.
unsigned localStorageDatabaseQuotaInBytes = 5 * 1024 * 1024;
StorageNamespaceProvider::StorageNamespaceProvider()
{
}
StorageNamespaceProvider::~StorageNamespaceProvider()
{
}
Ref<StorageArea> StorageNamespaceProvider::localStorageArea(Document& document)
{
// This StorageNamespaceProvider was retrieved from the Document's Page,
// so the Document had better still actually have a Page.
ASSERT(document.page());
RefPtr<StorageNamespace> storageNamespace;
if (document.canAccessResource(ScriptExecutionContext::ResourceType::LocalStorage) == ScriptExecutionContext::HasResourceAccess::DefaultForThirdParty)
storageNamespace = &transientLocalStorageNamespace(document.topOrigin(), document.page()->sessionID());
else
storageNamespace = &localStorageNamespace(document.page()->sessionID());
return storageNamespace->storageArea(document.securityOrigin());
}
Ref<StorageArea> StorageNamespaceProvider::sessionStorageArea(Document& document)
{
// This StorageNamespaceProvider was retrieved from the Document's Page,
// so the Document had better still actually have a Page.
ASSERT(document.page());
return sessionStorageNamespace(document.topOrigin(), *document.page())->storageArea(document.securityOrigin());
}
StorageNamespace& StorageNamespaceProvider::localStorageNamespace(PAL::SessionID sessionID)
{
if (!m_localStorageNamespace)
m_localStorageNamespace = createLocalStorageNamespace(localStorageDatabaseQuotaInBytes, sessionID);
ASSERT(m_localStorageNamespace->sessionID() == sessionID);
return *m_localStorageNamespace;
}
StorageNamespace& StorageNamespaceProvider::transientLocalStorageNamespace(SecurityOrigin& securityOrigin, PAL::SessionID sessionID)
{
auto& slot = m_transientLocalStorageNamespaces.add(securityOrigin.data(), nullptr).iterator->value;
if (!slot)
slot = createTransientLocalStorageNamespace(securityOrigin, localStorageDatabaseQuotaInBytes, sessionID);
ASSERT(slot->sessionID() == sessionID);
return *slot;
}
void StorageNamespaceProvider::setSessionIDForTesting(PAL::SessionID newSessionID)
{
if (m_localStorageNamespace && newSessionID != m_localStorageNamespace->sessionID())
m_localStorageNamespace->setSessionIDForTesting(newSessionID);
for (auto& transientLocalStorageNamespace : m_transientLocalStorageNamespaces.values()) {
if (newSessionID != transientLocalStorageNamespace->sessionID())
m_localStorageNamespace->setSessionIDForTesting(newSessionID);
}
}
}
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