feat: 外部通知 （ServerChan 和 SMTP） (#6332)

fix #6257

接入外部通知，SMTP 和 ServerChan

~~还没有做哪些通知会往外部通知发。~~
仅所有任务完成后会发送通知。

发通知：`public static async Task
ExternalNotificationService.SendAsync(string title, string content);`

src/MaaWpfGui/Constants/ConfigurationKeys.cs

@@ -168,6 +168,17 @@ namespace MaaWpfGui.Constants
         public const string DropsItemName = "MainFunction.Drops.ItemName";
         public const string DropsQuantity = "MainFunction.Drops.Quantity";
 
+        public const string ExternalNotificationEnabled = "ExternalNotification.Enabled";
+        public const string ExternalNotificationSmtpServer = "ExternalNotification.Smtp.Server";
+        public const string ExternalNotificationSmtpPort = "ExternalNotification.Smtp.Port";
+        public const string ExternalNotificationSmtpUser = "ExternalNotification.Smtp.User";
+        public const string ExternalNotificationSmtpPassword = "ExternalNotification.Smtp.Password";
+        public const string ExternalNotificationSmtpUseSsl = "ExternalNotification.Smtp.UseSsl";
+        public const string ExternalNotificationSmtpRequiresAuthentication = "ExternalNotification.Smtp.RequiresAuthentication";
+        public const string ExternalNotificationSmtpFrom = "ExternalNotification.Smtp.From";
+        public const string ExternalNotificationSmtpTo = "ExternalNotification.Smtp.To";
+        public const string ExternalNotificationServerChanSendKey = "ExternalNotification.ServerChan.SendKey";
+
         // The following should not be modified manually
         public const string VersionName = "VersionUpdate.name";
 

src/MaaWpfGui/MaaWpfGui.csproj

@@ -66,6 +66,12 @@
       <Version>5.7.0</Version>
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="FluentEmail.Liquid">
+      <Version>3.0.2</Version>
+    </PackageReference>
+    <PackageReference Include="FluentEmail.MailKit">
+      <Version>3.0.2</Version>
+    </PackageReference>
     <PackageReference Include="GlobalHotKey">
       <Version>1.1.0</Version>
     </PackageReference>

src/MaaWpfGui/Main/AsstProxy.cs

@@ -27,6 +27,7 @@ using HandyControl.Tools.Extension;
 using MaaWpfGui.Constants;
 using MaaWpfGui.Extensions;
 using MaaWpfGui.Helper;
+using MaaWpfGui.Services.Notification;
 using MaaWpfGui.States;
 using MaaWpfGui.ViewModels.UI;
 using Newtonsoft.Json;
@@ -613,7 +614,17 @@ namespace MaaWpfGui.Main
                     if (isMainTaskQueueAllCompleted)
                     {
                         Instances.TaskQueueViewModel.AddLog(LocalizationHelper.GetString("AllTasksComplete"));
-                        using (var toast = new ToastNotification(LocalizationHelper.GetString("AllTasksComplete")))
+                        var allTaskCompleteTitle = LocalizationHelper.GetString("AllTasksComplete");
+                        var allTaskCompleteMessage = LocalizationHelper.GetString("AllTaskCompleteContent");
+
+                        var configurationPreset = ConfigurationHelper.GetValue(ConfigurationKeys.CurrentConfiguration, "Default");
+
+                        allTaskCompleteMessage = allTaskCompleteMessage
+                            .Replace("{Datetime}", DateTime.Now.ToString("U"))
+                            .Replace("{Preset}", configurationPreset);
+
+                        ExternalNotificationService.SendAsync(allTaskCompleteTitle, allTaskCompleteMessage).Wait();
+                        using (var toast = new ToastNotification(allTaskCompleteTitle))
                         {
                             toast.Show();
                         }

src/MaaWpfGui/Main/Bootstrapper.cs

@@ -19,11 +19,13 @@ using System.Security.Principal;
 using System.Windows;
 using System.Windows.Threading;
 using GlobalHotKey;
+using MaaWpfGui.Constants;
 using MaaWpfGui.Helper;
 using MaaWpfGui.Models;
 using MaaWpfGui.Services;
 using MaaWpfGui.Services.HotKeys;
 using MaaWpfGui.Services.Managers;
+using MaaWpfGui.Services.Notification;
 using MaaWpfGui.Services.Web;
 using MaaWpfGui.ViewModels.UI;
 using MaaWpfGui.Views.UI;

