| /* |
| * Copyright (C) 2015 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 com.android.systemui.statusbar.phone; |
| |
| import static android.app.StatusBarManager.SESSION_KEYGUARD; |
| |
| import static com.android.systemui.keyguard.WakefulnessLifecycle.UNKNOWN_LAST_WAKE_TIME; |
| |
| import android.annotation.IntDef; |
| import android.content.res.Resources; |
| import android.hardware.biometrics.BiometricFaceConstants; |
| import android.hardware.biometrics.BiometricFingerprintConstants; |
| import android.hardware.biometrics.BiometricSourceType; |
| import android.hardware.fingerprint.FingerprintManager; |
| import android.metrics.LogMaker; |
| import android.os.Handler; |
| import android.os.PowerManager; |
| import android.os.Trace; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.InstanceId; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.logging.UiEvent; |
| import com.android.internal.logging.UiEventLogger; |
| import com.android.internal.logging.UiEventLoggerImpl; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.internal.util.LatencyTracker; |
| import com.android.keyguard.KeyguardUpdateMonitor; |
| import com.android.keyguard.KeyguardUpdateMonitorCallback; |
| import com.android.keyguard.KeyguardViewController; |
| import com.android.keyguard.logging.BiometricUnlockLogger; |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.R; |
| import com.android.systemui.biometrics.AuthController; |
| import com.android.systemui.dagger.SysUISingleton; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.dump.DumpManager; |
| import com.android.systemui.keyguard.KeyguardViewMediator; |
| import com.android.systemui.keyguard.ScreenLifecycle; |
| import com.android.systemui.keyguard.WakefulnessLifecycle; |
| import com.android.systemui.log.SessionTracker; |
| import com.android.systemui.plugins.statusbar.StatusBarStateController; |
| import com.android.systemui.statusbar.NotificationMediaManager; |
| import com.android.systemui.statusbar.NotificationShadeWindowController; |
| import com.android.systemui.statusbar.VibratorHelper; |
| import com.android.systemui.statusbar.policy.KeyguardStateController; |
| import com.android.systemui.util.time.SystemClock; |
| |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * Controller which coordinates all the biometric unlocking actions with the UI. |
| */ |
| @SysUISingleton |
| public class BiometricUnlockController extends KeyguardUpdateMonitorCallback implements Dumpable { |
| private static final long RECENT_POWER_BUTTON_PRESS_THRESHOLD_MS = 400L; |
| private static final long BIOMETRIC_WAKELOCK_TIMEOUT_MS = 15 * 1000; |
| private static final String BIOMETRIC_WAKE_LOCK_NAME = "wake-and-unlock:wakelock"; |
| private static final UiEventLogger UI_EVENT_LOGGER = new UiEventLoggerImpl(); |
| private static final int UDFPS_ATTEMPTS_BEFORE_SHOW_BOUNCER = 3; |
| |
| @IntDef(prefix = { "MODE_" }, value = { |
| MODE_NONE, |
| MODE_WAKE_AND_UNLOCK, |
| MODE_WAKE_AND_UNLOCK_PULSING, |
| MODE_SHOW_BOUNCER, |
| MODE_ONLY_WAKE, |
| MODE_UNLOCK_COLLAPSING, |
| MODE_DISMISS_BOUNCER, |
| MODE_WAKE_AND_UNLOCK_FROM_DREAM |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface WakeAndUnlockMode {} |
| |
| /** |
| * Mode in which we don't need to wake up the device when we authenticate. |
| */ |
| public static final int MODE_NONE = 0; |
| |
| /** |
| * Mode in which we wake up the device, and directly dismiss Keyguard. Active when we acquire |
| * a fingerprint while the screen is off and the device was sleeping. |
| */ |
| public static final int MODE_WAKE_AND_UNLOCK = 1; |
| |
| /** |
| * Mode in which we wake the device up, and fade out the Keyguard contents because they were |
| * already visible while pulsing in doze mode. |
| */ |
| public static final int MODE_WAKE_AND_UNLOCK_PULSING = 2; |
| |
| /** |
| * Mode in which we wake up the device, but play the normal dismiss animation. Active when we |
| * acquire a fingerprint pulsing in doze mode. |
| */ |
| public static final int MODE_SHOW_BOUNCER = 3; |
| |
| /** |
| * Mode in which we only wake up the device, and keyguard was not showing when we authenticated. |
| * */ |
| public static final int MODE_ONLY_WAKE = 4; |
| |
| /** |
| * Mode in which fingerprint unlocks the device or passive auth (ie face auth) unlocks the |
| * device while being requested when keyguard is occluded or showing. |
