packages/moxxmpp/lib/moxxmpp.dart

@@ -1,7 +1,6 @@
 library moxxmpp;
 
 export 'package:moxxmpp/src/connection.dart';
-export 'package:moxxmpp/src/connectivity.dart';
 export 'package:moxxmpp/src/errors.dart';
 export 'package:moxxmpp/src/events.dart';
 export 'package:moxxmpp/src/iq.dart';

packages/moxxmpp/lib/src/connection.dart

@@ -4,7 +4,6 @@ import 'package:meta/meta.dart';
 import 'package:moxlib/moxlib.dart';
 import 'package:moxxmpp/src/awaiter.dart';
 import 'package:moxxmpp/src/buffer.dart';
-import 'package:moxxmpp/src/connectivity.dart';
 import 'package:moxxmpp/src/errors.dart';
 import 'package:moxxmpp/src/events.dart';
 import 'package:moxxmpp/src/iq.dart';
@@ -95,24 +94,22 @@ class XmppConnectionResult {
 class XmppConnection {
   XmppConnection(
     ReconnectionPolicy reconnectionPolicy,
-    ConnectivityManager connectivityManager,
     this._socket,
     {
       this.connectionPingDuration = const Duration(minutes: 3),
       this.connectingTimeout = const Duration(minutes: 2),
     }
-  ) : _reconnectionPolicy = reconnectionPolicy,
+  ) : _reconnectionPolicy = reconnectionPolicy {
-      _connectivityManager = connectivityManager {
+      // Allow the reconnection policy to perform reconnections by itself
-    // Allow the reconnection policy to perform reconnections by itself
+      _reconnectionPolicy.register(
-    _reconnectionPolicy.register(
+        _attemptReconnection,
-      _attemptReconnection,
+        _onNetworkConnectionLost,
-      _onNetworkConnectionLost,
+      );
-    );
 
-    _socketStream = _socket.getDataStream();
+      _socketStream = _socket.getDataStream();
-    // TODO(Unknown): Handle on done
+      // TODO(Unknown): Handle on done
-    _socketStream.transform(_streamBuffer).forEach(handleXmlStream);
+      _socketStream.transform(_streamBuffer).forEach(handleXmlStream);
-    _socket.getEventStream().listen(_handleSocketEvent);
+      _socket.getEventStream().listen(_handleSocketEvent);
   }
 
 
@@ -125,16 +122,13 @@ class XmppConnection {
   /// The data stream of the socket
   late final Stream<String> _socketStream;
 
+
   /// Connection settings
   late ConnectionSettings _connectionSettings;
 
   /// A policy on how to reconnect 
   final ReconnectionPolicy _reconnectionPolicy;
 
-  /// The class responsible for preventing errors on initial connection due
-  /// to no network.
-  final ConnectivityManager _connectivityManager;
-
   /// A helper for handling await semantics with stanzas
   final StanzaAwaiter _stanzaAwaiter = StanzaAwaiter();
   
@@ -223,47 +217,63 @@ class XmppConnection {
   /// none can be found.
   T? getNegotiatorById<T extends XmppFeatureNegotiatorBase>(String id) => _featureNegotiators[id] as T?;
   
-  /// Registers a list of [XmppManagerBase] sub-classes as managers on this connection.
+  /// Registers an [XmppManagerBase] sub-class as a manager on this connection.
-  Future<void> registerManagers(List<XmppManagerBase> managers) async {
+  /// [sortHandlers] should NOT be touched. It specified if the handler priorities
+  /// should be set up. The only time this should be false is when called via
+  /// [registerManagers].
+  void registerManager(XmppManagerBase manager, { bool sortHandlers = true }) {
+    _log.finest('Registering ${manager.getId()}');
+    manager.register(
+      XmppManagerAttributes(
+        sendStanza: sendStanza,
+        sendNonza: sendRawXML,
+        sendEvent: _sendEvent,
+        getConnectionSettings: () => _connectionSettings,
+        getManagerById: getManagerById,
+        isFeatureSupported: _serverFeatures.contains,
+        getFullJID: () => _connectionSettings.jid.withResource(_resource),
+        getSocket: () => _socket,
+        getConnection: () => this,
+        getNegotiatorById: getNegotiatorById,
+      ),
+    );
+
+    final id = manager.getId();
+    _xmppManagers[id] = manager;
+
+    if (id == discoManager) {
+      // NOTE: It is intentional that we do not exclude the [DiscoManager] from this
+      //       loop. It may also register features.
+      for (final registeredManager in _xmppManagers.values) {
+        (manager as DiscoManager).addDiscoFeatures(registeredManager.getDiscoFeatures());
+      }
+    } else if (_xmppManagers.containsKey(discoManager)) {
+      (_xmppManagers[discoManager]! as DiscoManager).addDiscoFeatures(manager.getDiscoFeatures());
+    }
+
+    _incomingStanzaHandlers.addAll(manager.getIncomingStanzaHandlers());
+    _incomingPreStanzaHandlers.addAll(manager.getIncomingPreStanzaHandlers());
+    _outgoingPreStanzaHandlers.addAll(manager.getOutgoingPreStanzaHandlers());
+    _outgoingPostStanzaHandlers.addAll(manager.getOutgoingPostStanzaHandlers());
+    
+    if (sortHandlers) {
+      _incomingStanzaHandlers.sort(stanzaHandlerSortComparator);
+      _incomingPreStanzaHandlers.sort(stanzaHandlerSortComparator);
+      _outgoingPreStanzaHandlers.sort(stanzaHandlerSortComparator);
+      _outgoingPostStanzaHandlers.sort(stanzaHandlerSortComparator);
+    }
+  }
+
+  /// Like [registerManager], but for a list of managers.
+  void registerManagers(List<XmppManagerBase> managers) {
     for (final manager in managers) {
-      _log.finest('Registering ${manager.getId()}');
+      registerManager(manager, sortHandlers: false);
-      manager.register(
-        XmppManagerAttributes(
-          sendStanza: sendStanza,
-          sendNonza: sendRawXML,
-          sendEvent: _sendEvent,
-          getConnectionSettings: () => _connectionSettings,
-          getManagerById: getManagerById,
-          isFeatureSupported: _serverFeatures.contains,
-          getFullJID: () => _connectionSettings.jid.withResource(_resource),
-          getSocket: () => _socket,
-          getConnection: () => this,
-          getNegotiatorById: getNegotiatorById,
-        ),
-      );
-
-      final id = manager.getId();
-      _xmppManagers[id] = manager;
-
-      _incomingStanzaHandlers.addAll(manager.getIncomingStanzaHandlers());
-      _incomingPreStanzaHandlers.addAll(manager.getIncomingPreStanzaHandlers());
-      _outgoingPreStanzaHandlers.addAll(manager.getOutgoingPreStanzaHandlers());
-      _outgoingPostStanzaHandlers.addAll(manager.getOutgoingPostStanzaHandlers());
     }
 
     // Sort them
     _incomingStanzaHandlers.sort(stanzaHandlerSortComparator);
-    _incomingPreStanzaHandlers.sort(stanzaHandlerSortComparator);
     _outgoingPreStanzaHandlers.sort(stanzaHandlerSortComparator);
     _outgoingPostStanzaHandlers.sort(stanzaHandlerSortComparator);
-
-    // Run the post register callbacks
-    for (final manager in _xmppManagers.values) {
-      if (!manager.initialized) {
-        _log.finest('Running post-registration callback for ${manager.getName()}');
-        await manager.postRegisterCallback();
-      }
-    }
   }
   
   /// Register a list of negotiator with the connection.
@@ -368,7 +378,7 @@ class XmppConnection {
     // Connect again
     // ignore: cascade_invocations
     _log.finest('Calling connect() from _attemptReconnection');
-    await connect(waitForConnection: true);
+    await connect();
   }
   
   /// Called when a stream ending error has occurred
@@ -391,11 +401,7 @@ class XmppConnection {
       return;
     }
 
-    if (await _connectivityManager.hasConnection()) {
+    await _setConnectionState(XmppConnectionState.error);
-      await _setConnectionState(XmppConnectionState.error);
-    } else {
-      await _setConnectionState(XmppConnectionState.notConnected);
-    }
     await _reconnectionPolicy.onFailure();
   }
 
@@ -826,6 +832,7 @@ class XmppConnection {
         if (_isMandatoryNegotiationDone(_streamFeatures) && !_isNegotiationPossible(_streamFeatures)) {
           _log.finest('Negotiations done!');
           _updateRoutingState(RoutingState.handleStanzas);
+          await _reconnectionPolicy.onSuccess();
           await _resetIsConnectionRunning();
           await _onNegotiationsDone();
         } else {
@@ -850,6 +857,7 @@ class XmppConnection {
         _log.finest('Negotiations done!');
 
         _updateRoutingState(RoutingState.handleStanzas);
+        await _reconnectionPolicy.onSuccess();
         await _resetIsConnectionRunning();
         await _onNegotiationsDone();
       } else {
@@ -867,6 +875,7 @@ class XmppConnection {
       _log.finest('Negotiator wants to skip the remaining negotiation... Negotiations (assumed) done!');
 
       _updateRoutingState(RoutingState.handleStanzas);
+      await _reconnectionPolicy.onSuccess();
       await _resetIsConnectionRunning();
       await _onNegotiationsDone();
       break;
@@ -978,7 +987,7 @@ class XmppConnection {
   }
 
   Future<void> _disconnect({required XmppConnectionState state, bool triggeredByUser = true}) async {
-    await _reconnectionPolicy.setShouldReconnect(false);
+    _reconnectionPolicy.setShouldReconnect(false);
 
     if (triggeredByUser) {
       getPresenceManager().sendUnavailablePresence();
@@ -1009,21 +1018,17 @@ class XmppConnection {
   
   /// Like [connect] but the Future resolves when the resource binding is either done or
   /// SASL has failed.
-  Future<XmppConnectionResult> connectAwaitable({ String? lastResource, bool waitForConnection = false }) async {
+  Future<XmppConnectionResult> connectAwaitable({ String? lastResource }) async {
     _runPreConnectionAssertions();
     await _resetIsConnectionRunning();
     _connectionCompleter = Completer();
     _log.finest('Calling connect() from connectAwaitable');
-    await connect(
+    await connect(lastResource: lastResource);
-      lastResource: lastResource,
-      waitForConnection: waitForConnection,
-      shouldReconnect: false,
-    );
     return _connectionCompleter!.future;
   }
  
   /// Start the connection process using the provided connection settings.
-  Future<void> connect({ String? lastResource, bool waitForConnection = false, bool shouldReconnect = true }) async {
+  Future<void> connect({ String? lastResource }) async {
     if (_connectionState != XmppConnectionState.notConnected && _connectionState != XmppConnectionState.error) {
       _log.fine('Cancelling this connection attempt as one appears to be already running.');
       return;
@@ -1031,25 +1036,15 @@ class XmppConnection {
     