src/MaaWpfGui/Res/Localizations/zh-cn.xaml

@@ -21,6 +21,24 @@
     <system:String x:Key="UpdateSettings">软件更新</system:String>
     <system:String x:Key="AboutUs">关于我们</system:String>
     <system:String x:Key="Version">版本号</system:String>
+    <system:String x:Key="Off">关闭</system:String>
+    <system:String x:Key="ExternalNotificationTips">请注意：外部通知功能目前仅会发送“所有任务完成”的通知。</system:String>
+    <system:String x:Key="ExternalNotificationSettings">外部通知</system:String>
+    <system:String x:Key="ExternalNotificationEnabled">启用的通知配置</system:String>
+    <system:String x:Key="ExternalNotificationSendSuccess">发送成功</system:String>
+    <system:String x:Key="ExternalNotificationSendFail">发送失败</system:String>
+    <system:String x:Key="ExternalNotificationSendTest">发送测试</system:String>
+    <system:String x:Key="ExternalNotificationSendTestTitle">MAA 外部通知测试</system:String>
+    <system:String x:Key="ExternalNotificationSendTestContent">这是 MAA 外部通知测试信息。如果你看到了这段内容，就说明通知发送成功了！</system:String>
+    <system:String x:Key="ExternalNotificationServerChanSendKey">[Server Chan] 发送密钥</system:String>
+    <system:String x:Key="ExternalNotificationSmtpServer">[SMTP] 服务器</system:String>
+    <system:String x:Key="ExternalNotificationSmtpPort">[SMTP] 端口</system:String>
+    <system:String x:Key="ExternalNotificationSmtpSsl">[SMTP] 使用 SSL</system:String>
+    <system:String x:Key="ExternalNotificationSmtpAuth">[SMTP] 需要登录</system:String>
+    <system:String x:Key="ExternalNotificationSmtpUser">[SMTP] 用户名</system:String>
+    <system:String x:Key="ExternalNotificationSmtpPassword">[SMTP] 密码</system:String>
+    <system:String x:Key="ExternalNotificationSmtpFrom">[SMTP] 发件人</system:String>
+    <system:String x:Key="ExternalNotificationSmtpTo">[SMTP] 收件人</system:String>
     <!--  设置指引  -->
     <system:String x:Key="TaskSettings">任务设置</system:String>
     <system:String x:Key="SettingsGuide">设置指引</system:String>
@@ -509,6 +527,7 @@
     <system:String x:Key="StartCombat" xml:space="preserve">开始战斗: </system:String>
     <system:String x:Key="CompleteCombat">完成战斗</system:String>
     <system:String x:Key="AllTasksComplete">任务已全部完成！</system:String>
+    <system:String x:Key="AllTaskCompleteContent">MAA 已在 {Datetime} 完成了 {Preset} 配置下所有预设的任务。</system:String>
     <system:String x:Key="BackgroundLinkStarted">开始执行任务</system:String>
     <system:String x:Key="BackgroundLinkStopped">任务终止</system:String>
     <system:String x:Key="FailedToOpenClient">打开客户端失败，请检查配置文件</system:String>
@@ -625,4 +644,11 @@
     <system:String x:Key="ApiUpdateSuccess">关卡数据获取成功</system:String>
     <system:String x:Key="GameResourceUpdated">游戏资源已更新，请重启 MAA</system:String>
     <!--  Api  -->
+    <!--  External Notification -->
+    <system:String x:Key="ExternalNotificationEmailTemplateHello">博士，有新的通知哦！</system:String>
+    <system:String x:Key="ExternalNotificationEmailTemplateFooterLineOne">您会收到此邮件，是因为您在 MAA 中设置了 SMTP 服务器并开启了邮件通知服务。</system:String>
+    <system:String x:Key="ExternalNotificationEmailTemplateFooterLineTwo">此邮件为系统自动发送，请勿回复。</system:String>
+    <system:String x:Key="ExternalNotificationEmailTemplateLinkOfficialSite">官网</system:String>
+    <system:String x:Key="ExternalNotificationEmailTemplateLinkCopilotSite">作业站</system:String>
+    <!--  External Notification -->
 </ResourceDictionary>

