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Merge pull request #168 from cogwheel0/refactor-auth-cache-manager

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refactor-auth-cache-manager
This commit is contained in:
cogwheel
2025-11-24 17:53:07 +05:30
committed by GitHub
parent 1c479b74d1 8f390b0d2d
commit b5f4c29e80
7 changed files with 297 additions and 165 deletions
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193
lib/core/auth/auth_cache_manager.dart
View File

@@ -1,198 +1,131 @@
import 'auth_state_manager.dart';
import '../services/cache_manager.dart';
import '../utils/debug_logger.dart';
import 'auth_state_manager.dart';
/// Comprehensive caching manager for auth-related operations
/// Reduces redundant operations and improves app performance
/// Comprehensive caching manager for auth-related operations.
///
/// Delegates to the shared [CacheManager] to keep TTL and eviction behavior
/// consistent across the app.
class AuthCacheManager {
static final AuthCacheManager _instance = AuthCacheManager._internal();
factory AuthCacheManager() => _instance;
AuthCacheManager._internal();
// Cache for various auth-related operations
final Map<String, dynamic> _cache = {};
final Map<String, DateTime> _cacheTimestamps = {};
static const Duration _shortCache = Duration(minutes: 2);
static const Duration _mediumCache = Duration(minutes: 5);
static const Duration _longCache = Duration(minutes: 15);
// Cache timeouts for different types of data
static const Duration _shortCache = Duration(
minutes: 2,
); // For frequently changing data
static const Duration _mediumCache = Duration(
minutes: 5,
); // For moderately stable data
static const Duration _longCache = Duration(minutes: 15); // For stable data
// Cache keys
static const String _userDataKey = 'user_data';
static const String _serverConnectionKey = 'server_connection';
static const String _credentialsExistKey = 'credentials_exist';
static const String _serverConfigsKey = 'server_configs';
static const String _authStatusKey = 'auth_status';
final CacheManager _cache = CacheManager(
defaultTtl: _mediumCache,
maxEntries: 32,
);
/// Cache user data with medium timeout
void cacheUserData(dynamic userData) {
_cache[_userDataKey] = userData;
_cacheTimestamps[_userDataKey] = DateTime.now();
_cache.write<dynamic>(_userDataKey, userData, ttl: _mediumCache);
DebugLogger.storage('User data cached');
}
/// Get cached user data
dynamic getCachedUserData() {
if (_isCacheValid(_userDataKey, _mediumCache)) {
final (hit: hit, value: user) = _cache.lookup<dynamic>(_userDataKey);
if (hit) {
DebugLogger.storage('Using cached user data');
return _cache[_userDataKey];
}
return null;
return user;
}
/// Cache server connection status with short timeout
void cacheServerConnection(bool isConnected) {
_cache[_serverConnectionKey] = isConnected;
_cacheTimestamps[_serverConnectionKey] = DateTime.now();
_cache.write<bool>(_serverConnectionKey, isConnected, ttl: _shortCache);
}
/// Get cached server connection status
bool? getCachedServerConnection() {
if (_isCacheValid(_serverConnectionKey, _shortCache)) {
return _cache[_serverConnectionKey] as bool?;
}
return null;
final (hit: hit, value: connection) = _cache.lookup<bool>(
_serverConnectionKey,
);
return hit ? connection : null;
}
/// Cache credentials existence with medium timeout
void cacheCredentialsExist(bool exist) {
_cache[_credentialsExistKey] = exist;
_cacheTimestamps[_credentialsExistKey] = DateTime.now();
_cache.write<bool>(_credentialsExistKey, exist, ttl: _mediumCache);
}
/// Get cached credentials existence
bool? getCachedCredentialsExist() {
if (_isCacheValid(_credentialsExistKey, _mediumCache)) {
return _cache[_credentialsExistKey] as bool?;
}
return null;
final (hit: hit, value: hasCreds) = _cache.lookup<bool>(
_credentialsExistKey,
);
return hit ? hasCreds : null;
}
/// Cache server configurations with long timeout
void cacheServerConfigs(List<dynamic> configs) {
_cache[_serverConfigsKey] = configs;
_cacheTimestamps[_serverConfigsKey] = DateTime.now();
