fix(core): Fix stream parsing breaking after some time
This commit is contained in:
parent
f73daf4d1c
commit
483cb0d7f1
@ -84,6 +84,10 @@ class XmppConnection {
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() => _isAuthenticated,
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() => _isAuthenticated,
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sendRawXML,
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sendRawXML,
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() => connectionSettings,
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() => connectionSettings,
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() {
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_log.finest('Resetting stream parser');
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_streamParser.reset();
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},
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);
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);
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_socketStream = _socket.getDataStream();
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_socketStream = _socket.getDataStream();
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@ -746,7 +750,7 @@ class XmppConnection {
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),
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),
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);
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);
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if (!incomingHandlers.done) {
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if (!incomingHandlers.done) {
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_log.warning('Returning error for unhandled stanza');
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_log.warning('Returning error for unhandled stanza ${incomingPreHandlers.stanza.tag}');
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await handleUnhandledStanza(this, incomingPreHandlers);
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await handleUnhandledStanza(this, incomingPreHandlers);
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}
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}
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}
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}
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@ -809,8 +813,6 @@ class XmppConnection {
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/// Sends an event to the connection's event stream.
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/// Sends an event to the connection's event stream.
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Future<void> _sendEvent(XmppEvent event) async {
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Future<void> _sendEvent(XmppEvent event) async {
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_log.finest('Event: ${event.toString()}');
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for (final manager in _xmppManagers.values) {
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for (final manager in _xmppManagers.values) {
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await manager.onXmppEvent(event);
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await manager.onXmppEvent(event);
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}
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}
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@ -22,6 +22,9 @@ typedef SendNonzaFunction = void Function(XMLNode);
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/// Returns the connection settings.
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/// Returns the connection settings.
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typedef GetConnectionSettingsFunction = ConnectionSettings Function();
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typedef GetConnectionSettingsFunction = ConnectionSettings Function();
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/// Resets the stream parser's state.
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typedef ResetStreamParserFunction = void Function();
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/// This class implements the stream feature negotiation for XmppConnection.
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/// This class implements the stream feature negotiation for XmppConnection.
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abstract class NegotiationsHandler {
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abstract class NegotiationsHandler {
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@protected
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@protected
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@ -51,6 +54,9 @@ abstract class NegotiationsHandler {
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@protected
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@protected
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late final GetConnectionSettingsFunction getConnectionSettings;
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late final GetConnectionSettingsFunction getConnectionSettings;
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@protected
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late final ResetStreamParserFunction resetStreamParser;
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/// The id included in the last stream header.
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/// The id included in the last stream header.
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@protected
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@protected
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String? streamId;
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String? streamId;
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@ -72,12 +78,14 @@ abstract class NegotiationsHandler {
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IsAuthenticatedFunction isAuthenticated,
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IsAuthenticatedFunction isAuthenticated,
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SendNonzaFunction sendNonza,
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SendNonzaFunction sendNonza,
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GetConnectionSettingsFunction getConnectionSettings,
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GetConnectionSettingsFunction getConnectionSettings,
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ResetStreamParserFunction resetStreamParser,
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) {
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) {
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this.onNegotiationsDone = onNegotiationsDone;
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this.onNegotiationsDone = onNegotiationsDone;
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this.handleError = handleError;
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this.handleError = handleError;
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this.isAuthenticated = isAuthenticated;
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this.isAuthenticated = isAuthenticated;
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this.sendNonza = sendNonza;
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this.sendNonza = sendNonza;
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this.getConnectionSettings = getConnectionSettings;
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this.getConnectionSettings = getConnectionSettings;
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this.resetStreamParser = resetStreamParser;
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log = Logger(toString());
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log = Logger(toString());
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}
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}
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@ -60,6 +60,7 @@ class ClientToServerNegotiator extends NegotiationsHandler {
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@override
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@override
