v2.6.0-beta2

src/Jiaowu.Api/Controllers/AccountSecurityController.cs

@@ -0,0 +1,84 @@
+using System.ComponentModel.DataAnnotations;
+using System.Security.Claims;
+using Jiaowu.Api.Domain.Identity;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jiaowu.Api.Controllers;
+
+[ApiController]
+[Authorize]
+[Route("api/auth/security")]
+public sealed class AccountSecurityController(UserManager<ApplicationUser> userManager) : ControllerBase
+{
+    [HttpGet("totp")]
+    public async Task<ActionResult> GetTotpStatus()
+    {
+        var user = await CurrentUserAsync();
+        return user is null ? Unauthorized() : Ok(new { enabled = user.TwoFactorEnabled });
+    }
+
+    [HttpPost("totp/setup")]
+    public async Task<ActionResult<TotpSetupResponse>> SetupTotp(PasswordConfirmationRequest request)
+    {
+        var user = await CurrentUserAsync();
+        if (user is null) return Unauthorized();
+        if (!await userManager.CheckPasswordAsync(user, request.CurrentPassword))
+            return Unauthorized(PasswordProblem());
+
+        await userManager.ResetAuthenticatorKeyAsync(user);
+        var key = await userManager.GetAuthenticatorKeyAsync(user);
+        if (string.IsNullOrWhiteSpace(key)) return Problem("无法创建验证器密钥。");
+        var issuer = "明序教务";
+        var account = Uri.EscapeDataString(user.UserName ?? user.Id.ToString("D"));
+        var label = Uri.EscapeDataString($"{issuer}:{user.UserName}");
+        var uri = $"otpauth://totp/{label}?secret={key}&issuer={Uri.EscapeDataString(issuer)}&digits=6";
+        return Ok(new TotpSetupResponse(key, uri));
+    }
+
+    [HttpPost("totp/enable")]
+    public async Task<ActionResult<RecoveryCodesResponse>> EnableTotp(TotpEnableRequest request)
+    {
+        var user = await CurrentUserAsync();
+        if (user is null) return Unauthorized();
+        if (!await userManager.VerifyTwoFactorTokenAsync(user,
+                TokenOptions.DefaultAuthenticatorProvider, request.Code.Replace(" ", string.Empty)))
+        {
+            ModelState.AddModelError("code", "验证码不正确或已过期。");
+            return ValidationProblem(ModelState);
+        }
+
+        await userManager.SetTwoFactorEnabledAsync(user, true);
+        var codes = await userManager.GenerateNewTwoFactorRecoveryCodesAsync(user, 10);
+        return Ok(new RecoveryCodesResponse((codes ?? []).ToArray()));
+    }
+
+    [HttpPost("totp/disable")]
+    public async Task<IActionResult> DisableTotp(PasswordConfirmationRequest request)
+    {
+        var user = await CurrentUserAsync();
+        if (user is null) return Unauthorized();
+        if (!await userManager.CheckPasswordAsync(user, request.CurrentPassword))
+            return Unauthorized(PasswordProblem());
+        await userManager.SetTwoFactorEnabledAsync(user, false);
+        await userManager.ResetAuthenticatorKeyAsync(user);
+        return NoContent();
+    }
+
+    private async Task<ApplicationUser?> CurrentUserAsync()
+    {
+        var id = User.FindFirstValue(ClaimTypes.NameIdentifier);
+        return id is null ? null : await userManager.FindByIdAsync(id);
+    }
+
+    private static ProblemDetails PasswordProblem() => new()
+    {
+        Title = "验证失败", Detail = "当前密码不正确。", Status = StatusCodes.Status401Unauthorized,
+    };
+}
+
+public sealed record PasswordConfirmationRequest([Required, MaxLength(100)] string CurrentPassword);
+public sealed record TotpEnableRequest([Required, MinLength(6), MaxLength(12)] string Code);
+public sealed record TotpSetupResponse(string Secret, string OtpauthUri);
+public sealed record RecoveryCodesResponse(string[] RecoveryCodes);

