Use PM#isSameApp instead of getPackageUidAsUser.

PM#isSameApp provides the same intended functionality as checking
PM#getPackageUidAsUser, but has special case handling for SDK Sandbox
uids which follow a different pattern.
PM#isSameApp uses UserHandle#isSameApp under the hood, which also
already includes logic to ignore the user id part of uids so we
preserve the same MATCH_ANY_USER behavior as the prior version.

Bug: 257047268
Test: atest AccessibilitySecurityPolicyTest
Test: Install SdkSandboxClient test app in work profile,
      explore by touch using TalkBack
Change-Id: Icb49d024a7c1ee9dda6f7a57778142e833e55613
This commit is contained in:
Daniel Norman
2023-04-24 14:20:34 -07:00
parent 9188aa6068
commit 9a96e9ec44
3 changed files with 20 additions and 20 deletions

View File

@@ -490,7 +490,7 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
mMainHandler, context,
new PolicyWarningUIController.NotificationController(context));
mSecurityPolicy = new AccessibilitySecurityPolicy(policyWarningUIController, mContext,
this);
this, LocalServices.getService(PackageManagerInternal.class));
mA11yWindowManager = new AccessibilityWindowManager(mLock, mMainHandler,
mWindowManagerService, this, mSecurityPolicy, this, mTraceManager);
mA11yDisplayListener = new AccessibilityDisplayListener(mContext, mMainHandler);

View File

@@ -29,6 +29,7 @@ import android.appwidget.AppWidgetManagerInternal;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.PackageManagerInternal;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.UserInfo;
@@ -99,6 +100,7 @@ public class AccessibilitySecurityPolicy {
private final Context mContext;
private final PackageManager mPackageManager;
private final PackageManagerInternal mPackageManagerInternal;
private final UserManager mUserManager;
private final AppOpsManager mAppOpsManager;
private final AccessibilityUserManager mAccessibilityUserManager;
@@ -116,10 +118,12 @@ public class AccessibilitySecurityPolicy {
*/
public AccessibilitySecurityPolicy(PolicyWarningUIController policyWarningUIController,
@NonNull Context context,
@NonNull AccessibilityUserManager a11yUserManager) {
@NonNull AccessibilityUserManager a11yUserManager,
@NonNull PackageManagerInternal packageManagerInternal) {
mContext = context;
mAccessibilityUserManager = a11yUserManager;
mPackageManager = mContext.getPackageManager();
mPackageManagerInternal = packageManagerInternal;
mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
mPolicyWarningUIController = policyWarningUIController;
@@ -513,12 +517,7 @@ public class AccessibilitySecurityPolicy {
private boolean isValidPackageForUid(String packageName, int uid) {
final long token = Binder.clearCallingIdentity();
try {
// Since we treat calls from a profile as if made by its parent, using
// MATCH_ANY_USER to query the uid of the given package name.
return uid == mPackageManager.getPackageUidAsUser(
packageName, PackageManager.MATCH_ANY_USER, UserHandle.getUserId(uid));
} catch (PackageManager.NameNotFoundException e) {
return false;
return mPackageManagerInternal.isSameApp(packageName, uid, UserHandle.getUserId(uid));
} finally {
Binder.restoreCallingIdentity(token);
}

