feat(mobile): Implement Keycloak WebView authentication with HTTP callback
- Replace flutter_appauth with custom WebView implementation to resolve deep link issues - Add KeycloakWebViewAuthService with integrated WebView for seamless authentication - Configure Android manifest for HTTP cleartext traffic support - Add network security config for development environment (192.168.1.11) - Update Keycloak client to use HTTP callback endpoint (http://192.168.1.11:8080/auth/callback) - Remove obsolete keycloak_auth_service.dart and temporary scripts - Clean up dependencies and regenerate injection configuration - Tested successfully on multiple Android devices (Xiaomi 2201116TG, SM A725F) BREAKING CHANGE: Authentication flow now uses WebView instead of external browser - Users will see Keycloak login page within the app instead of browser redirect - Resolves ERR_CLEARTEXT_NOT_PERMITTED and deep link state management issues - Maintains full OIDC compliance with PKCE flow and secure token storage Technical improvements: - WebView with custom navigation delegate for callback handling - Automatic token extraction and user info parsing from JWT - Proper error handling and user feedback - Consistent authentication state management across app lifecycle
This commit is contained in:
DahoudG
@@ -0,0 +1,373 @@
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import 'dart:async';
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import 'dart:convert';
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import 'dart:math';
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import 'package:crypto/crypto.dart';
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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:injectable/injectable.dart';
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import 'package:jwt_decoder/jwt_decoder.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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import '../models/auth_state.dart';
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import '../models/user_info.dart';
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import 'package:dio/dio.dart';
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@singleton
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class KeycloakWebViewAuthService {
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static const String _keycloakBaseUrl = 'http://192.168.1.11:8180';
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static const String _realm = 'unionflow';
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static const String _clientId = 'unionflow-mobile';
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static const String _redirectUrl = 'http://192.168.1.11:8080/auth/callback';
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final FlutterSecureStorage _secureStorage = const FlutterSecureStorage();
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final Dio _dio = Dio();
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// Stream pour l'état d'authentification
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final _authStateController = StreamController<AuthState>.broadcast();
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Stream<AuthState> get authStateStream => _authStateController.stream;
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AuthState _currentState = const AuthState.unauthenticated();
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AuthState get currentState => _currentState;
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KeycloakWebViewAuthService() {
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_initializeAuthState();
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}
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Future<void> _initializeAuthState() async {
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print('🔄 Initialisation du service d\'authentification WebView...');
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try {
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final accessToken = await _secureStorage.read(key: 'access_token');
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if (accessToken != null && !JwtDecoder.isExpired(accessToken)) {
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final userInfo = await _getUserInfoFromToken(accessToken);
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final refreshToken = await _secureStorage.read(key: 'refresh_token');
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if (userInfo != null && refreshToken != null) {
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final expiresAt = DateTime.fromMillisecondsSinceEpoch(
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JwtDecoder.decode(accessToken)['exp'] * 1000
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);
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_updateAuthState(AuthState.authenticated(
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user: userInfo,
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accessToken: accessToken,
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refreshToken: refreshToken,
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expiresAt: expiresAt,
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));
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return;
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}
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}
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// Tentative de refresh si le token d'accès est expiré
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final refreshToken = await _secureStorage.read(key: 'refresh_token');
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if (refreshToken != null && !JwtDecoder.isExpired(refreshToken)) {
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final success = await _refreshTokens();
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if (success) return;
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}
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// Aucun token valide trouvé
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await _clearTokens();
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_updateAuthState(const AuthState.unauthenticated());
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} catch (e) {
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print('❌ Erreur lors de l\'initialisation: $e');
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await _clearTokens();
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_updateAuthState(const AuthState.unauthenticated());
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}
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}
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Future<void> loginWithWebView(BuildContext context) async {
