flutter_nayou/lib/app/controller/service.dart

import 'dart:io';
import 'dart:async';
import 'dart:convert';


import 'package:dio/dio.dart';
import 'package:get/get.dart';
import 'package:naiyouwl/app/bean/ClashServiceInfo.dart';
import 'package:naiyouwl/app/common/LogHelper.dart';
import 'package:naiyouwl/app/const/const.dart';
import 'package:naiyouwl/app/controller/controllers.dart';
import 'package:naiyouwl/app/utils/logger.dart';
import 'package:naiyouwl/app/utils/shell.dart';
import 'package:naiyouwl/app/utils/system_dns.dart';
import 'package:naiyouwl/app/utils/system_proxy.dart';
import 'package:naiyouwl/app/utils/utils.dart';

import 'package:path/path.dart' as path;
import 'package:flutter/foundation.dart';
import 'package:bot_toast/bot_toast.dart';

import 'package:web_socket_channel/io.dart';
import 'package:http/http.dart' as http;


final headers = {"User-Agent": "ccore-for-flutter/0.0.1"};

class ServiceController extends GetxController {
  //late final _dio = Dio(BaseOptions(baseUrl: 'http://127.0.0.1:9899', headers: headers));
  var ip = "127.0.0.1";
  var url = "";
  var client = http.Client();
  var serviceMode = false.obs;
  var coreStatus = RunningState.stoped.obs;
  var serviceStatus = RunningState.stoped.obs;

  Process? clashServiceProcess;
  Process? clashCoreProcess;

  bool get isRunning => serviceStatus.value == RunningState.running && coreStatus.value == RunningState.running;
  bool get isCanOperationService =>
      ![RunningState.starting, RunningState.stopping].contains(serviceStatus.value) &&
      ![RunningState.starting, RunningState.stopping].contains(coreStatus.value);
  bool get isCanOperationCore =>
      serviceStatus.value == RunningState.running && ![RunningState.starting, RunningState.stopping].contains(coreStatus.value);
  bool get coreIsRuning => coreStatus.value == RunningState.running;
  bool get serviceIsRuning => serviceStatus.value == RunningState.running;
  ServiceController(

  );

  Future<void> initConfig() async{
    url = "$ip:${controllers.config.config.value.servicePort}";
    controllers.config.setSerivcePort(controllers.config.config.value.servicePort);
  }

  Future<void> startTunService() async {

    try {
      while (true) {
        final data = await fetchInfo() ?? ClashServiceInfo.fromJson({'code': -1 , 'mode' : '' ,  'status': '-1','version' : '-1'});
        if( data.mode != 'service-mode')
        {
          if (serviceStatus.value == RunningState.running) {
            await stopService();
          }
          await install();
        } else {
          break;
        }
      }

    } catch (e) {

      serviceStatus.value = RunningState.error;
      log.debug(e.toString());
     // BotToast.showText(text: e.toString());
    }

  }

  Future<void> isService() async {

    try {
      final data = await fetchInfo() ?? ClashServiceInfo.fromJson({'code': -1 , 'mode' : '' ,  'status': '-1','version' : '-1'});
      if(data.mode == 'service-mode'){
        serviceMode.value = true;
        controllers.global.updateMsg("服务模式");
      } else {
        serviceMode.value = false;
        controllers.global.updateMsg("用户模式");
      }

    } catch (_) {

    }
  }

  Future<void> startService() async {

    serviceStatus.value = RunningState.starting;
    try {
      final data = await fetchInfo();
      if(data == null){
        await startUserModeService();
        controllers.global.updateMsg("开启用户服务");
        return;
      }
      serviceMode.value = data.mode == 'service-mode';
      controllers.global.updateMsg("服务模式");
    } catch (e) {
      await startUserModeService();
      controllers.global.updateMsg("开启用户服务");
      if (serviceStatus.value == RunningState.error) return;
    }
    serviceStatus.value = RunningState.running;
  }

