refact: oidc, launch url (rustdesk#11772)

Signed-off-by: fufesou <linlong1266@gmail.com>

Author: fufesou

flutter/lib/common.dart

@@ -2878,6 +2878,7 @@ Future<bool> canBeBlocked() async {
   return access_mode == 'view' || (access_mode.isEmpty && !option);
 }
 
+// to-do: web not implemented
 Future<void> shouldBeBlocked(RxBool block, WhetherUseRemoteBlock? use) async {
   if (use != null && !await use()) {
     block.value = false;

flutter/lib/common/widgets/login.dart

@@ -166,10 +166,13 @@ class _WidgetOPState extends State<WidgetOP> {
       final String stateMsg = resultMap['state_msg'];
       String failedMsg = resultMap['failed_msg'];
       final String? url = resultMap['url'];
+      final bool urlLaunched = (resultMap['url_launched'] as bool?) ?? false;
       final authBody = resultMap['auth_body'];
       if (_stateMsg != stateMsg || _failedMsg != failedMsg) {
         if (_url.isEmpty && url != null && url.isNotEmpty) {
-          launchUrl(Uri.parse(url), mode: LaunchMode.externalApplication);
+          if (!urlLaunched) {
+            launchUrl(Uri.parse(url), mode: LaunchMode.externalApplication);
+          }
           _url = url;
         }
         if (authBody != null) {