Fix infinite sub expire date (#334)

* Fix infinite sub expire date

* fix expire

* fix build

* refactor

* make it better readable

* Fix infinite sub

* Add test for infinite sub

---------

Co-authored-by: Hiddify <114227601+hiddify-com@users.noreply.github.com>
Co-authored-by: problematicconsumer <problematicconsumer@protonmail.com>

lib/features/profile/data/profile_parser.dart

@@ -14,6 +14,9 @@ import 'package:uuid/uuid.dart';
 /// - url filename extension (example: `https://example.com/config.json`) -> name=`config`
 /// - if none of these methods return a non-blank string, fallback to `Remote Profile`
 abstract class ProfileParser {
+  static const infiniteTrafficThreshold = 9223372036854775807;
+  static const infiniteTimeThreshold = 92233720368;
+
   static RemoteProfileEntity parse(
     String url,
     Map<String, List<String>> headers,
@@ -89,16 +92,15 @@ abstract class ProfileParser {
           "upload": final upload?,
           "download": final download?,
           "total": var total,
-          "expire": final expire
+          "expire": var expire
         }) {
-      total = total ?? 0;
+      total = (total == null || total == 0) ? infiniteTrafficThreshold : total;
+      expire = (expire == null || expire == 0) ? infiniteTimeThreshold : expire;
       return SubscriptionInfo(
         upload: upload,
         download: download,
-        total: total == 0 ? 9223372036854775807 : total,
+        total: total,
-        expire: DateTime.fromMillisecondsSinceEpoch(
+        expire: DateTime.fromMillisecondsSinceEpoch(expire * 1000),
-          (expire ?? 92233720368) * 1000,
-        ),
       );
     }
     return null;

test/features/profile/data/profile_parser_test.dart

@@ -70,6 +70,36 @@ void main() {
           );
         },
       );
+
+      test(
+        "with infinite traffic and time",
+        () {
+          final headers = <String, List<String>>{
+            "profile-title": ["title"],
+            "profile-update-interval": ["1"],
+            "subscription-userinfo": [
+              "upload=0;download=1024;total=0;expire=0",
+            ],
+            "profile-web-page-url": [validBaseUrl],
+            "support-url": [validSupportUrl],
+          };
+          final profile = ProfileParser.parse(validExtendedUrl, headers);
+
+          expect(profile.subInfo, isNotNull);
+          expect(
+            profile.subInfo!.total,
+            equals(ProfileParser.infiniteTrafficThreshold),
+          );
+          expect(
+            profile.subInfo!.expire,
+            equals(
+              DateTime.fromMillisecondsSinceEpoch(
+                ProfileParser.infiniteTimeThreshold * 1000,
+              ),
+            ),
+          );
+        },
+      );
     },
   );
 }