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print('🔐 Début de la connexion Keycloak WebView...');
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try {
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_updateAuthState(const AuthState.checking());
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// Génération des paramètres PKCE
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final codeVerifier = _generateCodeVerifier();
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final codeChallenge = _generateCodeChallenge(codeVerifier);
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final state = _generateRandomString(32);
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// Construction de l'URL d'autorisation
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final authUrl = _buildAuthorizationUrl(codeChallenge, state);
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print('🌐 URL d\'autorisation: $authUrl');
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// Ouverture de la WebView
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final result = await Navigator.of(context).push<String>(
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MaterialPageRoute(
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builder: (context) => KeycloakWebViewPage(
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authUrl: authUrl,
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redirectUrl: _redirectUrl,
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),
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),
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);
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if (result != null) {
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// Traitement du code d'autorisation
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await _handleAuthorizationCode(result, codeVerifier, state);
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} else {
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print('❌ Authentification annulée par l\'utilisateur');
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_updateAuthState(const AuthState.unauthenticated());
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}
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} catch (e) {
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print('❌ Erreur lors de la connexion: $e');
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_updateAuthState(const AuthState.unauthenticated());
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rethrow;
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}
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}
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String _buildAuthorizationUrl(String codeChallenge, String state) {
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final params = {
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'client_id': _clientId,
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'redirect_uri': _redirectUrl,
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'response_type': 'code',
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'scope': 'openid profile email',
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'code_challenge': codeChallenge,
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'code_challenge_method': 'S256',
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'state': state,
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};
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final queryString = params.entries
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.map((e) => '${Uri.encodeComponent(e.key)}=${Uri.encodeComponent(e.value)}')
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.join('&');
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return '$_keycloakBaseUrl/realms/$_realm/protocol/openid-connect/auth?$queryString';
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}
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Future<void> _handleAuthorizationCode(String authCode, String codeVerifier, String expectedState) async {
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print('🔄 Traitement du code d\'autorisation...');
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try {
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// Échange du code contre des tokens
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final response = await _dio.post(
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'$_keycloakBaseUrl/realms/$_realm/protocol/openid-connect/token',
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data: {
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'grant_type': 'authorization_code',
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'client_id': _clientId,
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'code': authCode,
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'redirect_uri': _redirectUrl,
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'code_verifier': codeVerifier,
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},
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options: Options(
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contentType: Headers.formUrlEncodedContentType,
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),
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);
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if (response.statusCode == 200) {
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final tokens = response.data;
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await _storeTokens(tokens);
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final userInfo = await _getUserInfoFromToken(tokens['access_token']);
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if (userInfo != null) {
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final expiresAt = DateTime.fromMillisecondsSinceEpoch(
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JwtDecoder.decode(tokens['access_token'])['exp'] * 1000
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);
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_updateAuthState(AuthState.authenticated(
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user: userInfo,
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accessToken: tokens['access_token'],
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refreshToken: tokens['refresh_token'],
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expiresAt: expiresAt,
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));
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print('✅ Authentification réussie pour: ${userInfo.email}');
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}
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}
