Files
umbrix/lib/features/profile/data/profile_repository.dart
2024-07-26 13:34:49 +02:00

431 lines
14 KiB
Dart

import 'dart:io';
import 'package:dio/dio.dart';
import 'package:drift/drift.dart';
import 'package:fpdart/fpdart.dart';
import 'package:hiddify/core/database/app_database.dart';
import 'package:hiddify/core/http_client/dio_http_client.dart';
import 'package:hiddify/core/utils/exception_handler.dart';
import 'package:hiddify/features/profile/data/profile_data_mapper.dart';
import 'package:hiddify/features/profile/data/profile_data_source.dart';
import 'package:hiddify/features/profile/data/profile_parser.dart';
import 'package:hiddify/features/profile/data/profile_path_resolver.dart';
import 'package:hiddify/features/profile/model/profile_entity.dart';
import 'package:hiddify/features/profile/model/profile_failure.dart';
import 'package:hiddify/features/profile/model/profile_sort_enum.dart';
import 'package:hiddify/singbox/service/singbox_service.dart';
import 'package:hiddify/utils/custom_loggers.dart';
import 'package:hiddify/utils/link_parsers.dart';
import 'package:meta/meta.dart';
import 'package:uuid/uuid.dart';
abstract interface class ProfileRepository {
TaskEither<ProfileFailure, Unit> init();
TaskEither<ProfileFailure, ProfileEntity?> getById(String id);
Future<ProfileEntity?> getByName(String name);
Stream<Either<ProfileFailure, ProfileEntity?>> watchActiveProfile();
Stream<Either<ProfileFailure, bool>> watchHasAnyProfile();
Stream<Either<ProfileFailure, List<ProfileEntity>>> watchAll({
ProfilesSort sort = ProfilesSort.lastUpdate,
SortMode sortMode = SortMode.ascending,
});
TaskEither<ProfileFailure, Unit> addByUrl(
String url, {
bool markAsActive = false,
CancelToken? cancelToken,
});
TaskEither<ProfileFailure, Unit> addByContent(
String content, {
required String name,
bool markAsActive = false,
});
TaskEither<ProfileFailure, Unit> add(
RemoteProfileEntity baseProfile, {
CancelToken? cancelToken,
});
TaskEither<ProfileFailure, String> generateConfig(String id);
/// using [patchBaseProfile] name, url, etc will also be patched (useful when editing with a new url)
TaskEither<ProfileFailure, Unit> updateSubscription(
RemoteProfileEntity baseProfile, {
bool patchBaseProfile = false,
CancelToken? cancelToken,
});
TaskEither<ProfileFailure, Unit> patch(ProfileEntity profile);
TaskEither<ProfileFailure, Unit> setAsActive(String id);
TaskEither<ProfileFailure, Unit> deleteById(String id);
}
class ProfileRepositoryImpl with ExceptionHandler, InfraLogger implements ProfileRepository {
ProfileRepositoryImpl({
required this.profileDataSource,
required this.profilePathResolver,
required this.singbox,
required this.httpClient,
});
final ProfileDataSource profileDataSource;
final ProfilePathResolver profilePathResolver;
final SingboxService singbox;
final DioHttpClient httpClient;
@override
TaskEither<ProfileFailure, Unit> init() {
return exceptionHandler(
() async {
if (!await profilePathResolver.directory.exists()) {
await profilePathResolver.directory.create(recursive: true);
}
return right(unit);
},
ProfileUnexpectedFailure.new,
);
}
@override
TaskEither<ProfileFailure, ProfileEntity?> getById(String id) {
return TaskEither.tryCatch(
() => profileDataSource.getById(id).then((value) => value?.toEntity()),
ProfileUnexpectedFailure.new,
);
}
@override
Future<ProfileEntity?> getByName(String name) async {
return (await profileDataSource.getByName(name))?.toEntity();
}
@override
Stream<Either<ProfileFailure, ProfileEntity?>> watchActiveProfile() {
return profileDataSource.watchActiveProfile().map((event) => event?.toEntity()).handleExceptions(
(error, stackTrace) {
loggy.error("error watching active profile", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@override
