[flutter_example_packages] Add crypto, flutter_secure_storage

2 years ago · fc6c82838f
11 changed files with 337 additions and 21 deletions
--- a/example/lib/l10n/app_en.arb
+++ b/example/lib/l10n/app_en.arb
@ -61,8 +61,14 @@
  "flutterLocalNotificationsBtn": "Send",

  "@_FLUTTER_SECURE_STORAGE": {},
-  "flutterSecureStorageTitle": "Title",
-  "flutterSecureStorageDesc": "Desc",
+  "flutterSecureStorageSuccess": "Data saved successfully",
+  "flutterSecureStorageTitleSave": "Save value",
+  "flutterSecureStorageTitleGet": "Get value",
+  "flutterSecureStorageFieldPass": "Password",
+  "flutterSecureStorageFieldKey": "Key",
+  "flutterSecureStorageFieldValue": "Value",
+  "flutterSecureStorageBtnSave": "Save value",
+  "flutterSecureStorageBtnGet": "Get value",

  "@_PACKAGE_INFO_PLUS": {},
  "packageInfoPlusTitlePackageName": "Package",
--- a/example/lib/l10n/app_ru.arb
+++ b/example/lib/l10n/app_ru.arb
@ -61,8 +61,14 @@
  "flutterLocalNotificationsBtn": "Отправить",

  "@_FLUTTER_SECURE_STORAGE": {},
-  "flutterSecureStorageTitle": "Заголовок",
-  "flutterSecureStorageDesc": "Описание",
+  "flutterSecureStorageSuccess": "Данные успешно сохранены",
+  "flutterSecureStorageTitleSave": "Сохранить значение",
+  "flutterSecureStorageTitleGet": "Получить значение",
+  "flutterSecureStorageFieldPass": "Пароль",
+  "flutterSecureStorageFieldKey": "Ключ",
+  "flutterSecureStorageFieldValue": "Значение",
+  "flutterSecureStorageBtnSave": "Сохранить значение",
+  "flutterSecureStorageBtnGet": "Получить значение",

  "@_PACKAGE_INFO_PLUS": {},
  "packageInfoPlusTitlePackageName": "Пакет",
--- a/example/lib/packages/crypto/package.dart
+++ b/example/lib/packages/crypto/package.dart
@ -0,0 +1,22 @@
+import 'package:flutter_example_packages/base/package/package_dialog.dart';
+
+/// Package values
+final packageCrypto = PackageDialog(
+  key: 'crypto',
+  descEN: '''
+    A set of cryptographic hashing functions for Dart.
+    ''',
+  descRU: '''
+    Набор криптографических функций хеширования для Dart.
+    ''',
+  messageEN: '''
+  This is a platform independent plugin used in this app, should work 
+  for you too.
+  ''',
+  messageRU: '''
+  Это плагин независимый от платформы, используется в этом приложении, 
+  должен работать и у вас.
+  ''',
+  version: '3.0.2',
+  isPlatformDependent: false,
+);
--- a/example/lib/packages/flutter_local_notifications/page.dart
+++ b/example/lib/packages/flutter_local_notifications/page.dart
@ -53,7 +53,7 @@ class _FlutterLocalNotificationsPageState
                          hintText: l10n.flutterLocalNotificationsHintTitle,
                        ),
                      ),
-                      const SizedBox(height: 18),
+                      const SizedBox(height: 16),
                      TextField(
                        controller: _bodyController,
                        decoration: InputDecoration(
--- a/example/lib/packages/flutter_secure_storage/model.dart
+++ b/example/lib/packages/flutter_secure_storage/model.dart
@ -1,10 +1,18 @@
+import 'dart:convert';
+
+import 'package:crypto/crypto.dart';
 import 'package:flutter/widgets.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:flutter_secure_storage_aurora/flutter_secure_storage_aurora.dart';
 import 'package:scoped_model/scoped_model.dart';