src/MaaWpfGui/Services/Notification/DummyNotificationProvider.cs

@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+
+namespace MaaWpfGui.Services.Notification
+{
+    public class DummyNotificationProvider : IExternalNotificationProvider
+    {
+        public Task<bool> SendAsync(string title, string content)
+        {
+            return Task.FromResult(true);
+        }
+    }
+}

src/MaaWpfGui/Services/Notification/ExternalNotificationService.cs

@@ -0,0 +1,52 @@
+// <copyright file="ExternalNotificationService.cs" company="MaaAssistantArknights">
+// MaaWpfGui - A part of the MaaCoreArknights project
+// Copyright (C) 2021 MistEO and Contributors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY
+// </copyright>
+
+using System.Threading.Tasks;
+using MaaWpfGui.Constants;
+using MaaWpfGui.Helper;
+using Vanara.PInvoke;
+
+namespace MaaWpfGui.Services.Notification
+{
+    public static class ExternalNotificationService
+    {
+        /// <summary>
+        ///     Send notification
+        /// </summary>
+        /// <param name="title">The title of the notification</param>
+        /// <param name="content">The content of the notification</param>
+        /// <param name="isTest">Indicate if it is a test or not.</param>
+        /// <returns>Async task</returns>
+        public static async Task SendAsync(string title, string content, bool isTest = false)
+        {
+            var enabledProvider = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationEnabled, "Off");
+
+            IExternalNotificationProvider provider = enabledProvider switch
+            {
+                "ServerChan" => new ServerChanNotificationProvider(Instances.HttpService),
+                "SMTP" => new SmtpNotificationProvider(),
+                _ => new DummyNotificationProvider(),
+            };
+
+            var result = await provider.SendAsync(title, content);
+
+            if (isTest is false && result)
+            {
+                return;
+            }
+
+            using var toast = new ToastNotification(LocalizationHelper.GetString(result ? "ExternalNotificationSendSuccess" : "ExternalNotificationSendFail"));
+            toast.Show();
+        }
+    }
+}

src/MaaWpfGui/Services/Notification/IExternalNotificationProvider.cs

@@ -0,0 +1,28 @@
+// <copyright file="IExternalNotificationProvider.cs" company="MaaAssistantArknights">
+// MaaWpfGui - A part of the MaaCoreArknights project
+// Copyright (C) 2021 MistEO and Contributors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY
+// </copyright>
+
+using System.Threading.Tasks;
+
+namespace MaaWpfGui.Services.Notification
+{
+    public interface IExternalNotificationProvider
+    {
+        /// <summary>
+        ///     Send notification
+        /// </summary>
+        /// <param name="title">The title of the notification</param>
+        /// <param name="content">The content of the notification</param>
+        /// <returns>True for success, False for fail</returns>
+        public Task<bool> SendAsync(string title, string content);
+    }
+}

src/MaaWpfGui/Services/Notification/ServerChanNotificationProvider.cs

@@ -0,0 +1,78 @@
+// <copyright file="ServerChanNotificationProvider.cs" company="MaaAssistantArknights">
+// MaaWpfGui - A part of the MaaCoreArknights project
+// Copyright (C) 2021 MistEO and Contributors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY
+// </copyright>
+
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+using MaaWpfGui.Constants;
+using MaaWpfGui.Helper;
+using MaaWpfGui.Services.Web;
+using Serilog;
+
+namespace MaaWpfGui.Services.Notification
+{
+    public class ServerChanNotificationProvider : IExternalNotificationProvider
+    {
+        private readonly IHttpService _httpService;
+
+        private readonly ILogger _logger = Log.ForContext<ServerChanNotificationProvider>();
+
+        public ServerChanNotificationProvider(IHttpService httpService)
+        {
+            _httpService = httpService;
+        }
+
+        public async Task<bool> SendAsync(string title, string content)
+        {
+            var sendKey = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationServerChanSendKey, string.Empty);
+            var url = $"https://sctapi.ftqq.com/{sendKey}.send";
+
+            var response = await _httpService.PostAsJsonAsync(
+                new Uri(url),
+                new ServerChanPostContent { Title = title, Content = content, });
+
+            var responseRoot = JsonDocument.Parse(response).RootElement;
+            var hasCodeProperty = responseRoot.TryGetProperty("code", out var codeElement);
+            if (hasCodeProperty is false)
+            {
+                _logger.Warning("Failed to send ServerChan notification, unknown response, {Response}", response);
+                return false;
+            }
+
+            var hasCode = codeElement.TryGetInt32(out var code);
+            if (hasCode is false)
+            {
+                _logger.Warning("Failed to send ServerChan notification, unknown response {Response}", response);
+                return false;
+            }
+
+            if (code == 0)
+            {
+                return true;
+            }
+
+            _logger.Warning("Failed to send ServerChan notification, code {Code}", code);
+            return false;
+        }
+
+        private class ServerChanPostContent
+        {
+            [JsonPropertyName("title")]
+            public string Title { get; set; }
+
+            [JsonPropertyName("desp")]
+            public string Content { get; set; }
+        }
+    }
+}

