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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_WEBAUTH_VIRTUAL_AUTHENTICATOR_H_
#define CONTENT_BROWSER_WEBAUTH_VIRTUAL_AUTHENTICATOR_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "device/fido/fido_transport_protocol.h"
#include "device/fido/virtual_fido_device.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "third_party/blink/public/platform/modules/webauth/virtual_authenticator.mojom.h"
namespace content {
// Implements the Mojo interface representing a stateful virtual authenticator.
//
// This class has very little logic itself, it merely stores a unique ID and the
// state of the authenticator, whereas performing all cryptographic operations
// is delegated to the VirtualFidoDevice class.
class CONTENT_EXPORT VirtualAuthenticator
: public blink::test::mojom::VirtualAuthenticator {
public:
explicit VirtualAuthenticator(::device::FidoTransportProtocol transport);
~VirtualAuthenticator() override;
void AddBinding(blink::test::mojom::VirtualAuthenticatorRequest request);
::device::FidoTransportProtocol transport() const { return transport_; }
const std::string& unique_id() const { return unique_id_; }
// Constructs a VirtualFidoDevice instance that will perform cryptographic
// operations on behalf of, and using the state stored in this virtual
// authenticator.
//
// There is an N:1 relationship between VirtualFidoDevices and this class, so
// this method can be called any number of times.
std::unique_ptr<::device::FidoDevice> ConstructDevice();
protected:
// blink::test::mojom::VirtualAuthenticator:
void GetUniqueId(GetUniqueIdCallback callback) override;
void GetRegistrations(GetRegistrationsCallback callback) override;
void AddRegistration(blink::test::mojom::RegisteredKeyPtr registration,
AddRegistrationCallback callback) override;
void ClearRegistrations(ClearRegistrationsCallback callback) override;
void SetUserPresence(bool present, SetUserPresenceCallback callback) override;
void GetUserPresence(GetUserPresenceCallback callback) override;
private:
const ::device::FidoTransportProtocol transport_;
const std::string unique_id_;
scoped_refptr<::device::VirtualFidoDevice::State> state_;
mojo::BindingSet<blink::test::mojom::VirtualAuthenticator> binding_set_;
DISALLOW_COPY_AND_ASSIGN(VirtualAuthenticator);
};
} // namespace content
#endif // CONTENT_BROWSER_WEBAUTH_VIRTUAL_AUTHENTICATOR_H_
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