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package android.taobao.atlas.startup.patch;
import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.os.Build;
import android.taobao.atlas.startup.AtlasBridgeApplication;
import android.taobao.atlas.startup.KernalVersionManager;
import android.taobao.atlas.startup.NClassLoader;
import android.text.TextUtils;
import android.util.Log;
import dalvik.system.DexFile;
import dalvik.system.PathClassLoader;
import java.io.*;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
/**
* Created by guanjie on 15/6/4.
*/
public class KernalBundle{
/**
* the storage location.
*/
final File bundleDir;
/**
* the bundle archive file.
*/
KernalBundleArchive archive;
private Class FrameworkPropertiesClazz ;
public static String KERNAL_BUNDLE_NAME = "com.taobao.maindex";
public static KernalBundle kernalBundle = null;
public static boolean checkloadKernalBundle(Application application,String containerVersion,String currentProcessName) {
File storageDir = new File(KernalConstants.baseContext.getFilesDir(),"storage");
final File kernalDir = new File(storageDir, KERNAL_BUNDLE_NAME);
if (kernalDir.exists()) {
try {
kernalBundle = new KernalBundle(kernalDir,currentProcessName,containerVersion);
kernalBundle.patchKernalDex();
kernalBundle.replacePathClassLoaderIfNeed(application);
kernalBundle.patchKernalResource(application);
return true;
} catch (Exception e) {
e.printStackTrace();
kernalBundle = null;
deleteDirectory(kernalDir);
return false;
}
}
return false;
}
public static boolean hasKernalPatch(){
return KernalVersionManager.instance().isChanged("com.taobao.maindex");
}
public static void clear(){
File storageDir = new File(KernalConstants.baseContext.getFilesDir(),"storage");
final File kernalDir = new File(storageDir, KERNAL_BUNDLE_NAME);
if(kernalDir.exists()){
deleteDirectory(kernalDir);
}
}
public static boolean downgradeRevision(File bundleDir,boolean forceDelete) throws IOException {
return KernalBundleArchive.downgradeRevision(bundleDir,forceDelete);
}
public KernalBundle(final File bundleDir,
final File file,String containerVersion,long dexPatchVersion) throws Exception {
this.bundleDir = bundleDir;
try {
archive = new KernalBundleArchive(bundleDir, file,containerVersion,dexPatchVersion);
} catch (IOException e) {
e.printStackTrace();
if (bundleDir.exists()) {
deleteDirectory(bundleDir);
}
throw new IOException("install kernal Bundlele fail ", e);
}
}
public KernalBundle(final File bundleDir,String process,String installedVersion) throws Exception {
KernalFileLock.getInstance().LockExclusive(bundleDir);
this.bundleDir = bundleDir;
File metaFile = new File(bundleDir, "meta");
String metaRevision = "";
try {
if(KernalVersionManager.instance().DEXPATCH_VERSION>0 && KernalVersionManager.instance().isDexPatched("com.taobao.maindex")){
archive = new KernalBundleArchive(KernalConstants.baseContext,bundleDir,"",process,installedVersion,KernalVersionManager.instance().DEXPATCH_VERSION);
}else {
if (shouldSyncUpdateInThisProcess(process)) {
archive = new KernalBundleArchive(KernalConstants.baseContext,bundleDir, "",process, installedVersion,-1);
File revisionDir = archive.getRevisionDir();
if (!metaFile.exists()) {
int retry = 3;
do {
metaFile.createNewFile();
if (metaFile.exists()) {
break;
} else {
retry--;
}
} while (!metaFile.exists() && retry > 3);
} else {
DataInputStream in = new DataInputStream(new FileInputStream(metaFile));
metaRevision = in.readUTF();
quietClose(in);
}
if (!metaRevision.equals(revisionDir.getAbsolutePath())) {
FileOutputStream fos = new FileOutputStream(metaFile);
DataOutputStream out = new DataOutputStream(fos);
out.writeUTF(revisionDir.getAbsolutePath());
out.flush();
fos.getFD().sync(); //this may be time-consuming
quietClose(out);
}
} else {
if (metaFile.exists()) {
DataInputStream in = new DataInputStream(new FileInputStream(metaFile));
metaRevision = in.readUTF();
quietClose(in);
if (metaRevision != null && new File(metaRevision).exists()) {
archive = new KernalBundleArchive(KernalConstants.baseContext,bundleDir, metaRevision, process,installedVersion,-1);
} else {
throw new IOException("can not find valid revision");
}
} else {
throw new IOException("can not find kernal meta");
}
}
}
} catch (IOException e) {