src/MaaWpfGui/Services/Notification/SmtpNotificationProvider.cs

@@ -0,0 +1,141 @@
+using System.Threading.Tasks;
+using FluentEmail.Core;
+using FluentEmail.Liquid;
+using FluentEmail.MailKitSmtp;
+using MaaWpfGui.Constants;
+using MaaWpfGui.Helper;
+using Microsoft.Extensions.Options;
+using Serilog;
+
+namespace MaaWpfGui.Services.Notification
+{
+    public class SmtpNotificationProvider : IExternalNotificationProvider
+    {
+        private readonly ILogger _logger = Log.ForContext<ServerChanNotificationProvider>();
+
+        public async Task<bool> SendAsync(string title, string content)
+        {
+            var smtpServer = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpServer, string.Empty);
+            var smtpPortValid = int.TryParse(ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpPort, "25"), out var smtpPort);
+            var smtpUser = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpUser, string.Empty);
+            var smtpPassword = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpPassword, string.Empty);
+            var smtpUseSslValid = bool.TryParse(ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpUseSsl, "false"), out var smtpUseSsl);
+            var smtpRequiresAuthenticationValid = bool.TryParse(ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpRequiresAuthentication, "false"), out var smtpRequiresAuthentication);
+
+            if (string.IsNullOrEmpty(smtpServer) || smtpPortValid is false || smtpUseSslValid is false || smtpRequiresAuthenticationValid is false)
+            {
+                _logger.Error("Failed to send Email notification, invalid SMTP configuration");
+                return false;
+            }
+
+            Email.DefaultSender = new MailKitSender(new SmtpClientOptions
+            {
+                Server = smtpServer,
+                Port = smtpPort,
+                User = smtpUser,
+                Password = smtpPassword,
+                RequiresAuthentication = smtpRequiresAuthentication,
+                UseSsl = smtpUseSsl,
+                UsePickupDirectory = false,
+            });
+
+            Email.DefaultRenderer = new LiquidRenderer(new OptionsWrapper<LiquidRendererOptions>(new LiquidRendererOptions()));
+
+            var emailFrom = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpFrom, string.Empty);
+            var emailTo = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpTo, string.Empty);
+
+            var email = Email
+                .From(emailFrom)
+                .To(emailTo)
+                .Subject($"[MAA] {title}")
+                .UsingTemplate(EmailTemplate, new
+                {
+                    Title = title,
+                    Content = content,
+                    Hello = LocalizationHelper.GetString("ExternalNotificationEmailTemplateHello"),
+                    FooterLineOne = LocalizationHelper.GetString("ExternalNotificationEmailTemplateFooterLineOne"),
+                    FooterLineTwo = LocalizationHelper.GetString("ExternalNotificationEmailTemplateFooterLineTwo"),
+                    LinkTextOfficialSite = LocalizationHelper.GetString("ExternalNotificationEmailTemplateLinkOfficialSite"),
+                    LinkTextCopilotSite = LocalizationHelper.GetString("ExternalNotificationEmailTemplateLinkCopilotSite"),
+                });
+
+            var sendResult = await email.SendAsync();
+
+            if (sendResult.Successful)
+            {
+                _logger.Information("Successfully sent Email notification to {EmailTo}", emailTo);
+                return true;
+            }
+
+            _logger.Warning("Failed to send Email notification to {EmailTo}, {Error}", emailTo, sendResult.ErrorMessages);
+            return false;
+        }
+
+        private const string EmailTemplate = @"
+<html lang=""zh"">
+  <style>
+    .title {
+      font-size: xx-large;
+      font-weight: bold;
+      color: black;
+      text-align: center;
+    }
+
+    .heading {
+      font-size: large;
+    }
+
+    .notification h1 {
+      font-size: large;
+      font-weight: bold;
+    }
+
+    .notification p {
+      font-size: medium;
+    }
+
+    .footer {
+      font-size: small;
+    }
+
+    .space {
+      padding-left: 0.5rem;
+      padding-right: 0.5rem;
+    }
+  </style>
+
+  <h1 class=""title"">Maa Assistant Arknights</h1>
+
+  <div class=""heading"">
+    <p>{{ Hello }}</p>
+  </div>
+
+  <hr />
+
+  <div class=""notification"">
+    <h1>{{ Title }}</h1>
+    <p>{{ Content }}</p>
+  </div>
+
+  <hr />
+
+  <div class=""footer"">
+    <p>
+      {{ FooterLineOne }}
+    </p>
+    <p>{{ FooterLineTwo }}</p>
+    <p>
+      <a class=""space"" href=""https://github.com/MaaAssistantArknights"">
+        GitHub
+      </a>
+      <a class=""space"" href=""https://space.bilibili.com/3493274731940507"">
+        Bilibili
+      </a>
+      <a class=""space"" href=""https://maa.plus"">{{ LinkTextOfficialSite }}</a>
+      <a class=""space"" href=""https://prts.plus"">{{ LinkTextCopilotSite }}</a>
+    </p>
+  </div>
+</html>
+";
+    }
+}