| */ |
| public static final int MODE_UNLOCK_COLLAPSING = 5; |
| |
| /** |
| * Mode in which fingerprint wakes and unlocks the device from a dream. |
| */ |
| public static final int MODE_WAKE_AND_UNLOCK_FROM_DREAM = 6; |
| |
| /** |
| * When bouncer is visible and will be dismissed. |
| */ |
| public static final int MODE_DISMISS_BOUNCER = 7; |
| |
| /** |
| * How much faster we collapse the lockscreen when authenticating with biometric. |
| */ |
| private static final float BIOMETRIC_COLLAPSE_SPEEDUP_FACTOR = 1.1f; |
| |
| private final NotificationMediaManager mMediaManager; |
| private final PowerManager mPowerManager; |
| private final Handler mHandler; |
| private final KeyguardBypassController mKeyguardBypassController; |
| private PowerManager.WakeLock mWakeLock; |
| private final KeyguardUpdateMonitor mUpdateMonitor; |
| private final KeyguardStateController mKeyguardStateController; |
| private final NotificationShadeWindowController mNotificationShadeWindowController; |
| private final SessionTracker mSessionTracker; |
| private final int mConsecutiveFpFailureThreshold; |
| private int mMode; |
| private BiometricSourceType mBiometricType; |
| private KeyguardViewController mKeyguardViewController; |
| private DozeScrimController mDozeScrimController; |
| private KeyguardViewMediator mKeyguardViewMediator; |
| private PendingAuthenticated mPendingAuthenticated = null; |
| private boolean mHasScreenTurnedOnSinceAuthenticating; |
| private boolean mFadedAwayAfterWakeAndUnlock; |
| private Set<BiometricUnlockEventsListener> mBiometricUnlockEventsListeners = new HashSet<>(); |
| |
| private final MetricsLogger mMetricsLogger; |
| private final AuthController mAuthController; |
| private final StatusBarStateController mStatusBarStateController; |
| private final WakefulnessLifecycle mWakefulnessLifecycle; |
| private final LatencyTracker mLatencyTracker; |
| private final VibratorHelper mVibratorHelper; |
| private final BiometricUnlockLogger mLogger; |
| private final SystemClock mSystemClock; |
| |
| private long mLastFpFailureUptimeMillis; |
| private int mNumConsecutiveFpFailures; |
| |
| private static final class PendingAuthenticated { |
| public final int userId; |
| public final BiometricSourceType biometricSourceType; |
| public final boolean isStrongBiometric; |
| |
| PendingAuthenticated(int userId, BiometricSourceType biometricSourceType, |
| boolean isStrongBiometric) { |
| this.userId = userId; |
| this.biometricSourceType = biometricSourceType; |
| this.isStrongBiometric = isStrongBiometric; |
| } |
| } |
| |
| public enum BiometricUiEvent implements UiEventLogger.UiEventEnum { |
| |
| @UiEvent(doc = "A biometric event of type fingerprint succeeded.") |
| BIOMETRIC_FINGERPRINT_SUCCESS(396), |
| |
| @UiEvent(doc = "A biometric event of type fingerprint failed.") |
| BIOMETRIC_FINGERPRINT_FAILURE(397), |
| |
| @UiEvent(doc = "A biometric event of type fingerprint errored.") |
| BIOMETRIC_FINGERPRINT_ERROR(398), |
| |
| @UiEvent(doc = "A biometric event of type face unlock succeeded.") |
| BIOMETRIC_FACE_SUCCESS(399), |
| |
| @UiEvent(doc = "A biometric event of type face unlock failed.") |
| BIOMETRIC_FACE_FAILURE(400), |
| |
| @UiEvent(doc = "A biometric event of type face unlock errored.") |
| BIOMETRIC_FACE_ERROR(401), |
| |
| @UiEvent(doc = "A biometric event of type iris succeeded.") |
| BIOMETRIC_IRIS_SUCCESS(402), |
| |
| @UiEvent(doc = "A biometric event of type iris failed.") |
| BIOMETRIC_IRIS_FAILURE(403), |
| |
| @UiEvent(doc = "A biometric event of type iris errored.") |
| BIOMETRIC_IRIS_ERROR(404), |
| |
| @UiEvent(doc = "Bouncer was shown as a result of consecutive failed UDFPS attempts.") |
| BIOMETRIC_BOUNCER_SHOWN(916), |
| |
| @UiEvent(doc = "Screen started waking up with the given PowerManager wake reason.") |
| STARTED_WAKING_UP(1378); |
| |
| private final int mId; |
| |
| BiometricUiEvent(int id) { |
| mId = id; |
| } |
| |
| @Override |
| public int getId() { |
| return mId; |
| } |
| |
| static final Map<BiometricSourceType, BiometricUiEvent> ERROR_EVENT_BY_SOURCE_TYPE = Map.of( |
| BiometricSourceType.FINGERPRINT, BiometricUiEvent.BIOMETRIC_FINGERPRINT_ERROR, |
| BiometricSourceType.FACE, BiometricUiEvent.BIOMETRIC_FACE_ERROR, |
| BiometricSourceType.IRIS, BiometricUiEvent.BIOMETRIC_IRIS_ERROR |
| ); |
| |