 /// Model for [FlutterSecureStoragePage]
 class FlutterSecureStorageModel extends Model {
  /// Get [ScopedModel]
-  static FlutterSecureStorageModel of(BuildContext context) => ScopedModel.of<FlutterSecureStorageModel>(context);
+  static FlutterSecureStorageModel of(BuildContext context) =>
+      ScopedModel.of<FlutterSecureStorageModel>(context);
+
+  final _secureStorage = const FlutterSecureStorage();

  /// Error
  String? _error;
@ -14,4 +22,84 @@ class FlutterSecureStorageModel extends Model {

  /// Public is error
  bool get isError => _error != null;
-}
+
+  /// Save success
+  bool _isSuccess = false;
+
+  /// Public success
+  bool get isSuccess => _isSuccess;
+
+  /// Value for read form secure storage
+  String _readValue = "";
+
+  /// Public read value
+  String get readValue => _readValue;
+
+  // Get data from secure storage
+  Future<void> read({
+    required String key,
+    required String password,
+  }) async {
+    try {
+      // Update secret key
+      _updateByPassword(password);
+      // Read data
+      _readValue = await _secureStorage.read(key: key) ?? "Not found";
+    } catch (e) {
+      _readValue = "Error password";
+    }
+    notifyListeners();
+  }
+
+  // Write new data in secure storage
+  Future<void> write({
+    required String key,
+    required String value,
+    required String password,
+  }) async {
+    try {
+      // Update secret key
+      _updateByPassword(password);
+      // Clear old data
+      await _secureStorage.deleteAll();
+      // Save new data
+      await _secureStorage.write(key: key, value: value);
+      // Show success
+      _isSuccess = true;
+      // Close success
+      Future.delayed(const Duration(milliseconds: 1500), () {
+        _isSuccess = false;
+        notifyListeners();
+      });
+    } catch (e) {
+      _error = e.toString();
+    }
+    notifyListeners();
+  }
+
+  /// Update password
+  void _updateByPassword(
+    String password,
+  ) {
+    // https://pub.dev/packages/encrypt
+    // Encrypter(AES(key))
+    // secure-random --length 16 --base 16
+    // You can generate a secret key based on user data, as an example of a hash pin-code
+    FlutterSecureStorageAurora.setSecret(
+      _getPasswordFromString(password),
+    );
+  }
+
+  /// Generate secure key 32 length from string password
+  String _getPasswordFromString(
+    String password,
+  ) {
+    return md5.convert(utf8.encode(password)).toString();
+  }
+
+  /// Clear value if change values
+  void clearReadValue() {
+    _readValue = "";
+    notifyListeners();
+  }
+}
--- a/example/lib/packages/flutter_secure_storage/page.dart
+++ b/example/lib/packages/flutter_secure_storage/page.dart
@ -5,8 +5,8 @@ import 'package:flutter_example_packages/packages/flutter_secure_storage/package
 import 'package:flutter_example_packages/widgets/base/export.dart';
 import 'package:flutter_example_packages/widgets/blocks/block_alert.dart';
 import 'package:flutter_example_packages/widgets/blocks/block_info_package.dart';
-import 'package:flutter_example_packages/widgets/blocks/block_item.dart';
 import 'package:flutter_example_packages/widgets/layouts/block_layout.dart';
+import 'package:flutter_example_packages/widgets/texts/export.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';

 class FlutterSecureStoragePage extends AppStatefulWidget {
@ -23,6 +23,31 @@ class FlutterSecureStoragePage extends AppStatefulWidget {

