| // 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_FIDO_TASK_H_ |
| #define DEVICE_FIDO_FIDO_TASK_H_ |
| |
| #include <stdint.h> |
| |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/component_export.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "device/fido/fido_device.h" |
| |
| namespace device { |
| |
| // Encapsulates per-device request logic shared between MakeCredential and |
| // GetAssertion. |
| // |
| // TODO(martinkr): FidoTask should be subsumed by FidoDeviceAuthenticator. |
| class COMPONENT_EXPORT(DEVICE_FIDO) FidoTask { |
| public: |
| // The |device| must outlive the FidoTask instance. |
| explicit FidoTask(FidoDevice* device); |
| virtual ~FidoTask(); |
| |
| // Cancel attempts to cancel the operation. This may safely be called at any |
| // point but may not be effective because the task may have already completed |
| // or the device may not support cancelation. Even if canceled, the callback |
| // will still be invoked, albeit perhaps with a status of |
| // |kCtap2ErrKeepAliveCancel|. |
| virtual void Cancel() = 0; |
| |
| protected: |
| // Asynchronously initiates CTAP request operation for a single device. |
| virtual void StartTask() = 0; |
| |
| FidoDevice* device() const { |
| DCHECK(device_); |
| return device_; |
| } |
| |
| private: |
| FidoDevice* const device_; |
| base::WeakPtrFactory<FidoTask> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FidoTask); |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_FIDO_FIDO_TASK_H_ |