Update

lib/api/client.dart

@@ -1,19 +1,75 @@
+import 'dart:convert';
+import 'package:cryptography/cryptography.dart';
 import 'package:dio/dio.dart';
 import 'package:retrofit/retrofit.dart';
 import 'api_result.dart';
+import 'status.dart';
+import 'token.dart';
 import 'user.dart';
 
 part 'client.g.dart';
 
-@RestApi(parser: Parser.FlutterCompute)
+final _pbkdf2a = Pbkdf2(
+  macAlgorithm: Hmac.sha512(),
+  iterations: 210000,
+  bits: 512,
+);
+
+final _pbkdf2b = Pbkdf2(
+  macAlgorithm: Hmac.sha512(),
+  iterations: 1000,
+  bits: 512,
+);
+
+const _utf8Encoder = Utf8Encoder();
+final _salt = _utf8Encoder.convert("eh-downloader-salt");
+
+@RestApi()
 abstract class EHApi {
   factory EHApi(Dio dio, {String baseUrl}) = _EHApi;
 
+  @PUT('/user')
+  Future<ApiResult<int>> createUser(
+      @Query("name") String name, @Query("password") String password,
+      {@Query("is_admin") bool? isAdmin,
+      @Query("permissions") int? permissions});
   @GET('/user')
-  Future<ApiResult<BUser>> getUser();
-  @GET('/user')
-  Future<ApiResult<BUser>> getUserById(@Query("id") int id);
-  @GET('/user')
-  Future<ApiResult<BUser>> getUserByUsername(
-      @Query("username") String username);
+  Future<ApiResult<BUser>> getUser(
+      {@Query("id") int? id, @Query("username") String? username});
+
+  @GET('/status')
+  Future<ApiResult<ServerStatus>> getStatus();
+
+  @PUT('/token')
+  Future<ApiResult<Token>> _createToken(
+      {@Query("username") String username,
+      @Query("password") String password,
+      @Query("t") int t,
+      @Query("set_cookie") bool? setCookie,
+      @Query("http_only") bool? httpOnly,
+      @Query("secure") bool? secure});
+  Future<ApiResult<Token>> createToken(
+      {required String username,
+      required String password,
+      bool? setCookie,
+      bool? httpOnly,
+      bool? secure}) async {
+    int t = DateTime.now().millisecondsSinceEpoch;
+    final p =
+        await _pbkdf2a.deriveKeyFromPassword(password: password, nonce: _salt);
+    final p2 = await _pbkdf2b.deriveKey(
+        secretKey: p, nonce: _utf8Encoder.convert(t.toString()));
+    final p3 = base64Encode(await p2.extractBytes());
+    return await _createToken(
+        username: username,
+        password: p3,
+        t: t,
+        setCookie: setCookie,
+        httpOnly: httpOnly,
+        secure: secure);
+  }
+  @DELETE('/token')
+  Future<ApiResult<bool>> deleteToken({@Query("token") String? token});
+  @GET('/token')
+  Future<ApiResult<Token>> getToken({@Query("token") String? token});
 }

lib/api/client.g.dart

@@ -19,20 +19,98 @@ class _EHApi implements EHApi {
   String? baseUrl;
 
