Implement external browser for iOS marketplace

move lnurl auth outside the browser
breez · Oct 8, 2024 · 97215cb · 97215cb
1 parent 12f1baf
commit 97215cb
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Showing 3 changed files with 66 additions and 33 deletions.
diff --git a/lib/routes/marketplace/lnurl_auth.dart b/lib/routes/marketplace/lnurl_auth.dart
@@ -0,0 +1,28 @@
+
+import 'dart:convert';
+
+import 'package:breez/bloc/lnurl/lnurl_actions.dart';
+import 'package:breez/bloc/lnurl/lnurl_bloc.dart';
+import 'package:breez/bloc/lnurl/lnurl_model.dart';
+import 'package:breez/bloc/marketplace/vendor_model.dart';
+import 'package:http/http.dart' as http;
+
+Future<String> handleLNUrlAuth(VendorModel vendor, LNUrlBloc lnurlBloc, String responsdID) async {
+    Uri uri = Uri.parse(vendor.url); 
+    var response = await http.get(uri);
+    if (response.statusCode != 200 && response.statusCode != 201) {
+      throw Exception("Failed to call ${vendor.displayName} API");
+    }
+    Map<String, dynamic> decoded = json.decode(response.body);
+    String lnUrl = decoded[responsdID] as String;
+    Fetch fetchAction = Fetch(lnUrl);
+    lnurlBloc.actionsSink.add(fetchAction);
+    var fetchResponse = await fetchAction.future;
+    if (fetchResponse.runtimeType != AuthFetchResponse) {
+      throw "Invalid URL";
+    }
+    AuthFetchResponse authResponse = fetchResponse as AuthFetchResponse;
+    var action = Login(authResponse, jwt: true);
+    lnurlBloc.actionsSink.add(action);
+    return await action.future;    
+  }
diff --git a/lib/routes/marketplace/lnurl_webview.dart b/lib/routes/marketplace/lnurl_webview.dart
@@ -1,16 +1,13 @@
-import 'dart:convert';
-
 import 'package:breez/bloc/account/account_bloc.dart';
-import 'package:breez/bloc/lnurl/lnurl_actions.dart';
 import 'package:breez/bloc/lnurl/lnurl_bloc.dart';
-import 'package:breez/bloc/lnurl/lnurl_model.dart';
 import 'package:breez/bloc/marketplace/vendor_model.dart';
 import 'package:breez/routes/marketplace/vendor_webview.dart';
 import 'package:breez/widgets/error_dialog.dart';
 import 'package:breez/widgets/loader.dart';
 import 'package:breez_translations/breez_translations_locales.dart';
 import 'package:flutter/material.dart';
-import 'package:http/http.dart' as http;
+
+import 'lnurl_auth.dart';
 
 class LNURLWebViewPage extends StatefulWidget {
   final AccountBloc accountBloc;
@@ -41,7 +38,12 @@ class LNURLWebViewPageState extends State<LNURLWebViewPage> {
   void initState() {
     super.initState();
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      _handleLNUrlAuth().catchError(
+      handleLNUrlAuth(widget.vendorModel, widget.lnurlBloc, widget.responseID)
+          .then((jwt) {
+        if (mounted) {
+          setState(() => jwtToken = jwt);
+        }
+      }).catchError(
         (err) {
           final texts = context.texts();
 
@@ -56,32 +58,6 @@ class LNURLWebViewPageState extends State<LNURLWebViewPage> {
     });
   }
 
-  Future _handleLNUrlAuth() async {
-    final texts = context.texts();
-    Uri uri = widget.endpointURI;
-    var response = widget.vendorModel.id == "lnmarkets" ? await http.post(uri) : await http.get(uri);
-    if (response.statusCode != 200 && response.statusCode != 201) {
-      throw Exception(
-        texts.lnurl_webview_error_message(widget.vendorModel.displayName),
-      );
-    }
-    Map<String, dynamic> decoded = json.decode(response.body);
-    String lnUrl = decoded[widget.responseID] as String;
-    Fetch fetchAction = Fetch(lnUrl);
-    widget.lnurlBloc.actionsSink.add(fetchAction);
-    var fetchResponse = await fetchAction.future;
-    if (fetchResponse.runtimeType != AuthFetchResponse) {
-      throw texts.lnurl_webview_error_invalid_url;
-    }
-    AuthFetchResponse authResponse = fetchResponse as AuthFetchResponse;
-    var action = Login(authResponse, jwt: true);
-    widget.lnurlBloc.actionsSink.add(action);
-    String jwt = await action.future;
-    if (mounted) {
-      setState(() => jwtToken = jwt);
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     if (jwtToken == null) {

diff --git a/lib/routes/marketplace/vendor_row.dart b/lib/routes/marketplace/vendor_row.dart
@@ -2,9 +2,13 @@ import 'package:breez/bloc/account/account_bloc.dart';
 import 'package:breez/bloc/blocs_provider.dart';
 import 'package:breez/bloc/lnurl/lnurl_bloc.dart';
 import 'package:breez/bloc/marketplace/vendor_model.dart';
+import 'package:breez/routes/marketplace/lnurl_auth.dart';
 import 'package:breez/theme_data.dart' as theme;
+import 'package:breez/widgets/error_dialog.dart';
 import 'package:breez/widgets/route.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import 'lnurl_webview.dart';
 import 'vendor_webview.dart';
@@ -17,6 +21,7 @@ class VendorRow extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final lnurlBloc = AppBlocsProvider.of<LNUrlBloc>(context);
     Color vendorFgColor = theme.vendorTheme[_vendor.id.toLowerCase()]?.iconFgColor ?? Colors.transparent;
     Color vendorBgColor = theme.vendorTheme[_vendor.id.toLowerCase()]?.iconBgColor ?? Colors.white;
     Color vendorTextColor = theme.vendorTheme[_vendor.id.toLowerCase()]?.textColor ?? Colors.black;
@@ -42,7 +47,31 @@ class VendorRow extends StatelessWidget {
         : Container();
 
     final vendorCard = GestureDetector(
-        onTap: () {
+        onTap: () async {
+
+         // iOS only
+          if (defaultTargetPlatform == TargetPlatform.iOS) {
+            try {
+              var url = _vendor.url;
+              if (_vendor.id == "lnmarkets" || _vendor.id == "Kollider") {
+                var responseID = 
+                        _vendor.id == "lnmarkets" ? "lnurl" : "lnurl_auth";
+                var jwtToken = await handleLNUrlAuth(_vendor, lnurlBloc, responseID);
+                url = url + "?token=$jwtToken";
+              }
+              launch(_vendor.url);
+            } 
+            catch(err) {
+              promptError(
+                context,
+                "Error",
+                Text(err.toString())                
+              );
+            }
+            return;
+          }
+
+          // non iOS
           Navigator.push(context, FadeInRoute(
             builder: (_) {
               if (_vendor.endpointURI != null) {