Stream<Either<ProfileFailure, bool>> watchHasAnyProfile() {
return profileDataSource.watchProfilesCount().map((event) => event != 0).handleExceptions(ProfileUnexpectedFailure.new);
}
@override
Stream<Either<ProfileFailure, List<ProfileEntity>>> watchAll({
ProfilesSort sort = ProfilesSort.lastUpdate,
SortMode sortMode = SortMode.ascending,
}) {
return profileDataSource.watchAll(sort: sort, sortMode: sortMode).map((event) => event.map((e) => e.toEntity()).toList()).handleExceptions(ProfileUnexpectedFailure.new);
}
@override
TaskEither<ProfileFailure, Unit> addByUrl(
String url, {
bool markAsActive = false,
CancelToken? cancelToken,
}) {
return exceptionHandler(
() async {
final existingProfile = await profileDataSource.getByUrl(url).then((value) => value?.toEntity());
if (existingProfile case RemoteProfileEntity()) {
loggy.info("profile with same url already exists, updating");
final baseProfile = markAsActive ? existingProfile.copyWith(active: true) : existingProfile;
return updateSubscription(
baseProfile,
cancelToken: cancelToken,
).run();
}
final profileId = const Uuid().v4();
return fetch(url, profileId, cancelToken: cancelToken)
.flatMap(
(profile) => TaskEither(
() async {
await profileDataSource.insert(
profile.copyWith(id: profileId, active: markAsActive).toEntry(),
);
return right(unit);
},
),
)
.run();
},
(error, stackTrace) {
loggy.warning("error adding profile by url", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@visibleForTesting
TaskEither<ProfileFailure, Unit> validateConfig(
String path,
String tempPath,
bool debug,
) {
return exceptionHandler(
() {
return singbox.validateConfigByPath(path, tempPath, debug).mapLeft(ProfileFailure.invalidConfig).run();
},
ProfileUnexpectedFailure.new,
);
}
@override
TaskEither<ProfileFailure, Unit> addByContent(
String content, {
required String name,
bool markAsActive = false,
}) {
return exceptionHandler(
() async {
final profileId = const Uuid().v4();
final file = profilePathResolver.file(profileId);
final tempFile = profilePathResolver.tempFile(profileId);
try {
await tempFile.writeAsString(content);
return await validateConfig(file.path, tempFile.path, false)
.andThen(
() => TaskEither(() async {
final profile = LocalProfileEntity(
id: profileId,
active: markAsActive,
name: name,
lastUpdate: DateTime.now(),
);
await profileDataSource.insert(profile.toEntry());
return right(unit);
}),
)
.run();
} finally {
if (tempFile.existsSync()) tempFile.deleteSync();
}
},
(error, stackTrace) {
loggy.warning("error adding profile by content", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@override
TaskEither<ProfileFailure, Unit> add(
RemoteProfileEntity baseProfile, {
CancelToken? cancelToken,
}) {
return exceptionHandler(
() async {
return fetch(baseProfile.url, baseProfile.id, cancelToken: cancelToken)
.flatMap(
(remoteProfile) => TaskEither(() async {
await profileDataSource.insert(
baseProfile
.copyWith(
subInfo: remoteProfile.subInfo,
lastUpdate: DateTime.now(),
)
.toEntry(),
);
return right(unit);
}),
)
.run();
},
(error, stackTrace) {
loggy.warning("error adding profile", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@override
TaskEither<ProfileFailure, String> generateConfig(String id) {
return TaskEither<ProfileFailure, String>.Do(
($) async {
final configFile = profilePathResolver.file(id);
// TODO pass options
return await $(
singbox.generateFullConfigByPath(configFile.path).mapLeft(ProfileFailure.unexpected),
);
},
).handleExceptions(ProfileFailure.unexpected);
}
@override
TaskEither<ProfileFailure, Unit> updateSubscription(
RemoteProfileEntity baseProfile, {
bool patchBaseProfile = false,
CancelToken? cancelToken,
}) {
return exceptionHandler(
() async {
loggy.debug(
"updating profile [${baseProfile.name} (${baseProfile.id})]",
);