| static final Map<BiometricSourceType, BiometricUiEvent> SUCCESS_EVENT_BY_SOURCE_TYPE = |
| Map.of( |
| BiometricSourceType.FINGERPRINT, BiometricUiEvent.BIOMETRIC_FINGERPRINT_SUCCESS, |
| BiometricSourceType.FACE, BiometricUiEvent.BIOMETRIC_FACE_SUCCESS, |
| BiometricSourceType.IRIS, BiometricUiEvent.BIOMETRIC_IRIS_SUCCESS |
| ); |
| |
| static final Map<BiometricSourceType, BiometricUiEvent> FAILURE_EVENT_BY_SOURCE_TYPE = |
| Map.of( |
| BiometricSourceType.FINGERPRINT, BiometricUiEvent.BIOMETRIC_FINGERPRINT_FAILURE, |
| BiometricSourceType.FACE, BiometricUiEvent.BIOMETRIC_FACE_FAILURE, |
| BiometricSourceType.IRIS, BiometricUiEvent.BIOMETRIC_IRIS_FAILURE |
| ); |
| } |
| |
| private final ScreenOffAnimationController mScreenOffAnimationController; |
| |
| @Inject |
| public BiometricUnlockController( |
| DozeScrimController dozeScrimController, |
| KeyguardViewMediator keyguardViewMediator, |
| NotificationShadeWindowController notificationShadeWindowController, |
| KeyguardStateController keyguardStateController, Handler handler, |
| KeyguardUpdateMonitor keyguardUpdateMonitor, |
| @Main Resources resources, |
| KeyguardBypassController keyguardBypassController, |
| MetricsLogger metricsLogger, DumpManager dumpManager, |
| PowerManager powerManager, |
| BiometricUnlockLogger biometricUnlockLogger, |
| NotificationMediaManager notificationMediaManager, |
| WakefulnessLifecycle wakefulnessLifecycle, |
| ScreenLifecycle screenLifecycle, |
| AuthController authController, |
| StatusBarStateController statusBarStateController, |
| SessionTracker sessionTracker, |
| LatencyTracker latencyTracker, |
| ScreenOffAnimationController screenOffAnimationController, |
| VibratorHelper vibrator, |
| SystemClock systemClock |
| ) { |
| mPowerManager = powerManager; |
| mUpdateMonitor = keyguardUpdateMonitor; |
| mUpdateMonitor.registerCallback(this); |
| mMediaManager = notificationMediaManager; |
| mLatencyTracker = latencyTracker; |
| mWakefulnessLifecycle = wakefulnessLifecycle; |
| mWakefulnessLifecycle.addObserver(mWakefulnessObserver); |
| screenLifecycle.addObserver(mScreenObserver); |
| |
| mNotificationShadeWindowController = notificationShadeWindowController; |
| mDozeScrimController = dozeScrimController; |
| mKeyguardViewMediator = keyguardViewMediator; |
| mKeyguardStateController = keyguardStateController; |
| mHandler = handler; |
| mConsecutiveFpFailureThreshold = resources.getInteger( |
| R.integer.fp_consecutive_failure_time_ms); |
| mKeyguardBypassController = keyguardBypassController; |
| mKeyguardBypassController.setUnlockController(this); |
| mMetricsLogger = metricsLogger; |
| mAuthController = authController; |
| mStatusBarStateController = statusBarStateController; |
| mSessionTracker = sessionTracker; |
| mScreenOffAnimationController = screenOffAnimationController; |
| mVibratorHelper = vibrator; |
| mLogger = biometricUnlockLogger; |
| mSystemClock = systemClock; |
| |
| dumpManager.registerDumpable(getClass().getName(), this); |
| } |
| |
| public void setKeyguardViewController(KeyguardViewController keyguardViewController) { |
| mKeyguardViewController = keyguardViewController; |
| } |
| |
| /** Adds a {@link BiometricUnlockEventsListener}. */ |
| public void addListener(BiometricUnlockEventsListener listener) { |
| mBiometricUnlockEventsListeners.add(listener); |
| } |
| |
| /** Removes a {@link BiometricUnlockEventsListener}. */ |
| public void removeListener(BiometricUnlockEventsListener listener) { |
| mBiometricUnlockEventsListeners.remove(listener); |
| } |
| |
| private final Runnable mReleaseBiometricWakeLockRunnable = new Runnable() { |
| @Override |
| public void run() { |
| mLogger.i("biometric wakelock: TIMEOUT!!"); |
| releaseBiometricWakeLock(); |
| } |
| }; |
| |
| private void releaseBiometricWakeLock() { |
| if (mWakeLock != null) { |
| mHandler.removeCallbacks(mReleaseBiometricWakeLockRunnable); |
| mLogger.i("releasing biometric wakelock"); |
| mWakeLock.release(); |
| mWakeLock = null; |
| } |
| } |
| |
| @Override |
| public void onBiometricAcquired(BiometricSourceType biometricSourceType, |
| int acquireInfo) { |
| if (BiometricSourceType.FINGERPRINT == biometricSourceType |
| && acquireInfo != BiometricFingerprintConstants.FINGERPRINT_ACQUIRED_GOOD) { |
| return; |
| } else if (BiometricSourceType.FACE == biometricSourceType |
| && acquireInfo != BiometricFaceConstants.FACE_ACQUIRED_GOOD) { |
| return; |
| } |
| Trace.beginSection("BiometricUnlockController#onBiometricAcquired"); |
| releaseBiometricWakeLock(); |
| if (mStatusBarStateController.isDozing()) { |
| if (mLatencyTracker.isEnabled()) { |
| int action = LatencyTracker.ACTION_FINGERPRINT_WAKE_AND_UNLOCK; |
| if (biometricSourceType == BiometricSourceType.FACE) { |
| action = LatencyTracker.ACTION_FACE_WAKE_AND_UNLOCK; |
| } |
| mLatencyTracker.onActionStart(action); |
| } |
| mWakeLock = mPowerManager.newWakeLock( |
| PowerManager.PARTIAL_WAKE_LOCK, BIOMETRIC_WAKE_LOCK_NAME); |
| Trace.beginSection("acquiring wake-and-unlock"); |
| mWakeLock.acquire(); |
| Trace.endSection(); |
| mLogger.i("biometric acquired, grabbing biometric wakelock"); |
| mHandler.postDelayed(mReleaseBiometricWakeLockRunnable, |
| BIOMETRIC_WAKELOCK_TIMEOUT_MS); |
| } |
| Trace.endSection(); |
| } |
| |
| @Override |
| public void onBiometricDetected(int userId, BiometricSourceType biometricSourceType, |
| boolean isStrongBiometric) { |
| Trace.beginSection("BiometricUnlockController#onBiometricDetected"); |
| if (mUpdateMonitor.isGoingToSleep()) { |
| Trace.endSection(); |
| return; |
| } |
| startWakeAndUnlock(MODE_SHOW_BOUNCER); |
| } |
| |
| @Override |
| public void onBiometricAuthenticated(int userId, BiometricSourceType biometricSourceType, |
| boolean isStrongBiometric) { |
| Trace.beginSection("BiometricUnlockController#onBiometricUnlocked"); |
| if (mUpdateMonitor.isGoingToSleep()) { |
| mLogger.deferringAuthenticationDueToSleep(userId, |
| biometricSourceType, |
| mPendingAuthenticated != null); |
| mPendingAuthenticated = new PendingAuthenticated(userId, biometricSourceType, |
| isStrongBiometric); |
| Trace.endSection(); |
| return; |
| } |
| mBiometricType = biometricSourceType; |
| mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH) |
| .setType(MetricsEvent.TYPE_SUCCESS).setSubtype(toSubtype(biometricSourceType))); |
| Optional.ofNullable(BiometricUiEvent.SUCCESS_EVENT_BY_SOURCE_TYPE.get(biometricSourceType)) |
| .ifPresent(event -> UI_EVENT_LOGGER.log(event, getSessionId())); |
| |
| boolean unlockAllowed = |
| mKeyguardStateController.isOccluded() |
| || mKeyguardBypassController.onBiometricAuthenticated( |
| biometricSourceType, isStrongBiometric); |
| if (unlockAllowed) { |
| mKeyguardViewMediator.userActivity(); |
| startWakeAndUnlock(biometricSourceType, isStrongBiometric); |
| } else { |
| mLogger.d("onBiometricUnlocked aborted by bypass controller"); |
| } |
| } |
| |
| /** |
| * Wake and unlock the device in response to successful authentication using biometrics. |
| * @param biometricSourceType Biometric source that was used to authenticate. |
| * @param isStrongBiometric |
| */ |
| public void startWakeAndUnlock(BiometricSourceType biometricSourceType, |
| boolean isStrongBiometric) { |
| int mode = calculateMode(biometricSourceType, isStrongBiometric); |
| if (mode == MODE_WAKE_AND_UNLOCK |
| || mode == MODE_WAKE_AND_UNLOCK_PULSING || mode == MODE_UNLOCK_COLLAPSING |
| || mode == MODE_WAKE_AND_UNLOCK_FROM_DREAM || mode == MODE_DISMISS_BOUNCER) { |
| vibrateSuccess(biometricSourceType); |
| onBiometricUnlockedWithKeyguardDismissal(biometricSourceType); |
| } |
| startWakeAndUnlock(mode); |
| } |
| |
| public void startWakeAndUnlock(@WakeAndUnlockMode int mode) { |
| mLogger.logStartWakeAndUnlock(mode); |
| boolean wasDeviceInteractive = mUpdateMonitor.isDeviceInteractive(); |
| mMode = mode; |
| mHasScreenTurnedOnSinceAuthenticating = false; |
| if (mMode == MODE_WAKE_AND_UNLOCK_PULSING) { |
| // If we are waking the device up while we are pulsing the clock and the |
| // notifications would light up first, creating an unpleasant animation. |
| // Defer changing the screen brightness by forcing doze brightness on our window |
| // until the clock and the notifications are faded out. |
| mNotificationShadeWindowController.setForceDozeBrightness(true); |
| } |
| // During wake and unlock, we need to draw black before waking up to avoid abrupt |
| // brightness changes due to display state transitions. |
| Runnable wakeUp = ()-> { |
| if (!wasDeviceInteractive || mUpdateMonitor.isDreaming()) { |
| mLogger.i("bio wakelock: Authenticated, waking up..."); |
| mPowerManager.wakeUp( |
| mSystemClock.uptimeMillis(), |
| PowerManager.WAKE_REASON_BIOMETRIC, |
| "android.policy:BIOMETRIC" |
