platform/packages/auth_twitter/example/example.dart
2024-10-12 03:35:14 -07:00

91 lines
2.5 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'package:angel3_auth/angel3_auth.dart';
import 'package:angel3_auth_twitter/angel3_auth_twitter.dart';
import 'package:angel3_framework/angel3_framework.dart';
import 'package:angel3_framework/http.dart';
import 'package:logging/logging.dart';
class _User {
final String handle;
_User(this.handle);
Map<String, dynamic> toJson() => {'handle': handle};
}
void main() async {
var app = Protevus();
var http = ProtevusHttp(app);
var auth = AngelAuth<_User>(
jwtKey: 'AUTH_TWITTER_SECRET',
allowCookie: false,
serializer: (user) async => user.handle,
deserializer: (screenName) async {
// Of course, in a real app, you would fetch
// user data, but not here.
return _User(screenName.toString());
},
);
auth.strategies['twitter'] = TwitterStrategy(
ExternalAuthOptions(
clientId: Platform.environment['TWITTER_CLIENT_ID'] ??
'qlrBWXneoSYZKS2bT4TGHaNaV',
clientSecret: Platform.environment['TWITTER_CLIENT_SECRET'] ??
'n2oA0ZtR7TzYincpMYElRpyYovAQlhYizTkTm2x5QxjH6mLVyE',
redirectUri: Platform.environment['TWITTER_REDIRECT_URI'] ??
'http://localhost:3000/auth/twitter/callback',
),
(twit, req, res) async {
var response = await twit.client.get(Uri.parse(
'https://api.twitter.com/1.1/account/verify_credentials.json'));
var userData = json.decode(response.body) as Map;
return _User(userData['screen_name'] as String);
},
(e, req, res) async {
// When an error occurs, i.e. the user declines to approve the application.
if (e.isDenial) {
res.write("Why'd you say no???");
} else {
res.write('oops: ${e.message}');
}
},
);
app.get('/', auth.authenticate('twitter'));
app.get(
'/auth/twitter/callback',
auth.authenticate(
'twitter',
AngelAuthOptions(
callback: (req, res, jwt) {
return res.redirect('/home?token=$jwt');
},
),
),
);
app.get(
'/home',
chain([
requireAuthentication<_User>(),
(req, res) {
var user = req.container!.make<_User>();
res.write('Your Twitter handle is ${user.handle}');
return false;
},
]),
);
app.logger = Logger('angel_auth_twitter')
..onRecord.listen((rec) {
print(rec);
if (rec.error != null) print(rec.error);
if (rec.stackTrace != null) print(rec.stackTrace);
});
await http.startServer('127.0.0.1', 3000);
print('Listening at ${http.uri}');
}