Source/WebKit/UIProcess/WebAuthentication/fido/CtapHidAuthenticator.h

/*
 * Copyright (C) 2018 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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 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(WEB_AUTHN) && PLATFORM(MAC)

#include "Authenticator.h"
#include <WebCore/AuthenticatorGetInfoResponse.h>

namespace WebKit {

class CtapHidDriver;

class CtapHidAuthenticator final : public Authenticator {
public:
    static Ref<CtapHidAuthenticator> create(std::unique_ptr<CtapHidDriver>&& driver, fido::AuthenticatorGetInfoResponse&& info)
    {
        return adoptRef(*new CtapHidAuthenticator(WTFMove(driver), WTFMove(info)));
    }

private:
    explicit CtapHidAuthenticator(std::unique_ptr<CtapHidDriver>&&, fido::AuthenticatorGetInfoResponse&&);

    void makeCredential() final;
    void continueMakeCredentialAfterResponseReceived(Vector<uint8_t>&&) const;
    void getAssertion() final;
    void continueGetAssertionAfterResponseReceived(Vector<uint8_t>&&);

    bool tryDowngrade();

    std::unique_ptr<CtapHidDriver> m_driver;
    fido::AuthenticatorGetInfoResponse m_info;
    bool m_isDowngraded { false };
};

} // namespace WebKit

#endif // ENABLE(WEB_AUTHN) && PLATFORM(MAC)