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} catch (e) {
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print('❌ Erreur lors de l\'échange de tokens: $e');
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_updateAuthState(const AuthState.unauthenticated());
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rethrow;
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}
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}
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// Méthodes utilitaires PKCE
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String _generateCodeVerifier() {
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final random = Random.secure();
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final bytes = List<int>.generate(32, (i) => random.nextInt(256));
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return base64Url.encode(bytes).replaceAll('=', '');
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}
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String _generateCodeChallenge(String codeVerifier) {
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final bytes = utf8.encode(codeVerifier);
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final digest = sha256.convert(bytes);
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return base64Url.encode(digest.bytes).replaceAll('=', '');
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}
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String _generateRandomString(int length) {
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~';
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final random = Random.secure();
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return List.generate(length, (index) => chars[random.nextInt(chars.length)]).join();
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}
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Future<UserInfo?> _getUserInfoFromToken(String accessToken) async {
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try {
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final decodedToken = JwtDecoder.decode(accessToken);
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final roles = List<String>.from(decodedToken['realm_access']?['roles'] ?? []);
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final primaryRole = roles.isNotEmpty ? roles.first : 'membre';
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return UserInfo(
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id: decodedToken['sub'] ?? '',
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email: decodedToken['email'] ?? '',
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firstName: decodedToken['given_name'] ?? '',
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lastName: decodedToken['family_name'] ?? '',
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role: primaryRole,
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roles: roles,
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isActive: true,
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);
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} catch (e) {
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print('❌ Erreur lors de l\'extraction des infos utilisateur: $e');
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return null;
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}
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}
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Future<void> _storeTokens(Map<String, dynamic> tokens) async {
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await _secureStorage.write(key: 'access_token', value: tokens['access_token']);
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await _secureStorage.write(key: 'refresh_token', value: tokens['refresh_token']);
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if (tokens['id_token'] != null) {
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await _secureStorage.write(key: 'id_token', value: tokens['id_token']);
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}
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}
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Future<bool> _refreshTokens() async {
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try {
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final refreshToken = await _secureStorage.read(key: 'refresh_token');
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if (refreshToken == null) return false;
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final response = await _dio.post(
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'$_keycloakBaseUrl/realms/$_realm/protocol/openid-connect/token',
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data: {
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'grant_type': 'refresh_token',
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'client_id': _clientId,
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'refresh_token': refreshToken,
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},
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options: Options(contentType: Headers.formUrlEncodedContentType),
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);
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if (response.statusCode == 200) {
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await _storeTokens(response.data);
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final userInfo = await _getUserInfoFromToken(response.data['access_token']);
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if (userInfo != null) {
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final expiresAt = DateTime.fromMillisecondsSinceEpoch(
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JwtDecoder.decode(response.data['access_token'])['exp'] * 1000
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);
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_updateAuthState(AuthState.authenticated(
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user: userInfo,
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accessToken: response.data['access_token'],
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refreshToken: response.data['refresh_token'],
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expiresAt: expiresAt,
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));
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return true;
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}
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}
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} catch (e) {
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print('❌ Erreur lors du refresh: $e');
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}
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return false;
