commit 45b4a71f5cc366c338c1ceb217a602960fd31401
author Julia Reynolds <juliacr@google.com> Wed Jan 12 15:08:29 2022 -0500
committer Julia Reynolds <juliacr@google.com> Wed Jan 12 20:26:22 2022 +0000
tree 1ba793ae5115ae1c687b13fdb43eb94c615451dc
parent d13da3b651d7dee8f01350a7eb255d250fa6a66d

Prevent apps from creating blocked channel groups

setBlocked is a hidden API, so apps should not be calling
the method, but fix up the data in case they do

Test: PreferencesHelperTest; manual with ApiDemos FGS
Bug: 209966086
Change-Id: Icc709a6b0d0a8c5f2d9243959992f1b6764354db
Merged-In: Icc709a6b0d0a8c5f2d9243959992f1b6764354db

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

diff --git a/services/core/java/com/android/server/notification/PreferencesHelper.java b/services/core/java/com/android/server/notification/PreferencesHelper.java
index e8a3a81..185c023 100644
--- a/services/core/java/com/android/server/notification/PreferencesHelper.java
+++ b/services/core/java/com/android/server/notification/PreferencesHelper.java
@@ -796,6 +796,9 @@
             if (r == null) {
                 throw new IllegalArgumentException("Invalid package");
             }
+            if (fromTargetApp) {
+                group.setBlocked(false);
+            }
             final NotificationChannelGroup oldGroup = r.groups.get(group.getId());
             if (oldGroup != null) {
                 group.setChannels(oldGroup.getChannels());

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

diff --git a/services/tests/uiservicestests/src/com/android/server/notification/PreferencesHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/PreferencesHelperTest.java
index 66d1577..77612b9 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/PreferencesHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/PreferencesHelperTest.java
@@ -2224,6 +2224,19 @@
     }
 
     @Test
+    public void testIsGroupBlocked_appCannotCreateAsBlocked() throws Exception {
+        NotificationChannelGroup group = new NotificationChannelGroup("id", "name");
+        group.setBlocked(true);
+        mHelper.createNotificationChannelGroup(PKG_N_MR1, UID_N_MR1, group, true);
+        assertFalse(mHelper.isGroupBlocked(PKG_N_MR1, UID_N_MR1, group.getId()));
+
+        NotificationChannelGroup group3 = group.clone();
+        group3.setBlocked(false);
+        mHelper.createNotificationChannelGroup(PKG_N_MR1, UID_N_MR1, group3, true);
+        assertFalse(mHelper.isGroupBlocked(PKG_N_MR1, UID_N_MR1, group.getId()));
+    }
+
+    @Test
     public void testIsGroup_appCannotResetBlock() throws Exception {
         NotificationChannelGroup group = new NotificationChannelGroup("id", "name");
         mHelper.createNotificationChannelGroup(PKG_N_MR1, UID_N_MR1, group, true);
@@ -3615,7 +3628,7 @@
     public void testGetConversations_noDisabledGroups() {
         NotificationChannelGroup group = new NotificationChannelGroup("a", "a");
         group.setBlocked(true);
-        mHelper.createNotificationChannelGroup(PKG_O, UID_O, group, true);
+        mHelper.createNotificationChannelGroup(PKG_O, UID_O, group, false);
         NotificationChannel parent = new NotificationChannel("parent", "p", 1);
         mHelper.createNotificationChannel(PKG_O, UID_O, parent, true, false);