revanced-manager/lib/services/root_api.dart

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import 'package:root/root.dart';
class RootAPI {
final String _managerDirPath = '/data/local/tmp/revanced-manager';
final String _postFsDataDirPath = '/data/adb/post-fs-data.d';
final String _serviceDDirPath = '/data/adb/service.d';
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Future<bool> hasRootPermissions() async {
bool? isRooted = await Root.isRooted();
return isRooted != null && isRooted;
}
Future<void> setPermissions(
String permissions,
ownerGroup,
seLinux,
String filePath,
) async {
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"',
);
}
}
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Future<bool> isAppInstalled(String packageName) async {
if (packageName.isNotEmpty) {
String? res = await Root.exec(
cmd: 'ls "$_managerDirPath/$packageName"',
);
if (res != null && res.isNotEmpty) {
res = await Root.exec(
cmd: 'ls "$_serviceDDirPath/$packageName.sh"',
);
return res != null && res.isNotEmpty;
}
}
return false;
}
Future<List<String>> getInstalledApps() async {
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try {
String? res = await Root.exec(
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cmd: 'ls "$_managerDirPath"',
);
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if (res != null) {
List<String> apps = res.split('\n');
List<String> toRemove = [];
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for (String packageName in apps) {
bool isInstalled = await isAppInstalled(packageName);
if (!isInstalled) {
toRemove.add(packageName);
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}
}
apps.removeWhere((a) => toRemove.contains(a));
return apps;
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}
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} on Exception {
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return List.empty();
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}
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return List.empty();
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}
Future<void> deleteApp(String packageName, String originalFilePath) async {
await Root.exec(
cmd: 'am force-stop "$packageName"',
);
await Root.exec(
cmd: 'su -mm -c "umount -l $originalFilePath"',
);
await Root.exec(
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cmd: 'rm -rf "$_managerDirPath/$packageName"',
);
await Root.exec(
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cmd: 'rm -rf "$_serviceDDirPath/$packageName.sh"',
);
await Root.exec(
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cmd: 'rm -rf "$_postFsDataDirPath/$packageName.sh"',
);
}
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Future<bool> installApp(
String packageName,
String originalFilePath,
String patchedFilePath,
) async {
try {
await deleteApp(packageName, originalFilePath);
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await Root.exec(
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cmd: 'mkdir -p "$_managerDirPath/$packageName"',
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);
await setPermissions(
'0755',
'shell:shell',
'',
'$_managerDirPath/$packageName',
);
await saveOriginalFilePath(packageName, originalFilePath);
await installServiceDScript(packageName);
await installPostFsDataScript(packageName);
await installApk(packageName, patchedFilePath);
await mountApk(packageName, originalFilePath);
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return true;
} on Exception {
return false;
}
}
Future<void> installServiceDScript(String packageName) async {
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String content = '#!/system/bin/sh\n'
'while [ "\$(getprop sys.boot_completed | tr -d \'"\'"\'\\\\r\'"\'"\')" != "1" ]; do sleep 1; done\n'
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'base_path=$_managerDirPath/$packageName/base.apk\n'
'stock_path=\$(pm path $packageName | grep base | sed \'"\'"\'s/package://g\'"\'"\')\n'
'[ ! -z \$stock_path ] && mount -o bind \$base_path \$stock_path';
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String scriptFilePath = '$_serviceDDirPath/$packageName.sh';
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await Root.exec(
cmd: 'echo \'$content\' > "$scriptFilePath"',
);
await setPermissions('0744', '', '', scriptFilePath);
}
Future<void> installPostFsDataScript(String packageName) async {
String content = '#!/system/bin/sh\n'
'stock_path=\$(pm path $packageName | grep base | sed \'"\'"\'s/package://g\'"\'"\')\n'
'[ ! -z \$stock_path ] && umount -l \$stock_path';
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String scriptFilePath = '$_postFsDataDirPath/$packageName.sh';
await Root.exec(
cmd: 'echo \'$content\' > "$scriptFilePath"',
);
await setPermissions('0744', '', '', scriptFilePath);
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}
Future<void> installApk(String packageName, String patchedFilePath) async {
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String newPatchedFilePath = '$_managerDirPath/$packageName/base.apk';
await Root.exec(
cmd: 'cp "$patchedFilePath" "$newPatchedFilePath"',
);
await setPermissions(
'0644',
'system:system',
'u:object_r:apk_data_file:s0',
newPatchedFilePath,
);
}
Future<void> mountApk(String packageName, String originalFilePath) async {
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String newPatchedFilePath = '$_managerDirPath/$packageName/base.apk';
await Root.exec(
cmd: 'am force-stop "$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 {
String? res = await Root.exec(
cmd: 'cat /proc/mounts | grep $packageName',
);
return res != null && res.isNotEmpty;
}
Future<String> getOriginalFilePath(
String packageName,
String originalFilePath,
) async {
bool isInstalled = await isAppInstalled(packageName);
if (isInstalled && await isMounted(packageName)) {
originalFilePath = '$_managerDirPath/$packageName/original.apk';
await setPermissions(
'0644',
'shell:shell',
'u:object_r:apk_data_file:s0',
originalFilePath,
);
}
return originalFilePath;
}
Future<void> saveOriginalFilePath(
String packageName,
String originalFilePath,
) async {
String originalRootPath = '$_managerDirPath/$packageName/original.apk';
await Root.exec(
cmd: 'mkdir -p "$_managerDirPath/$packageName"',
);
await setPermissions(
'0755',
'shell:shell',
'',
'$_managerDirPath/$packageName',
);
await Root.exec(
cmd: 'cp "$originalFilePath" "$originalRootPath"',
);
await setPermissions(
'0644',
'shell:shell',
'u:object_r:apk_data_file:s0',
originalFilePath,
);
}
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}