Allow delegates to read target app notification channels (b4a9e9c8) · Commits · e / os / android_frameworks_base

core/java/android/app/INotificationManager.aidl

+2 −2

Original line number	Diff line number	Diff line
		@@ -90,10 +90,10 @@ interface INotificationManager
		NotificationChannelGroup getPopulatedNotificationChannelGroupForPackage(String pkg, int uid, String groupId, boolean includeDeleted);
		void updateNotificationChannelGroupForPackage(String pkg, int uid, in NotificationChannelGroup group);
		void updateNotificationChannelForPackage(String pkg, int uid, in NotificationChannel channel);
		NotificationChannel getNotificationChannel(String pkg, String channelId);
		NotificationChannel getNotificationChannel(String callingPkg, int userId, String pkg, String channelId);
		NotificationChannel getNotificationChannelForPackage(String pkg, int uid, String channelId, boolean includeDeleted);
		void deleteNotificationChannel(String pkg, String channelId);
		ParceledListSlice getNotificationChannels(String pkg);
		ParceledListSlice getNotificationChannels(String callingPkg, String targetPkg, int userId);
		ParceledListSlice getNotificationChannelsForPackage(String pkg, int uid, boolean includeDeleted);
		int getNumNotificationChannelsForPackage(String pkg, int uid, boolean includeDeleted);
		int getDeletedChannelCount(String pkg, int uid);

core/java/android/app/NotificationManager.java

+13 −3

Original line number	Diff line number	Diff line
		@@ -716,12 +716,16 @@ public class NotificationManager {
		/**
		* Returns the notification channel settings for a given channel id.
		*
		* The channel must belong to your package, or it will not be returned.
		* <p>The channel must belong to your package, or to a package you are an approved notification
		* delegate for (see {@link #canNotifyAsPackage(String)}), or it will not be returned. To query
		* a channel as a notification delegate, call this method from a context created for that
		* package (see {@link Context#createPackageContext(String, int)}).</p>
		*/
		public NotificationChannel getNotificationChannel(String channelId) {
		INotificationManager service = getService();
		try {
		return service.getNotificationChannel(mContext.getPackageName(), channelId);
		return service.getNotificationChannel(mContext.getOpPackageName(),
		mContext.getUserId(), mContext.getPackageName(), channelId);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		@@ -729,11 +733,17 @@ public class NotificationManager {

		/**
		* Returns all notification channels belonging to the calling package.
		*
		* <p>Approved notification delegates (see {@link #canNotifyAsPackage(String)}) can query
		* notification channels belonging to packages they are the delegate for. To do so, call this
		* method from a context created for that package (see
		* {@link Context#createPackageContext(String, int)}).</p>
		*/
		public List<NotificationChannel> getNotificationChannels() {
		INotificationManager service = getService();
		try {
		return service.getNotificationChannels(mContext.getPackageName()).getList();
		return service.getNotificationChannels(mContext.getOpPackageName(),
		mContext.getPackageName(), mContext.getUserId()).getList();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}

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

+33 −8

Original line number	Diff line number	Diff line
		@@ -2519,6 +2519,9 @@ public class NotificationManagerService extends SystemService {
		android.Manifest.permission.INTERACT_ACROSS_USERS,
		"canNotifyAsPackage for user " + userId);
		}
		if (callingPkg.equals(targetPkg)) {
		return true;
		}
		try {
		ApplicationInfo info =
		mPackageManager.getApplicationInfo(targetPkg,
		@@ -2588,10 +2591,21 @@ public class NotificationManagerService extends SystemService {
		}

		@Override
		public NotificationChannel getNotificationChannel(String pkg, String channelId) {
		checkCallerIsSystemOrSameApp(pkg);
		public NotificationChannel getNotificationChannel(String callingPkg, int userId,
		String targetPkg, String channelId) {
		if (canNotifyAsPackage(callingPkg, targetPkg, userId)
		\|\| isCallingUidSystem()) {
		int targetUid = -1;
		try {
		targetUid = mPackageManagerClient.getPackageUidAsUser(targetPkg, userId);
		} catch (NameNotFoundException e) {
		/* ignore */
		}
		return mPreferencesHelper.getNotificationChannel(
		pkg, Binder.getCallingUid(), channelId, false /* includeDeleted */);
		targetPkg, targetUid, channelId, false /* includeDeleted */);
		}
		throw new SecurityException("Pkg " + callingPkg
		+ " cannot read channels for " + targetPkg + " in " + userId);
		}