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void sendStreamHeader() {
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void sendStreamHeader() {
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resetStreamParser();
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sendNonza(
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sendNonza(
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XMLNode(
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XMLNode(
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tag: 'xml',
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tag: 'xml',
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@ -49,6 +49,7 @@ class ComponentToServerNegotiator extends NegotiationsHandler {
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@override
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@override
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void sendStreamHeader() {
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void sendStreamHeader() {
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resetStreamParser();
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sendNonza(
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sendNonza(
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XMLNode(
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XMLNode(
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tag: 'xml',
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tag: 'xml',
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@ -1,6 +1,5 @@
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import 'package:moxlib/moxlib.dart';
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import 'package:moxlib/moxlib.dart';
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import 'package:moxxmpp/src/managers/data.dart';
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import 'package:moxxmpp/src/managers/data.dart';
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import 'package:moxxmpp/src/namespaces.dart';
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import 'package:moxxmpp/src/stanza.dart';
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import 'package:moxxmpp/src/stanza.dart';
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import 'package:moxxmpp/src/stringxml.dart';
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import 'package:moxxmpp/src/stringxml.dart';
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@ -56,7 +55,6 @@ class StanzaHandler extends Handler {
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this.tagName,
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this.tagName,
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this.priority = 0,
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this.priority = 0,
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this.stanzaTag,
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this.stanzaTag,
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this.xmlns = stanzaXmlns,
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});
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});
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/// If specified, then the stanza must contain a direct child with a tag equal to
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/// If specified, then the stanza must contain a direct child with a tag equal to
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@ -71,11 +69,6 @@ class StanzaHandler extends Handler {
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/// If specified, the matching stanza must have a tag equal to [stanzaTag].
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/// If specified, the matching stanza must have a tag equal to [stanzaTag].
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final String? stanzaTag;
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final String? stanzaTag;
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/// If specified, then the stanza must have a xmlns attribute equal to [xmlns].
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/// This defaults to [stanzaXmlns], but can be set to any other value or null. This
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/// is useful, for example, for components.
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final String? xmlns;
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/// The priority after which [StanzaHandler]s are sorted.
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/// The priority after which [StanzaHandler]s are sorted.
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final int priority;
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final int priority;
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@ -88,9 +81,11 @@ class StanzaHandler extends Handler {
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if (stanzaTag != null) {
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if (stanzaTag != null) {
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matches &= node.tag == stanzaTag;
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matches &= node.tag == stanzaTag;
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}
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}
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if (xmlns != null) {
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// if (xmlns != null) {
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matches &= node.xmlns == xmlns;
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// matches &= node.xmlns == xmlns;
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}
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// if (flag != null)
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// print('${node.xmlns} == $xmlns');
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// }
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if (tagName != null) {
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if (tagName != null) {
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final firstTag = node.firstTag(tagName!, xmlns: tagXmlns);
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final firstTag = node.firstTag(tagName!, xmlns: tagXmlns);
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@ -69,6 +69,12 @@ class XMPPStreamParser extends StreamTransformerBase<String, XMPPStreamObject> {
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_ChunkedConversionBuffer<List<XmlEvent>, XmlNode> _childBuffer =
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_ChunkedConversionBuffer<List<XmlEvent>, XmlNode> _childBuffer =
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_ChunkedConversionBuffer<List<XmlEvent>, XmlNode>(const XmlNodeDecoder());
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_ChunkedConversionBuffer<List<XmlEvent>, XmlNode>(const XmlNodeDecoder());
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/// The selectors.
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_ChunkedConversionBuffer<List<XmlEvent>, XmlEvent> _childSelector =
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_ChunkedConversionBuffer<List<XmlEvent>, XmlEvent>(XmlSubtreeSelector((event) => event.qualifiedName != 'stream:stream'));
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_ChunkedConversionBuffer<List<XmlEvent>, XmlEvent> _streamHeaderSelector =
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_ChunkedConversionBuffer<List<XmlEvent>, XmlEvent>(XmlSubtreeSelector((event) => event.qualifiedName == 'stream:stream'));
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void reset() {
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void reset() {
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try {
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try {
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_eventBuffer.close();
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_eventBuffer.close();
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@ -81,6 +87,16 @@ class XMPPStreamParser extends StreamTransformerBase<String, XMPPStreamObject> {
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} catch (_) {
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} catch (_) {
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// Do nothing.
