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disable notification listeners on uninstall

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Bug: 8979640
Change-Id: I9f1d118e5ce210b829476e0971f3d55fc778c227
This commit is contained in:
Chris Wren
2013-05-15 14:50:28 -04:00
parent c037282c1c
commit ae9bb5737c
1 changed files with 67 additions and 1 deletions
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68
services/java/com/android/server/NotificationManagerService.java
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@ -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();