src/Jiaowu.Api/Controllers/AuthController.cs

@@ -19,6 +19,7 @@ public sealed class AuthController(
     AppDbContext db,
     UserManager<ApplicationUser> userManager,
     IAuthSessionService authSessionService,
+    ITwoFactorLoginTicketService twoFactorTickets,
     IAppCache cache) : ControllerBase
 {
     [AllowAnonymous]
@@ -137,7 +138,7 @@ public sealed class AuthController(
     [AllowAnonymous]
     [EnableRateLimiting("public-auth")]
     [HttpPost("login")]
-    public async Task<ActionResult<LoginResponse>> Login(
+    public async Task<ActionResult> Login(
         LoginRequest request,
         CancellationToken cancellationToken)
     {
@@ -164,6 +165,11 @@ public sealed class AuthController(
             });
         }
 
+        if (user.TwoFactorEnabled)
+        {
+            return Ok(new TwoFactorRequiredResponse(twoFactorTickets.Create(user.Id, request.IsNativeApp)));
+        }
+
         await userManager.ResetAccessFailedCountAsync(user);
         user.LastLoginAt = DateTime.UtcNow;
         await userManager.UpdateAsync(user);
@@ -176,6 +182,36 @@ public sealed class AuthController(
                 ? AuthenticationClientType.App
                 : AuthenticationClientType.Web,
             cancellationToken);
+        return Ok(CreateLoginResponse(session));
+    }
+
+    [AllowAnonymous]
+    [EnableRateLimiting("public-auth")]
+    [HttpPost("login/totp")]
+    public async Task<ActionResult<LoginResponse>> CompleteTotpLogin(
+        TotpLoginRequest request,
+        CancellationToken cancellationToken)
+    {
+        if (!twoFactorTickets.TryRead(request.TwoFactorTicket, out var userId, out var isNativeApp))
+            return Unauthorized(LoginProblem());
+        var user = await userManager.FindByIdAsync(userId.ToString("D"));
+        var code = request.Code.Replace(" ", string.Empty);
+        var isValid = user is not null && (await userManager.VerifyTwoFactorTokenAsync(
+            user, TokenOptions.DefaultAuthenticatorProvider, code) ||
+            (await userManager.RedeemTwoFactorRecoveryCodeAsync(user, code)).Succeeded);
+        if (user is null || !user.IsEnabled || await userManager.IsLockedOutAsync(user) || !isValid)
+        {
+            if (user is not null) await userManager.AccessFailedAsync(user);
+            return Unauthorized(LoginProblem());
+        }
+
+        await userManager.ResetAccessFailedCountAsync(user);
+        user.LastLoginAt = DateTime.UtcNow;
+        await userManager.UpdateAsync(user);
+        var roles = await userManager.GetRolesAsync(user);
+        var session = await authSessionService.CreateAsync(user, roles,
+            isNativeApp ? AuthenticationClientType.App : AuthenticationClientType.Web,
+            cancellationToken);
         return CreateLoginResponse(session);
     }
 
@@ -248,6 +284,12 @@ public sealed class AuthController(
             Status = status
         });
 
+    private static ProblemDetails LoginProblem() => new()
+    {
+        Title = "登录失败", Detail = "验证码无效、已过期或账号已停用。",
+        Status = StatusCodes.Status401Unauthorized
+    };
+
     internal static LoginResponse CreateLoginResponse(AuthSessionResult session) =>
         new(
             session.AccessToken,
@@ -268,6 +310,15 @@ public sealed record LoginRequest(
     [Required, MaxLength(100)] string Password,
     bool IsNativeApp = false);
 
+public sealed record TotpLoginRequest(
+    [Required, MinLength(20), MaxLength(2048)] string TwoFactorTicket,
+    [Required, MinLength(6), MaxLength(12)] string Code);
+
+public sealed record TwoFactorRequiredResponse(string TwoFactorTicket)
+{
+    public bool RequiresTotp => true;
+}
+
 public sealed record RefreshTokenRequest(
     [Required, MinLength(40), MaxLength(200)] string RefreshToken);
 

src/Jiaowu.Api/Controllers/SsoController.cs

@@ -27,6 +27,7 @@ public sealed class SsoController(
 {
     private const string BindingIntentProperty = "sso-binding-intent";
     private const string NativeAppProperty = "sso-native-app";
+    private const string NativeAppStateProperty = "sso-native-app-state";
     private readonly SsoOptions _options = options.Value;
 
