import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
+import android.os.PowerManager;
import android.os.RemoteException;
import android.os.UserHandle;
import android.security.keystore.AndroidKeyStoreProvider;
public void addLockoutResetCallback(final LockoutResetCallback callback) {
if (mService != null) {
try {
+ final PowerManager powerManager = mContext.getSystemService(PowerManager.class);
mService.addLockoutResetCallback(
new IFingerprintServiceLockoutResetCallback.Stub() {
@Override
public void onLockoutReset(long deviceId) throws RemoteException {
+ final PowerManager.WakeLock wakeLock = powerManager.newWakeLock(
+ PowerManager.PARTIAL_WAKE_LOCK, "lockoutResetCallback");
+ wakeLock.acquire();
mHandler.post(new Runnable() {
@Override
public void run() {
- callback.onLockoutReset();
+ try {
+ callback.onLockoutReset();
+ } finally {
+ wakeLock.release();
+ }
}
});
}
import android.app.ActivityManager.RunningAppProcessInfo;
import android.app.ActivityManager.RunningTaskInfo;
import android.app.ActivityManagerNative;
+import android.app.AlarmManager;
import android.app.AppOpsManager;
import android.app.IUserSwitchObserver;
+import android.app.PendingIntent;
import android.content.ComponentName;
+import android.content.BroadcastReceiver;
import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.UserInfo;
import android.hardware.fingerprint.IFingerprintServiceLockoutResetCallback;
private static final String FINGERPRINTD = "android.hardware.fingerprint.IFingerprintDaemon";
private static final int MSG_USER_SWITCHING = 10;
private static final int ENROLLMENT_TIMEOUT_MS = 60 * 1000; // 1 minute
+ private static final String ACTION_LOCKOUT_RESET =
+ "com.android.server.fingerprint.ACTION_LOCKOUT_RESET";
private ClientMonitor mAuthClient = null;
private ClientMonitor mEnrollClient = null;
private long mHalDeviceId;
private int mFailedAttempts;
private IFingerprintDaemon mDaemon;
- private PowerManager mPowerManager;
+ private final PowerManager mPowerManager;
+ private final AlarmManager mAlarmManager;
- private final Runnable mLockoutReset = new Runnable() {
+ private final BroadcastReceiver mLockoutReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ if (ACTION_LOCKOUT_RESET.equals(intent.getAction())) {
+ resetFailedAttempts();
+ }
+ }
+ };
+
+ private final Runnable mResetFailedAttemptsRunnable = new Runnable() {
@Override
public void run() {
resetFailedAttempts();
mKeyguardPackage = ComponentName.unflattenFromString(context.getResources().getString(
com.android.internal.R.string.config_keyguardComponent)).getPackageName();
mAppOps = context.getSystemService(AppOpsManager.class);
- mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+ mPowerManager = mContext.getSystemService(PowerManager.class);
+ mAlarmManager = mContext.getSystemService(AlarmManager.class);
+ mContext.registerReceiver(mLockoutReceiver, new IntentFilter(ACTION_LOCKOUT_RESET),
+ RESET_FINGERPRINT_LOCKOUT, null /* handler */);
}
@Override
return mFailedAttempts >= MAX_FAILED_ATTEMPTS;
}
+ private void scheduleLockoutReset() {
+ mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
+ SystemClock.elapsedRealtime() + FAIL_LOCKOUT_TIMEOUT_MS, getLockoutResetIntent());
+ }
+
+ private void cancelLockoutReset() {
+ mAlarmManager.cancel(getLockoutResetIntent());
+ }
+
+ private PendingIntent getLockoutResetIntent() {
+ return PendingIntent.getBroadcast(mContext, 0,
+ new Intent(ACTION_LOCKOUT_RESET), PendingIntent.FLAG_UPDATE_CURRENT);
+ }
+
private void resetFailedAttempts() {
if (DEBUG && inLockoutMode()) {
Slog.v(TAG, "Reset fingerprint lockout");
}
mFailedAttempts = 0;
- // If we're asked to reset failed attempts externally (i.e. from Keyguard), the runnable
- // may still be in the queue; remove it.
- mHandler.removeCallbacks(mLockoutReset);
+ // If we're asked to reset failed attempts externally (i.e. from Keyguard), the alarm might
+ // still be pending; remove it.
+ cancelLockoutReset();
notifyLockoutResetMonitors();
}
mFailedAttempts++;
if (inLockoutMode()) {
// Failing multiple times will continue to push out the lockout time.
- mHandler.removeCallbacks(mLockoutReset);
- mHandler.postDelayed(mLockoutReset, FAIL_LOCKOUT_TIMEOUT_MS);
+ scheduleLockoutReset();
if (clientMonitor != null
&& !clientMonitor.sendError(FingerprintManager.FINGERPRINT_ERROR_LOCKOUT)) {
Slog.w(TAG, "Cannot send lockout message to client");
FingerprintUtils.vibrateFingerprintSuccess(getContext());
}
result |= true; // we have a valid fingerprint
- mHandler.post(mLockoutReset);
+ resetFailedAttempts();
}
return result;
}
public void resetTimeout(byte [] token) {
checkPermission(RESET_FINGERPRINT_LOCKOUT);
// TODO: confirm security token when we move timeout management into the HAL layer.
- mHandler.post(mLockoutReset);
+ mHandler.post(mResetFailedAttemptsRunnable);
}
@Override