Source/WebKit/UIProcess/CredentialManagement/WebCredentialsMessengerProxy.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
 * 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.
 */

#pragma once

#if ENABLE(WEB_AUTHN)

#include "MessageReceiver.h"
#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#include <wtf/WeakPtr.h>

namespace WebCore {
class LocalAuthenticator;

struct ExceptionData;
struct PublicKeyCredentialCreationOptions;
struct PublicKeyCredentialRequestOptions;
}

namespace WebKit {

class WebPageProxy;

class WebCredentialsMessengerProxy : private IPC::MessageReceiver {
    WTF_MAKE_NONCOPYABLE(WebCredentialsMessengerProxy);
public:
    explicit WebCredentialsMessengerProxy(WebPageProxy&);
    ~WebCredentialsMessengerProxy();

private:
    // IPC::MessageReceiver.
    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;

    // Receivers.
    void makeCredential(uint64_t messageId, const Vector<uint8_t>& hash, const WebCore::PublicKeyCredentialCreationOptions&);
    void getAssertion(uint64_t messageId, const Vector<uint8_t>& hash, const WebCore::PublicKeyCredentialRequestOptions&);
    void isUserVerifyingPlatformAuthenticatorAvailable(uint64_t messageId);

    // Senders.
    void exceptionReply(uint64_t messageId, const WebCore::ExceptionData&);
    void makeCredentialReply(uint64_t messageId, const Vector<uint8_t>& credentialId, const Vector<uint8_t>& attestationObject);
    void getAssertionReply(uint64_t messageId, const Vector<uint8_t>& credentialId, const Vector<uint8_t>& authenticatorData, const Vector<uint8_t>& signature, const Vector<uint8_t>& userHandle);
    void isUserVerifyingPlatformAuthenticatorAvailableReply(uint64_t messageId, bool);

    WebPageProxy& m_webPageProxy;
    std::unique_ptr<WebCore::LocalAuthenticator> m_authenticator;
    WeakPtrFactory<WebCredentialsMessengerProxy> m_weakFactory;
};

} // namespace WebKit

#endif // ENABLE(WEB_AUTHN)