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402
lib/pages/key_verification/key_verification_dialog.dart
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402
lib/pages/key_verification/key_verification_dialog.dart
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// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
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// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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import 'dart:convert';
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import 'dart:ui';
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import 'package:tatchat/l10n/l10n.dart';
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import 'package:tatchat/widgets/adaptive_dialogs/adaptive_dialog_action.dart';
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import 'package:tatchat/widgets/adaptive_dialogs/show_ok_cancel_alert_dialog.dart';
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import 'package:tatchat/widgets/avatar.dart';
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import 'package:tatchat/widgets/future_loading_dialog.dart';
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import 'package:flutter/services.dart';
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import 'package:material_ui/material_ui.dart';
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import 'package:matrix/encryption.dart';
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import 'package:matrix/matrix.dart';
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class KeyVerificationDialog extends StatefulWidget {
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Future<bool?> show(BuildContext context) => showAdaptiveDialog<bool>(
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context: context,
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builder: (context) => this,
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barrierDismissible: false,
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);
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final KeyVerification request;
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const KeyVerificationDialog({super.key, required this.request});
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@override
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KeyVerificationPageState createState() => KeyVerificationPageState();
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}
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class KeyVerificationPageState extends State<KeyVerificationDialog> {
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void Function()? originalOnUpdate;
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late final List<dynamic> sasEmoji;
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@override
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void initState() {
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originalOnUpdate = widget.request.onUpdate;
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widget.request.onUpdate = () {
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originalOnUpdate?.call();
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setState(() {});
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};
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widget.request.client.getProfileFromUserId(widget.request.userId).then((p) {
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profile = p;
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setState(() {});
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});
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rootBundle.loadString('assets/sas-emoji.json').then((e) {
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sasEmoji = json.decode(e);
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setState(() {});
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});
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super.initState();
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}
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@override
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void dispose() {
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widget.request.onUpdate =
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originalOnUpdate; // don't want to get updates anymore
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if (![
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KeyVerificationState.error,
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KeyVerificationState.done,
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].contains(widget.request.state)) {
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widget.request.cancel('m.user');
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}
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textEditingController?.dispose();
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super.dispose();
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}
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Profile? profile;
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Future<void> checkInput(String input) async {
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if (input.isEmpty) return;
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final valid = await showFutureLoadingDialog(
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context: context,
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future: () async {
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// make sure the loading spinner shows before we test the keys
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await Future.delayed(const Duration(milliseconds: 100));
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var valid = false;
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try {
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await widget.request.openSSSS(keyOrPassphrase: input);
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valid = true;
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} catch (_) {
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valid = false;
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}
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return valid;
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},
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);
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if (valid.error != null) {
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if (!mounted) return;
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await showOkAlertDialog(
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useRootNavigator: false,
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context: context,
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title: L10n.of(context).incorrectPassphraseOrKey,
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);
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}
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}
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TextEditingController? textEditingController;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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User? user;
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final directChatId = widget.request.client.getDirectChatFromUserId(
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widget.request.userId,
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);
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if (directChatId != null) {
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user = widget.request.client
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.getRoomById(directChatId)!
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.unsafeGetUserFromMemoryOrFallback(widget.request.userId);
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}
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final displayName =
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user?.calcDisplayname() ?? widget.request.userId.localpart!;
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var title = Text(L10n.of(context).verifyTitle);
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Widget body;
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final buttons = <Widget>[];
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switch (widget.request.state) {
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case KeyVerificationState.showQRSuccess:
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case KeyVerificationState.confirmQRScan:
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throw 'Not implemented';
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case KeyVerificationState.askSSSS:
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// prompt the user for their ssss passphrase / key
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textEditingController = TextEditingController();
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String input;
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body = Container(
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margin: const EdgeInsets.symmetric(horizontal: 8.0),
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child: Column(
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mainAxisSize: .min,
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children: <Widget>[
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Text(
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L10n.of(context).askSSSSSign,
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style: const TextStyle(fontSize: 20),
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),
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Container(height: 10),
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TextField(
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controller: textEditingController,
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autofocus: false,
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autocorrect: false,
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onSubmitted: (s) {
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input = s;
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checkInput(input);
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},
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minLines: 1,
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maxLines: 1,
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obscureText: true,
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decoration: InputDecoration(
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hintText: L10n.of(context).passphraseOrKey,
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prefixStyle: TextStyle(color: theme.colorScheme.primary),
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suffixStyle: TextStyle(color: theme.colorScheme.primary),
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border: const OutlineInputBorder(),
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),
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),
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],
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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child: Text(L10n.of(context).submit),
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onPressed: () => checkInput(textEditingController!.text),
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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child: Text(L10n.of(context).skip),
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onPressed: () => widget.request.openSSSS(skip: true),
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),
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);
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break;
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case KeyVerificationState.askAccept:
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title = Text(L10n.of(context).newVerificationRequest);
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body = Column(
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mainAxisSize: .min,
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children: [
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const SizedBox(height: 16),
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Avatar(
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mxContent: user?.avatarUrl,
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name: displayName,
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size: Avatar.defaultSize * 2,
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),
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const SizedBox(height: 16),
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Text(L10n.of(context).askVerificationRequest(displayName)),
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],
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);
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buttons.add(
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AdaptiveDialogAction(
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onPressed: () => widget.request.rejectVerification().then((_) {
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if (!context.mounted) return;
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Navigator.of(context, rootNavigator: false).pop(false);
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}),
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child: Text(
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L10n.of(context).reject,
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style: TextStyle(color: theme.colorScheme.error),
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),
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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onPressed: () => widget.request.acceptVerification(),
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child: Text(L10n.of(context).accept),
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),
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);
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break;
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case KeyVerificationState.askChoice:
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case KeyVerificationState.waitingAccept:
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body = Center(
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child: Column(
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children: <Widget>[
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const SizedBox(height: 16),
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Stack(
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alignment: Alignment.center,
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children: [
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Avatar(mxContent: user?.avatarUrl, name: displayName),
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const SizedBox(
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width: Avatar.defaultSize + 2,
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height: Avatar.defaultSize + 2,
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child: CircularProgressIndicator(strokeWidth: 2),
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),
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],
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),
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const SizedBox(height: 16),
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Text(
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L10n.of(context).waitingPartnerAcceptRequest,
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textAlign: TextAlign.center,
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),
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],
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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onPressed: () => widget.request.cancel(),
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child: Text(L10n.of(context).cancel),
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),
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);
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break;
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case KeyVerificationState.askSas:
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TextSpan compareWidget;
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// maybe add a button to switch between the two and only determine default
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// view for if "emoji" is a present sasType or not?