 class _FlutterSecureStoragePageState
    extends AppState<FlutterSecureStoragePage> {
+  bool _isValidSave = false;
+  final TextEditingController _passSaveController = TextEditingController();
+  final TextEditingController _keySaveController = TextEditingController();
+  final TextEditingController _valueSaveController = TextEditingController();
+
+  bool _isValidGet = false;
+  final TextEditingController _passGetController = TextEditingController();
+  final TextEditingController _keyGetController = TextEditingController();
+  final TextEditingController _valueGetController = TextEditingController();
+
+  void _validateSave() {
+    setState(() {
+      _isValidSave = _passSaveController.text.isNotEmpty &&
+          _keySaveController.text.isNotEmpty &&
+          _valueSaveController.text.isNotEmpty;
+    });
+  }
+
+  void _validateGet() {
+    setState(() {
+      _isValidGet = _passGetController.text.isNotEmpty &&
+          _keyGetController.text.isNotEmpty;
+    });
+  }
+
  @override
  Widget buildWide(
    BuildContext context,
@ -32,6 +57,9 @@ class _FlutterSecureStoragePageState
    return BlockLayout<FlutterSecureStorageModel>(
      title: widget.package.key,
      builder: (context, child, model) {
+        // update read only value
+        _valueGetController.text = model.readValue;
+        // return widget
        return SingleChildScrollView(
          child: Padding(
            padding: const EdgeInsets.all(20),
@ -44,10 +72,102 @@ class _FlutterSecureStoragePageState
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
-                      BlockItem(
-                        title: l10n.flutterSecureStorageTitle,
-                        desc: l10n.flutterSecureStorageDesc,
-                        value: null,
+                      TextTitleLarge(l10n.flutterSecureStorageTitleSave),
+                      const SizedBox(height: 14),
+                      if (model.isSuccess)
+                        BlockAlert(
+                          l10n.flutterSecureStorageSuccess,
+                          color: Colors.lightGreen,
+                        ),
+                      const SizedBox(height: 6),
+                      TextField(
+                        controller: _passSaveController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldPass,
+                        ),
+                        onChanged: (_) => _validateSave(),
+                      ),
+                      const SizedBox(height: 16),
+                      TextField(
+                        controller: _keySaveController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldKey,
+                        ),
+                        onChanged: (_) => _validateSave(),
+                      ),
+                      const SizedBox(height: 16),
+                      TextField(
+                        controller: _valueSaveController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldValue,
+                        ),
+                        onChanged: (_) => _validateSave(),
+                      ),
+                      const SizedBox(height: 20),
+                      SizedBox(
+                        width: double.infinity,
+                        child: ElevatedButton(
+                          onPressed: _isValidSave
+                              ? () => model.write(
+                                    key: _keySaveController.text,
+                                    value: _valueSaveController.text,
+                                    password: _passSaveController.text,
+                                  )
+                              : null,
+                          child: TextBodyLarge(
+                            l10n.flutterSecureStorageBtnSave,
+                            color: Colors.white,
+                          ),
+                        ),
+                      ),
+                      const SizedBox(height: 30),
+                      TextTitleLarge(l10n.flutterSecureStorageTitleGet),
+                      const SizedBox(height: 16),
+                      TextField(
+                        controller: _passGetController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldPass,
+                        ),
+                        onChanged: (_) {
+                          _validateGet();
+                          model.clearReadValue();
+                        },
+                      ),
+                      const SizedBox(height: 16),
+                      TextField(
+                        controller: _keyGetController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldKey,
+                        ),
+                          onChanged: (_) {
+                            _validateGet();
+                            model.clearReadValue();
+                          }
+                      ),
+                      const SizedBox(height: 16),
+                      TextField(
+                        enabled: false,
+                        readOnly: true,
+                        controller: _valueGetController,
+                        decoration: InputDecoration(
+                          labelText: l10n.flutterSecureStorageFieldValue,
+                        ),
+                      ),
+                      const SizedBox(height: 20),
+                      SizedBox(
+                        width: double.infinity,
+                        child: ElevatedButton(
+                          onPressed: _isValidGet
+                              ? () => model.read(
+                                    key: _keyGetController.text,
+                                    password: _passGetController.text,
+                                  )
+                              : null,
+                          child: TextBodyLarge(
+                            l10n.flutterSecureStorageBtnGet,
+                            color: Colors.white,
+                          ),
+                        ),
                      ),
                    ],
                  ),
--- a/example/lib/packages/packages.dart
+++ b/example/lib/packages/packages.dart
@ -18,10 +18,13 @@ import 'package:flutter_example_packages/packages/universal_io/package.dart';
 import 'package:flutter_example_packages/packages/wakelock/package.dart';
 import 'package:flutter_example_packages/packages/xdga_directories/package.dart';

