73 lines
2.4 KiB
Dart
73 lines
2.4 KiB
Dart
/// Browser library for the Angel framework.
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library angel_client.browser;
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import 'dart:async' show Future, Stream, StreamController;
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import 'dart:convert' show JSON;
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import 'dart:html' show CustomEvent, window;
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import 'package:http/browser_client.dart' as http;
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import 'angel_client.dart';
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import 'auth_types.dart' as auth_types;
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import 'base_angel_client.dart';
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export 'angel_client.dart';
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/// Queries an Angel server via REST.
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class Rest extends BaseAngelClient {
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Rest(String basePath) : super(new http.BrowserClient(), basePath);
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@override
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Future<AngelAuthResult> authenticate(
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{String type: auth_types.LOCAL,
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credentials,
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String authEndpoint: '/auth',
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String reviveEndpoint: '/auth/token'}) async {
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if (type == null) {
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if (!window.localStorage.containsKey('token')) {
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throw new Exception(
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'Cannot revive token from localStorage - there is none.');
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}
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try {
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final result = await super.authenticate(
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credentials: {'token': JSON.decode(window.localStorage['token'])},
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reviveEndpoint: reviveEndpoint);
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window.localStorage['token'] = JSON.encode(authToken = result.token);
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window.localStorage['user'] = JSON.encode(result.data);
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return result;
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} catch (e, st) {
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throw new AngelHttpException(e,
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message: 'Failed to revive auth token.', stackTrace: st);
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}
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} else {
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final result = await super.authenticate(
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type: type, credentials: credentials, authEndpoint: authEndpoint);
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window.localStorage['token'] = JSON.encode(authToken = result.token);
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window.localStorage['user'] = JSON.encode(result.data);
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return result;
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}
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}
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@override
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Stream<String> authenticateViaPopup(String url,
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{String eventName: 'token', String errorMessage}) {
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var ctrl = new StreamController<String>();
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var wnd = window.open(url, 'angel_client_auth_popup');
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wnd
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..on['beforeunload'].listen((_) {
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if (!ctrl.isClosed) {
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ctrl.addError(new AngelHttpException.notAuthenticated(
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message:
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errorMessage ?? 'Authentication via popup window failed.'));
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ctrl.close();
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}
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})
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..on[eventName ?? 'token'].listen((CustomEvent e) {
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if (!ctrl.isClosed) {
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ctrl.add(e.detail);
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ctrl.close();
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}
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});
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return ctrl.stream;
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}
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}
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