_cache.write<List<dynamic>>(_serverConfigsKey, configs, ttl: _longCache);
}
/// Get cached server configurations
List<dynamic>? getCachedServerConfigs() {
if (_isCacheValid(_serverConfigsKey, _longCache)) {
return _cache[_serverConfigsKey] as List<dynamic>?;
}
return null;
final (hit: hit, value: configs) = _cache.lookup<List<dynamic>>(
_serverConfigsKey,
);
return hit ? configs : null;
}
/// Check if cache entry is valid
bool _isCacheValid(String key, Duration timeout) {
final timestamp = _cacheTimestamps[key];
if (timestamp == null) return false;
return DateTime.now().difference(timestamp) < timeout;
}
/// Clear specific cache entry
void clearCacheEntry(String key) {
_cache.remove(key);
_cacheTimestamps.remove(key);
_cache.invalidate(key);
DebugLogger.storage('Cache entry cleared: $key');
}
/// Clear all auth-related cache including server configs
void clearAuthCache() {
_cache.clear();
_cacheTimestamps.clear();
DebugLogger.storage('All auth cache cleared (including server configs and custom headers)');
DebugLogger.storage(
'All auth cache cleared (including server configs and custom headers)',
);
}
/// Clear expired cache entries
void cleanExpiredCache() {
final now = DateTime.now();
final expiredKeys = <String>[];
final stats = _cache.stats();
final entries = stats['entries'];
if (entries is! Map<String, dynamic>) return;
for (final entry in _cacheTimestamps.entries) {
// Use the longest timeout for cleanup to be conservative
if (now.difference(entry.value) > _longCache) {
expiredKeys.add(entry.key);
var expiredCount = 0;
entries.forEach((key, value) {
if (value is! Map) return;
final ageSeconds = value['ageSeconds'];
final ttlSeconds = value['ttlSeconds'];
if (ageSeconds is num && ttlSeconds is num && ageSeconds > ttlSeconds) {
_cache.invalidate(key);
expiredCount++;
}
});
if (expiredCount > 0) {
DebugLogger.storage('Cleaned $expiredCount expired auth cache entries');
}
}
for (final key in expiredKeys) {
_cache.remove(key);
_cacheTimestamps.remove(key);
}
Map<String, dynamic> getCacheStats() => _cache.stats();
if (expiredKeys.isNotEmpty) {
DebugLogger.storage(
'Cleaned ${expiredKeys.length} expired cache entries',
);
}
}
/// Get cache statistics for monitoring
Map<String, dynamic> getCacheStats() {
final now = DateTime.now();
final stats = <String, dynamic>{};
stats['totalEntries'] = _cache.length;
stats['entries'] = <String, Map<String, dynamic>>{};
for (final key in _cache.keys) {
final timestamp = _cacheTimestamps[key];
if (timestamp != null) {
stats['entries'][key] = {
'age': now.difference(timestamp).inSeconds,
'hasData': _cache[key] != null,
};
}
}
return stats;
}
/// Optimize cache by removing least recently used entries if cache gets too large
void optimizeCache() {
const maxCacheSize = 20; // Reasonable limit for auth cache
if (_cache.length <= maxCacheSize) return;
// Sort by timestamp (oldest first)
final sortedEntries = _cacheTimestamps.entries.toList()
..sort((a, b) => a.value.compareTo(b.value));
// Remove oldest entries
final entriesToRemove = sortedEntries.length - maxCacheSize;
for (int i = 0; i < entriesToRemove; i++) {
final key = sortedEntries[i].key;
_cache.remove(key);
_cacheTimestamps.remove(key);
// CacheManager enforces maxEntries using LRU; no extra work needed.
}
DebugLogger.storage(
'Cache optimized, removed $entriesToRemove old entries',
);
}
/// Cache state from AuthState for quick access
void cacheAuthState(AuthState authState) {
if (authState.user != null) {
cacheUserData(authState.user);
}
// Don't cache loading or error states
if (authState.status == AuthStatus.authenticated) {
_cache['auth_status'] = authState.status;
_cacheTimestamps['auth_status'] = DateTime.now();
_cache.write<AuthStatus>(
_authStatusKey,
authState.status,
ttl: _shortCache,
);
}
}
/// Get cached auth status
AuthStatus? getCachedAuthStatus() {
if (_isCacheValid('auth_status', _shortCache)) {
return _cache['auth_status'] as AuthStatus?;
}
return null;
final (hit: hit, value: status) = _cache.lookup<AuthStatus>(_authStatusKey);
return hit ? status : null;
}
}

