diff --git a/lib/business_logic/auth/oauth.dart b/lib/business_logic/auth/oauth.dart
new file mode 100644
index 0000000..ff95415
--- /dev/null
+++ b/lib/business_logic/auth/oauth.dart
@@ -0,0 +1,53 @@
+import 'package:http/http.dart' as http;
+import 'package:url_launcher/url_launcher.dart';
+import '../../global.dart' as global;
+
+class App {
+  late String clientSecret;
+  late String clientId;
+  late String id;
+  late String name;
+  late String website;
+  late String redirectUri;
+  App(
+      {required this.clientSecret,
+      required this.clientId,
+      required this.id,
+      required this.name,
+      required this.website,
+      required this.redirectUri});
+  factory App.fromJson(Map<String, dynamic> json) {
+    return App(
+        id: json["id"].toString(),
+        name: json["name"].toString(),
+        website: json["website"].toString(),
+        redirectUri: json["redirect_uri"].toString(),
+        clientId: json["client_id"].toString(),
+        clientSecret: json["client_secret"].toString());
+  }
+}
+
+Future<http.Response> registerApp(String baseurl) async {
+  //String url = baseurl Uri."api/v1/apps";
+  Uri url = Uri.https(baseurl, "/api/v1/apps");
+  var response = await http.post(url, headers: global.defaultHeaders, body: {
+    'client_name': global.name,
+    'redirect_uris': "ietf:wg:oauth:2.0:oob",
+    'scopes': "read write",
+    'website': global.website
+  });
+  return response;
+}
+
+void openBrowserForAuthCode(String baseurl, App app) {
+  Uri url = Uri.https(
+      baseurl,
+      // ignore: prefer_interpolation_to_compose_strings
+      "/oauth/authorize" +
+          "?client_id=" +
+          app.clientId +
+          "&scope=read+write" +
+          "&redirect_uri=urn:ietf:wg:oauth:2.0:oob" +
+          "&response_type=code");
+  launchUrl(url);
+}
diff --git a/lib/api/auth/secrets.dart b/lib/business_logic/auth/secrets.dart
similarity index 100%
rename from lib/api/auth/secrets.dart
rename to lib/business_logic/auth/secrets.dart
diff --git a/lib/api/user.dart b/lib/business_logic/user.dart
similarity index 100%
rename from lib/api/user.dart
rename to lib/business_logic/user.dart
diff --git a/lib/api/auth/oauth.dart b/lib/business_logic/webfinger.dart
similarity index 100%
rename from lib/api/auth/oauth.dart
rename to lib/business_logic/webfinger.dart
diff --git a/lib/global.dart b/lib/global.dart
new file mode 100644
index 0000000..ade3d05
--- /dev/null
+++ b/lib/global.dart
@@ -0,0 +1,9 @@
+const String name = "slothmu";
+const String version = "v0.1 'not even alpha'";
+const String useragent = "$name/$version";
+const String website = "https://git.kittycat.homes/zoe/slothmu";
+const Map<String, String> defaultHeaders = {
+  "User-Agent": useragent,
+  "accept": "application/json",
+  "Content-Type": "application/json"
+};
diff --git a/lib/main.dart b/lib/main.dart
index ea09307..95e54ce 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,10 +1,15 @@
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
 import 'package:localization/localization.dart';
 import 'package:slothmu/partials/main_scaffold.dart';
 import 'pages/login.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 
-void main() => runApp(const Slothmu());
+void main() {
+  Intl.defaultLocale = 'en_US';
+
+  runApp(const Slothmu());
+}
 
 class Slothmu extends StatefulWidget {
   const Slothmu({Key? key}) : super(key: key);
@@ -14,15 +19,15 @@ class Slothmu extends StatefulWidget {
 }
 
 class _SlothmuState extends State<Slothmu> {
+  List<Locale> supported = const [
+    Locale("en", "US"),
+    Locale("de", "DE"),
+  ];
   @override
   Widget build(BuildContext context) {
     LocalJsonLocalization.delegate.directories = ['lib/i18n'];
     return MaterialApp(
-      supportedLocales: const [
-        Locale("en", "US"),
-        Locale("de", "DE"),
-      ],
-      locale: const Locale("de", "DE"),
+      supportedLocales: supported,
       localizationsDelegates: [
         GlobalCupertinoLocalizations.delegate,
         GlobalWidgetsLocalizations.delegate,
diff --git a/lib/pages/login.dart b/lib/pages/login.dart
index 761a17e..44d1dab 100644
--- a/lib/pages/login.dart
+++ b/lib/pages/login.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:slothmu/api/user.dart';
+import 'package:slothmu/business_logic/user.dart';
 import 'package:localization/localization.dart';
+import '../business_logic/auth/oauth.dart' as oauth;
 
 class Login extends StatefulWidget {
   const Login({Key? key}) : super(key: key);
@@ -64,6 +65,13 @@ class _LoginFormState extends State<LoginForm> {
                 if (!isValid) {
                   ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                       content: Text("login-failed-snackbar-text".i18n())));
+                } else {
+                  Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) =>
+                            const AuthPage(baseurl: "kittycat.homes"),
+                      ));
                 }
               },
               icon: const Icon(Icons.login),
@@ -73,3 +81,21 @@ class _LoginFormState extends State<LoginForm> {
     );
   }
 }
+
+class AuthPage extends StatefulWidget {
+  const AuthPage({Key? key, required String baseurl}) : super(key: key);
+
+  @override
+  State<AuthPage> createState() => _AuthPageState();
+}
+
+class _AuthPageState extends State<AuthPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Text("hello"),
+      ),
+    );
+  }
+}
diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc
index e71a16d..f6f23bf 100644
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
 }
diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake
index 2e1de87..f16b4c3 100644
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift
index cccf817..766b5cf 100644
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -5,6 +5,12 @@
 import FlutterMacOS
 import Foundation
 
+import path_provider_macos
+import shared_preferences_macos
+import url_launcher_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
 }
diff --git a/pubspec.lock b/pubspec.lock
index 650a78f..84afb8f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -57,6 +57,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -79,6 +93,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: "direct main"
     description:
@@ -94,12 +113,19 @@ packages:
     source: hosted
     version: "4.0.1"
   intl:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: intl
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.17.0"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
   lints:
     dependency: transitive
     description:
@@ -114,6 +140,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  localstorage:
+    dependency: "direct main"
+    description:
+      name: localstorage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0+1"
   matcher:
     dependency: transitive
     description:
@@ -142,6 +175,76 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.1"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.16"
+  path_provider_ios:
+    dependency: transitive
+    description:
+      name: path_provider_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.10"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.7"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.6"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.4"
   settings_ui:
     dependency: "direct main"
     description:
@@ -149,6 +252,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.2"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.15"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  shared_preferences_ios:
+    dependency: transitive
+    description:
+      name: shared_preferences_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -203,6 +362,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.4"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.17"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   vector_math:
     dependency: transitive
     description:
@@ -210,5 +425,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.2"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.7.0"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+1"
 sdks:
   dart: ">=2.17.3 <3.0.0"
+  flutter: ">=3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 43f05e7..81bcf58 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -39,6 +39,10 @@ dependencies:
   settings_ui: ^2.0.2
   http: ^0.13.4
   localization: ^2.1.0
+  shared_preferences: ^2.0.15
+  intl: ^0.17.0
+  url_launcher: ^6.1.4
+  localstorage: ^4.0.0+1
 
 dev_dependencies:
   flutter_test:
diff --git a/test/user/user_test.dart b/test/user/user_test.dart
index 464d47b..1c0a0a1 100644
--- a/test/user/user_test.dart
+++ b/test/user/user_test.dart
@@ -1,5 +1,5 @@
 import 'package:flutter_test/flutter_test.dart';
-import 'package:slothmu/api/user.dart';
+import 'package:slothmu/business_logic/user.dart';
 
 void main() {
   validUsernameTest();
diff --git a/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc
index 8b6d468..4f78848 100644
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }
diff --git a/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake
index b93c4c3..88b22e5 100644
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST