Merge "Migrate package notification restrictions to AppOps."

This commit is contained in:
Daniel Sandler
2013-02-01 18:45:47 +00:00
committed by Android (Google) Code Review
3 changed files with 64 additions and 77 deletions

View File

@@ -47,6 +47,7 @@ public class AppOpsManager {
public static final int OP_READ_CALENDAR = 8;
public static final int OP_WRITE_CALENDAR = 9;
public static final int OP_WIFI_SCAN = 10;
public static final int OP_POST_NOTIFICATION = 11;
private static String[] sOpNames = new String[] {
"COARSE_LOCATION",
@@ -60,6 +61,7 @@ public class AppOpsManager {
"READ_CALENDAR",
"WRITE_CALENDAR",
"WIFI_SCAN",
"POST_NOTIFICATION",
};
private static String[] sOpPerms = new String[] {
@@ -74,6 +76,7 @@ public class AppOpsManager {
android.Manifest.permission.READ_CALENDAR,
android.Manifest.permission.WRITE_CALENDAR,
android.Manifest.permission.ACCESS_WIFI_STATE,
null, // no permission required for notifications
};
public static String opToName(int op) {

View File

@@ -32,7 +32,7 @@ interface INotificationManager
in Notification notification, inout int[] idReceived, int userId);
void cancelNotificationWithTag(String pkg, String tag, int id, int userId);
void setNotificationsEnabledForPackage(String pkg, boolean enabled);
boolean areNotificationsEnabledForPackage(String pkg);
void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled);
boolean areNotificationsEnabledForPackage(String pkg, int uid);
}

