/* * 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 "WebAuthenticationFlags.h" #include "WebAuthenticationRequestData.h" #include <WebCore/AuthenticatorResponse.h> #include <WebCore/ExceptionData.h> #include <wtf/Forward.h> #include <wtf/RefCounted.h> #include <wtf/WeakPtr.h> namespace WebKit { class Authenticator : public RefCounted<Authenticator>, public CanMakeWeakPtr<Authenticator> { public: using Respond = Variant<Ref<WebCore::AuthenticatorResponse>, WebCore::ExceptionData>; class Observer : public CanMakeWeakPtr<Observer> { public: virtual ~Observer() = default; virtual void respondReceived(Respond&&) = 0; virtual void downgrade(Authenticator* id, Ref<Authenticator>&& downgradedAuthenticator) = 0; virtual void authenticatorStatusUpdated(WebAuthenticationStatus) = 0; }; virtual ~Authenticator() = default; void setObserver(Observer& observer) { m_observer = makeWeakPtr(observer); } // This operation is guaranteed to execute asynchronously. void handleRequest(const WebAuthenticationRequestData&); protected: Authenticator() = default; Observer* observer() const { return m_observer.get(); } const WebAuthenticationRequestData& requestData() const { return m_pendingRequestData; } void receiveRespond(Respond&&) const; private: virtual void makeCredential() = 0; virtual void getAssertion() = 0; WeakPtr<Observer> m_observer; WebAuthenticationRequestData m_pendingRequestData; }; } // namespace WebKit #endif // ENABLE(WEB_AUTHN)