#include "config.h"
#include "IDBFactory.h"
#if ENABLE(INDEXED_DATABASE)
#include "Document.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "IDBBindingUtilities.h"
#include "IDBDatabase.h"
#include "IDBDatabaseCallbacksImpl.h"
#include "IDBDatabaseException.h"
#include "IDBFactoryBackendInterface.h"
#include "IDBKey.h"
#include "IDBKeyRange.h"
#include "IDBOpenDBRequest.h"
#include "Logging.h"
#include "Page.h"
#include "PageGroup.h"
#include "SchemeRegistry.h"
#include "SecurityOrigin.h"
#include "WorkerGlobalScope.h"
#include "WorkerLoaderProxy.h"
#include "WorkerThread.h"
namespace WebCore {
IDBFactory::IDBFactory(IDBFactoryBackendInterface* factory)
: m_backend(factory)
{
relaxAdoptionRequirement();
}
IDBFactory::~IDBFactory()
{
}
static bool isContextValid(ScriptExecutionContext* context)
{
ASSERT(is<Document>(*context) || context->isWorkerGlobalScope());
if (is<Document>(*context)) {
Document& document = downcast<Document>(*context);
return document.frame() && document.page() && (!document.page()->usesEphemeralSession() || SchemeRegistry::allowsDatabaseAccessInPrivateBrowsing(document.securityOrigin()->protocol()));
}
return true;
}
PassRefPtr<IDBRequest> IDBFactory::getDatabaseNames(ScriptExecutionContext* context, ExceptionCode& ec)
{
LOG(StorageAPI, "IDBFactory::getDatabaseNames");
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), 0);
m_backend->getDatabaseNames(request, *(context->securityOrigin()), *(context->topOrigin()), context);
return request;
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ScriptExecutionContext* context, const String& name, ExceptionCode& ec)
{
LOG(StorageAPI, "IDBFactory::open");
return openInternal(context, name, 0, IndexedDB::VersionNullness::Null, ec);
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ScriptExecutionContext* context, const String& name, unsigned long long version, ExceptionCode& ec)
{
LOG(StorageAPI, "IDBFactory::open");
if (!version) {
ec = TypeError;
return 0;
}
return openInternal(context, name, version, IndexedDB::VersionNullness::NonNull, ec);
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::openInternal(ScriptExecutionContext* context, const String& name, uint64_t version, IndexedDB::VersionNullness versionNullness, ExceptionCode& ec)
{
ASSERT(version >= 1 || versionNullness == IndexedDB::VersionNullness::Null);
if (name.isNull()) {
ec = TypeError;
return 0;
}
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBDatabaseCallbacks> databaseCallbacks = IDBDatabaseCallbacksImpl::create();
int64_t transactionId = IDBDatabase::nextTransactionId();
RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, databaseCallbacks, transactionId, version, versionNullness);
m_backend->open(name, version, transactionId, request, databaseCallbacks, *(context->securityOrigin()), *(context->topOrigin()));
return request;
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::deleteDatabase(ScriptExecutionContext* context, const String& name, ExceptionCode& ec)
{
LOG(StorageAPI, "IDBFactory::deleteDatabase");
if (name.isNull()) {
ec = TypeError;
return 0;
}
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, 0, 0, 0, IndexedDB::VersionNullness::Null);
m_backend->deleteDatabase(name, *context->securityOrigin(), *context->topOrigin(), request, context);
return request;
}
short IDBFactory::cmp(ScriptExecutionContext* context, const Deprecated::ScriptValue& firstValue, const Deprecated::ScriptValue& secondValue, ExceptionCode& ec)
{
DOMRequestState requestState(context);
RefPtr<IDBKey> first = scriptValueToIDBKey(&requestState, firstValue);
RefPtr<IDBKey> second = scriptValueToIDBKey(&requestState, secondValue);
ASSERT(first);
ASSERT(second);
if (!first->isValid() || !second->isValid()) {
ec = IDBDatabaseException::DataError;
return 0;
}
return static_cast<short>(first->compare(second.get()));
}
}
#endif // ENABLE(INDEXED_DATABASE)