   @override
-  Future<ApiResult<BUser>> getUser() async {
+  Future<ApiResult<int>> createUser(
+    String name,
+    String password, {
+    bool? isAdmin,
+    int? permissions,
+  }) async {
+    const _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{
+      r'name': name,
+      r'password': password,
+      r'is_admin': isAdmin,
+      r'permissions': permissions,
+    };
+    queryParameters.removeWhere((k, v) => v == null);
+    final _headers = <String, dynamic>{};
+    final Map<String, dynamic>? _data = null;
+    final _result = await _dio
+        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<int>>(Options(
+      method: 'PUT',
+      headers: _headers,
+      extra: _extra,
+    )
+            .compose(
+              _dio.options,
+              '/user',
+              queryParameters: queryParameters,
+              data: _data,
+            )
+            .copyWith(
+                baseUrl: _combineBaseUrls(
+              _dio.options.baseUrl,
+              baseUrl,
+            ))));
+    final value = ApiResult<int>.fromJson(
+      _result.data!,
+      (json) => json as int,
+    );
+    return value;
+  }
+
+  @override
+  Future<ApiResult<BUser>> getUser({
+    int? id,
+    String? username,
+  }) async {
+    const _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{
+      r'id': id,
+      r'username': username,
+    };
+    queryParameters.removeWhere((k, v) => v == null);
+    final _headers = <String, dynamic>{};
+    final Map<String, dynamic>? _data = null;
+    final _result = await _dio
+        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<BUser>>(Options(
+      method: 'GET',
+      headers: _headers,
+      extra: _extra,
+    )
+            .compose(
+              _dio.options,
+              '/user',
+              queryParameters: queryParameters,
+              data: _data,
+            )
+            .copyWith(
+                baseUrl: _combineBaseUrls(
+              _dio.options.baseUrl,
+              baseUrl,
+            ))));
+    final value = ApiResult<BUser>.fromJson(
+      _result.data!,
+      (json) => BUser.fromJson(json as Map<String, dynamic>),
+    );
+    return value;
+  }
+
+  @override
+  Future<ApiResult<ServerStatus>> getStatus() async {
     const _extra = <String, dynamic>{};
     final queryParameters = <String, dynamic>{};
     final _headers = <String, dynamic>{};
     final Map<String, dynamic>? _data = null;
-    final _result = await _dio
-        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<BUser>>(Options(
+    final _result = await _dio.fetch<Map<String, dynamic>>(
+        _setStreamType<ApiResult<ServerStatus>>(Options(
       method: 'GET',
       headers: _headers,
       extra: _extra,
     )
             .compose(
               _dio.options,
-              '/user',
+              '/status',
               queryParameters: queryParameters,
               data: _data,
             )
@@ -41,25 +119,43 @@ class _EHApi implements EHApi {
               _dio.options.baseUrl,
               baseUrl,
             ))));
-    final value = await compute(deserializeApiResult<BUser>, _result.data!);
+    final value = ApiResult<ServerStatus>.fromJson(
+      _result.data!,
+      (json) => ServerStatus.fromJson(json as Map<String, dynamic>),
+    );
     return value;
   }
 
   @override
-  Future<ApiResult<BUser>> getUserById(int id) async {
+  Future<ApiResult<Token>> _createToken({
+    required String username,
+    required String password,
+    required int t,
+    bool? setCookie,
+    bool? httpOnly,
+    bool? secure,
+  }) async {
     const _extra = <String, dynamic>{};
-    final queryParameters = <String, dynamic>{r'id': id};
+    final queryParameters = <String, dynamic>{
+      r'username': username,
+      r'password': password,
+      r't': t,
+      r'set_cookie': setCookie,
+      r'http_only': httpOnly,
+      r'secure': secure,
+    };
+    queryParameters.removeWhere((k, v) => v == null);
     final _headers = <String, dynamic>{};
     final Map<String, dynamic>? _data = null;
     final _result = await _dio
-        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<BUser>>(Options(
-      method: 'GET',
+        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<Token>>(Options(
+      method: 'PUT',
       headers: _headers,
       extra: _extra,
     )
             .compose(
               _dio.options,
-              '/user',
+              '/token',
               queryParameters: queryParameters,
               data: _data,
             )
@@ -68,25 +164,29 @@ class _EHApi implements EHApi {
               _dio.options.baseUrl,
               baseUrl,
             ))));
-    final value = await compute(deserializeApiResult<BUser>, _result.data!);
+    final value = ApiResult<Token>.fromJson(
+      _result.data!,
+      (json) => Token.fromJson(json as Map<String, dynamic>),
+    );
     return value;
   }
 