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// Do nothing.
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}
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}
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try {
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_childSelector.close();
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} catch (_) {
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// Do nothing.
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}
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try {
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_streamHeaderSelector.close();
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} catch (_) {
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// Do nothing.
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}
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// Recreate the buffers.
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// Recreate the buffers.
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_eventBuffer =
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_eventBuffer =
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@ -88,6 +104,9 @@ class XMPPStreamParser extends StreamTransformerBase<String, XMPPStreamObject> {
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_childBuffer = _ChunkedConversionBuffer<List<XmlEvent>, XmlNode>(
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_childBuffer = _ChunkedConversionBuffer<List<XmlEvent>, XmlNode>(
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const XmlNodeDecoder(),
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const XmlNodeDecoder(),
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);
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);
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_childSelector = _ChunkedConversionBuffer<List<XmlEvent>, XmlEvent>(XmlSubtreeSelector((event) => event.qualifiedName != 'stream:stream'));
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_streamHeaderSelector =
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_ChunkedConversionBuffer<List<XmlEvent>, XmlEvent>(XmlSubtreeSelector((event) => event.qualifiedName == 'stream:stream'));
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}
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}
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@override
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@override
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@ -95,14 +114,9 @@ class XMPPStreamParser extends StreamTransformerBase<String, XMPPStreamObject> {
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// We do not want to use xml's toXmlEvents and toSubtreeEvents methods as they
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// We do not want to use xml's toXmlEvents and toSubtreeEvents methods as they
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// create streams we cannot close. We need to be able to destroy and recreate an
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// create streams we cannot close. We need to be able to destroy and recreate an
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// XML parser whenever we start a new connection.
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// XML parser whenever we start a new connection.
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final childSelector =
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XmlSubtreeSelector((event) => event.qualifiedName != 'stream:stream');
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final streamHeaderSelector =
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XmlSubtreeSelector((event) => event.qualifiedName == 'stream:stream');
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stream.listen((input) {
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stream.listen((input) {
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final events = _eventBuffer.convert(input);
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final events = _eventBuffer.convert(input);
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final streamHeaderEvents = streamHeaderSelector.convert(events);
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final streamHeaderEvents = _streamHeaderSelector.convert(events);
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// Process the stream header separately.
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// Process the stream header separately.
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for (final event in streamHeaderEvents) {
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for (final event in streamHeaderEvents) {
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@ -126,7 +140,7 @@ class XMPPStreamParser extends StreamTransformerBase<String, XMPPStreamObject> {
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}
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}
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// Process the children of the <stream:stream> element.
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// Process the children of the <stream:stream> element.
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final childEvents = childSelector.convert(events);
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final childEvents = _childSelector.convert(events);
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final children = _childBuffer.convert(childEvents);
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final children = _childBuffer.convert(childEvents);
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for (final node in children) {
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for (final node in children) {
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if (node.nodeType == XmlNodeType.ELEMENT) {
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if (node.nodeType == XmlNodeType.ELEMENT) {
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@ -255,7 +255,7 @@ class StreamManagementManager extends XmppManagerBase {
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_pendingAcks++;
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_pendingAcks++;
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_startAckTimer();
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_startAckTimer();
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logger.fine('_pendingAcks is now at $_pendingAcks');
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logger.fine('_pendingAcks is now at $_pendingAcks (caused by <r/>)');
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getAttributes().sendNonza(StreamManagementRequestNonza());
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getAttributes().sendNonza(StreamManagementRequestNonza());
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@ -294,6 +294,7 @@ class StreamManagementManager extends XmppManagerBase {
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/// Called when we receive an <a /> nonza from the server.
