disable notification listeners on uninstall (ae9bb573) · Commits · e / os / android_frameworks_base

services/java/com/android/server/NotificationManagerService.java

+67 −1

Original line number	Diff line number	Diff line
		@@ -40,6 +40,8 @@ import android.content.ServiceConnection;
		import android.content.pm.ApplicationInfo;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		import android.content.pm.ServiceInfo;
		import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.res.Resources;
		import android.database.ContentObserver;
		@@ -88,7 +90,9 @@ import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashSet;
		import java.util.Iterator;
		import java.util.List;
		import java.util.NoSuchElementException;
		import java.util.Set;

		import libcore.io.IoUtils;

		@@ -532,6 +536,60 @@ public class NotificationManagerService extends INotificationManager.Stub
		return tmp;
		}

		/**
		* Remove notification access for any services that no longer exist.
		*/
		void disableNonexistentListeners() {
		int currentUser = ActivityManager.getCurrentUser();
		String flatIn = Settings.Secure.getStringForUser(
		mContext.getContentResolver(),
		Settings.Secure.ENABLED_NOTIFICATION_LISTENERS,
		currentUser);
		if (!TextUtils.isEmpty(flatIn)) {
		if (DBG) Slog.v(TAG, "flat before: " + flatIn);
		PackageManager pm = mContext.getPackageManager();
		List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser(
		new Intent(NotificationListenerService.SERVICE_INTERFACE),
		PackageManager.GET_SERVICES \| PackageManager.GET_META_DATA,
		currentUser);

		Set<ComponentName> installed = new HashSet<ComponentName>();
		for (int i = 0, count = installedServices.size(); i < count; i++) {
		ResolveInfo resolveInfo = installedServices.get(i);
		ServiceInfo info = resolveInfo.serviceInfo;

		if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals(
		info.permission)) {
		Slog.w(TAG, "Skipping notification listener service "
		+ info.packageName + "/" + info.name
		+ ": it does not require the permission "
		+ android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE);
		continue;
		}
		installed.add(new ComponentName(info.packageName, info.name));
		}

		String flatOut = "";
		if (!installed.isEmpty()) {
		String[] enabled = flatIn.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR);
		ArrayList<String> remaining = new ArrayList<String>(enabled.length);
		for (int i = 0; i < enabled.length; i++) {
		ComponentName enabledComponent = ComponentName.unflattenFromString(enabled[i]);
		if (installed.contains(enabledComponent)) {
		remaining.add(enabled[i]);
		}
		}
		flatOut = TextUtils.join(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR, remaining);
		}
		if (DBG) Slog.v(TAG, "flat after: " + flatOut);
		if (!flatIn.equals(flatOut)) {
		Settings.Secure.putStringForUser(mContext.getContentResolver(),
		Settings.Secure.ENABLED_NOTIFICATION_LISTENERS,
		flatOut, currentUser);
		}
		}
		}

		/**
		* Called whenever packages change, the user switches, or ENABLED_NOTIFICATION_LISTENERS
		* is altered. (For example in response to USER_SWITCHED in our broadcast receiver)
		@@ -1073,15 +1131,19 @@ public class NotificationManagerService extends INotificationManager.Stub
		String action = intent.getAction();

		boolean queryRestart = false;
		boolean queryRemove = false;
		boolean packageChanged = false;

		if (action.equals(Intent.ACTION_PACKAGE_ADDED)
		\|\| action.equals(Intent.ACTION_PACKAGE_REMOVED)
		\|\| (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED))
		\|\| action.equals(Intent.ACTION_PACKAGE_RESTARTED)
		\|\| (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED))
		\|\| (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART))
		\|\| action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) {
		String pkgList[] = null;
		boolean queryReplace = queryRemove &&
		intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);
		if (DBG) Slog.i(TAG, "queryReplace=" + queryReplace);
		if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) {
		pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
		} else if (queryRestart) {
		@@ -1119,6 +1181,10 @@ public class NotificationManagerService extends INotificationManager.Stub
		}

		if (anyListenersInvolved) {
		// if we're not replacing a package, clean up orphaned bits
		if (!queryReplace) {
		disableNonexistentListeners();
		}
		// make sure we're still bound to any of our
		// listeners who may have just upgraded
		rebindListenerServices();