revanced-manager/lib/services/root_api.dart

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import 'package:flutter/foundation.dart';
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import 'package:root/root.dart';
class RootAPI {
// TODO(ponces): remove in the future, keep it for now during migration.
final String _revancedOldDirPath = '/data/local/tmp/revanced-manager';
final String _revancedDirPath = '/data/adb/revanced';
final String _postFsDataDirPath = '/data/adb/post-fs-data.d';
final String _serviceDDirPath = '/data/adb/service.d';
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Future<bool> isRooted() async {
try {
final bool? isRooted = await Root.isRootAvailable();
return isRooted != null && isRooted;
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
return false;
}
}
Future<bool> hasRootPermissions() async {
try {
bool? isRooted = await Root.isRootAvailable();
if (isRooted != null && isRooted) {
isRooted = await Root.isRooted();
return isRooted != null && isRooted;
}
return false;
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
return false;
}
}
Future<void> setPermissions(
String permissions,
ownerGroup,
seLinux,
String filePath,
) async {
try {
if (permissions.isNotEmpty) {
await Root.exec(
cmd: 'chmod $permissions "$filePath"',
);
}
if (ownerGroup.isNotEmpty) {
await Root.exec(
cmd: 'chown $ownerGroup "$filePath"',
);
}
if (seLinux.isNotEmpty) {
await Root.exec(
cmd: 'chcon $seLinux "$filePath"',
);
}
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
}
}
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Future<bool> isAppInstalled(String packageName) async {
if (packageName.isNotEmpty) {
return fileExists('$_serviceDDirPath/$packageName.sh');
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}
return false;
}
Future<List<String>> getInstalledApps() async {
final List<String> apps = List.empty();
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try {
String? res = await Root.exec(
cmd: 'ls "$_revancedDirPath"',
);
if (res != null) {
final List<String> list = res.split('\n');
list.removeWhere((pack) => pack.isEmpty);
apps.addAll(list.map((pack) => pack.trim()).toList());
}
// TODO(ponces): remove in the future, keep it for now during migration.
res = await Root.exec(
cmd: 'ls "$_revancedOldDirPath"',
);
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if (res != null) {
final List<String> list = res.split('\n');
list.removeWhere((pack) => pack.isEmpty);
apps.addAll(list.map((pack) => pack.trim()).toList());
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}
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
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}
return apps;
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}
Future<void> deleteApp(String packageName, String originalFilePath) async {
await Root.exec(
cmd: 'am force-stop "$packageName"',
);
await Root.exec(
cmd: 'su -mm -c "umount -l $originalFilePath"',
);
// TODO(ponces): remove in the future, keep it for now during migration.
await Root.exec(
cmd: 'rm -rf "$_revancedOldDirPath/$packageName"',
);
await Root.exec(
cmd: 'rm -rf "$_revancedDirPath/$packageName"',
);
await Root.exec(
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cmd: 'rm -rf "$_serviceDDirPath/$packageName.sh"',
);
await Root.exec(
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cmd: 'rm -rf "$_postFsDataDirPath/$packageName.sh"',
);
}
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Future<bool> installApp(
String packageName,
String originalFilePath,
String patchedFilePath,
) async {
try {
await deleteApp(packageName, originalFilePath);
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await Root.exec(
cmd: 'mkdir -p "$_revancedDirPath/$packageName"',
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);
await setPermissions(
'0755',
'shell:shell',
'',
'$_revancedDirPath/$packageName',
);
await saveOriginalFilePath(packageName, originalFilePath);
await installServiceDScript(packageName);
await installPostFsDataScript(packageName);
await installApk(packageName, patchedFilePath);
await mountApk(packageName, originalFilePath);
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return true;
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
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return false;
}
}
Future<void> installServiceDScript(String packageName) async {
final String content = '#!/system/bin/sh\n'
'while [ "\$(getprop sys.boot_completed | tr -d \'"\'"\'\\\\r\'"\'"\')" != "1" ]; do sleep 3; done\n'
'base_path=$_revancedDirPath/$packageName/base.apk\n'
'stock_path=\$(pm path $packageName | grep base | sed \'"\'"\'s/package://g\'"\'"\')\n'
r'[ ! -z $stock_path ] && mount -o bind $base_path $stock_path';
final String scriptFilePath = '$_serviceDDirPath/$packageName.sh';
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await Root.exec(
cmd: 'echo \'$content\' > "$scriptFilePath"',
);
await setPermissions('0744', '', '', scriptFilePath);
}
Future<void> installPostFsDataScript(String packageName) async {
final String content = '#!/system/bin/sh\n'
'stock_path=\$(pm path $packageName | grep base | sed \'"\'"\'s/package://g\'"\'"\')\n'
r'[ ! -z $stock_path ] && umount -l $stock_path';
final String scriptFilePath = '$_postFsDataDirPath/$packageName.sh';
await Root.exec(
cmd: 'echo \'$content\' > "$scriptFilePath"',
);
await setPermissions('0744', '', '', scriptFilePath);
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}
Future<void> installApk(String packageName, String patchedFilePath) async {
final String newPatchedFilePath = '$_revancedDirPath/$packageName/base.apk';
await Root.exec(
cmd: 'cp "$patchedFilePath" "$newPatchedFilePath"',
);
await setPermissions(
'0644',
'system:system',
'u:object_r:apk_data_file:s0',
newPatchedFilePath,
);
}
Future<void> mountApk(String packageName, String originalFilePath) async {
final String newPatchedFilePath = '$_revancedDirPath/$packageName/base.apk';
await Root.exec(
cmd: 'am force-stop "$packageName"',
);
await Root.exec(
cmd: 'su -mm -c "umount -l $originalFilePath"',
);
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await Root.exec(
cmd: 'su -mm -c "mount -o bind $newPatchedFilePath $originalFilePath"',
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);
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}
Future<bool> isMounted(String packageName) async {
final String? res = await Root.exec(
cmd: 'cat /proc/mounts | grep $packageName',
);
return res != null && res.isNotEmpty;
}
Future<String> getOriginalFilePath(String packageName) async {
final String originalPath = '$_revancedDirPath/$packageName/original.apk';
final String oldOrigPath = '$_revancedOldDirPath/$packageName/original.apk';
final bool isInstalled = await isAppInstalled(packageName);
if (isInstalled && await isMounted(packageName)) {
if (await fileExists(originalPath)) {
return originalPath;
} else if (await fileExists(oldOrigPath)) {
return oldOrigPath;
}
}
return '';
}
Future<void> saveOriginalFilePath(
String packageName,
String originalFilePath,
) async {
final String originalRootPath =
'$_revancedDirPath/$packageName/original.apk';
await Root.exec(
cmd: 'mkdir -p "$_revancedDirPath/$packageName"',
);
await setPermissions(
'0755',
'shell:shell',
'',
'$_revancedDirPath/$packageName',
);
await Root.exec(
cmd: 'cp "$originalFilePath" "$originalRootPath"',
);
await setPermissions(
'0644',
'shell:shell',
'u:object_r:apk_data_file:s0',
originalFilePath,
);
}
Future<bool> fileExists(String path) async {
try {
final String? res = await Root.exec(
cmd: 'ls $path',
);
return res != null && res.isNotEmpty;
} on Exception catch (e) {
if (kDebugMode) {
print(e);
}
return false;
}
}
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}