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/*
* Copyright (C) 2011, 2013 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.
*/
#ifndef LocalStorageDatabaseTracker_h
#define LocalStorageDatabaseTracker_h
#include <WebCore/SQLiteDatabase.h>
#include <wtf/HashSet.h>
#include <wtf/Optional.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/WorkQueue.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class SecurityOrigin;
}
namespace WebKit {
struct LocalStorageDetails;
class LocalStorageDatabaseTracker : public ThreadSafeRefCounted<LocalStorageDatabaseTracker> {
public:
static PassRefPtr<LocalStorageDatabaseTracker> create(PassRefPtr<WorkQueue>, const String& localStorageDirectory);
~LocalStorageDatabaseTracker();
String databasePath(WebCore::SecurityOrigin*) const;
void didOpenDatabaseWithOrigin(WebCore::SecurityOrigin*);
void deleteDatabaseWithOrigin(WebCore::SecurityOrigin*);
void deleteAllDatabases();
// Returns a vector of the origins whose databases have been deleted.
Vector<Ref<WebCore::SecurityOrigin>> deleteDatabasesModifiedSince(std::chrono::system_clock::time_point);
Vector<Ref<WebCore::SecurityOrigin>> origins() const;
struct OriginDetails {
String originIdentifier;
Optional<time_t> creationTime;
Optional<time_t> modificationTime;
};
Vector<OriginDetails> originDetails();
private:
LocalStorageDatabaseTracker(PassRefPtr<WorkQueue>, const String& localStorageDirectory);
String databasePath(const String& filename) const;
String trackerDatabasePath() const;
enum DatabaseOpeningStrategy {
CreateIfNonExistent,
SkipIfNonExistent
};
void openTrackerDatabase(DatabaseOpeningStrategy);
void importOriginIdentifiers();
void updateTrackerDatabaseFromLocalStorageDatabaseFiles();
void addDatabaseWithOriginIdentifier(const String& originIdentifier, const String& databasePath);
void removeDatabaseWithOriginIdentifier(const String& originIdentifier);
String pathForDatabaseWithOriginIdentifier(const String& originIdentifier);
RefPtr<WorkQueue> m_queue;
String m_localStorageDirectory;
WebCore::SQLiteDatabase m_database;
HashSet<String> m_origins;
};
} // namespace WebKit
#endif // LocalStorageDatabaseTracker_h