		@Override
		@@ -2726,10 +2740,21 @@ public class NotificationManagerService extends SystemService {
		}

		@Override
		public ParceledListSlice<NotificationChannel> getNotificationChannels(String pkg) {
		checkCallerIsSystemOrSameApp(pkg);
		public ParceledListSlice<NotificationChannel> getNotificationChannels(
		String callingPkg, String targetPkg, int userId) {
		if (canNotifyAsPackage(callingPkg, targetPkg, userId)
		\|\| isCallingUidSystem()) {
		int targetUid = -1;
		try {
		targetUid = mPackageManagerClient.getPackageUidAsUser(targetPkg, userId);
		} catch (NameNotFoundException e) {
		/* ignore */
		}
		return mPreferencesHelper.getNotificationChannels(
		pkg, Binder.getCallingUid(), false /* includeDeleted */);
		targetPkg, targetUid, false /* includeDeleted */);
		}
		throw new SecurityException("Pkg " + callingPkg
		+ " cannot read channels for " + targetPkg + " in " + userId);
		}

		@Override

services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java

+41 −19

Original line number	Diff line number	Diff line
		@@ -391,7 +391,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {

		mBinderService.createNotificationChannels(
		PKG, new ParceledListSlice(Arrays.asList(mTestNotificationChannel)));
		assertNotNull(mBinderService.getNotificationChannel(PKG, TEST_CHANNEL_ID));
		assertNotNull(mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, TEST_CHANNEL_ID));
		}

		@After
		@@ -497,7 +498,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(channel)));
		final NotificationChannel createdChannel =
		mBinderService.getNotificationChannel(PKG, "id");
		mBinderService.getNotificationChannel(PKG, mContext.getUserId(), PKG, "id");
		assertTrue(createdChannel != null);
		}

		@@ -520,8 +521,10 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		new NotificationChannel("id2", "name", IMPORTANCE_DEFAULT);
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(channel1, channel2)));
		assertTrue(mBinderService.getNotificationChannel(PKG, "id1") != null);
		assertTrue(mBinderService.getNotificationChannel(PKG, "id2") != null);
		assertTrue(mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, "id1") != null);
		assertTrue(mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, "id2") != null);
		}

		@Test
		@@ -538,7 +541,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(dupeChannel)));
		final NotificationChannel createdChannel =
		mBinderService.getNotificationChannel(PKG, "id");
		mBinderService.getNotificationChannel(PKG, mContext.getUserId(), PKG, "id");
		assertEquals(IMPORTANCE_DEFAULT, createdChannel.getImportance());
		}

		@@ -556,7 +559,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(dupeChannel)));
		final NotificationChannel createdChannel =
		mBinderService.getNotificationChannel(PKG, "id");
		mBinderService.getNotificationChannel(PKG, mContext.getUserId(), PKG, "id");
		assertEquals(NotificationManager.IMPORTANCE_LOW, createdChannel.getImportance());
		}

		@@ -579,7 +582,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(dupeChannel)));
		final NotificationChannel createdChannel =
		mBinderService.getNotificationChannel(PKG, "id");
		mBinderService.getNotificationChannel(PKG, mContext.getUserId(), PKG, "id");
		assertEquals(IMPORTANCE_HIGH, createdChannel.getImportance());
		}

		@@ -593,7 +596,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.createNotificationChannels(PKG,
		new ParceledListSlice(Arrays.asList(channel1, channel2)));
		final NotificationChannel createdChannel =
		mBinderService.getNotificationChannel(PKG, "id");
		mBinderService.getNotificationChannel(PKG, mContext.getUserId(), PKG, "id");
		assertEquals(IMPORTANCE_DEFAULT, createdChannel.getImportance());
		}

