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-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/AuthController.cs69
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/DirectoryController.cs34
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/HEDebug/HEDebugController.cs18
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs103
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/LegacyController.cs56
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Media/MediaController.cs99
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomAccountDataController.cs78
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomMembersController.cs79
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomStateController.cs113
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomTimelineController.cs432
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs139
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/SyncController.cs272
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/ThirdParty/ThirdPartyController.cs25
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/AccountDataController.cs68
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/FilterController.cs46
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/ProfileController.cs52
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/UserController.cs80
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs96
-rw-r--r--Utilities/LibMatrix.HomeserverEmulator/Controllers/WellKnownController.cs32
19 files changed, 1891 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/AuthController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/AuthController.cs
new file mode 100644
index 0000000..66548e2
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/AuthController.cs
@@ -0,0 +1,69 @@
+using System.Text.Json.Nodes;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class AuthController(ILogger<AuthController> logger, UserStore userStore, TokenService tokenService) : ControllerBase {
+    [HttpPost("login")]
+    public async Task<LoginResponse> Login(LoginRequest request) {
+        if (!request.Identifier.User.StartsWith('@'))
+            request.Identifier.User = $"@{request.Identifier.User}:{tokenService.GenerateServerName(HttpContext)}";
+        if (request.Identifier.User.EndsWith("localhost"))
+            request.Identifier.User = request.Identifier.User.Replace("localhost", tokenService.GenerateServerName(HttpContext));
+
+        var user = await userStore.GetUserById(request.Identifier.User);
+        if (user is null) {
+            user = await userStore.CreateUser(request.Identifier.User);
+        }
+
+        return user.Login();
+    }
+
+    [HttpGet("login")]
+    public async Task<LoginFlowsResponse> GetLoginFlows() {
+        return new LoginFlowsResponse {
+            Flows = ((string[]) [
+                "m.login.password",
+                "m.login.recaptcha",
+                "m.login.sso",
+                "m.login.email.identity",
+                "m.login.msisdn",
+                "m.login.dummy",
+                "m.login.registration_token",
+            ]).Select(x => new LoginFlowsResponse.LoginFlow { Type = x }).ToList()
+        };
+    }
+
+    [HttpPost("logout")]
+    public async Task<object> Logout() {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        if (!user.AccessTokens.ContainsKey(token))
+            throw new MatrixException() {
+                ErrorCode = MatrixException.ErrorCodes.M_NOT_FOUND,
+                Error = "Token not found"
+            };
+
+        user.AccessTokens.Remove(token);
+        return new { };
+    }
+}
+
+public class LoginFlowsResponse {
+    public required List<LoginFlow> Flows { get; set; }
+
+    public class LoginFlow {
+        public required string Type { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/DirectoryController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/DirectoryController.cs
new file mode 100644
index 0000000..52d5932
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/DirectoryController.cs
@@ -0,0 +1,34 @@
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Homeservers;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/")]
+public class DirectoryController(ILogger<DirectoryController> logger, RoomStore roomStore) : ControllerBase {
+    [HttpGet("client/v3/directory/room/{alias}")]
+    public async Task<AliasResult> GetRoomAliasV3(string alias) {
+        var match = roomStore._rooms.FirstOrDefault(x =>
+            x.State.Any(y => y.Type == RoomCanonicalAliasEventContent.EventId && y.StateKey == "" && y.RawContent?["alias"]?.ToString() == alias));
+
+        if (match == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        var servers = match.State.Where(x => x.Type == RoomMemberEventContent.EventId && x.RawContent?["membership"]?.ToString() == "join")
+            .Select(x => x.StateKey!.Split(':', 2)[1]).ToList();
+
+        return new() {
+            RoomId = match.RoomId,
+            Servers = servers
+        };
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/HEDebug/HEDebugController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/HEDebug/HEDebugController.cs
new file mode 100644
index 0000000..9e0c17c
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/HEDebug/HEDebugController.cs
@@ -0,0 +1,18 @@
+using LibMatrix.HomeserverEmulator.Services;

+using Microsoft.AspNetCore.Mvc;

+

+namespace LibMatrix.HomeserverEmulator.Controllers;

+

+[ApiController]

+[Route("/_hsEmulator")]

+public class HEDebugController(ILogger<HEDebugController> logger, UserStore userStore, RoomStore roomStore) : ControllerBase {

+    [HttpGet("users")]

+    public async Task<List<UserStore.User>> GetUsers() {

+        return userStore._users.ToList();

+    }

+    

+    [HttpGet("rooms")]

+    public async Task<List<RoomStore.Room>> GetRooms() {

+        return roomStore._rooms.ToList();