return fetch(baseProfile.url, baseProfile.id, cancelToken: cancelToken)
.flatMap(
(remoteProfile) => TaskEither(
() async {
final profilePatch = remoteProfile.subInfoPatch().copyWith(lastUpdate: Value(DateTime.now()), active: Value(baseProfile.active));
await profileDataSource.edit(
baseProfile.id,
patchBaseProfile
? profilePatch.copyWith(
name: Value(baseProfile.name),
url: Value(baseProfile.url),
updateInterval: Value(baseProfile.options?.updateInterval),
)
: profilePatch,
);
return right(unit);
},
),
)
.run();
},
(error, stackTrace) {
loggy.warning("error updating profile", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@override
TaskEither<ProfileFailure, Unit> patch(ProfileEntity profile) {
return exceptionHandler(
() async {
loggy.debug(
"editing profile [${profile.name} (${profile.id})]",
);
await profileDataSource.edit(profile.id, profile.toEntry());
return right(unit);
},
(error, stackTrace) {
loggy.warning("error editing profile", error, stackTrace);
return ProfileUnexpectedFailure(error, stackTrace);
},
);
}
@override
TaskEither<ProfileFailure, Unit> setAsActive(String id) {
return TaskEither.tryCatch(
() async {
await profileDataSource.edit(
id,
const ProfileEntriesCompanion(active: Value(true)),
);
return unit;
},
ProfileUnexpectedFailure.new,
);
}
@override
TaskEither<ProfileFailure, Unit> deleteById(String id) {
return TaskEither.tryCatch(
() async {
await profileDataSource.deleteById(id);
await profilePathResolver.file(id).delete();
return unit;
},
ProfileUnexpectedFailure.new,
);
}
static final _subInfoHeaders = [
'profile-title',
'content-disposition',
'subscription-userinfo',
'profile-update-interval',
'support-url',
'profile-web-page-url',
];
@visibleForTesting
TaskEither<ProfileFailure, RemoteProfileEntity> fetch(
String url,
String fileName, {
CancelToken? cancelToken,
}) {
return TaskEither(
() async {
final file = profilePathResolver.file(fileName);
final tempFile = profilePathResolver.tempFile(fileName);
try {
final response = await httpClient.download(
url.trim(),
tempFile.path,
cancelToken: cancelToken,
);
final headers = await _populateHeaders(response.headers.map, tempFile.path);
return await validateConfig(file.path, tempFile.path, false)
.andThen(
() => TaskEither(() async {
final profile = ProfileParser.parse(url, headers);
return right(profile);
}),
)
.run();
} finally {
if (tempFile.existsSync()) tempFile.deleteSync();
}
},
);
}
Future<Map<String, List<String>>> _populateHeaders(
Map<String, List<String>> headers,
String path,
) async {
var headersFound = 0;
for (final key in _subInfoHeaders) {
if (headers.containsKey(key)) headersFound++;
}
if (headersFound >= 4) return headers;
loggy.debug(
"only [$headersFound] headers found, checking file content for possible information",
);
final content = await File(path).readAsString();
final contentHeaders = parseHeadersFromContent(content);
for (final entry in contentHeaders.entries) {
if (!headers.keys.contains(entry.key) && entry.value.isNotEmpty) {
headers[entry.key] = entry.value;
}
}
return headers;
}
static Map<String, List<String>> parseHeadersFromContent(String content) {
final headers = <String, List<String>>{};
final content_ = safeDecodeBase64(content);
final lines = content_.split("\n");
final linesToProcess = lines.length < 10 ? lines.length : 10;
for (int i = 0; i < linesToProcess; i++) {
final line = lines[i];
if (line.startsWith("#") || line.startsWith("//")) {
final index = line.indexOf(':');
if (index == -1) continue;
final key = line.substring(0, index).replaceFirst(RegExp("^#|//"), "").trim().toLowerCase();
final value = line.substring(index + 1).trim();
if (!headers.keys.contains(key) && _subInfoHeaders.contains(key) && value.isNotEmpty) {
headers[key] = [value];
}
}
}
return headers;
}
}