src/MaaWpfGui/ViewModels/UI/SettingsViewModel.cs

@@ -45,6 +45,7 @@ using Newtonsoft.Json.Linq;
 using Serilog;
 using Stylet;
 using Windows.Devices.Geolocation;
+using MaaWpfGui.Services.Notification;
 using ComboBox = System.Windows.Controls.ComboBox;
 using Timer = System.Timers.Timer;
 
@@ -107,6 +108,7 @@ namespace MaaWpfGui.ViewModels.UI
             _listTitle.Add(LocalizationHelper.GetString("ConnectionSettings"));
             _listTitle.Add(LocalizationHelper.GetString("StartupSettings"));
             _listTitle.Add(LocalizationHelper.GetString("UISettings"));
+            _listTitle.Add(LocalizationHelper.GetString("ExternalNotificationSettings"));
             _listTitle.Add(LocalizationHelper.GetString("HotKeySettings"));
             _listTitle.Add(LocalizationHelper.GetString("UpdateSettings"));
             _listTitle.Add(LocalizationHelper.GetString("AboutUs"));
@@ -150,6 +152,156 @@ namespace MaaWpfGui.ViewModels.UI
             }
         }
 
+        #region External Notifications
+
+        public async Task ExternalNotificationSendTest()
+        {
+            await ExternalNotificationService.SendAsync(
+                LocalizationHelper.GetString("ExternalNotificationSendTestTitle"),
+                LocalizationHelper.GetString("ExternalNotificationSendTestContent"),
+                true);
+        }
+
+        public List<CombinedData> ExternalNotificationProviders => new List<CombinedData>
+        {
+            new CombinedData { Display = LocalizationHelper.GetString("Off"), Value = "Off" },
+            new CombinedData { Display = "Server Chan", Value = "ServerChan" },
+            new CombinedData { Display = "SMTP", Value = "SMTP" },
+        };
+
+        private string _enabledExternalNotificationProvider = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationEnabled, "Off");
+
+        public bool IsEnabled => _enabledExternalNotificationProvider != "Off";
+
+        public bool IsServerChan => _enabledExternalNotificationProvider == "ServerChan";
+
+        public bool IsSmtp => _enabledExternalNotificationProvider == "SMTP";
+
+        public string EnabledExternalNotificationProvider
+        {
+            get => _enabledExternalNotificationProvider;
+            set
+            {
+                SetAndNotify(ref _enabledExternalNotificationProvider, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationEnabled, value);
+
+                NotifyOfPropertyChange(nameof(IsEnabled));
+                NotifyOfPropertyChange(nameof(IsSmtp));
+                NotifyOfPropertyChange(nameof(IsServerChan));
+            }
+        }
+
+        private string _serverChanSendKey = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationServerChanSendKey, string.Empty);
+
+        public string ServerChanSendKey
+        {
+            get => _serverChanSendKey;
+            set
+            {
+                SetAndNotify(ref _serverChanSendKey, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationServerChanSendKey, value);
+            }
+        }
+
+        private string _smtpServer = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpServer, string.Empty);
+
+        public string SmtpServer
+        {
+            get => _smtpServer;
+            set
+            {
+                SetAndNotify(ref _smtpServer, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpServer, value);
+            }
+        }
+
+        private string _smtpPort = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpPort, string.Empty);
+
+        public string SmtpPort
+        {
+            get => _smtpPort;
+            set
+            {
+                SetAndNotify(ref _smtpPort, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpPort, value);
