import 'dart:io'; import 'package:app_installer/app_installer.dart'; import 'package:collection/collection.dart'; import 'package:cr_file_saver/file_saver.dart'; import 'package:device_apps/device_apps.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/services.dart'; import 'package:injectable/injectable.dart'; import 'package:path_provider/path_provider.dart'; import 'package:revanced_manager/app/app.locator.dart'; import 'package:revanced_manager/models/patch.dart'; import 'package:revanced_manager/models/patched_application.dart'; import 'package:revanced_manager/services/manager_api.dart'; import 'package:revanced_manager/services/root_api.dart'; import 'package:share_extend/share_extend.dart'; @lazySingleton class PatcherAPI { static const patcherChannel = MethodChannel('app.revanced.manager.flutter/patcher'); final ManagerAPI _managerAPI = locator(); final RootAPI _rootAPI = RootAPI(); late Directory _dataDir; late Directory _tmpDir; late File _keyStoreFile; List _patches = []; Map filteredPatches = >{}; File? _outFile; Future initialize() async { await _loadPatches(); final Directory appCache = await getTemporaryDirectory(); _dataDir = await getExternalStorageDirectory() ?? appCache; _tmpDir = Directory('${appCache.path}/patcher'); _keyStoreFile = File('${_dataDir.path}/revanced-manager.keystore'); cleanPatcher(); } void cleanPatcher() { if (_tmpDir.existsSync()) { _tmpDir.deleteSync(recursive: true); } } Future _loadPatches() async { try { if (_patches.isEmpty) { _patches = await _managerAPI.getPatches(); } } on Exception catch (e) { if (kDebugMode) { print(e); } _patches = List.empty(); } } Future> getFilteredInstalledApps( bool showUniversalPatches, ) async { final List filteredApps = []; final bool allAppsIncluded = _patches.any((patch) => patch.compatiblePackages.isEmpty) && showUniversalPatches; if (allAppsIncluded) { final allPackages = await DeviceApps.getInstalledApplications( includeAppIcons: true, onlyAppsWithLaunchIntent: true, ); for (final pkg in allPackages) { if (!filteredApps.any((app) => app.packageName == pkg.packageName)) { final appInfo = await DeviceApps.getApp( pkg.packageName, true, ) as ApplicationWithIcon?; if (appInfo != null) { filteredApps.add(appInfo); } } } } for (final Patch patch in _patches) { for (final Package package in patch.compatiblePackages) { try { if (!filteredApps.any((app) => app.packageName == package.name)) { final ApplicationWithIcon? app = await DeviceApps.getApp( package.name, true, ) as ApplicationWithIcon?; if (app != null) { filteredApps.add(app); } } } on Exception catch (e) { if (kDebugMode) { print(e); } } } } return filteredApps; } List getFilteredPatches(String packageName) { if (!filteredPatches.keys.contains(packageName)) { final List patches = _patches .where( (patch) => patch.compatiblePackages.isEmpty || !patch.name.contains('settings') && patch.compatiblePackages .any((pack) => pack.name == packageName), ) .toList(); filteredPatches[packageName] = patches; } return filteredPatches[packageName]; } Future> getAppliedPatches( List appliedPatches, ) async { return _patches .where((patch) => appliedPatches.contains(patch.name)) .toList(); } Future needsResourcePatching( List selectedPatches, ) async { return selectedPatches.any( (patch) => patch.dependencies.any( (dep) => dep.contains('resource-'), ), ); } Future needsSettingsPatch(List selectedPatches) async { return selectedPatches.any( (patch) => patch.dependencies.any( (dep) => dep.contains('settings'), ), ); } Future getOriginalFilePath( String packageName, String originalFilePath, ) async { try { final bool hasRootPermissions = await _rootAPI.hasRootPermissions(); if (hasRootPermissions) { originalFilePath = await _rootAPI.getOriginalFilePath( packageName, originalFilePath, ); } return originalFilePath; } on Exception catch (e) { if (kDebugMode) { print(e); } return originalFilePath; } } Future runPatcher( String packageName, String originalFilePath, List selectedPatches, ) async { final bool includeSettings = await needsSettingsPatch(selectedPatches); if (includeSettings) { try { final Patch? settingsPatch = _patches.firstWhereOrNull( (patch) => patch.name.contains('settings') && patch.compatiblePackages.any((pack) => pack.name == packageName), ); if (settingsPatch != null) { selectedPatches.add(settingsPatch); } } on Exception catch (e) { if (kDebugMode) { print(e); } } } final File? patchBundleFile = await _managerAPI.downloadPatches(); final File? integrationsFile = await _managerAPI.downloadIntegrations(); if (patchBundleFile != null) { _dataDir.createSync(); _tmpDir.createSync(); final Directory workDir = _tmpDir.createTempSync('tmp-'); final File inputFile = File('${workDir.path}/base.apk'); final File patchedFile = File('${workDir.path}/patched.apk'); _outFile = File('${workDir.path}/out.apk'); final Directory cacheDir = Directory('${workDir.path}/cache'); cacheDir.createSync(); try { await patcherChannel.invokeMethod( 'runPatcher', { 'patchBundleFilePath': patchBundleFile.path, 'originalFilePath': await getOriginalFilePath( packageName, originalFilePath, ), 'inputFilePath': inputFile.path, 'patchedFilePath': patchedFile.path, 'outFilePath': _outFile!.path, 'integrationsPath': integrationsFile!.path, 'selectedPatches': selectedPatches.map((p) => p.name).toList(), 'cacheDirPath': cacheDir.path, 'keyStoreFilePath': _keyStoreFile.path, 'keystorePassword': _managerAPI.getKeystorePassword(), }, ); } on Exception catch (e) { if (kDebugMode) { print(e); } } } } Future installPatchedFile(PatchedApplication patchedApp) async { if (_outFile != null) { try { if (patchedApp.isRooted) { final bool hasRootPermissions = await _rootAPI.hasRootPermissions(); if (hasRootPermissions) { return _rootAPI.installApp( patchedApp.packageName, patchedApp.apkFilePath, _outFile!.path, ); } } else { await AppInstaller.installApk(_outFile!.path); return await DeviceApps.isAppInstalled( patchedApp.packageName, ); } } on Exception catch (e) { if (kDebugMode) { print(e); } return false; } } return false; } void exportPatchedFile(String appName, String version) { try { if (_outFile != null) { final String newName = _getFileName(appName, version); CRFileSaver.saveFileWithDialog( SaveFileDialogParams( sourceFilePath: _outFile!.path, destinationFileName: newName, ), ); } } on Exception catch (e) { if (kDebugMode) { print(e); } } } void sharePatchedFile(String appName, String version) { try { if (_outFile != null) { final String newName = _getFileName(appName, version); final int lastSeparator = _outFile!.path.lastIndexOf('/'); final String newPath = _outFile!.path.substring(0, lastSeparator + 1) + newName; final File shareFile = _outFile!.copySync(newPath); ShareExtend.share(shareFile.path, 'file'); } } on Exception catch (e) { if (kDebugMode) { print(e); } } } String _getFileName(String appName, String version) { final String prefix = appName.toLowerCase().replaceAll(' ', '-'); final String newName = '$prefix-revanced_v$version.apk'; return newName; } Future sharePatcherLog(String logs) async { final Directory appCache = await getTemporaryDirectory(); final Directory logDir = Directory('${appCache.path}/logs'); logDir.createSync(); final String dateTime = DateTime.now() .toIso8601String() .replaceAll('-', '') .replaceAll(':', '') .replaceAll('T', '') .replaceAll('.', ''); final File log = File('${logDir.path}/revanced-manager_patcher_$dateTime.log'); log.writeAsStringSync(logs); ShareExtend.share(log.path, 'file'); } String getRecommendedVersion(String packageName) { final Map versions = {}; for (final Patch patch in _patches) { final Package? package = patch.compatiblePackages.firstWhereOrNull( (pack) => pack.name == packageName, ); if (package != null) { for (final String version in package.versions) { versions.update( version, (value) => versions[version]! + 1, ifAbsent: () => 1, ); } } } if (versions.isNotEmpty) { final entries = versions.entries.toList() ..sort((a, b) => a.value.compareTo(b.value)); versions ..clear() ..addEntries(entries); versions.removeWhere((key, value) => value != versions.values.last); return (versions.keys.toList()..sort()).last; } return ''; } }