     _runPreConnectionAssertions();
     await _resetIsConnectionRunning();
+    _reconnectionPolicy.setShouldReconnect(true);
     
     if (lastResource != null) {
       setResource(lastResource);
     }
 
-    if (shouldReconnect) {
-      await _reconnectionPolicy.setShouldReconnect(true);
-    }
-
     await _reconnectionPolicy.reset();
     await _sendEvent(ConnectingEvent());
 
-    // If requested, wait until we have a network connection
-    if (waitForConnection) {
-      _log.info('Waiting for okay from connectivityManager');
-      await _connectivityManager.waitForConnection();
-      _log.info('Got okay from connectivityManager');
-    }
-    
     final smManager = getStreamManagementManager();
     String? host;
     int? port;

packages/moxxmpp/lib/src/connectivity.dart

@@ -1,18 +0,0 @@
-/// This manager class is responsible to tell the moxxmpp XmppConnection
-/// when a connection can be established or not, regarding the network availability.
-abstract class ConnectivityManager {
-  /// Returns true if a network connection is available. If not, returns false.
-  Future<bool> hasConnection();
-
-  /// Returns a future that resolves once we have a network connection.
-  Future<void> waitForConnection();
-}
-
-/// An implementation of [ConnectivityManager] that is always connected.
-class AlwaysConnectedConnectivityManager extends ConnectivityManager {
-  @override
-  Future<bool> hasConnection() async => true;
-
-  @override
-  Future<void> waitForConnection() async {}
-}

packages/moxxmpp/lib/src/managers/base.dart

@@ -1,21 +1,14 @@
 import 'package:logging/logging.dart';
-import 'package:meta/meta.dart';
 import 'package:moxxmpp/src/events.dart';
 import 'package:moxxmpp/src/managers/attributes.dart';
 import 'package:moxxmpp/src/managers/data.dart';
 import 'package:moxxmpp/src/managers/handlers.dart';
-import 'package:moxxmpp/src/managers/namespaces.dart';
 import 'package:moxxmpp/src/stringxml.dart';
-import 'package:moxxmpp/src/xeps/xep_0030/types.dart';
-import 'package:moxxmpp/src/xeps/xep_0030/xep_0030.dart';
 
 abstract class XmppManagerBase {
   late final XmppManagerAttributes _managerAttributes;
   late final Logger _log;
 
-  /// Flag indicating that the post registration callback has been called once.
-  bool initialized = false;
-  
   /// Registers the callbacks from XmppConnection with the manager
   void register(XmppManagerAttributes attributes) {
     _managerAttributes = attributes;
@@ -56,9 +49,6 @@ abstract class XmppManagerBase {
   /// Return a list of features that should be included in a disco response.
   List<String> getDiscoFeatures() => [];
   
-  /// Return a list of identities that should be included in a disco response.
-  List<Identity> getDiscoIdentities() => [];
-  
   /// Return the Id (akin to xmlns) of this manager.
   String getId();
 
@@ -74,24 +64,6 @@ abstract class XmppManagerBase {
   /// Returns true if the XEP is supported on the server. If not, returns false
   Future<bool> isSupported();
   
-  /// Called after the registration of all managers against the XmppConnection is done.
-  /// This method is only called once during the entire lifetime of it.
-  @mustCallSuper
-  Future<void> postRegisterCallback() async {
-    initialized = true;
-
-    final disco = getAttributes().getManagerById<DiscoManager>(discoManager);
-    if (disco != null) {
-      if (getDiscoFeatures().isNotEmpty) {
-        disco.addFeatures(getDiscoFeatures());
-      }
-
-      if (getDiscoIdentities().isNotEmpty) {
-        disco.addIdentities(getDiscoIdentities());
-      }
-    }
-  }
-  
   /// Runs all NonzaHandlers of this Manager which match the nonza. Resolves to true if
   /// the nonza has been handled by one of the handlers. Resolves to false otherwise.
   Future<bool> runNonzaHandlers(XMLNode nonza) async {

packages/moxxmpp/lib/src/managers/namespaces.dart

@@ -1,25 +1,25 @@
-const smManager = 'org.moxxmpp.streammangementmanager';
+const smManager = 'im.moxxmpp.streammangementmanager';
-const discoManager = 'org.moxxmpp.discomanager';
+const discoManager = 'im.moxxmpp.discomanager';
-const messageManager = 'org.moxxmpp.messagemanager';
+const messageManager = 'im.moxxmpp.messagemanager';
-const rosterManager = 'org.moxxmpp.rostermanager';
+const rosterManager = 'im.moxxmpp.rostermanager';
-const presenceManager = 'org.moxxmpp.presencemanager';
+const presenceManager = 'im.moxxmpp.presencemanager';
-const csiManager = 'org.moxxmpp.csimanager';
+const csiManager = 'im.moxxmpp.csimanager';
-const carbonsManager = 'org.moxxmpp.carbonsmanager';
+const carbonsManager = 'im.moxxmpp.carbonsmanager';
-const vcardManager = 'org.moxxmpp.vcardmanager';
+const vcardManager = 'im.moxxmpp.vcardmanager';
-const pubsubManager = 'org.moxxmpp.pubsubmanager';
+const pubsubManager = 'im.moxxmpp.pubsubmanager';
-const userAvatarManager = 'org.moxxmpp.useravatarmanager';
+const userAvatarManager = 'im.moxxmpp.useravatarmanager';
-const stableIdManager = 'org.moxxmpp.stableidmanager';
+const stableIdManager = 'im.moxxmpp.stableidmanager';
-const simsManager = 'org.moxxmpp.simsmanager';
+const simsManager = 'im.moxxmpp.simsmanager';
-const messageDeliveryReceiptManager = 'org.moxxmpp.messagedeliveryreceiptmanager';
+const messageDeliveryReceiptManager = 'im.moxxmpp.messagedeliveryreceiptmanager';
-const chatMarkerManager = 'org.moxxmpp.chatmarkermanager';
+const chatMarkerManager = 'im.moxxmpp.chatmarkermanager';
-const oobManager = 'org.moxxmpp.oobmanager';
+const oobManager = 'im.moxxmpp.oobmanager';
-const sfsManager = 'org.moxxmpp.sfsmanager';
+const sfsManager = 'im.moxxmpp.sfsmanager';
-const messageRepliesManager = 'org.moxxmpp.messagerepliesmanager';
+const messageRepliesManager = 'im.moxxmpp.messagerepliesmanager';
-const blockingManager = 'org.moxxmpp.blockingmanager';
+const blockingManager = 'im.moxxmpp.blockingmanager';
-const httpFileUploadManager = 'org.moxxmpp.httpfileuploadmanager';
+const httpFileUploadManager = 'im.moxxmpp.httpfileuploadmanager';
-const chatStateManager = 'org.moxxmpp.chatstatemanager';
+const chatStateManager = 'im.moxxmpp.chatstatemanager';
-const pingManager = 'org.moxxmpp.ping';
+const pingManager = 'im.moxxmpp.ping';
-const fileUploadNotificationManager = 'org.moxxmpp.fileuploadnotificationmanager';
+const fileUploadNotificationManager = 'im.moxxmpp.fileuploadnotificationmanager';
 const omemoManager = 'org.moxxmpp.omemomanager';
 const emeManager = 'org.moxxmpp.ememanager';
 const cryptographicHashManager = 'org.moxxmpp.cryptographichashmanager';
@@ -28,4 +28,3 @@ const messageRetractionManager = 'org.moxxmpp.messageretractionmanager';
 const lastMessageCorrectionManager = 'org.moxxmpp.lastmessagecorrectionmanager';
 const messageReactionsManager = 'org.moxxmpp.messagereactionsmanager';
 const stickersManager = 'org.moxxmpp.stickersmanager';
-const entityCapabilitiesManager = 'org.moxxmpp.entitycapabilities';

packages/moxxmpp/lib/src/presence.dart

@@ -8,19 +8,17 @@ import 'package:moxxmpp/src/managers/namespaces.dart';
 import 'package:moxxmpp/src/namespaces.dart';
 import 'package:moxxmpp/src/stanza.dart';
 import 'package:moxxmpp/src/stringxml.dart';
+import 'package:moxxmpp/src/xeps/xep_0030/types.dart';
+import 'package:moxxmpp/src/xeps/xep_0030/xep_0030.dart';
+import 'package:moxxmpp/src/xeps/xep_0115.dart';
+import 'package:moxxmpp/src/xeps/xep_0414.dart';
 
-/// A function that will be called when presence, outside of subscription request
-/// management, will be sent. Useful for managers that want to add [XMLNode]s to said
-/// presence.
-typedef PresencePreSendCallback = Future<List<XMLNode>> Function();
-
-/// A mandatory manager that handles initial presence sending, sending of subscription
-/// request management requests and triggers events for incoming presence stanzas.
 class PresenceManager extends XmppManagerBase {
-  PresenceManager() : super();
+  PresenceManager(this._capHashNode) : _capabilityHash = null, super();
+  String? _capabilityHash;
+  final String _capHashNode;
 
-  /// The list of pre-send callbacks.
+  String get capabilityHashNode => _capHashNode;
-  final List<PresencePreSendCallback> _presenceCallbacks = List.empty(growable: true);
   
   @override
   String getId() => presenceManager;
@@ -42,11 +40,6 @@ class PresenceManager extends XmppManagerBase {
   @override
   Future<bool> isSupported() async => true;
   
-  /// Register the pre-send callback [callback].
-  void registerPreSendCallback(PresencePreSendCallback callback) {
-    _presenceCallbacks.add(callback);
-  }
-  
   Future<StanzaHandlerData> _onPresence(Stanza presence, StanzaHandlerData state) async {
     final attrs = getAttributes();
     switch (presence.type) {
@@ -70,26 +63,43 @@ class PresenceManager extends XmppManagerBase {
     return state;
   }
 
+  /// Returns the capability hash.
+  Future<String> getCapabilityHash() async {
+    final manager = getAttributes().getManagerById(discoManager)! as DiscoManager;
+    _capabilityHash ??= await calculateCapabilityHash(
+      DiscoInfo(
+        manager.getRegisteredDiscoFeatures(),
+        manager.getIdentities(),
+        [],
+        getAttributes().getFullJID(),
+      ),
+      getHashByName('sha-1')!,
+    );
+
+    return _capabilityHash!;
+  }
+  
   /// Sends the initial presence to enable receiving messages.
   Future<void> sendInitialPresence() async {
-    final children = List<XMLNode>.from([
-      XMLNode(
-        tag: 'show',
-        text: 'chat',
-      ),
-    ]);
-
-    for (final callback in _presenceCallbacks) {
-      children.addAll(
-        await callback(),
-      );
-    }
-
     final attrs = getAttributes();
     attrs.sendNonza(
       Stanza.presence(
         from: attrs.getFullJID().toString(),
-        children: children,
+        children: [
+          XMLNode(
+            tag: 'show',
+            text: 'chat',
+          ),
+          XMLNode.xmlns(
+            tag: 'c',
+            xmlns: capsXmlns,
+            attributes: {
+              'hash': 'sha-1',
+              'node': _capHashNode,
+              'ver': await getCapabilityHash()
+            },
+          )
+        ],
       ),
     );
   }

packages/moxxmpp/lib/src/reconnect.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 import 'dart:math';
 import 'package:logging/logging.dart';
 import 'package:meta/meta.dart';
-import 'package:moxxmpp/src/util/queue.dart';
 import 'package:synchronized/synchronized.dart';
 
