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/*
* Copyright (C) 2016 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.apkzlib.sign;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertNotNull;
import com.android.apkzlib.utils.ApkZLibPair;
import com.android.apkzlib.zip.AlignmentRule;
import com.android.apkzlib.zip.AlignmentRules;
import com.android.apkzlib.zip.StoredEntry;
import com.android.apkzlib.zip.ZFile;
import com.android.apkzlib.zip.ZFileOptions;
import com.android.apkzlib.zip.ZFileTestConstants;
import com.android.apkzlib.utils.ApkZFileTestUtils;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
/**
* Tests that verify APK Signature Scheme v2 signing using {@link SigningExtension}.
*/
public class FullApkSignTest {
/**
* Folder used for tests.
*/
@Rule
public TemporaryFolder mTemporaryFolder = new TemporaryFolder();
@Test
public void testSignature() throws Exception {
File out = new File(mTemporaryFolder.getRoot(), "apk");
ApkZLibPair<PrivateKey, X509Certificate> signData =
SignatureTestUtils.generateSignaturePre18();
// The byte arrays below are larger when compressed, so we end up storing them uncompressed,
// which would normally cause them to be 4-aligned. Disable that, to make calculations
// easier.
ZFileOptions options = new ZFileOptions();
options.setAlignmentRule(AlignmentRules.constant(AlignmentRule.NO_ALIGNMENT));
/*
* Generate a signed zip.
*/
ZFile zf = new ZFile(out, options);
new SigningExtension(13, signData.v2, signData.v1, false, true)
.register(zf);
String f1Name = "abc";
byte[] f1Data = new byte[] { 1, 1, 1, 1 };
zf.add(f1Name, new ByteArrayInputStream(f1Data));
String f2Name = "defg";
byte[] f2Data = new byte[] { 2, 2, 2, 2, 3, 3, 3, 3};
zf.add(f2Name, new ByteArrayInputStream(f2Data));
zf.close();
/*
* We should see the data in place.
*/
int f1DataStart = ZFileTestConstants.LOCAL_HEADER_SIZE + f1Name.length();
int f1DataEnd = f1DataStart + f1Data.length;
int f2DataStart = f1DataEnd + ZFileTestConstants.LOCAL_HEADER_SIZE + f2Name.length();
int f2DataEnd = f2DataStart + f2Data.length;
byte[] read1 = ApkZFileTestUtils.readSegment(out, f1DataStart, f1Data.length);
assertArrayEquals(f1Data, read1);
byte[] read2 = ApkZFileTestUtils.readSegment(out, f2DataStart, f2Data.length);
assertArrayEquals(f2Data, read2);
/*
* Read the signed zip.
*/
ZFile zf2 = new ZFile(out);
StoredEntry se1 = zf2.get(f1Name);
assertNotNull(se1);
assertArrayEquals(f1Data, se1.read());
StoredEntry se2 = zf2.get(f2Name);
assertNotNull(se2);
assertArrayEquals(f2Data, se2.read());
zf2.close();
}
}
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