Add hidden APIs that return user start/unlock time. (73dded28) · Commits · e / os / android_frameworks_base

core/java/android/os/IUserManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -98,4 +98,6 @@ interface IUserManager {
		boolean isUserNameSet(int userHandle);
		boolean hasRestrictedProfiles();
		boolean trySetQuietModeEnabled(String callingPackage, boolean enableQuietMode, int userHandle, in IntentSender target);
		long getUserStartRealtime();
		long getUserUnlockRealtime();
		}

core/java/android/os/UserManager.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -1391,6 +1391,34 @@ public class UserManager {
		}
		}

		/**
		* Return the time when the calling user started in elapsed milliseconds since boot,
		* or 0 if not started.
		*
		* @hide
		*/
		public long getUserStartRealtime() {
		try {
		return mService.getUserStartRealtime();
		} catch (RemoteException re) {
		throw re.rethrowFromSystemServer();
		}
		}

		/**
		* Return the time when the calling user was unlocked elapsed milliseconds since boot,
		* or 0 if not unlocked.
		*
		* @hide
		*/
		public long getUserUnlockRealtime() {
		try {
		return mService.getUserUnlockRealtime();
		} catch (RemoteException re) {
		throw re.rethrowFromSystemServer();
		}
		}

		/**
		* Returns the UserInfo object describing a specific user.
		* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.

services/core/java/com/android/server/pm/UserManagerService.java

+86 −18

Original line number	Diff line number	Diff line
		@@ -63,6 +63,7 @@ import android.os.SELinux;
		import android.os.ServiceManager;
		import android.os.ShellCallback;
		import android.os.ShellCommand;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.os.UserHandle;
		import android.os.UserManager;
		@@ -79,6 +80,7 @@ import android.util.Slog;
		import android.util.SparseArray;
		import android.util.SparseBooleanArray;
		import android.util.SparseIntArray;
		import android.util.SparseLongArray;
		import android.util.TimeUtils;
		import android.util.Xml;

		@@ -241,8 +243,7 @@ public class UserManagerService extends IUserManager.Stub {
		private static final IBinder mUserRestriconToken = new Binder();

		/**
		* User-related information that is used for persisting to flash. Only UserInfo is
		* directly exposed to other system apps.
		* Internal non-parcelable wrapper for UserInfo that is not exposed to other system apps.
		*/
		@VisibleForTesting
		static class UserData {
		@@ -260,6 +261,12 @@ public class UserManagerService extends IUserManager.Stub {
		// Whether to perist the seed account information to be available after a boot
		boolean persistSeedData;

		/** Elapsed realtime since boot when the user started. */
		long startRealtime;

		/** Elapsed realtime since boot when the user was unlocked. */
		long unlockRealtime;

		void clearSeedAccountData() {
		seedAccountName = null;
		seedAccountType = null;
		@@ -453,6 +460,37 @@ public class UserManagerService extends IUserManager.Stub {
		mUms.cleanupPartialUsers();
		}
		}

		@Override
		public void onStartUser(int userHandle) {
		synchronized (mUms.mUsersLock) {
		final UserData user = mUms.getUserDataLU(userHandle);
		if (user != null) {
		user.startRealtime = SystemClock.elapsedRealtime();
		}
		}
		}

		@Override
		public void onUnlockUser(int userHandle) {
		synchronized (mUms.mUsersLock) {
		final UserData user = mUms.getUserDataLU(userHandle);
		if (user != null) {
		user.unlockRealtime = SystemClock.elapsedRealtime();
		}
		}
		}

		@Override
		public void onStopUser(int userHandle) {
		synchronized (mUms.mUsersLock) {
		final UserData user = mUms.getUserDataLU(userHandle);
		if (user != null) {
		user.startRealtime = 0;
		user.unlockRealtime = 0;
		}
		}
		}
		}

		// TODO b/28848102 Add support for test dependencies injection
		@@ -1057,6 +1095,29 @@ public class UserManagerService extends IUserManager.Stub {
		return mLocalService.isUserRunning(userId);
		}

		@Override
		public long getUserStartRealtime() {
		final int userId = UserHandle.getUserId(Binder.getCallingUid());
		synchronized (mUsersLock) {
		final UserData user = getUserDataLU(userId);
		if (user != null) {
		return user.startRealtime;
		}
		return 0;
		}
		}

		@Override
		public long getUserUnlockRealtime() {
		synchronized (mUsersLock) {
		final UserData user = getUserDataLU(UserHandle.getUserId(Binder.getCallingUid()));
		if (user != null) {
		return user.unlockRealtime;
		}
		return 0;
		}
		}

		private void checkManageOrInteractPermIfCallerInOtherProfileGroup(int userId, String name) {
		int callingUserId = UserHandle.getCallingUserId();
		if (callingUserId == userId \|\| isSameProfileGroupNoChecks(callingUserId, userId) \|\|
		@@ -3484,6 +3545,7 @@ public class UserManagerService extends IUserManager.Stub {
		if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return;

		long now = System.currentTimeMillis();
		final long nowRealtime = SystemClock.elapsedRealtime();
		StringBuilder sb = new StringBuilder();
		synchronized (mPackagesLock) {
		synchronized (mUsersLock) {
		@@ -3511,25 +3573,20 @@ public class UserManagerService extends IUserManager.Stub {
		}
		pw.println(UserState.stateToString(state));
		pw.print(" Created: ");
		if (userInfo.creationTime == 0) {
		pw.println("<unknown>");
		} else {
		sb.setLength(0);
		TimeUtils.formatDuration(now - userInfo.creationTime, sb);
		sb.append(" ago");
		pw.println(sb);
		}
		dumpTimeAgo(pw, sb, now, userInfo.creationTime);

		pw.print(" Last logged in: ");
		if (userInfo.lastLoggedInTime == 0) {
		pw.println("<unknown>");
		} else {
		sb.setLength(0);
		TimeUtils.formatDuration(now - userInfo.lastLoggedInTime, sb);
		sb.append(" ago");
		pw.println(sb);
		}
		dumpTimeAgo(pw, sb, now, userInfo.lastLoggedInTime);

		pw.print(" Last logged in fingerprint: ");
		pw.println(userInfo.lastLoggedInFingerprint);

		pw.print(" Start time: ");
		dumpTimeAgo(pw, sb, nowRealtime, userData.startRealtime);

		pw.print(" Unlock time: ");
		dumpTimeAgo(pw, sb, nowRealtime, userData.unlockRealtime);

		pw.print(" Has profile owner: ");
		pw.println(mIsUserManaged.get(userId));
		pw.println(" Restrictions:");
		@@ -3593,6 +3650,17 @@ public class UserManagerService extends IUserManager.Stub {
		}
		}

		private static void dumpTimeAgo(PrintWriter pw, StringBuilder sb, long nowTime, long time) {
		if (time == 0) {
		pw.println("<unknown>");
		} else {
		sb.setLength(0);
		TimeUtils.formatDuration(nowTime - time, sb);
		sb.append(" ago");
		pw.println(sb);
		}
		}

		final class MainHandler extends Handler {

		@Override