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Settings: don't try to allow NLSes with too-long component names

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* NotificationAccessConfirmationActivity (triggered through CompanionDeviceManager) -> Don't show the dialog, bail out early similarly to other invalid inputs.
* NotificationAccessSettings (from Special App Access) -> No changes, but use the canonical constant now.
* ApprovalPreferenceController (used in NotificationAccessDetails) -> Disable the toggle, unless the NLS was previously approved (in which case it can still be removed).

Fixes: 260570119
Fixes: 286043036
Test: atest + manually
Change-Id: Ifc048311746c027e3683cdcf65f1079d04cf7c56
Merged-In: Ifc048311746c027e3683cdcf65f1079d04cf7c56
This commit is contained in:
Matías Hernández
2023-06-15 18:37:52 +02:00
parent 78a4048eac
commit f0367c98d0
4 changed files with 27 additions and 3 deletions
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3
src/com/android/settings/applications/specialaccess/notificationaccess/ApprovalPreferenceController.java
View File

@@ -81,6 +81,9 @@ public class ApprovalPreferenceController extends BasePreferenceController {
final SwitchPreference preference = (SwitchPreference) pref;
final CharSequence label = mPkgInfo.applicationInfo.loadLabel(mPm);
preference.setChecked(isServiceEnabled(mCn));
final boolean isAllowedCn = mCn.flattenToShortString().length()
<= NotificationManager.MAX_SERVICE_COMPONENT_NAME_LENGTH;
preference.setEnabled(preference.isChecked() || isAllowedCn);
preference.setOnPreferenceChangeListener((p, newValue) -> {
final boolean access = (Boolean) newValue;
if (!access) {

4
src/com/android/settings/notification/NotificationAccessConfirmationActivity.java
View File

@@ -67,7 +67,9 @@ public class NotificationAccessConfirmationActivity extends Activity
mUserId = getIntent().getIntExtra(EXTRA_USER_ID, UserHandle.USER_NULL);
CharSequence mAppLabel;
if (mComponentName == null || mComponentName.getPackageName() == null) {
if (mComponentName == null || mComponentName.getPackageName() == null
|| mComponentName.flattenToString().length()
> NotificationManager.MAX_SERVICE_COMPONENT_NAME_LENGTH) {
finish();
return;
}

4
src/com/android/settings/notification/NotificationAccessSettings.java
View File

@@ -63,7 +63,6 @@ public class NotificationAccessSettings extends EmptyTextSettings {
private static final String TAG = "NotifAccessSettings";
static final String ALLOWED_KEY = "allowed";
static final String NOT_ALLOWED_KEY = "not_allowed";
private static final int MAX_CN_LENGTH = 500;
private static final ManagedServiceSettings.Config CONFIG =
new ManagedServiceSettings.Config.Builder()
@@ -145,7 +144,8 @@ public class NotificationAccessSettings extends EmptyTextSettings {
for (ServiceInfo service : services) {
final ComponentName cn = new ComponentName(service.packageName, service.name);
boolean isAllowed = mNm.isNotificationListenerAccessGranted(cn);
if (!isAllowed && cn.flattenToString().length() > MAX_CN_LENGTH) {
if (!isAllowed && cn.flattenToString().length()
> NotificationManager.MAX_SERVICE_COMPONENT_NAME_LENGTH) {
continue;
}

19
tests/unit/src/com/android/settings/applications/specialaccess/notificationaccess/ApprovalPreferenceControllerTest.java
View File

@@ -77,6 +77,25 @@ public class ApprovalPreferenceControllerTest {
mController.setPkgInfo(mPkgInfo);
}
@Test
public void updateState_enabled() {
SwitchPreference pref = new SwitchPreference(mContext);
mController.updateState(pref);
assertThat(pref.isEnabled()).isTrue();
}
@Test
public void updateState_invalidCn_disabled() {
ComponentName longCn = new ComponentName("com.example.package",
com.google.common.base.Strings.repeat("Blah", 150));
mController.setCn(longCn);
SwitchPreference pref = new SwitchPreference(mContext);
mController.updateState(pref);
assertThat(pref.isEnabled()).isFalse();
}
@Test
public void updateState_checked() {
when(mNm.isNotificationListenerAccessGranted(mCn)).thenReturn(true);