diff --git a/MxApiExtensions/Controllers/Extensions/JoinedRoomListController.cs b/MxApiExtensions/Controllers/Extensions/JoinedRoomListController.cs
new file mode 100644
index 0000000..3c4161d
--- /dev/null
+++ b/MxApiExtensions/Controllers/Extensions/JoinedRoomListController.cs
@@ -0,0 +1,144 @@
+using System.Collections.Concurrent;
+using System.Net.Http.Headers;
+using ArcaneLibs.Extensions;
+using LibMatrix.Homeservers;
+using LibMatrix.MxApiExtensions;
+using LibMatrix.RoomTypes;
+using LibMatrix.StateEventTypes.Spec;
+using Microsoft.AspNetCore.Mvc;
+using MxApiExtensions.Services;
+
+namespace MxApiExtensions.Controllers.Extensions;
+
+[ApiController]
+[Route("/_matrix/client/unstable/gay.rory.mxapiextensions")]
+public class JoinedRoomListController : ControllerBase {
+ private static ILogger _logger;
+ private static MxApiExtensionsConfiguration _config;
+ private readonly AuthenticationService _authenticationService;
+ private readonly AuthenticatedHomeserverProviderService _authenticatedHomeserverProviderService;
+
+ private static ConcurrentDictionary<string, RoomInfoEntry> _roomInfoCache = new();
+
+ public JoinedRoomListController(ILogger<JoinedRoomListController> logger, MxApiExtensionsConfiguration config, AuthenticationService authenticationService,
+ AuthenticatedHomeserverProviderService authenticatedHomeserverProviderService) {
+ _logger = logger;
+ _config = config;
+ _authenticationService = authenticationService;
+ _authenticatedHomeserverProviderService = authenticatedHomeserverProviderService;
+ }
+
+ [HttpGet("joined_rooms_with_info")]
+ public async IAsyncEnumerable<RoomInfoEntry> GetJoinedRooms([FromQuery] string? access_token) {
+ List<GenericRoom> rooms = new();
+ AuthenticatedHomeserverGeneric? hs = null;
+ try {
+ hs = await _authenticatedHomeserverProviderService.GetHomeserver();
+ _logger.LogInformation("Got room list with info request for {user} ({hs})", hs.UserId, hs.FullHomeServerDomain);
+ rooms = await hs.GetJoinedRooms();
+ }
+ catch (MxApiMatrixException e) {
+ _logger.LogError(e, "Matrix error");
+ Response.StatusCode = StatusCodes.Status500InternalServerError;
+ Response.ContentType = "application/json";
+
+ await Response.WriteAsJsonAsync(e.GetAsJson());
+ await Response.CompleteAsync();
+ }
+ catch (Exception e) {
+ _logger.LogError(e, "Unhandled error");
+ Response.StatusCode = StatusCodes.Status500InternalServerError;
+ Response.ContentType = "text/plain";
+
+ await Response.WriteAsJsonAsync(e.ToString());
+ await Response.CompleteAsync();
+ }
+
+ if (hs is not null) {
+ Response.ContentType = "application/json";
+ Response.Headers.Add("Cache-Control", "public, max-age=60");
+ Response.Headers.Add("Expires", DateTime.Now.AddMinutes(1).ToString("R"));
+ Response.Headers.Add("Last-Modified", DateTime.Now.ToString("R"));
+ Response.Headers.Add("X-Matrix-Server", hs.FullHomeServerDomain);
+ Response.Headers.Add("X-Matrix-User", hs.UserId);
+ // await Response.StartAsync();
+
+ var cachedRooms = _roomInfoCache
+ .Where(cr => rooms.Any(r => r.RoomId == cr.Key) && cr.Value.ExpiresAt > DateTime.Now)
+ .ToList();
+ rooms.RemoveAll(r => cachedRooms.Any(cr => cr.Key == r.RoomId));
+
+ foreach (var room in cachedRooms) {
+ yield return room.Value;
+ _logger.LogInformation("Sent cached room info for {room} for {user} ({hs})", room.Key, hs.UserId, hs.FullHomeServerDomain);
+ }
+
+ var tasks = rooms.Select(r => GetRoomInfo(hs, r.RoomId)).ToAsyncEnumerable();
+
+ await foreach (var result in tasks) {
+ yield return result;
+ _logger.LogInformation("Sent room info for {room} for {user} ({hs})", result.RoomId, hs.UserId, hs.FullHomeServerDomain);
+ }
+ }
+ }
+
+ private SemaphoreSlim _roomInfoSemaphore = new(100, 100);
+
+ private async Task<RoomInfoEntry> GetRoomInfo(AuthenticatedHomeserverGeneric hs, string roomId) {