   @override
-  Future<ApiResult<BUser>> getUserByUsername(String username) async {
+  Future<ApiResult<bool>> deleteToken({String? token}) async {
     const _extra = <String, dynamic>{};
-    final queryParameters = <String, dynamic>{r'username': username};
+    final queryParameters = <String, dynamic>{r'token': token};
+    queryParameters.removeWhere((k, v) => v == null);
     final _headers = <String, dynamic>{};
     final Map<String, dynamic>? _data = null;
     final _result = await _dio
-        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<BUser>>(Options(
-      method: 'GET',
+        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<bool>>(Options(
+      method: 'DELETE',
       headers: _headers,
       extra: _extra,
     )
             .compose(
               _dio.options,
-              '/user',
+              '/token',
               queryParameters: queryParameters,
               data: _data,
             )
@@ -95,7 +195,41 @@ class _EHApi implements EHApi {
               _dio.options.baseUrl,
               baseUrl,
             ))));
-    final value = await compute(deserializeApiResult<BUser>, _result.data!);
+    final value = ApiResult<bool>.fromJson(
+      _result.data!,
+      (json) => json as bool,
+    );
+    return value;
+  }
+
+  @override
+  Future<ApiResult<Token>> getToken({String? token}) async {
+    const _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{r'token': token};
+    queryParameters.removeWhere((k, v) => v == null);
+    final _headers = <String, dynamic>{};
+    final Map<String, dynamic>? _data = null;
+    final _result = await _dio
+        .fetch<Map<String, dynamic>>(_setStreamType<ApiResult<Token>>(Options(
+      method: 'GET',
+      headers: _headers,
+      extra: _extra,
+    )
+            .compose(
+              _dio.options,
+              '/token',
+              queryParameters: queryParameters,
+              data: _data,
+            )
+            .copyWith(
+                baseUrl: _combineBaseUrls(
+              _dio.options.baseUrl,
+              baseUrl,
+            ))));
+    final value = ApiResult<Token>.fromJson(
+      _result.data!,
+      (json) => Token.fromJson(json as Map<String, dynamic>),
+    );
     return value;
   }
 

lib/api/status.dart

@@ -0,0 +1,37 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'status.g.dart';
+
+@JsonSerializable()
+class MeilisearchInfo {
+  const MeilisearchInfo({
+    required this.host,
+    required this.key,
+  });
+  final String host;
+  final String key;
+  factory MeilisearchInfo.fromJson(Map<String, dynamic> json) => _$MeilisearchInfoFromJson(json);
+  Map<String, dynamic> toJson() => _$MeilisearchInfoToJson(this);
+}
+
+@JsonSerializable()
+class ServerStatus {
+  const ServerStatus({
+    required this.ffmpegApiEnabled,
+    required this.ffmpegBinaryEnabled,
+    required this.meilisearchEnabled,
+    this.meilisearch,
+    required this.noUser,
+  });
+  @JsonKey(name: 'ffmpeg_api_enabled')
+  final bool ffmpegApiEnabled;
+  @JsonKey(name: 'ffmpeg_binary_enabled')
+  final bool ffmpegBinaryEnabled;
+  @JsonKey(name: 'meilisearch_enabled')
+  final bool meilisearchEnabled;
+  final MeilisearchInfo? meilisearch;
+  @JsonKey(name: 'no_user')
+  final bool noUser;
+  factory ServerStatus.fromJson(Map<String, dynamic> json) => _$ServerStatusFromJson(json);
+  Map<String, dynamic> toJson() => _$ServerStatusToJson(this);
+}

lib/api/status.g.dart

@@ -0,0 +1,39 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'status.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+MeilisearchInfo _$MeilisearchInfoFromJson(Map<String, dynamic> json) =>
+    MeilisearchInfo(
+      host: json['host'] as String,
+      key: json['key'] as String,
+    );
+
+Map<String, dynamic> _$MeilisearchInfoToJson(MeilisearchInfo instance) =>
+    <String, dynamic>{
+      'host': instance.host,
+      'key': instance.key,
+    };
+
+ServerStatus _$ServerStatusFromJson(Map<String, dynamic> json) => ServerStatus(
+      ffmpegApiEnabled: json['ffmpeg_api_enabled'] as bool,
+      ffmpegBinaryEnabled: json['ffmpeg_binary_enabled'] as bool,
+      meilisearchEnabled: json['meilisearch_enabled'] as bool,
+      meilisearch: json['meilisearch'] == null
+          ? null
+          : MeilisearchInfo.fromJson(
+              json['meilisearch'] as Map<String, dynamic>),
+      noUser: json['no_user'] as bool,
+    );
+
+Map<String, dynamic> _$ServerStatusToJson(ServerStatus instance) =>
+    <String, dynamic>{
+      'ffmpeg_api_enabled': instance.ffmpegApiEnabled,
+      'ffmpeg_binary_enabled': instance.ffmpegBinaryEnabled,
+      'meilisearch_enabled': instance.meilisearchEnabled,
+      'meilisearch': instance.meilisearch,
+      'no_user': instance.noUser,
+    };