  Future<void> fixBinaryExecutePermissions(File file) async {
    final stat = await file.stat();
    // 0b001000000
    final has = (stat.mode & 64) == 64;
    if (has) return;
    await Process.run('chmod', ['+x', file.path]);
  }

  Future<void> startUserModeService() async {
    serviceStatus.value = RunningState.stopping;
    serviceMode.value = false;
    final timeout = const Duration(seconds: 30); // 设置超时时间为30秒
    final checkInterval = const Duration(milliseconds: 200);
    var startTime = DateTime.now();
    try {
      final isRun = await controllers.global.onIsProcessRunning(Files.assetsClashService.path);
      if(isRun == true){
        await isService();
        serviceStatus.value = RunningState.running;
        return;
      }

      int? exitCode;
      clashServiceProcess = await Process.start(Files.assetsClashService.path, ['-port','${controllers.config.config.value.servicePort}','user-mode'], mode: ProcessStartMode.inheritStdio);
      clashServiceProcess!.exitCode.then((code) => exitCode = code);
      while (DateTime.now().difference(startTime) < timeout) {
        try {
          controllers.global.updateMsg("等待内核启动..");
          final ret = await fetchInfo();
          if(ret != null){
            if(ret.code == 0){
              break;
            }
          }
          break;
        } catch (_) {
          // 如果fetchHello失败，等待200毫秒后重试
          await Future.delayed(checkInterval);
        }
      }

      // 检查是否超时
      if (DateTime.now().difference(startTime) >= timeout) {
        // 如果超时，更新状态并抛出异常
        coreStatus.value = RunningState.error;
        controllers.global.updateMsg("内核启动超时，重新点击加速后尝试。");
        return; // 提前退出函数
      }

      await fetchStartInit();
      serviceStatus.value = RunningState.running;
    } catch (e) {
      serviceStatus.value = RunningState.error;
      //BotToast.showText(text: e.toString());
      print(e.toString());
    }
  }

  Future<void> stopService() async {
    serviceStatus.value = RunningState.stopping;
    if (coreStatus.value == RunningState.running) await fetchStop();
    if (!serviceMode.value) {
      if (clashServiceProcess != null) {
        clashServiceProcess!.kill();
        clashServiceProcess = null;
      } else if (kDebugMode) {
        await killProcess(path.basename(Files.assetsClashService.path));
      }
    }
    serviceStatus.value = RunningState.stoped;
  }

    // for macos
    Future<void> waitServiceStart() async {
      while (true) {
        await Future.delayed(const Duration(milliseconds: 100));
        try {
          await  client.post(Uri.http(url,'info'),headers: headers);
          break;
        } catch (_) {}
      }
    }

    // for windows
    Future<void> waitServiceStop() async {
      while (true) {
        await Future.delayed(const Duration(milliseconds: 100));
        try {
          await  client.post(Uri.http(url,'info'),headers: headers);
        } catch (e) {
          break;
        }
      }
    }

    Future<ClashServiceInfo?> fetchInfo() async {
      try {
        final res = await  client.post(Uri.http(url,'info'),headers: headers);
        var jsonResponse =
            jsonDecode(res.body) as Map<String, dynamic>;
        return ClashServiceInfo.fromJson(jsonResponse);
      } on http.ClientException catch (e) {
        // 处理客户端异常，例如没有网络连接
        print('Client Exception: ${e.message}');
        return null;
      } on Exception catch (e) {
        // 处理其他类型的异常
        print('Exception: $e');
        return null;
      }
      return null;
    }

    IOWebSocketChannel fetchLogWs() {
      return IOWebSocketChannel.connect(Uri.parse('ws://127.0.0.1:${controllers.config.config.value.servicePort}/logs'), headers: headers);
    }

