78 lines
2.0 KiB
Dart
78 lines
2.0 KiB
Dart
import 'dart:convert';
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import 'package:flutter_appauth/flutter_appauth.dart';
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import 'package:http/http.dart' as http;
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import '../config/intra_config.dart';
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/// OAuth2 Intra : un token réutilisé pour toutes les requêtes API.
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class IntraAuthService {
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IntraAuthService._();
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static final IntraAuthService instance = IntraAuthService._();
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final FlutterAppAuth _appAuth = const FlutterAppAuth();
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String? _accessToken;
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String? get accessToken => _accessToken;
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bool get isAuthenticated => _accessToken != null && _accessToken!.isNotEmpty;
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static final AuthorizationServiceConfiguration _serviceConfiguration =
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AuthorizationServiceConfiguration(
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authorizationEndpoint: IntraConfig.authorizeUrl,
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tokenEndpoint: IntraConfig.tokenUrl,
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);
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Future<void> signIn() async {
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if (!IntraConfig.isConfigured) {
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throw StateError(
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'CLIENT_ID, CLIENT_SECRET ou REDIRECT_URI manquant dans .env',
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);
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}
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final result = await _appAuth.authorizeAndExchangeCode(
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AuthorizationTokenRequest(
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IntraConfig.clientId,
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IntraConfig.redirectUri,
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clientSecret: IntraConfig.clientSecret,
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serviceConfiguration: _serviceConfiguration,
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scopes: ['public'],
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),
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);
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_accessToken = result.accessToken;
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if (!isAuthenticated) {
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throw StateError('Connexion 42 annulée ou token absent');
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}
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}
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void signOut() {
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_accessToken = null;
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}
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/// Header Authorization pour les appels `api.intra.42.fr`.
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Map<String, String> authHeaders() {
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if (!isAuthenticated) {
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throw StateError('Non connecté à l’Intra');
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}
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return {
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'Authorization': 'Bearer $_accessToken',
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'Accept': 'application/json',
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};
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}
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Future<Map<String, dynamic>> fetchMe() async {
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final response = await http.get(
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Uri.parse('${IntraConfig.apiBaseUrl}/me'),
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headers: authHeaders(),
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);
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if (response.statusCode != 200) {
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throw Exception('GET /v2/me a échoué (${response.statusCode})');
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}
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return jsonDecode(response.body) as Map<String, dynamic>;
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}
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}
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