Initial commit: WpywMail 自建邮件系统：.NET 8 原生 SMTP/IMAP 服务端（DKIM 签名、SPF/DKIM/DMARC 入站校验、SQLite 存储、完整账号体系）、Node 服务端、WinUI 3 客户端与 Web 前端

2026-09-19 11:19:40 +08:00
commit b8814a7615
84 changed files with 21197 additions and 0 deletions
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+using System.Collections.ObjectModel;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Input;
+using Windows.System;
+
+namespace WpywMail.Client;
+
+public sealed partial class MainWindow : Window
+{
+    private readonly ObservableCollection<MailSummary> messages = [];
+    private ApiClient api = new();
+    private string folder = "inbox";
+    private CancellationTokenSource? searchCancellation;
+
+    public MainWindow()
+    {
+        InitializeComponent();
+        MessageList.ItemsSource = messages;
+    }
+
+    private async void LoginButton_Click(object sender, RoutedEventArgs e) => await LoginAsync();
+
+    private async void PasswordBox_KeyDown(object sender, KeyRoutedEventArgs e)
+    {
+        if (e.Key == VirtualKey.Enter) await LoginAsync();
+    }
+
+    private async Task LoginAsync()
+    {
+        var email = EmailBox.Text.Trim();
+        var password = PasswordBox.Password;
+        if (string.IsNullOrWhiteSpace(email) || string.IsNullOrWhiteSpace(password))
+        {
+            LoginStatus.Text = "请输入邮箱和密码。";
+            return;
+        }
+
+        LoginButton.IsEnabled = false;
+        LoginStatus.Text = "正在连接邮箱服务…";
+        try
+        {
+            api.SetBaseUrl(ApiUrlBox.Text);
+            var result = await api.LoginAsync(email, password);
+            api.SetToken(result.Token);
+            AccountText.Text = result.User.Email;
+            LoginView.Visibility = Visibility.Collapsed;
+            ShellView.Visibility = Visibility.Visible;
+            LoginStatus.Text = "";
+            await RefreshAsync();
+        }
+        catch (Exception ex)
+        {
+            LoginStatus.Text = ex.Message.Contains("无法连接", StringComparison.OrdinalIgnoreCase)
+                ? "无法连接服务端，请检查地址、端口和服务状态。"
+                : ex.Message;
+        }
+        finally { LoginButton.IsEnabled = true; }
+    }
+
+    private async Task RefreshAsync()
+    {
+        try
+        {
+            var me = await api.GetMeAsync();
+            InboxCount.Text = me.Stats.Unread > 0 ? me.Stats.Unread.ToString() : "";
+            await LoadFolderAsync(folder, SearchBox.Text);
+            ConnectionText.Text = "已连接";
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["AccentBrush"];
+        }
+        catch (Exception ex)
+        {
+            ConnectionText.Text = ex.Message;
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
+        }
+    }
+
+    private async Task LoadFolderAsync(string selectedFolder, string query = "")
+    {
+        try
+        {
+            var result = await api.GetMessagesAsync(selectedFolder, query);
+            messages.Clear();
+            foreach (var message in result) messages.Add(message);
+            FolderTitle.Text = selectedFolder switch
+            {
+                "sent" => "已发送",
+                "drafts" => "草稿",
+                "archive" => "归档",
+                "trash" => "垃圾箱",
+                _ => "收件箱"
+            };
+            FolderSubtitle.Text = messages.Count == 0 ? "暂无邮件" : $"{messages.Count} 封邮件";
+        }
+        catch (Exception ex)
+        {
+            ConnectionText.Text = ex.Message;
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
+        }
+    }
+
+    private async void FolderButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (sender is not Button button || button.Tag is not string selectedFolder) return;
+        folder = selectedFolder;
+        EmptyReadingPane.Visibility = Visibility.Visible;
+        ReadingPane.Visibility = Visibility.Collapsed;
+        await LoadFolderAsync(folder, SearchBox.Text);
+    }
+
+    private async void MessageList_SelectionChanged(object sender, SelectionChangedEventArgs e)
+    {
+        if (MessageList.SelectedItem is not MailSummary summary) return;
+        try
+        {
+            var message = await api.GetMessageAsync(summary.Id);
+            ReadingSubject.Text = message.Subject;
+            ReadingInitials.Text = message.Initials;
+            ReadingFrom.Text = message.From;
+            ReadingDate.Text = message.Date.ToLocalTime().ToString("yyyy-MM-dd HH:mm");
+            ReadingBody.Text = message.Text;
+            EmptyReadingPane.Visibility = Visibility.Collapsed;
+            ReadingPane.Visibility = Visibility.Visible;
+            summary.Unread = false;
+            MessageList.SelectedItem = null;
+        }
+        catch (Exception ex) { ConnectionText.Text = ex.Message; }
+    }
+
