Rabbit-R1/android (non root)/java/sources/androidx/multidex/MultiDexExtractor.java
2024-05-21 17:08:36 -04:00

295 lines
13 KiB
Java

package androidx.multidex;
import android.content.Context;
import android.content.SharedPreferences;
import android.util.Log;
import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileFilter;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
/* loaded from: classes2.dex */
final class MultiDexExtractor implements Closeable {
private static final int BUFFER_SIZE = 16384;
private static final String DEX_PREFIX = "classes";
static final String DEX_SUFFIX = ".dex";
private static final String EXTRACTED_NAME_EXT = ".classes";
static final String EXTRACTED_SUFFIX = ".zip";
private static final String KEY_CRC = "crc";
private static final String KEY_DEX_CRC = "dex.crc.";
private static final String KEY_DEX_NUMBER = "dex.number";
private static final String KEY_DEX_TIME = "dex.time.";
private static final String KEY_TIME_STAMP = "timestamp";
private static final String LOCK_FILENAME = "MultiDex.lock";
private static final int MAX_EXTRACT_ATTEMPTS = 3;
private static final long NO_VALUE = -1;
private static final String PREFS_FILE = "multidex.version";
private static final String TAG = "MultiDex";
private final FileLock cacheLock;
private final File dexDir;
private final FileChannel lockChannel;
private final RandomAccessFile lockRaf;
private final File sourceApk;
private final long sourceCrc;
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes2.dex */
public static class ExtractedDex extends File {
public long crc;
public ExtractedDex(File file, String str) {
super(file, str);
this.crc = -1L;
}
}
/* JADX INFO: Access modifiers changed from: package-private */
public MultiDexExtractor(File file, File file2) throws IOException {
Log.i(TAG, "MultiDexExtractor(" + file.getPath() + ", " + file2.getPath() + ")");
this.sourceApk = file;
this.dexDir = file2;
this.sourceCrc = getZipCrc(file);
File file3 = new File(file2, LOCK_FILENAME);
RandomAccessFile randomAccessFile = new RandomAccessFile(file3, "rw");
this.lockRaf = randomAccessFile;
try {
FileChannel channel = randomAccessFile.getChannel();
this.lockChannel = channel;
try {
Log.i(TAG, "Blocking on lock " + file3.getPath());
this.cacheLock = channel.lock();
Log.i(TAG, file3.getPath() + " locked");
} catch (IOException | Error | RuntimeException e) {
closeQuietly(this.lockChannel);
throw e;
}
} catch (IOException | Error | RuntimeException e2) {
closeQuietly(this.lockRaf);
throw e2;
}
}
/* JADX INFO: Access modifiers changed from: package-private */
public List<? extends File> load(Context context, String str, boolean z) throws IOException {
List<ExtractedDex> performExtractions;
List<ExtractedDex> list;
Log.i(TAG, "MultiDexExtractor.load(" + this.sourceApk.getPath() + ", " + z + ", " + str + ")");
if (!this.cacheLock.isValid()) {
throw new IllegalStateException("MultiDexExtractor was closed");
}
if (!z && !isModified(context, this.sourceApk, this.sourceCrc, str)) {
try {
list = loadExistingExtractions(context, str);
} catch (IOException e) {
Log.w(TAG, "Failed to reload existing extracted secondary dex files, falling back to fresh extraction", e);
performExtractions = this.performExtractions();
putStoredApkInfo(context, str, getTimeStamp(this.sourceApk), this.sourceCrc, performExtractions);
}
Log.i(TAG, "load found " + list.size() + " secondary dex files");
return list;
}
if (z) {
Log.i(TAG, "Forced extraction must be performed.");
} else {
Log.i(TAG, "Detected that extraction must be performed.");
}
performExtractions = performExtractions();
putStoredApkInfo(context, str, getTimeStamp(this.sourceApk), this.sourceCrc, performExtractions);
list = performExtractions;
Log.i(TAG, "load found " + list.size() + " secondary dex files");
return list;
}
@Override // java.io.Closeable, java.lang.AutoCloseable
public void close() throws IOException {
this.cacheLock.release();
this.lockChannel.close();
this.lockRaf.close();
}
private List<ExtractedDex> loadExistingExtractions(Context context, String str) throws IOException {
Log.i(TAG, "loading existing secondary dex files");
String str2 = this.sourceApk.getName() + EXTRACTED_NAME_EXT;
SharedPreferences multiDexPreferences = getMultiDexPreferences(context);
int i = multiDexPreferences.getInt(str + KEY_DEX_NUMBER, 1);
ArrayList arrayList = new ArrayList(i - 1);
int i2 = 2;
while (i2 <= i) {
ExtractedDex extractedDex = new ExtractedDex(this.dexDir, str2 + i2 + EXTRACTED_SUFFIX);
if (extractedDex.isFile()) {
extractedDex.crc = getZipCrc(extractedDex);
long j = multiDexPreferences.getLong(str + KEY_DEX_CRC + i2, -1L);
long j2 = multiDexPreferences.getLong(str + KEY_DEX_TIME + i2, -1L);
long lastModified = extractedDex.lastModified();
if (j2 == lastModified) {
String str3 = str2;
SharedPreferences sharedPreferences = multiDexPreferences;
if (j == extractedDex.crc) {
arrayList.add(extractedDex);
i2++;
multiDexPreferences = sharedPreferences;
str2 = str3;
}
}
throw new IOException("Invalid extracted dex: " + extractedDex + " (key \"" + str + "\"), expected modification time: " + j2 + ", modification time: " + lastModified + ", expected crc: " + j + ", file crc: " + extractedDex.crc);