 /// A callback function to be called when the connection to the server has been lost.
@@ -25,16 +24,10 @@ abstract class ReconnectionPolicy {
   bool _shouldAttemptReconnection = false;
 
   /// Indicate if a reconnection attempt is currently running.
-  @protected
+  bool _isReconnecting = false;
-  bool isReconnecting = false;
 
   /// And the corresponding lock
-  @protected
+  final Lock _isReconnectingLock = Lock();
-  final Lock lock = Lock();
-
-  /// The lock for accessing [_shouldAttemptReconnection]
-  @protected
-  final Lock shouldReconnectLock = Lock();
   
   /// Called by XmppConnection to register the policy.
   void register(PerformReconnectFunction performReconnect, ConnectionLostCallback triggerConnectionLost) {
@@ -55,121 +48,96 @@ abstract class ReconnectionPolicy {
   /// Caled by the XmppConnection when the reconnection was successful.
   Future<void> onSuccess();
 
-  Future<bool> getShouldReconnect() async {
+  bool get shouldReconnect => _shouldAttemptReconnection;
-    return shouldReconnectLock.synchronized(() => _shouldAttemptReconnection);
-  }
 
   /// Set whether a reconnection attempt should be made.
-  Future<void> setShouldReconnect(bool value) async {
+  void setShouldReconnect(bool value) {
-    return shouldReconnectLock.synchronized(() => _shouldAttemptReconnection = value);
+    _shouldAttemptReconnection = value;
   }
 
   /// Returns true if the manager is currently triggering a reconnection. If not, returns
   /// false.
   Future<bool> isReconnectionRunning() async {
-    return lock.synchronized(() => isReconnecting);
+    return _isReconnectingLock.synchronized(() => _isReconnecting);
   }
 
-  /// Set the isReconnecting state to [value].
+  /// Set the _isReconnecting state to [value].
   @protected
   Future<void> setIsReconnecting(bool value) async {
-    await lock.synchronized(() async {
+    await _isReconnectingLock.synchronized(() async {
-      isReconnecting = value;
+      _isReconnecting = value;
     });
   }
 
+  @protected
+  Future<bool> testAndSetIsReconnecting() async {
+    return _isReconnectingLock.synchronized(() {
+      if (_isReconnecting) {
+        return false;
+      } else {
+        _isReconnecting = true;
+        return true;
+      }
+    });
+  }
 }
 
 /// A simple reconnection strategy: Make the reconnection delays exponentially longer
 /// for every failed attempt.
 /// NOTE: This ReconnectionPolicy may be broken
-class RandomBackoffReconnectionPolicy extends ReconnectionPolicy {
+class ExponentialBackoffReconnectionPolicy extends ReconnectionPolicy {
-  RandomBackoffReconnectionPolicy(
+  ExponentialBackoffReconnectionPolicy(this._maxBackoffTime) : super();
-    this._minBackoffTime,
-    this._maxBackoffTime,
-  ) : assert(_minBackoffTime < _maxBackoffTime, '_minBackoffTime must be smaller than _maxBackoffTime'),
-      super();
 
-  /// The maximum time in seconds that a backoff should be.
+  /// The maximum time in seconds that a backoff step should be.
   final int _maxBackoffTime;
 
-  /// The minimum time in seconds that a backoff should be.
+  /// Amount of consecutive failed reconnections.
-  final int _minBackoffTime;
+  int _counter = 0;
 
   /// Backoff timer.
   Timer? _timer;
 
-  final Lock _timerLock = Lock();
-
   /// Logger.
-  final Logger _log = Logger('RandomBackoffReconnectionPolicy');
+  final Logger _log = Logger('ExponentialBackoffReconnectionPolicy');
-
-  /// Event queue
-  final AsyncQueue _eventQueue = AsyncQueue();
 
   /// Called when the backoff expired
   Future<void> _onTimerElapsed() async {
-    _log.fine('Timer elapsed. Waiting for lock');
+    final isReconnecting = await isReconnectionRunning();
-    await lock.synchronized(() async {
+    if (shouldReconnect) {
-      _log.fine('Lock aquired');
+      if (!isReconnecting) {
-      if (!(await getShouldReconnect())) {
+        await setIsReconnecting(true);
-        _log.fine('Backoff timer expired but getShouldReconnect() returned false');
+        await performReconnect!();
-        return;
+      } else {
+        // Should never happen.
+        _log.fine('Backoff timer expired but reconnection is running, so doing nothing.');
       }
-
+    }
-      if (isReconnecting) {
-        _log.fine('Backoff timer expired but a reconnection is running, so doing nothing.');
-        return;
-      }
-
-      _log.fine('Triggering reconnect');
-      isReconnecting = true;
-      await performReconnect!();
-    });
-
-    await _timerLock.synchronized(() {
-      _timer?.cancel();
-      _timer = null;
-    });
-  }
-
-  Future<void> _reset() async {
-    _log.finest('Resetting internal state');
-
-    await _timerLock.synchronized(() {
-      _timer?.cancel();
-      _timer = null;
-    });
-
-    await setIsReconnecting(false);
   }
   
   @override
   Future<void> reset() async {
-    // ignore: unnecessary_lambdas
+    _log.finest('Resetting internal state');
-    await _eventQueue.addJob(() => _reset());
+    _counter = 0;
-  }
+    await setIsReconnecting(false);
 
-  Future<void> _onFailure() async {
+    if (_timer != null) {
-    final shouldContinue = await _timerLock.synchronized(() {
+      _timer!.cancel();
-      return _timer == null;
+      _timer = null;
-    });
-    if (!shouldContinue) {
-      _log.finest('_onFailure: Not backing off since _timer is already running');
-      return;
     }
-
-    final seconds = Random().nextInt(_maxBackoffTime - _minBackoffTime) + _minBackoffTime;
-    _log.finest('Failure occured. Starting random backoff with ${seconds}s');
-    _timer?.cancel();
-
-    _timer = Timer(Duration(seconds: seconds), _onTimerElapsed);
   }
 
   @override
   Future<void> onFailure() async {
-    // ignore: unnecessary_lambdas
+    _log.finest('Failure occured. Starting exponential backoff');
-    await _eventQueue.addJob(() => _onFailure());
+    _counter++;
+
+    if (_timer != null) {
+      _timer!.cancel();
+    }
+
+    // Wait at max 80 seconds.
+    final seconds = min(min(pow(2, _counter).toInt(), 80), _maxBackoffTime);
+    _timer = Timer(Duration(seconds: seconds), _onTimerElapsed);
   }
 
   @override

packages/moxxmpp/lib/src/util/queue.dart

@@ -1,56 +0,0 @@
-import 'dart:async';
-import 'dart:collection';
-import 'package:meta/meta.dart';
-import 'package:synchronized/synchronized.dart';
-
-/// A job to be submitted to an [AsyncQueue].
-typedef AsyncQueueJob = Future<void> Function();
-
-/// A (hopefully) async-safe queue that attempts to force
-/// in-order execution of its jobs.
-class AsyncQueue {
-  /// The lock for accessing [AsyncQueue._lock] and [AsyncQueue._running].
-  final Lock _lock = Lock();
-
-  /// The actual job queue.
-  final Queue<AsyncQueueJob> _queue = Queue<AsyncQueueJob>();
-  
-  /// Indicates whether we are currently executing a job.
-  bool _running = false;
-
-  @visibleForTesting
-  Queue<AsyncQueueJob> get queue => _queue;
-
-  @visibleForTesting
-  bool get isRunning => _running;
-  
-  /// Adds a job [job] to the queue.
-  Future<void> addJob(AsyncQueueJob job) async {
-    await _lock.synchronized(() {
-      _queue.add(job);
-
-      if (!_running && _queue.isNotEmpty) {
-        _running = true;
-        unawaited(_popJob());
-      }
-    });
-  }
-
-  Future<void> clear() async {
-    await _lock.synchronized(_queue.clear);
-  }
-  
-  Future<void> _popJob() async {
-    final job = _queue.removeFirst();
-    final future = job();
-    await future;
-
-    await _lock.synchronized(() {
-      if (_queue.isNotEmpty) {
-        unawaited(_popJob());
-      } else {
-        _running = false;
-      }
-    });
-  }
-}

packages/moxxmpp/lib/src/xeps/xep_0004.dart

@@ -3,6 +3,7 @@ import 'package:moxxmpp/src/namespaces.dart';
 import 'package:moxxmpp/src/stringxml.dart';
 
 class DataFormOption {
+
   const DataFormOption({ required this.value, this.label });
   final String? label;
   final String value;
@@ -22,6 +23,7 @@ class DataFormOption {
 }
 
 class DataFormField {
+
   const DataFormField({
       required this.options,
       required this.values,
@@ -58,6 +60,7 @@ class DataFormField {
 }
 
 class DataForm {
+
   const DataForm({
       required this.type,
       required this.instructions,

packages/moxxmpp/lib/src/xeps/xep_0030/helpers.dart

@@ -6,20 +6,20 @@ import 'package:moxxmpp/src/stringxml.dart';
 
 Stanza buildDiscoInfoQueryStanza(String entity, String? node) {
   return Stanza.iq(to: entity, type: 'get', children: [
-    XMLNode.xmlns(
+      XMLNode.xmlns(
-      tag: 'query',
+        tag: 'query',
-      xmlns: discoInfoXmlns,
+        xmlns: discoInfoXmlns,
-      attributes: node != null ? { 'node': node } : {},
+        attributes: node != null ? { 'node': node } : {},
-    )
+      )
   ],);
 }
 
 Stanza buildDiscoItemsQueryStanza(String entity, { String? node }) {
   return Stanza.iq(to: entity, type: 'get', children: [
-    XMLNode.xmlns(
+      XMLNode.xmlns(
-      tag: 'query',
+        tag: 'query',
-      xmlns: discoItemsXmlns,
+        xmlns: discoItemsXmlns,
-      attributes: node != null ? { 'node': node } : {},
+        attributes: node != null ? { 'node': node } : {},
-    )
+      )
   ],);
 }

packages/moxxmpp/lib/src/xeps/xep_0030/types.dart

@@ -1,10 +1,9 @@
-import 'package:meta/meta.dart';
 import 'package:moxxmpp/src/jid.dart';
-import 'package:moxxmpp/src/namespaces.dart';
 import 'package:moxxmpp/src/stringxml.dart';
 import 'package:moxxmpp/src/xeps/xep_0004.dart';
 
 class Identity {
+
   const Identity({ required this.category, required this.type, this.name, this.lang });
   final String category;
   final String type;
@@ -24,96 +23,24 @@ class Identity {
   }
 }
 
-@immutable
 class DiscoInfo {
+
   const DiscoInfo(
     this.features,
     this.identities,
     this.extendedInfo,
-    this.node,
     this.jid,
   );
-
-  factory DiscoInfo.fromQuery(XMLNode query, JID jid) {
-    final features = List<String>.empty(growable: true);
-    final identities = List<Identity>.empty(growable: true);
-    final extendedInfo = List<DataForm>.empty(growable: true);
-
-    for (final element in query.children) {
-      if (element.tag == 'feature') {
-        features.add(element.attributes['var']! as String);
-      } else if (element.tag == 'identity') {
-        identities.add(
-          Identity(
-            category: element.attributes['category']! as String,
-            type: element.attributes['type']! as String,
-            name: element.attributes['name'] as String?,
-          ),
-        );
-      } else if (element.tag == 'x' && element.attributes['xmlns'] == dataFormsXmlns) {
-        extendedInfo.add(
-          parseDataForm(element),
-        );
-      }
-    }
-
-    return DiscoInfo(
-      features,
-      identities,
-      extendedInfo,
-      query.attributes['node'] as String?,
-      jid,
-    );
-  }
-
   final List<String> features;
   final List<Identity> identities;
   final List<DataForm> extendedInfo;
-  final String? node;
+  final JID jid;
-  final JID? jid;
-
-  XMLNode toXml() {
-    return XMLNode.xmlns(
-      tag: 'query',
-      xmlns: discoInfoXmlns,
-      attributes: node != null ?
-        <String, String>{ 'node': node!, } :
-        <String, String>{},
-      children: [
-        ...identities.map((identity) => identity.toXMLNode()),
-        ...features.map((feature) => XMLNode(
-          tag: 'feature',
-          attributes: { 'var': feature, },
-        ),),
-        
-        if (extendedInfo.isNotEmpty)
-          ...extendedInfo.map((ei) => ei.toXml()),
-      ],
-    );
-  }
 }
 
-@immutable
 class DiscoItem {
+
   const DiscoItem({ required this.jid, this.node, this.name });
   final String jid;
   final String? node;
   final String? name;
-
-  XMLNode toXml() {
-    final attributes = {
-      'jid': jid,
-    };
-    if (node != null) {
-      attributes['node'] = node!;
-    }
-    if (name != null) {
-      attributes['name'] = name!;
-    }
-
-    return XMLNode(
-      tag: 'node',
-      attributes: attributes,
-    );
-  }
 }

packages/moxxmpp/lib/src/xeps/xep_0030/xep_0030.dart

@@ -7,21 +7,17 @@ import 'package:moxxmpp/src/managers/data.dart';
 import 'package:moxxmpp/src/managers/handlers.dart';
 import 'package:moxxmpp/src/managers/namespaces.dart';
 import 'package:moxxmpp/src/namespaces.dart';
+import 'package:moxxmpp/src/presence.dart';
 import 'package:moxxmpp/src/stanza.dart';
 import 'package:moxxmpp/src/stringxml.dart';
 import 'package:moxxmpp/src/types/result.dart';
+import 'package:moxxmpp/src/xeps/xep_0004.dart';
 import 'package:moxxmpp/src/xeps/xep_0030/errors.dart';
 import 'package:moxxmpp/src/xeps/xep_0030/helpers.dart';
 import 'package:moxxmpp/src/xeps/xep_0030/types.dart';
 import 'package:moxxmpp/src/xeps/xep_0115.dart';
 import 'package:synchronized/synchronized.dart';
 
-/// Callback that is called when a disco#info requests is received on a given node.
-typedef DiscoInfoRequestCallback = Future<DiscoInfo> Function();
-
-/// Callback that is called when a disco#items requests is received on a given node.
-typedef DiscoItemsRequestCallback = Future<List<DiscoItem>> Function();
-
 @immutable
 class DiscoCacheKey {
   const DiscoCacheKey(this.jid, this.node);
@@ -37,48 +33,32 @@ class DiscoCacheKey {
   int get hashCode => jid.hashCode ^ node.hashCode;
 }
 
-/// This manager implements XEP-0030 by providing a way of performing disco#info and
-/// disco#items requests and answering those requests.
-/// A caching mechanism is also provided.
 class DiscoManager extends XmppManagerBase {
-  /// [identities] is a list of disco identities that should be added by default
+  DiscoManager()
-  /// to a disco#info response.
+    : _features = List.empty(growable: true),
-  DiscoManager(List<Identity> identities)
+      _capHashCache = {},
-    : _identities = List<Identity>.from(identities),
+      _capHashInfoCache = {},
+      _discoInfoCache = {},
+      _runningInfoQueries = {},
+      _cacheLock = Lock(),
       super();
-
   /// Our features
-  final List<String> _features = List.empty(growable: true);
+  final List<String> _features;
-
-  /// Disco identities that we advertise
-  final List<Identity> _identities;
 
   /// Map full JID to Capability hashes
-  final Map<String, CapabilityHashInfo> _capHashCache = {};
+  final Map<String, CapabilityHashInfo> _capHashCache;
 
   /// Map capability hash to the disco info
-  final Map<String, DiscoInfo> _capHashInfoCache = {};
+  final Map<String, DiscoInfo> _capHashInfoCache;
 
   /// Map full JID to Disco Info
-  final Map<DiscoCacheKey, DiscoInfo> _discoInfoCache = {};
+  final Map<DiscoCacheKey, DiscoInfo> _discoInfoCache;
 
   /// Mapping the full JID to a list of running requests
-  final Map<DiscoCacheKey, List<Completer<Result<DiscoError, DiscoInfo>>>> _runningInfoQueries = {};
+  final Map<DiscoCacheKey, List<Completer<Result<DiscoError, DiscoInfo>>>> _runningInfoQueries;
 
   /// Cache lock
-  final Lock _cacheLock = Lock();
+  final Lock _cacheLock;
-
-  /// disco#info callbacks: node -> Callback
-  final Map<String, DiscoInfoRequestCallback> _discoInfoCallbacks = {};
-
-  /// disco#items callbacks: node -> Callback
-  final Map<String, DiscoItemsRequestCallback> _discoItemsCallbacks = {};
-
-  /// The list of identities that are registered.
-  List<Identity> get identities => _identities;
-
-  /// The list of disco features that are registered.
-  List<String> get features => _features;
 
   @visibleForTesting
   bool hasInfoQueriesRunning() => _runningInfoQueries.isNotEmpty;
@@ -126,19 +106,9 @@ class DiscoManager extends XmppManagerBase {
     }
   }
   
-  /// Register a callback [callback] for a disco#info query on [node].
-  void registerInfoCallback(String node, DiscoInfoRequestCallback callback) {
-    _discoInfoCallbacks[node] = callback;
-  }
-
-  /// Register a callback [callback] for a disco#items query on [node].
-  void registerItemsCallback(String node, DiscoItemsRequestCallback callback) {
-    _discoItemsCallbacks[node] = callback;
-  }
-  
   /// Adds a list of features to the possible disco info response.
   /// This function only adds features that are not already present in the disco features.
-  void addFeatures(List<String> features) {
+  void addDiscoFeatures(List<String> features) {
     for (final feat in features) {
       if (!_features.contains(feat)) {
         _features.add(feat);
@@ -146,16 +116,6 @@ class DiscoManager extends XmppManagerBase {
     }
   }
 
-  /// Adds a list of identities to the possible disco info response.
-  /// This function only adds features that are not already present in the disco features.
-  void addIdentities(List<Identity> identities) {
-    for (final identity in identities) {
-      if (!_identities.contains(identity)) {
-        _identities.add(identity);
-      }
-    }
-  }
-  
   Future<void> _onPresence(JID from, Stanza presence) async {
     final c = presence.firstTag('c', xmlns: capsXmlns);
     if (c == null) return;
@@ -186,33 +146,45 @@ class DiscoManager extends XmppManagerBase {
     });
   }
   
-  /// Returns the [DiscoInfo] object that would be used as the response to a disco#info
+  /// Returns the list of disco features registered.
-  /// query against our bare JID with no node. The results node attribute is set
+  List<String> getRegisteredDiscoFeatures() => _features;
-  /// to [node].
+  
-  DiscoInfo getDiscoInfo(String? node) {
+  /// May be overriden. Specifies the identities which will be returned in a disco info response.
-    return DiscoInfo(
+  List<Identity> getIdentities() => const [ Identity(category: 'client', type: 'pc', name: 'moxxmpp', lang: 'en') ];
-      _features,
-      _identities,
-      const [],
-      node,
-      null,
-    );
-  }
   
   Future<StanzaHandlerData> _onDiscoInfoRequest(Stanza stanza, StanzaHandlerData state) async {
     if (stanza.type != 'get') return state;
 
+    final presence = getAttributes().getManagerById(presenceManager)! as PresenceManager;
     final query = stanza.firstTag('query', xmlns: discoInfoXmlns)!;
     final node = query.attributes['node'] as String?;
+    final capHash = await presence.getCapabilityHash();
+    final isCapabilityNode = node == '${presence.capabilityHashNode}#$capHash';
 
-    if (_discoInfoCallbacks.containsKey(node)) {
+    if (!isCapabilityNode && node != null) {
-      // We can now assume that node != null
-      final result = await _discoInfoCallbacks[node]!();
       await reply(
         state,
-        'result',
+        'error',
         [
-          result.toXml(),
+          XMLNode.xmlns(
+            tag: 'query',
+            xmlns: discoInfoXmlns,
+            attributes: <String, String>{
+              'node': node
+            },
+          ),
+          XMLNode(
+            tag: 'error',
+            attributes: <String, String>{
+              'type': 'cancel'
+            },
+            children: [
+              XMLNode.xmlns(
+                tag: 'not-allowed',
+                xmlns: fullStanzaXmlns,
+              )
+            ],
+          ),
         ],
       );
 
@@ -223,7 +195,24 @@ class DiscoManager extends XmppManagerBase {
       state,
       'result',
       [
-        getDiscoInfo(node).toXml(),
+        XMLNode.xmlns(
+          tag: 'query',
+          xmlns: discoInfoXmlns,
+          attributes: {
+            ...!isCapabilityNode ? {} : {
+              'node': '${presence.capabilityHashNode}#$capHash'
+            }
+          },
+          children: [
+            ...getIdentities().map((identity) => identity.toXMLNode()),
+            ..._features.map((feat) {
+              return XMLNode(
+                tag: 'feature',
+                attributes: <String, dynamic>{ 'var': feat },
+              );
+            }),
+          ],
+        ),
       ],
     );
 
@@ -234,20 +223,30 @@ class DiscoManager extends XmppManagerBase {
     if (stanza.type != 'get') return state;
 
     final query = stanza.firstTag('query', xmlns: discoItemsXmlns)!;
-    final node = query.attributes['node'] as String?;
+    if (query.attributes['node'] != null) {
-    if (_discoItemsCallbacks.containsKey(node)) {
+      // TODO(Unknown): Handle the node we specified for XEP-0115
-      final result = await _discoItemsCallbacks[node]!();
       await reply(
         state,
-        'result',
+        'error',
         [
           XMLNode.xmlns(
             tag: 'query',
             xmlns: discoItemsXmlns,
             attributes: <String, String>{
-              'node': node!,
+              'node': query.attributes['node']! as String,
             },
-            children: result.map((item) => item.toXml()).toList(),
+          ),
+          XMLNode(
+            tag: 'error',
+            attributes: <String, dynamic>{
+              'type': 'cancel'
+            },
+            children: [
+              XMLNode.xmlns(
+                tag: 'not-allowed',
+                xmlns: fullStanzaXmlns,
+              ),
+            ],
           ),
         ],
       );
@@ -255,7 +254,18 @@ class DiscoManager extends XmppManagerBase {
       return state.copyWith(done: true);
     }
 
-    return state;
+    await reply(
+      state,
+      'result',
+      [
+        XMLNode.xmlns(
+          tag: 'query',
+          xmlns: discoItemsXmlns,
+        ),
+      ],
+    );
+
+    return state.copyWith(done: true);
   }
 
   Future<void> _exitDiscoInfoCriticalSection(DiscoCacheKey key, Result<DiscoError, DiscoInfo> result) async {
@@ -312,17 +322,34 @@ class DiscoManager extends XmppManagerBase {
       return result;
     }
 
-    if (stanza.attributes['type'] == 'error') {
+    final error = stanza.firstTag('error');
-      //final error = stanza.firstTag('error');
+    if (error != null && stanza.attributes['type'] == 'error') {
       final result = Result<DiscoError, DiscoInfo>(ErrorResponseDiscoError());
       await _exitDiscoInfoCriticalSection(cacheKey, result);
       return result;
     }
     
+    final features = List<String>.empty(growable: true);
+    final identities = List<Identity>.empty(growable: true);
+
+    for (final element in query.children) {
+      if (element.tag == 'feature') {
+        features.add(element.attributes['var']! as String);
+      } else if (element.tag == 'identity') {
+        identities.add(Identity(
+          category: element.attributes['category']! as String,
+          type: element.attributes['type']! as String,
+          name: element.attributes['name'] as String?,
+        ),);
+      }
+    }
+
     final result = Result<DiscoError, DiscoInfo>(
-      DiscoInfo.fromQuery(
+      DiscoInfo(
-        query,
+        features,
-        JID.fromString(entity),
+        identities,
+        query.findTags('x', xmlns: dataFormsXmlns).map(parseDataForm).toList(),
+        JID.fromString(stanza.attributes['from']! as String),
       ),
     );
     await _exitDiscoInfoCriticalSection(cacheKey, result);
@@ -340,8 +367,8 @@ class DiscoManager extends XmppManagerBase {
     final query = stanza.firstTag('query');
     if (query == null) return Result(InvalidResponseDiscoError());
 
-    if (stanza.type == 'error') {
+    final error = stanza.firstTag('error');
-      //final error = stanza.firstTag('error');
+    if (error != null && stanza.type == 'error') {
       //print("Disco Items error: " + error.toXml());
       return Result(ErrorResponseDiscoError());
     }

packages/moxxmpp/lib/src/xeps/xep_0115.dart

@@ -1,18 +1,10 @@
 import 'dart:convert';
 import 'package:cryptography/cryptography.dart';
-import 'package:meta/meta.dart';
-import 'package:moxxmpp/src/managers/base.dart';
-import 'package:moxxmpp/src/managers/namespaces.dart';
-import 'package:moxxmpp/src/namespaces.dart';
-import 'package:moxxmpp/src/presence.dart';
 import 'package:moxxmpp/src/rfcs/rfc_4790.dart';
-import 'package:moxxmpp/src/stringxml.dart';
 import 'package:moxxmpp/src/xeps/xep_0030/types.dart';
-import 'package:moxxmpp/src/xeps/xep_0030/xep_0030.dart';
-import 'package:moxxmpp/src/xeps/xep_0414.dart';
 
-@immutable
 class CapabilityHashInfo {
+
   const CapabilityHashInfo(this.ver, this.node, this.hash);
   final String ver;
   final String node;
@@ -65,86 +57,3 @@ Future<String> calculateCapabilityHash(DiscoInfo info, HashAlgorithm algorithm)
   
   return base64.encode((await algorithm.hash(utf8.encode(buffer.toString()))).bytes);
 }
-
-/// A manager implementing the advertising of XEP-0115. It responds to the
-/// disco#info requests on the specified node with the information provided by
-/// the DiscoManager.
-/// NOTE: This manager requires that the DiscoManager is also registered.
-class EntityCapabilitiesManager extends XmppManagerBase {
-  EntityCapabilitiesManager(this._capabilityHashBase) : super();
-
-  /// The string that is both the node under which we advertise the disco info
-  /// and the base for the actual node on which we respond to disco#info requests.
-  final String _capabilityHashBase;
-
-  /// The cached capability hash.
-  String? _capabilityHash;
-
-  @override
-  String getName() => 'EntityCapabilitiesManager';
-  
-  @override
-  String getId() => entityCapabilitiesManager;
-
-  @override
-  Future<bool> isSupported() async => true;
-
-  @override
-  List<String> getDiscoFeatures() => [
-    capsXmlns,
-  ];
-
-  /// Computes, if required, the capability hash of the data provided by
-  /// the DiscoManager.
-  Future<String> getCapabilityHash() async {
-    _capabilityHash ??= await calculateCapabilityHash(
-      getAttributes()
-        .getManagerById<DiscoManager>(discoManager)!
-        .getDiscoInfo(null),
-      getHashByName('sha-1')!,
-    );
-
-    return _capabilityHash!;
-  }
-
-  Future<String> _getNode() async {
-    final hash = await getCapabilityHash();
-    return '$_capabilityHashBase#$hash';
-  }
-  
-  Future<DiscoInfo> _onInfoQuery() async {
-    return getAttributes()
-      .getManagerById<DiscoManager>(discoManager)!
-      .getDiscoInfo(await _getNode());
-  }
-
-  Future<List<XMLNode>> _prePresenceSent() async {
-    return [
-      XMLNode.xmlns(
-        tag: 'c',
-        xmlns: capsXmlns,
-        attributes: {
-          'hash': 'sha-1',
-          'node': _capabilityHashBase,
-          'ver': await getCapabilityHash(),
-        },
-      ),
-    ];
-  }
-  
-  @override
-  Future<void> postRegisterCallback() async {
-    await super.postRegisterCallback();
-    
-    getAttributes().getManagerById<DiscoManager>(discoManager)!.registerInfoCallback(
-        await _getNode(),
-        _onInfoQuery,
-      );
-
-    getAttributes()
-      .getManagerById<PresenceManager>(presenceManager)!
-      .registerPreSendCallback(
-        _prePresenceSent,
-      );
-  }
-}

packages/moxxmpp/lib/src/xeps/xep_0461.dart

@@ -9,14 +9,14 @@ import 'package:moxxmpp/src/stanza.dart';
 /// Data summarizing the XEP-0461 data.
 class ReplyData {
   const ReplyData({
+    required this.to,
     required this.id,
-    this.to,
     this.start,
     this.end,
   });
 
   /// The bare JID to whom the reply applies to
-  final String? to;
+  final String to;
 
   /// The stanza ID of the message that is replied to
   final String id;
@@ -72,11 +72,6 @@ class MessageRepliesManager extends XmppManagerBase {
   @override
   String getId() => messageRepliesManager;
 
-  @override
-  List<String> getDiscoFeatures() => [
-    replyXmlns,
-  ];
-  
   @override
   List<StanzaHandler> getIncomingStanzaHandlers() => [
     StanzaHandler(
@@ -95,7 +90,7 @@ class MessageRepliesManager extends XmppManagerBase {
   Future<StanzaHandlerData> _onMessage(Stanza stanza, StanzaHandlerData state) async {
     final reply = stanza.firstTag('reply', xmlns: replyXmlns)!;
     final id = reply.attributes['id']! as String;
-    final to = reply.attributes['to'] as String?;
+    final to = reply.attributes['to']! as String;
     int? start;
     int? end;
 
@@ -107,13 +102,11 @@ class MessageRepliesManager extends XmppManagerBase {
       end = int.parse(body.attributes['end']! as String);
     }
 
-    return state.copyWith(
+    return state.copyWith(reply: ReplyData(
-      reply: ReplyData(
         id: id,
         to: to,
         start: start,
         end: end,
-      ),
+    ),);
-    );
   }
 }

packages/moxxmpp/moxxmpp.doap

@@ -1,276 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'
-         xmlns='http://usefulinc.com/ns/doap#'
-	 xmlns:foaf='http://xmlns.com/foaf/0.1/'
-	 xmlns:xmpp='https://linkmauve.fr/ns/xmpp-doap#'>
-  <Project xml:lang='en'>
-    <name>moxxmpp</name>
-    <created>2021-12-26</created>
-    <homepage rdf:resource='https://codeberg.org/moxxy/moxxmpp'/>
-    <os>Linux</os>
-    <os>Windows</os>
-    <os>macOS</os>
-    <os>Android</os>
-    <os>iOS</os>
-
-    <programming-language>Dart</programming-language>
-
-    <maintainer>
-      <foaf:Person>
-	<foaf:name>Alexander "Polynomdivision"</foaf:name>
-	<foaf:homepage rdf:resource="https://blog.polynom.me" />
-      </foaf:Person>
-    </maintainer>
-
-    <implements rdf:resource="https://xmpp.org/rfcs/rfc6120.html" />
-
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0004.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>2.13.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0030.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>2.5rc3</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0054.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.2</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0060.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.24.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0066.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:note xml:lang="en">Only jabber:x:oob</xmpp:note>
-	<xmpp:version>1.5</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0084.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:note xml:lang="en">Receiving data</xmpp:note>
-	<xmpp:version>1.1.4</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0085.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>2.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0115.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.5.2</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0153.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0184.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.4.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0191.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.3.0</xmpp:version>
-	<xmpp:note xml:lang="en">Not plugged into the UI</xmpp:note>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0198.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.6</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0280.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.0.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0297.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:note xml:lang="en">Exists only as part of support for XEP-0280</xmpp:note>
-	<xmpp:version>1.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0300.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:note xml:lang="en">Supports only Sha256, Sha512 and blake2b512</xmpp:note>
-	<xmpp:version>1.0.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0308.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.2.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0333.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:note xml:lang="en">Read-only support</xmpp:note>
-	<xmpp:version>0.4</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0334.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:note xml:lang="en">Write-only support</xmpp:note>
-	<xmpp:version>0.3.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0352.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>1.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0359.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.6.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0363.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.1.0</xmpp:version>
-	<xmpp:note xml:lang="en">Only handles the success case; not accessible via the App</xmpp:note>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0368.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>1.1.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0380.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.4.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0384.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.8.3</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0420.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>0.4.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0424.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.3.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0444.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.1.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0446.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.2.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0447.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.1.2</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0448.html" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>0.2.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0449.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.1.1</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://xmpp.org/extensions/xep-0461.html" />
-	<xmpp:status>complete</xmpp:status>
-	<xmpp:version>0.2.0</xmpp:version>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://codeberg.org/moxxy/custom-xeps/src/branch/master/xep-xxxx-extensible-file-thumbnails.md" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>0.2.1</xmpp:version>
-	<xmpp:note xml:lang="en">Only Blurhash is implemented</xmpp:note>
-      </xmpp:SupportedXep>
-    </implements>
-    <implements>
-      <xmpp:SupportedXep>
-	<xmpp:xep rdf:resource="https://codeberg.org/moxxy/custom-xeps/src/branch/master/xep-xxxx-file-upload-notification.md" />
-	<xmpp:status>partial</xmpp:status>
-	<xmpp:version>0.0.5</xmpp:version>
-	<xmpp:note xml:lang="en">Sending and receiving implemented; cancellation not implemented</xmpp:note>
-      </xmpp:SupportedXep>
-    </implements>
-  </Project>
-</rdf:RDF>

packages/moxxmpp/test/async_queue_test.dart

@@ -1,43 +0,0 @@
-import 'package:moxxmpp/src/util/queue.dart';
-import 'package:test/test.dart';
-
-void main() {
-  test('Test the async queue', () async {
-    final queue = AsyncQueue();
-    int future1Finish = 0;
-    int future2Finish = 0;
-    int future3Finish = 0;
-
-    await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future1Finish = DateTime.now().millisecondsSinceEpoch));
-    await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future2Finish = DateTime.now().millisecondsSinceEpoch));
-    await queue.addJob(() => Future<void>.delayed(const Duration(seconds: 3), () => future3Finish = DateTime.now().millisecondsSinceEpoch));
-
-    await Future<void>.delayed(const Duration(seconds: 12));
-
-    // The three futures must be done
-    expect(future1Finish != 0, true);
-    expect(future2Finish != 0, true);
-    expect(future3Finish != 0, true);
-
-    // The end times of the futures must be ordered (on a timeline)
-    // |-- future1Finish -- future2Finish -- future3Finish --|
-    expect(
-      future1Finish < future2Finish && future1Finish < future3Finish,
-      true,
-    );
-    expect(
-      future2Finish < future3Finish && future2Finish > future1Finish,
-      true,
-    );
-    expect(
-      future3Finish > future1Finish && future3Finish > future2Finish,
-      true,
-    );
-
-    // The queue must be empty at the end
-    expect(queue.queue.isEmpty, true);
-
-    // The queue must not be executing anything at the end
-    expect(queue.isRunning, false);
-  });
-}

packages/moxxmpp/test/negotiator_test.dart

@@ -54,20 +54,16 @@ void main() {
     ],
   );
   
-  final connection = XmppConnection(
+  final connection = XmppConnection(TestingReconnectionPolicy(), stubSocket)
-    TestingReconnectionPolicy(),
+    ..registerFeatureNegotiators([
-    AlwaysConnectedConnectivityManager(),
-    stubSocket,
-  )..registerFeatureNegotiators([
       StubNegotiator1(),
       StubNegotiator2(),
     ])
     ..registerManagers([
-      PresenceManager(),
+      PresenceManager('http://moxxmpp.example'),
       RosterManager(TestingRosterStateManager('', [])),
-      DiscoManager([]),
+      DiscoManager(),
       PingManager(),
-      EntityCapabilitiesManager('http://moxxmpp.example'),
     ])
     ..setConnectionSettings(
       ConnectionSettings(

packages/moxxmpp/test/xeps/xep_0004_test.dart

@@ -3,14 +3,14 @@ import 'package:test/test.dart';
 
 void main() {
   test('Parsing', () {
-    const testData = "<x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>urn:xmpp:dataforms:softwareinfo</value></field><field var='ip_version' type='text-multi' ><value>ipv4</value><value>ipv6</value></field><field var='os'><value>Mac</value></field><field var='os_version'><value>10.5.1</value></field><field var='software'><value>Psi</value></field><field var='software_version'><value>0.11</value></field></x>";
+      const testData = "<x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>urn:xmpp:dataforms:softwareinfo</value></field><field var='ip_version' type='text-multi' ><value>ipv4</value><value>ipv6</value></field><field var='os'><value>Mac</value></field><field var='os_version'><value>10.5.1</value></field><field var='software'><value>Psi</value></field><field var='software_version'><value>0.11</value></field></x>";
 
-    final form = parseDataForm(XMLNode.fromString(testData));
+      final form = parseDataForm(XMLNode.fromString(testData));
-    expect(form.getFieldByVar('FORM_TYPE')?.values.first, 'urn:xmpp:dataforms:softwareinfo');
+      expect(form.getFieldByVar('FORM_TYPE')?.values.first, 'urn:xmpp:dataforms:softwareinfo');
-    expect(form.getFieldByVar('ip_version')?.values, [ 'ipv4', 'ipv6' ]);
+      expect(form.getFieldByVar('ip_version')?.values, [ 'ipv4', 'ipv6' ]);
-    expect(form.getFieldByVar('os')?.values.first, 'Mac');
+      expect(form.getFieldByVar('os')?.values.first, 'Mac');
-    expect(form.getFieldByVar('os_version')?.values.first, '10.5.1');
+      expect(form.getFieldByVar('os_version')?.values.first, '10.5.1');
-    expect(form.getFieldByVar('software')?.values.first, 'Psi');
+      expect(form.getFieldByVar('software')?.values.first, 'Psi');
-    expect(form.getFieldByVar('software_version')?.values.first, '0.11');
+      expect(form.getFieldByVar('software_version')?.values.first, '0.11');
   });
 }

packages/moxxmpp/test/xeps/xep_0030.dart

@@ -53,7 +53,7 @@ void main() {
           ignoreId: true,
         ),
         StringExpectation(
-          "<presence xmlns='jabber:client' from='polynomdivision@test.server/MU29eEZn'><show>chat</show><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://moxxmpp.example' ver='3QvQ2RAy45XBDhArjxy/vEWMl+E=' /></presence>",
+          "<presence xmlns='jabber:client' from='polynomdivision@test.server/MU29eEZn'><show>chat</show><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://moxxmpp.example' ver='QRTBC5cg/oYd+UOTYazSQR4zb/I=' /></presence>",
           '',
         ),
         StanzaExpectation(
@@ -65,11 +65,7 @@ void main() {
 
       ],
     );
-    final XmppConnection conn = XmppConnection(
+    final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), socket: fakeSocket);
-      TestingReconnectionPolicy(),
-      AlwaysConnectedConnectivityManager(),
-      fakeSocket,
-    );
     conn.setConnectionSettings(ConnectionSettings(
         jid: JID.fromString('polynomdivision@test.server'),
         password: 'aaaa',
@@ -77,11 +73,10 @@ void main() {
         allowPlainAuth: true,
     ),);
     conn.registerManagers([
-      PresenceManager(),
+      PresenceManager('http://moxxmpp.example'),
-      RosterManager(TestingRosterStateManager(null, [])),
+      RosterManager(),
-      DiscoManager([]),
+      DiscoManager(),
       PingManager(),
-      EntityCapabilitiesManager('http://moxxmpp.example'),
     ]);
     conn.registerFeatureNegotiators(
       [

packages/moxxmpp/test/xeps/xep_0115_test.dart

@@ -4,167 +4,164 @@ import 'package:test/test.dart';
 
 void main() {
   test('Test XEP example', () async {
-    final data = DiscoInfo(
+      final data = DiscoInfo(
-      [
+        [
-        'http://jabber.org/protocol/caps',
+          'http://jabber.org/protocol/caps',
-        'http://jabber.org/protocol/disco#info',
+          'http://jabber.org/protocol/disco#info',
-        'http://jabber.org/protocol/disco#items',
+          'http://jabber.org/protocol/disco#items',
-        'http://jabber.org/protocol/muc'
+          'http://jabber.org/protocol/muc'
-      ],
+        ],
-      [
+        [
-        Identity(
+          Identity(
-          category: 'client',
+            category: 'client',
-          type: 'pc',
+            type: 'pc',
-          name: 'Exodus 0.9.1',
+            name: 'Exodus 0.9.1',
-        )
+          )
-      ],
+        ],
-      [],
+        [],
-      null,
+        JID.fromString('some@user.local/test'),
-      JID.fromString('some@user.local/test'),
+      );
-    );
 
-    final hash = await calculateCapabilityHash(data, Sha1());
+      final hash = await calculateCapabilityHash(data, Sha1());
-    expect(hash, 'QgayPKawpkPSDYmwT/WM94uAlu0=');
+      expect(hash, 'QgayPKawpkPSDYmwT/WM94uAlu0=');
   });
 
   test('Test complex generation example', () async {
-    const extDiscoDataString = "<x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>urn:xmpp:dataforms:softwareinfo</value></field><field var='ip_version' type='text-multi' ><value>ipv4</value><value>ipv6</value></field><field var='os'><value>Mac</value></field><field var='os_version'><value>10.5.1</value></field><field var='software'><value>Psi</value></field><field var='software_version'><value>0.11</value></field></x>";
+      const extDiscoDataString = "<x xmlns='jabber:x:data' type='result'><field var='FORM_TYPE' type='hidden'><value>urn:xmpp:dataforms:softwareinfo</value></field><field var='ip_version' type='text-multi' ><value>ipv4</value><value>ipv6</value></field><field var='os'><value>Mac</value></field><field var='os_version'><value>10.5.1</value></field><field var='software'><value>Psi</value></field><field var='software_version'><value>0.11</value></field></x>";
-    final data = DiscoInfo(
+      final data = DiscoInfo(
-      [
+        [
-        'http://jabber.org/protocol/caps',
+          'http://jabber.org/protocol/caps',
-        'http://jabber.org/protocol/disco#info',
+          'http://jabber.org/protocol/disco#info',
-        'http://jabber.org/protocol/disco#items',
+          'http://jabber.org/protocol/disco#items',
-        'http://jabber.org/protocol/muc'
+          'http://jabber.org/protocol/muc'
-      ],
+        ],
-      [
+        [
-        const Identity(
+          const Identity(
-          category: 'client',
+            category: 'client',
-          type: 'pc',
+            type: 'pc',
-          name: 'Psi 0.11',
+            name: 'Psi 0.11',
-          lang: 'en',
+            lang: 'en',
-        ),
+          ),
-        const Identity(
+          const Identity(
-          category: 'client',
+            category: 'client',
-          type: 'pc',
+            type: 'pc',
-          name: 'Ψ 0.11',
+            name: 'Ψ 0.11',
-          lang: 'el',
+            lang: 'el',
-        ),
+          ),
-      ],
+        ],
-      [ parseDataForm(XMLNode.fromString(extDiscoDataString)) ],
+        [ parseDataForm(XMLNode.fromString(extDiscoDataString)) ],
-      null,
+        JID.fromString('some@user.local/test'),
-      JID.fromString('some@user.local/test'),
+      );
-    );
 
