tane/apps/app_seeds/lib/di/injector.dart
vjrj d6781870d9 feat(backup): sealed backups + printable recovery sheet
'Save a backup' now writes a sealed .tanemaki file (AES-256-GCM under a
key HKDF-derived from the root seed; format TANEBK v1, open and stable).
Restoring on the same identity is silent; a copy sealed by another
identity asks for the printed recovery code (TANE1 base32, typo-tolerant)
and adopts that seed — recovering your bank recovers you. Legacy plain
exports still restore. Settings gains a recovery sheet (QR + code PDF).
BackupBox/RecoveryCode live in commons_core, pure Dart, TDD.
2026-07-09 22:32:13 +02:00

111 lines
4.3 KiB
Dart

import 'dart:io';
import 'package:commons_core/commons_core.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter/widgets.dart';
import 'package:get_it/get_it.dart';
import 'package:path/path.dart' as p;
import 'package:path_provider/path_provider.dart';
import '../data/species_catalog.dart';
import '../data/species_repository.dart';
import '../data/variety_repository.dart';
import '../db/database.dart';
import '../db/encrypted_executor.dart';
import '../i18n/strings.g.dart';
import '../security/secret_store.dart';
import '../security/secure_key_store.dart';
import '../services/export_import_service.dart';
import '../services/file_picker_file_service.dart';
import '../services/file_service.dart';
import '../services/ocr/label_text_extractor.dart';
import '../services/ocr/ocr_language.dart';
import '../services/ocr/tesseract_label_extractor.dart';
import '../services/onboarding_store.dart';
import '../services/recovery_sheet_service.dart';
import '../services/share_catalog_service.dart';
/// The app's service locator. Kept to the composition root — widgets get their
/// repositories from here (or via BlocProvider), never by reaching into it deep
/// in the tree.
final GetIt getIt = GetIt.instance;
/// Wires the encrypted DB, keystore and repositories. Call once from `main`
/// before `runApp`; the DB key must exist before the DB opens.
Future<void> configureDependencies() async {
final secretStore = FlutterSecretStore();
final keyStore = SecureKeyStore(store: secretStore);
final dbKeyHex = await keyStore.databaseKeyHex();
final rootSeedHex = await keyStore.rootSeedHex();
final database = AppDatabase(
openEncryptedExecutor(await _databaseFile(), dbKeyHex),
);
// Until real key derivation lands, the node/author id is a stable per-install
// slice of the root seed. It becomes the user's public key in the social layer.
final nodeId = rootSeedHex.substring(0, 16);
// Seed the bundled species catalog (idempotent) before the UI opens.
final speciesRepository = SpeciesRepository(database, idGen: IdGen());
await speciesRepository.seedBundled(await loadBundledSpecies());
final varietyRepository = VarietyRepository(
database,
idGen: IdGen(),
nodeId: nodeId,
);
const fileService = FilePickerFileService();
// OCR label suggestions only where a native Tesseract engine exists; every
// other platform (desktop, web) degrades to the no-op and hides the button.
// The language pack(s) follow the user's locale(s) — never a fixed region —
// limited to what we actually bundle, always unioned with the Latin baseline.
final LabelTextExtractor labelExtractor =
(Platform.isAndroid || Platform.isIOS)
? TesseractLabelExtractor(language: await _resolveOcrLanguage())
: const NoOpLabelTextExtractor();
getIt
..registerSingleton<SecureKeyStore>(keyStore)
..registerSingleton<AppDatabase>(database)
..registerSingleton<SpeciesRepository>(speciesRepository)
..registerSingleton<VarietyRepository>(varietyRepository)
..registerSingleton<FileService>(fileService)
..registerSingleton<LabelTextExtractor>(labelExtractor)
..registerSingleton<OnboardingStore>(OnboardingStore(secretStore))
..registerSingleton<ExportImportService>(
ExportImportService(
repository: varietyRepository,
files: fileService,
keys: keyStore,
),
)
..registerSingleton<ShareCatalogService>(
ShareCatalogService(files: fileService),
)
..registerSingleton<RecoverySheetService>(
RecoverySheetService(files: fileService),
);
}
Future<File> _databaseFile() async {
final dir = await getApplicationDocumentsDirectory();
return File(p.join(dir.path, 'tane_inventory.sqlite'));
}
/// Picks the Tesseract language pack(s) for the current locale(s), limited to
/// the bundled packs listed in `tessdata_config.json`. Prefers the app's chosen
/// language, then the device's ordered locales.
Future<String> _resolveOcrLanguage() async {
final available = parseAvailableOcrLanguages(
await rootBundle.loadString('assets/tessdata_config.json'),
);
final preferred = <String>[
LocaleSettings.currentLocale.languageCode,
for (final l in WidgetsBinding.instance.platformDispatcher.locales)
l.languageCode,
];
return resolveOcrLanguages(preferredLocales: preferred, available: available);
}