Merge "Fix notification_policy user_set upgrade error" into sc-v2-dev am: dc5c3bf385

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16176735

Change-Id: Icee153c3f6d7607ae533e9a3c511681eeb9795bb

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

@@ -114,9 +114,10 @@ abstract public class ManagedServices {
     static final String ATT_VERSION = "version";
     static final String ATT_DEFAULTS = "defaults";
     static final String ATT_USER_SET = "user_set_services";
+    static final String ATT_USER_SET_OLD = "user_set";
     static final String ATT_USER_CHANGED = "user_changed";
 
-    static final int DB_VERSION = 4;
+    static final String DB_VERSION = "4";
 
     static final int APPROVAL_BY_PACKAGE = 0;
     static final int APPROVAL_BY_COMPONENT = 1;
@@ -482,7 +483,7 @@ abstract public class ManagedServices {
     public void writeXml(TypedXmlSerializer out, boolean forBackup, int userId) throws IOException {
         out.startTag(null, getConfig().xmlTag);
 
-        out.attributeInt(null, ATT_VERSION, DB_VERSION);
+        out.attributeInt(null, ATT_VERSION, Integer.parseInt(DB_VERSION));
 
         writeDefaults(out);
 
@@ -615,6 +616,7 @@ abstract public class ManagedServices {
         // read grants
         int type;
         String version = XmlUtils.readStringAttribute(parser, ATT_VERSION);
+        boolean needUpgradeUserset = false;
         readDefaults(parser);
         while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) {
             String tag = parser.getName();
@@ -633,13 +635,42 @@ abstract public class ManagedServices {
                     final boolean isPrimary =
                             parser.getAttributeBoolean(null, ATT_IS_PRIMARY, true);
 
+                    // Load three different userSet attributes from xml
+                    // user_changed, not null if version == 4 and is NAS setting
                     final String isUserChanged = XmlUtils.readStringAttribute(parser,
                             ATT_USER_CHANGED);
-                    String userSetComponent = null;
+                    // user_set, not null if version <= 3
-                    if (isUserChanged == null) {
+                    final String isUserChanged_Old = XmlUtils.readStringAttribute(parser,
-                        userSetComponent = XmlUtils.readStringAttribute(parser, ATT_USER_SET);
+                            ATT_USER_SET_OLD);
-                    } else {
+                    // user_set_services, not null if version >= 3 and is non-NAS setting
+                    String userSetComponent = XmlUtils.readStringAttribute(parser, ATT_USER_SET);
+
+                    // since the same xml version may have different userSet attributes,
+                    // we need to check both xml version and userSet values to know how to set
+                    // the userSetComponent/mIsUserChanged to the correct value
+                    if (DB_VERSION.equals(version)) {
+                        // version 4, NAS contains user_changed and
+                        // NLS/others contain user_set_services
+                        if (isUserChanged == null) { //NLS
+                            userSetComponent = TextUtils.emptyIfNull(userSetComponent);
+                        } else { //NAS
                             mIsUserChanged.put(resolvedUserId, Boolean.valueOf(isUserChanged));
+                            userSetComponent = Boolean.valueOf(isUserChanged) ? approved : "";
+                        }
+                    } else {
+                        // version 3 may contain user_set (R) or user_set_services (S)
+                        // version 2 or older contain user_set or nothing
+                        needUpgradeUserset = true;
+                        if (userSetComponent == null) { //contains user_set
+                            if (isUserChanged_Old != null && Boolean.valueOf(isUserChanged_Old)) {
+                                //user_set = true
+                                userSetComponent = approved;
+                                mIsUserChanged.put(resolvedUserId, true);
+                                needUpgradeUserset = false;
+                            } else {
+                                userSetComponent = "";
+                            }
+                        }
                     }
                     readExtraAttributes(tag, parser, resolvedUserId);
                     if (allowedManagedServicePackages == null || allowedManagedServicePackages.test(
@@ -659,7 +690,6 @@ abstract public class ManagedServices {
                 || DB_VERSION_1.equals(version)
                 || DB_VERSION_2.equals(version)
                 || DB_VERSION_3.equals(version);
-        boolean needUpgradeUserset = DB_VERSION_3.equals(version);
         if (isOldVersion) {
             upgradeDefaultsXmlVersion();
         }