| ); |
| } |
| Trace.beginSection("release wake-and-unlock"); |
| releaseBiometricWakeLock(); |
| Trace.endSection(); |
| }; |
| |
| if (mMode != MODE_NONE) { |
| wakeUp.run(); |
| } |
| switch (mMode) { |
| case MODE_DISMISS_BOUNCER: |
| Trace.beginSection("MODE_DISMISS_BOUNCER"); |
| mKeyguardViewController.notifyKeyguardAuthenticated( |
| false /* primaryAuth */); |
| Trace.endSection(); |
| break; |
| case MODE_UNLOCK_COLLAPSING: |
| Trace.beginSection("MODE_UNLOCK_COLLAPSING"); |
| mKeyguardViewController.notifyKeyguardAuthenticated( |
| false /* primaryAuth */); |
| Trace.endSection(); |
| break; |
| case MODE_SHOW_BOUNCER: |
| Trace.beginSection("MODE_SHOW_BOUNCER"); |
| mKeyguardViewController.showPrimaryBouncer(true); |
| Trace.endSection(); |
| break; |
| case MODE_WAKE_AND_UNLOCK_FROM_DREAM: |
| case MODE_WAKE_AND_UNLOCK_PULSING: |
| case MODE_WAKE_AND_UNLOCK: |
| if (mMode == MODE_WAKE_AND_UNLOCK_PULSING) { |
| Trace.beginSection("MODE_WAKE_AND_UNLOCK_PULSING"); |
| mMediaManager.updateMediaMetaData(false /* metaDataChanged */, |
| true /* allowEnterAnimation */); |
| } else if (mMode == MODE_WAKE_AND_UNLOCK){ |
| Trace.beginSection("MODE_WAKE_AND_UNLOCK"); |
| } else { |
| Trace.beginSection("MODE_WAKE_AND_UNLOCK_FROM_DREAM"); |
| // Don't call awaken from Dream here. In order to avoid flickering, wait until |
| // later to awaken. |
| } |
| mNotificationShadeWindowController.setNotificationShadeFocusable(false); |
| mKeyguardViewMediator.onWakeAndUnlocking(); |
| Trace.endSection(); |
| break; |
| case MODE_ONLY_WAKE: |
| case MODE_NONE: |
| break; |
| } |
| onModeChanged(mMode); |
| Trace.endSection(); |
| } |
| |
| private void onModeChanged(@WakeAndUnlockMode int mode) { |
| for (BiometricUnlockEventsListener listener : mBiometricUnlockEventsListeners) { |
| listener.onModeChanged(mode); |
| } |
| } |
| |
| private void onBiometricUnlockedWithKeyguardDismissal(BiometricSourceType biometricSourceType) { |
| for (BiometricUnlockEventsListener listener : mBiometricUnlockEventsListeners) { |
| listener.onBiometricUnlockedWithKeyguardDismissal(biometricSourceType); |
| } |
| } |
| |
| public boolean hasPendingAuthentication() { |
| return mPendingAuthenticated != null |
| && mUpdateMonitor |
| .isUnlockingWithBiometricAllowed(mPendingAuthenticated.isStrongBiometric) |
| && mPendingAuthenticated.userId == KeyguardUpdateMonitor.getCurrentUser(); |
| } |
| |
| public @WakeAndUnlockMode int getMode() { |
| return mMode; |
| } |
| |
| private @WakeAndUnlockMode int calculateMode(BiometricSourceType biometricSourceType, |
| boolean isStrongBiometric) { |
| if (biometricSourceType == BiometricSourceType.FACE |
| || biometricSourceType == BiometricSourceType.IRIS) { |
| return calculateModeForPassiveAuth(isStrongBiometric); |
| } else { |
| return calculateModeForFingerprint(isStrongBiometric); |
| } |
| } |
| |
| private @WakeAndUnlockMode int calculateModeForFingerprint(boolean isStrongBiometric) { |
| final boolean unlockingAllowed = |
| mUpdateMonitor.isUnlockingWithBiometricAllowed(isStrongBiometric); |
| final boolean deviceInteractive = mUpdateMonitor.isDeviceInteractive(); |
| final boolean keyguardShowing = mKeyguardStateController.isShowing(); |
| final boolean deviceDreaming = mUpdateMonitor.isDreaming(); |
| |
| logCalculateModeForFingerprint(unlockingAllowed, deviceInteractive, |
| keyguardShowing, deviceDreaming, isStrongBiometric); |
| if (!deviceInteractive) { |
| if (!keyguardShowing && !mScreenOffAnimationController.isKeyguardShowDelayed()) { |
| if (mKeyguardStateController.isUnlocked()) { |
| return MODE_WAKE_AND_UNLOCK; |
| } |
| return MODE_ONLY_WAKE; |
| } else if (mDozeScrimController.isPulsing() && unlockingAllowed) { |
| return MODE_WAKE_AND_UNLOCK_PULSING; |
| } else if (unlockingAllowed || !mKeyguardStateController.isMethodSecure()) { |
| return MODE_WAKE_AND_UNLOCK; |
| } else { |
| return MODE_SHOW_BOUNCER; |
| } |
| } |
| if (unlockingAllowed && deviceDreaming) { |
| return MODE_WAKE_AND_UNLOCK_FROM_DREAM; |
| } |
| if (keyguardShowing) { |
| if (mKeyguardViewController.primaryBouncerIsOrWillBeShowing() && unlockingAllowed) { |
| return MODE_DISMISS_BOUNCER; |
| } else if (unlockingAllowed) { |
| return MODE_UNLOCK_COLLAPSING; |
| } else if (!mKeyguardViewController.isBouncerShowing()) { |
| return MODE_SHOW_BOUNCER; |
| } |
| } |
| return MODE_NONE; |
