97 lines
3.2 KiB
Dart
97 lines
3.2 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_framework/angel_framework.dart';
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import 'package:angel_auth_oauth2/angel_auth_oauth2.dart';
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import 'package:logging/logging.dart';
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import 'package:oauth2/oauth2.dart' as oauth2;
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final AngelAuthOAuth2Options oAuth2Config = new AngelAuthOAuth2Options(
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callback: 'http://localhost:3000/auth/github/callback',
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key: '6caeaf5d4c04936ec34f',
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secret: '178360518cf9de4802e2346a4b6ebec525dc4427',
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authorizationEndpoint: 'http://github.com/login/oauth/authorize',
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tokenEndpoint: 'https://github.com/login/oauth/access_token',
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getParameters: (contentType, body) {
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if (contentType.type == 'application') {
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if (contentType.subtype == 'x-www-form-urlencoded')
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return Uri.splitQueryString(body);
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else if (contentType.subtype == 'json')
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return (json.decode(body) as Map).cast<String, String>();
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}
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throw new FormatException(
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'Invalid content-type $contentType; expected application/x-www-form-urlencoded or application/json.');
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});
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main() async {
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var app = new Angel();
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app.use('/users', new MapService());
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var auth =
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new AngelAuth<User>(jwtKey: 'oauth2 example secret', allowCookie: false);
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auth.deserializer =
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(id) => app.service('users').read(id).then((u) => User.parse(u as Map));
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auth.serializer = (User user) async => user.id;
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auth.strategies['github'] = new OAuth2Strategy(
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oAuth2Config,
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(oauth2.Client client) async {
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var response = await client.get('https://api.github.com/user');
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var ghUser = json.decode(response.body);
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var id = ghUser['id'];
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Iterable<Map> matchingUsers = await app.service('users').index({
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'query': {'githubId': id}
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});
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if (matchingUsers.isNotEmpty) {
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// Return the corresponding user, if it exists
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return User.parse(matchingUsers.firstWhere((u) => u['githubId'] == id));
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} else {
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// Otherwise,create a user
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return await app
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.service('users')
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.create({'githubId': id}).then((u) => User.parse(u as Map));
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}
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},
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);
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app.get('/auth/github', auth.authenticate('github'));
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app.get(
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'/auth/github/callback',
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auth.authenticate('github',
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new AngelAuthOptions(callback: (req, res, jwt) async {
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// In real-life, you might include a pop-up callback script.
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//
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// Use `confirmPopupAuthentication`, which is bundled with
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// `package:angel_auth`.
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res.write('Your JWT: $jwt');
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})));
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await app.configure(auth.configureServer);
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app.logger = new Logger('angel')..onRecord.listen(print);
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var http = new AngelHttp(app);
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var server = await http.startServer(InternetAddress.loopbackIPv4, 3000);
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var url = 'http://${server.address.address}:${server.port}';
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print('Listening on $url');
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print('View user listing: $url/users');
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print('Sign in via Github: $url/auth/github');
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}
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class User extends Model {
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@override
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String id;
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int githubId;
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User({this.id, this.githubId});
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static User parse(Map map) =>
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new User(id: map['id'] as String, githubId: map['github_id'] as int);
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Map<String, dynamic> toJson() => {'id': id, 'github_id': githubId};
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}
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