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

@@ -379,6 +379,7 @@ public class ManagedServicesTest extends UiServiceTestCase {
     /** Test that restore correctly parses the user_set attribute. */
     @Test
     public void testReadXml_restoresUserSet() throws Exception {
+        mVersionString = "4";
         for (int approvalLevel : new int[] {APPROVAL_BY_COMPONENT, APPROVAL_BY_PACKAGE}) {
             ManagedServices service =
                     new TestManagedServices(
@@ -1513,7 +1514,8 @@ public class ManagedServicesTest extends UiServiceTestCase {
         for (int userId : mExpectedPrimary.get(service.mApprovalLevel).keySet()) {
             String pkgOrCmp = mExpectedPrimary.get(service.mApprovalLevel).get(userId);
             xml.append(getXmlEntry(
-                    pkgOrCmp, userId, true, !(pkgOrCmp.startsWith("non.user.set.package"))));
+                    pkgOrCmp, userId, true,
+                    !(pkgOrCmp.startsWith("non.user.set.package"))));
         }
         for (int userId : mExpectedSecondary.get(service.mApprovalLevel).keySet()) {
             xml.append(getXmlEntry(
@@ -1541,7 +1543,9 @@ public class ManagedServicesTest extends UiServiceTestCase {
     private TypedXmlPullParser getParserWithEntries(ManagedServices service, String... xmlEntries)
             throws Exception {
         final StringBuffer xml = new StringBuffer();
-        xml.append("<" + service.getConfig().xmlTag + ">\n");
+        xml.append("<" + service.getConfig().xmlTag
+                + (mVersionString != null ? " version=\"" + mVersionString + "\" " : "")
+                + ">\n");
         for (String xmlEntry : xmlEntries) {
             xml.append(xmlEntry);
         }
@@ -1726,12 +1730,19 @@ public class ManagedServicesTest extends UiServiceTestCase {
     }
 
     private String getXmlEntry(String approved, int userId, boolean isPrimary, boolean userSet) {
+        String userSetString = "";
+        if (mVersionString.equals("4")) {
+            userSetString =
+                    ManagedServices.ATT_USER_CHANGED + "=\"" + String.valueOf(userSet) + "\" ";
+        } else if (mVersionString.equals("3")) {
+            userSetString =
+                    ManagedServices.ATT_USER_SET + "=\"" + (userSet ? approved : "") + "\" ";
+        }
         return "<" + ManagedServices.TAG_MANAGED_SERVICES + " "
                 + ManagedServices.ATT_USER_ID + "=\"" + userId +"\" "
                 + ManagedServices.ATT_IS_PRIMARY + "=\"" + isPrimary +"\" "
                 + ManagedServices.ATT_APPROVED_LIST + "=\"" + approved +"\" "
-                + ManagedServices.ATT_USER_SET + "=\"" + (userSet ? approved : "") + "\" "
+                + userSetString + "/>\n";
-                + "/>\n";
     }
 
     class TestManagedServices extends ManagedServices {

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

@@ -16,6 +16,7 @@
 package com.android.server.notification;
 
 import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertNotNull;
 import static junit.framework.Assert.assertTrue;
 
@@ -124,6 +125,7 @@ public class NotificationAssistantsTest extends UiServiceTestCase {
         profileIds.add(12);
         when(mUserProfiles.getCurrentProfileIds()).thenReturn(profileIds);
         when(mNm.isNASMigrationDone(anyInt())).thenReturn(true);
+        when(mNm.canUseManagedServices(any(), anyInt(), any())).thenReturn(true);
     }
 
     @Test
@@ -177,6 +179,92 @@ public class NotificationAssistantsTest extends UiServiceTestCase {
         assertTrue(mAssistants.mIsUserChanged.get(0));
     }
 
+    @Test
+    public void testReadXml_upgradeUserSet_preS_VersionThree() throws Exception {
+        String xml = "<enabled_assistants version=\"3\" defaults=\"b/b\">"
+                + "<service_listing approved=\"\" user=\"0\" primary=\"true\""
+                + "user_set=\"true\"/>"
+                + "</enabled_assistants>";
+
+        final TypedXmlPullParser parser = Xml.newFastPullParser();
+        parser.setInput(new BufferedInputStream(
+                new ByteArrayInputStream(xml.toString().getBytes())), null);
+        TriPredicate<String, Integer, String> allowedManagedServicePackages =
+                mNm::canUseManagedServices;
+
+        parser.nextTag();
+        mAssistants.readXml(parser, allowedManagedServicePackages, false, UserHandle.USER_ALL);
+
+        verify(mAssistants, times(0)).upgradeUserSet();
+        assertTrue(isUserSetServicesEmpty(mAssistants, 0));
+        assertTrue(mAssistants.mIsUserChanged.get(0));
+    }
+
+    @Test
+    public void testReadXml_upgradeUserSet_preS_VersionOne() throws Exception {
+        String xml = "<enabled_assistants version=\"1\" defaults=\"b/b\">"
+                + "<service_listing approved=\"\" user=\"0\" primary=\"true\""
+                + "user_set=\"true\"/>"
+                + "</enabled_assistants>";
+
+        final TypedXmlPullParser parser = Xml.newFastPullParser();
+        parser.setInput(new BufferedInputStream(
+                new ByteArrayInputStream(xml.toString().getBytes())), null);
+        TriPredicate<String, Integer, String> allowedManagedServicePackages =
+                mNm::canUseManagedServices;
+
+        parser.nextTag();
+        mAssistants.readXml(parser, allowedManagedServicePackages, false, UserHandle.USER_ALL);
+
+        verify(mAssistants, times(0)).upgradeUserSet();
+        assertTrue(isUserSetServicesEmpty(mAssistants, 0));
+        assertTrue(mAssistants.mIsUserChanged.get(0));
+    }
+
+    @Test
+    public void testReadXml_upgradeUserSet_preS_noUserSet() throws Exception {
+        String xml = "<enabled_assistants version=\"3\" defaults=\"b/b\">"
+                + "<service_listing approved=\"b/b\" user=\"0\" primary=\"true\"/>"
+                + "</enabled_assistants>";
+
+        final TypedXmlPullParser parser = Xml.newFastPullParser();
+        parser.setInput(new BufferedInputStream(
+                new ByteArrayInputStream(xml.toString().getBytes())), null);
+        TriPredicate<String, Integer, String> allowedManagedServicePackages =
+                mNm::canUseManagedServices;
+
+        parser.nextTag();
+        mAssistants.readXml(parser, allowedManagedServicePackages, false, UserHandle.USER_ALL);
+
+        verify(mAssistants, times(1)).upgradeUserSet();
+        assertTrue(isUserSetServicesEmpty(mAssistants, 0));
+        assertFalse(mAssistants.mIsUserChanged.get(0));
+    }
+
+    @Test
+    public void testReadXml_upgradeUserSet_preS_noUserSet_diffDefault() throws Exception {
+        String xml = "<enabled_assistants version=\"3\" defaults=\"a/a\">"
+                + "<service_listing approved=\"b/b\" user=\"0\" primary=\"true\"/>"
+                + "</enabled_assistants>";
+
+        final TypedXmlPullParser parser = Xml.newFastPullParser();
+        parser.setInput(new BufferedInputStream(
+                new ByteArrayInputStream(xml.toString().getBytes())), null);
+        TriPredicate<String, Integer, String> allowedManagedServicePackages =
+                mNm::canUseManagedServices;
+
+        parser.nextTag();
+        mAssistants.readXml(parser, allowedManagedServicePackages, false, UserHandle.USER_ALL);
+
+        verify(mAssistants, times(1)).upgradeUserSet();
+        assertTrue(isUserSetServicesEmpty(mAssistants, 0));
+        assertFalse(mAssistants.mIsUserChanged.get(0));
+        assertEquals(new ArraySet<>(Arrays.asList(new ComponentName("a", "a"))),
+                mAssistants.getDefaultComponents());
+        assertEquals(Arrays.asList(new ComponentName("b", "b")),
+                mAssistants.getAllowedComponents(0));
+    }
+
     @Test
     public void testReadXml_multiApproved() throws Exception {
         String xml = "<enabled_assistants version=\"4\" defaults=\"b/b\">"
@@ -210,7 +298,7 @@ public class NotificationAssistantsTest extends UiServiceTestCase {
 
         verify(mNm, never()).setDefaultAssistantForUser(anyInt());
         verify(mAssistants, times(1)).addApprovedList(
-                new ComponentName("b", "b").flattenToString(), 10, true, null);
+                new ComponentName("b", "b").flattenToString(), 10, true, "");
     }
 
     @Test
@@ -380,4 +468,11 @@ public class NotificationAssistantsTest extends UiServiceTestCase {
         verify(mNm, times(1)).setDefaultAssistantForUser(eq(mZero.id));
         assertEquals(new ArraySet<>(), mAssistants.getDefaultComponents());
     }
+
+    // Helper function to hold mApproved lock, avoid GuardedBy lint errors
+    private boolean isUserSetServicesEmpty(NotificationAssistants assistant, int userId) {
+        synchronized (assistant.mApproved) {
+            return assistant.mUserSetServices.get(userId).isEmpty();
+        }
+    }
 }