mirror of
https://github.com/wanghongenpin/proxypin.git
synced 2026-04-18 21:29:15 +08:00
445 lines
14 KiB
Dart
445 lines
14 KiB
Dart
/*
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* Copyright 2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import 'dart:convert';
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import 'dart:io';
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import 'package:desktop_multi_window/desktop_multi_window.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_toastr/flutter_toastr.dart';
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import 'package:network_proxy/network/http/http.dart';
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import 'package:network_proxy/network/http/http_headers.dart';
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import 'package:network_proxy/network/http_client.dart';
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import 'package:network_proxy/ui/component/split_view.dart';
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import 'package:network_proxy/ui/component/state_component.dart';
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import 'package:network_proxy/ui/content/body.dart';
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import 'package:network_proxy/utils/curl.dart';
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class RequestEditor extends StatefulWidget {
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final WindowController? windowController;
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final HttpRequest? request;
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const RequestEditor({super.key, this.request, this.windowController});
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@override
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State<StatefulWidget> createState() {
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return RequestEditorState();
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}
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}
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class RequestEditorState extends State<RequestEditor> {
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final requestLineKey = GlobalKey<_RequestLineState>();
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final requestKey = GlobalKey<_HttpState>();
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ValueNotifier responseChange = ValueNotifier<bool>(false);
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HttpRequest? request;
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HttpResponse? response;
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bool showCURLDialog = false;
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@override
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void initState() {
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super.initState();
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request = widget.request;
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RawKeyboard.instance.addListener(onKeyEvent);
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if (widget.request == null) {
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curlParse();
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}
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}
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void onKeyEvent(RawKeyEvent event) {
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//cmd+w 关闭窗口
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if ((event.isKeyPressed(LogicalKeyboardKey.metaLeft) || event.isControlPressed) &&
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event.isKeyPressed(LogicalKeyboardKey.keyW)) {
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RawKeyboard.instance.removeListener(onKeyEvent);
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responseChange.dispose();
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widget.windowController?.close();
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return;
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}
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//粘贴
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if ((event.isKeyPressed(LogicalKeyboardKey.metaLeft) || event.isControlPressed) &&
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event.data.logicalKey == LogicalKeyboardKey.keyV) {
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curlParse();
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return;
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}
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}
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@override
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void dispose() {
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RawKeyboard.instance.removeListener(onKeyEvent);
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responseChange.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text("发起请求", style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500)),
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toolbarHeight: Platform.isWindows ? 36 : null,
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centerTitle: true,
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actions: [
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TextButton.icon(
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onPressed: () async => sendRequest(), icon: const Icon(Icons.send), label: const Text("发送")),
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const SizedBox(width: 10)
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],
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),
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body: Column(children: [
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_RequestLine(key: requestLineKey, request: request),
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Expanded(
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child: VerticalSplitView(
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ratio: 0.53,
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left: _HttpWidget(
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key: requestKey,
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title: const Text("Request", style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500)),
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message: request),
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right: ValueListenableBuilder(
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valueListenable: responseChange,
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builder: (_, value, __) => _HttpWidget(
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title: Row(children: [
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const Text("Response", style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500)),
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const Spacer(),
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Text(response?.status.toString() ?? '', style: const TextStyle(fontSize: 14))
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]),
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message: response,
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readOnly: true)),
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)),
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]));
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}
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///发送请求
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sendRequest() async {
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var currentState = requestLineKey.currentState!;
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var headers = requestKey.currentState?.getHeaders();
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var requestBody = requestKey.currentState?.getBody();
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HttpRequest request =
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HttpRequest(HttpMethod.valueOf(currentState.requestMethod), Uri.encodeFull(currentState.requestUrl));
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request.headers.addAll(headers);
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request.body = requestBody == null ? null : utf8.encode(requestBody);
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HttpClients.proxyRequest(request).then((response) {
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FlutterToastr.show('请求成功', context);
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this.response = response;
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responseChange.value = !responseChange.value;
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}).catchError((e) {
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FlutterToastr.show('请求失败$e', context);
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});
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}
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curlParse() async {
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var data = await Clipboard.getData('text/plain');
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if (data == null || data.text == null) {
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return;
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}
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var text = data.text;
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if (text?.trimLeft().startsWith('curl') == true && context.mounted && !showCURLDialog) {
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showCURLDialog = true;
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(title: const Text('提示'), content: const Text('识别到curl格式，是否转换为HTTP请求？'), actions: [
