fix: return correct error in GET /users/@me

Foxnouns.Backend/Controllers/UsersController.cs

@@ -20,15 +20,16 @@ public class UsersController(
 {
     [HttpGet("{userRef}")]
     [ProducesResponseType<UserRendererService.UserResponse>(statusCode: StatusCodes.Status200OK)]
-    public async Task<IActionResult> GetUserAsync(string userRef)
+    public async Task<IActionResult> GetUserAsync(string userRef, CancellationToken ct = default)
     {
-        var user = await db.ResolveUserAsync(userRef, CurrentToken);
+        var user = await db.ResolveUserAsync(userRef, CurrentToken, ct);
         return Ok(await userRendererService.RenderUserAsync(
             user,
             selfUser: CurrentUser,
             token: CurrentToken,
             renderMembers: true,
-            renderAuthMethods: true
+            renderAuthMethods: true,
+            ct: ct
         ));
     }
 
@@ -59,6 +60,11 @@ public class UsersController(
             user.Bio = req.Bio;
         }
 
+        if (req.HasProperty(nameof(req.Links)))
+        {
+            user.Links = req.Links ?? [];
+        }
+
         if (req.HasProperty(nameof(req.Avatar)))
             errors.Add(("avatar", ValidationUtils.ValidateAvatar(req.Avatar)));
 
@@ -150,5 +156,6 @@ public class UsersController(
         public string? DisplayName { get; init; }
         public string? Bio { get; init; }
         public string? Avatar { get; init; }
+        public string[]? Links { get; init; }
     }
 }

Foxnouns.Backend/Database/DatabaseQueryExtensions.cs

@@ -9,23 +9,29 @@ namespace Foxnouns.Backend.Database;
 
 public static class DatabaseQueryExtensions
 {
-    public static async Task<User> ResolveUserAsync(this DatabaseContext context, string userRef, Token? token)
+    public static async Task<User> ResolveUserAsync(this DatabaseContext context, string userRef, Token? token,
+        CancellationToken ct = default)
     {
-        if (userRef == "@me" && token != null)
-            return await context.Users.FirstAsync(u => u.Id == token.UserId);
+        if (userRef == "@me")
+        {
+            return token != null
+                ? await context.Users.FirstAsync(u => u.Id == token.UserId, ct)
+                : throw new ApiError.Unauthorized("This endpoint requires an authenticated user.",
+                    ErrorCode.AuthenticationRequired);
+        }
 
         User? user;
         if (Snowflake.TryParse(userRef, out var snowflake))
         {
             user = await context.Users
                 .Where(u => !u.Deleted)
-                .FirstOrDefaultAsync(u => u.Id == snowflake);
+                .FirstOrDefaultAsync(u => u.Id == snowflake, ct);
             if (user != null) return user;
         }
 
         user = await context.Users
             .Where(u => !u.Deleted)
-            .FirstOrDefaultAsync(u => u.Username == userRef);
+            .FirstOrDefaultAsync(u => u.Username == userRef, ct);
         if (user != null) return user;
         throw new ApiError.NotFound("No user with that ID or username found.", code: ErrorCode.UserNotFound);
     }

Foxnouns.Backend/ExpectedError.cs

@@ -23,11 +23,15 @@ public class ApiError(string message, HttpStatusCode? statusCode = null, ErrorCo
     public readonly HttpStatusCode StatusCode = statusCode ?? HttpStatusCode.InternalServerError;
     public readonly ErrorCode ErrorCode = errorCode ?? ErrorCode.InternalServerError;
 
-    public class Unauthorized(string message) : ApiError(message, statusCode: HttpStatusCode.Unauthorized,
-        errorCode: ErrorCode.AuthenticationError);
+    public class Unauthorized(string message, ErrorCode errorCode = ErrorCode.AuthenticationError) : ApiError(message,
+        statusCode: HttpStatusCode.Unauthorized,
+        errorCode: errorCode);
 
-    public class Forbidden(string message, IEnumerable<string>? scopes = null)
-        : ApiError(message, statusCode: HttpStatusCode.Forbidden)
+    public class Forbidden(
+        string message,
+        IEnumerable<string>? scopes = null,
+        ErrorCode errorCode = ErrorCode.Forbidden)
+        : ApiError(message, statusCode: HttpStatusCode.Forbidden, errorCode: errorCode)
     {
         public readonly string[] Scopes = scopes?.ToArray() ?? [];
     }
@@ -115,6 +119,8 @@ public enum ErrorCode
     Forbidden,
     BadRequest,
     AuthenticationError,
+    AuthenticationRequired,
+    MissingScopes,
     GenericApiError,
     UserNotFound,
     MemberNotFound,

Foxnouns.Backend/Middleware/AuthorizationMiddleware.cs

@@ -18,10 +18,10 @@ public class AuthorizationMiddleware : IMiddleware
 
         var token = ctx.GetToken();
         if (token == null)
-            throw new ApiError.Unauthorized("This endpoint requires an authenticated user.");
+            throw new ApiError.Unauthorized("This endpoint requires an authenticated user.", ErrorCode.AuthenticationRequired);
         if (attribute.Scopes.Length > 0 && attribute.Scopes.Except(token.Scopes.ExpandScopes()).Any())
             throw new ApiError.Forbidden("This endpoint requires ungranted scopes.",
-                attribute.Scopes.Except(token.Scopes.ExpandScopes()));
+                attribute.Scopes.Except(token.Scopes.ExpandScopes()), ErrorCode.MissingScopes);
         if (attribute.RequireAdmin && token.User.Role != UserRole.Admin)
             throw new ApiError.Forbidden("This endpoint can only be used by admins.");
         if (attribute.RequireModerator && token.User.Role != UserRole.Admin && token.User.Role != UserRole.Moderator)

Foxnouns.Backend/Services/UserRendererService.cs

@@ -12,7 +12,8 @@ public class UserRendererService(DatabaseContext db, MemberRendererService membe
     public async Task<UserResponse> RenderUserAsync(User user, User? selfUser = null,
         Token? token = null,
         bool renderMembers = true,
-        bool renderAuthMethods = false)
+        bool renderAuthMethods = false,
+        CancellationToken ct = default)
     {
         var isSelfUser = selfUser?.Id == user.Id;
         var tokenCanReadHiddenMembers = token.HasScope("member.read") && isSelfUser;
@@ -24,7 +25,7 @@ public class UserRendererService(DatabaseContext db, MemberRendererService membe
         renderAuthMethods = renderAuthMethods && tokenPrivileged;
 
         IEnumerable<Member> members =
-            renderMembers ? await db.Members.Where(m => m.UserId == user.Id).ToListAsync() : [];
+            renderMembers ? await db.Members.Where(m => m.UserId == user.Id).ToListAsync(ct) : [];
         // Unless the user is requesting their own members AND the token can read hidden members, we filter out unlisted members.
         if (!(isSelfUser && tokenCanReadHiddenMembers)) members = members.Where(m => m.Unlisted);
 
@@ -32,7 +33,7 @@ public class UserRendererService(DatabaseContext db, MemberRendererService membe
             ? await db.AuthMethods
                 .Where(a => a.UserId == user.Id)
                 .Include(a => a.FediverseApplication)
-                .ToListAsync()
+                .ToListAsync(ct)
             : [];
 
         return new UserResponse(