-    final hash = await calculateCapabilityHash(data, Sha1());
+      final hash = await calculateCapabilityHash(data, Sha1());
-    expect(hash, 'q07IKJEyjvHSyhy//CH0CxmKi8w=');
+      expect(hash, 'q07IKJEyjvHSyhy//CH0CxmKi8w=');
   });
   
   test('Test Gajim capability hash computation', () async {
-    // TODO: This one fails
+      // TODO: This one fails
-    /*
+      /*
-    final data = DiscoInfo(
+      final data = DiscoInfo(
-      features: [
+        features: [
-        "http://jabber.org/protocol/bytestreams",
+          "http://jabber.org/protocol/bytestreams",
-        "http://jabber.org/protocol/muc",
+          "http://jabber.org/protocol/muc",
-        "http://jabber.org/protocol/commands",
+          "http://jabber.org/protocol/commands",
-        "http://jabber.org/protocol/disco#info",
+          "http://jabber.org/protocol/disco#info",
-        "jabber:iq:last",
+          "jabber:iq:last",
-        "jabber:x:data",
+          "jabber:x:data",
-        "jabber:x:encrypted",
+          "jabber:x:encrypted",
-        "urn:xmpp:ping",
+          "urn:xmpp:ping",
-        "http://jabber.org/protocol/chatstates",
+          "http://jabber.org/protocol/chatstates",
-        "urn:xmpp:receipts",
+          "urn:xmpp:receipts",
-        "urn:xmpp:time",
+          "urn:xmpp:time",
-        "jabber:iq:version",
+          "jabber:iq:version",
-        "http://jabber.org/protocol/rosterx",
+          "http://jabber.org/protocol/rosterx",
-        "urn:xmpp:sec-label:0",
+          "urn:xmpp:sec-label:0",
-        "jabber:x:conference",
+          "jabber:x:conference",
-        "urn:xmpp:message-correct:0",
+          "urn:xmpp:message-correct:0",
-        "urn:xmpp:chat-markers:0",
+          "urn:xmpp:chat-markers:0",
-        "urn:xmpp:eme:0",
+          "urn:xmpp:eme:0",
-        "http://jabber.org/protocol/xhtml-im",
+          "http://jabber.org/protocol/xhtml-im",
-        "urn:xmpp:hashes:2",
+          "urn:xmpp:hashes:2",
-        "urn:xmpp:hash-function-text-names:md5",
+          "urn:xmpp:hash-function-text-names:md5",
-        "urn:xmpp:hash-function-text-names:sha-1",
+          "urn:xmpp:hash-function-text-names:sha-1",
-        "urn:xmpp:hash-function-text-names:sha-256",
+          "urn:xmpp:hash-function-text-names:sha-256",
-        "urn:xmpp:hash-function-text-names:sha-512",
+          "urn:xmpp:hash-function-text-names:sha-512",
-        "urn:xmpp:hash-function-text-names:sha3-256",
+          "urn:xmpp:hash-function-text-names:sha3-256",
-        "urn:xmpp:hash-function-text-names:sha3-512",
+          "urn:xmpp:hash-function-text-names:sha3-512",
-        "urn:xmpp:hash-function-text-names:id-blake2b256",
+          "urn:xmpp:hash-function-text-names:id-blake2b256",
-        "urn:xmpp:hash-function-text-names:id-blake2b512",
+          "urn:xmpp:hash-function-text-names:id-blake2b512",
-        "urn:xmpp:jingle:1",
+          "urn:xmpp:jingle:1",
-        "urn:xmpp:jingle:apps:file-transfer:5",
+          "urn:xmpp:jingle:apps:file-transfer:5",
-        "urn:xmpp:jingle:security:xtls:0",
+          "urn:xmpp:jingle:security:xtls:0",
-        "urn:xmpp:jingle:transports:s5b:1",
+          "urn:xmpp:jingle:transports:s5b:1",
-        "urn:xmpp:jingle:transports:ibb:1",
+          "urn:xmpp:jingle:transports:ibb:1",
-        "urn:xmpp:avatar:metadata+notify",
+          "urn:xmpp:avatar:metadata+notify",
-        "urn:xmpp:message-moderate:0",
+          "urn:xmpp:message-moderate:0",
-        "http://jabber.org/protocol/tune+notify",
+          "http://jabber.org/protocol/tune+notify",
-        "http://jabber.org/protocol/geoloc+notify",
+          "http://jabber.org/protocol/geoloc+notify",
-        "http://jabber.org/protocol/nick+notify",
+          "http://jabber.org/protocol/nick+notify",
-        "eu.siacs.conversations.axolotl.devicelist+notify",
+          "eu.siacs.conversations.axolotl.devicelist+notify",
-      ],
+        ],
-      identities: [
+        identities: [
-        Identity(
+          Identity(
-          category: "client",
+            category: "client",
-          type: "pc",
+            type: "pc",
-          name: "Gajim"
+            name: "Gajim"
-        )
+          )
-      ]
+        ]
-    );
+      );
 
-    final hash = await calculateCapabilityHash(data, Sha1());
+      final hash = await calculateCapabilityHash(data, Sha1());
-    expect(hash, "T7fOZrtBnV8sDA2fFTS59vyOyUs=");
+      expect(hash, "T7fOZrtBnV8sDA2fFTS59vyOyUs=");
-    */
+      */
   });
 
   test('Test Conversations hash computation', () async {
-    final data = DiscoInfo(
+      final data = DiscoInfo(
-      [
+        [
-        'eu.siacs.conversations.axolotl.devicelist+notify',
+          'eu.siacs.conversations.axolotl.devicelist+notify',
-        'http://jabber.org/protocol/caps',
+          'http://jabber.org/protocol/caps',
-        'http://jabber.org/protocol/chatstates',
+          'http://jabber.org/protocol/chatstates',
-        'http://jabber.org/protocol/disco#info',
+          'http://jabber.org/protocol/disco#info',
-        'http://jabber.org/protocol/muc',
+          'http://jabber.org/protocol/muc',
-        'http://jabber.org/protocol/nick+notify',
+          'http://jabber.org/protocol/nick+notify',
-        'jabber:iq:version',
+          'jabber:iq:version',
-        'jabber:x:conference',
+          'jabber:x:conference',
-        'jabber:x:oob',
+          'jabber:x:oob',
-        'storage:bookmarks+notify',
+          'storage:bookmarks+notify',
-        'urn:xmpp:avatar:metadata+notify',
+          'urn:xmpp:avatar:metadata+notify',
-        'urn:xmpp:chat-markers:0',
+          'urn:xmpp:chat-markers:0',
-        'urn:xmpp:jingle-message:0',
+          'urn:xmpp:jingle-message:0',
-        'urn:xmpp:jingle:1',
+          'urn:xmpp:jingle:1',
-        'urn:xmpp:jingle:apps:dtls:0',
+          'urn:xmpp:jingle:apps:dtls:0',
-        'urn:xmpp:jingle:apps:file-transfer:3',
+          'urn:xmpp:jingle:apps:file-transfer:3',
-        'urn:xmpp:jingle:apps:file-transfer:4',
+          'urn:xmpp:jingle:apps:file-transfer:4',
-        'urn:xmpp:jingle:apps:file-transfer:5',
+          'urn:xmpp:jingle:apps:file-transfer:5',
-        'urn:xmpp:jingle:apps:rtp:1',
+          'urn:xmpp:jingle:apps:rtp:1',
-        'urn:xmpp:jingle:apps:rtp:audio',
+          'urn:xmpp:jingle:apps:rtp:audio',
-        'urn:xmpp:jingle:apps:rtp:video',
+          'urn:xmpp:jingle:apps:rtp:video',
-        'urn:xmpp:jingle:jet-omemo:0',
+          'urn:xmpp:jingle:jet-omemo:0',
-        'urn:xmpp:jingle:jet:0',
+          'urn:xmpp:jingle:jet:0',
-        'urn:xmpp:jingle:transports:ibb:1',
+          'urn:xmpp:jingle:transports:ibb:1',
-        'urn:xmpp:jingle:transports:ice-udp:1',
+          'urn:xmpp:jingle:transports:ice-udp:1',
-        'urn:xmpp:jingle:transports:s5b:1',
+          'urn:xmpp:jingle:transports:s5b:1',
-        'urn:xmpp:message-correct:0',
+          'urn:xmpp:message-correct:0',
-        'urn:xmpp:ping',
+          'urn:xmpp:ping',
-        'urn:xmpp:receipts',
+          'urn:xmpp:receipts',
-        'urn:xmpp:time'
+          'urn:xmpp:time'
-      ],
+        ],
-      [
+        [
-        Identity(
+          Identity(
-          category: 'client',
+            category: 'client',
-          type: 'phone',
+            type: 'phone',
-          name: 'Conversations',
+            name: 'Conversations',
-        )
+          )
-      ],
+        ],
-      [],
+        [],
-      null,
+        JID.fromString('user@server.local/test'),
-      JID.fromString('user@server.local/test'),
+      );
-    );
 
-    final hash = await calculateCapabilityHash(data, Sha1());
+      final hash = await calculateCapabilityHash(data, Sha1());
-    expect(hash, 'zcIke+Rk13ah4d1pwDG7bEZsVwA=');
+      expect(hash, 'zcIke+Rk13ah4d1pwDG7bEZsVwA=');
   });
 }

packages/moxxmpp/test/xeps/xep_0198_test.dart

@@ -34,7 +34,7 @@ XmppManagerAttributes mkAttributes(void Function(Stanza) callback) {
     isFeatureSupported: (_) => false,
     getFullJID: () => JID.fromString('hallo@example.server/uwu'),
     getSocket: () => StubTCPSocket(play: []),
-    getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+    getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
     getNegotiatorById: getNegotiatorNullStub,
   );
 }
@@ -233,11 +233,7 @@ void main() {
         ]
       );
 
