93 lines
2.5 KiB
Dart
93 lines
2.5 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:angel_auth/angel_auth.dart';
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import 'package:angel_auth_twitter/angel_auth_twitter.dart';
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import 'package:angel_framework/angel_framework.dart';
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import 'package:angel_framework/http.dart';
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import 'package:logging/logging.dart';
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class _User {
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final String handle;
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_User(this.handle);
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Map<String, dynamic> toJson() => {'handle': handle};
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}
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void main() async {
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var app = Angel();
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var http = AngelHttp(app);
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var auth = AngelAuth<_User>(
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jwtKey: 'AUTH_TWITTER_SECRET',
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allowCookie: false,
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serializer: (user) async => user.handle,
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deserializer: (screenName) async {
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// Of course, in a real app, you would fetch
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// user data, but not here.
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return _User(screenName.toString());
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},
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);
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auth.strategies['twitter'] = TwitterStrategy(
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ExternalAuthOptions(
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clientId: Platform.environment['TWITTER_CLIENT_ID'] ??
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'qlrBWXneoSYZKS2bT4TGHaNaV',
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clientSecret: Platform.environment['TWITTER_CLIENT_SECRET'] ??
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'n2oA0ZtR7TzYincpMYElRpyYovAQlhYizTkTm2x5QxjH6mLVyE',
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redirectUri: Platform.environment['TWITTER_REDIRECT_URI'] ??
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'http://localhost:3000/auth/twitter/callback',
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),
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(twit, req, res) async {
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var response = await twit.twitterClient.get(Uri.parse(
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'https://api.twitter.com/1.1/account/verify_credentials.json'));
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var userData = json.decode(response.body) as Map;
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return _User(userData['screen_name'] as String);
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},
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(e, req, res) async {
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// When an error occurs, i.e. the user declines to approve the application.
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if (e.isDenial) {
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res.write("Why'd you say no???");
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} else {
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res.write('oops: ${e.message}');
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}
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},
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);
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app
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..fallback(auth.decodeJwt)
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..get('/', auth.authenticate('twitter'));
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app.get(
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'/auth/twitter/callback',
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auth.authenticate(
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'twitter',
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AngelAuthOptions(
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callback: (req, res, jwt) {
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return res.redirect('/home?token=$jwt');
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},
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),
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),
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);
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app.get(
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'/home',
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chain([
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requireAuthentication<_User>(),
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(req, res) {
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var user = req.container.make<_User>();
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res.write('Your Twitter handle is ${user.handle}');
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return false;
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},
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]),
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);
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app.logger = Logger('angel_auth_twitter')
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..onRecord.listen((rec) {
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print(rec);
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if (rec.error != null) print(rec.error);
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if (rec.stackTrace != null) print(rec.stackTrace);
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});
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await http.startServer('127.0.0.1', 3000);
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print('Listening at ${http.uri}');
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}
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