+            }
+        }
+
+        private string _smtpUser = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpUser, string.Empty);
+
+        public string SmtpUser
+        {
+            get => _smtpUser;
+            set
+            {
+                SetAndNotify(ref _smtpUser, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpUser, value);
+            }
+        }
+
+        private string _smtpPassword = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpPassword, string.Empty);
+
+        public string SmtpPassword
+        {
+            get => _smtpPassword;
+            set
+            {
+                SetAndNotify(ref _smtpPassword, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpPassword, value);
+            }
+        }
+
+        private string _smtpFrom = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpFrom, string.Empty);
+
+        public string SmtpFrom
+        {
+            get => _smtpFrom;
+            set
+            {
+                SetAndNotify(ref _smtpFrom, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpFrom, value);
+            }
+        }
+
+        private string _smtpTo = ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpTo, string.Empty);
+
+        public string SmtpTo
+        {
+            get => _smtpTo;
+            set
+            {
+                SetAndNotify(ref _smtpTo, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpTo, value);
+            }
+        }
+
+        private bool _smtpUseSsl = bool.Parse(ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpUseSsl, "false"));
+
+        public bool SmtpUseSsl
+        {
+            get => _smtpUseSsl;
+            set
+            {
+                SetAndNotify(ref _smtpUseSsl, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpUseSsl, value.ToString());
+            }
+        }
+
+        private bool _smtpRequireAuthentication = bool.Parse(ConfigurationHelper.GetValue(ConfigurationKeys.ExternalNotificationSmtpRequiresAuthentication, "false"));
+
+        public bool SmtpRequireAuthentication
+        {
+            get => _smtpRequireAuthentication;
+            set
+            {
+                SetAndNotify(ref _smtpRequireAuthentication, value);
+                ConfigurationHelper.SetValue(ConfigurationKeys.ExternalNotificationSmtpRequiresAuthentication, value.ToString());
+            }
+        }
+
+        #endregion
+
+
         private List<string> _listTitle = new List<string>();
 
         /// <summary>

src/MaaWpfGui/Views/UI/SettingsView.xaml

@@ -69,12 +69,15 @@
                 <userControl:GUISettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
 
                 <hc:Divider Content="{Binding ListTitle[6]}" />
-                <userControl:HotKeySettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
+                <userControl:ExternalNotificationSettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
 
                 <hc:Divider Content="{Binding ListTitle[7]}" />
-                <userControl:VersionUpdateSettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
+                <userControl:HotKeySettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
 
                 <hc:Divider Content="{Binding ListTitle[8]}" />
+                <userControl:VersionUpdateSettingsUserControl Margin="0,20" HorizontalAlignment="Center" />
+
+                <hc:Divider Content="{Binding ListTitle[9]}" />
                 <userControl:AboutUserControl Margin="0,20" HorizontalAlignment="Center" />
                 <!--<Rectangle HorizontalAlignment="Stretch" Fill="{DynamicResource BorderBrush}" Height="1" />-->
             </StackPanel>