136
lib/core/models/backend_config.dart
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@@ -3,15 +3,55 @@ import 'package:flutter/foundation.dart';
/// Subset of the backend `/api/config` response the app cares about.
@immutable
class BackendConfig {
const BackendConfig({this.enableWebsocket});
const BackendConfig({
this.enableWebsocket,
this.enableAudioInput,
this.enableAudioOutput,
this.sttProvider,
this.ttsProvider,
this.ttsVoice,
this.defaultSttLocale,
this.audioSampleRate,
this.audioFrameSize,
this.vadEnabled,
});
/// Mirrors `features.enable_websocket` from OpenWebUI.
final bool? enableWebsocket;
final bool? enableAudioInput;
final bool? enableAudioOutput;
final String? sttProvider;
final String? ttsProvider;
final String? ttsVoice;
final String? defaultSttLocale;
final int? audioSampleRate;
final int? audioFrameSize;
final bool? vadEnabled;
/// Returns a copy with updated fields.
BackendConfig copyWith({bool? enableWebsocket}) {
BackendConfig copyWith({
bool? enableWebsocket,
bool? enableAudioInput,
bool? enableAudioOutput,
String? sttProvider,
String? ttsProvider,
String? ttsVoice,
String? defaultSttLocale,
int? audioSampleRate,
int? audioFrameSize,
bool? vadEnabled,
}) {
return BackendConfig(
enableWebsocket: enableWebsocket ?? this.enableWebsocket,
enableAudioInput: enableAudioInput ?? this.enableAudioInput,
enableAudioOutput: enableAudioOutput ?? this.enableAudioOutput,
sttProvider: sttProvider ?? this.sttProvider,
ttsProvider: ttsProvider ?? this.ttsProvider,
ttsVoice: ttsVoice ?? this.ttsVoice,
defaultSttLocale: defaultSttLocale ?? this.defaultSttLocale,
audioSampleRate: audioSampleRate ?? this.audioSampleRate,
audioFrameSize: audioFrameSize ?? this.audioFrameSize,
vadEnabled: vadEnabled ?? this.vadEnabled,
);
}
@@ -37,28 +77,114 @@ class BackendConfig {
Map<String, dynamic> toJson() {
return <String, dynamic>{
'enable_websocket': enableWebsocket,
'enable_audio_input': enableAudioInput,
'enable_audio_output': enableAudioOutput,
'stt_provider': sttProvider,
'tts_provider': ttsProvider,
'tts_voice': ttsVoice,
'default_stt_locale': defaultSttLocale,
'audio_sample_rate': audioSampleRate,
'audio_frame_size': audioFrameSize,
'vad_enabled': vadEnabled,
};
}
static BackendConfig fromJson(Map<String, dynamic> json) {
bool? enableWebsocket;
bool? enableAudioInput;
bool? enableAudioOutput;
String? sttProvider;
String? ttsProvider;
String? ttsVoice;
String? defaultSttLocale;
int? audioSampleRate;
int? audioFrameSize;
bool? vadEnabled;
// Try canonical format first
final value = json['enable_websocket'];
if (value is bool) {
enableWebsocket = value;
}
final audioIn = json['enable_audio_input'];
if (audioIn is bool) enableAudioInput = audioIn;
final audioOut = json['enable_audio_output'];
if (audioOut is bool) enableAudioOutput = audioOut;
final stt = json['stt_provider'];
if (stt is String) sttProvider = stt;
final tts = json['tts_provider'];
if (tts is String) ttsProvider = tts;
final ttsVoiceValue = json['tts_voice'];
if (ttsVoiceValue is String) ttsVoice = ttsVoiceValue;
final defaultLocale = json['default_stt_locale'];
if (defaultLocale is String) defaultSttLocale = defaultLocale;
final sampleRate = json['audio_sample_rate'];
if (sampleRate is int) audioSampleRate = sampleRate;
final frameSize = json['audio_frame_size'];
if (frameSize is int) audioFrameSize = frameSize;
final vad = json['vad_enabled'];
if (vad is bool) vadEnabled = vad;
// Fallback to nested format for backwards compatibility
if (enableWebsocket == null) {
final features = json['features'];
if (features is Map<String, dynamic>) {
final nestedValue = features['enable_websocket'];
if (nestedValue is bool) {
if (nestedValue is bool && enableWebsocket == null) {
enableWebsocket = nestedValue;
}
final nestedAudioIn = features['enable_audio_input'];
if (nestedAudioIn is bool && enableAudioInput == null) {
enableAudioInput = nestedAudioIn;
}
final nestedAudioOut = features['enable_audio_output'];
if (nestedAudioOut is bool && enableAudioOutput == null) {
enableAudioOutput = nestedAudioOut;
}
final nestedStt = features['stt_provider'];
if (nestedStt is String && sttProvider == null) {
sttProvider = nestedStt;
}
final nestedTts = features['tts_provider'];
if (nestedTts is String && ttsProvider == null) {
ttsProvider = nestedTts;
}
final nestedVoice = features['tts_voice'];
if (nestedVoice is String && ttsVoice == null) {
ttsVoice = nestedVoice;
}
final nestedLocale = features['default_stt_locale'];
if (nestedLocale is String && defaultSttLocale == null) {
defaultSttLocale = nestedLocale;
}
final nestedSample = features['audio_sample_rate'];
if (nestedSample is int && audioSampleRate == null) {
audioSampleRate = nestedSample;
}
final nestedFrame = features['audio_frame_size'];
if (nestedFrame is int && audioFrameSize == null) {
audioFrameSize = nestedFrame;
}
final nestedVad = features['vad_enabled'];
if (nestedVad is bool && vadEnabled == null) {
vadEnabled = nestedVad;
}
}
return BackendConfig(enableWebsocket: enableWebsocket);
return BackendConfig(
enableWebsocket: enableWebsocket,
enableAudioInput: enableAudioInput,
enableAudioOutput: enableAudioOutput,
sttProvider: sttProvider,
ttsProvider: ttsProvider,
ttsVoice: ttsVoice,
defaultSttLocale: defaultSttLocale,
audioSampleRate: audioSampleRate,
audioFrameSize: audioFrameSize,
vadEnabled: vadEnabled,
);
}
}

77
lib/core/providers/app_providers.dart
View File

@@ -547,17 +547,88 @@ final apiTokenUpdaterProvider = Provider<void>((ref) {
@Riverpod(keepAlive: true)
Future<User?> currentUser(Ref ref) async {
final api = ref.read(apiServiceProvider);
final isAuthenticated = ref.watch(isAuthenticatedProvider2);
final authState = ref.watch(authStateManagerProvider);
final isAuthenticated = authState.maybeWhen(
data: (state) => state.isAuthenticated,
orElse: () => false,
);
if (api == null || !isAuthenticated) return null;
// Fast path: use user already in auth state.
final authUser = authState.maybeWhen(
data: (state) => state.user,
orElse: () => null,
);
if (authUser != null) return authUser;
// Next: try cached user from storage, then refresh in the background.
final storage = ref.read(optimizedStorageServiceProvider);
final cachedUser = await _getCachedUserWithAvatar(storage);
if (cachedUser != null) {
final lastRefresh = ref.read(_lastUserRefreshProvider);
final now = DateTime.now();
final shouldRefresh =
lastRefresh == null ||
now.difference(lastRefresh) > const Duration(minutes: 5);
if (shouldRefresh) {
Future.microtask(() async {
final fresh = await _refreshCurrentUser(ref);
if (fresh != null && ref.mounted) {
ref.read(_lastUserRefreshProvider.notifier).set(now);
ref.invalidate(currentUserProvider);
}
});
}
return cachedUser;
}
// Fallback: fetch fresh.
final fresh = await _refreshCurrentUser(ref);
if (fresh != null) {
ref.read(_lastUserRefreshProvider.notifier).set(DateTime.now());
}
return fresh;
}
Future<User?> _getCachedUserWithAvatar(OptimizedStorageService storage) async {
final cachedUser = await storage.getLocalUser();
if (cachedUser == null) return null;
final cachedAvatar = await storage.getLocalUserAvatar();
if (cachedAvatar == null ||
cachedAvatar.isEmpty ||
cachedUser.profileImage == cachedAvatar) {
return cachedUser;
}
return cachedUser.copyWith(profileImage: cachedAvatar);
}
Future<User?> _refreshCurrentUser(Ref ref) async {
final api = ref.read(apiServiceProvider);
if (api == null) return null;
try {
return await api.getCurrentUser();
} catch (e) {
final user = await api.getCurrentUser();
final storage = ref.read(optimizedStorageServiceProvider);
await storage.saveLocalUser(user);
if (user.profileImage != null && user.profileImage!.isNotEmpty) {
await storage.saveLocalUserAvatar(user.profileImage);
}
return user;
} catch (_) {
return null;
}
}
@Riverpod(keepAlive: true)
class _LastUserRefresh extends _$LastUserRefresh {
@override
DateTime? build() => null;
void set(DateTime? timestamp) => state = timestamp;
}
// Helper provider to force refresh auth state - now using unified system
final refreshAuthStateProvider = Provider<void>((ref) {
// This provider can be invalidated to force refresh the unified auth system

20
lib/core/services/optimized_storage_service.dart
View File

@@ -59,6 +59,10 @@ class OptimizedStorageService {
static const String _localFoldersKey = HiveStoreKeys.localFolders;
static const String _onboardingSeenKey = PreferenceKeys.onboardingSeen;
static const String _reviewerModeKey = PreferenceKeys.reviewerMode;
// Longer TTLs to reduce secure storage churn for OpenWebUI sessions.
static const Duration _authTokenTtl = Duration(hours: 12);
static const Duration _serverIdTtl = Duration(days: 7);
static const Duration _credentialsFlagTtl = Duration(hours: 12);
// ---------------------------------------------------------------------------
// Auth token APIs (secure storage + in-memory cache)
@@ -66,7 +70,7 @@ class OptimizedStorageService {
Future<void> saveAuthToken(String token) async {
try {
await _secureCredentialStorage.saveAuthToken(token);
_cacheManager.write(_authTokenKey, token);
_cacheManager.write(_authTokenKey, token, ttl: _authTokenTtl);
DebugLogger.log(
'Auth token saved and cached',
scope: 'storage/optimized',
@@ -91,7 +95,7 @@ class OptimizedStorageService {
try {
final token = await _secureCredentialStorage.getAuthToken();
if (token != null) {
_cacheManager.write(_authTokenKey, token);
_cacheManager.write(_authTokenKey, token, ttl: _authTokenTtl);
}
return token;
} catch (error) {
@@ -136,7 +140,7 @@ class OptimizedStorageService {
password: password,
);
_cacheManager.write('has_credentials', true);
_cacheManager.write('has_credentials', true, ttl: _credentialsFlagTtl);
DebugLogger.log(
'Credentials saved via optimized storage',
@@ -154,7 +158,11 @@ class OptimizedStorageService {
Future<Map<String, String>?> getSavedCredentials() async {
try {
final credentials = await _secureCredentialStorage.getSavedCredentials();
_cacheManager.write('has_credentials', credentials != null);
_cacheManager.write(
'has_credentials',
credentials != null,
ttl: _credentialsFlagTtl,
);
return credentials;
} catch (error) {
DebugLogger.log(
@@ -243,7 +251,7 @@ class OptimizedStorageService {
} else {
await _preferencesBox.delete(_activeServerIdKey);
}
_cacheManager.write(_activeServerIdKey, serverId);
_cacheManager.write(_activeServerIdKey, serverId, ttl: _serverIdTtl);
}
Future<String?> getActiveServerId() async {
@@ -254,7 +262,7 @@ class OptimizedStorageService {
return cachedId;
}
final serverId = _preferencesBox.get(_activeServerIdKey) as String?;
_cacheManager.write(_activeServerIdKey, serverId);
_cacheManager.write(_activeServerIdKey, serverId, ttl: _serverIdTtl);
return serverId;
}