View File

@@ -146,7 +146,7 @@ public class AccessibilitySecurityPolicyTest {
@Mock
private PolicyWarningUIController mPolicyWarningUIController;
@Mock
private PackageManagerInternal mPackageManagerInternal;
private PackageManagerInternal mMockPackageManagerInternal;
@Before
public void setUp() {
@@ -158,7 +158,8 @@ public class AccessibilitySecurityPolicyTest {
R.dimen.accessibility_focus_highlight_stroke_width, 1);
mA11ySecurityPolicy = new AccessibilitySecurityPolicy(
mPolicyWarningUIController, mContext, mMockA11yUserManager);
mPolicyWarningUIController, mContext, mMockA11yUserManager,
mMockPackageManagerInternal);
mA11ySecurityPolicy.setSendingNonA11yToolNotificationLocked(true);
mA11ySecurityPolicy.setAccessibilityWindowManager(mMockA11yWindowManager);
mA11ySecurityPolicy.setAppWidgetManager(mMockAppWidgetManager);
@@ -237,8 +238,8 @@ public class AccessibilitySecurityPolicyTest {
@Test
public void resolveValidReportedPackage_uidAndPkgNameMatched_returnPkgName()
throws PackageManager.NameNotFoundException {
when(mMockPackageManager.getPackageUidAsUser(PACKAGE_NAME,
PackageManager.MATCH_ANY_USER, TEST_USER_ID)).thenReturn(APP_UID);
when(mMockPackageManagerInternal.isSameApp(PACKAGE_NAME, APP_UID, TEST_USER_ID))
.thenReturn(true);
assertEquals(mA11ySecurityPolicy.resolveValidReportedPackageLocked(
PACKAGE_NAME, APP_UID, TEST_USER_ID, APP_PID),
@@ -257,8 +258,8 @@ public class AccessibilitySecurityPolicyTest {
when(mMockAppWidgetManager.getHostedWidgetPackages(widgetHostUid))
.thenReturn(widgetPackages);
when(mMockPackageManager.getPackageUidAsUser(hostPackageName, TEST_USER_ID))
.thenReturn(widgetHostUid);
when(mMockPackageManagerInternal.isSameApp(hostPackageName, widgetHostUid, TEST_USER_ID))
.thenReturn(true);
assertEquals(mA11ySecurityPolicy.resolveValidReportedPackageLocked(
widgetPackageName, widgetHostUid, TEST_USER_ID, widgetHostPid),
@@ -272,8 +273,8 @@ public class AccessibilitySecurityPolicyTest {
final String[] uidPackages = {PACKAGE_NAME, PACKAGE_NAME2};
when(mMockPackageManager.getPackagesForUid(APP_UID))
.thenReturn(uidPackages);
when(mMockPackageManager.getPackageUidAsUser(invalidPackageName, TEST_USER_ID))
.thenThrow(PackageManager.NameNotFoundException.class);
when(mMockPackageManagerInternal.isSameApp(invalidPackageName, APP_UID, TEST_USER_ID))
.thenReturn(false);
when(mMockAppWidgetManager.getHostedWidgetPackages(APP_UID))
.thenReturn(new ArraySet<>());
mContext.getTestablePermissions().setPermission(
@@ -292,8 +293,8 @@ public class AccessibilitySecurityPolicyTest {
final String[] uidPackages = {PACKAGE_NAME};
when(mMockPackageManager.getPackagesForUid(APP_UID))
.thenReturn(uidPackages);
when(mMockPackageManager.getPackageUidAsUser(wantedPackageName, TEST_USER_ID))
.thenReturn(wantedUid);
when(mMockPackageManagerInternal.isSameApp(wantedPackageName, wantedUid, TEST_USER_ID))
.thenReturn(true);
when(mMockAppWidgetManager.getHostedWidgetPackages(APP_UID))
.thenReturn(new ArraySet<>());
mContext.getTestablePermissions().setPermission(
@@ -312,8 +313,8 @@ public class AccessibilitySecurityPolicyTest {
final String[] uidPackages = {PACKAGE_NAME};
when(mMockPackageManager.getPackagesForUid(APP_UID))
.thenReturn(uidPackages);
when(mMockPackageManager.getPackageUidAsUser(wantedPackageName, TEST_USER_ID))
.thenReturn(wantedUid);
when(mMockPackageManagerInternal.isSameApp(wantedPackageName, wantedUid, TEST_USER_ID))
.thenReturn(true);
when(mMockAppWidgetManager.getHostedWidgetPackages(APP_UID))
.thenReturn(new ArraySet<>());
mContext.getTestablePermissions().setPermission(