| } |
| |
| private void logCalculateModeForFingerprint(boolean unlockingAllowed, boolean deviceInteractive, |
| boolean keyguardShowing, boolean deviceDreaming, boolean strongBiometric) { |
| if (unlockingAllowed) { |
| mLogger.logCalculateModeForFingerprintUnlockingAllowed(deviceInteractive, |
| keyguardShowing, deviceDreaming); |
| } else { |
| // if unlocking isn't allowed, log more information about why unlocking may not |
| // have been allowed |
| final int strongAuthFlags = mUpdateMonitor.getStrongAuthTracker().getStrongAuthForUser( |
| KeyguardUpdateMonitor.getCurrentUser()); |
| final boolean nonStrongBiometricAllowed = |
| mUpdateMonitor.getStrongAuthTracker() |
| .isNonStrongBiometricAllowedAfterIdleTimeout( |
| KeyguardUpdateMonitor.getCurrentUser()); |
| |
| mLogger.logCalculateModeForFingerprintUnlockingNotAllowed(strongBiometric, |
| strongAuthFlags, nonStrongBiometricAllowed, deviceInteractive, keyguardShowing); |
| } |
| } |
| |
| private @WakeAndUnlockMode int calculateModeForPassiveAuth(boolean isStrongBiometric) { |
| final boolean deviceInteractive = mUpdateMonitor.isDeviceInteractive(); |
| final boolean isKeyguardShowing = mKeyguardStateController.isShowing(); |
| final boolean unlockingAllowed = |
| mUpdateMonitor.isUnlockingWithBiometricAllowed(isStrongBiometric); |
| final boolean deviceDreaming = mUpdateMonitor.isDreaming(); |
| final boolean bypass = mKeyguardBypassController.getBypassEnabled() |
| || mAuthController.isUdfpsFingerDown(); |
| |
| logCalculateModeForPassiveAuth(unlockingAllowed, deviceInteractive, isKeyguardShowing, |
| deviceDreaming, bypass, isStrongBiometric); |
| if (!deviceInteractive) { |
| if (!isKeyguardShowing) { |
| return bypass ? MODE_WAKE_AND_UNLOCK : MODE_ONLY_WAKE; |
| } else if (!unlockingAllowed) { |
| return bypass ? MODE_SHOW_BOUNCER : MODE_NONE; |
| } else if (mDozeScrimController.isPulsing()) { |
| return bypass ? MODE_WAKE_AND_UNLOCK_PULSING : MODE_ONLY_WAKE; |
| } else { |
| if (bypass) { |
| // Wake-up fading out nicely |
| return MODE_WAKE_AND_UNLOCK_PULSING; |
| } else { |
| // We could theoretically return MODE_NONE, but this means that the device |
| // would be not interactive, unlocked, and the user would not see the device |
| // state. |
| return MODE_ONLY_WAKE; |
| } |
| } |
| } |
| if (unlockingAllowed && deviceDreaming) { |
| return bypass ? MODE_WAKE_AND_UNLOCK_FROM_DREAM : MODE_ONLY_WAKE; |
| } |
| if (unlockingAllowed && mKeyguardStateController.isOccluded()) { |
| return MODE_UNLOCK_COLLAPSING; |
| } |
| if (isKeyguardShowing) { |
| if ((mKeyguardViewController.primaryBouncerIsOrWillBeShowing() |
| || mKeyguardBypassController.getAltBouncerShowing()) && unlockingAllowed) { |
| return MODE_DISMISS_BOUNCER; |
| } else if (unlockingAllowed && bypass) { |
| return MODE_UNLOCK_COLLAPSING; |
| } else { |
| return bypass ? MODE_SHOW_BOUNCER : MODE_NONE; |
| } |
| } |
| return MODE_NONE; |
| } |
| |
| private void logCalculateModeForPassiveAuth(boolean unlockingAllowed, |
| boolean deviceInteractive, boolean keyguardShowing, boolean deviceDreaming, |
| boolean bypass, boolean strongBiometric) { |
| if (unlockingAllowed) { |
| mLogger.logCalculateModeForPassiveAuthUnlockingAllowed( |
| deviceInteractive, keyguardShowing, deviceDreaming, bypass); |
| } else { |
| // if unlocking isn't allowed, log more information about why unlocking may not |
| // have been allowed |
| final int strongAuthFlags = mUpdateMonitor.getStrongAuthTracker().getStrongAuthForUser( |
| KeyguardUpdateMonitor.getCurrentUser()); |
| final boolean nonStrongBiometricAllowed = |
| mUpdateMonitor.getStrongAuthTracker() |
| .isNonStrongBiometricAllowedAfterIdleTimeout( |
| KeyguardUpdateMonitor.getCurrentUser()); |
| |
| mLogger.logCalculateModeForPassiveAuthUnlockingNotAllowed( |
| strongBiometric, strongAuthFlags, nonStrongBiometricAllowed, |
| deviceInteractive, keyguardShowing, bypass); |
| } |
| } |
| |
| @Override |
| public void onBiometricAuthFailed(BiometricSourceType biometricSourceType) { |
| mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH) |
| .setType(MetricsEvent.TYPE_FAILURE).setSubtype(toSubtype(biometricSourceType))); |
| Optional.ofNullable(BiometricUiEvent.FAILURE_EVENT_BY_SOURCE_TYPE.get(biometricSourceType)) |
| .ifPresent(event -> UI_EVENT_LOGGER.log(event, getSessionId())); |
| |
| if (mLatencyTracker.isEnabled()) { |