+ _logger.LogInformation("Getting room info for {room} for {user} ({hs})", roomId, hs.UserId, hs.FullHomeServerDomain);
+ var room = await hs.GetRoom(roomId);
+ var state = room.GetFullStateAsync();
+ var result = new RoomInfoEntry {
+ RoomId = roomId,
+ RoomState = new(),
+ MemberCounts = new(),
+ StateCount = 0,
+ ExpiresAt = DateTime.Now.AddMinutes(5)
+ };
+
+ await foreach (var @event in state) {
+ // result.ExpiresAt = result.ExpiresAt.AddMilliseconds(100);
+ result.StateCount++;
+ if (@event.Type != "m.room.member") result.RoomState.Add(@event);
+ else {
+ if(!result.MemberCounts.ContainsKey((@event.TypedContent as RoomMemberEventData)?.Membership)) result.MemberCounts.Add((@event.TypedContent as RoomMemberEventData)?.Membership, 0);
+ result.MemberCounts[(@event.TypedContent as RoomMemberEventData)?.Membership]++;
+ }
+ }
+
+ result.ExpiresAt = result.ExpiresAt.AddMilliseconds(100 * result.StateCount);
+
+ _logger.LogInformation("Got room info for {room} for {user} ({hs})", roomId, hs.UserId, hs.FullHomeServerDomain);
+ while (!_roomInfoCache.TryAdd(roomId, result)) {
+ _logger.LogWarning("Failed to add room info for {room} to cache, retrying...", roomId);
+ await Task.Delay(100);
+ if (_roomInfoCache.ContainsKey(roomId)) break;
+ }
+
+ return result;
+ }
+
+ [HttpGet("joined_rooms_with_info_cache")]
+ public async Task<object> GetRoomInfoCache() {
+ var mxid = await _authenticationService.GetMxidFromToken();
+ if(!_config.Admins.Contains(mxid)) {
+ Response.StatusCode = StatusCodes.Status403Forbidden;
+ Response.ContentType = "application/json";
+
+ await Response.WriteAsJsonAsync(new {
+ ErrorCode = "M_FORBIDDEN",
+ Error = "You are not an admin"
+ });
+ await Response.CompleteAsync();
+ return null;
+ }
+
+ return _roomInfoCache.Select(x => new {
+ x.Key,
+ x.Value.ExpiresAt,
+ ExpiresIn = x.Value.ExpiresAt - DateTime.Now,
+ x.Value.MemberCounts,
+ x.Value.StateCount
+ }).OrderByDescending(x => x.ExpiresAt);
+ }
+}
diff --git a/MxApiExtensions/Controllers/Extensions/ProxyConfigurationController.cs b/MxApiExtensions/Controllers/Extensions/ProxyConfigurationController.cs
new file mode 100644
index 0000000..71bf167
--- /dev/null
+++ b/MxApiExtensions/Controllers/Extensions/ProxyConfigurationController.cs
@@ -0,0 +1,43 @@
+using System.Collections.Concurrent;
+using LibMatrix.MxApiExtensions;
+using Microsoft.AspNetCore.Mvc;
+using MxApiExtensions.Services;
+
+namespace MxApiExtensions.Controllers.Extensions;
+
+[ApiController]
+[Route("/_matrix/client/unstable/gay.rory.mxapiextensions")]
+public class ProxyConfigurationController : ControllerBase {
+ private readonly ILogger _logger;
+ private readonly MxApiExtensionsConfiguration _config;
+ private readonly AuthenticationService _authenticationService;
+
+ private static ConcurrentDictionary<string, RoomInfoEntry> _roomInfoCache = new();
+
+ public ProxyConfigurationController(ILogger<ProxyConfigurationController> logger, MxApiExtensionsConfiguration config, AuthenticationService authenticationService,
+ AuthenticatedHomeserverProviderService authenticatedHomeserverProviderService) {
+ _logger = logger;
+ _config = config;
+ _authenticationService = authenticationService;
+ }
+
+ [HttpGet("proxy_config")]
+ public async Task<MxApiExtensionsConfiguration> GetConfig() {
+ var mxid = await _authenticationService.GetMxidFromToken();
+ if(!_config.Admins.Contains(mxid)) {
+ _logger.LogWarning("Got proxy config request for {user}, but they are not an admin", mxid);
+ Response.StatusCode = StatusCodes.Status403Forbidden;
+ Response.ContentType = "application/json";
+
+ await Response.WriteAsJsonAsync(new {
+ ErrorCode = "M_FORBIDDEN",
+ Error = "You are not an admin"
+ });
+ await Response.CompleteAsync();
+ return null;
+ }
+
+ _logger.LogInformation("Got proxy config request for {user}", mxid);
+ return _config;
+ }
+}
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