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/*
* Copyright (C) 2018 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.
*/
package android.hardware.face;
import android.hardware.biometrics.IBiometricServiceReceiverInternal;
import android.hardware.biometrics.IBiometricServiceLockoutResetCallback;
import android.hardware.face.IFaceServiceReceiver;
import android.hardware.face.Face;
/**
* Communication channel from client to the face service. These methods are all require the
* MANAGE_BIOMETRIC signature permission.
* @hide
*/
interface IFaceService {
// Authenticate the given sessionId with a face
void authenticate(IBinder token, long sessionId, int userid,
IFaceServiceReceiver receiver, int flags, String opPackageName);
// This method prepares the service to start authenticating, but doesn't start authentication.
// This is protected by the MANAGE_BIOMETRIC signatuer permission. This method should only be
// called from BiometricService. The additional uid, pid, userId arguments should be determined
// by BiometricService. To start authentication after the clients are ready, use
// startPreparedClient().
void prepareForAuthentication(boolean requireConfirmation, IBinder token, long sessionId,
int userId, IBiometricServiceReceiverInternal wrapperReceiver, String opPackageName,
int cookie, int callingUid, int callingPid, int callingUserId);
// Starts authentication with the previously prepared client.
void startPreparedClient(int cookie);
// Cancel authentication for the given sessionId
void cancelAuthentication(IBinder token, String opPackageName);
// Same as above, with extra arguments.
void cancelAuthenticationFromService(IBinder token, String opPackageName,
int callingUid, int callingPid, int callingUserId, boolean fromClient);
// Start face enrollment
void enroll(int userId, IBinder token, in byte [] cryptoToken, IFaceServiceReceiver receiver,
String opPackageName, in int [] disabledFeatures);
// Cancel enrollment in progress
void cancelEnrollment(IBinder token);
// Any errors resulting from this call will be returned to the listener
void remove(IBinder token, int faceId, int userId, IFaceServiceReceiver receiver,
String opPackageName);
// Rename the face specified by faceId to the given name
void rename(int faceId, String name);
// Get the enrolled face for user.
List<Face> getEnrolledFaces(int userId, String opPackageName);
// Determine if HAL is loaded and ready
boolean isHardwareDetected(long deviceId, String opPackageName);
// Get a pre-enrollment authentication token
long generateChallenge(IBinder token);
// Finish an enrollment sequence and invalidate the authentication token
int revokeChallenge(IBinder token);
// Determine if a user has at least one enrolled face
boolean hasEnrolledFaces(int userId, String opPackageName);
// Gets the number of hardware devices
// int getHardwareDeviceCount();
// Gets the unique device id for hardware enumerated at i
// long getHardwareDevice(int i);
// Gets the authenticator ID for face
long getAuthenticatorId(String opPackageName);
// Reset the lockout when user authenticates with strong auth (e.g. PIN, pattern or password)
void resetLockout(in byte [] token);
// Add a callback which gets notified when the face lockout period expired.
void addLockoutResetCallback(IBiometricServiceLockoutResetCallback callback);
// Explicitly set the active user (for enrolling work profile)
void setActiveUser(int uid);
// Enumerate all faces
void enumerate(IBinder token, int userId, IFaceServiceReceiver receiver);
void setFeature(int userId, int feature, boolean enabled, in byte [] token,
IFaceServiceReceiver receiver, String opPackageName);
void getFeature(int userId, int feature, IFaceServiceReceiver receiver, String opPackageName);
void userActivity();
}
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