90 lines
2.9 KiB
Dart
90 lines
2.9 KiB
Dart
import 'package:moneymgr_mobile/services/api/api_client.dart';
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import 'package:moneymgr_mobile/services/api/api_token.dart';
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import 'package:moneymgr_mobile/services/api/auth_api.dart';
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import 'package:moneymgr_mobile/services/storage/prefs.dart';
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import 'package:moneymgr_mobile/services/storage/secure_storage.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import '../services/router/routes_list.dart';
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part 'auth_state.g.dart';
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/// The current authentication state of the app.
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///
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/// This notifier is responsible for saving/removing the token and profile info
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/// to the storage through the [setAuthToken] and [logout] methods.
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@riverpod
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class CurrentAuthState extends _$CurrentAuthState {
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@override
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AuthState build() {
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final secureStorage = ref.watch(secureStorageProvider).requireValue;
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final token = secureStorage.token();
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return token != null ? AuthState.authenticated : AuthState.unauthenticated;
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}
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/// Attempts to authenticate with [token] and saves the token and profile info to storage.
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/// Will invalidate the state if success and throw an exception in case of failure
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Future<void> setAuthToken(ApiToken token) async {
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// Attempt to use provided token
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await ApiClient(
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token: token,
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prefs: await ref.watch(prefsProvider.future),
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).authInfo();
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final secureStorage = ref.read(secureStorageProvider).requireValue;
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await secureStorage.setToken(token);
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ref
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// Invalidate the state so the auth state will be updated to authenticated.
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.invalidateSelf();
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}
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/// Logs out, deletes the saved token and profile info from storage, and invalidates
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/// the state.
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Future<void> logout() async {
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final prefs = ref.read(prefsProvider).requireValue;
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final secureStorage = ref.read(secureStorageProvider).requireValue;
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await secureStorage.removeToken();
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prefs.clearServerConfig();
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prefs.clearAuthInfo();
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ref
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// Invalidate the state so the auth state will be updated to authenticated.
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.invalidateSelf();
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}
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}
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/// The possible authentication states of the app.
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enum AuthState {
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unknown(redirectPath: homePage, allowedPaths: [homePage]),
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unauthenticated(
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redirectPath: authPage,
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allowedPaths: [authPage, qrAuthPath, manualAuthPage, settingsPage],
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),
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authenticated(
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redirectPath: homePage,
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allowedPaths: null,
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forbiddenPaths: [authPage, manualAuthPage],
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);
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const AuthState({
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required this.redirectPath,
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required this.allowedPaths,
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this.forbiddenPaths,
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});
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/// The target path to redirect when the current route is not allowed in this
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/// auth state.
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final String redirectPath;
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/// List of paths allowed when the app is in this auth state. May be set to null if there is no
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/// restriction applicable
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final List<String>? allowedPaths;
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/// List of paths not allowed when the app is in this auth state. May be set to null if there is no
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/// restriction applicable
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final List<String>? forbiddenPaths;
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}
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