Setup Proxy if proxy found in devices

(cherry picked from commit beeb717)

lib/main.dart

@@ -39,6 +39,7 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:linshare_flutter_app/presentation/di/get_it_service.dart';
 import 'package:linshare_flutter_app/presentation/localizations/app_localizations.dart';
+import 'package:linshare_flutter_app/presentation/network/proxy/set_up_proxy.dart';
 import 'package:linshare_flutter_app/presentation/util/router/app_navigation.dart';
 import 'package:linshare_flutter_app/presentation/util/router/router.dart' as router;
 import 'package:linshare_flutter_app/presentation/widget/initialize_get_it//initialize_get_it_widget.dart';
@@ -47,11 +48,11 @@ import 'package:redux/redux.dart';
 import 'presentation/redux/states/app_state.dart';
 import 'presentation/util/extensions/color_extension.dart';
 import 'presentation/widget/initialize/initialize_widget.dart';
-import 'dart:developer' as developer;
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   setUpGetIt();
+  await setUpProxy();
   await Firebase.initializeApp();
   if (kProfileMode) {
     enableFlutterDriverExtension();

lib/presentation/di/module/network_module.dart

@@ -32,7 +32,6 @@
 import 'dart:io';
 
 import 'package:data/data.dart';
-import 'package:dio/adapter.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart';
 import 'package:linshare_flutter_app/presentation/di/get_it_service.dart';
@@ -63,12 +62,6 @@ class NetworkModule {
   void _provideDio() {
     getIt.registerSingleton(Dio(getIt<BaseOptions>()));
     _provideInterceptors();
-    if (Platform.isAndroid) {
-      (getIt<Dio>().httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate = (HttpClient client) {
-        client.badCertificateCallback = (X509Certificate cert, String host, int port) => true;
-        return client;
-      };
-    }
     getIt<Dio>().interceptors.add(getIt<DynamicUrlInterceptors>());
     getIt<Dio>().interceptors.add(getIt<DynamicAPIVersionSupportInterceptor>());
     getIt<Dio>().interceptors.add(getIt<CookieInterceptors>());

lib/presentation/network/proxy/set_up_proxy.dart

@@ -0,0 +1,67 @@
+/*
+ * LinShare is an open source filesharing software, part of the LinPKI software
+ * suite, developed by Linagora.
+ *
+ * Copyright (C) 2023 LINAGORA
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Affero General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version,
+ * provided you comply with the Additional Terms applicable for LinShare software by
+ * Linagora pursuant to Section 7 of the GNU Affero General Public License,
+ * subsections (b), (c), and (e), pursuant to which you must notably (i) retain the
+ * display in the interface of the “LinShare™” trademark/logo, the "Libre & Free" mention,
+ * the words “You are using the Free and Open Source version of LinShare™, powered by
+ * Linagora © 2009–2021. Contribute to Linshare R&D by subscribing to an Enterprise
+ * offer!”. You must also retain the latter notice in all asynchronous messages such as
+ * e-mails sent with the Program, (ii) retain all hypertext links between LinShare and
+ * http://www.linshare.org, between linagora.com and Linagora, and (iii) refrain from
+ * infringing Linagora intellectual property rights over its trademarks and commercial
+ * brands. Other Additional Terms apply, see
+ * <http://www.linshare.org/licenses/LinShare-License_AfferoGPL-v3.pdf>
+ * for more details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ * You should have received a copy of the GNU Affero General Public License and its
+ * applicable Additional Terms for LinShare along with this program. If not, see
+ * <http://www.gnu.org/licenses/> for the GNU Affero General Public License version
+ *  3 and <http://www.linshare.org/licenses/LinShare-License_AfferoGPL-v3.pdf> for
+ *  the Additional Terms applicable to LinShare software.
+ */
+
+import 'dart:developer';
+import 'dart:io';
+
+import 'package:dio/adapter.dart';
+import 'package:dio/dio.dart';
+import 'package:linshare_flutter_app/presentation/di/get_it_service.dart';
+import 'package:native_flutter_proxy/native_proxy_reader.dart';
+
+Future<void> setUpProxy() async {
+  try {
+    final settings = await NativeProxyReader.proxySetting;
+    log('::setUpProxy(): enable = ${settings.enabled}, host = ${settings.host}, port = ${settings.port}');
+    if (settings.enabled && settings.host != null) {
+      if (Platform.isAndroid) {
+        (getIt<Dio>().httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate = (HttpClient client) {
+          client.badCertificateCallback = (X509Certificate cert, String host, int port) {
+            log('Bad certificate callback called. $host:$port. cert: ${cert.subject}');
+            return true;
+          };
+          client.findProxy = (url) {
+            log('::setUpProxy(): $url');
+            return HttpClient.findProxyFromEnvironment(
+              url,
+              environment: {'https_proxy': '${settings.host}:${settings.port}'}
+            );
+          };
+          return client;
+        };
+      }
+    }
+  } catch (e) {
+    log('::setUpProxy() exception: $e');
+  }
+}

pubspec.lock

@@ -691,6 +691,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.17"
+  native_flutter_proxy:
+    dependency: "direct main"
+    description:
+      name: native_flutter_proxy
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.15"
   package_config:
     dependency: transitive
     description:

pubspec.yaml

@@ -34,6 +34,7 @@ dependencies:
 
   # Http client
   dio: 4.0.0
+  native_flutter_proxy: 0.1.15
   json_annotation: 4.4.0
 
   #get_it