| int action = LatencyTracker.ACTION_FINGERPRINT_WAKE_AND_UNLOCK; |
| if (biometricSourceType == BiometricSourceType.FACE) { |
| action = LatencyTracker.ACTION_FACE_WAKE_AND_UNLOCK; |
| } |
| mLatencyTracker.onActionCancel(action); |
| } |
| |
| if (!mVibratorHelper.hasVibrator() |
| && (!mUpdateMonitor.isDeviceInteractive() || mUpdateMonitor.isDreaming())) { |
| mLogger.d("wakeup device on authentication failure (device doesn't have a vibrator)"); |
| startWakeAndUnlock(MODE_ONLY_WAKE); |
| } else if (biometricSourceType == BiometricSourceType.FINGERPRINT |
| && mUpdateMonitor.isUdfpsSupported()) { |
| long currUptimeMillis = mSystemClock.uptimeMillis(); |
| if (currUptimeMillis - mLastFpFailureUptimeMillis < mConsecutiveFpFailureThreshold) { |
| mNumConsecutiveFpFailures += 1; |
| } else { |
| mNumConsecutiveFpFailures = 1; |
| } |
| mLastFpFailureUptimeMillis = currUptimeMillis; |
| |
| if (mNumConsecutiveFpFailures >= UDFPS_ATTEMPTS_BEFORE_SHOW_BOUNCER) { |
| mLogger.logUdfpsAttemptThresholdMet(mNumConsecutiveFpFailures); |
| startWakeAndUnlock(MODE_SHOW_BOUNCER); |
| UI_EVENT_LOGGER.log(BiometricUiEvent.BIOMETRIC_BOUNCER_SHOWN, getSessionId()); |
| mNumConsecutiveFpFailures = 0; |
| } |
| } |
| |
| // Suppress all face auth errors if fingerprint can be used to authenticate |
| if ((biometricSourceType == BiometricSourceType.FACE |
| && !mUpdateMonitor.getCachedIsUnlockWithFingerprintPossible( |
| KeyguardUpdateMonitor.getCurrentUser())) |
| || (biometricSourceType == BiometricSourceType.FINGERPRINT)) { |
| vibrateError(biometricSourceType); |
| } |
| |
| cleanup(); |
| } |
| |
| @Override |
| public void onBiometricError(int msgId, String errString, |
| BiometricSourceType biometricSourceType) { |
| mMetricsLogger.write(new LogMaker(MetricsEvent.BIOMETRIC_AUTH) |
| .setType(MetricsEvent.TYPE_ERROR).setSubtype(toSubtype(biometricSourceType)) |
| .addTaggedData(MetricsEvent.FIELD_BIOMETRIC_AUTH_ERROR, msgId)); |
| Optional.ofNullable(BiometricUiEvent.ERROR_EVENT_BY_SOURCE_TYPE.get(biometricSourceType)) |
| .ifPresent(event -> UI_EVENT_LOGGER.log(event, getSessionId())); |
| |
| final boolean fingerprintLockout = biometricSourceType == BiometricSourceType.FINGERPRINT |
| && (msgId == FingerprintManager.FINGERPRINT_ERROR_LOCKOUT |
| || msgId == FingerprintManager.FINGERPRINT_ERROR_LOCKOUT_PERMANENT); |
| if (fingerprintLockout) { |
| mLogger.d("fingerprint locked out"); |
| startWakeAndUnlock(MODE_SHOW_BOUNCER); |
| UI_EVENT_LOGGER.log(BiometricUiEvent.BIOMETRIC_BOUNCER_SHOWN, getSessionId()); |
| } |
| |
| cleanup(); |
| } |
| |
| // these haptics are for device-entry only |
| private void vibrateSuccess(BiometricSourceType type) { |
| if (mAuthController.isSfpsEnrolled(KeyguardUpdateMonitor.getCurrentUser()) |
| && lastWakeupFromPowerButtonWithinHapticThreshold()) { |
| mLogger.d("Skip auth success haptic. Power button was recently pressed."); |
| return; |
| } |
| mVibratorHelper.vibrateAuthSuccess( |
| getClass().getSimpleName() + ", type =" + type + "device-entry::success"); |
| } |
| |
| private boolean lastWakeupFromPowerButtonWithinHapticThreshold() { |
| final boolean lastWakeupFromPowerButton = mWakefulnessLifecycle.getLastWakeReason() |
| == PowerManager.WAKE_REASON_POWER_BUTTON; |
| return lastWakeupFromPowerButton |
| && mWakefulnessLifecycle.getLastWakeTime() != UNKNOWN_LAST_WAKE_TIME |
| && mSystemClock.uptimeMillis() - mWakefulnessLifecycle.getLastWakeTime() |
| < RECENT_POWER_BUTTON_PRESS_THRESHOLD_MS; |
| } |
| |
| private void vibrateError(BiometricSourceType type) { |
| mVibratorHelper.vibrateAuthError( |
| getClass().getSimpleName() + ", type =" + type + "device-entry::error"); |
| } |
| |
| private void cleanup() { |
| releaseBiometricWakeLock(); |
| } |
| |
| public void startKeyguardFadingAway() { |
| |
| // Disable brightness override when the ambient contents are fully invisible. |
| mHandler.postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| mNotificationShadeWindowController.setForceDozeBrightness(false); |
| } |
| }, CentralSurfaces.FADE_KEYGUARD_DURATION_PULSING); |
| } |
| |
| public void finishKeyguardFadingAway() { |
| if (isWakeAndUnlock()) { |
| mFadedAwayAfterWakeAndUnlock = true; |
| } |
| resetMode(); |
| } |
| |
| private void resetMode() { |
| mMode = MODE_NONE; |
| mBiometricType = null; |