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TextButton(child: const Text('取消'), onPressed: () => Navigator.of(context).pop()),
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TextButton(
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child: const Text('确定'),
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onPressed: () {
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try {
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setState(() {
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request = parseCurl(text!);
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requestLineKey.currentState?.change(request?.requestUrl, request?.method.name);
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});
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} catch (e) {
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FlutterToastr.show('转换失败', context);
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}
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Navigator.of(context).pop();
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}),
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]);
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},
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).then((value) => showCURLDialog = false);
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}
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}
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}
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class _HttpWidget extends StatefulWidget {
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final HttpMessage? message;
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final bool readOnly;
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final Widget title;
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const _HttpWidget({this.message, this.readOnly = false, super.key, required this.title});
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@override
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State<StatefulWidget> createState() {
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return _HttpState();
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}
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}
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class _HttpState extends State<_HttpWidget> {
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final tabs = ['Header', 'Body'];
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final headerKey = GlobalKey<HeadersState>();
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String? body;
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String? getBody() {
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return body;
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}
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HttpHeaders? getHeaders() {
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return headerKey.currentState?.getHeaders();
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}
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@override
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Widget build(BuildContext context) {
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body = widget.message?.bodyAsString;
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headerKey.currentState?.refreshHeader(widget.message?.headers);
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if (widget.message == null && widget.readOnly) {
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return Scaffold(appBar: AppBar(title: widget.title), body: const Center(child: Text("无数据")));
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}
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return SingleChildScrollView(
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child: SizedBox(
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height: MediaQuery.of(context).size.height - 120,
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child: DefaultTabController(
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length: tabs.length,
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child: Scaffold(
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primary: false,
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appBar: PreferredSize(
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preferredSize: const Size.fromHeight(70),
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child: AppBar(
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title: widget.title,
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bottom: TabBar(tabs: tabs.map((e) => Tab(text: e, height: 35)).toList()),
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)),
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body: Padding(
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padding: const EdgeInsets.only(left: 10),
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child: TabBarView(
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children: [
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Headers(key: headerKey, headers: widget.message?.headers, readOnly: widget.readOnly),
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_body()
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],
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)),
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))));
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}
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Widget _body() {
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if (widget.readOnly) {
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return KeepAliveWrapper(
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child: SingleChildScrollView(child: HttpBodyWidget(httpMessage: widget.message, hideRequestRewrite: true)));
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}
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return TextField(
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autofocus: true,
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controller: TextEditingController(text: body),
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readOnly: widget.readOnly,
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onChanged: (value) {
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body = value;
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},
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minLines: 20,
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maxLines: 20);
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}
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}
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///请求行
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class _RequestLine extends StatefulWidget {
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final HttpRequest? request;
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const _RequestLine({super.key, this.request});
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@override
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State<StatefulWidget> createState() {
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return _RequestLineState();
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}
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}
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class _RequestLineState extends State<_RequestLine> {
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String requestUrl = "";
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String requestMethod = HttpMethod.get.name;
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@override
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void initState() {
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super.initState();
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if (widget.request == null) {
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requestUrl = 'https://';
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return;
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}
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var request = widget.request!;
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requestUrl = request.requestUrl;
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requestMethod = request.method.name;
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}
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change(String? requestUrl, String? requestMethod) {
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this.requestUrl = requestUrl ?? this.requestUrl;
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this.requestMethod = requestMethod ?? this.requestMethod;
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}
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@override
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Widget build(BuildContext context) {
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return TextField(
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decoration: InputDecoration(
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prefix: DropdownButton(
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padding: const EdgeInsets.only(right: 10),
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underline: const SizedBox(),
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isDense: true,
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focusColor: Colors.transparent,
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value: requestMethod,
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items: HttpMethod.values.map((it) => DropdownMenuItem(value: it.name, child: Text(it.name))).toList(),
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onChanged: (String? value) {
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setState(() {
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requestMethod = value!;
