StorageNamespaceProvider.cpp [plain text]
#include "config.h"
#include "StorageNamespaceProvider.h"
#include "Document.h"
#include "Page.h"
#include "SecurityOriginData.h"
#include "StorageArea.h"
#include "StorageNamespace.h"
namespace WebCore {
unsigned localStorageDatabaseQuotaInBytes = 5 * 1024 * 1024;
StorageNamespaceProvider::StorageNamespaceProvider()
{
}
StorageNamespaceProvider::~StorageNamespaceProvider()
{
}
Ref<StorageArea> StorageNamespaceProvider::localStorageArea(Document& document)
{
ASSERT(document.page());
bool transient = !document.securityOrigin().canAccessLocalStorage(&document.topOrigin());
RefPtr<StorageNamespace> storageNamespace;
if (transient)
storageNamespace = &transientLocalStorageNamespace(document.topOrigin(), document.page()->sessionID());
else
storageNamespace = &localStorageNamespace(document.page()->sessionID());
return storageNamespace->storageArea(document.securityOrigin().data());
}
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(const 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);
}
}
}