revanced-manager/lib/services/patcher_api.dart

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import 'dart:io';
import 'package:app_installer/app_installer.dart';
import 'package:collection/collection.dart';
import 'package:device_apps/device_apps.dart';
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import 'package:flutter/services.dart';
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import 'package:injectable/injectable.dart';
import 'package:path_provider/path_provider.dart';
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import 'package:revanced_manager/app/app.locator.dart';
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import 'package:revanced_manager/models/patch.dart';
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import 'package:revanced_manager/models/patched_application.dart';
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import 'package:revanced_manager/services/manager_api.dart';
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import 'package:revanced_manager/services/root_api.dart';
import 'package:share_extend/share_extend.dart';
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@lazySingleton
class PatcherAPI {
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static const patcherChannel =
MethodChannel('app.revanced.manager.flutter/patcher');
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final ManagerAPI _managerAPI = locator<ManagerAPI>();
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final RootAPI _rootAPI = RootAPI();
late Directory _tmpDir;
late File _keyStoreFile;
List<Patch> _patches = [];
File? _outFile;
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Future<void> initialize() async {
await _loadPatches();
Directory appCache = await getTemporaryDirectory();
_tmpDir = Directory('${appCache.path}/patcher');
_keyStoreFile = File('${appCache.path}/revanced-manager.keystore');
cleanPatcher();
}
void cleanPatcher() {
if (_tmpDir.existsSync()) {
_tmpDir.deleteSync(recursive: true);
}
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}
Future<void> _loadPatches() async {
try {
if (_patches.isEmpty) {
_patches = await _managerAPI.getPatches();
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}
} on Exception {
_patches = List.empty();
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}
}
Future<List<ApplicationWithIcon>> getFilteredInstalledApps() async {
List<ApplicationWithIcon> filteredApps = [];
for (Patch patch in _patches) {
for (Package package in patch.compatiblePackages) {
try {
if (!filteredApps.any((app) => app.packageName == package.name)) {
ApplicationWithIcon? app =
await DeviceApps.getApp(package.name, true)
as ApplicationWithIcon?;
if (app != null) {
filteredApps.add(app);
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}
}
} catch (e) {
continue;
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}
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}
}
return filteredApps;
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}
Future<List<Patch>> getFilteredPatches(String packageName) async {
return _patches
.where((patch) =>
!patch.name.contains('settings') &&
patch.compatiblePackages.any((pack) => pack.name == packageName))
.toList();
}
Future<List<Patch>> getAppliedPatches(List<String> appliedPatches) async {
return _patches
.where((patch) => appliedPatches.contains(patch.name))
.toList();
}
Future<String> getOriginalFilePath(
String packageName,
String originalFilePath,
) async {
bool hasRootPermissions = await _rootAPI.hasRootPermissions();
if (hasRootPermissions) {
originalFilePath = await _rootAPI.getOriginalFilePath(
packageName,
originalFilePath,
);
}
return originalFilePath;
}
Future<void> runPatcher(
String packageName,
String originalFilePath,
List<Patch> selectedPatches,
) async {
bool mergeIntegrations = selectedPatches.any(
(patch) => patch.dependencies.contains('integrations'),
);
bool resourcePatching = selectedPatches.any(
(patch) => patch.dependencies.any((dep) => dep.contains('resource-')),
);
bool includeSettings = selectedPatches.any(
(patch) => patch.dependencies.contains('settings'),
);
if (includeSettings) {
try {
Patch? settingsPatch = _patches.firstWhereOrNull(
(patch) =>
patch.name.contains('settings') &&
patch.compatiblePackages.any((pack) => pack.name == packageName),
);
if (settingsPatch != null) {
selectedPatches.add(settingsPatch);
}
} catch (e) {
// ignore
}
}
File? patchBundleFile = await _managerAPI.downloadPatches();
File? integrationsFile;
if (mergeIntegrations) {
integrationsFile = await _managerAPI.downloadIntegrations();
}
if (patchBundleFile != null) {
_tmpDir.createSync();
Directory workDir = _tmpDir.createTempSync('tmp-');
File inputFile = File('${workDir.path}/base.apk');
File patchedFile = File('${workDir.path}/patched.apk');
_outFile = File('${workDir.path}/out.apk');
Directory cacheDir = Directory('${workDir.path}/cache');
cacheDir.createSync();
await patcherChannel.invokeMethod(
'runPatcher',
{
'patchBundleFilePath': patchBundleFile.path,
'originalFilePath': await getOriginalFilePath(
packageName,
originalFilePath,
),
'inputFilePath': inputFile.path,
'patchedFilePath': patchedFile.path,
'outFilePath': _outFile!.path,
'integrationsPath': mergeIntegrations ? integrationsFile!.path : '',
'selectedPatches': selectedPatches.map((p) => p.name).toList(),
'cacheDirPath': cacheDir.path,
'mergeIntegrations': mergeIntegrations,
'resourcePatching': resourcePatching,
'keyStoreFilePath': _keyStoreFile.path,
},
);
}
}
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Future<bool> installPatchedFile(PatchedApplication patchedApp) async {
if (_outFile != null) {
try {
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if (patchedApp.isRooted) {
bool hasRootPermissions = await _rootAPI.hasRootPermissions();
if (hasRootPermissions) {
return _rootAPI.installApp(
patchedApp.packageName,
patchedApp.apkFilePath,
_outFile!.path,
);
}
} else {
await AppInstaller.installApk(_outFile!.path);
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return await DeviceApps.isAppInstalled(patchedApp.packageName);
}
} on Exception {
return false;
}
}
return false;
}
void sharePatchedFile(String appName, String version) {
if (_outFile != null) {
String prefix = appName.toLowerCase().replaceAll(' ', '-');
String newName = '$prefix-revanced_v$version.apk';
int lastSeparator = _outFile!.path.lastIndexOf('/');
File share = _outFile!.renameSync(
_outFile!.path.substring(0, lastSeparator + 1) + newName,
);
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ShareExtend.share(share.path, 'file');
}
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}
Future<void> sharePatcherLog(String logs) async {
Directory appCache = await getTemporaryDirectory();
Directory logDir = Directory('${appCache.path}/logs');
logDir.createSync();
String dateTime = DateTime.now()
.toIso8601String()
.replaceAll('-', '')
.replaceAll(':', '')
.replaceAll('T', '')
.replaceAll('.', '');
File log = File('${logDir.path}/revanced-manager_patcher_$dateTime.log');
log.writeAsStringSync(logs);
ShareExtend.share(log.path, 'file');
}
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}