Files
paperless-mobile/lib/main.dart
2022-12-30 01:28:43 +01:00

456 lines
16 KiB
Dart

import 'dart:io';
import 'dart:math';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:encrypted_shared_preferences/encrypted_shared_preferences.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart' as cm;
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_native_splash/flutter_native_splash.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:form_builder_validators/form_builder_validators.dart';
import 'package:hive/hive.dart';
import 'package:hydrated_bloc/hydrated_bloc.dart';
import 'package:intl/date_symbol_data_local.dart';
import 'package:intl/intl_standalone.dart';
import 'package:local_auth/local_auth.dart';
import 'package:paperless_api/paperless_api.dart';
import 'package:paperless_mobile/core/bloc/bloc_changes_observer.dart';
import 'package:paperless_mobile/core/bloc/connectivity_cubit.dart';
import 'package:paperless_mobile/core/bloc/paperless_server_information_cubit.dart';
import 'package:paperless_mobile/core/global/constants.dart';
import 'package:paperless_mobile/core/interceptor/dio_http_error_interceptor.dart';
import 'package:paperless_mobile/core/interceptor/language_header.interceptor.dart';
import 'package:paperless_mobile/core/interceptor/retry_on_connection_change_interceptor.dart';
import 'package:paperless_mobile/core/logic/error_code_localization_mapper.dart';
import 'package:paperless_mobile/core/repository/impl/correspondent_repository_impl.dart';
import 'package:paperless_mobile/core/repository/impl/document_type_repository_impl.dart';
import 'package:paperless_mobile/core/repository/impl/saved_view_repository_impl.dart';
import 'package:paperless_mobile/core/repository/impl/storage_path_repository_impl.dart';
import 'package:paperless_mobile/core/repository/impl/tag_repository_impl.dart';
import 'package:paperless_mobile/core/repository/label_repository.dart';
import 'package:paperless_mobile/core/repository/saved_view_repository.dart';
import 'package:paperless_mobile/core/security/authentication_aware_dio_manager.dart';
import 'package:paperless_mobile/core/service/connectivity_status.service.dart';
import 'package:paperless_mobile/core/service/dio_file_service.dart';
import 'package:paperless_mobile/core/service/file_service.dart';
import 'package:paperless_mobile/core/store/local_vault.dart';
import 'package:paperless_mobile/extensions/flutter_extensions.dart';
import 'package:paperless_mobile/features/app_intro/application_intro_slideshow.dart';
import 'package:paperless_mobile/features/document_upload/cubit/document_upload_cubit.dart';
import 'package:paperless_mobile/features/document_upload/view/document_upload_preparation_page.dart';
import 'package:paperless_mobile/features/home/view/home_page.dart';
import 'package:paperless_mobile/features/login/bloc/authentication_cubit.dart';
import 'package:paperless_mobile/features/login/bloc/authentication_state.dart';
import 'package:paperless_mobile/features/login/services/authentication_service.dart';
import 'package:paperless_mobile/features/login/view/login_page.dart';
import 'package:paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
import 'package:paperless_mobile/features/settings/model/application_settings_state.dart';
import 'package:paperless_mobile/generated/l10n.dart';
import 'package:paperless_mobile/util.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
import 'package:receive_sharing_intent/receive_sharing_intent.dart';
import 'package:pretty_dio_logger/pretty_dio_logger.dart';
void main() async {
Bloc.observer = BlocChangesObserver();
final widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
await findSystemLocale();
// Initialize External dependencies
final connectivity = Connectivity();
final encryptedSharedPreferences = EncryptedSharedPreferences();
final localAuthentication = LocalAuthentication();
// Initialize other utility classes
final connectivityStatusService = ConnectivityStatusServiceImpl(connectivity);
final localVault = LocalVaultImpl(encryptedSharedPreferences);
final localAuthService =
LocalAuthenticationService(localVault, localAuthentication);
final hiveDir = await getApplicationDocumentsDirectory();
HydratedBloc.storage = await HydratedStorage.build(
storageDirectory: hiveDir,
);
final appSettingsCubit = ApplicationSettingsCubit(localAuthService);
FlutterNativeSplash.preserve(widgetsBinding: widgetsBinding);
final languageHeaderInterceptor = LanguageHeaderInterceptor(
appSettingsCubit.state.preferredLocaleSubtag,
);
// Required for self signed client certificates
final dioWrapper = AuthenticationAwareDioManager([
DioHttpErrorInterceptor(),
PrettyDioLogger(
compact: true,
responseBody: false,
responseHeader: false,
request: false,
requestBody: false,
requestHeader: false,
),
languageHeaderInterceptor,
]);
// Initialize Paperless APIs
final authApi = PaperlessAuthenticationApiImpl(dioWrapper.client);
final documentsApi = PaperlessDocumentsApiImpl(dioWrapper.client);
final labelsApi = PaperlessLabelApiImpl(dioWrapper.client);
final statsApi = PaperlessServerStatsApiImpl(dioWrapper.client);
final savedViewsApi = PaperlessSavedViewsApiImpl(dioWrapper.client);
// Initialize Blocs/Cubits
final connectivityCubit = ConnectivityCubit(connectivityStatusService);
// Remove temporarily downloaded files.