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}
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Future<void> logout() async {
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print('🚪 Déconnexion...');
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await _clearTokens();
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_updateAuthState(const AuthState.unauthenticated());
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}
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Future<void> _clearTokens() async {
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await _secureStorage.delete(key: 'access_token');
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await _secureStorage.delete(key: 'refresh_token');
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await _secureStorage.delete(key: 'id_token');
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}
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void _updateAuthState(AuthState newState) {
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_currentState = newState;
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_authStateController.add(newState);
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}
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void dispose() {
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_authStateController.close();
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}
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}
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// Page WebView pour l'authentification
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class KeycloakWebViewPage extends StatefulWidget {
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final String authUrl;
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final String redirectUrl;
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const KeycloakWebViewPage({
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Key? key,
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required this.authUrl,
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required this.redirectUrl,
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}) : super(key: key);
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@override
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State<KeycloakWebViewPage> createState() => _KeycloakWebViewPageState();
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}
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class _KeycloakWebViewPageState extends State<KeycloakWebViewPage> {
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late final WebViewController _controller;
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@override
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void initState() {
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super.initState();
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_initializeWebView();
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}
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void _initializeWebView() {
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_controller = WebViewController()
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..setJavaScriptMode(JavaScriptMode.unrestricted)
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..setUserAgent('Mozilla/5.0 (Linux; Android 10; Mobile) AppleWebKit/537.36')
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..setNavigationDelegate(
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NavigationDelegate(
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onNavigationRequest: (NavigationRequest request) {
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print('🌐 Navigation vers: ${request.url}');
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if (request.url.startsWith(widget.redirectUrl)) {
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// Extraction du code d'autorisation
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final uri = Uri.parse(request.url);
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final code = uri.queryParameters['code'];
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if (code != null) {
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print('✅ Code d\'autorisation reçu: $code');
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Navigator.of(context).pop(code);
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} else {
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print('❌ Aucun code d\'autorisation trouvé');
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Navigator.of(context).pop();
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}
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return NavigationDecision.prevent;
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}
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return NavigationDecision.navigate;
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},
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onWebResourceError: (WebResourceError error) {
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print('❌ Erreur WebView: ${error.description}');
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print('❌ Code d\'erreur: ${error.errorCode}');
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print('❌ URL qui a échoué: ${error.url}');
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},
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),
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);
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// Chargement avec gestion d'erreur
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_loadUrlWithRetry();
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}
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Future<void> _loadUrlWithRetry() async {
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try {
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await _controller.loadRequest(Uri.parse(widget.authUrl));
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} catch (e) {
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print('❌ Erreur lors du chargement: $e');
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// Retry avec une approche différente si nécessaire
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Connexion Keycloak'),
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leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: () => Navigator.of(context).pop(),
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),
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),
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body: WebViewWidget(controller: _controller),
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);
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}
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}
