108 lines
3.1 KiB
Dart
Executable File
108 lines
3.1 KiB
Dart
Executable File
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:oauth2/oauth2.dart' as oauth2;
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import 'package:solian/utils/http.dart';
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import 'package:solian/utils/service_url.dart';
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class AuthProvider extends ChangeNotifier {
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AuthProvider();
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final deviceEndpoint = getRequestUri('passport', '/api/notifications/subscribe');
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final tokenEndpoint = getRequestUri('passport', '/api/auth/token');
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final userinfoEndpoint = getRequestUri('passport', '/api/users/me');
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final redirectUrl = Uri.parse('solian://auth');
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static const clientId = 'solian';
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static const clientSecret = '_F4%q2Eea3';
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static const storage = FlutterSecureStorage();
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static const storageKey = 'identity';
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static const profileKey = 'profiles';
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HttpClient? client;
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Future<bool> loadClient() async {
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if (await storage.containsKey(key: storageKey)) {
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try {
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final credentials = oauth2.Credentials.fromJson((await storage.read(key: storageKey))!);
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client = HttpClient(
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defaultToken: credentials.accessToken,
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defaultRefreshToken: credentials.refreshToken,
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onTokenRefreshed: setToken,
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);
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await fetchProfiles();
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return true;
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} catch (e) {
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signoff();
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return false;
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}
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} else {
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return false;
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}
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}
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Future<HttpClient> createClient(BuildContext context, String username, String password) async {
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if (await loadClient()) {
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return client!;
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}
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final credentials = (await oauth2.resourceOwnerPasswordGrant(
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tokenEndpoint,
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username,
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password,
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identifier: clientId,
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secret: clientSecret,
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scopes: ['openid'],
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basicAuth: false,
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))
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.credentials;
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setToken(credentials.accessToken, credentials.refreshToken!);
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return HttpClient(
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defaultToken: credentials.accessToken,
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defaultRefreshToken: credentials.refreshToken,
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onTokenRefreshed: setToken,
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);
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}
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Future<void> fetchProfiles() async {
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if (client != null) {
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var userinfo = await client!.get(userinfoEndpoint);
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storage.write(key: profileKey, value: utf8.decode(userinfo.bodyBytes));
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}
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notifyListeners();
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}
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Future<void> setToken(String atk, String rtk) async {
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if (client != null) {
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final credentials = oauth2.Credentials(atk, refreshToken: rtk, idToken: atk, scopes: ['openid']);
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storage.write(key: storageKey, value: credentials.toJson());
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}
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notifyListeners();
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}
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Future<void> signin(BuildContext context, String username, String password) async {
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client = await createClient(context, username, password);
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await fetchProfiles();
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}
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void signoff() {
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storage.delete(key: profileKey);
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storage.delete(key: storageKey);
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}
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Future<bool> isAuthorized() async {
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const storage = FlutterSecureStorage();
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return await storage.containsKey(key: storageKey);
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}
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Future<dynamic> getProfiles() async {
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const storage = FlutterSecureStorage();
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return jsonDecode(await storage.read(key: profileKey) ?? '{}');
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}
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}
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