lib/api/token.dart

@@ -0,0 +1,27 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'token.g.dart';
+
+@JsonSerializable()
+class Token {
+  const Token ({
+    required this.id,
+    required this.uid,
+    required this.token,
+    required this.expired,
+    required this.httpOnly,
+    required this.secure,
+  });
+  final int id;
+  final int uid;
+  final String token;
+  @JsonKey(fromJson: _fromJson, toJson: _toJson)
+  final DateTime expired;
+  @JsonKey(name: 'http_only')
+  final bool httpOnly;
+  final bool secure;
+  static DateTime _fromJson(String d) => DateTime.parse(d);
+  static String _toJson(DateTime d) => d.toIso8601String();
+  factory Token.fromJson(Map<String, dynamic> json) => _$TokenFromJson(json);
+  Map<String, dynamic> toJson() => _$TokenToJson(this);
+}

lib/api/token.g.dart

@@ -0,0 +1,25 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'token.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Token _$TokenFromJson(Map<String, dynamic> json) => Token(
+      id: json['id'] as int,
+      uid: json['uid'] as int,
+      token: json['token'] as String,
+      expired: Token._fromJson(json['expired'] as String),
+      httpOnly: json['http_only'] as bool,
+      secure: json['secure'] as bool,
+    );
+
+Map<String, dynamic> _$TokenToJson(Token instance) => <String, dynamic>{
+      'id': instance.id,
+      'uid': instance.uid,
+      'token': instance.token,
+      'expired': Token._toJson(instance.expired),
+      'http_only': instance.httpOnly,
+      'secure': instance.secure,
+    };

lib/api/user.dart

@@ -18,12 +18,13 @@ class BUser {
   const BUser({
     required this.id,
     required this.username,
-    required this.is_admin,
+    required this.isAdmin,
     required this.permissions,
   });
   final int id;
   final String username;
-  final bool is_admin;
+  @JsonKey(name: 'is_admin')
+  final bool isAdmin;
   final UserPermission permissions;
   factory BUser.fromJson(Map<String, dynamic> json) => _$BUserFromJson(json);
   Map<String, dynamic> toJson() => _$BUserToJson(this);

lib/api/user.g.dart

@@ -9,14 +9,14 @@ part of 'user.dart';
 BUser _$BUserFromJson(Map<String, dynamic> json) => BUser(
       id: json['id'] as int,
       username: json['username'] as String,
-      is_admin: json['is_admin'] as bool,
+      isAdmin: json['is_admin'] as bool,
       permissions: $enumDecode(_$UserPermissionEnumMap, json['permissions']),
     );
 
 Map<String, dynamic> _$BUserToJson(BUser instance) => <String, dynamic>{
       'id': instance.id,
       'username': instance.username,
-      'is_admin': instance.is_admin,
+      'is_admin': instance.isAdmin,
       'permissions': _$UserPermissionEnumMap[instance.permissions]!,
     };
 

lib/globals.dart

@@ -4,9 +4,11 @@ import 'package:dio/dio.dart';
 import 'package:dio_cookie_manager/dio_cookie_manager.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'api/client.dart';
 
-final dio = Dio();
+final dio = Dio()..options.validateStatus = (int? _) {return true;};
 SharedPreferences? _prefs;
+EHApi? _api;
 
 Future<void> prepareJar() async {
   final Directory appDocDir = await getApplicationDocumentsDirectory();
@@ -27,3 +29,18 @@ SharedPreferences get prefs {
   }
   return _prefs!;
 }
+
+void initApi(String baseUrl) {
+  _api = EHApi(dio, baseUrl: baseUrl);
+}
+
+bool get apiInited {
+  return _api != null;
+}
+
+EHApi get api {
+  if (_api == null) {
+    throw Exception('EHApi not initialized');
+  }
+  return _api!;
+}

lib/home.dart

@@ -19,6 +19,7 @@ class HomePage extends HookWidget {
         });
         return;
       }
+      initApi(baseUrl);
       return;
     }, []);
     return const Scaffold(

