Refactor controller OpenAPI tags

Iceshrimp.Backend/Controllers/ActivityPubController.cs

@@ -15,6 +15,7 @@ using Newtonsoft.Json.Linq;
 namespace Iceshrimp.Backend.Controllers;
 
 [ApiController]
+[Tags("ActivityPub")]
 [UseNewtonsoftJson]
 public class ActivityPubController : Controller {
 	[HttpGet("/notes/{id}")]

Iceshrimp.Backend/Controllers/AuthController.cs

@@ -12,6 +12,7 @@ using Microsoft.EntityFrameworkCore;
 namespace Iceshrimp.Backend.Controllers;
 
 [ApiController]
+[Tags("Authentication")]
 [EnableRateLimiting("sliding")]
 [Produces("application/json")]
 [Route("/api/iceshrimp/v1/auth")]

Iceshrimp.Backend/Controllers/Mastodon/AuthController.cs

@@ -0,0 +1,21 @@
+using System.Net;
+using System.Net.Mime;
+using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Backend.Core.Database;
+using Iceshrimp.Backend.Core.Database.Tables;
+using Iceshrimp.Backend.Core.Helpers;
+using Iceshrimp.Backend.Core.Services;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.RateLimiting;
+using Microsoft.EntityFrameworkCore;
+
+namespace Iceshrimp.Backend.Controllers.Mastodon;
+
+[ApiController]
+[Tags("Mastodon")]
+[EnableRateLimiting("sliding")]
+[Produces("application/json")]
+[Route("/api/v1")]
+public class MastodonAuthController() : Controller {
+	
+}

Iceshrimp.Backend/Controllers/NodeInfoController.cs

@@ -6,6 +6,7 @@ using Microsoft.Extensions.Options;
 namespace Iceshrimp.Backend.Controllers;
 
 [ApiController]
+[Tags("Federation")]
 [Route("/nodeinfo")]
 public class NodeInfoController(IOptions<Config.InstanceSection> config) : Controller {
 	[HttpGet("2.1")]

Iceshrimp.Backend/Controllers/UserController.cs

@@ -8,6 +8,7 @@ using Microsoft.EntityFrameworkCore;
 namespace Iceshrimp.Backend.Controllers;
 
 [ApiController]
+[Tags("User")]
 [Produces("application/json")]
 [EnableRateLimiting("sliding")]
 [Route("/api/iceshrimp/v1/user/{id}")]

Iceshrimp.Backend/Controllers/WellKnownController.cs

@@ -10,6 +10,7 @@ using Microsoft.Extensions.Options;
 namespace Iceshrimp.Backend.Controllers;
 
 [ApiController]
+[Tags("Federation")]
 [Route("/.well-known")]
 public class WellKnownController(IOptions<Config.InstanceSection> config, DatabaseContext db) : Controller {
 	[HttpGet("webfinger")]

Iceshrimp.Backend/Core/Extensions/ServiceExtensions.cs

@@ -83,6 +83,7 @@ public static class ServiceExtensions {
 		//TODO: separate limiter for authenticated users, partitioned by user id
 		//TODO: ipv6 /64 subnet buckets
 		//TODO: rate limit status headers - maybe switch to https://github.com/stefanprodan/AspNetCoreRateLimit?
+		//TODO: alternatively just write our own
 		services.AddRateLimiter(options => {
 			options.AddSlidingWindowLimiter("sliding", limiterOptions => {
 				limiterOptions.PermitLimit          = 500;