| mNotificationShadeWindowController.setForceDozeBrightness(false); |
| for (BiometricUnlockEventsListener listener : mBiometricUnlockEventsListeners) { |
| listener.onResetMode(); |
| } |
| mNumConsecutiveFpFailures = 0; |
| mLastFpFailureUptimeMillis = 0; |
| } |
| |
| @VisibleForTesting |
| final WakefulnessLifecycle.Observer mWakefulnessObserver = |
| new WakefulnessLifecycle.Observer() { |
| @Override |
| public void onStartedGoingToSleep() { |
| resetMode(); |
| mFadedAwayAfterWakeAndUnlock = false; |
| mPendingAuthenticated = null; |
| } |
| |
| @Override |
| public void onFinishedGoingToSleep() { |
| Trace.beginSection("BiometricUnlockController#onFinishedGoingToSleep"); |
| if (mPendingAuthenticated != null) { |
| mLogger.finishedGoingToSleepWithPendingAuth(); |
| PendingAuthenticated pendingAuthenticated = mPendingAuthenticated; |
| // Post this to make sure it's executed after the device is fully locked. |
| mHandler.post(() -> onBiometricAuthenticated(pendingAuthenticated.userId, |
| pendingAuthenticated.biometricSourceType, |
| pendingAuthenticated.isStrongBiometric)); |
| mPendingAuthenticated = null; |
| } |
| Trace.endSection(); |
| } |
| }; |
| |
| private final ScreenLifecycle.Observer mScreenObserver = |
| new ScreenLifecycle.Observer() { |
| @Override |
| public void onScreenTurnedOn() { |
| mHasScreenTurnedOnSinceAuthenticating = true; |
| } |
| }; |
| |
| public boolean hasScreenTurnedOnSinceAuthenticating() { |
| return mHasScreenTurnedOnSinceAuthenticating; |
| } |
| |
| @Override |
| public void onKeyguardBouncerStateChanged(boolean bouncerIsOrWillBeShowing) { |
| // When the bouncer is dismissed, treat this as a reset of the unlock mode. The user |
| // may have gone back instead of successfully unlocking |
| if (!bouncerIsOrWillBeShowing) { |
| resetMode(); |
| } |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, String[] args) { |
| pw.println(" BiometricUnlockController:"); |
| pw.print(" mMode="); pw.println(mMode); |
| pw.print(" mWakeLock="); pw.println(mWakeLock); |
| if (mUpdateMonitor.isUdfpsSupported()) { |
| pw.print(" mNumConsecutiveFpFailures="); pw.println(mNumConsecutiveFpFailures); |
| pw.print(" time since last failure="); |
| pw.println(mSystemClock.uptimeMillis() - mLastFpFailureUptimeMillis); |
| } |
| } |
| |
| /** |
| * Successful authentication with fingerprint, face, or iris that wakes up the device. |
| */ |
| public boolean isWakeAndUnlock() { |
| return mMode == MODE_WAKE_AND_UNLOCK |
| || mMode == MODE_WAKE_AND_UNLOCK_PULSING |
| || mMode == MODE_WAKE_AND_UNLOCK_FROM_DREAM; |
| } |
| |
| /** |
| * Successful authentication with fingerprint, face, or iris that wakes up the device. |
| * This will return {@code true} even after the keyguard fades away. |
| */ |
| public boolean unlockedByWakeAndUnlock() { |
| return isWakeAndUnlock() || mFadedAwayAfterWakeAndUnlock; |
| } |
| |
| /** |
| * Successful authentication with fingerprint, face, or iris when the screen was either |
| * on or off. |
| */ |
| public boolean isBiometricUnlock() { |
| return isWakeAndUnlock() || mMode == MODE_UNLOCK_COLLAPSING; |
| } |
| |
| /** |
| * Successful authentication with fingerprint, face, or iris when the lockscreen fades away |
| */ |
| public BiometricSourceType getBiometricType() { |
| return mBiometricType; |
| } |
| |
| private @Nullable InstanceId getSessionId() { |
| return mSessionTracker.getSessionId(SESSION_KEYGUARD); |
| } |
| /** |
| * Translates biometric source type for logging purpose. |
| */ |
| private int toSubtype(BiometricSourceType biometricSourceType) { |
| switch (biometricSourceType) { |
| case FINGERPRINT: |
| return 0; |
| case FACE: |
| return 1; |
| case IRIS: |
| return 2; |
| default: |
| return 3; |
| } |
| } |
| |
| /** An interface to interact with the {@link BiometricUnlockController}. */ |
| public interface BiometricUnlockEventsListener { |
| /** Called when {@code mMode} is reset to {@link #MODE_NONE}. */ |
| default void onResetMode() {} |
| /** Called when {@code mMode} has changed in {@link #startWakeAndUnlock(int)}. */ |
| default void onModeChanged(@WakeAndUnlockMode int mode) {} |
| |
| /** |
| * Called when the device is unlocked successfully using biometrics with the keyguard also |
| * being dismissed. |
| */ |
| default void onBiometricUnlockedWithKeyguardDismissal( |
| BiometricSourceType biometricSourceType) { } |
| } |
| } |