basic oauth finally but also more dependencies

lib/business_logic/auth/oauth.dart

@@ -30,10 +30,13 @@ class App {
   }
 }
 
-Future<http.Response> askKnownServerForAppRegistration() async {
+Future<http.Response> doOauthFlow() async {
   String url = await settings.loadInstanceUrl();
   try {
-    return await registerApp(url);
+    http.Response response = await registerApp(url);
+    print(response.body);
+    openBrowserForAuthCode(url, App.fromJson(jsonDecode(response.body)));
+    return response;
   } catch (e) {
     return http.Response(jsonEncode({}), 404);
   }
@@ -46,7 +49,7 @@ Future<http.Response> registerApp(String baseurl) async {
       headers: global.defaultHeaders,
       body: jsonEncode({
         'client_name': global.name,
-        'redirect_uris': "urn:ietf:wg:oauth:2.0:oob",
+        'redirect_uris': "http://localhost:4040",
         'scopes': "read write",
         'website': global.website
       }));
@@ -54,14 +57,14 @@ Future<http.Response> registerApp(String baseurl) async {
 }
 
 void openBrowserForAuthCode(String baseurl, App app) {
-  Uri url = Uri.https(
+  Uri url = Uri(
-      baseurl,
+      scheme: "https",
+      path: "$baseurl/oauth/authorize",
       // ignore: prefer_interpolation_to_compose_strings
-      "/oauth/authorize"
+      query: "client_id=" +
-              "?client_id=" +
           app.clientId +
           "&scope=read+write" +
-          "&redirect_uri=urn:ietf:wg:oauth:2.0:oob" +
+          "&redirect_uri=http://localhost:4040" +
           "&response_type=code");
   launchUrl(url);
 }

lib/business_logic/settings.dart

@@ -1,4 +1,5 @@
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:slothmu/business_logic/auth/oauth.dart';
 
 enum Settings {
   instanceUrl,

lib/pages/login.dart

@@ -125,13 +125,12 @@ class _AuthPageState extends State<AuthPage> {
                     icon: const Icon(Icons.arrow_back),
                     label: Text("back-button".i18n())),
                 FutureBuilder<http.Response>(
-                  future: oauth.askKnownServerForAppRegistration(),
+                  future: oauth.doOauthFlow(),
                   builder: (context, snapshot) {
                     if (snapshot.hasError) {
                       return Text("login-failed-snackbar-text".i18n());
                     } else if (snapshot.hasData) {
                       if (snapshot.data?.statusCode != null) {
-                        print(snapshot.data?.body);
                         if (snapshot.data?.statusCode != 200) {
                           return Row(
                             children: [

pubspec.lock

@@ -273,6 +273,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  shelf:
+    dependency: "direct main"
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
   sky_engine:
     dependency: transitive
     description: flutter

pubspec.yaml

@@ -42,6 +42,7 @@ dependencies:
   shared_preferences: ^2.0.15
   intl: ^0.17.0
   url_launcher: ^6.1.4
+  shelf: ^1.3.1
 
 dev_dependencies:
   flutter_test: