void StorageAreaImpl::setItem(const String& key, const String& value, ExceptionCode& ec, Frame* frame)
{
ASSERT(!m_isShutdown);
ASSERT(!value.isNull());
blockUntilImportComplete();
if (privateBrowsingEnabled(frame)) {
ec = QUOTA_EXCEEDED_ERR;
return;
}
String oldValue;
bool quotaException;
RefPtr<StorageMap> newMap = m_storageMap->setItem(key, value, oldValue, quotaException);
if (quotaException) {
ec = QUOTA_EXCEEDED_ERR;
return;
}
if (newMap)
m_storageMap = newMap.release();
// Only notify the client if an item was actually changed
if (oldValue != value) {
if (m_storageAreaSync)
m_storageAreaSync->scheduleItemForSync(key, value);
StorageEventDispatcher::dispatch(key, oldValue, value, m_storageType, m_securityOrigin.get(), frame);
}
}
unsigned StorageAreaImpl::length()
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->length();
}
String StorageAreaImpl::key(unsigned index)
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->key(index);
}
void StorageAreaImpl::removeItem(const String& key, ExceptionCode& ec, Frame* frame)
{
ec = 0;
if (!canAccessStorage(frame)) {
ec = SECURITY_ERR;
return;
}
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (disabledByPrivateBrowsingInFrame(frame))
return;
String oldValue;
RefPtr<StorageMap> newMap = m_storageMap->removeItem(key, oldValue);
if (newMap)
m_storageMap = newMap.release();
if (oldValue.isNull())
return;
if (m_storageAreaSync)
m_storageAreaSync->scheduleItemForSync(key, String());
StorageEventDispatcher::dispatch(key, oldValue, String(), m_storageType, m_securityOrigin.get(), frame);
}
String StorageAreaImpl::getItem(const String& key) const
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->getItem(key);
}
bool StorageAreaImpl::contains(const String& key) const
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->contains(key);
}
void StorageAreaImpl::sync()
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (m_storageAreaSync)
m_storageAreaSync->scheduleSync();
}
void StorageAreaImpl::clearForOriginDeletion()
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (m_storageMap->length()) {
unsigned quota = m_storageMap->quota();
m_storageMap = StorageMap::create(quota);
}
if (m_storageAreaSync) {
m_storageAreaSync->scheduleClear();
m_storageAreaSync->scheduleCloseDatabase();
}
}
bool StorageAreaImpl::contains(const String& key, ExceptionCode& ec, Frame* frame) const
{
ec = 0;
if (!canAccessStorage(frame)) {
ec = SECURITY_ERR;
return false;
}
if (disabledByPrivateBrowsingInFrame(frame))
return false;
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->contains(key);
}
void StorageAreaImpl::clear(Frame* frame)
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (privateBrowsingEnabled(frame))
return;
unsigned quota = m_storageMap->quota();
m_storageMap = StorageMap::create(quota);
if (m_storageAreaSync)
m_storageAreaSync->scheduleClear();
StorageEventDispatcher::dispatch(String(), String(), String(), m_storageType, m_securityOrigin.get(), frame);
}
String StorageAreaImpl::key(unsigned index, ExceptionCode& ec, Frame* frame) const
{
ec = 0;
if (!canAccessStorage(frame)) {
ec = SECURITY_ERR;
return String();
}
if (disabledByPrivateBrowsingInFrame(frame))
return String();
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->key(index);
}
unsigned StorageAreaImpl::length(ExceptionCode& ec, Frame* frame) const
{
ec = 0;
if (!canAccessStorage(frame)) {
ec = SECURITY_ERR;
return 0;
}
if (disabledByPrivateBrowsingInFrame(frame))
return 0;
ASSERT(!m_isShutdown);
blockUntilImportComplete();
return m_storageMap->length();
}
void StorageAreaImpl::clear(Frame* sourceFrame)
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (!m_storageMap->length())
return;
unsigned quota = m_storageMap->quota();
m_storageMap = StorageMap::create(quota);
if (m_storageAreaSync)
m_storageAreaSync->scheduleClear();
dispatchStorageEvent(String(), String(), String(), sourceFrame);
}
void StorageAreaSync::scheduleFinalSync()
{
ASSERT(isMainThread());
// FIXME: We do this to avoid races, but it'd be better to make things safe without blocking.