lib/set_server.dart

@@ -1,4 +1,6 @@
 import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'globals.dart';
 
 class SetServerPage extends StatefulWidget {
   const SetServerPage({Key? key}) : super(key: key);
@@ -10,29 +12,92 @@ class SetServerPage extends StatefulWidget {
 }
 
 class _SetServerPageState extends State<SetServerPage> {
+  String _serverUrl = "";
+  String _apiPath = "/api/";
+  bool _isValid = false;
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  void initState() {
+    super.initState();
+    String? baseUrl = prefs.getString('baseUrl');
+    if (baseUrl != null) {
+      try {
+        Uri url = Uri.parse(baseUrl);
+        _serverUrl = url.origin;
+        _apiPath = url.path;
+        _isValid = true;
+      } catch (e) {
+        // Do nothing.
+      }
+    }
+  }
+
+  static bool _checkIsValid(String serverUrl, String apiPath) {
+    try {
+      Uri url = Uri.parse(serverUrl + apiPath);
+      return url.isAbsolute;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  void _serverUrlChanged(String value) {
+    bool isValid = _checkIsValid(value, _apiPath);
+    setState(() {
+      _serverUrl = value;
+      _isValid = isValid;
+    });
+  }
+
+  void _apiPathChanged(String value) {
+    bool isValid = _checkIsValid(_serverUrl, value);
+    setState(() {
+      _apiPath = value;
+      _isValid = isValid;
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: Center(
-          child: Column(
-        children: [
-          const Text('EH Downloader server url:'),
-          const TextField(
-            decoration: InputDecoration(
-              border: OutlineInputBorder(),
-              labelText: 'Server URL',
-            ),
-          ),
-          const Text('API path'),
-          TextField(
-            decoration: const InputDecoration(
-              border: OutlineInputBorder(),
-              labelText: 'API Path',
-            ),
-            controller: TextEditingController(text: "/api"),
-          ),
-        ],
-      )),
+      body: Container(
+          padding: const EdgeInsets.symmetric(horizontal: 100),
+          child: Form(
+              key: _formKey,
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Container(
+                      padding: const EdgeInsets.symmetric(vertical: 8),
+                      child: TextFormField(
+                        decoration: const InputDecoration(
+                          border: OutlineInputBorder(),
+                          labelText: 'EH Downloader Server URL',
+                        ),
+                        initialValue: _serverUrl,
+                        onChanged: _serverUrlChanged,
+                      )),
+                  Container(
+                      padding: const EdgeInsets.symmetric(vertical: 8),
+                      child: TextFormField(
+                        decoration: const InputDecoration(
+                          border: OutlineInputBorder(),
+                          labelText: 'API Path',
+                        ),
+                        initialValue: _apiPath,
+                        onChanged: _apiPathChanged,
+                      )),
+                  ElevatedButton(
+                      onPressed: _isValid
+                          ? () {
+                              prefs.setString('baseUrl', _serverUrl + _apiPath);
+                              context.go('/');
+                            }
+                          : null,
+                      child: const Text("Save")),
+                ],
+              ))),
     );
   }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,10 +5,12 @@
 import FlutterMacOS
 import Foundation
 
+import cryptography_flutter
 import path_provider_foundation
 import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  CryptographyFlutterPlugin.register(with: registry.registrar(forPlugin: "CryptographyFlutterPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

pubspec.lock

@@ -169,6 +169,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  cryptography:
+    dependency: "direct main"
+    description:
+      name: cryptography
+      sha256: df156c5109286340817d21fa7b62f9140f17915077127dd70f8bd7a2a0997a35
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.0"
+  cryptography_flutter:
+    dependency: "direct main"
+    description:
+      name: cryptography_flutter
+      sha256: a66ce021e0b600688c2d51b0594cb156ee677ce9bfbc981b62219ad577dd302e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   dart_style:
     dependency: transitive
     description:

pubspec.yaml

@@ -7,6 +7,8 @@ environment:
   sdk: '>=3.0.5 <4.0.0'
 
 dependencies:
+  cryptography: ^2.5.0
+  cryptography_flutter: ^2.3.0
   dio: ^5.3.2
   dio_cookie_manager: ^3.1.0+1
   flutter: