add export functionality for domain HAR files (#725)

lib/l10n/app_en.arb

@@ -168,6 +168,7 @@
   "editRequest": "Edit and Request",
   "reSendRequest": "The request has been resent",
   "viewExport": "View Export",
+  "exportDomainHar": "Export This Domain HAR",
   "timeDesc": "Descending by time",
   "timeAsc": "Ascending by time",
 

lib/l10n/app_localizations.dart

@@ -1068,6 +1068,12 @@ abstract class AppLocalizations {
   /// **'View Export'**
   String get viewExport;
 
+  /// No description provided for @exportDomainHar.
+  ///
+  /// In en, this message translates to:
+  /// **'Export This Domain HAR'**
+  String get exportDomainHar;
+
   /// No description provided for @timeDesc.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -499,6 +499,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get viewExport => 'View Export';
 
+  @override
+  String get exportDomainHar => 'Export This Domain HAR';
+
   @override
   String get timeDesc => 'Descending by time';
 

lib/l10n/app_localizations_zh.dart

@@ -498,6 +498,9 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get viewExport => '视图导出';
 
+  @override
+  String get exportDomainHar => '导出该域名 HAR';
+
   @override
   String get timeDesc => '按时间降序';
 
@@ -1562,6 +1565,9 @@ class AppLocalizationsZhHant extends AppLocalizationsZh {
   @override
   String get viewExport => '檢視匯出';
 
+  @override
+  String get exportDomainHar => '匯出該網域名稱 HAR';
+
   @override
   String get timeDesc => '按時間降序';
 

lib/l10n/app_zh.arb

@@ -169,6 +169,7 @@
   "editRequest": "编辑请求",
   "reSendRequest": "已重新发送请求",
   "viewExport": "视图导出",
+  "exportDomainHar": "导出该域名 HAR",
   "timeDesc": "按时间降序",
   "timeAsc": "按时间升序",
 

lib/l10n/app_zh_Hant.arb

@@ -161,6 +161,7 @@
   "editRequest": "編輯請求",
   "reSendRequest": "已重新傳送請求",
   "viewExport": "檢視匯出",
+  "exportDomainHar": "匯出該網域名稱 HAR",
   "timeDesc": "按時間降序",
   "timeAsc": "按時間升序",
   "search": "搜尋",

lib/storage/histories.dart

@@ -78,7 +78,7 @@ class HistoryStorage {
     return _histories.source;
   }
 
-  addListener(ListenerListEvent<HistoryItem> listener) async {
+  void addListener(ListenerListEvent<HistoryItem> listener) {
     _histories.addListener(listener);
   }
 

lib/ui/desktop/request/domians.dart

@@ -17,6 +17,7 @@
 import 'dart:collection';
 import 'dart:io';
 
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_desktop_context_menu/flutter_desktop_context_menu.dart';
@@ -34,7 +35,9 @@ import 'package:proxypin/ui/component/transition.dart';
 import 'package:proxypin/ui/component/utils.dart';
 import 'package:proxypin/ui/content/panel.dart';
 import 'package:proxypin/ui/desktop/request/request.dart';
+import 'package:proxypin/utils/har.dart';
 import 'package:proxypin/utils/keyword_highlight.dart';
+import 'package:proxypin/utils/lang.dart';
 import 'package:proxypin/utils/listenable_list.dart';
 
 import '../../component/model/search_model.dart';
@@ -79,6 +82,8 @@ class DomainWidgetState extends State<DomainList> with AutomaticKeepAliveClientM
 
   bool sortDesc = true;
 
+  AppLocalizations get localizations => AppLocalizations.of(context)!;
+
   void changeState() {
     if (!changing) {
       changing = true;
@@ -198,6 +203,7 @@ class DomainWidgetState extends State<DomainList> with AutomaticKeepAliveClientM
         proxyServer: widget.proxyServer,
         trailing: appIcon(request),
         onDelete: deleteHost,
+        onExportHar: exportDomainHar,
         onRequestRemove: (req) {
           widget.onRemove?.call([req]);
           changeState();
@@ -281,8 +287,41 @@ class DomainWidgetState extends State<DomainList> with AutomaticKeepAliveClientM
     return container.expand((list) => list.body.map((it) => it.request)).toList();
   }
 
+  Future<void> exportDomainHar(String domain) async {
+    var requests = containerMap[domain]?.body.map((it) => it.request).toList() ?? [];
+    if (requests.isEmpty) {
+      if (mounted) FlutterToastr.show(localizations.emptyData, context);
+      return;
+    }
+
+    var fileName = _domainHarFileName(domain);
+    var path = await FilePicker.platform.saveFile(fileName: fileName);
+    if (path == null) {
+      return;
+    }
+
+    try {
+      var file = await File(path).create(recursive: true);
+      await Har.writeFile(requests, file, title: fileName);
+      if (mounted) FlutterToastr.show(localizations.exportSuccess, context);
+    } catch (e) {
+      if (mounted) FlutterToastr.show('${localizations.exportFailed} $e', context);
+    }
+  }
+
+  String _domainHarFileName(String domain) {
+    var uri = Uri.tryParse(domain);
+    var host = (uri?.host.isNotEmpty == true) ? uri!.host : domain;
+    var suffix = uri?.hasPort == true ? '_${uri!.port}' : '';
+    var safeDomain = '$host$suffix'.replaceAll(RegExp(r'[^A-Za-z0-9._-]'), '_');
+    if (safeDomain.isEmpty) {
+      safeDomain = 'domain';
+    }
+    return 'ProxyPin_${safeDomain}_${DateTime.now().dateFormat()}.har';
+  }
+
   ///排序
-  sort(bool desc) {
+  void sort(bool desc) {
     sortDesc = desc;
     containerMap.forEach((key, request) {
       var reversed = request.body.toList().reversed;
@@ -310,10 +349,16 @@ class DomainRequests extends StatefulWidget {
 
