/*
* Tencent is pleased to support the open source community by making Tinker available.
*
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.tinker.loader;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.SystemClock;
import android.util.Log;
import com.tencent.tinker.loader.app.TinkerApplication;
import com.tencent.tinker.loader.shareutil.ShareConstants;
import com.tencent.tinker.loader.shareutil.ShareIntentUtil;
import com.tencent.tinker.loader.shareutil.SharePatchFileUtil;
import com.tencent.tinker.loader.shareutil.SharePatchInfo;
import com.tencent.tinker.loader.shareutil.ShareSecurityCheck;
import com.tencent.tinker.loader.shareutil.ShareTinkerInternals;
import java.io.File;
/**
* Created by zhangshaowen on 16/3/10.
* Warning, it is special for loader classes, they can't change through tinker patch.
* thus, it's reference class must put in the tinkerPatch.dex.loader{} and the android main dex pattern through gradle
*/
public class TinkerLoader extends AbstractTinkerLoader {
private static final String TAG = "Tinker.TinkerLoader";
/**
* the patch info file
*/
private SharePatchInfo patchInfo;
/**
* only main process can handle patch version change or incomplete
*/
@Override
public Intent tryLoad(TinkerApplication app) {
Intent resultIntent = new Intent();
long begin = SystemClock.elapsedRealtime();
tryLoadPatchFilesInternal(app, resultIntent);
long cost = SystemClock.elapsedRealtime() - begin;
ShareIntentUtil.setIntentPatchCostTime(resultIntent, cost);
return resultIntent;
}
private void tryLoadPatchFilesInternal(TinkerApplication app, Intent resultIntent) {
final int tinkerFlag = app.getTinkerFlags();
if (!ShareTinkerInternals.isTinkerEnabled(tinkerFlag)) {
Log.w(TAG, "tryLoadPatchFiles: tinker is disable, just return");
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_DISABLE);
return;
}
if (ShareTinkerInternals.isInPatchProcess(app)) {
Log.w(TAG, "tryLoadPatchFiles: we don't load patch with :patch process itself, just return");
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_DISABLE);
return;
}
//tinker
File patchDirectoryFile = SharePatchFileUtil.getPatchDirectory(app);
if (patchDirectoryFile == null) {
Log.w(TAG, "tryLoadPatchFiles:getPatchDirectory == null");
//treat as not exist
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_DIRECTORY_NOT_EXIST);
return;
}
String patchDirectoryPath = patchDirectoryFile.getAbsolutePath();
//check patch directory whether exist
if (!patchDirectoryFile.exists()) {
Log.w(TAG, "tryLoadPatchFiles:patch dir not exist:" + patchDirectoryPath);
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_DIRECTORY_NOT_EXIST);
return;
}
//tinker/patch.info
File patchInfoFile = SharePatchFileUtil.getPatchInfoFile(patchDirectoryPath);
//check patch info file whether exist
if (!patchInfoFile.exists()) {
Log.w(TAG, "tryLoadPatchFiles:patch info not exist:" + patchInfoFile.getAbsolutePath());
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_INFO_NOT_EXIST);
return;
}
//old = 641e634c5b8f1649c75caf73794acbdf
//new = 2c150d8560334966952678930ba67fa8
File patchInfoLockFile = SharePatchFileUtil.getPatchInfoLockFile(patchDirectoryPath);
patchInfo = SharePatchInfo.readAndCheckPropertyWithLock(patchInfoFile, patchInfoLockFile);
if (patchInfo == null) {
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_INFO_CORRUPTED);
return;
}
String oldVersion = patchInfo.oldVersion;
String newVersion = patchInfo.newVersion;
String oatDex = patchInfo.oatDir;
if (oldVersion == null || newVersion == null || oatDex == null) {
//it is nice to clean patch
Log.w(TAG, "tryLoadPatchFiles:onPatchInfoCorrupted");
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_INFO_CORRUPTED);
return;
}
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_OLD_VERSION, oldVersion);
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_NEW_VERSION, newVersion);
boolean mainProcess = ShareTinkerInternals.isInMainProcess(app);
boolean versionChanged = !(oldVersion.equals(newVersion));
boolean oatModeChanged = oatDex.equals(ShareConstants.CHANING_DEX_OPTIMIZE_PATH) && mainProcess;
oatDex = ShareTinkerInternals.getCurrentOatMode(app, oatDex);
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_OAT_DIR, oatDex);
String version = oldVersion;
if (versionChanged && mainProcess) {
version = newVersion;
}
if (ShareTinkerInternals.isNullOrNil(version)) {
Log.w(TAG, "tryLoadPatchFiles:version is blank, wait main process to restart");
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_INFO_BLANK);
return;
}
//patch-641e634c
String patchName = SharePatchFileUtil.getPatchVersionDirectory(version);
if (patchName == null) {
Log.w(TAG, "tryLoadPatchFiles:patchName is null");
//we may delete patch info file
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_VERSION_DIRECTORY_NOT_EXIST);
return;
}
//tinker/patch.info/patch-641e634c
String patchVersionDirectory = patchDirectoryPath + "/" + patchName;
File patchVersionDirectoryFile = new File(patchVersionDirectory);
if (!patchVersionDirectoryFile.exists()) {
Log.w(TAG, "tryLoadPatchFiles:onPatchVersionDirectoryNotFound");
//we may delete patch info file
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_VERSION_DIRECTORY_NOT_EXIST);
return;
}
//tinker/patch.info/patch-641e634c/patch-641e634c.apk
File patchVersionFile = new File(patchVersionDirectoryFile.getAbsolutePath(), SharePatchFileUtil.getPatchVersionFile(version));
if (!SharePatchFileUtil.isLegalFile(patchVersionFile)) {
Log.w(TAG, "tryLoadPatchFiles:onPatchVersionFileNotFound");
//we may delete patch info file
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_VERSION_FILE_NOT_EXIST);
return;
}
ShareSecurityCheck securityCheck = new ShareSecurityCheck(app);
int returnCode = ShareTinkerInternals.checkTinkerPackage(app, tinkerFlag, patchVersionFile, securityCheck);
if (returnCode != ShareConstants.ERROR_PACKAGE_CHECK_OK) {
Log.w(TAG, "tryLoadPatchFiles:checkTinkerPackage");
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_PACKAGE_PATCH_CHECK, returnCode);
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_PACKAGE_CHECK_FAIL);
return;
}
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_PACKAGE_CONFIG, securityCheck.getPackagePropertiesIfPresent());
final boolean isEnabledForDex = ShareTinkerInternals.isTinkerEnabledForDex(tinkerFlag);
if (isEnabledForDex) {
//tinker/patch.info/patch-641e634c/dex
boolean dexCheck = TinkerDexLoader.checkComplete(patchVersionDirectory, securityCheck, oatDex, resultIntent);
if (!dexCheck) {
//file not found, do not load patch
Log.w(TAG, "tryLoadPatchFiles:dex check fail");
return;
}
}
final boolean isEnabledForNativeLib = ShareTinkerInternals.isTinkerEnabledForNativeLib(tinkerFlag);
if (isEnabledForNativeLib) {
//tinker/patch.info/patch-641e634c/lib
boolean libCheck = TinkerSoLoader.checkComplete(patchVersionDirectory, securityCheck, resultIntent);
if (!libCheck) {
//file not found, do not load patch
Log.w(TAG, "tryLoadPatchFiles:native lib check fail");
return;
}
}
//check resource
final boolean isEnabledForResource = ShareTinkerInternals.isTinkerEnabledForResource(tinkerFlag);
Log.w(TAG, "tryLoadPatchFiles:isEnabledForResource:" + isEnabledForResource);
if (isEnabledForResource) {
boolean resourceCheck = TinkerResourceLoader.checkComplete(app, patchVersionDirectory, securityCheck, resultIntent);
if (!resourceCheck) {
//file not found, do not load patch
