private static void callPluginApplicationOnCreate(PluginDescriptor pluginDescriptor) { Application application = null; if (pluginDescriptor.getPluginApplication() == null && pluginDescriptor.getPluginClassLoader() != null) { try { LogUtil.d("创建插件Application", pluginDescriptor.getApplicationName()); application = Instrumentation.newApplication( pluginDescriptor .getPluginClassLoader() .loadClass(pluginDescriptor.getApplicationName()), pluginDescriptor.getPluginContext()); pluginDescriptor.setPluginApplication(application); } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } // 安装ContentProvider PluginInjector.installContentProviders( sApplication, pluginDescriptor.getProviderInfos().values()); // 执行onCreate if (application != null) { application.onCreate(); } changeListener.onPluginStarted(pluginDescriptor.getPackageName()); }
/** * 初始化loader, 只可调用一次 * * @param app */ public static synchronized void initLoader(Application app, PluginManager manager) { if (!isLoaderInited) { LogUtil.d("插件框架初始化中..."); isLoaderInited = true; sApplication = app; PluginInjector.injectBaseContext(sApplication); Object activityThread = PluginInjector.getActivityThread(); PluginInjector.injectInstrumentation(activityThread); PluginInjector.injectHandlerCallback(activityThread); pluginManager = manager; changeListener = new PluginCallbackImpl(); pluginManager.loadInstalledPlugins(); changeListener.onPluginLoaderInited(); if (Build.VERSION.SDK_INT >= 14) { sApplication.registerActivityLifecycleCallbacks( new Application.ActivityLifecycleCallbacks() { @Override public void onActivityCreated(Activity activity, Bundle savedInstanceState) {} @Override public void onActivityStarted(Activity activity) {} @Override public void onActivityResumed(Activity activity) {} @Override public void onActivityPaused(Activity activity) {} @Override public void onActivityStopped(Activity activity) {} @Override public void onActivitySaveInstanceState(Activity activity, Bundle outState) {} @Override public void onActivityDestroyed(Activity activity) { PluginStubBinding.unBindLaunchModeStubActivity( activity.getClass().getName(), activity.getIntent()); } }); } LogUtil.d("插件框架初始化完成"); } }
/** * 初始化loader, 只可调用一次 * * @param app */ public static synchronized void initLoader(Application app, PluginManager manager) { if (!isLoaderInited) { LogUtil.d("插件框架初始化中..."); isLoaderInited = true; sApplication = app; PluginInjector.injectBaseContext(sApplication); Object activityThread = PluginInjector.getActivityThread(); PluginInjector.injectInstrumentation(activityThread); PluginInjector.injectHandlerCallback(activityThread); pluginManager = manager; changeListener = new PluginCallbackImpl(); pluginManager.loadInstalledPlugins(); changeListener.onPluginLoaderInited(); LogUtil.d("插件框架初始化完成"); } }
/** * 初始化loader, 只可调用一次 * * @param app */ public static synchronized void initLoader(Application app, PluginManager manager) { if (!isLoaderInited) { LogUtil.d("插件框架初始化中..."); isLoaderInited = true; sApplication = app; pluginManager = manager; changeListener = new PluginCallbackImpl(); AndroidAppIActivityManager.installProxy(); AndroidAppINotificationManager.installProxy(); AndroidAppIPackageManager.installProxy(sApplication.getPackageManager()); AndroidWidgetToast.installProxy(); // 不可在主进程中同步安装,因为此时ActivityThread还没有准备好, 会导致空指针。 