+    private async void RefreshButton_Click(object sender, RoutedEventArgs e) => await RefreshAsync();
+
+    private async void SearchBox_TextChanged(object sender, TextChangedEventArgs e)
+    {
+        searchCancellation?.Cancel();
+        searchCancellation = new CancellationTokenSource();
+        var token = searchCancellation.Token;
+        try
+        {
+            await Task.Delay(260, token);
+            await LoadFolderAsync(folder, SearchBox.Text);
+        }
+        catch (OperationCanceledException) { }
+    }
+
+    private async void LogoutButton_Click(object sender, RoutedEventArgs e)
+    {
+        await api.LogoutAsync();
+        messages.Clear();
+        ShellView.Visibility = Visibility.Collapsed;
+        LoginView.Visibility = Visibility.Visible;
+        PasswordBox.Password = "";
+        LoginStatus.Text = "已退出登录。";
+    }
+
+    private async void SettingsButton_Click(object sender, RoutedEventArgs e)
+    {
+        ConfigResponse config;
+        try { config = await api.GetConfigAsync(); }
+        catch (Exception ex)
+        {
+            ConnectionText.Text = ex.Message;
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
+            return;
+        }
+        var newPassword = new PasswordBox { PlaceholderText = "新密码（至少 12 位）", MinWidth = 360 };
+        var content = new StackPanel { Spacing = 12, Width = 430 };
+        content.Children.Add(new TextBlock { Text = $"账户\n{config.Account}", Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["TextSecondaryBrush"] });
+        content.Children.Add(new TextBlock { Text = $"域名：{config.Domain}\n主机名：{config.Hostname}\nSMTP：{config.Protocols.Smtp}    提交端口：{config.Protocols.Submission}", Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["TextTertiaryBrush"] });
+        content.Children.Add(new Border { Height = 1, Background = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["StrokeBrush"] });
+        content.Children.Add(new TextBlock { Text = "修改密码", FontWeight = Microsoft.UI.Text.FontWeights.SemiBold });
+        content.Children.Add(newPassword);
+
+        var dialog = new ContentDialog
+        {
+            Title = "账户与服务",
+            Content = content,
+            PrimaryButtonText = "保存密码",
+            CloseButtonText = "关闭",
+            DefaultButton = ContentDialogButton.Close,
+            XamlRoot = Content.XamlRoot
+        };
+        if (await dialog.ShowAsync() != ContentDialogResult.Primary || string.IsNullOrWhiteSpace(newPassword.Password)) return;
+        if (newPassword.Password.Length < 12)
+        {
+            ConnectionText.Text = "密码至少需要 12 位。";
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
+            return;
+        }
+        try
+        {
+            await api.ChangePasswordAsync(newPassword.Password);
+            ConnectionText.Text = "密码已更新。下次登录请使用新密码。";
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["AccentBrush"];
+        }
+        catch (Exception ex)
+        {
+            ConnectionText.Text = ex.Message;
+            ConnectionText.Foreground = (Microsoft.UI.Xaml.Media.Brush)Application.Current.Resources["DangerBrush"];
+        }
+    }
+
+    private async void ComposeButton_Click(object sender, RoutedEventArgs e)
+    {
+        var dialog = new ContentDialog
+        {
+            Title = "写信",
+            PrimaryButtonText = "发送",
+            CloseButtonText = "取消",
+            DefaultButton = ContentDialogButton.Primary,
+            XamlRoot = Content.XamlRoot,
+            Content = new ComposeView()
+        };
+        if (await dialog.ShowAsync() != ContentDialogResult.Primary || dialog.Content is not ComposeView compose) return;
+        if (string.IsNullOrWhiteSpace(compose.ToBox.Text) || string.IsNullOrWhiteSpace(compose.SubjectBox.Text) || string.IsNullOrWhiteSpace(compose.BodyBox.Text))
+        {
+            ConnectionText.Text = "收件人、主题和正文不能为空。";
+            return;
+        }
+
+        try
+        {
+            await api.SendMessageAsync(compose.ToBox.Text, compose.SubjectBox.Text, compose.BodyBox.Text);
+            ConnectionText.Text = "邮件已加入发送队列。";
+            if (folder == "sent") await LoadFolderAsync(folder, SearchBox.Text);
+        }
+        catch (Exception ex) { ConnectionText.Text = ex.Message; }
+    }
+}
+
+public sealed class ComposeView : StackPanel
+{
+    public TextBox ToBox { get; } = new() { PlaceholderText = "收件人，例如 [email protected]" };
+    public TextBox SubjectBox { get; } = new() { PlaceholderText = "主题" };
+    public TextBox BodyBox { get; } = new() { PlaceholderText = "正文", AcceptsReturn = true, TextWrapping = TextWrapping.Wrap, MinHeight = 180 };
+
+    public ComposeView()
+    {
+        Spacing = 10;
+        Width = 520;
+        Children.Add(ToBox);
+        Children.Add(SubjectBox);
+        Children.Add(BodyBox);
+    }
+}