2023-04-13 11:51:03 +08:00
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.ServiceModel;
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using System.ServiceModel.Channels;
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using System.Threading;
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using System.Threading.Tasks;
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using Aitex.Common.Util;
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using Aitex.Core.Account;
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using Aitex.Core.RT.Event;
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using Aitex.Core.RT.Log;
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using Aitex.Core.Util;
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using Aitex.Core.WCF;
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using MECF.Framework.Common.Account.Extends;
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using MECF.Framework.Common.Equipment;
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namespace MECF.Framework.Common.Account
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{
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public class AccountExManager : Singleton<AccountExManager>
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{
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#region Variables
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private readonly Dictionary<string, LoginResult> _dicLoginNameToLoginResult = new();
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private readonly Dictionary<string, LoginResult> _dicTokenToLoginResult = new();
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private readonly string _scAccountTemplateFile = PathManager.GetCfgDir() + "Account//Account.xml";
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private readonly string _scAccountLocalFile = PathManager.GetCfgDir() + "Account//_AccountEx.xml";
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// 旧的_Account.xml文件路径,为兼容已有的账户配置。
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private readonly string _oldAccountXmlFile = PathManager.GetCfgDir() + "Account//_Account.xml";
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private readonly object _syncRoot = new();
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#endregion
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#region COnstructors
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public AccountExManager()
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{
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// 默认不允许多用户登录
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IsSupportMultiUserLogin = false;
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}
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#endregion
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#region Properties
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/// <summary>
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/// 返回角色加载器。
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/// </summary>
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public RoleLoader RoleLoader { get; private set; }
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/// <summary>
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/// 返回是否支持多用户登录RT。
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/// </summary>
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private bool IsSupportMultiUserLogin { get; }
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#endregion
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#region Methods
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/// <summary>
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/// 初始化当前对象。
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/// </summary>
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/// <param name="enableService"></param>
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/// <exception cref="ApplicationException"></exception>
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public void Initialize(bool enableService)
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{
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if (!File.Exists(_scAccountLocalFile))
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{
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if (File.Exists(_oldAccountXmlFile))
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{
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// 如果已存在_Account.xml,则从_Account.xml创建_AccountEx.xml文件。
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File.Copy(_oldAccountXmlFile, _scAccountLocalFile);
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Thread.Sleep(10);
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}
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else if (File.Exists(_scAccountTemplateFile))
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{
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File.Copy(_scAccountTemplateFile, _scAccountLocalFile);
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Thread.Sleep(10);
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}
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// 模板文件不存在
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throw new ApplicationException("Can not initialize account configuration file, " +
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_scAccountTemplateFile);
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}
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RoleLoader = new RoleLoader(_scAccountLocalFile);
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RoleLoader.Load();
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if (enableService)
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{
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Singleton<WcfServiceManager>.Instance.Initialize(new Type[1] { typeof(AccountService) });
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}
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}
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private RemoteEndpointMessageProperty GetCurrentEndPoint()
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{
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var context = OperationContext.Current;
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var prop = context.IncomingMessageProperties;
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var endpoint =
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prop[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
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return endpoint;
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}
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private CancellationTokenSource cts;
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public async Task<LoginRequestResults> RequestLogin()
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{
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if (cts is { IsCancellationRequested: false })
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throw new InvalidOperationException("some user is requesting login, try again later.");
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cts = new CancellationTokenSource();
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var token = cts.Token;
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return await Task.Run(async () =>
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{
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await Task.Delay(5000, token);
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cts = null;
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return LoginRequestResults.Rejected;
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}, token);
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}
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public void CancelLoginRequest()
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{
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cts?.Cancel();
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}
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public LoginResult AuthLogin(string loginName, string password, string role, LoginClientInfo clientInfo)
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{
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lock (_syncRoot)
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{
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var endPoint = GetCurrentEndPoint();
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var loginResult = new LoginResult
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{
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ActSucc = true,
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Token = Guid.NewGuid().ToString(),
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LoginIP = endPoint.Address,
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LoginPort = endPoint.Port,
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LoginTime = DateTime.Now
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};
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try
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{
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var accountList = RoleLoader.AccountList;
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var accountEx = accountList.FirstOrDefault(x => x.LoginName == loginName);
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if (accountEx == null)
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{
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loginResult.ActSucc = false;
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loginResult.Description = AuthorizeResult.NoMatchUser.ToString();
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}
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else
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{
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var matchedAccount = accountList.FirstOrDefault(x => x.LoginName == loginName);
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if (matchedAccount == null)
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{
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// 登录失败,当前账户不在指定的角色中。
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loginResult.ActSucc = false;
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loginResult.Description = AuthorizeResult.NoMatchUser.ToString();
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return loginResult;
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}
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if (matchedAccount.Password != password)
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{
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// 登录失败,密码错误
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loginResult.ActSucc = false;
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loginResult.Description = AuthorizeResult.WrongPwd.ToString();
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return loginResult;
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}
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// 查找当前用户的登录角色是否存在
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foreach (var roleId in matchedAccount.RoleIDs)
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{
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if (roleId == role)
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{
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// 用户名、密码、角色匹配,进入登录流程
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loginResult.ActSucc = true;
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loginResult.AccountEx = matchedAccount;
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loginResult.Description = AuthorizeResult.None.ToString();
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if (IsSupportMultiUserLogin)
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{
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// 如果支持多用户登录,并且相同账号异地登录,则踢掉已登录的客户端。
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if (_dicLoginNameToLoginResult.TryGetValue(loginName, out var loggedInfo))
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{
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_dicTokenToLoginResult.Remove(loggedInfo.Token);
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_dicLoginNameToLoginResult.Remove(loginName);
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EV.PostLoginBySameUser(new Credential(loggedInfo.Token, loginName));
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}
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}
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else
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{
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// 如果不支持多用户登录,则踢掉所有已登录的客户端。
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foreach (var user in _dicLoginNameToLoginResult)
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EV.PostLoginBySameUser(new Credential(user.Value.Token, user.Key));
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_dicTokenToLoginResult.Clear();
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_dicLoginNameToLoginResult.Clear();
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}
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_dicLoginNameToLoginResult[loginName] = loginResult;
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_dicTokenToLoginResult[loginResult.Token] = loginResult;
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EV.PostMessage(ModuleName.System.ToString(), EventEnum.UserLoggedIn, loginResult);
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return loginResult;
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}
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}
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// 登录失败,当前账户不在指定的角色中。
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loginResult.ActSucc = false;
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loginResult.Description = AuthorizeResult.NoMatchRole.ToString();
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return loginResult;
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}
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}
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catch (Exception ex)
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{
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LOG.Error(ex.Message, ex);
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}
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return loginResult;
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}
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}
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internal void Logout(string sessionId)
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{
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lock (_syncRoot)
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{
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if (_dicTokenToLoginResult.TryGetValue(sessionId, out var loginResult))
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{
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EV.PostMessage(ModuleName.System.ToString(), EventEnum.UserLoggedOff,
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_dicLoginNameToLoginResult[loginResult.AccountEx.LoginName]);
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_dicLoginNameToLoginResult.Remove(loginResult.AccountEx.LoginName);
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_dicTokenToLoginResult.Remove(sessionId);
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}
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}
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}
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#endregion
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}
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}
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