296 lines
9.5 KiB
C#
296 lines
9.5 KiB
C#
// /************************************************************************
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// * @file RecipeLockPanel.xaml.cs
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// * @author Su Liang
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// * @date 2023/03/08
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// *
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// * @copyright © Sicentury Inc.
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// *
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// * @brief
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// *
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// * @details
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// *
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// *
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// * *****************************************************************************/
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using System;
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using System.Diagnostics;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Animation;
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using System.Windows.Media.Effects;
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using Aitex.Core.Util;
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using MECF.Framework.Common.DataCenter;
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using MECF.Framework.Common.OperationCenter;
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using Panel = System.Windows.Controls.Panel;
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namespace MECF.Framework.UI.Client.Ctrlib.Controls
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{
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public partial class PanelLocker
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{
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/// <summary>
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/// 锁定时背景模糊半径
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/// </summary>
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private const double BLUR_RADIUS = 30;
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/// <summary>
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/// 默认密码admin的SHA256
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/// </summary>
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private const string DEF_PASSWORD = "8C6976E5B5410415BDE908BD4DEE15DFB167A9C873FC4BB8A81F6F2AB448A918";
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// 阻止密码攻击定时器
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private readonly DeviceTimer _timPassAttackDetector;
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// 密码连续重试次数
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private int _retryTimes;
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// 自动锁定计时器
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private readonly Stopwatch _swAutoLock;
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private PeriodicJob _pjobAutoLock;
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private int _timeoutAutoLock = int.MaxValue;
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public PanelLocker()
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{
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InitializeComponent();
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_timPassAttackDetector = new DeviceTimer();
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_retryTimes = 0;
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_pjobAutoLock = new PeriodicJob(int.MaxValue, () =>
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{
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Dispatcher.Invoke(Lock);
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return true;
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}, "AutoLockRecipeEditor");
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// Lock面板加载后，或重新激活后，将焦点自动设置到PasswordBox
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Loaded += (sender, args) =>
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{
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txtPass.Focus();
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};
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}
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#region Dps
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public static readonly DependencyProperty LockTargetProperty = DependencyProperty.Register(
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nameof(LockTarget), typeof(Panel), typeof(PanelLocker), new PropertyMetadata(default(Panel), (sender, args) =>
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{
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// 初次拿到LockTarget对象时，锁定对象
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if (sender is PanelLocker pl && args.NewValue is Panel)
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{
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pl.Lock();
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}
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}));
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/// <summary>
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/// 设置或返回待锁定的界面
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/// </summary>
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public Panel LockTarget
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{
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get => (Panel)GetValue(LockTargetProperty);
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set => SetValue(LockTargetProperty, value);
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}
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public static readonly DependencyProperty ScPathPasswordProperty = DependencyProperty.Register(
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nameof(ScPathPassword), typeof(string), typeof(PanelLocker), new PropertyMetadata("System.Recipe.EditorPassword"));
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/// <summary>
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/// 设置或返回SC中存放密码的节点。
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/// </summary>
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public string ScPathPassword
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{
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get => (string)GetValue(ScPathPasswordProperty);
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set => SetValue(ScPathPasswordProperty, value);
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}
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public static readonly DependencyProperty ScPathIsResetPasswordProperty = DependencyProperty.Register(
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nameof(ScPathIsResetPassword), typeof(string), typeof(PanelLocker), new PropertyMetadata("System.Recipe.ResetEditorPassword"));
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/// <summary>
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/// 设置或返回SC中复位密码的节点。
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/// </summary>
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public string ScPathIsResetPassword
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{
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get => (string)GetValue(ScPathIsResetPasswordProperty);
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set => SetValue(ScPathIsResetPasswordProperty, value);
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}
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public static readonly DependencyProperty OpPathSetNewPasswordProperty = DependencyProperty.Register(
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nameof(OpPathSetNewPassword), typeof(string), typeof(PanelLocker), new PropertyMetadata("System.SetNewRecipeEditorPassword"));
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/// <summary>
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/// 设置或返回RT中注册的用于设置新密码的OP。
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/// </summary>
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public string OpPathSetNewPassword
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{
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get => (string)GetValue(OpPathSetNewPasswordProperty);
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set => SetValue(OpPathSetNewPasswordProperty, value);
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}
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public static readonly DependencyProperty OpPathResetPasswordToDefaultProperty = DependencyProperty.Register(
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nameof(OpPathResetPasswordToDefault), typeof(string), typeof(PanelLocker), new PropertyMetadata("System.ResetRecipeEditorPassword"));
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public string OpPathResetPasswordToDefault
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{
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get => (string)GetValue(OpPathResetPasswordToDefaultProperty);
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set => SetValue(OpPathResetPasswordToDefaultProperty, value);