new Handler() .postDelayed( new Runnable() { @Override public void run() { AndroidWebkitWebViewFactoryProvider.installProxy(); } }, 50); PluginInjector.injectInstrumentation(); PluginInjector.injectHandlerCallback(); PluginInjector.injectBaseContext(sApplication); pluginManager.loadInstalledPlugins(); Iterator<PluginDescriptor> itr = getPlugins().iterator(); while (itr.hasNext()) { PluginDescriptor plugin = itr.next(); LocalServiceManager.registerService(plugin); } changeListener.onPluginLoaderInited(); if (Build.VERSION.SDK_INT >= 14) { sApplication.registerActivityLifecycleCallbacks( new Application.ActivityLifecycleCallbacks() { @Override public void onActivityCreated(Activity activity, Bundle savedInstanceState) {} @Override public void onActivityStarted(Activity activity) {} @Override public void onActivityResumed(Activity activity) {} @Override public void onActivityPaused(Activity activity) {} @Override public void onActivityStopped(Activity activity) {} @Override public void onActivitySaveInstanceState(Activity activity, Bundle outState) {} @Override public void onActivityDestroyed(Activity activity) { PluginStubBinding.unBindLaunchModeStubActivity( activity.getClass().getName(), activity.getIntent()); } }); } LogUtil.d("插件框架初始化完成"); } }
public static synchronized void remove(String pluginId) { boolean isSuccess = pluginManager.remove(pluginId); if (isSuccess) { changeListener.onPluginRemoved(pluginId); } }
/** 清除列表并不能清除已经加载到内存当中的class,因为class一旦加载后后无法卸载 */ public static synchronized void removeAll() { boolean isSuccess = pluginManager.removeAll(); if (isSuccess) { changeListener.onPluginRemoveAll(); } }
/** * 安装一个插件 * * @param srcPluginFile * @return */ public static synchronized int installPlugin(String srcPluginFile) { LogUtil.e("开始安装插件", srcPluginFile); if (TextUtils.isEmpty(srcPluginFile) || !new File(srcPluginFile).exists()) { return SRC_FILE_NOT_FOUND; } // 第0步,先将apk复制到宿主程序私有目录,防止在安装过程中文件被篡改 if (!srcPluginFile.startsWith(sApplication.getCacheDir().getAbsolutePath())) { String tempFilePath = sApplication.getCacheDir().getAbsolutePath() + File.separator + System.currentTimeMillis() + ".apk"; if (FileUtil.copyFile(srcPluginFile, tempFilePath)) { srcPluginFile = tempFilePath; } else { LogUtil.e("复制插件文件失败", srcPluginFile, tempFilePath); return COPY_FILE_FAIL; } } // 第1步,验证插件APK签名,如果被篡改过,将获取不到证书 // sApplication.getPackageManager().getPackageArchiveInfo(srcPluginFile, // PackageManager.GET_SIGNATURES); Signature[] pluginSignatures = PackageVerifyer.collectCertificates(srcPluginFile, false); boolean isDebugable = (0 != (sApplication.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE)); if (pluginSignatures == null) { LogUtil.e("插件签名验证失败", srcPluginFile); new File(srcPluginFile).delete(); return SIGNATURES_INVALIDATE; } else if (NEED_VERIFY_CERT && !isDebugable) { // 可选步骤,验证插件APK证书是否和宿主程序证书相同。 // 证书中存放的是公钥和算法信息,而公钥和私钥是1对1的 // 公钥相同意味着是同一个作者发布的程序 Signature[] mainSignatures = null; try { PackageInfo pkgInfo = sApplication .getPackageManager() .getPackageInfo(sApplication.getPackageName(), PackageManager.GET_SIGNATURES); mainSignatures = pkgInfo.signatures; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } if (!PackageVerifyer.isSignaturesSame(mainSignatures, pluginSignatures)) { LogUtil.e("插件证书和宿主证书不一致", srcPluginFile); new File(srcPluginFile).delete(); return VERIFY_SIGNATURES_FAIL; } } // 第2步,解析Manifest,获得插件详情 PluginDescriptor pluginDescriptor = PluginManifestParser.parseManifest(srcPluginFile); if (pluginDescriptor == null || TextUtils.isEmpty(pluginDescriptor.getPackageName())) { LogUtil.e("解析插件Manifest文件失败", srcPluginFile); new File(srcPluginFile).delete(); return PARSE_MANIFEST_FAIL; } PackageInfo packageInfo = sApplication .getPackageManager() .getPackageArchiveInfo(srcPluginFile, PackageManager.GET_GIDS); if (packageInfo != null) { pluginDescriptor.setApplicationTheme(packageInfo.applicationInfo.theme); pluginDescriptor.setApplicationIcon(packageInfo.applicationInfo.icon); pluginDescriptor.setApplicationLogo(packageInfo.applicationInfo.logo); } boolean isNeedPending = false; // 第3步,检查插件是否已经存在,若存在删除旧的 PluginDescriptor oldPluginDescriptor = getPluginDescriptorByPluginId(pluginDescriptor.getPackageName()); if (oldPluginDescriptor != null) { LogUtil.e( "已安装过,安装路径为", oldPluginDescriptor.getInstalledPath(), oldPluginDescriptor.getVersion(), pluginDescriptor.getVersion()); // 检查插件是否已经加载 if (oldPluginDescriptor.getPluginContext() != null) { if (!oldPluginDescriptor.getVersion().equals(pluginDescriptor.getVersion())) { LogUtil.e("旧版插件已经加载, 且新版插件和旧版插件版本不同,进入pending状态,新版插件将在安装后进程重启再生效"); isNeedPending = true; } else { LogUtil.e("旧版插件已经加载, 且新版插件和旧版插件版本相同,拒绝安装"); new File(srcPluginFile).delete(); return FAIL_BECAUSE_HAS_LOADED; } } else { LogUtil.e("旧版插件还未加载,忽略版本,直接删除旧版,尝试安装新版"); remove(oldPluginDescriptor.getPackageName()); } } // 第4步骤,复制插件到插件目录 String destApkPath = pluginManager.genInstallPath( pluginDescriptor.getPackageName(), pluginDescriptor.getVersion()); boolean isCopySuccess = FileUtil.copyFile(srcPluginFile, destApkPath); if (!isCopySuccess) { LogUtil.e("复制插件到安装目录失败", srcPluginFile); // 删掉临时文件 new File(srcPluginFile).delete(); return COPY_FILE_FAIL; } else { // 第5步,先解压so到临时目录,再从临时目录复制到插件so目录。 在构造插件Dexclassloader的时候,会使用这个so目录作为参数 File apkParent = new File(destApkPath).getParentFile(); File tempSoDir = new File(apkParent, "temp"); Set<String> soList = FileUtil.unZipSo(srcPluginFile, tempSoDir); if (soList != null) { for (String soName : soList) { FileUtil.copySo(tempSoDir, soName, apkParent.getAbsolutePath()); } // 删掉临时文件 FileUtil.deleteAll(tempSoDir); } // 第6步 添加到已安装插件列表 pluginDescriptor.setInstalledPath(destApkPath); boolean isInstallSuccess = false; if (!isNeedPending) { isInstallSuccess = pluginManager.addOrReplace(pluginDescriptor); } else { isInstallSuccess = pluginManager.pending(pluginDescriptor); } // 删掉临时文件 new File(srcPluginFile).delete(); if (!isInstallSuccess) { LogUtil.e("安装插件失败", srcPluginFile); new File(destApkPath).delete(); return INSTALL_FAIL; } else { // 通过创建classloader来触发dexopt,但不加载 LogUtil.d("正在进行DEXOPT...", pluginDescriptor.getInstalledPath()); FileUtil.deleteAll(new File(apkParent, "dalvik-cache")); PluginCreator.createPluginClassLoader( pluginDescriptor.getInstalledPath(), pluginDescriptor.isStandalone(), null); LogUtil.d("DEXOPT完毕"); if (!isNeedPending) { LocalServiceManager.registerService(pluginDescriptor); } changeListener.onPluginInstalled( pluginDescriptor.getPackageName(), pluginDescriptor.getVersion()); LogUtil.e("安装插件成功," + (isNeedPending ? " 重启进程生效" : " 立即生效"), destApkPath); return SUCCESS; } } }