     [AllowAnonymous]
@@ -44,6 +45,7 @@ public sealed class SsoController(
         [FromQuery] string? returnUrl = null,
         [FromQuery] string? bindingIntent = null,
         [FromQuery] bool nativeApp = false,
+        [FromQuery] string? nativeState = null,
         CancellationToken cancellationToken = default)
     {
         if (!_options.Enabled)
@@ -52,7 +54,12 @@ public sealed class SsoController(
         var safeReturnUrl = NormalizeReturnUrl(returnUrl);
         var properties = new AuthenticationProperties();
         if (nativeApp)
+        {
+            if (!IsValidNativeState(nativeState))
+                return SsoProblem("原生应用登录校验已失效，请返回应用重新发起登录。", StatusCodes.Status400BadRequest);
             properties.Items[NativeAppProperty] = bool.TrueString;
+            properties.Items[NativeAppStateProperty] = nativeState!;
+        }
         if (!string.IsNullOrWhiteSpace(bindingIntent))
         {
             var targetUserId = await cache.GetStringAsync(
@@ -116,6 +123,10 @@ public sealed class SsoController(
                         externalProperties.Items.TryGetValue(NativeAppProperty, out var nativeAppValue) &&
                         bool.TryParse(nativeAppValue, out var isNativeApp) &&
                         isNativeApp;
+        var nativeState = authentication.Properties is { } nativeProperties &&
+                          nativeProperties.Items.TryGetValue(NativeAppStateProperty, out var storedNativeState)
+            ? storedNativeState
+            : null;
         if (!string.IsNullOrWhiteSpace(bindingIntent))
         {
             var targetUserId = await cache.GetStringAsync(
@@ -165,7 +176,7 @@ public sealed class SsoController(
                 subject;
             await cache.SetStringAsync(
                 BindingCacheKey(bindingCode),
-                JsonSerializer.Serialize(new SsoBindingTicket(subject, externalUserName)),
+                JsonSerializer.Serialize(new SsoBindingTicket(subject, externalUserName, nativeState)),
                 new DistributedCacheEntryOptions
                 {
                     AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(5)
@@ -190,7 +201,7 @@ public sealed class SsoController(
             RandomNumberGenerator.GetBytes(32));
         await cache.SetStringAsync(
             ExchangeCacheKey(exchangeCode),
-            user.Id.ToString("D"),
+            JsonSerializer.Serialize(new SsoExchangeTicket(user.Id, nativeState)),
             new DistributedCacheEntryOptions
             {
                 AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(2)
@@ -215,14 +226,25 @@ public sealed class SsoController(
             return SsoProblem("统一身份认证尚未启用。", StatusCodes.Status404NotFound);
 
         var cacheKey = ExchangeCacheKey(request.Code);
-        var userId = await cache.GetStringAsync(cacheKey, cancellationToken);
-        if (userId is null)
+        var ticketJson = await cache.GetStringAsync(cacheKey, cancellationToken);
+        SsoExchangeTicket? ticket;
+        try
+        {
+            ticket = ticketJson is null
+                ? null
+                : JsonSerializer.Deserialize<SsoExchangeTicket>(ticketJson);
+        }
+        catch (JsonException)
+        {
+            ticket = null;
+        }
+        if (ticket is null || !NativeStateMatches(ticket.NativeState, request.NativeState))
             return SsoProblem(
                 "统一身份认证结果已失效，请重新登录。",
                 StatusCodes.Status401Unauthorized);
 
         await cache.RemoveAsync(cacheKey, cancellationToken);
-        var user = await userManager.FindByIdAsync(userId);
+        var user = await userManager.FindByIdAsync(ticket.UserId.ToString("D"));
         if (user is null || !user.IsEnabled || await userManager.IsLockedOutAsync(user))
             return SsoProblem(
                 "本地账号不存在、已停用或已锁定。",
@@ -269,7 +291,7 @@ public sealed class SsoController(
             return SsoProblem("统一身份认证尚未启用。", StatusCodes.Status404NotFound);
 