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@@ -0,0 +1,314 @@
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import 'package:flutter/foundation.dart';
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import '../models/user_info.dart';
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import 'auth_service.dart';
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/// Service de gestion des permissions et rôles utilisateurs
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/// Basé sur le système de rôles du serveur UnionFlow
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class PermissionService {
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static final PermissionService _instance = PermissionService._internal();
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factory PermissionService() => _instance;
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PermissionService._internal();
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// Pour l'instant, on simule un utilisateur admin pour les tests
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// TODO: Intégrer avec le vrai AuthService une fois l'authentification implémentée
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AuthService? _authService;
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// Simulation d'un utilisateur admin pour les tests
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final UserInfo _mockUser = const UserInfo(
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id: 'admin-001',
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email: 'admin@unionflow.ci',
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firstName: 'Administrateur',
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lastName: 'Test',
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role: 'ADMIN',
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isActive: true,
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);
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/// Rôles système disponibles
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static const String roleAdmin = 'ADMIN';
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static const String roleSuperAdmin = 'SUPER_ADMIN';
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static const String roleGestionnaireMembre = 'GESTIONNAIRE_MEMBRE';
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static const String roleTresorier = 'TRESORIER';
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static const String roleGestionnaireEvenement = 'GESTIONNAIRE_EVENEMENT';
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static const String roleGestionnaireAide = 'GESTIONNAIRE_AIDE';
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static const String roleGestionnaireFinance = 'GESTIONNAIRE_FINANCE';
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static const String roleMembre = 'MEMBER';
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static const String rolePresident = 'PRESIDENT';
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/// Obtient l'utilisateur actuellement connecté
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UserInfo? get currentUser => _authService?.currentUser ?? _mockUser;
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/// Vérifie si l'utilisateur est authentifié
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bool get isAuthenticated => _authService?.isAuthenticated ?? true;
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/// Obtient le rôle de l'utilisateur actuel
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String? get currentUserRole => currentUser?.role.toUpperCase();
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/// Vérifie si l'utilisateur a un rôle spécifique
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bool hasRole(String role) {
|
||||
if (!isAuthenticated || currentUserRole == null) {
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return false;
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||||
}
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return currentUserRole == role.toUpperCase();
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||||
}
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||||
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||||
/// Vérifie si l'utilisateur a un des rôles spécifiés
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||||
bool hasAnyRole(List<String> roles) {
|
||||
if (!isAuthenticated || currentUserRole == null) {
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return false;
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||||
}
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||||
return roles.any((role) => currentUserRole == role.toUpperCase());
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||||
}
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||||
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||||
/// Vérifie si l'utilisateur est un administrateur
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bool get isAdmin => hasRole(roleAdmin);
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/// Vérifie si l'utilisateur est un super administrateur
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||||
bool get isSuperAdmin => hasRole(roleSuperAdmin);
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||||
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||||
/// Vérifie si l'utilisateur est un membre simple
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||||
bool get isMember => hasRole(roleMembre);
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||||
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||||
/// Vérifie si l'utilisateur est un gestionnaire
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||||
bool get isGestionnaire => hasAnyRole([
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||||
roleGestionnaireMembre,
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||||
roleGestionnaireEvenement,
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||||
roleGestionnaireAide,
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||||
roleGestionnaireFinance,
|
||||
]);
|
||||
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||||
/// Vérifie si l'utilisateur est un trésorier
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||||
bool get isTresorier => hasRole(roleTresorier);
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||||
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||||
/// Vérifie si l'utilisateur est un président
|
||||
bool get isPresident => hasRole(rolePresident);
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||||
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||||
// ========== PERMISSIONS SPÉCIFIQUES AUX MEMBRES ==========
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||||