src/MaaWpfGui/Views/UserControl/ExternalNotificationSettingsUserControl.xaml

@@ -0,0 +1,255 @@
+<UserControl
+    x:Class="MaaWpfGui.Views.UserControl.ExternalNotificationSettingsUserControl"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:c="clr-namespace:CalcBinding;assembly=CalcBinding"
+    xmlns:controls="clr-namespace:MaaWpfGui.Styles.Controls"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:dd="urn:gong-wpf-dragdrop"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:s="https://github.com/canton7/Stylet"
+    xmlns:styles="clr-namespace:MaaWpfGui.Styles"
+    xmlns:ui="clr-namespace:MaaWpfGui.ViewModels.UI"
+    xmlns:viewModels="clr-namespace:MaaWpfGui.ViewModels"
+    xmlns:vm="clr-namespace:MaaWpfGui"
+    xmlns:u="clr-namespace:MaaWpfGui.Utilities"
+    xmlns:hc="https://handyorg.github.io/handycontrol"
+    d:DataContext="{d:DesignInstance {x:Type ui:SettingsViewModel}}"
+    d:DesignHeight="300"
+    d:DesignWidth="550"
+    mc:Ignorable="d">
+    <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+        </Grid.RowDefinitions>
+
+        <StackPanel
+            Grid.Row="0"
+            Grid.Column="0"
+            Orientation="Horizontal">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="65"/>
+                    <ColumnDefinition Width="420"/>
+                    <ColumnDefinition Width="65"/>
+                </Grid.ColumnDefinitions>
+            <controls:TextBlock
+                    Grid.Column="1"
+                    Margin="10"
+                    Block.TextAlignment="Center"
+                    Text="{DynamicResource ExternalNotificationTips}"
+                    TextWrapping="Wrap" />
+            </Grid>
+        </StackPanel>
+
+        <StackPanel
+            Grid.Row="1"
+            Grid.Column="0"
+            Orientation="Horizontal">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="35"/>
+                    <ColumnDefinition Width="130"/>
+                    <ColumnDefinition Width="270"/>
+                    <ColumnDefinition Width="80"/>
+                    <ColumnDefinition Width="35"/>
+                </Grid.ColumnDefinitions>
+                <controls:TextBlock
+                    Grid.Row="0"
+                    Grid.Column="1"
+                    Margin="10"
+                    Block.TextAlignment="Center"
+                    Text="{DynamicResource ExternalNotificationEnabled}"
+                    TextWrapping="Wrap" />
+                <ComboBox
+                    Grid.Row="0"
+                    Grid.Column="2"
+                    Width="250"
+                    Height="30"
+                    Margin="10"
+                    DisplayMemberPath="Display"
+                    ItemsSource="{Binding ExternalNotificationProviders}"
+                    SelectedValue="{Binding EnabledExternalNotificationProvider}"
+                    SelectedValuePath="Value" />
+                <Button
+                    Grid.Row="0"
+                    Grid.Column="3"
+                    Margin="5"
+                    IsEnabled="{c:Binding IsEnabled}"
+                    Command="{s:Action ExternalNotificationSendTest}"
+                    Content="{DynamicResource ExternalNotificationSendTest}"/>
+            </Grid>
+        </StackPanel>
+
+        <StackPanel
+            Grid.Row="2"
+            Grid.Column="0"
+            IsEnabled="{c:Binding IsServerChan}"
+            Orientation="Horizontal">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="65"/>
+                    <ColumnDefinition Width="150"/>
+                    <ColumnDefinition Width="270"/>
+                    <ColumnDefinition Width="65"/>
+                </Grid.ColumnDefinitions>
+                <controls:TextBlock
+                    Grid.Row="0"
+                    Grid.Column="1"
+                    Margin="10"
+                    Block.TextAlignment="Center"
+                    Text="{DynamicResource ExternalNotificationServerChanSendKey}"
+                    TextWrapping="Wrap" />
+                <TextBox
+                    x:Name="ServerChanSendKey"
+                    Grid.Row="0"
+                    Grid.Column="2"
+                    Width="250"
+                    Height="30"
+                    Margin="10"
+                    Text="{c:Binding ServerChanSendKey}" />
+            </Grid>
+        </StackPanel>
+
+        <StackPanel
+            Grid.Row="3"
+            Grid.Column="0"
+            IsEnabled="{c:Binding IsSmtp}"
+            Orientation="Horizontal">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition />
+                    <RowDefinition />
+                    <RowDefinition />
+                    <RowDefinition />
