Migrate athentication from webview to deep linking

android/app/src/main/AndroidManifest.xml

@@ -52,6 +52,14 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                android:scheme="haclient"
+                android:host="auth" />
+            </intent-filter>
         </activity>
 
         <service

lib/main.dart

@@ -27,6 +27,7 @@ import 'package:share/receive_share_state.dart';
 import 'package:share/share.dart';
 import 'plugins/dynamic_multi_column_layout.dart';
 import 'plugins/spoiler_card.dart';
+import 'package:uni_links/uni_links.dart';
 
 import 'utils/logger.dart';
 
@@ -185,24 +186,6 @@ class HAClientApp extends StatelessWidget {
         ),
         "/log-view": (context) => LogViewPage(title: "Log"),
         "/whats-new": (context) => WhatsNewPage(),
-        "/login": (context) => WebviewScaffold(
-          url: "${ConnectionManager().oauthUrl}",
-          appBar: new AppBar(
-            leading: IconButton(
-                icon: Icon(Icons.help),
-                onPressed: () => Launcher.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/docs#authentication")
-            ),
-            title: new Text("Login with HA"),
-            actions: <Widget>[
-              FlatButton(
-                child: Text("Manual", style: TextStyle(color: Colors.white)),
-                onPressed: () {
-                  eventBus.fire(ShowPageEvent(path: "/connection-settings", goBackFirst: true));
-                },
-              )
-            ],
-          ),
-        ),
         "/webview": (context) => WebviewScaffold(
           url: "${(ModalRoute.of(context).settings.arguments as Map)['url']}",
           appBar: new AppBar(

lib/managers/auth_manager.class.dart

@@ -9,24 +9,38 @@ class AuthManager {
   }
 
   AuthManager._internal();
+  StreamSubscription deepLinksSubscription;
 
-  Future getTempToken({String oauthUrl}) {
+  Future start({String oauthUrl}) {
+    Completer completer = Completer();
+    deepLinksSubscription?.cancel();
+    deepLinksSubscription = getUriLinksStream().listen((Uri uri) {
+            Logger.d("[LINKED AUTH] We got something private: $uri");
+            Logger.d("[LINKED AUTH] code=${uri.queryParameters["code"]}");
+            _getTempToken(oauthUrl, uri.queryParameters["code"])
+              .then((tempToken) => completer.complete(tempToken))
+              .catchError((_){
+                completer.completeError(HAError("Auth error"));
+              });
+          }, onError: (err) {
+            Logger.e("[LINKED AUTH] Error handling linked auth: $e");
+            completer.completeError(HAError("Auth error"));
+          });
+    Logger.d("Launching OAuth");
+    eventBus.fire(StartAuthEvent(oauthUrl, true));
+    return completer.future;
+  }
+
+  Future _getTempToken(String oauthUrl,String authCode) {
     Completer completer = Completer();
-    final flutterWebviewPlugin = new FlutterWebviewPlugin();
-    flutterWebviewPlugin.onUrlChanged.listen((String url) {
-      if (url.startsWith("http://ha-client.homemade.systems/service/auth_callback.html")) {
-        String authCode = url.split("=")[1];
-        Logger.d("We have auth code. Getting temporary access token...");
     ConnectionManager().sendHTTPPost(
             endPoint: "/auth/token",
             contentType: "application/x-www-form-urlencoded",
             includeAuthHeader: false,
-            data: "grant_type=authorization_code&code=$authCode&client_id=${Uri.encodeComponent('http://ha-client.homemade.systems/')}"
+            data: "grant_type=authorization_code&code=$authCode&client_id=${Uri.encodeComponent('http://ha-client.homemade.systems')}"
         ).then((response) {
           Logger.d("Got temp token");
           String tempToken = json.decode(response)['access_token'];
-          Logger.d("Closing webview...");
-          //flutterWebviewPlugin.close();
           eventBus.fire(StartAuthEvent(oauthUrl, false));
           completer.complete(tempToken);
         }).catchError((e) {
@@ -35,10 +49,6 @@ class AuthManager {
           eventBus.fire(StartAuthEvent(oauthUrl, false));
           completer.completeError(HAError("Error getting temp token"));
         });
-      }
-    });
-    Logger.d("Launching OAuth");
-    eventBus.fire(StartAuthEvent(oauthUrl, true));
     return completer.future;
   }
 

lib/managers/connection_manager.class.dart

@@ -59,9 +59,9 @@ class ConnectionManager {
           _token = await storage.read(key: "hacl_llt");
           Logger.e("Long-lived token read successful");
           oauthUrl = "$httpWebHost/auth/authorize?client_id=${Uri.encodeComponent(
-              'http://ha-client.homemade.systems/')}&redirect_uri=${Uri
+              'http://ha-client.homemade.systems')}&redirect_uri=${Uri
               .encodeComponent(
-              'http://ha-client.homemade.systems/service/auth_callback.html')}";
+              'haclient://auth')}";
           settingsLoaded = true;
         } catch (e) {
           completer.completeError(HAError("Error reading login details", actions: [HAErrorAction.tryAgain(type: HAErrorActionType.FULL_RELOAD), HAErrorAction.loginAgain()]));
@@ -79,7 +79,7 @@ class ConnectionManager {
 
     if (!stopInit) {
       if (_token == null) {
-        AuthManager().getTempToken(
+        AuthManager().start(
             oauthUrl: oauthUrl
         ).then((token) {
           Logger.d("Token from AuthManager recived");

lib/managers/startup_user_messages_manager.class.dart

@@ -14,7 +14,7 @@ class StartupUserMessagesManager {
   bool _supportAppDevelopmentMessageShown;
   bool _whatsNewMessageShown;
   static final _supportAppDevelopmentMessageKey = "user-message-shown-support-development_3";
-  static final _whatsNewMessageKey = "user-message-shown-whats-new-673";
+  static final _whatsNewMessageKey = "user-message-shown-whats-new-675";
 
   void checkMessagesToShow() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();

lib/pages/main.page.dart

@@ -75,8 +75,6 @@ class _MainPageState extends ReceiveShareState<MainPage> with WidgetsBindingObse
     });
 
     _fullLoad();
-
-
   }
 
   @override void receiveShare(Share shared) {
@@ -254,7 +252,6 @@ class _MainPageState extends ReceiveShareState<MainPage> with WidgetsBindingObse
           _showOAuth();
         } else {
           _preventAppRefresh = false;
-          Navigator.of(context).pop();
         }
       });
     }
@@ -268,7 +265,9 @@ class _MainPageState extends ReceiveShareState<MainPage> with WidgetsBindingObse
 
   void _showOAuth() {
     _preventAppRefresh = true;
-    Navigator.of(context).pushNamed('/login');
+    Launcher.launchURLInCustomTab(
+      url: ConnectionManager().oauthUrl
+    );
   }
 
   _setErrorState(HAError e) {

pubspec.yaml

@@ -22,6 +22,7 @@ dependencies:
 #  flutter_svg: ^0.10.3
   flutter_custom_tabs: ^0.6.0
   firebase_messaging: ^5.1.6
+  uni_links: ^0.2.0
   flutter_webview_plugin: ^0.3.8
   flutter_secure_storage: ^3.3.1+1
   device_info: ^0.4.0+3