diff options
Diffstat (limited to 'Utilities/LibMatrix.HomeserverEmulator/Services/UserStore.cs')
| -rw-r--r-- | Utilities/LibMatrix.HomeserverEmulator/Services/UserStore.cs | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Services/UserStore.cs b/Utilities/LibMatrix.HomeserverEmulator/Services/UserStore.cs new file mode 100644 index 0000000..4ce9f92 --- /dev/null +++ b/Utilities/LibMatrix.HomeserverEmulator/Services/UserStore.cs @@ -0,0 +1,250 @@ +using System.Collections.Concurrent; +using System.Collections.ObjectModel; +using System.Text.Json; +using System.Text.Json.Nodes; +using ArcaneLibs; +using ArcaneLibs.Collections; +using ArcaneLibs.Extensions; +using LibMatrix.EventTypes.Spec.State; +using LibMatrix.Filters; +using LibMatrix.Responses; + +namespace LibMatrix.HomeserverEmulator.Services; + +public class UserStore { + public ConcurrentBag<User> _users = new(); + private readonly RoomStore _roomStore; + + public UserStore(HSEConfiguration config, RoomStore roomStore) { + _roomStore = roomStore; + if (config.StoreData) { + var dataDir = Path.Combine(HSEConfiguration.Current.DataStoragePath, "users"); + if (!Directory.Exists(dataDir)) Directory.CreateDirectory(dataDir); + foreach (var userId in Directory.GetDirectories(dataDir)) { + var tokensDir = Path.Combine(dataDir, userId, "tokens.json"); + var path = Path.Combine(dataDir, userId, $"user.json"); + + var user = JsonSerializer.Deserialize<User>(File.ReadAllText(path)); + user!.AccessTokens = JsonSerializer.Deserialize<ObservableDictionary<string, User.SessionInfo>>(File.ReadAllText(tokensDir))!; + _users.Add(user); + } + + Console.WriteLine($"Loaded {_users.Count} users from disk"); + } + else { + Console.WriteLine("Data storage is disabled, not loading users from disk"); + } + } + + public async Task<User?> GetUserById(string userId, bool createIfNotExists = false) { + if (_users.Any(x => x.UserId == userId)) + return _users.First(x => x.UserId == userId); + + if (!createIfNotExists) + return null; + + return await CreateUser(userId); + } + + public async Task<User?> GetUserByTokenOrNull(string token, bool createIfNotExists = false, string? serverName = null) { + if (_users.Any(x => x.AccessTokens.ContainsKey(token))) + return _users.First(x => x.AccessTokens.ContainsKey(token)); + + if (!createIfNotExists) + return null; + if (string.IsNullOrWhiteSpace(serverName)) throw new NullReferenceException("Server name was not passed"); + var uid = $"@{Guid.NewGuid().ToString()}:{serverName}"; + return await CreateUser(uid); + } + + public async Task<User> GetUserByToken(string token, bool createIfNotExists = false, string? serverName = null) { + return await GetUserByTokenOrNull(token, createIfNotExists, serverName) ?? throw new MatrixException() { + ErrorCode = MatrixException.ErrorCodes.M_UNKNOWN_TOKEN, + Error = "Invalid token." + }; + } + + public async Task<User> CreateUser(string userId, Dictionary<string, object>? profile = null) { + profile ??= new(); + if (!profile.ContainsKey("displayname")) profile.Add("displayname", userId.Split(":")[0]); + if (!profile.ContainsKey("avatar_url")) profile.Add("avatar_url", null); + var user = new User() { + UserId = userId, + AccountData = new() { + new StateEventResponse() { + Type = "im.vector.analytics", + RawContent = new JsonObject() { + ["pseudonymousAnalyticsOptIn"] = false + }, + }, + new StateEventResponse() { + Type = "im.vector.web.settings", + RawContent = new JsonObject() { + ["developerMode"] = true + } + }, + } + }; + user.Profile.AddRange(profile); + _users.Add(user); + if (!