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
@@ -0,0 +1,97 @@
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Text.Json;
+
+namespace WpywMail.Client;
+
+public sealed class ApiClient
+{
+    private readonly HttpClient http = new() { Timeout = TimeSpan.FromSeconds(12) };
+    private readonly JsonSerializerOptions json = new(JsonSerializerDefaults.Web);
+    private string token = "";
+
+    public string BaseUrl { get; private set; }
+
+    public ApiClient(string baseUrl = "http://127.0.0.1:8787/api")
+    {
+        BaseUrl = NormalizeBaseUrl(baseUrl);
+    }
+
+    public void SetBaseUrl(string baseUrl) => BaseUrl = NormalizeBaseUrl(baseUrl);
+
+    public async Task<LoginResponse> LoginAsync(string email, string password, CancellationToken cancellationToken = default)
+    {
+        using var response = await http.PostAsJsonAsync($"{BaseUrl}/login", new { email, password }, json, cancellationToken);
+        return await ReadOrThrow<LoginResponse>(response, cancellationToken);
+    }
+
+    public async Task<MeResponse> GetMeAsync(CancellationToken cancellationToken = default) =>
+        await SendAsync<MeResponse>(HttpMethod.Get, "/me", cancellationToken: cancellationToken);
+
+    public async Task<ConfigResponse> GetConfigAsync(CancellationToken cancellationToken = default) =>
+        await SendAsync<ConfigResponse>(HttpMethod.Get, "/config", cancellationToken: cancellationToken);
+
+    public async Task<IReadOnlyList<MailSummary>> GetMessagesAsync(string folder, string query = "", CancellationToken cancellationToken = default)
+    {
+        var url = $"/messages?folder={Uri.EscapeDataString(folder)}";
+        if (!string.IsNullOrWhiteSpace(query)) url += $"&q={Uri.EscapeDataString(query)}";
+        var result = await SendAsync<MessageListResponse>(HttpMethod.Get, url, cancellationToken: cancellationToken);
+        return result.Messages;
+    }
+
+    public async Task<MailMessage> GetMessageAsync(string id, CancellationToken cancellationToken = default)
+    {
+        var result = await SendAsync<MessageDetailResponse>(HttpMethod.Get, $"/messages/{Uri.EscapeDataString(id)}", cancellationToken: cancellationToken);
+        return result.Message;
+    }
+
+    public async Task SendMessageAsync(string to, string subject, string text, CancellationToken cancellationToken = default) =>
+        await SendAsync<object>(HttpMethod.Post, "/send", new { to, subject, text }, cancellationToken);
+
+    public async Task ChangePasswordAsync(string password, CancellationToken cancellationToken = default) =>
+        await SendAsync<object>(HttpMethod.Post, "/account/password", new { password }, cancellationToken);
+
+    public async Task LogoutAsync(CancellationToken cancellationToken = default)
+    {
+        try { await SendAsync<object>(HttpMethod.Post, "/logout", cancellationToken: cancellationToken); }
+        finally { token = ""; }
+    }
+
+    public void SetToken(string value)
+    {
+        token = value;
+        http.DefaultRequestHeaders.Authorization = string.IsNullOrWhiteSpace(token) ? null : new AuthenticationHeaderValue("Bearer", token);
+    }
+
+    private async Task<T> SendAsync<T>(HttpMethod method, string path, object? body = null, CancellationToken cancellationToken = default)
+    {
+        using var request = new HttpRequestMessage(method, $"{BaseUrl}{path}");
+        if (body is not null) request.Content = JsonContent.Create(body, options: json);
+        using var response = await http.SendAsync(request, cancellationToken);
+        return await ReadOrThrow<T>(response, cancellationToken);
+    }
+
+    private async Task<T> ReadOrThrow<T>(HttpResponseMessage response, CancellationToken cancellationToken)
+    {
+        if (response.IsSuccessStatusCode)
+        {
+            var result = await response.Content.ReadFromJsonAsync<T>(json, cancellationToken);
+            return result ?? throw new InvalidOperationException("服务端返回了空响应");
+        }
+
+        var message = await response.Content.ReadAsStringAsync(cancellationToken);
+        try
+        {
+            var error = JsonSerializer.Deserialize<Dictionary<string, string>>(message, json);
+            if (error?.TryGetValue("error", out var detail) == true) throw new InvalidOperationException(detail);
+        }
+        catch (JsonException) { }
+        throw new InvalidOperationException($"服务端返回 HTTP {(int)response.StatusCode}");
+    }
+
+    private static string NormalizeBaseUrl(string value)
+    {
+        var url = string.IsNullOrWhiteSpace(value) ? "http://127.0.0.1:8787/api" : value.Trim().TrimEnd('/');
+        return url.EndsWith("/api", StringComparison.OrdinalIgnoreCase) ? url : $"{url}/api";
+    }
+}