Source/WebKit/Shared/BlobDataFileReferenceWithSandboxExtension.h

/*
 * Copyright (C) 2014 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
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BlobDataFileReferenceWithSandboxExtension_h
#define BlobDataFileReferenceWithSandboxExtension_h

#include <WebCore/BlobDataFileReference.h>

namespace WebKit {

class SandboxExtension;

class BlobDataFileReferenceWithSandboxExtension final : public WebCore::BlobDataFileReference {
public:
    static Ref<BlobDataFileReference> create(const String& path, const String& replacementPath = { }, RefPtr<SandboxExtension>&& sandboxExtension = nullptr)
    {
        return adoptRef(*new BlobDataFileReferenceWithSandboxExtension(path, replacementPath, WTFMove(sandboxExtension)));
    }

private:
    BlobDataFileReferenceWithSandboxExtension(const String& path, const String& replacementPath, RefPtr<SandboxExtension>&&);
    virtual ~BlobDataFileReferenceWithSandboxExtension();

    void prepareForFileAccess() override;
    void revokeFileAccess() override;

    RefPtr<SandboxExtension> m_sandboxExtension;
};

}

#endif // BlobDataFileReferenceWithSandboxExtension_h