e.printStackTrace();
throw new IOException("resolve kernal Bundlele fail ", e);
}finally {
KernalFileLock.getInstance().unLock(bundleDir);
}
}
public void patchKernalDex() throws Exception {
DexFile[] dexFile = archive.getOdexFile();
if ((dexFile != null&&dexFile.length>0) || archive.getLibraryDirectory().exists()) {
installKernalBundle(KernalConstants.baseContext.getClassLoader(),archive);
FrameworkPropertiesClazz = archive.getOdexFile()[dexFile.length-1].loadClass("android.taobao.atlas.framework.FrameworkProperties",ClassLoader.getSystemClassLoader());
if(FrameworkPropertiesClazz==null && isDeubgMode()){
Log.e("KernalBundle","main dex is not match, library awo test?");
return;
}
Field versionField = FrameworkPropertiesClazz.getDeclaredField("version");
versionField.setAccessible(true);
String version = (String)versionField.get(FrameworkPropertiesClazz.newInstance());
if(!KernalVersionManager.instance().CURRENT_VERSIONAME.equals(version)){
if(isDeubgMode()){
Log.e("KernalBundle","main dex is not match, awo test?");
}else {
throw new RuntimeException("maindex version is not mismatch");
}
}
}
}
public void replacePathClassLoaderIfNeed(Application application){
ClassLoader originalClassLoader = null;
if(Build.VERSION.SDK_INT>=24) {
originalClassLoader = application.getClassLoader();
ClassLoader loader = getClass().getClassLoader();
boolean needReplace = false;
do{
if(loader.getClass().getName().equals(PathClassLoader.class.getName())){
needReplace = true;
break;
}
}
while((loader=loader.getParent())!=null);
if(needReplace){
try {
NClassLoader.replacePathClassLoader(KernalConstants.baseContext,KernalBundle.class.getClassLoader());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
try {
Class RuntimeVariablesClass = application.getClassLoader().loadClass("android.taobao.atlas.runtime.RuntimeVariables");
if(originalClassLoader!=null) {
RuntimeVariablesClass.getDeclaredField("sRawClassLoader").set(RuntimeVariablesClass, originalClassLoader);
}
if(FrameworkPropertiesClazz!=null){
RuntimeVariablesClass.getDeclaredField("FrameworkPropertiesClazz").set(RuntimeVariablesClass, FrameworkPropertiesClazz);
}else if(!isDeubgMode()){
throw new RuntimeException("FrameworkPropertiesClazz find error,will be rollback!");
}
RuntimeVariablesClass.getDeclaredField("androidApplication").set(RuntimeVariablesClass,application);
RuntimeVariablesClass.getDeclaredField("delegateResources").set(RuntimeVariablesClass,KernalConstants.baseContext.getResources());
} catch (Throwable e) {
e.printStackTrace();
}
}
public void patchKernalResource(Application application) throws Exception{
if(archive.hasResources()){
Class DelegateResourcesClazz = application.getClassLoader().loadClass("android.taobao.atlas.runtime.DelegateResources");
DelegateResourcesClazz.getDeclaredMethod("addApkpatchResources", String.class)
.invoke(DelegateResourcesClazz, archive.getArchiveFile().getAbsolutePath());
}
}
public int getState() {
return 0;
}
public void update(File file,String version,long dexPatchVersion) throws IOException {
try {
archive.newRevision(file,version,dexPatchVersion);
} catch (Exception e) {
throw new IOException("Could not update bundle " + toString(), e);
}
}
private static boolean isDebug(Context context){
try {
final ApplicationInfo app_info = context.getApplicationInfo();
boolean debug = (app_info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
return debug;
}catch (Throwable throwable){
return false;
}
}
/**
* 安装so库
*/
private static void extract(String zipPath,String entryPath,File targetPath){
ZipFile zip = null;
try {
zip = new ZipFile(new File(zipPath));
ZipEntry entry = zip.getEntry(entryPath);
BufferedOutputStream bos = new BufferedOutputStream(
new FileOutputStream(targetPath));
BufferedInputStream bi = new BufferedInputStream(zip.getInputStream(entry));
byte[] readContent = new byte[600];
int readCount = bi.read(readContent);
while (readCount != -1) {
bos.write(readContent, 0,readCount);
readCount =bi.read(readContent);
}
bos.close();
}catch(final Exception e){
e.printStackTrace();
}finally{
try{
if(zip!=null){
zip.close();
}
}catch(Throwable e){}
}
}
/**
* Locates a given field anywhere in the class inheritance hierarchy.
*
* @param instance an object to search the field into.