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="35"/>
+                    <ColumnDefinition Width="70"/>
+                    <ColumnDefinition Width="170"/>
+                    <ColumnDefinition Width="70"/>
+                    <ColumnDefinition Width="170"/>
+                    <ColumnDefinition Width="35"/>
+                </Grid.ColumnDefinitions>
+
+                <CheckBox
+                    Grid.Row="0"
+                    Grid.Column="2"
+                    Margin="10"
+                    HorizontalAlignment="Center"
+                    VerticalAlignment="Center"
+                    Content="{DynamicResource ExternalNotificationSmtpSsl}"
+                    IsChecked="{c:Binding SmtpUseSsl}"/>
+                <CheckBox
+                    Grid.Row="0"
+                    Grid.Column="4"
+                    Margin="10"
+                    VerticalAlignment="Center"
+                    Content="{DynamicResource ExternalNotificationSmtpAuth}"
+                    IsChecked="{c:Binding SmtpRequireAuthentication}"/>
+
+            <controls:TextBlock
+                Grid.Row="1"
+                Grid.Column="1"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpServer}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpServer"
+                Grid.Row="1"
+                Grid.Column="2"
+                Width="150"
+                Height="30"
+                Margin="10"
+                Text="{c:Binding SmtpServer}" />
+            <controls:TextBlock
+                Grid.Row="1"
+                Grid.Column="3"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpPort}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpPort"
+                Grid.Row="1"
+                Grid.Column="4"
+                Width="150"
+                Height="30"
+                Margin="10"
+                Text="{c:Binding SmtpPort}" />
+
+            <controls:TextBlock
+                Grid.Row="2"
+                Grid.Column="1"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpUser}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpUser"
+                Grid.Row="2"
+                Grid.Column="2"
+                Width="150"
+                Height="30"
+                Margin="10"
+                IsEnabled="{c:Binding SmtpRequireAuthentication}"
+                Text="{c:Binding SmtpUser}" />
+            <controls:TextBlock
+                Grid.Row="2"
+                Grid.Column="3"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpPassword}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpPassword"
+                Grid.Row="2"
+                Grid.Column="4"
+                Width="150"
+                Height="30"
+                Margin="10"
+                IsEnabled="{c:Binding SmtpRequireAuthentication}"
+                Text="{c:Binding SmtpPassword}" />
+
+            <controls:TextBlock
+                Grid.Row="3"
+                Grid.Column="1"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpFrom}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpFrom"
+                Grid.Row="3"
+                Grid.Column="2"
+                Width="150"
+                Height="30"
+                Margin="10"
+                Text="{c:Binding SmtpFrom}" />
+            <controls:TextBlock
+                Grid.Row="3"
+                Grid.Column="3"
+                Margin="10"
+                Block.TextAlignment="Center"
+                Text="{DynamicResource ExternalNotificationSmtpTo}"
+                TextWrapping="Wrap" />
+            <TextBox
+                x:Name="SmtpTo"
+                Grid.Row="3"
+                Grid.Column="4"
+                Width="150"
+                Height="30"
+                Margin="10"
+                Text="{c:Binding SmtpTo}" />
+
+            </Grid>
+        </StackPanel>
+    </Grid>
+</UserControl>

src/MaaWpfGui/Views/UserControl/ExternalNotificationSettingsUserControl.xaml.cs

@@ -0,0 +1,29 @@
+// <copyright file="ExternalNotificationSettingsUserControl.xaml.cs" company="MaaAssistantArknights">
+// MaaWpfGui - A part of the MaaCoreArknights project
+// Copyright (C) 2021 MistEO and Contributors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY
+// </copyright>
+
+namespace MaaWpfGui.Views.UserControl
+{
+    /// <summary>
+    /// ExternalNotificationSettingsUserControl.xaml 的交互逻辑
+    /// </summary>
+    public partial class ExternalNotificationSettingsUserControl : System.Windows.Controls.UserControl
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ExternalNotificationSettingsUserControl"/> class.
+        /// </summary>
+        public ExternalNotificationSettingsUserControl()
+        {
+            InitializeComponent();
+        }
+    }
+}