}
throw new IOException("Missing extracted secondary dex file '" + extractedDex.getPath() + "'");
}
return arrayList;
}
private static boolean isModified(Context context, File file, long j, String str) {
SharedPreferences multiDexPreferences = getMultiDexPreferences(context);
return (multiDexPreferences.getLong(new StringBuilder().append(str).append("timestamp").toString(), -1L) == getTimeStamp(file) && multiDexPreferences.getLong(new StringBuilder().append(str).append(KEY_CRC).toString(), -1L) == j) ? false : true;
}
private static long getTimeStamp(File file) {
long lastModified = file.lastModified();
return lastModified == -1 ? lastModified - 1 : lastModified;
}
private static long getZipCrc(File file) throws IOException {
long zipCrc = ZipUtil.getZipCrc(file);
return zipCrc == -1 ? zipCrc - 1 : zipCrc;
}
private List<ExtractedDex> performExtractions() throws IOException {
String str = this.sourceApk.getName() + EXTRACTED_NAME_EXT;
clearDexDir();
ArrayList arrayList = new ArrayList();
ZipFile zipFile = new ZipFile(this.sourceApk);
try {
ZipEntry entry = zipFile.getEntry("classes2.dex");
int i = 2;
while (entry != null) {
ExtractedDex extractedDex = new ExtractedDex(this.dexDir, str + i + EXTRACTED_SUFFIX);
arrayList.add(extractedDex);
Log.i(TAG, "Extraction is needed for file " + extractedDex);
int i2 = 0;
boolean z = false;
while (i2 < 3 && !z) {
i2++;
extract(zipFile, entry, extractedDex, str);
try {
extractedDex.crc = getZipCrc(extractedDex);
z = true;
} catch (IOException e) {
Log.w(TAG, "Failed to read crc from " + extractedDex.getAbsolutePath(), e);
z = false;
}
Log.i(TAG, "Extraction " + (z ? "succeeded" : "failed") + " '" + extractedDex.getAbsolutePath() + "': length " + extractedDex.length() + " - crc: " + extractedDex.crc);
if (!z) {
extractedDex.delete();
if (extractedDex.exists()) {
Log.w(TAG, "Failed to delete corrupted secondary dex '" + extractedDex.getPath() + "'");
}
}
}
if (!z) {
throw new IOException("Could not create zip file " + extractedDex.getAbsolutePath() + " for secondary dex (" + i + ")");
}
i++;
entry = zipFile.getEntry(DEX_PREFIX + i + DEX_SUFFIX);
}
return arrayList;
} finally {
try {
zipFile.close();
} catch (IOException e2) {
Log.w(TAG, "Failed to close resource", e2);
}
}
}
private static void putStoredApkInfo(Context context, String str, long j, long j2, List<ExtractedDex> list) {
SharedPreferences.Editor edit = getMultiDexPreferences(context).edit();
edit.putLong(str + "timestamp", j);
edit.putLong(str + KEY_CRC, j2);
edit.putInt(str + KEY_DEX_NUMBER, list.size() + 1);
int i = 2;
for (ExtractedDex extractedDex : list) {
edit.putLong(str + KEY_DEX_CRC + i, extractedDex.crc);
edit.putLong(str + KEY_DEX_TIME + i, extractedDex.lastModified());
i++;
}
edit.commit();
}
private static SharedPreferences getMultiDexPreferences(Context context) {
return context.getSharedPreferences(PREFS_FILE, 4);
}
private void clearDexDir() {
File[] listFiles = this.dexDir.listFiles(new FileFilter() { // from class: androidx.multidex.MultiDexExtractor.1
@Override // java.io.FileFilter
public boolean accept(File file) {
return !file.getName().equals(MultiDexExtractor.LOCK_FILENAME);
}
});
if (listFiles == null) {
Log.w(TAG, "Failed to list secondary dex dir content (" + this.dexDir.getPath() + ").");
return;
}
for (File file : listFiles) {
Log.i(TAG, "Trying to delete old file " + file.getPath() + " of size " + file.length());
if (!file.delete()) {
Log.w(TAG, "Failed to delete old file " + file.getPath());
} else {
Log.i(TAG, "Deleted old file " + file.getPath());
}
}
}
private static void extract(ZipFile zipFile, ZipEntry zipEntry, File file, String str) throws IOException, FileNotFoundException {
InputStream inputStream = zipFile.getInputStream(zipEntry);
File createTempFile = File.createTempFile("tmp-" + str, EXTRACTED_SUFFIX, file.getParentFile());
Log.i(TAG, "Extracting " + createTempFile.getPath());
try {
ZipOutputStream zipOutputStream = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(createTempFile)));
try {
ZipEntry zipEntry2 = new ZipEntry("classes.dex");
zipEntry2.setTime(zipEntry.getTime());
zipOutputStream.putNextEntry(zipEntry2);
byte[] bArr = new byte[16384];
for (int read = inputStream.read(bArr); read != -1; read = inputStream.read(bArr)) {
zipOutputStream.write(bArr, 0, read);
}
zipOutputStream.closeEntry();
zipOutputStream.close();
if (!createTempFile.setReadOnly()) {
throw new IOException("Failed to mark readonly \"" + createTempFile.getAbsolutePath() + "\" (tmp of \"" + file.getAbsolutePath() + "\")");
}
Log.i(TAG, "Renaming to " + file.getPath());
if (!createTempFile.renameTo(file)) {
throw new IOException("Failed to rename \"" + createTempFile.getAbsolutePath() + "\" to \"" + file.getAbsolutePath() + "\"");
}
} catch (Throwable th) {
zipOutputStream.close();
throw th;
}
} finally {
closeQuietly(inputStream);
createTempFile.delete();
}
}
private static void closeQuietly(Closeable closeable) {
try {
closeable.close();
} catch (IOException e) {
Log.w(TAG, "Failed to close resource", e);
}
}
}