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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.pm;
import static com.google.common.truth.Truth.assertThat;
import static org.testng.Assert.assertThrows;
import android.content.pm.UserProperties;
import android.os.Parcel;
import android.platform.test.annotations.Presubmit;
import android.util.Xml;
import androidx.test.filters.MediumTest;
import androidx.test.runner.AndroidJUnit4;
import com.android.modules.utils.TypedXmlPullParser;
import com.android.modules.utils.TypedXmlSerializer;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.nio.charset.StandardCharsets;
import java.util.function.Supplier;
/**
* Tests for UserManager's {@link UserProperties}.
*
* Additional test coverage (that actually exercises the functionality) can be found in
* {@link UserManagerTest} and
* {@link UserManagerServiceUserTypeTest} (for {@link UserProperties#updateFromXml}).
*
* <p>Run with: atest UserManagerServiceUserPropertiesTest
*/
@Presubmit
@RunWith(AndroidJUnit4.class)
@MediumTest
public class UserManagerServiceUserPropertiesTest {
/** Test that UserProperties can properly read the xml information that it writes. */
@Test
public void testWriteReadXml() throws Exception {
final UserProperties defaultProps = new UserProperties.Builder()
.setShowInLauncher(21)
.setStartWithParent(false)
.setShowInSettings(45)
.setInheritDevicePolicy(67)
.setUseParentsContacts(false)
.setCrossProfileIntentFilterAccessControl(10)
.setCrossProfileIntentResolutionStrategy(0)
.setMediaSharedWithParent(false)
.setCredentialShareableWithParent(true)
.setDeleteAppWithParent(false)
.build();
final UserProperties actualProps = new UserProperties(defaultProps);
actualProps.setShowInLauncher(14);
actualProps.setShowInSettings(32);
actualProps.setInheritDevicePolicy(51);
actualProps.setUseParentsContacts(true);
actualProps.setCrossProfileIntentFilterAccessControl(20);
actualProps.setCrossProfileIntentResolutionStrategy(1);
actualProps.setMediaSharedWithParent(true);
actualProps.setCredentialShareableWithParent(false);
actualProps.setDeleteAppWithParent(true);
// Write the properties to xml.
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final TypedXmlSerializer out = Xml.newFastSerializer();
out.setOutput(baos, StandardCharsets.UTF_8.name());
out.startDocument(null, true);
out.startTag(null, "testTag");
actualProps.writeToXml(out);
out.endTag(null, "testTag");
out.endDocument();
// Now read those properties from xml.
final ByteArrayInputStream input = new ByteArrayInputStream(baos.toByteArray());
final TypedXmlPullParser parser = Xml.newFastPullParser();
parser.setInput(input, StandardCharsets.UTF_8.name());
parser.nextTag();
final UserProperties readProps = new UserProperties(parser, defaultProps);
assertUserPropertiesEquals(actualProps, readProps);
}
/** Tests parcelling an object in which all properties are present. */
@Test
public void testParcelUnparcel() throws Exception {
final UserProperties originalProps = new UserProperties.Builder()
.setShowInLauncher(2145)
.build();
final UserProperties readProps = parcelThenUnparcel(originalProps);
assertUserPropertiesEquals(originalProps, readProps);
}
/** Tests copying a UserProperties object varying permissions. */
@Test
public void testCopyLacksPermissions() throws Exception {
final UserProperties defaultProps = new UserProperties.Builder()
.setShowInLauncher(2145)
.setStartWithParent(true)
.setShowInSettings(3452)
.setInheritDevicePolicy(1732)
.setMediaSharedWithParent(true)
.setDeleteAppWithParent(true)
.build();
final UserProperties orig = new UserProperties(defaultProps);
orig.setShowInLauncher(2841);
orig.setStartWithParent(false);
orig.setShowInSettings(1437);
orig.setInheritDevicePolicy(9456);
orig.setDeleteAppWithParent(false);
// Test every permission level. (Currently, it's linear so it's easy.)
for (int permLevel = 0; permLevel < 4; permLevel++) {
final boolean exposeAll = permLevel >= 3;
final boolean hasManage = permLevel >= 2;
final boolean hasQuery = permLevel >= 1;
// Make a possibly-not-full-permission (i.e. partial) copy and check that it is correct.
final UserProperties copy = new UserProperties(orig, exposeAll, hasManage, hasQuery);
verifyTestCopyLacksPermissions(orig, copy, exposeAll, hasManage, hasQuery);
if (permLevel < 1) {
// PropertiesPresent should definitely be different since not all items were copied.
assertThat(orig.getPropertiesPresent()).isNotEqualTo(copy.getPropertiesPresent());
}
// Now, just like in the SystemServer, parcel/unparcel the copy and make sure that the
// unparcelled version behaves just like the partial copy did.
final UserProperties readProps = parcelThenUnparcel(copy);
verifyTestCopyLacksPermissions(orig, readProps, exposeAll, hasManage, hasQuery);
}
}
/**
* Verifies that the copy of orig has the expected properties
* for the test {@link #testCopyLacksPermissions}.