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if (widget.request.sasTypes.contains('emoji')) {
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title = Text(
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L10n.of(context).compareEmojiMatch,
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maxLines: 1,
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style: const TextStyle(fontSize: 16),
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);
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compareWidget = TextSpan(
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children: widget.request.sasEmojis
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.map((e) => WidgetSpan(child: _Emoji(e, sasEmoji)))
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.toList(),
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);
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} else {
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title = Text(L10n.of(context).compareNumbersMatch);
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final numbers = widget.request.sasNumbers;
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final numbstr = '${numbers.first}-${numbers[1]}-${numbers[2]}';
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compareWidget = TextSpan(
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text: numbstr,
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style: const TextStyle(fontSize: 40),
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);
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}
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body = Column(
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mainAxisSize: .min,
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children: <Widget>[
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Text.rich(compareWidget, textAlign: TextAlign.center),
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],
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);
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buttons.add(
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AdaptiveDialogAction(
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onPressed: () => widget.request.rejectSas(),
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child: Text(
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L10n.of(context).theyDontMatch,
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style: TextStyle(color: theme.colorScheme.error),
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),
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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onPressed: () => widget.request.acceptSas(),
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child: Text(L10n.of(context).theyMatch),
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),
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);
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break;
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case KeyVerificationState.waitingSas:
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final acceptText = widget.request.sasTypes.contains('emoji')
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? L10n.of(context).waitingPartnerEmoji
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: L10n.of(context).waitingPartnerNumbers;
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body = Column(
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mainAxisSize: .min,
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children: <Widget>[
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const SizedBox(height: 16),
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const CircularProgressIndicator.adaptive(strokeWidth: 2),
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const SizedBox(height: 16),
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Text(acceptText, textAlign: TextAlign.center),
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],
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);
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break;
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case KeyVerificationState.done:
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title = Text(L10n.of(context).verifySuccess);
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body = const Padding(
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padding: EdgeInsets.all(16.0),
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child: Icon(
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Icons.verified_outlined,
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color: Colors.green,
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size: 128.0,
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),
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);
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buttons.add(
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AdaptiveDialogAction(
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child: Text(L10n.of(context).close),
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onPressed: () =>
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Navigator.of(context, rootNavigator: false).pop(true),
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),
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);
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break;
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case KeyVerificationState.error:
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title = const Text('');
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body = Column(
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mainAxisSize: .min,
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children: <Widget>[
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const SizedBox(height: 16),
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Icon(Icons.cancel, color: theme.colorScheme.error, size: 64.0),
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const SizedBox(height: 16),
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// TODO: Add better error UI to user
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Text(
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'Error ${widget.request.canceledCode}: ${widget.request.canceledReason}',
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textAlign: TextAlign.center,
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),
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],
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);
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buttons.add(
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AdaptiveDialogAction(
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child: Text(L10n.of(context).close),
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onPressed: () =>
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Navigator.of(context, rootNavigator: false).pop(false),
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),
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);
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break;
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}
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return AlertDialog.adaptive(
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title: title,
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content: SizedBox(
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height: 256,
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width: 256,
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child: ListView(children: [body]),
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),
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actions: buttons,
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);
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}
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}
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class _Emoji extends StatelessWidget {
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final KeyVerificationEmoji emoji;
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final List<dynamic>? sasEmoji;
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const _Emoji(this.emoji, this.sasEmoji);
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String getLocalizedName() {
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final sasEmoji = this.sasEmoji;
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if (sasEmoji == null) {
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// asset is still being loaded
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return emoji.name;
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}
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final translations = Map<String, String?>.from(
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sasEmoji[emoji.number]['translated_descriptions'],
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);
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translations['en'] = emoji.name;
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for (final locale in PlatformDispatcher.instance.locales) {
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final wantLocaleParts = locale.toString().split('_');
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final wantLanguage = wantLocaleParts.removeAt(0);
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for (final haveLocale in translations.keys) {
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final haveLocaleParts = haveLocale.split('_');
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final haveLanguage = haveLocaleParts.removeAt(0);
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if (haveLanguage == wantLanguage &&
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(Set.from(haveLocaleParts)..removeAll(wantLocaleParts)).isEmpty &&
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(translations[haveLocale]?.isNotEmpty ?? false)) {
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return translations[haveLocale]!;
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}
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}
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}
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return emoji.name;
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: .min,
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children: <Widget>[
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Text(emoji.emoji, style: const TextStyle(fontSize: 50)),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4.0),
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child: Text(getLocalizedName()),
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),
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const SizedBox(height: 10, width: 5),
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],
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);
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}
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}
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Block a user