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/// Called when we receive an <a /> nonza from the server.
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/// This is a response to the question "How many of my stanzas have you handled".
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/// This is a response to the question "How many of my stanzas have you handled".
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Future<bool> _handleAckResponse(XMLNode nonza) async {
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Future<bool> _handleAckResponse(XMLNode nonza) async {
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logger.finest('Received ack');
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final h = int.parse(nonza.attributes['h']! as String);
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final h = int.parse(nonza.attributes['h']! as String);
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_lastAckTimestamp = DateTime.now().millisecondsSinceEpoch;
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_lastAckTimestamp = DateTime.now().millisecondsSinceEpoch;
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@ -306,6 +307,7 @@ class StreamManagementManager extends XmppManagerBase {
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// Reset the timer
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// Reset the timer
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if (_pendingAcks > 0) {
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if (_pendingAcks > 0) {
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_stopAckTimer();
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_startAckTimer();
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_startAckTimer();
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}
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}
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}
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}
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@ -314,7 +316,7 @@ class StreamManagementManager extends XmppManagerBase {
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_stopAckTimer();
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_stopAckTimer();
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}
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}
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logger.fine('_pendingAcks is now at $_pendingAcks');
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logger.fine('_pendingAcks is now at $_pendingAcks (caused by <a/>)');
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});
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});
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});
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});
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@ -59,6 +59,7 @@ void main() {
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jid: JID.fromString('test'),
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jid: JID.fromString('test'),
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password: 'abc123',
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password: 'abc123',
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),
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),
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() {},
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)
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)
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..registerNegotiator(StubNegotiator1())
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..registerNegotiator(StubNegotiator1())
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..registerNegotiator(StubNegotiator2());
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..registerNegotiator(StubNegotiator2());
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@ -77,6 +78,7 @@ void main() {
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jid: JID.fromString('test'),
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jid: JID.fromString('test'),
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password: 'abc123',
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password: 'abc123',
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),
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),
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() {},
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)
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)
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..registerNegotiator(StubNegotiator1())
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..registerNegotiator(StubNegotiator1())
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..registerNegotiator(StubNegotiator2());
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..registerNegotiator(StubNegotiator2());
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@ -122,24 +122,23 @@ void main() {
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expect(handler.matches(stanza2), false);
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expect(handler.matches(stanza2), false);
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});
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});
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test('Test matching stanzas with a different xmlns', () {
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// test('Test matching stanzas with a different xmlns', () {
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final handler = StanzaHandler(
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// final handler = StanzaHandler(
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callback: (stanza, _) async => StanzaHandlerData(
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// callback: (stanza, _) async => StanzaHandlerData(
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true,
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// true,
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false,
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// false,
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null,
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// null,
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stanza,
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// stanza,
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),
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// ),
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xmlns: componentAcceptXmlns,
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// );
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);
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expect(handler.matches(Stanza.iq(xmlns: stanzaXmlns)), false);
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// expect(handler.matches(Stanza.iq(xmlns: stanzaXmlns)), false);
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expect(handler.matches(Stanza.message(xmlns: stanzaXmlns)), false);
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// expect(handler.matches(Stanza.message(xmlns: stanzaXmlns)), false);
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expect(handler.matches(Stanza.presence(xmlns: stanzaXmlns)), false);
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// expect(handler.matches(Stanza.presence(xmlns: stanzaXmlns)), false);
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expect(handler.matches(Stanza.iq(xmlns: componentAcceptXmlns)), true);
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// expect(handler.matches(Stanza.iq(xmlns: componentAcceptXmlns)), true);
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expect(handler.matches(stanza1), false);
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// expect(handler.matches(stanza1), false);
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expect(handler.matches(stanza2), false);
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// expect(handler.matches(stanza2), false);
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});
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// });
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test('sorting', () {
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test('sorting', () {
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final handlerList = [
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final handlerList = [
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Reference in New Issue
Block a user