/** * 安装一个插件 * * @param srcPluginFile * @return */ public static synchronized int installPlugin(String srcPluginFile) { LogUtil.d("开始安装插件", srcPluginFile); if (TextUtils.isEmpty(srcPluginFile) || !new File(srcPluginFile).exists()) { return SRC_FILE_NOT_FOUND; } // 第0步,先将apk复制到宿主程序私有目录,防止在安装过程中文件被篡改 if (!srcPluginFile.startsWith(sApplication.getCacheDir().getAbsolutePath())) { String tempFilePath = sApplication.getCacheDir().getAbsolutePath() + File.separator + System.currentTimeMillis() + ".apk"; if (FileUtil.copyFile(srcPluginFile, tempFilePath)) { srcPluginFile = tempFilePath; } else { LogUtil.e("复制插件文件失败失败", srcPluginFile, tempFilePath); return COPY_FILE_FAIL; } } // 第1步,验证插件APK签名,如果被篡改过,将获取不到证书 // sApplication.getPackageManager().getPackageArchiveInfo(srcPluginFile, // PackageManager.GET_SIGNATURES); Signature[] pluginSignatures = PackageVerifyer.collectCertificates(srcPluginFile, false); boolean isDebugable = (0 != (sApplication.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE)); if (pluginSignatures == null) { LogUtil.e("插件签名验证失败", srcPluginFile); new File(srcPluginFile).delete(); return SIGNATURES_INVALIDATE; } else if (NEED_VERIFY_CERT && !isDebugable) { // 可选步骤,验证插件APK证书是否和宿主程序证书相同。 // 证书中存放的是公钥和算法信息,而公钥和私钥是1对1的 // 公钥相同意味着是同一个作者发布的程序 Signature[] mainSignatures = null; try { PackageInfo pkgInfo = sApplication .getPackageManager() .getPackageInfo(sApplication.getPackageName(), PackageManager.GET_SIGNATURES); mainSignatures = pkgInfo.signatures; } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } if (!PackageVerifyer.isSignaturesSame(mainSignatures, pluginSignatures)) { LogUtil.e("插件证书和宿主证书不一致", srcPluginFile); new File(srcPluginFile).delete(); return VERIFY_SIGNATURES_FAIL; } } // 第2步,解析Manifest,获得插件详情 PluginDescriptor pluginDescriptor = ManifestParser.parseManifest(srcPluginFile); if (pluginDescriptor == null || TextUtils.isEmpty(pluginDescriptor.getPackageName())) { LogUtil.e("解析插件Manifest文件失败", srcPluginFile); new File(srcPluginFile).delete(); return PARSE_MANIFEST_FAIL; } PackageInfo packageInfo = sApplication .getPackageManager() .getPackageArchiveInfo(srcPluginFile, PackageManager.GET_GIDS); pluginDescriptor.setApplicationTheme(packageInfo.applicationInfo.theme); pluginDescriptor.setApplicationIcon(packageInfo.applicationInfo.icon); pluginDescriptor.setApplicationLogo(packageInfo.applicationInfo.logo); // 第3步,检查插件是否已经存在,若存在删除旧的 PluginDescriptor oldPluginDescriptor = getPluginDescriptorByPluginId(pluginDescriptor.getPackageName()); if (oldPluginDescriptor != null) { LogUtil.e("已安装过,先删除旧版本", pluginDescriptor.getInstalledPath()); remove(pluginDescriptor.getPackageName()); } // 第4步骤,复制插件到插件目录 String destPluginFile = pluginManager.genInstallPath( pluginDescriptor.getPackageName(), pluginDescriptor.getVersion()); boolean isCopySuccess = FileUtil.copyFile(srcPluginFile, destPluginFile); if (!isCopySuccess) { LogUtil.d("复制插件到安装目录失败", srcPluginFile); new File(srcPluginFile).delete(); return COPY_FILE_FAIL; } else { // 第5步,复制插件so到插件so目录, 在构造插件Dexclassloader的时候,会使用这个so目录作为参数 File tempDir = new File(new File(destPluginFile).getParentFile(), "temp"); Set<String> soList = FileUtil.unZipSo(srcPluginFile, tempDir); if (soList != null) { for (String soName : soList) { FileUtil.copySo( tempDir, soName, new File(destPluginFile).getParent() + File.separator + "lib"); } FileUtil.deleteAll(tempDir); } // 第6步 添加到已安装插件列表 pluginDescriptor.setInstalledPath(destPluginFile); boolean isInstallSuccess = pluginManager.addOrReplace(pluginDescriptor); new File(srcPluginFile).delete(); if (!isInstallSuccess) { LogUtil.d("安装插件失败", srcPluginFile); return INSTALL_FAIL; } else { changeListener.onPluginInstalled( pluginDescriptor.getPackageName(), pluginDescriptor.getVersion()); LogUtil.d("安装插件成功", destPluginFile); return SUCCESS; } } }