_roomStore._rooms.IsEmpty) + foreach (var item in Random.Shared.GetItems(_roomStore._rooms.ToArray(), Math.Min(_roomStore._rooms.Count, 400))) { + item.AddUser(userId); + } + + int random = Random.Shared.Next(10); + for (int i = 0; i < random; i++) { + var room = _roomStore.CreateRoom(new()); + room.AddUser(userId); + } + + return user; + } + + public class User : NotifyPropertyChanged { + public User() { + AccessTokens = new(); + Filters = new(); + Profile = new(); + AccountData = new(); + RoomKeys = new(); + AuthorizedSessions = new(); + } + + private CancellationTokenSource _debounceCts = new(); + private string _userId; + private ObservableDictionary<string, SessionInfo> _accessTokens; + private ObservableDictionary<string, SyncFilter> _filters; + private ObservableDictionary<string, object> _profile; + private ObservableCollection<StateEventResponse> _accountData; + private ObservableDictionary<string, RoomKeysResponse> _roomKeys; + private ObservableDictionary<string, AuthorizedSession> _authorizedSessions; + + public string UserId { + get => _userId; + set => SetField(ref _userId, value); + } + + public ObservableDictionary<string, SessionInfo> AccessTokens { + get => _accessTokens; + set { + if (value == _accessTokens) return; + _accessTokens = new(value); + _accessTokens.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public ObservableDictionary<string, SyncFilter> Filters { + get => _filters; + set { + if (value == _filters) return; + _filters = new(value); + _filters.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public ObservableDictionary<string, object> Profile { + get => _profile; + set { + if (value == _profile) return; + _profile = new(value); + _profile.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public ObservableCollection<StateEventResponse> AccountData { + get => _accountData; + set { + if (value == _accountData) return; + _accountData = new(value); + _accountData.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public ObservableDictionary<string, RoomKeysResponse> RoomKeys { + get => _roomKeys; + set { + if (value == _roomKeys) return; + _roomKeys = new(value); + _roomKeys.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public ObservableDictionary<string, AuthorizedSession> AuthorizedSessions { + get => _authorizedSessions; + set { + if (value == _authorizedSessions) return; + _authorizedSessions = new(value); + _authorizedSessions.CollectionChanged += async (sender, args) => await SaveDebounced(); + OnPropertyChanged(); + } + } + + public async Task SaveDebounced() { + if (!HSEConfiguration.Current.StoreData) return; + await _debounceCts.CancelAsync(); + _debounceCts = new CancellationTokenSource(); + try { + await Task.Delay(250, _debounceCts.Token); + var dataDir = Path.Combine(HSEConfiguration.Current.DataStoragePath, "users", _userId); + if (!Directory.Exists(dataDir)) Directory.CreateDirectory(dataDir); + var tokensDir = Path.Combine(dataDir, "tokens.json"); + var path = Path.Combine(dataDir, $"user.json"); + Console.WriteLine($"Saving user {_userId} to {path}!"); + await File.WriteAllTextAsync(path, this.ToJson(ignoreNull: true)); + await File.WriteAllTextAsync(tokensDir, AccessTokens.ToJson(ignoreNull: true)); + } + catch (TaskCanceledException) { } + catch (InvalidOperationException) { } // We don't care about 100% data safety, this usually happens when something is updated while serialising + } + + public class SessionInfo { + public string DeviceId { get; set; } = Guid.NewGuid().ToString(); + public Dictionary<string, UserSyncState> SyncStates { get; set; } = new(); + + public class UserSyncState { + public Dictionary<string, SyncRoomPosition> RoomPositions { get; set; } = new(); + public string FilterId { get; set; } + public DateTime SyncStateCreated { get; set; } = DateTime.Now; + + public class SyncRoomPosition { + public int TimelinePosition { get; set; } + public string LastTimelineEventId { get; set; } + public int AccountDataPosition { get; set; } + public bool Joined { get; set; } + } + + public UserSyncState Clone() { + return new() { + FilterId = FilterId, + RoomPositions = RoomPositions.ToDictionary(x => x.Key, x => new SyncRoomPosition() { + TimelinePosition = x.Value.TimelinePosition, + AccountDataPosition = x.Value.AccountDataPosition + }) + }; + } + } + } + + public LoginResponse Login() { + var session = new SessionInfo(); + AccessTokens.Add(Guid.NewGuid().ToString(), session); + SaveDebounced(); + return new LoginResponse() { + AccessToken = AccessTokens.Keys.Last(), + DeviceId = session.DeviceId, + UserId = UserId + }; + } + + public class AuthorizedSession { + public string Homeserver { get; set; } + public string AccessToken { get; set; } + } + } +} \ No newline at end of file |