Surface/lib/screens/auth/captcha.web.dart

52 lines
1.5 KiB
Dart

// ignore_for_file: invalid_runtime_check_with_js_interop_types
import 'dart:ui_web' as ui;
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/pods/config.dart';
import 'package:island/widgets/app_scaffold.dart';
import 'package:web/web.dart' as web;
import 'package:flutter/material.dart';
class CaptchaScreen extends HookConsumerWidget {
const CaptchaScreen({super.key});
void _setupWebListener(BuildContext context, String serverUrl) {
web.window.onMessage.listen((event) {
if (event.data != null && event.data is String) {
final message = event.data as String;
if (message.startsWith("captcha_tk=")) {
String token = message.replaceFirst("captcha_tk=", "");
if (context.mounted) Navigator.pop(context, token);
}
}
});
final iframe =
web.HTMLIFrameElement()
..src = '$serverUrl/captcha'
..style.border = 'none'
..width = '100%'
..height = '100%';
web.document.body!.append(iframe);
ui.platformViewRegistry.registerViewFactory(
'captcha-iframe',
(int viewId) => iframe,
);
}
@override
Widget build(BuildContext context, WidgetRef ref) {
useCallback(() {
final serverUrl = ref.watch(serverUrlProvider);
_setupWebListener(context, serverUrl);
}, []);
return AppScaffold(
appBar: AppBar(title: Text("Anti-Robot")),
body: HtmlElementView(viewType: 'captcha-iframe'),
);
}
}