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Add XAPK support (incomplete - OBB not copied)

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Imran Remtulla
2023-05-06 13:20:58 -04:00
parent 33d3fc2d8e
commit cc3c4cc79f
5 changed files with 139 additions and 32 deletions
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131
lib/providers/apps_provider.dart
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@@ -27,6 +27,7 @@ import 'package:flutter_fgbg/flutter_fgbg.dart';
import 'package:obtainium/providers/source_provider.dart';
import 'package:http/http.dart';
import 'package:android_intent_plus/android_intent.dart';
import 'package:archive/archive.dart';
class AppInMemory {
late App app;
@@ -46,6 +47,13 @@ class DownloadedApk {
DownloadedApk(this.appId, this.file);
}
class DownloadedXApkDir {
String appId;
File file;
Directory extracted;
DownloadedXApkDir(this.appId, this.file, this.extracted);
}
List<String> generateStandardVersionRegExStrings() {
// TODO: Look into RegEx for non-Latin characters / non-Arabic numerals
var basics = [
@@ -164,7 +172,27 @@ class AppsProvider with ChangeNotifier {
return downloadedFile;
}
Future<DownloadedApk> downloadApp(App app, BuildContext? context) async {
handleAPKIDChange(App app, PackageArchiveInfo newInfo, File downloadedFile,
String downloadUrl) async {
// If the APK package ID is different from the App ID, it is either new (using a placeholder ID) or the ID has changed
// The former case should be handled (give the App its real ID), the latter is a security issue
if (app.id != newInfo.packageName) {
var isTempId = SourceProvider().isTempId(app);
if (apps[app.id] != null && !isTempId) {
throw IDChangedError();
}
var originalAppId = app.id;
app.id = newInfo.packageName;
downloadedFile = downloadedFile.renameSync(
'${downloadedFile.parent.path}/${app.id}-${downloadUrl.hashCode}.apk');
if (apps[originalAppId] != null) {
await removeApps([originalAppId]);
await saveApps([app], onlyIfExists: !isTempId);
}
}
}
Future<Object> downloadApp(App app, BuildContext? context) async {
NotificationsProvider? notificationsProvider =
context?.read<NotificationsProvider>();
var notifId = DownloadNotification(app.finalName, 0).id;
@@ -194,33 +222,42 @@ class AppsProvider with ChangeNotifier {
}
prevProg = prog;
});
// If the APK package ID is different from the App ID, it is either new (using a placeholder ID) or the ID has changed
// The former case should be handled (give the App its real ID), the latter is a security issue
var newInfo = await PackageArchiveInfo.fromPath(downloadedFile.path);
if (app.id != newInfo.packageName) {
var isTempId = SourceProvider().isTempId(app);
if (apps[app.id] != null && !isTempId) {
throw IDChangedError();
}
var originalAppId = app.id;
app.id = newInfo.packageName;
downloadedFile = downloadedFile.renameSync(
'${downloadedFile.parent.path}/${app.id}-${downloadUrl.hashCode}.apk');
if (apps[originalAppId] != null) {
await removeApps([originalAppId]);
await saveApps([app], onlyIfExists: !isTempId);
}
PackageArchiveInfo? newInfo;
try {
newInfo = await PackageArchiveInfo.fromPath(downloadedFile.path);
} catch (e) {
// Assume it's an XAPK
fileName = '${app.id}-${downloadUrl.hashCode}.xapk';
String newPath = '${downloadedFile.parent.path}/$fileName';
downloadedFile.renameSync(newPath);
downloadedFile = File(newPath);
}
// Delete older versions of the APK if any
Directory? xapkDir;
if (newInfo == null) {
String xapkDirPath = '${downloadedFile.path}-dir';
unzipFile(downloadedFile.path, '${downloadedFile.path}-dir');
xapkDir = Directory(xapkDirPath);
var apks = xapkDir
.listSync()
.where((e) => e.path.toLowerCase().endsWith('.apk'))
.toList();
newInfo = await PackageArchiveInfo.fromPath(apks.first.path);
}
await handleAPKIDChange(app, newInfo, downloadedFile, downloadUrl);
// Delete older versions of the file if any
for (var file in downloadedFile.parent.listSync()) {
var fn = file.path.split('/').last;
if (fn.startsWith('${app.id}-') &&
fn.endsWith('.apk') &&
fn.toLowerCase().endsWith(xapkDir == null ? '.apk' : '.xapk') &&
fn != downloadedFile.path.split('/').last) {
file.delete();
}
}
return DownloadedApk(app.id, downloadedFile);
if (xapkDir != null) {
return DownloadedXApkDir(app.id, downloadedFile, xapkDir);
} else {
return DownloadedApk(app.id, downloadedFile);
}
} finally {
notificationsProvider?.cancel(notifId);
if (apps[app.id] != null) {
@@ -267,10 +304,37 @@ class AppsProvider with ChangeNotifier {
}
}
// Unfortunately this 'await' does not actually wait for the APK to finish installing
// So we only know that the install prompt was shown, but the user could still cancel w/o us knowing
// If appropriate criteria are met, the update (never a fresh install) happens silently in the background
// But even then, we don't know if it actually succeeded
void unzipFile(String filePath, String destinationPath) {
final bytes = File(filePath).readAsBytesSync();
final archive = ZipDecoder().decodeBytes(bytes);
for (final file in archive) {
final filename = '$destinationPath/${file.name}';
if (file.isFile) {
final data = file.content as List<int>;
File(filename)
..createSync(recursive: true)
..writeAsBytesSync(data);
} else {
Directory(filename).create(recursive: true);
}
}
}
Future<void> installXApkDir(DownloadedXApkDir dir,
{bool silent = false}) async {
try {
for (var apk in dir.extracted
.listSync()
.where((f) => f is File && f.path.toLowerCase().endsWith('.apk'))) {
await installApk(DownloadedApk(dir.appId, apk as File), silent: silent);
}
dir.file.delete();
} finally {
dir.extracted.delete(recursive: true);
}
}
Future<void> installApk(DownloadedApk file, {bool silent = false}) async {
// TODO: Use 'silent' when/if ever possible
var newInfo = await PackageArchiveInfo.fromPath(file.file.path);
@@ -420,9 +484,16 @@ class AppsProvider with ChangeNotifier {
for (var id in appsToInstall) {
try {
// ignore: use_build_context_synchronously
var downloadedFile = await downloadApp(apps[id]!.app, context);
bool willBeSilent =
await canInstallSilently(apps[downloadedFile.appId]!.app);
var downloadedArtifact = await downloadApp(apps[id]!.app, context);
DownloadedApk? downloadedFile;
DownloadedXApkDir? downloadedDir;
if (downloadedArtifact is DownloadedApk) {
downloadedFile = downloadedArtifact;
} else {
downloadedDir = downloadedArtifact as DownloadedXApkDir;
}
bool willBeSilent = await canInstallSilently(
apps[downloadedFile?.appId ?? downloadedDir!.appId]!.app);
willBeSilent = false; // TODO: Remove this when silent updates work
if (!(await settingsProvider?.getInstallPermission(enforce: false) ??
true)) {
@@ -432,7 +503,11 @@ class AppsProvider with ChangeNotifier {
// ignore: use_build_context_synchronously
await waitForUserToReturnToForeground(context);
}
await installApk(downloadedFile, silent: willBeSilent);
if (downloadedFile != null) {
await installApk(downloadedFile, silent: willBeSilent);
} else {
await installXApkDir(downloadedDir!, silent: willBeSilent);
}
installedIds.add(id);
} catch (e) {
errors.add(id, e.toString());