✨ Dispose current session when logout

assets/translations/en-US.json

@@ -813,5 +813,6 @@
   "eventMetadata": "Metadata",
   "authTicketCreatedAt": "Issued at {}",
   "authTicketExpiredAt": "Expired at {}",
-  "authTicketLastGrantAt": "Last granted at {}"
+  "authTicketLastGrantAt": "Last granted at {}",
+  "authTicketCurrent": "Current"
 }

assets/translations/zh-CN.json

@@ -813,5 +813,6 @@
   "accountAuthTicketsDescription": "查看和管理你的授权会话。",
   "authTicketCreatedAt": "签发于 {}",
   "authTicketExpiredAt": "到期于 {}",
-  "authTicketLastGrantAt": "上次刷新于 {}"
+  "authTicketLastGrantAt": "上次刷新于 {}",
+  "authTicketCurrent": "当前会话"
 }

assets/translations/zh-HK.json

@@ -813,5 +813,6 @@
   "accountAuthTicketsDescription": "查看和管理你的授權會話。",
   "authTicketCreatedAt": "簽發於 {}",
   "authTicketExpiredAt": "到期於 {}",
-  "authTicketLastGrantAt": "上次刷新於 {}"
+  "authTicketLastGrantAt": "上次刷新於 {}",
+  "authTicketCurrent": "當前會話"
 }

assets/translations/zh-TW.json

@@ -813,5 +813,6 @@
   "accountAuthTicketsDescription": "查看和管理你的授權會話。",
   "authTicketCreatedAt": "簽發於 {}",
   "authTicketExpiredAt": "到期於 {}",
-  "authTicketLastGrantAt": "上次刷新於 {}"
+  "authTicketLastGrantAt": "上次刷新於 {}",
+  "authTicketCurrent": "當前會話"
 }

lib/providers/userinfo.dart

@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -35,6 +37,32 @@ class UserProvider extends ChangeNotifier {
     });
   }
 
+  Future<Map<String, dynamic>?> get atkClaims async {
+    final tk = (await atk);
+    if (tk == null) return null;
+    final atkParts = tk.split('.');
+    if (atkParts.length != 3) {
+      throw Exception('invalid format of access token');
+    }
+
+    var rawPayload = atkParts[1].replaceAll('-', '+').replaceAll('_', '/');
+    switch (rawPayload.length % 4) {
+      case 0:
+        break;
+      case 2:
+        rawPayload += '==';
+        break;
+      case 3:
+        rawPayload += '=';
+        break;
+      default:
+        throw Exception('illegal format of access token payload');
+    }
+
+    final b64 = utf8.fuse(base64Url);
+    return jsonDecode(b64.decode(rawPayload));
+  }
+
   Future<SnAccount?> refreshUser() async {
     final resp = await _sn.client.get('/cgi/id/users/me');
     final out = SnAccount.fromJson(resp.data);
@@ -47,7 +75,13 @@ class UserProvider extends ChangeNotifier {
   }
 
   void logoutUser() async {
+    atkClaims.then((value) async {
+      if (value != null) {
+        await _sn.client.delete('/cgi/id/users/me/tickets/${value['sed']}');
+        logging.info('[Auth] Current session has been destroyed.');
+      }
       _sn.clearTokenPair();
+    });
     isAuthorized = false;
     user = null;
     notifyListeners();

lib/router.dart

@@ -13,7 +13,7 @@ import 'package:surface/screens/account/profile_edit.dart';
 import 'package:surface/screens/account/publishers/publisher_edit.dart';
 import 'package:surface/screens/account/publishers/publisher_new.dart';
 import 'package:surface/screens/account/publishers/publishers.dart';
-import 'package:surface/screens/account/tickets.dart';
+import 'package:surface/screens/account/auth_tickets.dart';
 import 'package:surface/screens/album.dart';
 import 'package:surface/screens/auth/login.dart';
 import 'package:surface/screens/auth/register.dart';

lib/screens/account/auth_tickets.dart

@@ -5,6 +5,7 @@ import 'package:material_symbols_icons/symbols.dart';
 import 'package:provider/provider.dart';
 import 'package:styled_widget/styled_widget.dart';
 import 'package:surface/providers/sn_network.dart';
+import 'package:surface/providers/userinfo.dart';
 import 'package:surface/types/auth.dart';
 import 'package:surface/widgets/dialog.dart';
 import 'package:surface/widgets/loading_indicator.dart';
@@ -73,10 +74,18 @@ class _AccountAuthTicketState extends State<AccountAuthTicket> {
     }
   }
 
+  int? _currentTicketId;
+
   @override
   void initState() {
     super.initState();
     _fetchAuthTickets();
+
+    final ua = context.read<UserProvider>();
+    ua.atkClaims.then((value) {
+      if (value == null) return;
+      _currentTicketId = int.parse(value['sed']);
+    });
   }
 
   @override
@@ -142,6 +151,11 @@ class _AccountAuthTicketState extends State<AccountAuthTicket> {
                                     .format(ticket.lastGrantAt!.toLocal()))
                               ])).fontSize(12).opacity(0.75),
                             const Gap(4),
+                            if (_currentTicketId == ticket.id)
+                              Text('authTicketCurrent'.tr())
+                                  .fontSize(11)
+                                  .bold()
+                                  .opacity(0.75),
                             Text('#${ticket.id}').fontSize(11).opacity(0.75),
                           ],
                         ),
@@ -153,7 +167,9 @@ class _AccountAuthTicketState extends State<AccountAuthTicket> {
                         constraints: const BoxConstraints(),
                         padding: EdgeInsets.zero,
                         icon: const Icon(Symbols.logout),
-                        onPressed: () {
+                        onPressed: _currentTicketId == ticket.id
+                            ? null
+                            : () {
                                 _deleteAuthTicket(ticket);
                               },
                       ),