  Future<void> fetchStartInit() async {
    controllers.config.config.value.selected = 'init_proxy.yaml';
    controllers.global.updateMsg("启动内核---${controllers.config.config.value.selected}");
    if( controllers.config.config.value.selected == 'init_proxy.yaml'){
      controllers.global.updateMsg("启动内核初始化");
    } else {
      controllers.global.updateMsg("启动内核");
    }
    await fetchStop();

    try{
      var ut = Uri.http(url,'start');
      final body = json.encode({
        "args": [
          '-d',
          Paths.config.path,
          '-f',
          path.join(Paths.config.path, controllers.config.config.value.selected)
        ]
      });
      final res = await client.post(ut,body: body,headers: headers);
      var jsonResponse =
      jsonDecode(res.body) as Map<String, dynamic>;
      if (jsonResponse["code"] != 0) {
        coreStatus.value = RunningState.error;
        throw jsonResponse["msg"];
      }
      coreStatus.value = RunningState.running;
    } on http.ClientException catch (e) {
      // 处理客户端异常，例如没有网络连接
      print('Client Exception: ${e.message}');
    } on Exception catch (e) {
      // 处理其他类型的异常
      print('Exception: $e');
    }

  }

    Future<void> fetchStart() async {
      controllers.config.config.value.selected = 'proxy.yaml';
      controllers.global.updateMsg("启动内核---${controllers.config.config.value.selected}");
      if( controllers.config.config.value.selected == 'init_proxy.yaml'){
        controllers.global.updateMsg("启动内核初始化");
      } else {
        controllers.global.updateMsg("启动内核");
      }
      await fetchStop();

      try{
        var ut = Uri.http(url,'start');
        final res = await client.post(ut,body: {"args": ['-d', Paths.config.path, '-f', path.join(Paths.config.path, controllers.config.config.value.selected)]},headers: headers);
        var jsonResponse =
        jsonDecode(res.body) as Map<String, dynamic>;
        if (jsonResponse["code"] != 0) throw jsonResponse["msg"];
      } on http.ClientException catch (e) {
        // 处理客户端异常，例如没有网络连接
        print('Client Exception: ${e.message}');
      } on Exception catch (e) {
        // 处理其他类型的异常
        print('Exception: $e');
      }

    }

    Future<void> fetchSetProxy() async {
      try {
        var ut = Uri.http(url,'on');
        final body = json.encode({
          "http_port" : controllers.config.mixedPort.value,
          "https_port" : controllers.config.mixedPort.value,
          "socks_port" :controllers.config.mixedPort.value,
          "bypass": "127.0.0.1, 192.168.0.0/16, 10.0.0.0/8, 172.16.0.0/12, 100.64.0.0/10, 17.0.0.0/8, localhost, *.local, *.crashlytics.com, seed-sequoia.siri.apple.com, sequoia.apple.com,xd.apple.com",
          "dns_ip": "",
          "dns_type":"",
          "address":"127.0.0.1"
        });
        await client.post(ut,body: body,headers:  headers);
      } on http.ClientException catch (e) {
        // 处理客户端异常，例如没有网络连接
        print('Client Exception: ${e.message}');
      } on Exception catch (e) {
        // 处理其他类型的异常
        print('Exception: $e');
      }
    }

  Future<void> fetchSetProxyStop() async {

    try {
      var ut = Uri.http(url,'off');
      final body = json.encode({
        "bypass": "",
        "dns_ip":""
      });
      await client.post(ut,body:body,headers:  headers);
    } on http.ClientException catch (e) {
      // 处理客户端异常，例如没有网络连接
      print('Client Exception: ${e.message}');
    } on Exception catch (e) {
      // 处理其他类型的异常
      print('Exception: $e');
    }
  }
    Future<void> fetchStop() async {
      try {
        var ut = Uri.http(url,'stop');
        await client.post(ut,headers:headers);
      } on http.ClientException catch (e) {
        // 处理客户端异常，例如没有网络连接
        print('Client Exception: ${e.message}');
      } on Exception catch (e) {
        // 处理其他类型的异常
        print('Exception: $e');
      }
    }