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}
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#endregion
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#region Methods
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protected override void OnRender(DrawingContext drawingContext)
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{
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base.OnRender(drawingContext);
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txtPass.Focus();
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}
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public void Lock()
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{
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txtPass.Password = "";
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txtInfo.Text = "";
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LockTarget.Effect = new BlurEffect();
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Visibility = Visibility.Visible;
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var aniBlurFadeOut = new DoubleAnimation(0, BLUR_RADIUS, new Duration(TimeSpan.FromMilliseconds(300)));
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LockTarget.Effect.BeginAnimation(BlurEffect.RadiusProperty, aniBlurFadeOut);
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// 停止自动锁定计时器
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//_swAutoLock.Stop();
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}
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/// <summary>
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/// 重置自动锁定超时计时器
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/// </summary>
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public void ResetAutoLockTimer()
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{
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_pjobAutoLock.Stop();
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_pjobAutoLock.Start();
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}
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/// <summary>
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/// 校验密码
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/// </summary>
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/// <returns></returns>
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private bool CheckPassword()
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{
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// 是否请求重置密码
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var reqResetPass = (bool)QueryDataClient.Instance.Service.GetConfig(ScPathIsResetPassword);
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if (reqResetPass)
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{
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// 密码重置为admin
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InvokeClient.Instance.Service.DoOperation(OpPathResetPasswordToDefault, DEF_PASSWORD);
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}
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// 读取系统配置中的Password，如果读取失败，使用默认密码admin
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var passInSc = QueryDataClient.Instance.Service.GetConfig(ScPathPassword).ToString();
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if (string.IsNullOrEmpty(passInSc))
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passInSc = DEF_PASSWORD;
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using (var sha = SHA256.Create())
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{
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var bytesHash = sha.ComputeHash(Encoding.UTF8.GetBytes(txtPass.Password));
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var passInput = BitConverter.ToString(bytesHash).Replace("-", "");
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if (passInput == passInSc)
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{
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txtPass.Password = "";
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return true;
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}
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}
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// 检测是否5s内重试密码5次以上。
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if (_timPassAttackDetector.IsIdle() || _timPassAttackDetector.IsTimeout())
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{
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_timPassAttackDetector.Start(5000);
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_retryTimes = 0;
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}
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else
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{
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_retryTimes++;
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if (_retryTimes > 5)
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{
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btnUnlock.IsEnabled = false;
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txtPass.IsEnabled = false;
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// 如果5s内重试的次数大于5次，禁用解锁窗口5秒钟
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Task.Run(() =>
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{
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var deniedSec = 5;
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while (deniedSec-- > 0)
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{
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Dispatcher.Invoke(() =>
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{
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txtInfo.Text = $"You have retried too many times, try again in {deniedSec} seconds";
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});
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Thread.Sleep(1000);
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}
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Dispatcher.Invoke(() =>
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{
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txtInfo.Text = "";
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btnUnlock.IsEnabled = true;
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txtPass.IsEnabled = true;
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});
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});
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}
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}
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txtInfo.Text = "Incorrect Password";
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txtPass.Password = "";
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return false;
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}
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#endregion
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#region Events
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private void BtnUnlock_OnClick(object sender, RoutedEventArgs e)
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{
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if (!CheckPassword())
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{
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txtPass.Focus();
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return;
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}
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if (LockTarget.Effect is BlurEffect eff)
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{
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var aniBlurFadeOut = new DoubleAnimation(BLUR_RADIUS, 0, new Duration(TimeSpan.FromMilliseconds(300)));
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eff.BeginAnimation(BlurEffect.RadiusProperty, aniBlurFadeOut);
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}
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LockTarget.Effect = null;
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this.Visibility = Visibility.Collapsed;
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// 启动自动锁定计时器
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/*var autoLockTimeout = (int)QueryDataClient.Instance.Service.GetConfig("System.RecipeEditorAutoLockTimeout");
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if (autoLockTimeout <= 0)
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autoLockTimeout = 60;
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_swAutoLock.Interval = autoLockTimeout;
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_swAutoLock.Start();*/
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}
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private void TxtPass_OnPreviewKeyDown(object sender, KeyEventArgs e)
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{
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if (e.Key == Key.Enter)
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BtnUnlock_OnClick(this, new RoutedEventArgs());
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}
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#endregion
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}
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} |