Source/WebCore/Modules/indexeddb/IDBDatabaseIdentifier.cpp

/*
 * Copyright (C) 2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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#include "config.h"
#include "IDBDatabaseIdentifier.h"

#if ENABLE(INDEXED_DATABASE)

#include "SecurityOrigin.h"
#include <wtf/FileSystem.h>
#include <wtf/Ref.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

IDBDatabaseIdentifier::IDBDatabaseIdentifier(const String& databaseName, SecurityOriginData&& openingOrigin, SecurityOriginData&& mainFrameOrigin)
    : m_databaseName(databaseName)
    , m_origin { WTFMove(openingOrigin), WTFMove(mainFrameOrigin) }
{
    // The empty string is a valid database name, but a null string is not.
    ASSERT(!databaseName.isNull());
}

IDBDatabaseIdentifier IDBDatabaseIdentifier::isolatedCopy() const
{
    IDBDatabaseIdentifier identifier;

    identifier.m_databaseName = m_databaseName.isolatedCopy();
    identifier.m_origin = m_origin.isolatedCopy();

    return identifier;
}

String IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(const String& rootDirectory, const String& versionString) const
{
    return databaseDirectoryRelativeToRoot(m_origin.topOrigin, m_origin.clientOrigin, rootDirectory, versionString);
}

String IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(const SecurityOriginData& topLevelOrigin, const SecurityOriginData& openingOrigin, const String& rootDirectory, const String& versionString)
{
    String versionDirectory = FileSystem::pathByAppendingComponent(rootDirectory, versionString);
    String mainFrameDirectory = FileSystem::pathByAppendingComponent(versionDirectory, topLevelOrigin.databaseIdentifier());

    // If the opening origin and main frame origins are the same, there is no partitioning.
    if (openingOrigin == topLevelOrigin)
        return mainFrameDirectory;

    return FileSystem::pathByAppendingComponent(mainFrameDirectory, openingOrigin.databaseIdentifier());
}

#if !LOG_DISABLED
String IDBDatabaseIdentifier::debugString() const
{
    return makeString(m_databaseName, "@", m_origin.topOrigin.debugString(), ":", m_origin.clientOrigin.debugString());
}
#endif

} // namespace WebCore

#endif // ENABLE(INDEXED_DATABASE)