    Future<void> install() async {
      await initConfig();
      final res = await runAsAdmin(Files.assetsClashService.path, ["-port","${controllers.config.config.value.servicePort}","stop", "uninstall", "install", "start"]);

      log.debug('install', res.stdout, res.stderr);
      if (res.exitCode != 0) throw res.stderr;
      await waitServiceStart();
    }

    Future<void> uninstall() async {
      final res = await runAsAdmin(Files.assetsClashService.path, ["stop", "uninstall"]);
      log.debug('uninstall', res.stdout, res.stderr);
      if (res.exitCode != 0) throw res.stderr;
      await waitServiceStop();
    }

    Future<void> serviceModeSwitch(bool open) async {
      if (serviceStatus.value == RunningState.running) await stopService();
      if (coreStatus.value == RunningState.running) await stopClashCore();
      try {
        controllers.global.updateMsg(open ? "安装服务" : "卸载服务");
        open ? await install() : await uninstall();
      } catch (e) {
        BotToast.showText(text: e.toString());
      }
      if(open){
        await startService();
        //await startClashCore();
      }else{
        serviceMode.value = false;
      }

    }
  Future<bool> isPortAvailable(int port) async {
    try {
      // 尝试绑定一个socket到指定的端口
      var server = await ServerSocket.bind(InternetAddress.anyIPv4, port);
      // 成功绑定后立即关闭
      await server.close();
      // 如果成功绑定并关闭了服务器，那么端口是可用的
      return true;
    } on SocketException {
      // 如果绑定失败，端口被占用
      return false;
    }
  }
    Future<bool> startClashCore() async {
      final timeout = const Duration(seconds: 30); // 设置超时时间为30秒
      final checkInterval = const Duration(milliseconds: 200);
      var startTime = DateTime.now();
      await controllers.config.readClashCoreApi();


      try {
        controllers.global.updateMsg("启动内核---${controllers.config.config.value.selected}");
        if( controllers.config.config.value.selected == 'init_proxy.yaml'){
          controllers.global.updateMsg("启动内核初始化");
        } else {
          controllers.global.updateMsg("启动内核");
        }
        coreStatus.value = RunningState.starting;

        if(serviceMode.value == true){
          await fetchStart();
        }
        else
        {
          int? exitCode;
          clashCoreProcess = await Process.start(Files.assetsCCore.path, ['-d', Paths.config.path, '-f', path.join(Paths.config.path, controllers.config.config.value.selected)], mode: ProcessStartMode.inheritStdio);
          clashCoreProcess!.exitCode.then((code) => exitCode = code);
          if (exitCode != null && exitCode != 0) {
            // 非零退出代码通常表示错误
            controllers.global.updateMsg("启动内核错误,请重启点电脑测试");
            return false;
          }
        }

        //
        log.debug("api${controllers.config.clashCoreApiAddress.value}");
        controllers.core.setApi(controllers.config.clashCoreApiAddress.value, controllers.config.clashCoreApiSecret.value);

        while (DateTime.now().difference(startTime) < timeout) {
          try {
            controllers.global.updateMsg("等待内核启动..");
            final ret = await controllers.core.fetchHello();
            // 如果fetchHello成功，跳出循环
            break;
          } catch (_) {
            // 如果fetchHello失败，等待200毫秒后重试
            await Future.delayed(checkInterval);
          }
        }

        // 检查是否超时
        if (DateTime.now().difference(startTime) >= timeout) {
          // 如果超时，更新状态并抛出异常
          coreStatus.value = RunningState.error;
          controllers.global.updateMsg("内核启动超时，重新点击加速后尝试。");
          return false; // 提前退出函数
        }
        await controllers.core.updateConfig();
        coreStatus.value = RunningState.running;
        controllers.global.updateMsg("内核状态:${coreStatus.value == RunningState.running} ");
        return true;
      } catch (e) {
        log.error("core -- $e");
        controllers.global.updateMsg("启动内核错误");
        //controllers.global.handleApiError(e);
       // BotToast.showText(text: e.toString());
        coreStatus.value = RunningState.error;
        return false;
      }
    }