+import 'crypto/package.dart';
+
 /// List app packages
 final packages = <Package>[
  packageBatteryPlus,
  packageCachedNetworkImage,
+  packageCrypto,
  packageCupertinoIcons,
  packageDeviceInfoPlus,
  packageFlutterCacheManager,
--- a/example/lib/pages/home/widgets/package_list_item.dart
+++ b/example/lib/pages/home/widgets/package_list_item.dart
@ -129,7 +129,7 @@ class PackageListItemWidget extends AppStatelessWidget {
                        child: Padding(
                          padding: const EdgeInsets.only(
                            left: 6,
-                            top: 3,
+                            top: 6,
                            right: 6,
                            bottom: 6,
                          ),
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@ -22,6 +22,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "2.4.1"
+  asn1lib:
+    dependency: transitive
+    description:
+      name: asn1lib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.1"
  async:
    dependency: transitive
    description:
@ -156,7 +163,7 @@ packages:
    source: hosted
    version: "3.1.1"
  crypto:
-    dependency: transitive
+    dependency: "direct main"
    description:
      name: crypto
      url: "https://pub.dartlang.org"
@ -204,6 +211,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "7.0.0"
+  encrypt:
+    dependency: transitive
+    description:
+      name: encrypt
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.1"
  fake_async:
    dependency: transitive
    description:
@ -277,6 +291,55 @@ packages:
    description: flutter
    source: sdk
    version: "0.0.0"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.0.0"
+  flutter_secure_storage_aurora:
+    dependency: "direct main"
+    description:
+      path: "../packages/flutter_secure_storage/flutter_secure_storage_aurora"
+      relative: true
+    source: path
+    version: "0.0.1"
+  flutter_secure_storage_linux:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.3"
+  flutter_secure_storage_macos:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  flutter_secure_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  flutter_secure_storage_web:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  flutter_secure_storage_windows:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
  flutter_test:
    dependency: "direct dev"
    description: flutter
@ -518,6 +581,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "2.1.4"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.7.3"
  pool:
    dependency: transitive
    description:
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@ -25,6 +25,8 @@ dependencies:
  intl: ^0.17.0
  ## https://pub.dev/packages/universal_io
  universal_io: ^2.2.0
+  ## https://pub.dev/packages/crypto
+  crypto: ^3.0.2

  ## https://os-git.omprussia.ru/non-oss/flutter/flutter-plugins/-/tree/master/packages/xdga_directories
  xdga_directories:
@ -48,11 +50,11 @@ dependencies:
  flutter_local_notifications_aurora:
    path: ../packages/flutter_local_notifications/flutter_local_notifications_aurora

-#  ## https://pub.dev/packages/flutter_secure_storage
-#  flutter_secure_storage: ^8.0.0
-#  ## https://os-git.omprussia.ru/non-oss/flutter/flutter-plugins/-/tree/master/packages/flutter_secure_storage/flutter_secure_storage_aurora
-#  flutter_secure_storage_aurora:
-#    path: ../packages/flutter_secure_storage/flutter_secure_storage_aurora
+  ## https://pub.dev/packages/flutter_secure_storage
+  flutter_secure_storage: ^8.0.0
+  ## https://os-git.omprussia.ru/non-oss/flutter/flutter-plugins/-/tree/master/packages/flutter_secure_storage/flutter_secure_storage_aurora
+  flutter_secure_storage_aurora:
+    path: ../packages/flutter_secure_storage/flutter_secure_storage_aurora

  ## https://pub.dev/packages/package_info_plus
  package_info_plus: 4.0.2
--- a/packages/flutter_secure_storage/flutter_secure_storage_aurora/lib/flutter_secure_storage_aurora.dart
+++ b/packages/flutter_secure_storage/flutter_secure_storage_aurora/lib/flutter_secure_storage_aurora.dart
@ -22,8 +22,7 @@ class FlutterSecureStorageAurora extends FlutterSecureStoragePlatform {
    );
  }

-  static void registerWith() async {
-    PathProviderAurora.registerWith();
+  static void registerWith() {
    FlutterSecureStoragePlatform.instance = FlutterSecureStorageAurora();
  }