   //移除回调
   final Function(String host)? onDelete;
+  final Function(String host)? onExportHar;
   final Function(HttpRequest request)? onRequestRemove;
 
   DomainRequests(this.domain,
-      {this.selected = false, this.onDelete, required this.proxyServer, this.onRequestRemove, this.trailing})
+      {this.selected = false,
+      this.onDelete,
+      this.onExportHar,
+      required this.proxyServer,
+      this.onRequestRemove,
+      this.trailing})
       : super(key: GlobalKey<_DomainRequestsState>());
 
   ///添加请求
@@ -368,6 +413,7 @@ class DomainRequests extends StatefulWidget {
         trailing: trailing,
         selected: selected ?? state.currentState?.selected == true,
         onDelete: onDelete,
+        onExportHar: onExportHar,
         onRequestRemove: onRequestRemove,
         proxyServer: proxyServer);
     if (body != null) {
@@ -479,6 +525,8 @@ class _DomainRequestsState extends State<DomainRequests> {
         submenu: hostFilterMenu(),
       ),
       MenuItem.separator(),
+      MenuItem(label: localizations.exportDomainHar, onClick: (_) => exportDomainHar()),
+      MenuItem.separator(),
       MenuItem(label: localizations.repeatDomainRequests, onClick: (_) => repeatDomainRequests()),
       MenuItem.separator(),
       MenuItem(label: localizations.delete, onClick: (_) => _delete()),
@@ -502,6 +550,10 @@ class _DomainRequestsState extends State<DomainRequests> {
     }
   }
 
+  void exportDomainHar() {
+    widget.onExportHar?.call(widget.domain);
+  }
+
   Menu hostFilterMenu() {
     return Menu(items: [
       MenuItem(

lib/ui/mobile/request/domians.dart

@@ -15,8 +15,10 @@
  */
 
 import 'dart:collection';
+import 'dart:convert';
 
 import 'package:date_format/date_format.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:proxypin/l10n/app_localizations.dart';
@@ -29,6 +31,8 @@ import 'package:proxypin/network/http/http.dart';
 import 'package:proxypin/network/http/http_client.dart';
 import 'package:proxypin/ui/component/widgets.dart';
 import 'package:proxypin/ui/mobile/request/request_sequence.dart';
+import 'package:proxypin/utils/har.dart';
+import 'package:proxypin/utils/lang.dart';
 import 'package:proxypin/utils/listenable_list.dart';
 
 ///域名列表
@@ -297,6 +301,12 @@ class DomainListState extends State<DomainList> with AutomaticKeepAliveClientMix
                     repeatDomainRequests(hostAndPort);
                   }),
               const Divider(thickness: 0.5, height: 5),
+              BottomSheetItem(
+                  text: localizations.exportDomainHar,
+                  onPressed: () {
+                    exportDomainHar(hostAndPort);
+                  }),
+              const Divider(thickness: 0.5, height: 5),
               BottomSheetItem(
                   text: localizations.delete,
                   onPressed: () {
@@ -345,4 +355,32 @@ class DomainListState extends State<DomainList> with AutomaticKeepAliveClientMix
       }
     }
   }
+
+  Future<void> exportDomainHar(HostAndPort hostAndPort) async {
+    var requests = containerMap[hostAndPort] ?? [];
+    if (requests.isEmpty) {
+      if (mounted) FlutterToastr.show(localizations.emptyData, context);
+      return;
+    }
+
+    var fileName = _domainHarFileName(hostAndPort);
+    var json = await Har.writeJson(requests, title: fileName);
+    var bytes = utf8.encode(json);
+
+    var path = await FilePicker.platform.saveFile(fileName: fileName, bytes: bytes);
+    if (path == null) {
+      return;
+    }
+
+    if (mounted) FlutterToastr.show(localizations.exportSuccess, context);
+  }
+
+  String _domainHarFileName(HostAndPort hostAndPort) {
+    var suffix = (hostAndPort.port == 80 || hostAndPort.port == 443) ? '' : '_${hostAndPort.port}';
+    var safeDomain = '${hostAndPort.host}$suffix'.replaceAll(RegExp(r'[^A-Za-z0-9._-]'), '_');
+    if (safeDomain.isEmpty) {
+      safeDomain = 'domain';
+    }
+    return 'ProxyPin_${safeDomain}_${DateTime.now().dateFormat()}.har';
+  }
 }