+    }

+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs
new file mode 100644
index 0000000..7898a8c
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs
@@ -0,0 +1,103 @@
+// using System.Security.Cryptography;
+// using System.Text.Json.Nodes;
+// using System.Text.Json.Serialization;
+// using LibMatrix.HomeserverEmulator.Services;
+// using LibMatrix.Responses;
+// using LibMatrix.Services;
+// using Microsoft.AspNetCore.Mvc;
+//
+// namespace LibMatrix.HomeserverEmulator.Controllers;
+//
+// [ApiController]
+// [Route("/_matrix/client/{version}/")]
+// public class KeysController(ILogger<KeysController> logger, TokenService tokenService, UserStore userStore) : ControllerBase {
+//     [HttpGet("room_keys/version")]
+//     public async Task<RoomKeysResponse> GetRoomKeys() {
+//         var token = tokenService.GetAccessToken(HttpContext);
+//         if (token == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_MISSING_TOKEN",
+//                 Error = "Missing token"
+//             };
+//
+//         var user = await userStore.GetUserByToken(token);
+//         if (user == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_UNKNOWN_TOKEN",
+//                 Error = "No such user"
+//             };
+//
+//         if (user.RoomKeys is not { Count: > 0 })
+//             throw new MatrixException() {
+//                 ErrorCode = "M_NOT_FOUND",
+//                 Error = "No keys found"
+//             };
+//
+//         return user.RoomKeys.Values.Last();
+//     }
+//
+//     [HttpPost("room_keys/version")]
+//     public async Task<RoomKeysResponse> UploadRoomKeys(RoomKeysRequest request) {
+//         var token = tokenService.GetAccessToken(HttpContext);
+//         if (token == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_MISSING_TOKEN",
+//                 Error = "Missing token"
+//             };
+//
+//         var user = await userStore.GetUserByToken(token);
+//         if (user == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_UNKNOWN_TOKEN",
+//                 Error = "No such user"
+//             };
+//
+//         var roomKeys = new RoomKeysResponse {
+//             Version = Guid.NewGuid().ToString(),
+//             Etag = Guid.NewGuid().ToString(),
+//             Algorithm = request.Algorithm,
+//             AuthData = request.AuthData
+//         };
+//         user.RoomKeys.Add(roomKeys.Version, roomKeys);
+//         return roomKeys;
+//     }
+//     
+//     [HttpPost("keys/device_signing/upload")]
+//     public async Task<object> UploadDeviceSigning(JsonObject request) {
+//         var token = tokenService.GetAccessToken(HttpContext);
+//         if (token == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_MISSING_TOKEN",
+//                 Error = "Missing token"
+//             };
+//
+//         var user = await userStore.GetUserByToken(token);
+//         if (user == null)
+//             throw new MatrixException() {
+//                 ErrorCode = "M_UNKNOWN_TOKEN",
+//                 Error = "No such user"
+//             };
+//
+//         return new { };
+//     }
+// }
+//
+// public class DeviceSigningRequest {
+//     public CrossSigningKey? MasterKey { get; set; }
+//     public CrossSigningKey? SelfSigningKey { get; set; }
+//     public CrossSigningKey? UserSigningKey { get; set; }
+//     
+//     public class CrossSigningKey {
+//         [JsonPropertyName("keys")]
+//         public Dictionary<string, string> Keys { get; set; }
+//         
+//         [JsonPropertyName("signatures")]
+//         public Dictionary<string, Dictionary<string, string>> Signatures { get; set; }
+//         
+//         [JsonPropertyName("usage")]
+//         public List<string> Usage { get; set; }
+//         
+//         [JsonPropertyName("user_id")]
+//         public string UserId { get; set; }
+//     }
+// }
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/LegacyController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/LegacyController.cs
new file mode 100644
index 0000000..1fb427e
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/LegacyController.cs
@@ -0,0 +1,56 @@
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Cryptography;
+using System.Text.Json.Nodes;
+using ArcaneLibs.Extensions;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class LegacyController(ILogger<LegacyController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    [HttpGet("rooms/{roomId}/initialSync")]
+    [SuppressMessage("ReSharper.DPA", "DPA0011: High execution time of MVC action", Justification = "Endpoint is expected to wait until data is available or timeout.")]
+    public async Task<object> Sync([FromRoute] string roomId, [FromQuery] int limit = 20) {
+        var sw = Stopwatch.StartNew();
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+        var room = roomStore.GetRoomById(roomId);
+        if (room is null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found."
+            };
+        var accountData = room.AccountData.GetOrCreate(user.UserId, _ => []);
+        var membership = room.State.FirstOrDefault(x => x.Type == "m.room.member" && x.StateKey == user.UserId);
+        var timelineChunk = room.Timeline.TakeLast(limit).ToList();
+        return new {
+            account_data = accountData,
+            membership = (membership?.TypedContent as RoomMemberEventContent)?.Membership ?? "leave",
+            room_id = room.RoomId,
+            state = room.State.ToList(),
+            visibility = "public",
+            messages = new PaginatedChunkedStateEventResponse() {
+                Chunk = timelineChunk,
+                End = timelineChunk.Last().EventId,
+                Start = timelineChunk.Count >= limit ? timelineChunk.First().EventId : null
+            }
+        };
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Media/MediaController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Media/MediaController.cs
new file mode 100644
index 0000000..7899ada
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Media/MediaController.cs
@@ -0,0 +1,99 @@
+using System.Text.Json.Nodes;
+using System.Text.RegularExpressions;
+using ArcaneLibs.Collections;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Media;
+
+[ApiController]
+[Route("/_matrix/media/{version}/")]
+public class MediaController(
+    ILogger<MediaController> logger,
+    TokenService tokenService,
+    UserStore userStore,
+    HSEConfiguration cfg,
+    HomeserverResolverService hsResolver,
+    MediaStore mediaStore)
+    : ControllerBase {
+    [HttpPost("upload")]
+    public async Task<object> UploadMedia([FromHeader(Name = "Content-Type")] string ContentType, [FromQuery] string filename, [FromBody] Stream file) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var mediaId = Guid.NewGuid().ToString();
+        var media = new {
+            content_uri = $"mxc://{tokenService.GenerateServerName(HttpContext)}/{mediaId}"
+        };
+        return media;
+    }
+
+    [HttpGet("download/{serverName}/{mediaId}")]
+    public async Task DownloadMedia(string serverName, string mediaId) {
+        var stream = await DownloadRemoteMedia(serverName, mediaId);
+        await stream.CopyToAsync(Response.Body);
+    }
+
+    [HttpGet("thumbnail/{serverName}/{mediaId}")]
+    public async Task DownloadThumbnail(string serverName, string mediaId) {
+        await DownloadMedia(serverName, mediaId);
+    }
+
+    [HttpGet("preview_url")]
+    public async Task<JsonObject> GetPreviewUrl([FromQuery] string url) {
+        JsonObject data = new();
+
+        using var hc = new HttpClient();
+        using var response = await hc.GetAsync(url);
+        var doc = await response.Content.ReadAsStringAsync();
+        var match = Regex.Match(doc, "<meta property=\"(.*?)\" content=\"(.*?)\"");
+
+        while (match.Success) {
+            data[match.Groups[1].Value] = match.Groups[2].Value;
+            match = match.NextMatch();
+        }
+
+        return data;
+    }
+
+    private async Task<Stream> DownloadRemoteMedia(string serverName, string mediaId) {
+        if (cfg.StoreData) {
+            var path = Path.Combine(cfg.DataStoragePath, "media", serverName, mediaId);
+            if (!System.IO.File.Exists(path)) {
+                var mediaUrl = await hsResolver.ResolveMediaUri(serverName, $"mxc://{serverName}/{mediaId}");
+                if (mediaUrl is null)
+                    throw new MatrixException() {
+                        ErrorCode = "M_NOT_FOUND",
+                        Error = "Media not found"
+                    };
+                using var client = new HttpClient();
+                var stream = await client.GetStreamAsync(mediaUrl);
+                await using var fs = System.IO.File.Create(path);
+                await stream.CopyToAsync(fs);
+            }
+            return new FileStream(path, FileMode.Open);
+        }
+        else {
+            var mediaUrl = await hsResolver.ResolveMediaUri(serverName, $"mxc://{serverName}/{mediaId}");
+            if (mediaUrl is null)
+                throw new MatrixException() {
+                    ErrorCode = "M_NOT_FOUND",
+                    Error = "Media not found"
+                };
+            using var client = new HttpClient();
+            return await client.GetStreamAsync(mediaUrl);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomAccountDataController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomAccountDataController.cs
new file mode 100644
index 0000000..bac803f
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomAccountDataController.cs
@@ -0,0 +1,78 @@
+using System.Text.Json.Serialization;
+using LibMatrix.HomeserverEmulator.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/rooms/{roomId}")]
+public class RoomAccountDataController(ILogger<RoomAccountDataController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    [HttpPost("read_markers")]
+    public async Task<object> SetReadMarkers(string roomId, [FromBody] ReadMarkersData data) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        if (!room.ReadMarkers.ContainsKey(user.UserId))
+            room.ReadMarkers[user.UserId] = new();
+
+        if (data.FullyRead != null)
+            room.ReadMarkers[user.UserId].FullyRead = data.FullyRead;
+        if (data.Read != null)
+            room.ReadMarkers[user.UserId].Read = data.Read;
+        if (data.ReadPrivate != null)
+            room.ReadMarkers[user.UserId].ReadPrivate = data.ReadPrivate;
+
+        if (!room.AccountData.ContainsKey(user.UserId))
+            room.AccountData[user.UserId] = new();
+
+        room.AccountData[user.UserId].Add(new StateEventResponse() {
+            Type = "m.fully_read",
+            StateKey = user.UserId,
+            RawContent = new() {
+                ["event_id"] = data.FullyRead
+            }
+        });
+
+        room.AccountData[user.UserId].Add(new StateEventResponse() {
+            Type = "m.read",
+            StateKey = user.UserId,
+            RawContent = new() {
+                ["event_id"] = data.Read
+            }
+        });
+
+        room.AccountData[user.UserId].Add(new StateEventResponse() {
+            Type = "m.read.private",
+            StateKey = user.UserId,
+            RawContent = new() {
+                ["event_id"] = data.ReadPrivate
+            }
+        });
+
+        return data;
+    }
+}
+
+public class ReadMarkersData {
+    [JsonPropertyName("m.fully_read")]
+    public string? FullyRead { get; set; }
+
+    [JsonPropertyName("m.read")]
+    public string? Read { get; set; }
+
+    [JsonPropertyName("m.read.private")]
+    public string? ReadPrivate { get; set; }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomMembersController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomMembersController.cs
new file mode 100644
index 0000000..7d735f7
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomMembersController.cs
@@ -0,0 +1,79 @@
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.HomeserverEmulator.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/rooms/{roomId}/")]
+public class RoomMembersController(
+    ILogger<RoomMembersController> logger,
+    TokenService tokenService,
+    UserStore userStore,
+    RoomStore roomStore,
+    PaginationTokenResolverService paginationTokenResolver) : ControllerBase {
+    [HttpGet("members")]
+    public async Task<List<StateEventResponse>> GetMembers(string roomId, string? at = null, string? membership = null, string? not_membership = null) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        var members = room.Timeline.Where(x => x.Type == "m.room.member" && x.StateKey != null).ToList();
+
+        if (membership != null)
+            members = members.Where(x => (x.TypedContent as RoomMemberEventContent)?.Membership == membership).ToList();
+
+        if (not_membership != null)
+            members = members.Where(x => (x.TypedContent as RoomMemberEventContent)?.Membership != not_membership).ToList();
+
+        if (at != null) {
+            StateEventResponse? evt = null;
+            if (at.StartsWith('$'))
+                evt = await paginationTokenResolver.ResolveTokenToEvent(at, room);
+
+            if (evt is null) {
+                var time = await paginationTokenResolver.ResolveTokenToTimestamp(at);
+                evt = room.Timeline.LastOrDefault(x => x.OriginServerTs <= time);
+                if (evt is null) {
+                    logger.LogWarning("Sent empty list of members for room {roomId} at {at}, because there were no events at this time!", roomId, at);
+                    return [];
+                }
+            }
+            else if (!room.Timeline.Contains(evt)) {
+                evt = room.Timeline.LastOrDefault(x => x.OriginServerTs <= evt.OriginServerTs);
+                if (evt is null) {
+                    logger.LogWarning("Sent empty list of members for room {roomId} at {at}, because there were no events at this time!", roomId, at);
+                    return [];
+                }
+            }
+
+            // evt = room.Timeline.FirstOrDefault(x => x.EventId == at);
+            if (evt == null)
+                throw new MatrixException() {
+                    ErrorCode = "M_NOT_FOUND",
+                    Error = "Event not found"
+                };
+
+            members = members.Where(x => x.OriginServerTs <= evt.OriginServerTs).ToList();
+        }
+
+        return members;
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomStateController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomStateController.cs
new file mode 100644
index 0000000..74c70a3
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomStateController.cs
@@ -0,0 +1,113 @@
+using System.Collections.Frozen;
+using System.Text.Json.Nodes;
+using LibMatrix.HomeserverEmulator.Extensions;
+using LibMatrix.HomeserverEmulator.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/rooms/{roomId}/state")]
+public class RoomStateController(ILogger<RoomStateController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    [HttpGet("")]
+    public async Task<FrozenSet<StateEventResponse>> GetState(string roomId) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        return room.State;
+    }
+
+    [HttpGet("{eventType}")]
+    public async Task<object?> GetState(string roomId, string eventType, [FromQuery] string format = "client") {
+        return await GetState(roomId, eventType, "", format);
+    }
+
+    [HttpGet("{eventType}/{stateKey}")]
+    public async Task<object?> GetState(string roomId, string eventType, string stateKey, [FromQuery] string format = "client") {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        var stateEvent = room.State.FirstOrDefault(x => x.Type == eventType && x.StateKey == stateKey);
+        if (stateEvent == null) {
+            Console.WriteLine($"Event not found in room {roomId} matching {eventType}/{stateKey}");
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+        }
+
+        // return stateEvent;
+        return format == "event" ? stateEvent : stateEvent.RawContent;
+    }
+
+    [HttpPut("{eventType}")]
+    public async Task<EventIdResponse> SetState(string roomId, string eventType, [FromBody] JsonObject? request) {
+        return await SetState(roomId, eventType, "", request);
+    }
+
+    [HttpPut("{eventType}/{stateKey}")]
+    public async Task<EventIdResponse> SetState(string roomId, string eventType, string stateKey, [FromBody] JsonObject? request) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+        var evt = room.SetStateInternal(new StateEvent() { Type = eventType, StateKey = stateKey, RawContent = request }.ToStateEvent(user, room));
+        evt.Type = eventType;
+        evt.StateKey = stateKey;
+        return new EventIdResponse() {
+            EventId = evt.EventId ?? throw new InvalidOperationException("EventId is null")
+        };
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomTimelineController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomTimelineController.cs
new file mode 100644
index 0000000..afd69d1
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomTimelineController.cs
@@ -0,0 +1,432 @@
+using System.Collections.Immutable;
+using System.Diagnostics;
+using System.Text.Json.Nodes;
+using ArcaneLibs;
+using LibMatrix.EventTypes.Spec;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.Helpers;
+using LibMatrix.HomeserverEmulator.Extensions;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/rooms/{roomId}")]
+public class RoomTimelineController(
+    ILogger<RoomTimelineController> logger,
+    TokenService tokenService,
+    UserStore userStore,
+    RoomStore roomStore,
+    HomeserverProviderService hsProvider) : ControllerBase {
+    [HttpPut("send/{eventType}/{txnId}")]
+    public async Task<EventIdResponse> SendMessage(string roomId, string eventType, string txnId, [FromBody] JsonObject content) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        var evt = new StateEvent() {
+            RawContent = content,
+            Type = eventType
+        }.ToStateEvent(user, room);
+
+        room.Timeline.Add(evt);
+        if (evt.Type == RoomMessageEventContent.EventId && (evt.TypedContent as RoomMessageEventContent).Body.StartsWith("!hse"))
+            await HandleHseCommand(evt, room, user);
+        // else
+
+        return new() {
+            EventId = evt.EventId
+        };
+    }
+
+    [HttpGet("messages")]
+    public async Task<MessagesResponse> GetMessages(string roomId, [FromQuery] string? from = null, [FromQuery] string? to = null, [FromQuery] int limit = 100,
+        [FromQuery] string? dir = "b") {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        if (dir == "b") {
+            var timeline = room.Timeline.TakeLast(limit).ToList();
+            return new() {
+                Start = timeline.First().EventId,
+                End = timeline.Last().EventId,
+                Chunk = timeline.AsEnumerable().Reverse().ToList(),
+                State = timeline.GetCalculatedState()
+            };
+        }
+        else if (dir == "f") {
+            var timeline = room.Timeline.Take(limit).ToList();
+            return new() {
+                Start = timeline.First().EventId,
+                End = room.Timeline.Last() == timeline.Last() ? null : timeline.Last().EventId,
+                Chunk = timeline
+            };
+        }
+        else
+            throw new MatrixException() {
+                ErrorCode = "M_BAD_REQUEST",
+                Error = $"Invalid direction '{dir}'"
+            };
+    }
+
+    [HttpGet("event/{eventId}")]
+    public async Task<StateEventResponse> GetEvent(string roomId, string eventId) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        var evt = room.Timeline.SingleOrDefault(x => x.EventId == eventId);
+        if (evt == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+
+        return evt;
+    }
+    
+    [HttpGet("relations/{eventId}")]
+    public async Task<RecursedBatchedChunkedStateEventResponse> GetRelations(string roomId, string eventId, [FromQuery] string? dir = "b", [FromQuery] string? from = null, [FromQuery] int? limit = 100, [FromQuery] bool? recurse = false, [FromQuery] string? to = null) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        var evt = room.Timeline.SingleOrDefault(x => x.EventId == eventId);
+        if (evt == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+
+        var matchingEvents = await GetRelationsInternal(roomId, eventId, dir, from, limit, recurse, to);
+
+        return new() {
+            Chunk = matchingEvents.ToList()
+        };
+    }
+    
+    [HttpGet("relations/{eventId}/{relationType}")]
+    public async Task<RecursedBatchedChunkedStateEventResponse> GetRelations(string roomId, string eventId, string relationType, [FromQuery] string? dir = "b", [FromQuery] string? from = null, [FromQuery] int? limit = 100, [FromQuery] bool? recurse = false, [FromQuery] string? to = null) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        var evt = room.Timeline.SingleOrDefault(x => x.EventId == eventId);
+        if (evt == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+
+        var matchingEvents = await GetRelationsInternal(roomId, eventId, dir, from, limit, recurse, to);
+
+        return new() {
+            Chunk = matchingEvents.ToList()
+        };
+    }
+    
+    [HttpGet("relations/{eventId}/{relationType}/{eventType}")]
+    public async Task<RecursedBatchedChunkedStateEventResponse> GetRelations(string roomId, string eventId, string relationType, string eventType, [FromQuery] string? dir = "b", [FromQuery] string? from = null, [FromQuery] int? limit = 100, [FromQuery] bool? recurse = false, [FromQuery] string? to = null) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token);
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        if (!room.JoinedMembers.Any(x => x.StateKey == user.UserId))
+            throw new MatrixException() {
+                ErrorCode = "M_FORBIDDEN",
+                Error = "User is not in the room"
+            };
+
+        var evt = room.Timeline.SingleOrDefault(x => x.EventId == eventId);
+        if (evt == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+
+        var matchingEvents = await GetRelationsInternal(roomId, eventId, dir, from, limit, recurse, to);
+
+        return new() {
+            Chunk = matchingEvents.ToList()
+        };
+    }
+    
+    private async Task<IEnumerable<StateEventResponse>> GetRelationsInternal(string roomId, string eventId, string dir, string? from, int? limit, bool? recurse, string? to) {
+        var room = roomStore.GetRoomById(roomId);
+        var evt = room.Timeline.SingleOrDefault(x => x.EventId == eventId);
+        if (evt == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Event not found"
+            };
+
+        var relatedEvents = room.Timeline.Where(x => x.RawContent?["m.relates_to"]?["event_id"]?.GetValue<string>() == eventId);
+        if (dir == "b") {
+            relatedEvents = relatedEvents.TakeLast(limit ?? 100);
+        }
+        else if (dir == "f") {
+            relatedEvents = relatedEvents.Take(limit ?? 100);
+        }
+        
+        return relatedEvents;
+    }
+
+#region Commands
+
+    private void InternalSendMessage(RoomStore.Room room, string content) {
+        InternalSendMessage(room, new MessageBuilder().WithBody(content).Build());
+    }
+
+    private void InternalSendMessage(RoomStore.Room room, RoomMessageEventContent content) {
+        logger.LogInformation("Sending internal message: {content}", content.Body);
+        room.Timeline.Add(new StateEventResponse() {
+            Type = RoomMessageEventContent.EventId,
+            TypedContent = content,
+            Sender = $"@hse:{tokenService.GenerateServerName(HttpContext)}",
+            RoomId = room.RoomId,
+            EventId = "$" + string.Join("", Random.Shared.GetItems("abcdefghijklmnopqrstuvwxyzABCDEFGHIJLKMNOPQRSTUVWXYZ0123456789".ToCharArray(), 100)),
+            OriginServerTs = DateTimeOffset.Now.ToUnixTimeMilliseconds()
+        });
+    }
+
+    private async Task HandleHseCommand(StateEventResponse evt, RoomStore.Room room, UserStore.User user) {
+        try {
+            var msgContent = evt.TypedContent as RoomMessageEventContent;
+            var parts = msgContent.Body.Split('\n')[0].Split(" ");
+            if (parts.Length < 2) return;
+
+            var command = parts[1];
+            switch (command) {
+                case "import":
+                    await HandleImportCommand(parts[2..], evt, room, user);
+                    break;
+                case "import-nheko-profiles":
+                    await HandleImportNhekoProfilesCommand(parts[2..], evt, room, user);
+                    break;
+                case "clear-sync-states":
+                    foreach (var (token, session) in user.AccessTokens) {
+                        session.SyncStates.Clear();
+                        InternalSendMessage(room, $"Cleared sync states for {token}.");
+                    }
+
+                    break;
+                case "rsp": {
+                    await Task.Delay(1000);
+                    var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJLKMNOPQRSTUVWXYZ0123456789";
+                    for (int i = 0; i < 10000; i++) {
+                        // await Task.Delay(100);
+                        // InternalSendMessage(room, $"https://music.youtube.com/watch?v=90oZtyvavSk&i={i}");
+                        var url = $"https://music.youtube.com/watch?v=";
+                        for (int j = 0; j < 11; j++) {
+                            url += chars[Random.Shared.Next(chars.Length)];
+                        }
+
+                        InternalSendMessage(room, url + "&i=" + i);
+                        if (i % 5000 == 0 || i == 9999) {
+                            Thread.Sleep(5000);
+
+                            do {
+                                InternalSendMessage(room,
+                                    $"Current GC memory: {Util.BytesToString(GC.GetTotalMemory(false))}, total process memory: {Util.BytesToString(Process.GetCurrentProcess().WorkingSet64)}");
+                                GC.Collect(GC.MaxGeneration, GCCollectionMode.Aggressive, true, true);
+                                GC.WaitForPendingFinalizers();
+                                InternalSendMessage(room,
+                                    $"GC memory: {Util.BytesToString(GC.GetTotalMemory(false))}, total process memory: {Util.BytesToString(Process.GetCurrentProcess().WorkingSet64)}");
+                                await Task.Delay(5000);
+                            } while (Process.GetCurrentProcess().WorkingSet64 >= 1_024_000_000);
+                        }
+                    }
+                    break;
+                }
+                case "genrooms": {
+                    var sw = Stopwatch.StartNew();
+                    var count = 1000;
+                    for (int i = 0; i < count; i++) {
+                        var crq = new CreateRoomRequest() {
+                            Name = "Test room",
+                            CreationContent = new() {
+                                ["version"] = "11"
+                            },
+                            InitialState = []
+                        };
+
+                        if (Random.Shared.Next(100) > 75) {
+                            crq.CreationContent["type"] = "m.space";
+                            foreach (var item in Random.Shared.GetItems(roomStore._rooms.ToArray(), 50)) {
+                                crq.InitialState!.Add(new StateEvent() {
+                                    Type = "m.space.child",
+                                    StateKey = item.RoomId,
+                                    TypedContent = new SpaceChildEventContent() {
+                                        Suggested = true,
+                                        AutoJoin = true,
+                                        Via = new List<string>()
+                                    }
+                                }.ToStateEvent(user, room));
+                            }
+                        }
+                        var newRoom = roomStore.CreateRoom(crq);
+                        newRoom.AddUser(user.UserId);
+                    }
+                    InternalSendMessage(room, $"Generated {count} new rooms in {sw.Elapsed}!");
+                    break;
+                }
+                case "gc":
+                    InternalSendMessage(room,
+                        $"Current GC memory: {Util.BytesToString(GC.GetTotalMemory(false))}, total process memory: {Util.BytesToString(Process.GetCurrentProcess().WorkingSet64)}");
+                    GC.Collect(GC.MaxGeneration, GCCollectionMode.Aggressive, true, true);
+                    GC.WaitForPendingFinalizers();
+                    InternalSendMessage(room,
+                        $"GC memory: {Util.BytesToString(GC.GetTotalMemory(false))}, total process memory: {Util.BytesToString(Process.GetCurrentProcess().WorkingSet64)}");
+                    break;
+                default:
+                    InternalSendMessage(room, $"Command {command} not found!");
+                    break;
+            }
+        }
+        catch (Exception ex) {
+            InternalSendMessage(room, $"An error occurred: {ex.Message}");
+        }
+    }
+
+    private async Task HandleImportNhekoProfilesCommand(string[] args, StateEventResponse evt, RoomStore.Room room, UserStore.User user) {
+        var msgContent = evt.TypedContent as RoomMessageEventContent;
+        var parts = msgContent.Body.Split('\n');
+
+        var data = parts.Where(x => x.Contains(@"\auth\access_token") || x.Contains(@"\auth\home_server")).ToList();
+        if (data.Count < 2) {
+            InternalSendMessage(room, "Invalid data.");
+            return;
+        }
+
+        foreach (var line in data) {
+            var processedLine = line.Replace("\\\\", "\\").Replace("\\_", "_");
+
+            if (!processedLine.Contains(@"\auth\")) continue;
+            var profile = processedLine.Split(@"\auth\")[0];
+            if (!user.AuthorizedSessions.ContainsKey(profile))
+                user.AuthorizedSessions.Add(profile, new());
+            if (processedLine.Contains(@"home_server")) {
+                var server = processedLine.Split('=')[1];
+                user.AuthorizedSessions[profile].Homeserver = server;
+            }
+            else if (processedLine.Contains(@"access_token")) {
+                var token = processedLine.Split('=')[1];
+                user.AuthorizedSessions[profile].AccessToken = token;
+            }
+        }
+
+        foreach (var (key, session) in user.AuthorizedSessions.ToList()) {
+            if (string.IsNullOrWhiteSpace(session.Homeserver) || string.IsNullOrWhiteSpace(session.AccessToken)) {
+                InternalSendMessage(room, $"Invalid profile {key}");
+                user.AuthorizedSessions.Remove(key);
+                continue;
+            }
+
+            InternalSendMessage(room, $"Got profile {key} with server {session.AccessToken}");
+        }
+    }
+
+    private async Task HandleImportCommand(string[] args, StateEventResponse evt, RoomStore.Room room, UserStore.User user) {
+        var roomId = args[0];
+        var profile = args[1];
+
+        InternalSendMessage(room, $"Importing room {roomId} through profile {profile}...");
+        if (!user.AuthorizedSessions.ContainsKey(profile)) {
+            InternalSendMessage(room, $"Profile {profile} not found.");
+            return;
+        }
+
+        var userProfile = user.AuthorizedSessions[profile];
+
+        InternalSendMessage(room, $"Authenticating with {userProfile.Homeserver}...");
+        var hs = await hsProvider.GetAuthenticatedWithToken(userProfile.Homeserver, userProfile.AccessToken);
+        InternalSendMessage(room, $"Authenticated with {userProfile.Homeserver}.");
+        var hsRoom = hs.GetRoom(roomId);
+
+        InternalSendMessage(room, $"Starting import...");
+        var internalRoom = new RoomStore.Room(roomId);
+
+        var timeline = hsRoom.GetManyMessagesAsync(limit: int.MaxValue, dir: "b", chunkSize: 100000);
+        await foreach (var resp in timeline) {
+            internalRoom.Timeline = new(resp.Chunk.AsEnumerable().Reverse().Concat(internalRoom.Timeline));
+            InternalSendMessage(room, $"Imported {resp.Chunk.Count} events. Now up to a total of {internalRoom.Timeline.Count} events.");
+        }
+
+        InternalSendMessage(room, $"Import complete. Saving and inserting user");
+        roomStore.AddRoom(internalRoom);
+        internalRoom.AddUser(user.UserId);
+        InternalSendMessage(room, $"Import complete. Room is now available.");
+    }
+
+#endregion
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs
new file mode 100644
index 0000000..c24e6e9
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Rooms/RoomsController.cs
@@ -0,0 +1,139 @@
+using System.Text.Json.Serialization;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.EventTypes.Spec.State.RoomInfo;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using LibMatrix.RoomTypes;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.Rooms;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class RoomsController(ILogger<RoomsController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    //createRoom
+    [HttpPost("createRoom")]
+    public async Task<RoomIdResponse> CreateRoom([FromBody] CreateRoomRequest request) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        // var room = new RoomStore.Room($"!{Guid.NewGuid()}:{tokenService.GenerateServerName(HttpContext)}");
+        var room = roomStore.CreateRoom(request, user);
+
+        return new() {
+            RoomId = room.RoomId
+        };
+    }
+
+    [HttpPost("rooms/{roomId}/upgrade")]
+    public async Task<object> UpgradeRoom(string roomId, [FromBody] UpgradeRoomRequest request) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var oldRoom = roomStore.GetRoomById(roomId);
+        if (oldRoom == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+
+        var room = new RoomStore.Room($"!{Guid.NewGuid()}:{tokenService.GenerateServerName(HttpContext)}");
+
+        var eventTypesToTransfer = new[] {
+            RoomServerACLEventContent.EventId,
+            RoomEncryptionEventContent.EventId,
+            RoomNameEventContent.EventId,
+            RoomAvatarEventContent.EventId,
+            RoomTopicEventContent.EventId,
+            RoomGuestAccessEventContent.EventId,
+            RoomHistoryVisibilityEventContent.EventId,
+            RoomJoinRulesEventContent.EventId,
+            RoomPowerLevelEventContent.EventId,
+        };
+
+        var createEvent = room.SetStateInternal(new() {
+            Type = RoomCreateEventContent.EventId,
+            RawContent = new() {
+                ["creator"] = user.UserId
+            }
+        });
+
+        oldRoom.State.Where(x => eventTypesToTransfer.Contains(x.Type)).ToList().ForEach(x => room.SetStateInternal(x));
+
+        room.AddUser(user.UserId);
+
+        // user.Rooms.Add(room.RoomId, room);
+        return new {
+            replacement_room = room.RoomId
+        };
+    }
+
+    public class ReasonBody {
+        [JsonPropertyName("reason")]
+        public string? Reason { get; set; }
+    }
+    [HttpPost("rooms/{roomId}/leave")] // TODO: implement
+    public async Task<object> LeaveRoom(string roomId, [FromBody] ReasonBody body) {
+        var token = tokenService.GetAccessTokenOrNull(HttpContext);
+        if (token == null)
+            throw new MatrixException() {
+                ErrorCode = "M_MISSING_TOKEN",
+                Error = "Missing token"
+            };
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+
+        var room = roomStore.GetRoomById(roomId);
+        if (room == null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Room not found"
+            };
+        
+        room.SetStateInternal(new() {
+            Type = RoomMemberEventContent.EventId,
+            TypedContent = new RoomMemberEventContent() {
+                Membership = "leave",
+                Reason = body.Reason
+            },
+            StateKey = user.UserId
+        });
+
+        logger.LogTrace($"User {user.UserId} left room {room.RoomId}");
+        return new {
+            room_id = room.RoomId
+        };
+    }
+}
+
+public class UpgradeRoomRequest {
+    [JsonPropertyName("new_version")]
+    public required string NewVersion { get; set; }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/SyncController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/SyncController.cs
new file mode 100644
index 0000000..024d071
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/SyncController.cs
@@ -0,0 +1,272 @@
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using ArcaneLibs.Extensions;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.HomeserverEmulator.Extensions;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class SyncController(ILogger<SyncController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore, HSEConfiguration cfg) : ControllerBase {
+    [HttpGet("sync")]
+    [SuppressMessage("ReSharper.DPA", "DPA0011: High execution time of MVC action", Justification = "Endpoint is expected to wait until data is available or timeout.")]
+    public async Task<SyncResponse> Sync([FromQuery] string? since = null, [FromQuery] int? timeout = 5000) {
+        var sw = Stopwatch.StartNew();
+        var token = tokenService.GetAccessToken(HttpContext);
+
+        var user = await userStore.GetUserByToken(token);
+        if (user == null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNKNOWN_TOKEN",
+                Error = "No such user"
+            };
+        var session = user.AccessTokens[token];
+        UserStore.User.SessionInfo.UserSyncState newSyncState = new();
+
+        SyncResponse syncResp;
+        if (string.IsNullOrWhiteSpace(since) || !session.SyncStates.ContainsKey(since))
+            syncResp = InitialSync(user, session);
+        else {
+            var syncState = session.SyncStates[since];
+            newSyncState = syncState.Clone();
+
+            var newSyncToken = Guid.NewGuid().ToString();
+            do {
+                syncResp = IncrementalSync(user, session, syncState);
+                syncResp.NextBatch = newSyncToken;
+            } while (!await HasDataOrStall(syncResp) && sw.ElapsedMilliseconds < timeout);
+
+            if (sw.ElapsedMilliseconds > timeout) {
+                logger.LogTrace("Sync timed out after {Elapsed}", sw.Elapsed);
+                return new() {
+                    NextBatch = since
+                };
+            }
+        }
+
+        session.SyncStates[syncResp.NextBatch] = RecalculateSyncStates(newSyncState, syncResp);
+        logger.LogTrace("Responding to sync after {totalElapsed}", sw.Elapsed);
+        return syncResp;
+    }
+
+    private UserStore.User.SessionInfo.UserSyncState RecalculateSyncStates(UserStore.User.SessionInfo.UserSyncState newSyncState, SyncResponse sync) {
+        logger.LogTrace("Updating sync state");
+        var syncStateRecalcSw = Stopwatch.StartNew();
+        foreach (var (roomId, roomData) in sync.Rooms?.Join ?? []) {
+            if (!newSyncState.RoomPositions.ContainsKey(roomId))
+                newSyncState.RoomPositions[roomId] = new();
+            var state = newSyncState.RoomPositions[roomId];
+
+            state.TimelinePosition += roomData.Timeline?.Events?.Count ?? 0;
+            state.LastTimelineEventId = roomData.Timeline?.Events?.LastOrDefault()?.EventId ?? state.LastTimelineEventId;
+            state.AccountDataPosition += roomData.AccountData?.Events?.Count ?? 0;
+            state.Joined = true;
+        }
+
+        foreach (var (roomId, _) in sync.Rooms?.Invite ?? []) {
+            if (!newSyncState.RoomPositions.ContainsKey(roomId))
+                newSyncState.RoomPositions[roomId] = new() {
+                    Joined = false
+                };
+        }
+
+        foreach (var (roomId, _) in sync.Rooms?.Leave ?? []) {
+            if (newSyncState.RoomPositions.ContainsKey(roomId))
+                newSyncState.RoomPositions.Remove(roomId);
+        }
+
+        logger.LogTrace("Updated sync state in {Elapsed}", syncStateRecalcSw.Elapsed);
+
+        return newSyncState;
+    }
+
+#region Initial Sync parts
+
+    private SyncResponse InitialSync(UserStore.User user, UserStore.User.SessionInfo session) {
+        var response = new SyncResponse() {
+            NextBatch = Guid.NewGuid().ToString(),
+            DeviceOneTimeKeysCount = new(),
+            AccountData = new(events: user.AccountData.ToList())
+        };
+
+        session.SyncStates.Add(response.NextBatch, new());
+
+        var rooms = roomStore._rooms.Where(x => x.State.Any(y => y.Type == "m.room.member" && y.StateKey == user.UserId)).ToList();
+        foreach (var room in rooms) {
+            response.Rooms ??= new();
+            response.Rooms.Join ??= new();
+
+            response.Rooms.Join[room.RoomId] = new() {
+                State = new(room.State.ToList()),
+                Timeline = new(events: room.Timeline.ToList(), limited: false),
+                AccountData = new(room.AccountData.GetOrCreate(user.UserId, _ => []).ToList())
+            };
+        }
+
+        return response;
+    }
+
+    private SyncResponse.RoomsDataStructure.JoinedRoomDataStructure GetInitialSyncRoomData(RoomStore.Room room, UserStore.User user) {
+        return new() {
+            State = new(room.State.ToList()),