		@@ -646,8 +649,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		assertEquals(1, mBinderService.getActiveNotifications(sbn.getPackageName()).length);
		assertEquals(IMPORTANCE_LOW,
		mService.getNotificationRecord(sbn.getKey()).getImportance());
		assertEquals(IMPORTANCE_LOW,
		mBinderService.getNotificationChannel(PKG, channel.getId()).getImportance());
		assertEquals(IMPORTANCE_LOW, mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, channel.getId()).getImportance());
		}

		@Test
		@@ -664,8 +667,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		new NotificationChannel("blockedbyuser", "name", IMPORTANCE_NONE);
		mBinderService.updateNotificationChannelForPackage(PKG, mUid, update);
		waitForIdle();
		assertEquals(IMPORTANCE_NONE,
		mBinderService.getNotificationChannel(PKG, channel.getId()).getImportance());
		assertEquals(IMPORTANCE_NONE, mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, channel.getId()).getImportance());

		StatusBarNotification sbn = generateNotificationRecord(channel).sbn;
		sbn.getNotification().flags \|= FLAG_FOREGROUND_SERVICE;
		@@ -677,8 +680,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		assertEquals(1, mBinderService.getActiveNotifications(sbn.getPackageName()).length);
		assertEquals(IMPORTANCE_LOW,
		mService.getNotificationRecord(sbn.getKey()).getImportance());
		assertEquals(IMPORTANCE_LOW,
		mBinderService.getNotificationChannel(PKG, channel.getId()).getImportance());
		assertEquals(IMPORTANCE_LOW, mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, channel.getId()).getImportance());
		mBinderService.cancelNotificationWithTag(PKG, "tag", sbn.getId(), sbn.getUserId());
		waitForIdle();

		@@ -686,8 +689,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		update.setFgServiceShown(true);
		mBinderService.updateNotificationChannelForPackage(PKG, mUid, update);
		waitForIdle();
		assertEquals(IMPORTANCE_NONE,
		mBinderService.getNotificationChannel(PKG, channel.getId()).getImportance());
		assertEquals(IMPORTANCE_NONE, mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, channel.getId()).getImportance());

		sbn = generateNotificationRecord(channel).sbn;
		sbn.getNotification().flags \|= FLAG_FOREGROUND_SERVICE;
		@@ -697,8 +700,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		// The second time it is shown, we keep the user's preference.
		assertEquals(0, mBinderService.getActiveNotifications(sbn.getPackageName()).length);
		assertNull(mService.getNotificationRecord(sbn.getKey()));
		assertEquals(IMPORTANCE_NONE,
		mBinderService.getNotificationChannel(PKG, channel.getId()).getImportance());
		assertEquals(IMPORTANCE_NONE, mBinderService.getNotificationChannel(
		PKG, mContext.getUserId(), PKG, channel.getId()).getImportance());
		}

		@Test
		@@ -2692,7 +2695,7 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mService.getNotificationRecord(sbn.getKey()).getImportance());

		NotificationChannel defaultChannel = mBinderService.getNotificationChannel(
		preOPkg, NotificationChannel.DEFAULT_CHANNEL_ID);
		preOPkg, mContext.getUserId(), preOPkg, NotificationChannel.DEFAULT_CHANNEL_ID);
		assertEquals(IMPORTANCE_UNSPECIFIED, defaultChannel.getImportance());
		}

		@@ -4191,6 +4194,25 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
		mBinderService.canNotifyAsPackage("src", "target", mContext.getUserId() + 1);
		}

		@Test
		public void testgetNotificationChannels_crossUser() throws Exception {
		// same user no problem
		mBinderService.getNotificationChannels("src", "target", mContext.getUserId());

		// cross user, no permission, problem
		try {
		mBinderService.getNotificationChannels("src", "target", mContext.getUserId() + 1);
		fail("Should not be callable cross user without cross user permission");
		} catch (SecurityException e) {
		// good
		}

		// cross user, with permission, no problem
		TestablePermissions perms = mContext.getTestablePermissions();
		perms.setPermission(android.Manifest.permission.INTERACT_ACROSS_USERS, PERMISSION_GRANTED);
		mBinderService.getNotificationChannels("src", "target", mContext.getUserId() + 1);
		}

		@Test
		public void setDefaultAssistantForUser_fromConfigXml() {
		clearDeviceConfig();