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get_assertion_task.h
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get_assertion_task.h
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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 DEVICE_FIDO_GET_ASSERTION_TASK_H_
#define DEVICE_FIDO_GET_ASSERTION_TASK_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/callback.h"
#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "device/fido/ctap_get_assertion_request.h"
#include "device/fido/device_operation.h"
#include "device/fido/fido_constants.h"
#include "device/fido/fido_task.h"
namespace device {
class AuthenticatorGetAssertionResponse;
// Represents per device sign operation on CTAP1/CTAP2 devices.
// https://fidoalliance.org/specs/fido-v2.0-rd-20161004/fido-client-to-authenticator-protocol-v2.0-rd-20161004.html#authenticatorgetassertion
class COMPONENT_EXPORT(DEVICE_FIDO) GetAssertionTask : public FidoTask {
public:
using GetAssertionTaskCallback = base::OnceCallback<void(
CtapDeviceResponseCode,
base::Optional<AuthenticatorGetAssertionResponse>)>;
using SignOperation = DeviceOperation<CtapGetAssertionRequest,
AuthenticatorGetAssertionResponse>;
GetAssertionTask(FidoDevice* device,
CtapGetAssertionRequest request,
GetAssertionTaskCallback callback);
~GetAssertionTask() override;
private:
// FidoTask:
void StartTask() override;
void GetAssertion(bool enforce_user_presence = false);
void U2fSign();
// Callback logic for CTAP2 GetAssertion. This will fall back to U2F on hybrid
// U2F/CTAP2 devices when:
// a) No credentials were recognized via CTAP2 and,
// b) The request contains the appID extension.
void GetAssertionCallbackWithU2fFallback(
bool is_silent_authentication,
UserVerificationRequirement user_verification_required,
GetAssertionTaskCallback callback,
CtapDeviceResponseCode,
base::Optional<AuthenticatorGetAssertionResponse>);
CtapGetAssertionRequest request_;
std::unique_ptr<SignOperation> sign_operation_;
GetAssertionTaskCallback callback_;
base::WeakPtrFactory<GetAssertionTask> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(GetAssertionTask);
};
} // namespace device
#endif // DEVICE_FIDO_GET_ASSERTION_TASK_H_