refactor uri scheme handling

app/lib/domain/services/generic_website.dart

@@ -33,6 +33,7 @@ import 'package:socks5_proxy/socks_client.dart';
 import 'package:weblibre/core/http_error_handler.dart';
 import 'package:weblibre/data/models/web_page_info.dart';
 import 'package:weblibre/extensions/http_encoding.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/domain/entities/browser_icon.dart';
 import 'package:weblibre/features/user/domain/repositories/cache.dart';
 import 'package:weblibre/features/web_feed/utils/feed_finder.dart';
@@ -129,9 +130,7 @@ class GenericWebsiteService extends _$GenericWebsiteService {
     return uri;
   }
 
-  static bool _isHttpUrl(Uri url) {
+  static bool _isHttpUrl(Uri url) => url.isHttpOrHttps;
-    return url.scheme.startsWith('https') || url.scheme.startsWith('http');
-  }
 
   static List<Resource> _extractIcons(Uri baseUrl, Document document) {
     final List<Resource> icons = [];

app/lib/domain/services/generic_website.g.dart

@@ -42,7 +42,7 @@ final class GenericWebsiteServiceProvider
 }
 
 String _$genericWebsiteServiceHash() =>
-    r'b320635f651574a500ee6764688ef26b6d39ef8f';
+    r'a2bd892f0ca07467eaa906648e57f232a7e50155';
 
 abstract class _$GenericWebsiteService extends $Notifier<void> {
   void build();

app/lib/extensions/uri.dart

@@ -24,4 +24,8 @@ extension UriX on Uri {
   Uri get base => Uri.parse('$scheme://$authority');
 
   bool get hasSupportedScheme => _supportedSchemes.contains(scheme);
+
+  bool get isHttp => isScheme('http');
+  bool get isHttps => isScheme('https');
+  bool get isHttpOrHttps => isHttp || isHttps;
 }

app/lib/features/geckoview/features/browser/presentation/providers/site_settings_badge_provider.dart

@@ -19,14 +19,13 @@
  */
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/domain/providers/tab_state.dart';
 import 'package:weblibre/features/geckoview/features/browser/domain/repositories/site_permissions.dart';
 import 'package:weblibre/features/geckoview/features/browser/presentation/widgets/sheets/tracking_protection_provider.dart';
 
 part 'site_settings_badge_provider.g.dart';
 
-const _supportedSchemes = {'http', 'https'};
-
 /// Provider that determines whether to show the site settings badge on the tab icon.
 /// Returns true if any site-specific setting has been altered from defaults.
 @Riverpod()
@@ -41,8 +40,7 @@ Future<bool> showSiteSettingsBadge(Ref ref) async {
     hasTrackingProtectionExceptionProvider(tabState.id).future,
   );
 
-  if (!tabState.url.hasScheme ||
+  if (!tabState.url.hasScheme || !tabState.url.isHttpOrHttps) {
-      !_supportedSchemes.contains(tabState.url.scheme)) {
     return false;
   }
 

app/lib/features/geckoview/features/browser/presentation/providers/site_settings_badge_provider.g.dart

@@ -48,4 +48,4 @@ final class ShowSiteSettingsBadgeProvider
 }
 
 String _$showSiteSettingsBadgeHash() =>
-    r'e326617d2d794844c6bbe6d909042b91d95c2996';
+    r'd1499809901363705d23b17aab375fd414080544';

app/lib/features/geckoview/features/browser/presentation/widgets/browser_modules/app_bar_title.dart

@@ -25,6 +25,7 @@ import 'package:skeletonizer/skeletonizer.dart';
 import 'package:text_scroll/text_scroll.dart';
 import 'package:weblibre/core/design/app_colors.dart';
 import 'package:weblibre/core/routing/routes.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/domain/controllers/bottom_sheet.dart';
 import 'package:weblibre/features/geckoview/domain/providers/tab_state.dart';
 import 'package:weblibre/features/geckoview/features/browser/domain/entities/sheet.dart';
@@ -52,7 +53,7 @@ class AppBarTitle extends HookConsumerWidget {
     }
 
     final icon = useMemoized(() {
-      if (tabState.url.isScheme('http')) {
+      if (tabState.url.isHttp) {
         return Icon(
           MdiIcons.lockOff,
           color: Theme.of(context).colorScheme.error,

app/lib/features/geckoview/features/browser/presentation/widgets/certificate_tile.dart

@@ -22,6 +22,7 @@ import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:skeletonizer/skeletonizer.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/domain/providers/tab_state.dart';
 
 class CertificateTile extends HookConsumerWidget {
@@ -36,7 +37,7 @@ class CertificateTile extends HookConsumerWidget {
     }
 
     final icon = useMemoized(() {
-      if (tabState.url.isScheme('http')) {
+      if (tabState.url.isHttp) {
         return ListTile(
           leading: Icon(
             MdiIcons.lockOff,

app/lib/features/geckoview/features/open_link_tools/domain/services/url_cleaner_service.dart

@@ -17,6 +17,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/features/open_link_tools/domain/entities/url_cleaner_result.dart';
 import 'package:weblibre/features/geckoview/features/open_link_tools/domain/services/url_cleaner_rule.dart';
 
@@ -243,8 +244,7 @@ List<String> _findQueryParamMatchesWithRegex(String url, RegExp paramRegex) {
 bool _hasSafeScheme(String url) {
   final parsed = Uri.tryParse(url);
   if (parsed == null || !parsed.hasScheme) return true; // schemeless is ok
-  final scheme = parsed.scheme.toLowerCase();
+  return parsed.isHttpOrHttps;
-  return scheme == 'http' || scheme == 'https';
 }
 