*/
private void verifyTestCopyLacksPermissions(
UserProperties orig,
UserProperties copy,
boolean exposeAll,
boolean hasManagePermission,
boolean hasQueryPermission) {
// Items requiring exposeAll.
assertEqualGetterOrThrows(orig::getStartWithParent, copy::getStartWithParent, exposeAll);
assertEqualGetterOrThrows(orig::getInheritDevicePolicy,
copy::getInheritDevicePolicy, exposeAll);
assertEqualGetterOrThrows(orig::getCrossProfileIntentFilterAccessControl,
copy::getCrossProfileIntentFilterAccessControl, exposeAll);
assertEqualGetterOrThrows(orig::getCrossProfileIntentResolutionStrategy,
copy::getCrossProfileIntentResolutionStrategy, exposeAll);
assertEqualGetterOrThrows(orig::getDeleteAppWithParent,
copy::getDeleteAppWithParent, exposeAll);
// Items requiring hasManagePermission - put them here using hasManagePermission.
assertEqualGetterOrThrows(orig::getShowInSettings, copy::getShowInSettings,
hasManagePermission);
assertEqualGetterOrThrows(orig::getUseParentsContacts,
copy::getUseParentsContacts, hasManagePermission);
// Items requiring hasQueryPermission - put them here using hasQueryPermission.
// Items with no permission requirements.
assertEqualGetterOrThrows(orig::getShowInLauncher, copy::getShowInLauncher, true);
assertEqualGetterOrThrows(orig::isMediaSharedWithParent,
copy::isMediaSharedWithParent, true);
assertEqualGetterOrThrows(orig::isCredentialShareableWithParent,
copy::isCredentialShareableWithParent, true);
}
/**
* If hasPerm, then asserts that value of actualGetter equals value of expectedGetter.
* If !hasPerm, then asserts that actualGetter throws a SecurityException.
*/
@SuppressWarnings("ReturnValueIgnored")
private void assertEqualGetterOrThrows(
Supplier expectedGetter,
Supplier actualGetter,
boolean hasPerm) {
if (hasPerm) {
assertThat(expectedGetter.get()).isEqualTo(actualGetter.get());
} else {
assertThrows(SecurityException.class, actualGetter::get);
}
}
private UserProperties parcelThenUnparcel(UserProperties originalProps) {
final Parcel out = Parcel.obtain();
originalProps.writeToParcel(out, 0);
final byte[] data = out.marshall();
out.recycle();
final Parcel in = Parcel.obtain();
in.unmarshall(data, 0, data.length);
in.setDataPosition(0);
final UserProperties readProps = UserProperties.CREATOR.createFromParcel(in);
in.recycle();
return readProps;
}
/** Checks that two UserProperties get the same values. */
private void assertUserPropertiesEquals(UserProperties expected, UserProperties actual) {
assertThat(expected.getPropertiesPresent()).isEqualTo(actual.getPropertiesPresent());
assertThat(expected.getShowInLauncher()).isEqualTo(actual.getShowInLauncher());
assertThat(expected.getStartWithParent()).isEqualTo(actual.getStartWithParent());
assertThat(expected.getShowInSettings()).isEqualTo(actual.getShowInSettings());
assertThat(expected.getInheritDevicePolicy()).isEqualTo(actual.getInheritDevicePolicy());
assertThat(expected.getUseParentsContacts()).isEqualTo(actual.getUseParentsContacts());
assertThat(expected.getCrossProfileIntentFilterAccessControl())
.isEqualTo(actual.getCrossProfileIntentFilterAccessControl());
assertThat(expected.getCrossProfileIntentResolutionStrategy())
.isEqualTo(actual.getCrossProfileIntentResolutionStrategy());
assertThat(expected.isMediaSharedWithParent())
.isEqualTo(actual.isMediaSharedWithParent());
assertThat(expected.isCredentialShareableWithParent())
.isEqualTo(actual.isCredentialShareableWithParent());
assertThat(expected.getDeleteAppWithParent()).isEqualTo(actual.getDeleteAppWithParent());
}
}
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