* @param name field name
* @return a field object
* @throws NoSuchFieldException if the field cannot be located
*/
private static Field findField(Object instance, String name) throws NoSuchFieldException {
for (Class<?> clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) {
try {
Field field = clazz.getDeclaredField(name);
if (!field.isAccessible()) {
field.setAccessible(true);
}
return field;
} catch (NoSuchFieldException e) {
// ignore and search next
}
}
throw new NoSuchFieldException("Field " + name + " not found in " + instance.getClass());
}
/**
* Replace the value of a field containing a non null array, by a new array containing the
* elements of the original array plus the elements of extraElements.
*
* @param instance the instance whose field is to be modified.
* @param fieldName the field to modify.
* @param extraElement element to append at the end of the array.
*/
private static void expandFieldArray(Object instance, String fieldName,
Object[] extraElement) throws NoSuchFieldException, IllegalArgumentException,
IllegalAccessException {
Field jlrField = findField(instance, fieldName);
Object[] original = (Object[]) jlrField.get(instance);
Object[] combined = (Object[]) Array.newInstance(
original.getClass().getComponentType(), original.length + extraElement.length);
for (int i = 0; i<extraElement.length; i++) {
combined[i] = extraElement[i];
}
System.arraycopy(original, 0, combined, extraElement.length, original.length);
jlrField.set(instance, combined);
}
private static void expandFieldList(Object instance, String fieldName,
Object extraElement) throws NoSuchFieldException, IllegalArgumentException,
IllegalAccessException {
Field jlrField = findField(instance, fieldName);
List original = (List) jlrField.get(instance);
original.add(0,extraElement);
}
private static boolean replaceElement(Object instance,String fieldName,Object replaceElement) throws NoSuchFieldException,IllegalArgumentException,
IllegalAccessException{
boolean replaceSuccess = false;
Field jlrField = findField(instance, fieldName);
Object[] original = (Object[]) jlrField.get(instance);
for(int x=0; x<original.length; x++){
Object element = original[x];
File apkFile = findDexRawFile(element);
if(apkFile!=null){
if(apkFile.getAbsolutePath()!=null && apkFile.getAbsolutePath().contains(KernalConstants.baseContext.getPackageName())){
original[x] = replaceElement;
replaceSuccess = true;
break;
}
}
}
return replaceSuccess;
}
private static File findDexRawFile(Object element){
Field field = null;
File dexRawFile = null;
if(Build.VERSION.SDK_INT>=25) {
try {
field = element.getClass().getDeclaredField("path");
field.setAccessible(true);
dexRawFile = (File)field.get(element);
return dexRawFile;
}catch(Throwable e){}
}
try {
field = element.getClass().getDeclaredField("file");
field.setAccessible(true);
dexRawFile = (File)field.get(element);
}catch(Throwable e){}
if(field==null){
try {
field = element.getClass().getDeclaredField("zip");
field.setAccessible(true);
dexRawFile = (File)field.get(element);
}catch(Throwable e){}
}
return dexRawFile;
}
public static boolean installKernalBundle(ClassLoader updateClassLoader, KernalBundleArchive archive) throws IOException, NoSuchFieldException, IllegalAccessException {
Object[] element = null;
boolean success = false;
try {
ClassLoader loader = updateClassLoader;
Field pathListField = findField(loader, "pathList");
Object dexPathList = pathListField.get(loader);
if (archive.getOdexFile() != null) {
element = makeDexElement(archive.getArchiveFile(), archive.getOdexFile());
if (element == null||element.length == 0) {
throw new IOException("makeDexElement failed");
}
//增加kernal bundle
if (Build.VERSION.SDK_INT > 20) {
success = replaceElement(dexPathList, "dexElements", element[0]);
if(!success){
throw new IOException("replaceElement failed");
}
} else {
expandFieldArray(dexPathList, "dexElements", element);
}
}
//增加kernal bundle library
File libraryDirectory = archive.getLibraryDirectory();
if (!TextUtils.isEmpty(libraryDirectory.getAbsolutePath()) && libraryDirectory.exists()) {
if(Build.VERSION.SDK_INT<23){
expandFieldArray(dexPathList, "nativeLibraryDirectories", new Object[]{libraryDirectory});
}else{
expandFieldList(dexPathList, "nativeLibraryDirectories", libraryDirectory);
}
if(Build.VERSION.SDK_INT>=23){
Object nativeLibraryElement = makeNativeLibraryElement(libraryDirectory);
expandFieldArray(dexPathList, "nativeLibraryPathElements", new Object[]{nativeLibraryElement});
}
}
return true;
} catch (Exception e) {
throw new IOException("install kernal fail", e);
}
}
private void quietClose(Closeable closeable){