         var ticket = await ReadBindingTicketAsync(request.Code, cancellationToken);
-        if (ticket is null)
+        if (ticket is null || !NativeStateMatches(ticket.NativeState, request.NativeState))
             return SsoProblem(
                 "账户绑定请求已失效，请重新使用统一身份认证登录。",
                 StatusCodes.Status401Unauthorized);
@@ -353,7 +375,8 @@ public sealed class SsoController(
     [HttpPost("prepare-binding")]
     public async Task<ActionResult<SsoBindingStartResponse>> PrepareBinding(
         CancellationToken cancellationToken,
-        [FromQuery] bool nativeApp = false)
+        [FromQuery] bool nativeApp = false,
+        [FromQuery] string? nativeState = null)
     {
         if (!_options.Enabled)
             return SsoProblem("统一身份认证尚未启用。", StatusCodes.Status404NotFound);
@@ -383,7 +406,8 @@ public sealed class SsoController(
             {
                 returnUrl = "/account",
                 bindingIntent = intentCode,
-                nativeApp
+                nativeApp,
+                nativeState
             })!;
         return new SsoBindingStartResponse(loginUrl);
     }
@@ -427,20 +451,26 @@ public sealed class SsoController(
             ? returnUrl
             : "/dashboard";
 
-    private string BuildFrontendUrl(string path, bool requireAbsoluteUrl = false)
+    private string BuildFrontendUrl(string path, bool nativeApp = false)
     {
-        if (requireAbsoluteUrl && string.IsNullOrWhiteSpace(_options.FrontendBaseUrl))
-        {
-            throw new InvalidOperationException(
-                "原生单点登录需要配置 Sso:FrontendBaseUrl 为已验证的 HTTPS 地址。");
-        }
-
-        return
-        string.IsNullOrWhiteSpace(_options.FrontendBaseUrl)
+        if (nativeApp)
+            return "mingxu://open" + path;
+        return string.IsNullOrWhiteSpace(_options.FrontendBaseUrl)
             ? path
             : _options.FrontendBaseUrl.TrimEnd('/') + path;
     }
 
+    private static bool IsValidNativeState(string? value) =>
+        !string.IsNullOrWhiteSpace(value) && value.Length is >= 32 and <= 200;
+
+    private static bool NativeStateMatches(string? expected, string? actual) =>
+        expected is null
+            ? string.IsNullOrWhiteSpace(actual)
+            : IsValidNativeState(actual) &&
+              CryptographicOperations.FixedTimeEquals(
+                  System.Text.Encoding.UTF8.GetBytes(expected),
+                  System.Text.Encoding.UTF8.GetBytes(actual!));
+
     private RedirectResult RedirectToFrontendError(
         string error,
         string path = "/login") =>
@@ -543,7 +573,8 @@ public sealed record SsoSettingsResponse(
 
 public sealed record SsoExchangeRequest(
     [Required, MinLength(20), MaxLength(200)] string Code,
-    bool IsNativeApp = false);
+    bool IsNativeApp = false,
+    string? NativeState = null);
 
 public sealed record SsoBindingInfoResponse(
     string ProviderDisplayName,
@@ -553,9 +584,14 @@ public sealed record SsoBindRequest(
     [Required, MinLength(20), MaxLength(200)] string Code,
     [Required, MaxLength(100)] string UserName,
     [Required, MaxLength(100)] string Password,
-    bool IsNativeApp = false);
+    bool IsNativeApp = false,
+    string? NativeState = null);
 
-internal sealed record SsoBindingTicket(string Subject, string ExternalUserName);
+internal sealed record SsoBindingTicket(
+    string Subject,
+    string ExternalUserName,
+    string? NativeState = null);
+internal sealed record SsoExchangeTicket(Guid UserId, string? NativeState);
 
 public sealed record SsoAccountResponse(
     bool Enabled,