(await FileService.temporaryDirectory).deleteSync(recursive: true);
// Load application settings and stored authentication data
await connectivityCubit.initialize();
// Create repositories
final tagRepository = TagRepositoryImpl(labelsApi);
final correspondentRepository = CorrespondentRepositoryImpl(labelsApi);
final documentTypeRepository = DocumentTypeRepositoryImpl(labelsApi);
final storagePathRepository = StoragePathRepositoryImpl(labelsApi);
final savedViewRepository = SavedViewRepositoryImpl(savedViewsApi);
//Create cubits/blocs
final authCubit = AuthenticationCubit(
localAuthService,
authApi,
dioWrapper,
);
await authCubit
.restoreSessionState(appSettingsCubit.state.isLocalAuthenticationEnabled);
if (authCubit.state.isAuthenticated) {
final auth = authCubit.state.authentication!;
dioWrapper.updateSettings(
baseUrl: auth.serverUrl,
authToken: auth.token,
clientCertificate: auth.clientCertificate,
);
}
//Update language header in interceptor on language change.
appSettingsCubit.stream.listen((event) => languageHeaderInterceptor
.preferredLocaleSubtag = event.preferredLocaleSubtag);
runApp(
MultiProvider(
providers: [
Provider<PaperlessAuthenticationApi>.value(value: authApi),
Provider<PaperlessDocumentsApi>.value(value: documentsApi),
Provider<PaperlessLabelsApi>.value(value: labelsApi),
Provider<PaperlessServerStatsApi>.value(value: statsApi),
Provider<PaperlessSavedViewsApi>.value(value: savedViewsApi),
Provider<cm.CacheManager>(
create: (context) => cm.CacheManager(
cm.Config(
'cacheKey',
fileService: DioFileService(dioWrapper.client),
),
),
),
Provider<LocalVault>.value(value: localVault),
Provider<ConnectivityStatusService>.value(
value: connectivityStatusService,
),
],
child: MultiRepositoryProvider(
providers: [
RepositoryProvider<LabelRepository<Tag>>.value(
value: tagRepository,
),
RepositoryProvider<LabelRepository<Correspondent>>.value(
value: correspondentRepository,
),
RepositoryProvider<LabelRepository<DocumentType>>.value(
value: documentTypeRepository,
),
RepositoryProvider<LabelRepository<StoragePath>>.value(
value: storagePathRepository,
),
RepositoryProvider<SavedViewRepository>.value(
value: savedViewRepository,
),
],
child: MultiBlocProvider(
providers: [
BlocProvider<AuthenticationCubit>.value(value: authCubit),
BlocProvider<ConnectivityCubit>.value(value: connectivityCubit),
BlocProvider<ApplicationSettingsCubit>.value(
value: appSettingsCubit),
],
child: const PaperlessMobileEntrypoint(),
),
),
),
);
}
class PaperlessMobileEntrypoint extends StatefulWidget {
const PaperlessMobileEntrypoint({
Key? key,
}) : super(key: key);
@override
State<PaperlessMobileEntrypoint> createState() =>
_PaperlessMobileEntrypointState();
}
class _PaperlessMobileEntrypointState extends State<PaperlessMobileEntrypoint> {
final _lightTheme = ThemeData(
brightness: Brightness.light,
useMaterial3: true,
colorSchemeSeed: Colors.lightGreen,
appBarTheme: const AppBarTheme(
scrolledUnderElevation: 0.0,
),
inputDecorationTheme: InputDecorationTheme(
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(16),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 16.0,
),
),
chipTheme: ChipThemeData(
backgroundColor: Colors.lightGreen[50],
),
);
final _darkTheme = ThemeData(
brightness: Brightness.dark,
useMaterial3: true,
colorSchemeSeed: Colors.lightGreen,
appBarTheme: const AppBarTheme(
scrolledUnderElevation: 0.0,
),
inputDecorationTheme: InputDecorationTheme(
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(16),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16.0,
vertical: 16.0,
),
),
chipTheme: ChipThemeData(
backgroundColor: Colors.green[900],
),
);
@override
Widget build(BuildContext context) {
return MultiBlocProvider(
providers: [
BlocProvider(
create: (context) => PaperlessServerInformationCubit(context.read()),
),
],
child: BlocBuilder<ApplicationSettingsCubit, ApplicationSettingsState>(
builder: (context, settings) {
return MaterialApp(
debugShowCheckedModeBanner: true,
title: "Paperless Mobile",
theme: _lightTheme.copyWith(
listTileTheme: _lightTheme.listTileTheme
.copyWith(tileColor: Colors.transparent),
),
darkTheme: _darkTheme.copyWith(
listTileTheme: _darkTheme.listTileTheme
.copyWith(tileColor: Colors.transparent),