4
lib/features/chat/views/chat_page.dart
View File

@@ -16,7 +16,6 @@ import '../providers/chat_providers.dart';
import '../../../core/utils/debug_logger.dart';
import '../../../core/utils/user_display_name.dart';
import '../../../core/utils/model_icon_utils.dart';
import '../../auth/providers/unified_auth_providers.dart';
import '../../../core/utils/android_assistant_handler.dart';
import '../widgets/modern_chat_input.dart';
import '../widgets/user_message_bubble.dart';
@@ -1128,8 +1127,7 @@ class _ChatPageState extends ConsumerState<ChatPage> {
data: (user) => user,
orElse: () => null,
);
final authUser = ref.watch(currentUserProvider2);
final user = userFromProfile ?? authUser;
final user = userFromProfile;
String? greetingName;
if (user != null) {
final derived = deriveUserDisplayName(user, fallback: '').trim();

4
lib/features/navigation/widgets/chats_drawer.dart
View File

@@ -17,7 +17,6 @@ import '../../../shared/widgets/themed_dialogs.dart';
import 'package:conduit/l10n/app_localizations.dart';
import '../../../core/utils/user_display_name.dart';
import '../../../core/utils/model_icon_utils.dart';
import '../../auth/providers/unified_auth_providers.dart';
import '../../../core/utils/user_avatar_utils.dart';
import '../../../shared/utils/conversation_context_menu.dart';
import '../../../shared/widgets/user_avatar.dart';
@@ -1483,8 +1482,7 @@ class _ChatsDrawerState extends ConsumerState<ChatsDrawer> {
data: (u) => u,
orElse: () => null,
);
final authUser = ref.watch(currentUserProvider2);
final user = userFromProfile ?? authUser;
final user = userFromProfile;
final api = ref.watch(apiServiceProvider);
String initialFor(String name) {

4
lib/features/onboarding/views/onboarding_sheet.dart
View File

@@ -8,7 +8,6 @@ import '../../../core/providers/app_providers.dart';
import '../../../core/utils/user_display_name.dart';
import '../../../shared/theme/theme_extensions.dart';
import '../../../shared/widgets/sheet_handle.dart';
import '../../auth/providers/unified_auth_providers.dart';
class OnboardingSheet extends ConsumerStatefulWidget {
const OnboardingSheet({super.key});
@@ -73,8 +72,7 @@ class _OnboardingSheetState extends ConsumerState<OnboardingSheet> {
data: (user) => user,
orElse: () => null,
);
final authUser = ref.watch(currentUserProvider2);
final user = userFromProfile ?? authUser;
final user = userFromProfile;
final greetingName = deriveUserDisplayName(user);
final pages = _buildPages(l10n, greetingName);
final pageCount = pages.length;