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});
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},
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),
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isDense: true,
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border: const OutlineInputBorder(borderSide: BorderSide()),
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enabledBorder: const OutlineInputBorder(borderSide: BorderSide(color: Colors.grey, width: 0.3))),
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controller: TextEditingController(text: requestUrl),
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onChanged: (value) {
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requestUrl = value;
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});
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}
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}
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///请求头
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class Headers extends StatefulWidget {
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final HttpHeaders? headers;
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final bool readOnly; //只读
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const Headers({super.key, this.headers, this.readOnly = false});
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@override
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State<StatefulWidget> createState() {
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return HeadersState();
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}
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}
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class HeadersState extends State<Headers> with AutomaticKeepAliveClientMixin {
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final Map<TextEditingController, List<TextEditingController>> _headers = {};
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@override
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bool get wantKeepAlive => true;
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@override
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void initState() {
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super.initState();
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if (widget.headers == null && !widget.readOnly) {
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_headers[TextEditingController(text: "User-Agent")] = [TextEditingController(text: "ProxyPin/1.0.2")];
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_headers[TextEditingController(text: "Accept")] = [TextEditingController(text: "*/*")];
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return;
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}
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widget.headers?.forEach((name, values) {
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_headers[TextEditingController(text: name)] = values.map((it) => TextEditingController(text: it)).toList();
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});
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}
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//刷新header
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refreshHeader(HttpHeaders? headers) {
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_headers.clear();
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setState(() {
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headers?.forEach((name, values) {
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_headers[TextEditingController(text: name)] = values.map((it) => TextEditingController(text: it)).toList();
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});
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});
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}
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///获取所有请求头
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HttpHeaders getHeaders() {
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var headers = HttpHeaders();
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_headers.forEach((name, values) {
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if (name.text.isEmpty) {
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return;
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}
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for (var element in values) {
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if (element.text.isNotEmpty) {
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headers.add(name.text, element.text);
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}
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}
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});
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return headers;
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}
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@override
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Widget build(BuildContext context) {
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super.build(context);
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var list = [
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_row(const Text('Key'), const Text('Value'), const Text('')),
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..._buildRows(),
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];
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if (!widget.readOnly) {
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list.add(TextButton(
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child: const Text("添加Header", textAlign: TextAlign.center),
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onPressed: () {
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setState(() {
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_headers[TextEditingController()] = [TextEditingController()];
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});
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},
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));
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}
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return Scaffold(
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body: Padding(
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padding: const EdgeInsets.only(top: 10),
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child: ListView.separated(
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separatorBuilder: (context, index) =>
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index == list.length ? const SizedBox() : const Divider(thickness: 0.2),
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itemBuilder: (context, index) => list[index],
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itemCount: list.length)));
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}
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List<Widget> _buildRows() {
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List<Widget> list = [];
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_headers.forEach((key, values) {
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for (var val in values) {
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list.add(_row(
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_cell(key, isKey: true),
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_cell(val),
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widget.readOnly
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? null
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: Padding(
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padding: const EdgeInsets.only(right: 15),
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child: InkWell(
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onTap: () {
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setState(() {
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_headers.remove(key);
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});
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},
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child: const Icon(Icons.remove_circle, size: 16)))));
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}
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});
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return list;
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}
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Widget _cell(TextEditingController val, {bool isKey = false}) {
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return Container(
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padding: const EdgeInsets.only(right: 5),
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child: TextFormField(
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readOnly: widget.readOnly,
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style: TextStyle(fontSize: 12, fontWeight: isKey ? FontWeight.w500 : null),
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controller: val,
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minLines: 1,
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maxLines: 3,
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decoration: InputDecoration(isDense: true, border: InputBorder.none, hintText: isKey ? "Key" : "Value")));
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}
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Widget _row(Widget key, Widget val, Widget? op) {
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return Row(children: [Expanded(flex: 4, child: key), Expanded(flex: 6, child: val), op ?? const SizedBox()]);
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}
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}
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