Merge "[pm/archive] allow preinstalled launcher apps to unarchive even if they... (3a288a1e) · Commits · e / os / android_frameworks_base

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

+32 −4

Original line number	Diff line number	Diff line
		@@ -283,10 +283,7 @@ public class PackageArchiver {
		return START_CLASS_NOT_FOUND;
		}

		String currentLauncherPackageName = getCurrentLauncherPackageName(getParentUserId(userId));
		if ((currentLauncherPackageName == null \|\| !TextUtils.equals(callerPackageName,
		currentLauncherPackageName)) && callingUid != Process.SHELL_UID) {
		// TODO(b/311619990): Remove dependency on SHELL_UID for testing
		if (!isCallerQualifiedForUnarchival(callerPackageName, callingUid, userId)) {
		Slog.e(TAG, TextUtils.formatSimple(
		"callerPackageName: %s does not qualify for unarchival of package: " + "%s!",
		callerPackageName, packageName));
		@@ -335,6 +332,37 @@ public class PackageArchiver {
		return START_ABORTED;
		}

		private boolean isCallerQualifiedForUnarchival(String callerPackageName, int callingUid,
		int userId) {
		// TODO(b/311619990): Remove dependency on SHELL_UID for testing
		if (callingUid == Process.SHELL_UID) {
		return true;
		}
		String currentLauncherPackageName = getCurrentLauncherPackageName(getParentUserId(userId));
		if (currentLauncherPackageName != null && TextUtils.equals(
		callerPackageName, currentLauncherPackageName)) {
		return true;
		}
		Slog.w(TAG, TextUtils.formatSimple(
		"Requester of unarchival: %s is not the default launcher package: %s.",
		callerPackageName, currentLauncherPackageName));
		// When the default launcher is not set, or when the current caller is not the default
		// launcher, allow the caller to directly request unarchive if it is a launcher app
		// that is a pre-installed system app.
		final Computer snapshot = mPm.snapshotComputer();
		final PackageStateInternal ps = snapshot.getPackageStateInternal(callerPackageName);
		final boolean isSystem = ps != null && ps.isSystem();
		return isSystem && isLauncherApp(snapshot, callerPackageName, userId);
		}

		private boolean isLauncherApp(Computer snapshot, String packageName, int userId) {
		final Intent intent = snapshot.getHomeIntent();
		intent.setPackage(packageName);
		List<ResolveInfo> launcherActivities = snapshot.queryIntentActivitiesInternal(
		intent, null /* resolvedType /, 0 / flags */, userId);
		return !launcherActivities.isEmpty();
		}

		// Profiles share their UI and default apps, so we have to get the profile parent before
		// fetching the default launcher.
		private int getParentUserId(int userId) {