101 lines
2.5 KiB
Dart
101 lines
2.5 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:localization/localization.dart';
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import 'package:universal_html/html.dart' as html;
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import 'package:loris/business_logic/auth/oauth.dart' as oauth;
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class Weblogin extends StatefulWidget {
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const Weblogin({Key? key, required this.url}) : super(key: key);
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final String url;
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@override
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State<Weblogin> createState() => _WebloginState();
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}
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class _WebloginState extends State<Weblogin> {
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bool doneLoading = false;
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void doAuth() async {
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final appresponse = await oauth.registerApp(widget.url);
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if (appresponse.statusCode != 200) {
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informAboutFailure(appresponse.statusCode);
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return;
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}
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final app = oauth.App.fromJson(jsonDecode(appresponse.body));
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var popupWin = html.window.open(
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oauth.getAuthUrl(widget.url, app).toString(),
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"loris",
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);
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html.window.onMessage.listen((event) async {
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final uri = Uri.parse(event.data);
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if (uri.queryParameters.containsKey("code")) {
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popupWin.close();
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final token = await oauth.getToken(
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uri.queryParameters["code"]!,
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app.clientId,
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app.clientSecret,
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widget.url,
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);
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await oauth.saveIdentity(token, widget.url, app.clientId,
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app.clientSecret, uri.queryParameters["code"]!);
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setState(() {
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doneLoading = true;
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});
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}
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});
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}
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void informAboutFailure(int i) {
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ScaffoldMessenger.of(context)
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.showSnackBar(SnackBar(content: Text("error: $i")));
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}
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@override
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void initState() {
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super.initState();
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doAuth();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Column(
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children: [
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SelectableText(widget.url),
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doneLoading
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? TextButton.icon(
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onPressed: () {
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Navigator.of(context).pushReplacementNamed("/");
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},
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icon: const Icon(
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Icons.navigate_next,
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),
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label: Text(
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"jack-in".i18n(),
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),
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)
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: const LoadingIndicator(),
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],
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),
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);
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}
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}
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class LoadingIndicator extends StatelessWidget {
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const LoadingIndicator({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Wrap(
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alignment: WrapAlignment.center,
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spacing: 24,
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children: [
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const CircularProgressIndicator(),
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SelectableText("jacking-in".i18n()),
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],
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);
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}
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}
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