From 6bc93f7b7d4e1188b79c5b77d3142f125c93cb27 Mon Sep 17 00:00:00 2001
From: Fabian Freund <github@fabi.online>
Date: Wed, 30 Jul 2025 22:04:22 +0200
Subject: [PATCH] refactor uri scheme validation

---
 app/lib/extensions/uri.dart   | 5 +++++
 app/lib/utils/uri_parser.dart | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/lib/extensions/uri.dart b/app/lib/extensions/uri.dart
index e9a36938..f1d2700f 100644
--- a/app/lib/extensions/uri.dart
+++ b/app/lib/extensions/uri.dart
@@ -17,6 +17,11 @@
  * 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/>.
  */
+
+const _supportedSchemes = {'https', 'http', 'ftp', 'file', 'content', 'about'};
+
 extension UriX on Uri {
   Uri get base => Uri.parse('$scheme://$authority');
+
+  bool get hasSupportedScheme => _supportedSchemes.contains(scheme);
 }
diff --git a/app/lib/utils/uri_parser.dart b/app/lib/utils/uri_parser.dart
index 0f571589..fda07830 100644
--- a/app/lib/utils/uri_parser.dart
+++ b/app/lib/utils/uri_parser.dart
@@ -18,9 +18,9 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'package:universal_io/io.dart';
+import 'package:weblibre/extensions/uri.dart';
 
 final _domainRegex = RegExp(r'\.[a-zA-Z]{2,}$');
-const _supportedSchemes = {'https', 'http', 'ftp', 'file', 'content', 'about'};
 
 Uri? tryParseUrl(String? input, {bool eagerParsing = false}) {
   if (input != null) {
@@ -42,7 +42,7 @@ Uri? tryParseUrl(String? input, {bool eagerParsing = false}) {
         }
 
         if (uri.authority.isNotEmpty) {
-          if (_supportedSchemes.contains(uri.scheme) || !uri.hasScheme) {
+          if (uri.hasSupportedScheme || !uri.hasScheme) {
             return uri;
           }
         }