View File

@@ -23,6 +23,7 @@ import static org.xmlpull.v1.XmlPullParser.START_TAG;
import android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.app.AppGlobals;
import android.app.AppOpsManager;
import android.app.IActivityManager;
import android.app.INotificationManager;
import android.app.ITransientNotification;
@@ -35,6 +36,7 @@ import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
@@ -62,21 +64,17 @@ import android.util.Slog;
import android.util.Xml;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.widget.RemoteViews;
import android.widget.Toast;
import com.android.internal.statusbar.StatusBarNotification;
import com.android.internal.util.FastXmlSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
@@ -156,6 +154,8 @@ public class NotificationManagerService extends INotificationManager.Stub
private ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>();
private NotificationRecord mLedNotification;
private final AppOpsManager mAppOps;
// Notification control database. For now just contains disabled packages.
private AtomicFile mPolicyFile;
private HashSet<String> mBlockedPackages = new HashSet<String>();
@@ -218,79 +218,35 @@ public class NotificationManagerService extends INotificationManager.Stub
}
}
private void writeBlockDb() {
synchronized(mBlockedPackages) {
FileOutputStream outfile = null;
try {
outfile = mPolicyFile.startWrite();
XmlSerializer out = new FastXmlSerializer();
out.setOutput(outfile, "utf-8");
out.startDocument(null, true);
out.startTag(null, TAG_BODY); {
out.attribute(null, ATTR_VERSION, String.valueOf(DB_VERSION));
out.startTag(null, TAG_BLOCKED_PKGS); {
// write all known network policies
for (String pkg : mBlockedPackages) {
out.startTag(null, TAG_PACKAGE); {
out.attribute(null, ATTR_NAME, pkg);
} out.endTag(null, TAG_PACKAGE);
}
} out.endTag(null, TAG_BLOCKED_PKGS);
} out.endTag(null, TAG_BODY);
out.endDocument();
mPolicyFile.finishWrite(outfile);
} catch (IOException e) {
if (outfile != null) {
mPolicyFile.failWrite(outfile);
}
}
}
}
public boolean areNotificationsEnabledForPackage(String pkg) {
/**
* Use this when you just want to know if notifications are OK for this package.
*/
public boolean areNotificationsEnabledForPackage(String pkg, int uid) {
checkCallerIsSystem();
return areNotificationsEnabledForPackageInt(pkg);
return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg)
== AppOpsManager.MODE_ALLOWED);
}
// Unchecked. Not exposed via Binder, but can be called in the course of enqueue*().
private boolean areNotificationsEnabledForPackageInt(String pkg) {
final boolean enabled = !mBlockedPackages.contains(pkg);
if (DBG) {
Slog.v(TAG, "notifications are " + (enabled?"en":"dis") + "abled for " + pkg);
/** Use this when you actually want to post a notification or toast.
*
* Unchecked. Not exposed via Binder, but can be called in the course of enqueue*().
*/
private boolean noteNotificationOp(String pkg, int uid) {
if (mAppOps.noteOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg)
!= AppOpsManager.MODE_ALLOWED) {
Slog.v(TAG, "notifications are disabled by AppOps for " + pkg);
return false;
}
return enabled;
return true;
}
public void setNotificationsEnabledForPackage(String pkg, boolean enabled) {
public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) {
checkCallerIsSystem();
if (DBG) {
if (true||DBG) {
Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg);
}
if (enabled) {
mBlockedPackages.remove(pkg);
} else {
mBlockedPackages.add(pkg);
// Now, cancel any outstanding notifications that are part of a just-disabled app
if (ENABLE_BLOCKED_NOTIFICATIONS) {
synchronized (mNotificationList) {
final int N = mNotificationList.size();
for (int i=0; i<N; i++) {
final NotificationRecord r = mNotificationList.get(i);
if (r.pkg.equals(pkg)) {
cancelNotificationLocked(r, false);
}
}
}
}
// Don't bother canceling toasts, they'll go away soon enough.
}
writeBlockDb();
mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg,
enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED);
}
@@ -628,7 +584,9 @@ public class NotificationManagerService extends INotificationManager.Stub
mToastQueue = new ArrayList<ToastRecord>();
mHandler = new WorkerHandler();
loadBlockDb();
mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
importOldBlockDb();
mStatusBar = statusBar;
statusBar.setNotificationCallbacks(mNotificationCallbacks);
@@ -685,6 +643,28 @@ public class NotificationManagerService extends INotificationManager.Stub
observer.observe();
}
/**
* Read the old XML-based app block database and import those blockages into the AppOps system.
*/
private void importOldBlockDb() {
loadBlockDb();
PackageManager pm = mContext.getPackageManager();
for (String pkg : mBlockedPackages) {
PackageInfo info = null;
try {
info = pm.getPackageInfo(pkg, 0);
setNotificationsEnabledForPackage(pkg, info.applicationInfo.uid, false);
} catch (NameNotFoundException e) {
// forget you
}
}
mBlockedPackages.clear();
if (mPolicyFile != null) {
mPolicyFile.delete();
}
}
void systemReady() {
mAudioService = IAudioService.Stub.asInterface(
ServiceManager.getService(Context.AUDIO_SERVICE));
@@ -706,9 +686,11 @@ public class NotificationManagerService extends INotificationManager.Stub
final boolean isSystemToast = ("android".equals(pkg));
if (ENABLE_BLOCKED_TOASTS && !isSystemToast && !areNotificationsEnabledForPackageInt(pkg)) {
Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request.");
return;
if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) {
if (!isSystemToast) {
Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request.");
return;
}
}
synchronized (mToastQueue) {
@@ -982,9 +964,11 @@ public class NotificationManagerService extends INotificationManager.Stub
// 3. Apply local rules
// blocked apps
if (ENABLE_BLOCKED_NOTIFICATIONS && !isSystemNotification && !areNotificationsEnabledForPackageInt(pkg)) {
score = JUNK_SCORE;
Slog.e(TAG, "Suppressing notification from package " + pkg + " by user request.");
if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) {
if (!isSystemNotification) {
score = JUNK_SCORE;
Slog.e(TAG, "Suppressing notification from package " + pkg + " by user request.");
}
}
if (DBG) {