Log.w(TAG, "tryLoadPatchFiles:resource check fail");
return;
}
}
//only work for art platform oat，because of interpret, refuse 4.4 art oat
boolean isSystemOTA = ShareTinkerInternals.isVmArt()
&& ShareTinkerInternals.isSystemOTA(patchInfo.fingerPrint)
&& Build.VERSION.SDK_INT >= 21;
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_SYSTEM_OTA, isSystemOTA);
//we should first try rewrite patch info file, if there is a error, we can't load jar
if ((mainProcess && versionChanged)
|| oatModeChanged) {
patchInfo.oldVersion = version;
patchInfo.oatDir = oatDex;
//update old version to new
if (!SharePatchInfo.rewritePatchInfoFileWithLock(patchInfoFile, patchInfo, patchInfoLockFile)) {
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_REWRITE_PATCH_INFO_FAIL);
Log.w(TAG, "tryLoadPatchFiles:onReWritePatchInfoCorrupted");
return;
}
if (oatModeChanged) {
// delete interpret odex
Log.i(TAG, "tryLoadPatchFiles:oatModeChanged, try to delete interpret optimize files");
SharePatchFileUtil.deleteDir(patchVersionDirectory + "/" + ShareConstants.INTERPRET_DEX_OPTIMIZE_PATH);
}
}
if (!checkSafeModeCount(app)) {
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_EXCEPTION, new TinkerRuntimeException("checkSafeModeCount fail"));
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_UNCAUGHT_EXCEPTION);
Log.w(TAG, "tryLoadPatchFiles:checkSafeModeCount fail");
return;
}
//now we can load patch jar
if (isEnabledForDex) {
boolean loadTinkerJars = TinkerDexLoader.loadTinkerJars(app, patchVersionDirectory, oatDex, resultIntent, isSystemOTA);
if (isSystemOTA) {
// update fingerprint after load success
patchInfo.fingerPrint = Build.FINGERPRINT;
patchInfo.oatDir = loadTinkerJars ? ShareConstants.INTERPRET_DEX_OPTIMIZE_PATH : ShareConstants.DEFAULT_DEX_OPTIMIZE_PATH;
// reset to false
oatModeChanged = false;
if (!SharePatchInfo.rewritePatchInfoFileWithLock(patchInfoFile, patchInfo, patchInfoLockFile)) {
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_PATCH_REWRITE_PATCH_INFO_FAIL);
Log.w(TAG, "tryLoadPatchFiles:onReWritePatchInfoCorrupted");
return;
}
// update oat dir
resultIntent.putExtra(ShareIntentUtil.INTENT_PATCH_OAT_DIR, patchInfo.oatDir);
}
if (!loadTinkerJars) {
Log.w(TAG, "tryLoadPatchFiles:onPatchLoadDexesFail");
return;
}
}
//now we can load patch resource
if (isEnabledForResource) {
boolean loadTinkerResources = TinkerResourceLoader.loadTinkerResources(app, patchVersionDirectory, resultIntent);
if (!loadTinkerResources) {
Log.w(TAG, "tryLoadPatchFiles:onPatchLoadResourcesFail");
return;
}
}
// kill all other process if oat mode change
if (oatModeChanged) {
ShareTinkerInternals.killAllOtherProcess(app);
Log.i(TAG, "tryLoadPatchFiles:oatModeChanged, try to kill all other process");
}
//all is ok!
ShareIntentUtil.setIntentReturnCode(resultIntent, ShareConstants.ERROR_LOAD_OK);
Log.i(TAG, "tryLoadPatchFiles: load end, ok!");
return;
}
private boolean checkSafeModeCount(TinkerApplication application) {
String processName = ShareTinkerInternals.getProcessName(application);
String preferName = ShareConstants.TINKER_OWN_PREFERENCE_CONFIG + processName;
//each process have its own SharedPreferences file
SharedPreferences sp = application.getSharedPreferences(preferName, Context.MODE_PRIVATE);
int count = sp.getInt(ShareConstants.TINKER_SAFE_MODE_COUNT, 0) + 1;
Log.w(TAG, "tinker safe mode preferName:" + preferName + " count:" + count);
if (count >= ShareConstants.TINKER_SAFE_MODE_MAX_COUNT) {
sp.edit().putInt(ShareConstants.TINKER_SAFE_MODE_COUNT, 0).commit();
return false;
}
application.setUseSafeMode(true);
sp.edit().putInt(ShareConstants.TINKER_SAFE_MODE_COUNT, count).commit();
return true;
}
}