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/*
* Copyright (C) 2018 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.slice;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.net.Uri;
import android.net.Uri.Builder;
import android.os.FileUtils;
import android.testing.AndroidTestingRunner;
import android.testing.TestableLooper;
import android.testing.TestableLooper.RunWithLooper;
import android.util.Xml.Encoding;
import androidx.test.filters.SmallTest;
import com.android.server.UiServiceTestCase;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import org.xmlpull.v1.XmlSerializer;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
@SmallTest
@RunWith(AndroidTestingRunner.class)
@RunWithLooper
public class SlicePermissionManagerTest extends UiServiceTestCase {
@Test
public void testGrant() {
File sliceDir = new File(mContext.getDataDir(), "system/slices");
SlicePermissionManager permissions = new SlicePermissionManager(mContext,
TestableLooper.get(this).getLooper(), sliceDir);
Uri uri = new Builder().scheme(ContentResolver.SCHEME_CONTENT)
.authority("authority")
.path("something").build();
permissions.grantSliceAccess("my.pkg", 0, "provider.pkg", 0, uri);
assertTrue(permissions.hasPermission("my.pkg", 0, uri));
}
@Test
public void testBackup() throws XmlPullParserException, IOException {
File sliceDir = new File(mContext.getDataDir(), "system/slices");
Uri uri = new Builder().scheme(ContentResolver.SCHEME_CONTENT)
.authority("authority")
.path("something").build();
SlicePermissionManager permissions = new SlicePermissionManager(mContext,
TestableLooper.get(this).getLooper(), sliceDir);
permissions.grantFullAccess("com.android.mypkg", 10);
permissions.grantSliceAccess("com.android.otherpkg", 0, "com.android.lastpkg", 1, uri);
ByteArrayOutputStream output = new ByteArrayOutputStream();
XmlSerializer serializer = XmlPullParserFactory.newInstance().newSerializer();
serializer.setOutput(output, Encoding.UTF_8.name());
TestableLooper.get(this).processAllMessages();
permissions.writeBackup(serializer);
serializer.flush();
ByteArrayInputStream input = new ByteArrayInputStream(output.toByteArray());
XmlPullParser parser = XmlPullParserFactory.newInstance().newPullParser();
parser.setInput(input, Encoding.UTF_8.name());
permissions = new SlicePermissionManager(mContext,
TestableLooper.get(this).getLooper());
permissions.readRestore(parser);
assertTrue(permissions.hasFullAccess("com.android.mypkg", 10));
assertTrue(permissions.hasPermission("com.android.otherpkg", 0,
ContentProvider.maybeAddUserId(uri, 1)));
permissions.removePkg("com.android.lastpkg", 1);
assertFalse(permissions.hasPermission("com.android.otherpkg", 0,
ContentProvider.maybeAddUserId(uri, 1)));
// Cleanup.
assertTrue(FileUtils.deleteContentsAndDir(sliceDir));
}
@Test
public void testInvalid() throws Exception {
File sliceDir = new File(mContext.getCacheDir(), "slices-test");
if (!sliceDir.exists()) {
sliceDir.mkdir();
}
SlicePermissionManager permissions = new SlicePermissionManager(mContext,
TestableLooper.get(this).getLooper(), sliceDir);
DirtyTracker.Persistable junk = new DirtyTracker.Persistable() {
@Override
public String getFileName() {
return "invalidData";
}
@Override
public void writeTo(XmlSerializer out) throws IOException {
throw new RuntimeException("this doesn't work");
}
};
// let's put something bad in here
permissions.addDirtyImmediate(junk);
// force a persist. if this throws, it would take down system_server
permissions.handlePersist();
// Cleanup.
assertTrue(FileUtils.deleteContentsAndDir(sliceDir));
}
}
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