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -246,13 +242,12 @@ void main() {
       ),);
       final sm = StreamManagementManager();
       conn.registerManagers([
-        PresenceManager(),
+          PresenceManager('http://moxxmpp.example'),
-        RosterManager(TestingRosterStateManager('', [])),
+          RosterManager(TestingRosterStateManager('', [])),
-        DiscoManager([]),
+          DiscoManager(),
-        PingManager(),
+          PingManager(),
-        sm,
+          sm,
-        CarbonsManager()..forceEnable(),
+          CarbonsManager()..forceEnable(),
-        EntityCapabilitiesManager('http://moxxmpp.example'),
       ]);
       conn.registerFeatureNegotiators(
         [
@@ -348,7 +343,7 @@ void main() {
             '<enabled xmlns="urn:xmpp:sm:3" id="some-long-sm-id" resume="true" />',
           ),
           StringExpectation(
-            "<presence xmlns='jabber:client' from='polynomdivision@test.server/MU29eEZn'><show>chat</show><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://moxxmpp.example' ver='3QvQ2RAy45XBDhArjxy/vEWMl+E=' /></presence>",
+            "<presence xmlns='jabber:client' from='polynomdivision@test.server/MU29eEZn'><show>chat</show><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://moxxmpp.example' ver='QRTBC5cg/oYd+UOTYazSQR4zb/I=' /></presence>",
             '<iq type="result" />',
           ),
           StanzaExpectation(
@@ -360,11 +355,7 @@ void main() {
         ]
       );
 
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -373,13 +364,12 @@ void main() {
       ),);
       final sm = StreamManagementManager();
       conn.registerManagers([
-          PresenceManager(),
+          PresenceManager('http://moxxmpp.example'),
           RosterManager(TestingRosterStateManager('', [])),
-          DiscoManager([]),
+          DiscoManager(),
           PingManager(),
           sm,
           CarbonsManager()..forceEnable(),
-          EntityCapabilitiesManager('http://moxxmpp.example'),
       ]);
       conn.registerFeatureNegotiators(
         [
@@ -520,11 +510,7 @@ void main() {
         ]
       );
 
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -532,9 +518,9 @@ void main() {
           allowPlainAuth: true,
       ),);
       conn.registerManagers([
-          PresenceManager(),
+          PresenceManager('http://moxxmpp.example'),
           RosterManager(TestingRosterStateManager('', [])),
-          DiscoManager([]),
+          DiscoManager(),
           PingManager(),
           StreamManagementManager(),
       ]);
@@ -616,11 +602,7 @@ void main() {
         ]
       );
 
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -628,9 +610,9 @@ void main() {
           allowPlainAuth: true,
       ),);
       conn.registerManagers([
-          PresenceManager(),
+          PresenceManager('http://moxxmpp.example'),
           RosterManager(TestingRosterStateManager('', [])),
-          DiscoManager([]),
+          DiscoManager(),
           PingManager(),
           StreamManagementManager(),
       ]);
@@ -712,11 +694,7 @@ void main() {
         ]
       );
 
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -724,9 +702,9 @@ void main() {
           allowPlainAuth: true,
       ),);
       conn.registerManagers([
-          PresenceManager(),
+          PresenceManager('http://moxxmpp.example'),
           RosterManager(TestingRosterStateManager('', [])),
-          DiscoManager([]),
+          DiscoManager(),
           PingManager(),
           StreamManagementManager(),
       ]);

packages/moxxmpp/test/xeps/xep_0280_test.dart

@@ -22,7 +22,7 @@ void main() {
       isFeatureSupported: (_) => false,
       getFullJID: () => JID.fromString('bob@xmpp.example/uwu'),
       getSocket: () => StubTCPSocket(play: []),
-      getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+      getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
       getNegotiatorById: getNegotiatorNullStub,
     );
     final manager = CarbonsManager();

packages/moxxmpp/test/xeps/xep_0352_test.dart

@@ -50,7 +50,7 @@ void main() {
           isFeatureSupported: (_) => false,
           getFullJID: () => JID.fromString('some.user@example.server/aaaaa'),
           getSocket: () => StubTCPSocket(play: []),
-          getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+          getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
         ),
       );
 
@@ -79,7 +79,7 @@ void main() {
           isFeatureSupported: (_) => false,
           getFullJID: () => JID.fromString('some.user@example.server/aaaaa'),
           getSocket: () => StubTCPSocket(play: []),
-          getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+          getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
         ),
       );
 

packages/moxxmpp/test/xeps/xep_0363_test.dart

@@ -3,52 +3,52 @@ import 'package:test/test.dart';
 
 void main() {
   group('Test the XEP-0363 header preparation', () {
-    test('invariance', () {
+      test('invariance', () {
-      final headers = {
+          final headers = {
-        'authorization': 'Basic Base64String==',
+            'authorization': 'Basic Base64String==',
-        'cookie': 'foo=bar; user=romeo'
+            'cookie': 'foo=bar; user=romeo'
-      };
+          };
-      expect(
+          expect(
-        prepareHeaders(headers),
+            prepareHeaders(headers),
-        headers,
+            headers,
-      );
+          );
-    });
+      });
-    test('invariance through uppercase', () {
+      test('invariance through uppercase', () {
-      final headers = {
+          final headers = {
-        'Authorization': 'Basic Base64String==',
+            'Authorization': 'Basic Base64String==',
-        'Cookie': 'foo=bar; user=romeo'
+            'Cookie': 'foo=bar; user=romeo'
-      };
+          };
-      expect(
+          expect(
-        prepareHeaders(headers),
+            prepareHeaders(headers),
-        headers,
+            headers,
-      );
+          );
-    });
+      });
-    test('remove unspecified headers', () {
+      test('remove unspecified headers', () {
-      final headers = {
+          final headers = {
-        'Authorization': 'Basic Base64String==',
+            'Authorization': 'Basic Base64String==',
-        'Cookie': 'foo=bar; user=romeo',
+            'Cookie': 'foo=bar; user=romeo',
-        'X-Tracking': 'Base64String=='
+            'X-Tracking': 'Base64String=='
-      };
+          };
-      expect(
+          expect(
-        prepareHeaders(headers),
+            prepareHeaders(headers),
-        {
+            {
-          'Authorization': 'Basic Base64String==',
+              'Authorization': 'Basic Base64String==',
-          'Cookie': 'foo=bar; user=romeo',
+              'Cookie': 'foo=bar; user=romeo',
-        }
+            }
-      );
+          );
-    });
+      });
-    test('remove newlines', () {
+      test('remove newlines', () {
-      final headers = {
+          final headers = {
-        'Authorization': '\n\nBasic Base64String==\n\n',
+            'Authorization': '\n\nBasic Base64String==\n\n',
-        '\nCookie\r\n': 'foo=bar; user=romeo',
+            '\nCookie\r\n': 'foo=bar; user=romeo',
-      };
+          };
-      expect(
+          expect(
-        prepareHeaders(headers),
+            prepareHeaders(headers),
-        {
+            {
-          'Authorization': 'Basic Base64String==',
+              'Authorization': 'Basic Base64String==',
-          'Cookie': 'foo=bar; user=romeo',
+              'Cookie': 'foo=bar; user=romeo',
-        }
+            }
-      );
+          );
-    });
+      });
   });
 }

packages/moxxmpp/test/xmpp_test.dart

@@ -25,7 +25,7 @@ Future<bool> testRosterManager(String bareJid, String resource, String stanzaStr
       isFeatureSupported: (_) => false,
       getFullJID: () => JID.fromString('$bareJid/$resource'),
       getSocket: () => StubTCPSocket(play: []),
-      getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+      getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
   ),);
 
   final stanza = Stanza.fromXMLNode(XMLNode.fromString(stanzaString));
@@ -118,10 +118,7 @@ void main() {
         ],
       );
       // TODO: This test is broken since we query the server and enable carbons
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket);
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -129,12 +126,11 @@ void main() {
           allowPlainAuth: true,
       ),);
       conn.registerManagers([
-        PresenceManager(),
+        PresenceManager('http://moxxmpp.example'),
         RosterManager(TestingRosterStateManager('', [])),
-        DiscoManager([]),
+        DiscoManager(),
         PingManager(),
         StreamManagementManager(),
-        EntityCapabilitiesManager('http://moxxmpp.example'),
       ]);
       conn.registerFeatureNegotiators(
         [
@@ -176,11 +172,7 @@ void main() {
         ],
       );
       var receivedEvent = false;
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
         jid: JID.fromString('polynomdivision@test.server'),
         password: 'aaaa',
@@ -188,11 +180,10 @@ void main() {
         allowPlainAuth: true,
       ),);
       conn.registerManagers([
-        PresenceManager(),
+        PresenceManager('http://moxxmpp.example'),
         RosterManager(TestingRosterStateManager('', [])),
-        DiscoManager([]),
+        DiscoManager(),
         PingManager(),
-        EntityCapabilitiesManager('http://moxxmpp.example'),
       ]);
       conn.registerFeatureNegotiators([
         SaslPlainNegotiator()
@@ -235,11 +226,7 @@ void main() {
         ],
       );
       var receivedEvent = false;
-      final XmppConnection conn = XmppConnection(
+      final XmppConnection conn = XmppConnection(TestingReconnectionPolicy(), fakeSocket);
-        TestingReconnectionPolicy(),
-        AlwaysConnectedConnectivityManager(),
-        fakeSocket,
-      );
       conn.setConnectionSettings(ConnectionSettings(
           jid: JID.fromString('polynomdivision@test.server'),
           password: 'aaaa',
@@ -247,11 +234,10 @@ void main() {
           allowPlainAuth: true,
       ),);
       conn.registerManagers([
-        PresenceManager(),
+        PresenceManager('http://moxxmpp.example'),
         RosterManager(TestingRosterStateManager('', [])),
-        DiscoManager([]),
+        DiscoManager(),
         PingManager(),
-        EntityCapabilitiesManager('http://moxxmpp.example'),
       ]);
       conn.registerFeatureNegotiators([
         SaslPlainNegotiator()
@@ -340,7 +326,7 @@ void main() {
               isFeatureSupported: (_) => false,
               getFullJID: () => JID.fromString('some.user@example.server/aaaaa'),
               getSocket: () => StubTCPSocket(play: []),
-              getConnection: () => XmppConnection(TestingReconnectionPolicy(), AlwaysConnectedConnectivityManager(), StubTCPSocket(play: [])),
+              getConnection: () => XmppConnection(TestingReconnectionPolicy(), StubTCPSocket(play: [])),
           ),);
 
           // NOTE: Based on https://gultsch.de/gajim_roster_push_and_message_interception.html