|
||||
/// Peut gérer les membres (créer, modifier, supprimer)
|
||||
bool get canManageMembers {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleGestionnaireMembre, rolePresident]);
|
||||
}
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||||
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||||
/// Peut créer de nouveaux membres
|
||||
bool get canCreateMembers {
|
||||
return canManageMembers;
|
||||
}
|
||||
|
||||
/// Peut modifier les informations des membres
|
||||
bool get canEditMembers {
|
||||
return canManageMembers;
|
||||
}
|
||||
|
||||
/// Peut supprimer/désactiver des membres
|
||||
bool get canDeleteMembers {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, rolePresident]);
|
||||
}
|
||||
|
||||
/// Peut voir les détails complets des membres
|
||||
bool get canViewMemberDetails {
|
||||
return hasAnyRole([
|
||||
roleAdmin,
|
||||
roleSuperAdmin,
|
||||
roleGestionnaireMembre,
|
||||
roleTresorier,
|
||||
rolePresident,
|
||||
]);
|
||||
}
|
||||
|
||||
/// Peut voir les informations de contact des membres
|
||||
bool get canViewMemberContacts {
|
||||
return canViewMemberDetails;
|
||||
}
|
||||
|
||||
/// Peut exporter les données des membres
|
||||
bool get canExportMembers {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleGestionnaireMembre]);
|
||||
}
|
||||
|
||||
/// Peut importer des données de membres
|
||||
bool get canImportMembers {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin]);
|
||||
}
|
||||
|
||||
/// Peut appeler les membres
|
||||
bool get canCallMembers {
|
||||
return canViewMemberContacts;
|
||||
}
|
||||
|
||||
/// Peut envoyer des messages aux membres
|
||||
bool get canMessageMembers {
|
||||
return canViewMemberContacts;
|
||||
}
|
||||
|
||||
/// Peut voir les statistiques des membres
|
||||
bool get canViewMemberStats {
|
||||
return hasAnyRole([
|
||||
roleAdmin,
|
||||
roleSuperAdmin,
|
||||
roleGestionnaireMembre,
|
||||
roleTresorier,
|
||||
rolePresident,
|
||||
]);
|
||||
}
|
||||
|
||||
/// Peut valider les nouveaux membres
|
||||
bool get canValidateMembers {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleGestionnaireMembre]);
|
||||
}
|
||||
|
||||
// ========== PERMISSIONS GÉNÉRALES ==========
|
||||
|
||||
/// Peut gérer les finances
|
||||
bool get canManageFinances {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleTresorier, roleGestionnaireFinance]);
|
||||
}
|
||||
|
||||
/// Peut gérer les événements
|
||||
bool get canManageEvents {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleGestionnaireEvenement]);
|
||||
}
|
||||
|
||||
/// Peut gérer les aides
|
||||
bool get canManageAides {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin, roleGestionnaireAide]);
|
||||
}
|
||||
|
||||
/// Peut voir les rapports
|
||||
bool get canViewReports {
|
||||
return hasAnyRole([
|
||||
roleAdmin,
|
||||
roleSuperAdmin,
|
||||
roleGestionnaireMembre,
|
||||
roleTresorier,
|
||||
rolePresident,
|
||||
]);
|
||||
}
|
||||
|
||||
/// Peut gérer l'organisation
|
||||
bool get canManageOrganization {
|
||||
return hasAnyRole([roleAdmin, roleSuperAdmin]);
|
||||
}
|
||||
|
||||
// ========== MÉTHODES UTILITAIRES ==========
|
||||
|
||||
/// Obtient le nom d'affichage du rôle
|
||||
String getRoleDisplayName(String? role) {
|
||||
if (role == null) return 'Invité';
|
||||
|
||||
switch (role.toUpperCase()) {
|
||||
case roleAdmin:
|
||||
return 'Administrateur';
|
||||
case roleSuperAdmin:
|
||||
return 'Super Administrateur';
|
||||
case roleGestionnaireMembre:
|
||||
return 'Gestionnaire Membres';
|
||||
case roleTresorier:
|
||||
return 'Trésorier';
|
||||
case roleGestionnaireEvenement:
|
||||
return 'Gestionnaire Événements';
|
||||
case roleGestionnaireAide:
|
||||
return 'Gestionnaire Aides';
|
||||
case roleGestionnaireFinance:
|
||||
return 'Gestionnaire Finances';
|
||||
case rolePresident:
|
||||
return 'Président';
|
||||
case roleMembre:
|
||||
return 'Membre';
|
||||
default:
|
||||
return role;
|
||||
}
|
||||
}
|
||||
|
||||
/// Obtient la couleur associée au rôle
|
||||
String getRoleColor(String? role) {
|
||||
if (role == null) return '#9E9E9E';
|
||||
|
||||
switch (role.toUpperCase()) {
|
||||
case roleAdmin:
|
||||
return '#FF5722';
|
||||
case roleSuperAdmin:
|
||||
return '#E91E63';
|
||||
case roleGestionnaireMembre:
|
||||
return '#2196F3';
|
||||
case roleTresorier:
|
||||
return '#4CAF50';
|
||||
case roleGestionnaireEvenement:
|
||||
return '#FF9800';
|
||||
case roleGestionnaireAide:
|
||||
return '#9C27B0';
|
||||
case roleGestionnaireFinance:
|
||||
return '#00BCD4';
|
||||
case rolePresident:
|
||||
return '#FFD700';
|
||||
case roleMembre:
|
||||
return '#607D8B';
|
||||
default:
|
||||
return '#9E9E9E';
|
||||
}
|
||||
}
|
||||
|
||||
/// Obtient l'icône associée au rôle
|
||||
String getRoleIcon(String? role) {
|
||||
if (role == null) return 'person';
|
||||
|
||||
switch (role.toUpperCase()) {
|
||||
case roleAdmin:
|
||||
return 'admin_panel_settings';
|
||||
case roleSuperAdmin:
|
||||
return 'security';
|
||||
case roleGestionnaireMembre:
|
||||
return 'people';
|
||||
case roleTresorier:
|
||||
return 'account_balance';
|
||||
case roleGestionnaireEvenement:
|
||||
return 'event';
|
||||
case roleGestionnaireAide:
|
||||
return 'volunteer_activism';
|
||||
case roleGestionnaireFinance:
|
||||
return 'monetization_on';
|
||||
case rolePresident:
|
||||
return 'star';
|
||||
case roleMembre:
|
||||
return 'person';
|
||||
default:
|
||||
return 'person';
|
||||
}
|
||||
}
|
||||
|
||||
/// Vérifie les permissions et lance une exception si non autorisé
|
||||
void requirePermission(bool hasPermission, [String? message]) {
|
||||
if (!hasPermission) {
|
||||
throw PermissionDeniedException(
|
||||
message ?? 'Vous n\'avez pas les permissions nécessaires pour cette action'
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/// Vérifie les permissions et retourne un message d'erreur si non autorisé
|
||||
String? checkPermission(bool hasPermission, [String? message]) {
|
||||
if (!hasPermission) {
|
||||
return message ?? 'Permissions insuffisantes';
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// Log des actions pour audit (en mode debug uniquement)
|
||||
void logAction(String action, {Map<String, dynamic>? details}) {
|
||||
if (kDebugMode) {
|
||||
print('🔐 PermissionService: $action by ${currentUser?.fullName} ($currentUserRole)');
|
||||
if (details != null) {
|
||||
print(' Details: $details');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Exception lancée quand une permission est refusée
|
||||
class PermissionDeniedException implements Exception {
|
||||
final String message;
|
||||
|
||||
const PermissionDeniedException(this.message);
|
||||
|
||||
@override
|
||||
String toString() => 'PermissionDeniedException: $message';
|
||||
}
|
||||
Reference in New Issue
Block a user