fix(token verification): check token validity (#1195)

yaki_mobile/lib/app_router.dart

@@ -14,6 +14,7 @@ import 'package:yaki/presentation/features/user_declaration_summary/user_declara
 import 'package:yaki/presentation/features/team_selection/team_selection.dart';
 import 'package:yaki/presentation/features/user_declaration_summary/user_declaration_summary_absence.dart';
 import 'package:yaki/presentation/state/providers/declaration_provider.dart';
+import 'package:yaki/presentation/state/providers/token_provider.dart';
 import 'package:yaki/presentation/ui/default/user_default_redirection.dart';
 import 'package:yaki/presentation/features/password/forgot_password.dart';
 import 'package:yaki/presentation/features/password/change_password.dart';
@@ -31,7 +32,17 @@ final goRouterProvider = Provider<GoRouter>(
             // only redirect if we are on the Splash Screen
             if (state.fullPath == '/') {
               SharedPreferences prefs = await SharedPreferences.getInstance();
+
+              final isJWTValid =
+                  await ref.read(tokenRepositoryProvider).verifyTokenValidity();
+
+              if (!isJWTValid) {
+                prefs.remove('token');
+                return '/authentication';
+              }
+
               final declaration = ref.watch(declarationProvider);
+
               bool isLoggedIn = prefs.containsKey('token');
               final latestDeclarationStatus =
                   declaration.latestDeclarationStatus;
@@ -65,7 +76,9 @@ final goRouterProvider = Provider<GoRouter>(
                 child: Authentication(),
               ),
               redirect: (BuildContext context, GoRouterState state) async {
-                if (await SharedPref.isTokenPresent()) {
+                final isTokenSaves = await SharedPref.isTokenPresent();
+
+                if (isTokenSaves) {
                   return '/teams-declaration-summary';
                 } else {
                   return '/authentication';