 // Pre-compiled regexes for URL normalization — avoids recompiling on every call.

app/lib/features/geckoview/features/open_link_tools/domain/services/url_unshortener_service.dart

@@ -22,6 +22,7 @@ import 'dart:convert';
 import 'package:flutter/services.dart';
 import 'package:http/http.dart' as http;
 import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/features/open_link_tools/data/models/unshorten_response_data.dart';
 import 'package:weblibre/features/geckoview/features/open_link_tools/domain/entities/unshorten_result.dart';
 
@@ -136,14 +137,11 @@ class UrlUnshortenerService extends _$UrlUnshortenerService {
     // Reject non-HTTP(S) URLs from the API to prevent scheme-based attacks.
     if (result.success && result.finalUrl != null) {
       final parsed = Uri.tryParse(result.finalUrl!);
-      if (parsed != null && parsed.hasScheme) {
+      if (parsed != null && parsed.hasScheme && !parsed.isHttpOrHttps) {
-        final scheme = parsed.scheme.toLowerCase();
+        return UnshortenResult(
-        if (scheme != 'http' && scheme != 'https') {
+          success: false,
-          return UnshortenResult(
+          error: 'Unsupported URL scheme: ${parsed.scheme}',
-            success: false,
+        );
-            error: 'Unsupported URL scheme: $scheme',
-          );
-        }
       }
     }
 

app/lib/features/geckoview/features/open_link_tools/domain/services/url_unshortener_service.g.dart

@@ -34,7 +34,7 @@ final class UrlUnshortenerServiceProvider
 }
 
 String _$urlUnshortenerServiceHash() =>
-    r'627fd3cc6f6c2251f8f582fcff27cb5a7e2c7813';
+    r'19dae758ed0c48cb183e3da814d01039548fae40';
 
 abstract class _$UrlUnshortenerService extends $AsyncNotifier<Set<String>> {
   FutureOr<Set<String>> build();

app/lib/features/geckoview/features/open_link_tools/presentation/dialogs/open_shared_content.dart

@@ -68,13 +68,10 @@ class OpenSharedContent extends HookConsumerWidget {
     // Debounce the URL to avoid running expensive operations on every keystroke.
     final debouncedUrl = useState(currentUrl);
     final debouncer = useDebouncer(const Duration(milliseconds: 300));
-    useEffect(
+    useEffect(() {
-      () {
+      debouncer.eventOccured(() => debouncedUrl.value = currentUrl);
-        debouncer.eventOccured(() => debouncedUrl.value = currentUrl);
+      return null;
-        return null;
+    }, [currentUrl]);
-      },
-      [currentUrl],
-    );
 
     final parsedDebouncedUrl = Uri.tryParse(debouncedUrl.value);
     final hasExternalApp = useCachedFuture(

app/lib/presentation/controllers/website_title.dart

@@ -23,6 +23,7 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:weblibre/data/models/web_page_info.dart';
 import 'package:weblibre/domain/services/generic_website.dart';
 import 'package:weblibre/extensions/ref_cache.dart';
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/features/geckoview/domain/entities/states/tab.dart';
 import 'package:weblibre/features/geckoview/domain/providers/tab_state.dart';
 import 'package:weblibre/features/geckoview/features/tabs/domain/repositories/tab.dart';
@@ -32,16 +33,13 @@ import 'package:weblibre/features/user/domain/repositories/tor_settings.dart';
 
 part 'website_title.g.dart';
 
-const _supportedFetchSchemes = {'http', 'https'};
-
 @Riverpod()
 class CompletePageInfo extends _$CompletePageInfo {
   @override
   AsyncValue<WebPageInfo> build(TabState cached) {
     ref.cacheFor(const Duration(minutes: 2));
 
-    if (cached.isPageInfoComplete ||
+    if (cached.isPageInfoComplete || !cached.url.isHttpOrHttps) {
-        !_supportedFetchSchemes.contains(cached.url.scheme)) {
       return AsyncData(cached);
     }
 

app/lib/presentation/controllers/website_title.g.dart

@@ -58,7 +58,7 @@ final class CompletePageInfoProvider
   }
 }
 
-String _$completePageInfoHash() => r'edf5538b913d1ebb285c15ec83644818fe90707d';
+String _$completePageInfoHash() => r'4af0e7c06f07e95aa7e0037782e1a7e661ee61d1';
 
 final class CompletePageInfoFamily extends $Family
     with

app/lib/utils/form_validators.dart

@@ -21,6 +21,7 @@ import 'dart:io';
 
 import 'package:nullability/nullability.dart';
 import 'package:path/path.dart' as p;
+import 'package:weblibre/extensions/uri.dart';
 import 'package:weblibre/utils/uri_parser.dart' as uri_parser;
 
 String? validateUrl(
@@ -41,8 +42,7 @@ String? validateUrl(
   if (uri_parser.tryParseUrl(value, eagerParsing: eagerParsing)
       case final Uri url) {
     if (!requireAuthority || url.authority.isNotEmpty) {
-      if (!onlyHttpProtocol ||
+      if (!onlyHttpProtocol || url.isHttpOrHttps) {
-          (url.isScheme('https') || url.isScheme('http'))) {
         return null;
       }
     }