| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| import 'dart:convert'; |
| |
| import '../command.dart'; |
| import '../command_runner.dart'; |
| import '../log.dart' as log; |
| import '../oauth2.dart' as oauth2; |
| |
| /// Handles the `login` pub command. |
| class LoginCommand extends PubCommand { |
| @override |
| String get name => 'login'; |
| @override |
| String get description => 'Log into pub.dev.'; |
| @override |
| String get invocation => 'pub login'; |
| |
| LoginCommand(); |
| |
| @override |
| Future<void> runProtected() async { |
| final credentials = oauth2.loadCredentials(cache); |
| if (credentials == null) { |
| final userInfo = await _retrieveUserInfo(); |
| if (userInfo == null) { |
| log.warning('Could not retrieve your user-details.\n' |
| 'You might have to run `$topLevelProgram pub logout` to delete your credentials and try again.'); |
| } else { |
| log.message('You are now logged in as $userInfo'); |
| } |
| } else { |
| final userInfo = await _retrieveUserInfo(); |
| if (userInfo == null) { |
| log.warning('Your credentials seems broken.\n' |
| 'Run `$topLevelProgram pub logout` to delete your credentials and try again.'); |
| } |
| log.warning('You are already logged in as $userInfo\n' |
| 'Run `$topLevelProgram pub logout` to log out and try again.'); |
| } |
| } |
| |
| Future<_UserInfo?> _retrieveUserInfo() async { |
| return await oauth2.withClient(cache, (client) async { |
| final discovery = await oauth2.fetchOidcDiscoveryDocument(); |
| final userInfoEndpoint = discovery['userinfo_endpoint']; |
| final userInfoRequest = await client.get(Uri.parse(userInfoEndpoint)); |
| if (userInfoRequest.statusCode != 200) return null; |
| try { |
| final userInfo = json.decode(userInfoRequest.body); |
| final name = userInfo['name']; |
| final email = userInfo['email']; |
| if (email is String) { |
| return _UserInfo(name, email); |
| } else { |
| log.fine( |
| 'Bad response from $userInfoEndpoint: ${userInfoRequest.body}'); |
| return null; |
| } |
| } on FormatException catch (e) { |
| log.fine( |
| 'Bad response from $userInfoEndpoint ($e): ${userInfoRequest.body}'); |
| return null; |
| } |
| }); |
| } |
| } |
| |
| class _UserInfo { |
| final String? name; |
| final String email; |
| _UserInfo(this.name, this.email); |
| @override |
| String toString() => ['<$email>', name ?? ''].join(' '); |
| } |