try{
if(closeable!=null){
closeable.close();
}
}catch (Throwable e){
}
}
static Class[] constructorArgs3 = {File.class, ZipFile.class, DexFile.class};
static Class[] constructorArgs2 = {File.class, File.class, DexFile.class};
static Class[] constructorArgs1 = {File.class, boolean.class, File.class, DexFile.class};
public static Object[] makeDexElement(File file,DexFile[] dex) throws Exception{
Object []objects = new Object[dex.length];
for (int i = 0; i < dex.length; i ++) {
try {
Class Element = Class.forName("dalvik.system.DexPathList$Element");
Constructor cons = getElementConstructor(Element, constructorArgs1);
if (cons != null) {
objects[i] = cons.newInstance(null, false, new File(KernalConstants.baseContext.getApplicationInfo().sourceDir), dex[i]);
} else {
cons = getElementConstructor(Element, constructorArgs2);
if (cons != null) {
objects[i] = cons.newInstance(null, null, dex[i]);
} else {
cons = getElementConstructor(Element, constructorArgs3);
if (cons != null) {
objects[i] = cons.newInstance(null, null, dex[i]);
}
}
}
} catch (Exception e) {
throw new RuntimeException("make DexElement fail", e);
}
}
return objects;
}
// for api level >=23
public static Object makeNativeLibraryElement(File dir) throws IOException{
try{
Class Element = Class.forName("dalvik.system.DexPathList$Element");
Constructor cons = getElementConstructor(Element,constructorArgs1);
if(cons!=null){
return cons.newInstance(dir,true, null,null);
}else{
throw new IOException("make nativeElement fail | error constructor");
}
}catch(Exception e){
throw new IOException("make nativeElement fail",e);
}
}
private static Constructor getElementConstructor(Class element,Class... args){
try{
return element.getDeclaredConstructor(args);
}catch(Throwable e){
Log.w("KernalBundleImpl","can not create element by args" + args);
}
return null;
}
public KernalBundleArchive getArchive() {
return archive;
}
public File getRevisionDir(){
return getArchive().getRevisionDir();
}
public File getRevisionZip(){
return getArchive().getArchiveFile();
}
public static boolean shouldSyncUpdateInThisProcess(String process){
String processName = process;
if(processName!=null &&
(processName.equals(KernalConstants.baseContext.getPackageName()) ||
processName.toLowerCase().contains(":safemode")
)){
return true;
}else{
return false;
}
}
public static void deleteDirectory(final File path) {
final File[] files = path.listFiles();
if (files == null){
return;
}
for (int i = 0; i < files.length; i++) {
if (files[i].isDirectory()) {
deleteDirectory(files[i]);
} else {
files[i].delete();
}
}
path.delete();
}
public boolean isDeubgMode() {
try {
/**
* enable patch debug if in debug mode
*/
final ApplicationInfo app_info = KernalConstants.baseContext.getApplicationInfo();
boolean DEBUG = (app_info.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
if (DEBUG) {
return true;
}
SharedPreferences sharedPreferences = KernalConstants.baseContext.getSharedPreferences("dynamic_test",Context.MODE_PRIVATE);
boolean dynamic_test_flag = sharedPreferences.getBoolean("dynamic_test_key",false);
if(dynamic_test_flag){
return true;
}
} catch (final Exception e) {
return false;
}
return false;
}
// public static void installExternalDexs(Context context){
// String externalDexDir = context.getFilesDir()+File.separator+"external_dexs";
// File dexDir = new File(externalDexDir);
// if(dexDir.exists()) {
// File[] dexFiles = dexDir.listFiles(new FilenameFilter() {
// @Override
// public boolean accept(File dir, String filename) {
// if (filename.endsWith(".dex")) {
// return true;
// } else {
// return false;
// }
// }
// });
// if(dexFiles!=null && dexFiles.length>0){
// File odex ;
// Object[] element = null;
// DexFile[]dexFiles1 = new DexFile[dexFiles.length];
// for(int x=0;x<dexFiles.length;x++){
// odex = new File(dexFiles[x].getAbsolutePath()+".odex");
// try {
// DexFile dexFile = DexFile.loadDex(dexFiles[x].getAbsolutePath(), odex.getAbsolutePath(), 0);
// dexFiles1[x] = dexFile;
// } catch (Throwable e) {
// e.printStackTrace();
// }
// try {
// element = makeDexElement(null, dexFiles1);
// if (element != null && element.length > 0) {
// ClassLoader loader = KernalBundle.class.getClassLoader();
// Field pathListField = findField(loader, "pathList");
// Object dexPathList = pathListField.get(loader);
// expandFieldArray(dexPathList, "dexElements", element);
// }
// } catch (IOException e) {
// e.printStackTrace();
// } catch (IllegalAccessException e) {
// e.printStackTrace();
// } catch (NoSuchFieldException e) {
// e.printStackTrace();
// }
//
// }
// }
// }
// }
}