🐛 Fix refresh token

lib/providers/sn_attachment.dart

@@ -4,12 +4,11 @@ import 'package:surface/providers/sn_network.dart';
 import 'package:surface/types/attachment.dart';
 
 class SnAttachmentProvider {
-  late final SnNetworkProvider sn;
-
+  late final SnNetworkProvider _sn;
   final Map<String, SnAttachment> _cache = {};
 
   SnAttachmentProvider(BuildContext context) {
-    sn = context.read<SnNetworkProvider>();
+    _sn = context.read<SnNetworkProvider>();
   }
 
   Future<SnAttachment> getOne(String rid, {noCache = false}) async {
@@ -17,7 +16,7 @@ class SnAttachmentProvider {
       return _cache[rid]!;
     }
 
-    final resp = await sn.client.get('/cgi/uc/attachments/$rid/meta');
+    final resp = await _sn.client.get('/cgi/uc/attachments/$rid/meta');
     final out = SnAttachment.fromJson(resp.data);
     _cache[rid] = out;
 
@@ -33,7 +32,7 @@ class SnAttachmentProvider {
       return rids.map((rid) => _cache[rid]!).toList();
     }
 
-    final resp = await sn.client.get('/cgi/uc/attachments', queryParameters: {
+    final resp = await _sn.client.get('/cgi/uc/attachments', queryParameters: {
       'take': pendingFetch.length,
       'id': pendingFetch.join(','),
     });

lib/providers/sn_network.dart

@@ -67,7 +67,7 @@ class SnNetworkProvider {
               final b64 = utf8.fuse(base64Url);
               final payload = b64.decode(rawPayload);
               final exp = jsonDecode(payload)['exp'];
-              if (exp >= DateTime.now().millisecondsSinceEpoch) {
+              if (exp <= DateTime.now().millisecondsSinceEpoch ~/ 1000) {
                 log('Access token need refresh, doing it at ${DateTime.now()}');
                 atk = await refreshToken();
               }
@@ -78,6 +78,8 @@ class SnNetworkProvider {
                 log('Access token refresh failed...');
               }
             }
+          } catch (err) {
+            log('Failed to authenticate user: $err');
           } finally {
             handler.next(options);
           }
@@ -114,7 +116,12 @@ class SnNetworkProvider {
     final rtk = await _storage.read(key: kRtkStoreKey);
     if (rtk == null) return null;
 
-    final resp = await client.post('/cgi/id/auth/token', data: {
+    final dio = Dio();
+    dio.options.baseUrl = kUseLocalNetwork
+        ? 'http://localhost:8001'
+        : 'https://api.sn.solsynth.dev';
+
+    final resp = await dio.post('/cgi/id/auth/token', data: {
       'grant_type': 'refresh_token',
       'refresh_token': rtk,
     });

lib/providers/userinfo.dart

@@ -10,12 +10,11 @@ class UserProvider extends ChangeNotifier {
   bool isAuthorized = false;
   SnAccount? user;
 
-  late final SnNetworkProvider sn;
-
+  late final SnNetworkProvider _sn;
   late final FlutterSecureStorage _storage = FlutterSecureStorage();
 
   UserProvider(BuildContext context) {
-    sn = context.read<SnNetworkProvider>();
+    _sn = context.read<SnNetworkProvider>();
 
     _storage.read(key: kAtkStoreKey).then((value) {
       isAuthorized = value != null;
@@ -31,7 +30,7 @@ class UserProvider extends ChangeNotifier {
   Future<SnAccount?> refreshUser() async {
     if (!isAuthorized) return null;
 
-    final resp = await sn.client.get('/cgi/id/users/me');
+    final resp = await _sn.client.get('/cgi/id/users/me');
     final out = SnAccount.fromJson(resp.data);
 
     user = out;
@@ -39,4 +38,11 @@ class UserProvider extends ChangeNotifier {
 
     return out;
   }
+
+  void logoutUser() async {
+    _sn.clearTokenPair();
+    isAuthorized = false;
+    user = null;
+    notifyListeners();
+  }
 }