+            Timeline = new(room.Timeline.ToList(), false),
+            AccountData = new(room.AccountData.GetOrCreate(user.UserId, _ => []).ToList())
+        };
+    }
+
+#endregion
+
+    private SyncResponse IncrementalSync(UserStore.User user, UserStore.User.SessionInfo session, UserStore.User.SessionInfo.UserSyncState syncState) {
+        return new SyncResponse {
+            Rooms = GetIncrementalSyncRooms(user, session, syncState)
+        };
+    }
+
+#region Incremental Sync parts
+
+    private SyncResponse.RoomsDataStructure GetIncrementalSyncRooms(UserStore.User user, UserStore.User.SessionInfo session, UserStore.User.SessionInfo.UserSyncState syncState) {
+        SyncResponse.RoomsDataStructure data = new() {
+            Join = [],
+            Invite = [],
+            Leave = []
+        };
+
+        // step 1: check previously synced rooms
+        foreach (var (roomId, roomPosition) in syncState.RoomPositions) {
+            var room = roomStore.GetRoomById(roomId);
+            if (room == null) {
+                // room no longer exists
+                data.Leave[roomId] = new();
+                continue;
+            }
+
+            if (roomPosition.Joined) {
+                var newTimelineEvents = room.Timeline.Skip(roomPosition.TimelinePosition).ToList();
+                var newAccountDataEvents = room.AccountData[user.UserId].Skip(roomPosition.AccountDataPosition).ToList();
+                if (newTimelineEvents.Count == 0 && newAccountDataEvents.Count == 0) continue;
+                data.Join[room.RoomId] = new() {
+                    State = new(newTimelineEvents.GetCalculatedState()),
+                    Timeline = new(newTimelineEvents, false)
+                };
+            }
+        }
+
+        if (data.Join.Count > 0) return data;
+
+        // step 2: check newly joined rooms
+        var untrackedRooms = roomStore._rooms.Where(r => !syncState.RoomPositions.ContainsKey(r.RoomId)).ToList();
+
+        var allJoinedRooms = roomStore.GetRoomsByMember(user.UserId).ToArray();
+        if (allJoinedRooms.Length == 0) return data;
+        var rooms = Random.Shared.GetItems(allJoinedRooms, Math.Min(allJoinedRooms.Length, 50));
+        foreach (var membership in rooms) {
+            var membershipContent = membership.TypedContent as RoomMemberEventContent ??
+                                    throw new InvalidOperationException("Membership event content is not RoomMemberEventContent");
+            var room = roomStore.GetRoomById(membership.RoomId!);
+            //handle leave
+            if (syncState.RoomPositions.TryGetValue(membership.RoomId!, out var syncPosition)) {
+                // logger.LogTrace("Found sync position {roomId} {value}", room.RoomId, syncPosition.ToJson(indent: false, ignoreNull: false));
+
+                if (membershipContent.Membership == "join") {
+                    var newTimelineEvents = room.Timeline.Skip(syncPosition.TimelinePosition).ToList();
+                    var newAccountDataEvents = room.AccountData[user.UserId].Skip(syncPosition.AccountDataPosition).ToList();
+                    if (newTimelineEvents.Count == 0 && newAccountDataEvents.Count == 0) continue;
+                    data.Join[room.RoomId] = new() {
+                        State = new(newTimelineEvents.GetCalculatedState()),
+                        Timeline = new(newTimelineEvents, false)
+                    };
+                }
+            }
+            else {
+                //syncPosisition = null
+                if (membershipContent.Membership == "join") {
+                    var joinData = data.Join[membership.RoomId!] = new() {
+                        State = new(room.State.ToList()),
+                        Timeline = new(events: room.Timeline.ToList(), limited: false),
+                        AccountData = new(room.AccountData.GetOrCreate(user.UserId, _ => []).ToList())
+                    };
+                }
+            }
+        }
+
+        //handle nonexistant rooms
+        foreach (var roomId in syncState.RoomPositions.Keys) {
+            if (!roomStore._rooms.Any(x => x.RoomId == roomId)) {
+                data.Leave[roomId] = new();
+                session.SyncStates[session.SyncStates.Last().Key].RoomPositions.Remove(roomId);
+            }
+        }
+
+        return data;
+    }
+
+#endregion
+
+    private async Task<bool> HasDataOrStall(SyncResponse resp) {
+        // logger.LogTrace("Checking if sync response has data: {resp}", resp.ToJson(indent: false, ignoreNull: true));
+        // if (resp.AccountData?.Events?.Count > 0) return true;
+        // if (resp.Rooms?.Invite?.Count > 0) return true;
+        // if (resp.Rooms?.Join?.Count > 0) return true;
+        // if (resp.Rooms?.Leave?.Count > 0) return true;
+        // if (resp.Presence?.Events?.Count > 0) return true;
+        // if (resp.DeviceLists?.Changed?.Count > 0) return true;
+        // if (resp.DeviceLists?.Left?.Count > 0) return true;
+        // if (resp.ToDevice?.Events?.Count > 0) return true;
+        //
+        // var hasData =
+        //     resp is not {
+        //         AccountData: null or {
+        //             Events: null or { Count: 0 }
+        //         },
+        //         Rooms: null or {
+        //             Invite: null or { Count: 0 },
+        //             Join: null or { Count: 0 },
+        //             Leave: null or { Count: 0 }
+        //         },
+        //         Presence: null or {
+        //             Events: null or { Count: 0 }
+        //         },
+        //         DeviceLists: null or {
+        //             Changed: null or { Count: 0 },
+        //             Left: null or { Count: 0 }
+        //         },
+        //         ToDevice: null or {
+        //             Events: null or { Count: 0 }
+        //         }
+        //     };
+
+        var hasData = resp is {
+            AccountData: {
+                Events: { Count: > 0 }
+            }
+        } or {
+            Presence: {
+                Events: { Count: > 0 }
+            }
+        } or {
+            DeviceLists: {
+                Changed: { Count: > 0 },
+                Left: { Count: > 0 }
+            }
+        } or {
+            ToDevice: {
+                Events: { Count: > 0 }
+            }
+        };
+
+        if (!hasData) {
+            // hasData = 
+        }
+
+        if (!hasData) {
+            // logger.LogDebug($"Sync response has no data, stalling for 1000ms: {resp.ToJson(indent: false, ignoreNull: true)}");
+            await Task.Delay(10);
+        }
+
+        return hasData;
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/ThirdParty/ThirdPartyController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/ThirdParty/ThirdPartyController.cs
new file mode 100644
index 0000000..ff006df
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/ThirdParty/ThirdPartyController.cs
@@ -0,0 +1,25 @@
+using LibMatrix.HomeserverEmulator.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers.ThirdParty;
+
+[ApiController]
+[Route("/_matrix/client/{version}/thirdparty/")]
+public class ThirdPartyController(ILogger<ThirdPartyController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    [HttpGet("protocols")]
+    public async Task<object> GetProtocols() {
+        return new { };
+    }
+
+    [HttpGet("location")]
+    public async Task<List<object>> GetLocations([FromQuery] string alias) {
+        // TODO: implement
+        return [];
+    }
+
+    [HttpGet("location/{protocol}")]
+    public async Task<List<object>> GetLocation([FromRoute] string protocol) {
+        // TODO: implement
+        return [];
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/AccountDataController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/AccountDataController.cs
new file mode 100644
index 0000000..a32d283
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/AccountDataController.cs
@@ -0,0 +1,68 @@
+using System.Text.Json.Nodes;
+using ArcaneLibs.Extensions;
+using LibMatrix.EventTypes.Spec.State;
+using LibMatrix.Filters;
+using LibMatrix.HomeserverEmulator.Services;
+using LibMatrix.Responses;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/client/{version}/")]
+public class AccountDataController(ILogger<AccountDataController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {
+    [HttpGet("user/{mxid}/account_data/{type}")]
+    public async Task<object> GetAccountData(string type) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token, false);
+        if (user is null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNAUTHORIZED",
+                Error = "Invalid token."
+            };
+
+        var value = user.AccountData.FirstOrDefault(x => x.Type == type);
+        if (value is null)
+            throw new MatrixException() {
+                ErrorCode = "M_NOT_FOUND",
+                Error = "Key not found."
+            };
+        return value;
+    }
+
+    [HttpPut("user/{mxid}/account_data/{type}")]
+    public async Task<object> SetAccountData(string type, [FromBody] JsonObject data) {
+        var token = tokenService.GetAccessToken(HttpContext);
+        var user = await userStore.GetUserByToken(token, false);
+        if (user is null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNAUTHORIZED",
+                Error = "Invalid token."
+            };
+
+        user.AccountData.Add(new() {
+            Type = type,
+            RawContent = data
+        });
+        return data;
+    }
+
+    // specialised account data...
+    [HttpGet("pushrules")]
+    public async Task<object> GetPushRules() {
+        var token = tokenService.GetAccessToken(HttpContext);
+        if (token is null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNAUTHORIZED",
+                Error = "No token passed."
+            };
+
+        var user = await userStore.GetUserByToken(token, false);
+        if (user is null)
+            throw new MatrixException() {
+                ErrorCode = "M_UNAUTHORIZED",
+                Error = "Invalid token."
+            };
+        return new { };
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/FilterController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/FilterController.cs
new file mode 100644
index 0000000..bdee7bc
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/FilterController.cs
@@ -0,0 +1,46 @@
+using System.Text.Json.Nodes;

