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Commit 09166982 authored by Ilya Matyukhin's avatar Ilya Matyukhin
Browse files

Default implementation skeleton for IFace 

Bug: 168730443
Test: atest VtsHalBiometricsFaceTargetTest
Test: atest vts_treble_vintf_vendor_test
Test: atest hal_implementation_test
Change-Id: I97b2b00da928e7f9e175d9853424111d95f285fb
parent 3b542cd3

biometrics/face/aidl/default/Android.bp

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cc_binary {

    name: "android.hardware.biometrics.face-service.example",

    relative_install_path: "hw",

    init_rc: ["face-default.rc"],

    vintf_fragments: ["face-default.xml"],

    vendor: true,

    shared_libs: [

        "libbase",

        "libbinder_ndk",

        "android.hardware.biometrics.face-ndk_platform",

        "android.hardware.biometrics.common-unstable-ndk_platform",

    ],

    srcs: [

        "main.cpp",

        "Face.cpp",

        "Session.cpp",

    ],

}

biometrics/face/aidl/default/Face.cpp

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/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "Face.h"

#include "Session.h"



namespace aidl::android::hardware::biometrics::face {



const int kSensorId = 0;

const common::SensorStrength kSensorStrength = common::SensorStrength::WEAK;

const int kMaxEnrollmentsPerUser = 5;

const FaceSensorType kSensorType = FaceSensorType::RGB;

const bool kHalControlsPreview = true;

const std::string kHwDeviceName = "faceSensor";

const std::string kHardwareVersion = "vendor/model/revision";

const std::string kFirmwareVersion = "1.01";

const std::string kSerialNumber = "00000001";



ndk::ScopedAStatus Face::getSensorProps(std::vector<SensorProps>* return_val) {

    common::HardwareInfo hardware_info;

    hardware_info.deviceName = kHwDeviceName;

    hardware_info.hardwareVersion = kHardwareVersion;

    hardware_info.firmwareVersion = kFirmwareVersion;

    hardware_info.serialNumber = kSerialNumber;



    common::CommonProps commonProps;

    commonProps.sensorId = kSensorId;

    commonProps.sensorStrength = kSensorStrength;

    commonProps.maxEnrollmentsPerUser = kMaxEnrollmentsPerUser;

    commonProps.hardwareInfo = {std::move(hardware_info)};



    SensorProps props;

    props.commonProps = std::move(commonProps);

    props.sensorType = kSensorType;

    props.halControlsPreview = kHalControlsPreview;



    *return_val = {std::move(props)};

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Face::createSession(int32_t /*sensorId*/, int32_t /*userId*/,

                                       const std::shared_ptr<ISessionCallback>& cb,

                                       std::shared_ptr<ISession>* return_val) {

    *return_val = SharedRefBase::make<Session>(cb);

    return ndk::ScopedAStatus::ok();

}



}  // namespace aidl::android::hardware::biometrics::face

biometrics/face/aidl/default/Face.h

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/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#pragma once



#include <aidl/android/hardware/biometrics/face/BnFace.h>



namespace aidl::android::hardware::biometrics::face {



class Face : public BnFace {

  public:

    ndk::ScopedAStatus getSensorProps(std::vector<SensorProps>* _aidl_return) override;



    ndk::ScopedAStatus createSession(int32_t sensorId, int32_t userId,

                                     const std::shared_ptr<ISessionCallback>& cb,

                                     std::shared_ptr<ISession>* _aidl_return) override;

};



}  // namespace aidl::android::hardware::biometrics::face

biometrics/face/aidl/default/Session.cpp

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/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include <aidl/android/hardware/biometrics/common/BnCancellationSignal.h>



#include "Session.h"



namespace aidl::android::hardware::biometrics::face {



class CancellationSignal : public common::BnCancellationSignal {

  public:

    ndk::ScopedAStatus cancel() override { return ndk::ScopedAStatus::ok(); }

};