blockUntilImportComplete();
if (m_syncTimer.isActive())
m_syncTimer.stop();
else {
// The following is balanced by the call to enableSuddenTermination in the
// syncTimerFired function.
disableSuddenTermination();
}
// FIXME: This is synchronous. We should do it on the background process, but
// we should do it safely.
syncTimerFired(&m_syncTimer);
m_finalSyncScheduled = true;
}
void StorageAreaImpl::removeItem(Frame* sourceFrame, const String& key)
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
String oldValue;
auto newMap = m_storageMap->removeItem(key, oldValue);
if (newMap)
m_storageMap = WTFMove(newMap);
if (oldValue.isNull())
return;
if (m_storageAreaSync)
m_storageAreaSync->scheduleItemForSync(key, String());
dispatchStorageEvent(key, oldValue, String(), sourceFrame);
}
void StorageAreaSync::scheduleFinalSync()
{
ASSERT(isMainThread());
// FIXME: We do this to avoid races, but it'd be better to make things safe without blocking.
blockUntilImportComplete();
m_storageArea = 0; // This is done in blockUntilImportComplete() but this is here as a form of documentation that we must be absolutely sure the ref count cycle is broken.
if (m_syncTimer.isActive())
m_syncTimer.stop();
else {
// The following is balanced by the call to enableSuddenTermination in the
// syncTimerFired function.
disableSuddenTermination();
}
// FIXME: This is synchronous. We should do it on the background process, but
// we should do it safely.
m_finalSyncScheduled = true;
syncTimerFired(&m_syncTimer);
m_syncManager->scheduleDeleteEmptyDatabase(this);
}
void StorageAreaImpl::removeItem(const String& key, Frame* frame)
{
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (privateBrowsingEnabled(frame))
return;
String oldValue;
RefPtr<StorageMap> newMap = m_storageMap->removeItem(key, oldValue);
if (newMap)
m_storageMap = newMap.release();
// Only notify the client if an item was actually removed
if (!oldValue.isNull()) {
if (m_storageAreaSync)
m_storageAreaSync->scheduleItemForSync(key, String());
StorageEventDispatcher::dispatch(key, oldValue, String(), m_storageType, m_securityOrigin.get(), frame);
}
}
void StorageAreaImpl::setItem(Frame* sourceFrame, const String& key, const String& value, bool& quotaException)
{
ASSERT(!m_isShutdown);
ASSERT(!value.isNull());
blockUntilImportComplete();
String oldValue;
auto newMap = m_storageMap->setItem(key, value, oldValue, quotaException);
if (newMap)
m_storageMap = WTFMove(newMap);
if (quotaException)
return;
if (oldValue == value)
return;
if (m_storageAreaSync)
m_storageAreaSync->scheduleItemForSync(key, value);
dispatchStorageEvent(key, oldValue, value, sourceFrame);
}
void StorageAreaImpl::clear(ExceptionCode& ec, Frame* frame)
{
ec = 0;
if (!canAccessStorage(frame)) {
ec = SECURITY_ERR;
return;
}
ASSERT(!m_isShutdown);
blockUntilImportComplete();
if (disabledByPrivateBrowsingInFrame(frame))
return;
if (!m_storageMap->length())
return;
unsigned quota = m_storageMap->quota();
m_storageMap = StorageMap::create(quota);
if (m_storageAreaSync)
m_storageAreaSync->scheduleClear();
StorageEventDispatcher::dispatch(String(), String(), String(), m_storageType, m_securityOrigin.get(), frame);
}
void StorageAreaImpl::closeDatabaseTimerFired()
{
blockUntilImportComplete();
if (m_storageAreaSync)
m_storageAreaSync->scheduleCloseDatabase();
}