Added Twit dep

example/server.dart

@@ -3,6 +3,7 @@ import 'package:angel_auth/angel_auth.dart';
 import 'package:angel_auth_twitter/angel_auth_twitter.dart';
 import 'package:angel_diagnostics/angel_diagnostics.dart';
 import 'package:angel_framework/angel_framework.dart';
+import 'package:twit/twit.dart';
 
 const Map<String, String> TWITTER_CONFIG = const {
   'callback': 'http://localhost:3000/auth/twitter/callback',
@@ -10,21 +11,26 @@ const Map<String, String> TWITTER_CONFIG = const {
   'secret': 'n2oA0ZtR7TzYincpMYElRpyYovAQlhYizTkTm2x5QxjH6mLVyE'
 };
 
+verifier(Twit twit) async {
+  // Maybe fetch user credentials:
+  return await twit.get('/account/verify_credentials.json');
+}
+
 main() async {
   var app = new Angel();
 
   var auth = new AngelAuth(jwtKey: 'AUTH_TWITTER_SECRET', allowCookie: false);
   await app.configure(auth);
 
-  auth.serializer = (user) async => user.id_str;
+  auth.serializer = (user) async => user['screen_name'];
 
-  auth.deserializer = (id) async {
+  auth.deserializer = (screenName) async {
     // Of course, in a real app, you would fetch
     // user data, but not here.
-    return {'id': id};
+    return {'handle': '@$screenName'};
   };
 
-  auth.strategies.add(new TwitterStrategy(config: TWITTER_CONFIG));
+  auth.strategies.add(new TwitterStrategy(verifier, config: TWITTER_CONFIG));
 
   app
     ..get('/', auth.authenticate('twitter'))
@@ -36,9 +42,11 @@ main() async {
         })))
     ..chain('auth').get('/home', (req, res) {
       res
-        ..write('Hello, user #${req.user["id"]}!')
+        ..write('Your Twitter handle is ${req.user["handle"]}.')
         ..end();
     });
 
-  await new DiagnosticsServer(app, new File('log.txt')).startServer(null, 3000);
+  await app.configure(logRequests(new File('log.txt')));
+  var server = await app.startServer(null, 3000);
+  print('Listening at http://${server.address.address}:${server.port}');
 }

lib/angel_auth_twitter.dart

@@ -5,18 +5,23 @@ import 'dart:io';
 import 'package:angel_auth/angel_auth.dart';
 import 'package:angel_framework/angel_framework.dart';
 import 'package:crypto/crypto.dart';
+import 'package:http/http.dart' as http;
 import 'package:random_string/random_string.dart' as rs;
+import 'package:twit/twit.dart';
 
 const String _ENDPOINT = "https://api.twitter.com";
 
+typedef TwitterAuthVerifier(Twit twit);
+
 class TwitterStrategy extends AuthStrategy {
   HttpClient _client = new HttpClient();
   final Map<String, dynamic> config;
+  final TwitterAuthVerifier verifier;
 
   @override
   String get name => 'twitter';
 
-  TwitterStrategy({this.config: const {}});
+  TwitterStrategy(this.verifier, {this.config: const {}});
 
   String _createSignature(
       String method, String uriString, Map<String, String> params,
@@ -83,7 +88,7 @@ class TwitterStrategy extends AuthStrategy {
     var body = await rs.transform(UTF8.decoder).join();
 
     if (rs.statusCode != HttpStatus.OK) {
-      throw new AngelHttpException.NotAuthenticated(
+      throw new AngelHttpException.notAuthenticated(
           message: 'Twitter authentication error: $body');
     }
 
@@ -126,6 +131,7 @@ class TwitterStrategy extends AuthStrategy {
 
   @override
   Future<bool> canLogout(RequestContext req, ResponseContext res) async => true;
+
   @override
   authenticate(RequestContext req, ResponseContext res,
       [AngelAuthOptions options]) async {
@@ -145,13 +151,14 @@ class TwitterStrategy extends AuthStrategy {
     var verifier = req.query['oauth_verifier'];
     var loginData = await createAccessToken(token, verifier);
 
-    var oauthToken = loginData['oauth_token'];
-    var oauthTokenSecret = loginData['oauth_token_secret'];
+    var credentials = new TwitterCredentials(
+      consumerKey: config['key'],
+      consumerSecret: config['secret'],
+      accessToken: loginData['oauth_token'],
+      accessTokenSecret: loginData['oauth_token_secret']
+    );
 
-    var request = await _prepRequest('/1.1/account/verify_credentials.json',
-        accessToken: oauthToken, tokenSecret: oauthTokenSecret);
-    var rs = await request.close();
-    var body = await rs.transform(UTF8.decoder).join();
-    return new Extensible()..properties.addAll(JSON.decode(body));
+    var twit = new Twit(credentials, new http.Client());
+    return await this.verifier(twit);
   }
 }

pubspec.yaml

@@ -4,9 +4,10 @@ environment:
   sdk: ">=1.19.0"
 homepage: "https://github.com/angel-dart/auth_twitter.git"
 name: "angel_auth_twitter"
-version: "1.0.0"
+version: "1.0.1"
 dependencies: 
   angel_auth: "^1.0.0-dev"
   random_string: "^0.0.1"
+  twit: ^0.0.0
 dev_dependencies: 
   angel_diagnostics: "^1.0.0-dev+5"