+using ArcaneLibs.Extensions;

+using LibMatrix.EventTypes.Spec.State;

+using LibMatrix.Filters;

+using LibMatrix.HomeserverEmulator.Services;

+using LibMatrix.Responses;

+using Microsoft.AspNetCore.Mvc;

+

+namespace LibMatrix.HomeserverEmulator.Controllers;

+

+[ApiController]

+[Route("/_matrix/client/{version}/")]

+public class FilterController(ILogger<FilterController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {

+    [HttpPost("user/{mxid}/filter")]

+    public async Task<object> CreateFilter(string mxid, [FromBody] SyncFilter filter) {

+        var token = tokenService.GetAccessToken(HttpContext);

+        var user = await userStore.GetUserByToken(token, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_UNAUTHORIZED",

+                Error = "Invalid token."

+            };

+        var filterId = Guid.NewGuid().ToString();

+        user.Filters[filterId] = filter;

+        return new {

+            filter_id = filterId

+        };

+    }

+    

+    [HttpGet("user/{mxid}/filter/{filterId}")]

+    public async Task<SyncFilter> GetFilter(string mxid, string filterId) {

+        var token = tokenService.GetAccessToken(HttpContext);

+        var user = await userStore.GetUserByToken(token, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_UNAUTHORIZED",

+                Error = "Invalid token."

+            };

+        if (!user.Filters.ContainsKey(filterId))

+            throw new MatrixException() {

+                ErrorCode = "M_NOT_FOUND",

+                Error = "Filter not found."

+            };

+        return user.Filters[filterId];

+    }

+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/ProfileController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/ProfileController.cs
new file mode 100644
index 0000000..98c41da
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/ProfileController.cs
@@ -0,0 +1,52 @@
+using System.Text.Json.Nodes;

+using ArcaneLibs.Extensions;

+using LibMatrix.EventTypes.Spec.State;

+using LibMatrix.Filters;

+using LibMatrix.HomeserverEmulator.Services;

+using LibMatrix.Responses;

+using Microsoft.AspNetCore.Mvc;

+

+namespace LibMatrix.HomeserverEmulator.Controllers;

+

+[ApiController]

+[Route("/_matrix/client/{version}/")]

+public class ProfileController(ILogger<ProfileController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {

+    [HttpGet("profile/{userId}")]

+    public async Task<IDictionary<string, object>> GetProfile(string userId) {

+        var user = await userStore.GetUserById(userId, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_NOT_FOUND",

+                Error = "User not found."