    Future<void> stopClashCore() async {
      coreStatus.value = RunningState.stopping;
      await controllers.global.closeProxy();
      if(serviceMode.value == true){
        await fetchStop();
      }
      else{
        if(clashCoreProcess != null){
          clashCoreProcess?.kill();
        }
      }

      killProcess(ClashName.name);
      // if (Platform.isMacOS &&
      //     controllers.service.serviceMode.value &&
      //     controllers.config.clashCoreTunEnable.value &&
      //     controllers.config.clashCoreDns.isNotEmpty) {
      //   await MacSystemDns.instance.set([]);
      // }
      //if (controllers.config.config.value.setSystemProxy) await SystemProxy.instance.set(SystemProxyConfig());
      //await stopClash();

      coreStatus.value = RunningState.stoped;
    }
    Future<void> initClashCoreConfig() async {
      controllers.config.config.value.selected = 'init_proxy.yaml';
       //await stopClashCore();
       await startClashCore();
       if (coreStatus.value == RunningState.error) {
         controllers.global.updateMsg("启动内核失败...");
         //BotToast.showText(text: '重启失败');
       } else {
         await controllers.core.updateVersion();
         controllers.global.updateMsg("启动内核成功...");
         //BotToast.showText(text: '重启成功');
       }
    }

  Future<void> stopClash() async {
    controllers.config.config.value.selected = 'init_proxy.yaml';
    if( coreStatus.value == RunningState.running){
      await controllers.config.readClashCoreApi();
      controllers.core.setApi(controllers.config.clashCoreApiAddress.value, controllers.config.clashCoreApiSecret.value);
      await controllers.core.changeConfig(path.join(Paths.config.path, controllers.config.config.value.selected));
    }
  }


    Future<void> reloadClashCore() async {
      try
        {
          controllers.config.config.value.selected = 'proxy.yaml';
          if( coreStatus.value == RunningState.running){
            controllers.global.updateMsg("切换配置...");
            await controllers.config.readClashCoreApi();
            //controllers.global.updateMsg("${controllers.config.clashCoreApiAddress.value}...");
            controllers.core.setApi(controllers.config.clashCoreApiAddress.value, controllers.config.clashCoreApiSecret.value);
            //controllers.global.updateMsg("setApi${controllers.config.clashCoreApiAddress.value}...");
            await controllers.core.changeConfig(path.join(Paths.config.path, controllers.config.config.value.selected));
            controllers.global.updateMsg("fetchReloadConfig${controllers.config.clashCoreApiAddress.value}...");
          }
        } catch(e){
          controllers.global.updateMsg("重新配置...");
          await controllers.config.readClashCoreApi();
          //controllers.global.updateMsg("${controllers.config.clashCoreApiAddress.value}...");
          controllers.core.setApi(controllers.config.clashCoreApiAddress.value, controllers.config.clashCoreApiSecret.value);
          //controllers.global.updateMsg("setApi${controllers.config.clashCoreApiAddress.value}...");
          await controllers.core.changeConfig(path.join(Paths.config.path, controllers.config.config.value.selected));
      }
      //BotToast.showText(text: '正在重启 Core ……');
      // controllers.global.updateMsg("停止内核...");
      // await stopClashCore();
      // await controllers.config.readClashCoreApi();
      // await startClashCore();
      // if (coreStatus.value == RunningState.error) {
      //   controllers.global.updateMsg("启动内核失败...");
      // } else {
      //   await controllers.core.updateVersion();
      //   controllers.global.updateMsg("启动内核成功...");
      // }
    }

  Future<int> getFreePort() async {
    var server = await HttpServer.bind(InternetAddress.loopbackIPv4, 0);
    int port = server.port;
    await server.close();
    return port;
  }
}