Session::Session(std::shared_ptr<ISessionCallback> cb) : cb_(std::move(cb)) {}



ndk::ScopedAStatus Session::generateChallenge(int32_t /*cookie*/, int32_t /*sensorId*/,

                                              int32_t /*userId*/, int32_t /*timeoutSec*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::revokeChallenge(int32_t /*cookie*/, int32_t /*sensorId*/,

                                            int32_t /*userId*/, int64_t /*challenge*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::enroll(int32_t /*cookie*/, const keymaster::HardwareAuthToken& /*hat*/,

                                   const NativeHandle& /*previewSurface*/,

                                   std::shared_ptr<biometrics::common::ICancellationSignal>*

                                   /*returnVal*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::authenticate(int32_t /*cookie*/, int64_t /*keystoreOperationId*/,

                                         std::shared_ptr<common::ICancellationSignal>* return_val) {

    if (cb_) {

        cb_->onStateChanged(0, SessionState::AUTHENTICATING);

    }

    *return_val = SharedRefBase::make<CancellationSignal>();

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::detectInteraction(

        int32_t /*cookie*/, std::shared_ptr<common::ICancellationSignal>* /*return_val*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::enumerateEnrollments(int32_t /*cookie*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::removeEnrollments(int32_t /*cookie*/,

                                              const std::vector<int32_t>& /*enrollmentIds*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::getAuthenticatorId(int32_t /*cookie*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::invalidateAuthenticatorId(int32_t /*cookie*/) {

    return ndk::ScopedAStatus::ok();

}



ndk::ScopedAStatus Session::resetLockout(int32_t /*cookie*/,

                                         const keymaster::HardwareAuthToken& /*hat*/) {

    return ndk::ScopedAStatus::ok();

}

}  // namespace aidl::android::hardware::biometrics::face

biometrics/face/aidl/default/Session.h

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/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#pragma once



#include <aidl/android/hardware/biometrics/face/BnSession.h>

#include <aidl/android/hardware/biometrics/face/ISessionCallback.h>



namespace aidl::android::hardware::biometrics::face {



namespace common = aidl::android::hardware::biometrics::common;

namespace keymaster = aidl::android::hardware::keymaster;



using aidl::android::hardware::common::NativeHandle;



class Session : public BnSession {

  public:

    explicit Session(std::shared_ptr<ISessionCallback> cb);



    ndk::ScopedAStatus generateChallenge(int32_t cookie, int32_t sensorId, int32_t userId,

                                         int32_t timeoutSec) override;



    ndk::ScopedAStatus revokeChallenge(int32_t cookie, int32_t sensorId, int32_t userId,

                                       int64_t challenge) override;



    ndk::ScopedAStatus enroll(

            int32_t cookie, const keymaster::HardwareAuthToken& hat,

            const NativeHandle& previewSurface,

            std::shared_ptr<biometrics::common::ICancellationSignal>* returnVal) override;



    ndk::ScopedAStatus authenticate(

            int32_t cookie, int64_t keystoreOperationId,

            std::shared_ptr<common::ICancellationSignal>* returnVal) override;



    ndk::ScopedAStatus detectInteraction(

            int32_t cookie, std::shared_ptr<common::ICancellationSignal>* returnVal) override;



    ndk::ScopedAStatus enumerateEnrollments(int32_t cookie) override;



    ndk::ScopedAStatus removeEnrollments(int32_t cookie,

                                         const std::vector<int32_t>& enrollmentIds) override;



    ndk::ScopedAStatus getAuthenticatorId(int32_t cookie) override;



    ndk::ScopedAStatus invalidateAuthenticatorId(int32_t cookie) override;



    ndk::ScopedAStatus resetLockout(int32_t cookie,

                                    const keymaster::HardwareAuthToken& hat) override;



  private:

    std::shared_ptr<ISessionCallback> cb_;

};



}  // namespace aidl::android::hardware::biometrics::face