+            };

+        return user.Profile;

+    }

+

+    [HttpGet("profile/{userId}/{key}")]

+    public async Task<object> GetProfile(string userId, string key) {

+        var user = await userStore.GetUserById(userId, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_NOT_FOUND",

+                Error = "User not found."

+            };

+        if (!user.Profile.TryGetValue(key, out var value))

+            throw new MatrixException() {

+                ErrorCode = "M_NOT_FOUND",

+                Error = "Key not found."

+            };

+        return value;

+    }

+

+    [HttpPut("profile/{userId}/{key}")]

+    public async Task<object> SetProfile(string userId, string key, [FromBody] JsonNode value) {

+        var user = await userStore.GetUserById(userId, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_NOT_FOUND",

+                Error = "User not found."

+            };

+        user.Profile[key] = value[key]?.AsObject();

+        return value;

+    }

+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/UserController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/UserController.cs
new file mode 100644
index 0000000..2be3896
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/Users/UserController.cs
@@ -0,0 +1,80 @@
+using System.Text.Json.Nodes;

+using System.Text.Json.Serialization;

+using ArcaneLibs.Extensions;

+using LibMatrix.EventTypes.Spec.State;

+using LibMatrix.Filters;

+using LibMatrix.HomeserverEmulator.Services;

+using LibMatrix.Responses;

+using Microsoft.AspNetCore.Mvc;

+

+namespace LibMatrix.HomeserverEmulator.Controllers;

+

+[ApiController]

+[Route("/_matrix/client/{version}/")]

+public class UserController(ILogger<UserController> logger, TokenService tokenService, UserStore userStore, RoomStore roomStore) : ControllerBase {

+    [HttpGet("account/whoami")]

+    public async Task<WhoAmIResponse> Login() {

+        var token = tokenService.GetAccessToken(HttpContext);

+        var user = await userStore.GetUserByToken(token, Random.Shared.Next(101) <= 10, tokenService.GenerateServerName(HttpContext));

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_UNKNOWN_TOKEN",

+                Error = "Invalid token."

+            };

+        var whoAmIResponse = new WhoAmIResponse {

+            UserId = user.UserId

+        };

+        return whoAmIResponse;

+    }

+

+    [HttpGet("joined_rooms")]

+    public async Task<object> GetJoinedRooms() {

+        var token = tokenService.GetAccessToken(HttpContext);

+        var user = await userStore.GetUserByToken(token, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_UNAUTHORIZED",

+                Error = "Invalid token."

+            };

+        // return user.JoinedRooms;

+

+        return new {

+            joined_rooms = roomStore._rooms.Where(r =>

+                r.State.Any(s => s.StateKey == user.UserId && s.Type == RoomMemberEventContent.EventId && (s.TypedContent as RoomMemberEventContent).Membership == "join")

+            ).Select(r => r.RoomId).ToList()

+        };

+    }

+    

+    [HttpGet("devices")]

+    public async Task<DevicesResponse> GetDevices() {

+        var token = tokenService.GetAccessToken(HttpContext);

+        var user = await userStore.GetUserByToken(token, false);

+        if (user is null)

+            throw new MatrixException() {

+                ErrorCode = "M_UNAUTHORIZED",

+                Error = "Invalid token."

+            };

+        return new() {

+            Devices = user.AccessTokens.Select(x=>new DevicesResponse.Device() {

+                DeviceId = x.Value.DeviceId,

+                DisplayName = x.Value.DeviceId

+            }).ToList()

+        };

+    }

+

+    public class DevicesResponse {

+        [JsonPropertyName("devices")]

+        public List<Device> Devices { get; set; }

+        

+        public class Device {

+            [JsonPropertyName("device_id")]

+            public string DeviceId { get; set; }

+            [JsonPropertyName("display_name")]

+            public string DisplayName { get; set; }

+            [JsonPropertyName("last_seen_ip")]

+            public string LastSeenIp { get; set; }

+            [JsonPropertyName("last_seen_ts")]

+            public long LastSeenTs { get; set; }

+        }

+    }

+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs
new file mode 100644
index 0000000..0c3bde6
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs
@@ -0,0 +1,96 @@
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+using LibMatrix.Homeservers;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/")]
+public class VersionsController(ILogger<WellKnownController> logger) : ControllerBase {
+    [HttpGet("client/versions")]
+    public async Task<ClientVersionsResponse> GetClientVersions() {
+        var clientVersions = new ClientVersionsResponse {
+            Versions = new() {
+                "r0.0.1",
+                "r0.1.0",
+                "r0.2.0",
+                "r0.3.0",
+                "r0.4.0",
+                "r0.5.0",
+                "r0.6.0",
+                "r0.6.1",
+                "v1.1",
+                "v1.2",
+                "v1.3",
+                "v1.4",
+                "v1.5",
+                "v1.6",
+                "v1.7",
+                "v1.8",
+            },
+            UnstableFeatures = new()
+        };
+        return clientVersions;
+    }
+
+    [HttpGet("federation/v1/version")]
+    public async Task<ServerVersionResponse> GetServerVersions() {
+        var clientVersions = new ServerVersionResponse() {
+            Server = new() {
+                Name = "LibMatrix.HomeserverEmulator",
+                Version = "0.0.0"
+            }
+        };
+        return clientVersions;
+    }
+
+    [HttpGet("client/{version}/capabilities")]
+    public async Task<CapabilitiesResponse> GetCapabilities() {
+        var caps = new CapabilitiesResponse() {
+            Capabilities = new() {
+                ChangePassword = new() {
+                    Enabled = false
+                },
+                RoomVersions = new() {
+                    Default = "11",
+                    Available = []
+                }
+            }
+        };
+
+        for (int i = 0; i < 15; i++) {
+            caps.Capabilities.RoomVersions.Available.Add(i.ToString(), "stable");
+        }
+
+        return caps;
+    }
+}
+
+public class CapabilitiesResponse {
+    [JsonPropertyName("capabilities")]
+    public CapabilitiesContent Capabilities { get; set; }
+
+    public class CapabilitiesContent {
+        [JsonPropertyName("m.room_versions")]
+        public RoomVersionsContent RoomVersions { get; set; }
+
+        [JsonPropertyName("m.change_password")]
+        public ChangePasswordContent ChangePassword { get; set; }
+
+        public class ChangePasswordContent {
+            [JsonPropertyName("enabled")]
+            public bool Enabled { get; set; }
+        }
+
+        public class RoomVersionsContent {
+            [JsonPropertyName("default")]
+            public string Default { get; set; }
+
+            [JsonPropertyName("available")]
+            public Dictionary<string, string> Available { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/WellKnownController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/WellKnownController.cs
new file mode 100644
index 0000000..97e460d
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/WellKnownController.cs
@@ -0,0 +1,32 @@
+using System.Text.Json.Nodes;

+using LibMatrix.Services;

+using Microsoft.AspNetCore.Mvc;

+

+namespace LibMatrix.HomeserverEmulator.Controllers;

+

+[ApiController]

+[Route("/.well-known/matrix/")]

+public class WellKnownController(ILogger<WellKnownController> logger) : ControllerBase {

+    [HttpGet("client")]

+    public JsonObject GetClientWellKnown() {

+        var obj = new JsonObject() {

+            ["m.homeserver"] = new JsonObject() {

+                ["base_url"] = $"{Request.Scheme}://{Request.Host}"

+            }

+        };

+

+        logger.LogInformation("Serving client well-known: {}", obj);

+

+        return obj;

+    }

+    [HttpGet("server")]

+    public JsonObject GetServerWellKnown() {

+        var obj = new JsonObject() {

+            ["m.server"] = $"{Request.Scheme}://{Request.Host}"

+        };

+

+        logger.LogInformation("Serving server well-known: {}", obj);

+

+        return obj;

+    }

+}
\ No newline at end of file