),
themeMode: settings.preferredThemeMode,
supportedLocales: S.delegate.supportedLocales,
locale: Locale.fromSubtags(
languageCode: settings.preferredLocaleSubtag,
),
localizationsDelegates: const [
S.delegate,
GlobalMaterialLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
FormBuilderLocalizations.delegate,
],
home: const AuthenticationWrapper(),
);
},
),
);
}
}
class AuthenticationWrapper extends StatefulWidget {
const AuthenticationWrapper({Key? key}) : super(key: key);
@override
State<AuthenticationWrapper> createState() => _AuthenticationWrapperState();
}
class _AuthenticationWrapperState extends State<AuthenticationWrapper> {
bool isFileTypeSupported(SharedMediaFile file) {
return supportedFileExtensions.contains(
file.path.split('.').last.toLowerCase(),
);
}
void handleReceivedFiles(List<SharedMediaFile> files) async {
if (files.isEmpty) {
return;
}
late final SharedMediaFile file;
if (Platform.isIOS) {
// Workaround for file not found on iOS: https://stackoverflow.com/a/72813212
file = SharedMediaFile(
files.first.path.replaceAll('file://', ''),
files.first.thumbnail,
files.first.duration,
files.first.type,
);
} else {
file = files.first;
}
if (!isFileTypeSupported(file)) {
Fluttertoast.showToast(
msg: translateError(context, ErrorCode.unsupportedFileFormat),
);
if (Platform.isAndroid) {
// As stated in the docs, SystemNavigator.pop() is ignored on IOS to comply with HCI guidelines.
await SystemNavigator.pop();
}
return;
}
final filename = extractFilenameFromPath(file.path);
final bytes = File(file.path).readAsBytesSync();
final success = await Navigator.push(
context,
MaterialPageRoute(
builder: (context) => BlocProvider.value(
value: DocumentUploadCubit(
localVault: context.read(),
documentApi: context.read(),
tagRepository: context.read(),
correspondentRepository: context.read(),
documentTypeRepository: context.read(),
),
child: DocumentUploadPreparationPage(
fileBytes: bytes,
filename: filename,
),
),
),
);
if (success) {
SystemNavigator.pop();
}
}
@override
void didChangeDependencies() {
FlutterNativeSplash.remove();
super.didChangeDependencies();
}
@override
void initState() {
super.initState();
initializeDateFormatting();
// For sharing files coming from outside the app while the app is still opened
ReceiveSharingIntent.getMediaStream().listen(handleReceivedFiles);
// For sharing files coming from outside the app while the app is closed
ReceiveSharingIntent.getInitialMedia().then(handleReceivedFiles);
}
@override
Widget build(BuildContext context) {
return SafeArea(
top: true,
left: false,
right: false,
bottom: false,
child: BlocConsumer<AuthenticationCubit, AuthenticationState>(
listener: (context, authState) {
final bool showIntroSlider =
authState.isAuthenticated && !authState.wasLoginStored;
if (showIntroSlider) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const ApplicationIntroSlideshow(),
fullscreenDialog: true,
),
);
}
},
builder: (context, authentication) {
if (authentication.isAuthenticated &&
(authentication.wasLocalAuthenticationSuccessful ?? true)) {
return const HomePage();
} else {
if (authentication.wasLoginStored &&
!(authentication.wasLocalAuthenticationSuccessful ?? false)) {
return const BiometricAuthenticationPage();
}
return const LoginPage();
}
},
),
);
}
}
class BiometricAuthenticationPage extends StatelessWidget {
const BiometricAuthenticationPage({super.key});
@override
Widget build(BuildContext context) {
return Material(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"The app is locked!",
style: Theme.of(context).textTheme.titleLarge,
),
Text(
"You can now either try to authenticate again or disconnect from the current server.",
textAlign: TextAlign.center,
style: Theme.of(context).textTheme.bodySmall,
).padded(),
const SizedBox(height: 48),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
ElevatedButton(
onPressed: () {
context.read<AuthenticationCubit>().logout();
context.read();
HydratedBloc.storage.clear();
},
child: const Text("Log out"),
),
ElevatedButton(
onPressed: () => context
.read<AuthenticationCubit>()
.restoreSessionState(context
.read<ApplicationSettingsCubit>()
.state
.isLocalAuthenticationEnabled),
child: const Text("Authenticate"),
),
],
),
],
),
);
}
}