TF-56 Send email with attachment

core/lib/data/network/config/authorization_interceptors.dart

@@ -1,10 +1,13 @@
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:dio/dio.dart';
 
 class AuthorizationInterceptors extends InterceptorsWrapper {
   String? _authorization;
 
+  String getBasicAuth() => _authorization ?? '';
+
   void changeAuthorization(String? userName, String? password) {
     _authorization = base64Encode(utf8.encode('$userName:$password'));
   }
@@ -12,7 +15,7 @@ class AuthorizationInterceptors extends InterceptorsWrapper {
   @override
   void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
     if (_authorization != null) {
-      options.headers['Authorization'] = 'Basic $_authorization';
+      options.headers[HttpHeaders.authorizationHeader] = 'Basic $_authorization';
     }
     super.onRequest(options, handler);
   }

core/lib/data/network/download/download_client.dart

@@ -12,11 +12,11 @@ class DownloadClient {
 
   Future<ResponseBody> downloadFile(
       String url,
-      String baseAuth,
+      String basicAuth,
       CancelToken? cancelToken,
   ) async {
     final headerParam = _dioClient.getHeaders();
-    headerParam[HttpHeaders.authorizationHeader] = baseAuth;
+    headerParam[HttpHeaders.authorizationHeader] = basicAuth;
     headerParam[HttpHeaders.acceptHeader] = DioClient.jmapHeader;
 
     final responseBody = await _dioClient.get(

core/lib/data/network/download/download_manager.dart

@@ -14,14 +14,14 @@ class DownloadManager {
       String downloadUrl,
       Future<Directory> directoryToSave,
       String filename,
-      String baseAuth,
+      String basicAuth,
       {CancelToken? cancelToken}
   ) async {
     final streamController = StreamController<String>();
 
     try {
       await Future.wait([
-        _downloadClient.downloadFile(downloadUrl, baseAuth, cancelToken),
+        _downloadClient.downloadFile(downloadUrl, basicAuth, cancelToken),
         directoryToSave
       ]).then((values) {
         final fileStream = (values[0] as ResponseBody).stream;