feat: Add moxxmpp_socket
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parent
3fd0f0ac23
commit
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moxxmpp_socket/.flutter-plugins
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moxxmpp_socket/.flutter-plugins
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# This is a generated file; do not edit or check into version control.
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moxdns=/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns-0.1.4/
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moxdns_android=/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_android-0.1.4/
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moxdns_linux=/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_linux-0.1.4/
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moxxmpp_socket/.flutter-plugins-dependencies
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moxxmpp_socket/.flutter-plugins-dependencies
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{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[],"android":[{"name":"moxdns_android","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_android-0.1.4/","native_build":true,"dependencies":[]}],"macos":[],"linux":[{"name":"moxdns_linux","path":"/home/alexander/.pub-cache/hosted/git.polynom.me%47api%47packages%47Moxxy%47pub%47/moxdns_linux-0.1.4/","native_build":true,"dependencies":[]}],"windows":[],"web":[]},"dependencyGraph":[{"name":"moxdns","dependencies":["moxdns_android","moxdns_linux"]},{"name":"moxdns_android","dependencies":["moxdns"]},{"name":"moxdns_linux","dependencies":["moxdns"]}],"date_created":"2022-11-05 14:01:31.714716","version":"3.3.3"}
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moxxmpp_socket/CHANGELOG.md
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moxxmpp_socket/CHANGELOG.md
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## 1.0.0
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- Initial version.
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moxxmpp_socket/LICENSE
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moxxmpp_socket/LICENSE
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MIT License
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Copyright (c) 2022 Alexander "PapaTutuWawa"
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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moxxmpp_socket/README.md
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moxxmpp_socket/README.md
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# moxxmpp_socket
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A socket for moxxmpp that does SRV resolution.
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## License
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See `./LICENSE`.
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3
moxxmpp_socket/lib/moxxmpp_socket.dart
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moxxmpp_socket/lib/moxxmpp_socket.dart
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library moxxmpp_socket;
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export 'src/socket.dart';
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moxxmpp_socket/lib/src/rfc_2782.dart
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moxxmpp_socket/lib/src/rfc_2782.dart
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import 'package:moxdns/moxdns.dart';
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/// Sorts the SRV records according to priority and weight.
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int srvRecordSortComparator(SrvRecord a, SrvRecord b) {
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if (a.priority < b.priority) {
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return -1;
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} else {
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if (a.priority > b.priority) {
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return 1;
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}
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// a.priority == b.priority
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if (a.weight < b.weight) {
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return -1;
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} else if (a.weight > b.weight) {
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return 1;
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} else {
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return 0;
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}
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}
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}
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286
moxxmpp_socket/lib/src/socket.dart
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moxxmpp_socket/lib/src/socket.dart
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:logging/logging.dart';
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import 'package:moxdns/moxdns.dart';
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import 'package:moxxmpp/moxxmpp.dart';
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import 'package:moxxmpp_socket/src/rfc_2782.dart';
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/// TCP socket implementation for XmppConnection
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class TCPSocketWrapper extends BaseSocketWrapper {
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TCPSocketWrapper(this._logData)
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: _log = Logger('TCPSocketWrapper'),
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_dataStream = StreamController.broadcast(),
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_eventStream = StreamController.broadcast(),
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_secure = false,
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_ignoreSocketClosure = false;
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Socket? _socket;
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bool _ignoreSocketClosure;
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final StreamController<String> _dataStream;
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final StreamController<XmppSocketEvent> _eventStream;
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StreamSubscription<dynamic>? _socketSubscription;
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final Logger _log;
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final bool _logData;
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bool _secure;
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@override
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bool isSecure() => _secure;
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@override
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bool whitespacePingAllowed() => true;
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@override
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bool managesKeepalives() => false;
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/// Allow the socket to be destroyed by cancelling internal subscriptions.
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void destroy() {
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_socketSubscription?.cancel();
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}
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bool _onBadCertificate(dynamic certificate, String domain) {
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_log.fine('Bad certificate: ${certificate.toString()}');
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//final isExpired = certificate.endValidity.isAfter(DateTime.now());
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// TODO(Unknown): Either validate the certificate ourselves or use a platform native
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// hostname verifier (or Dart adds it themselves)
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return false;
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}
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Future<bool> _xep368Connect(String domain) async {
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// TODO(Unknown): Maybe do DNSSEC one day
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final results = await MoxdnsPlugin.srvQuery('_xmpps-client._tcp.$domain', false);
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if (results.isEmpty) {
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return false;
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}
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results.sort(srvRecordSortComparator);
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for (final srv in results) {
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try {
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_log.finest('Attempting secure connection to ${srv.target}:${srv.port}...');
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_ignoreSocketClosure = true;
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_socket = await SecureSocket.connect(
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srv.target,
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srv.port,
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timeout: const Duration(seconds: 5),
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supportedProtocols: const [ xmppClientALPNId ],
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onBadCertificate: (cert) => _onBadCertificate(cert, domain),
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);
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_ignoreSocketClosure = false;
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_secure = true;
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_log.finest('Success!');
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return true;
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} on SocketException catch(e) {
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_log.finest('Failure! $e');
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_ignoreSocketClosure = false;
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}
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}
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return false;
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}
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Future<bool> _rfc6120Connect(String domain) async {
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// TODO(Unknown): Maybe do DNSSEC one day
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final results = await MoxdnsPlugin.srvQuery('_xmpp-client._tcp.$domain', false);
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results.sort(srvRecordSortComparator);
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for (final srv in results) {
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try {
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_log.finest('Attempting connection to ${srv.target}:${srv.port}...');
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_ignoreSocketClosure = true;
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_socket = await Socket.connect(
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srv.target,
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srv.port,
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timeout: const Duration(seconds: 5),
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);
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_ignoreSocketClosure = false;
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_log.finest('Success!');
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return true;
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} on SocketException catch(e) {
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_log.finest('Failure! $e');
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_ignoreSocketClosure = false;
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continue;
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}
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}
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return _rfc6120FallbackConnect(domain);
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}
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/// Connect to [host] with port [port] and returns true if the connection
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/// was successfully established. Does not setup the streams as this has
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/// to be done by the caller.
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Future<bool> _hostPortConnect(String host, int port) async {
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try {
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_log.finest('Attempting fallback connection to $host:$port...');
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_ignoreSocketClosure = true;
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_socket = await Socket.connect(
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host,
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port,
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timeout: const Duration(seconds: 5),
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);
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_log.finest('Success!');
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return true;
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} on SocketException catch(e) {
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_log.finest('Failure! $e');
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_ignoreSocketClosure = false;
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return false;
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}
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}
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/// Connect to [domain] using the default C2S port of XMPP. Returns
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/// true if the connection was successful. Does not setup the streams
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/// as [_rfc6120FallbackConnect] should only be called from
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/// [_rfc6120Connect], which already sets the streams up on a successful
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/// connection.
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Future<bool> _rfc6120FallbackConnect(String domain) async {
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return _hostPortConnect(domain, 5222);
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}
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@override
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Future<bool> secure(String domain) async {
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if (_secure) {
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_log.warning('Connection is already marked as secure. Doing nothing');
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return true;
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}
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if (_socket == null) {
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_log.severe('Failed to secure socket since _socket is null');
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return false;
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}
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_ignoreSocketClosure = true;
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try {
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_socket = await SecureSocket.secure(
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_socket!,
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supportedProtocols: const [ xmppClientALPNId ],
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onBadCertificate: (cert) => _onBadCertificate(cert, domain),
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);
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_secure = true;
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_ignoreSocketClosure = false;
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_setupStreams();
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return true;
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} on SocketException {
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_ignoreSocketClosure = false;
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return false;
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}
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}
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void _setupStreams() {
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if (_socket == null) {
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_log.severe('Failed to setup streams as _socket is null');
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return;
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}
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_socketSubscription = _socket!.listen(
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(List<int> event) {
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final data = utf8.decode(event);
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if (_logData) {
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_log.finest('<== $data');
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}
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_dataStream.add(data);
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},
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onError: (Object error) {
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_log.severe(error.toString());
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_eventStream.add(XmppSocketErrorEvent(error));
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},
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);
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// ignore: implicit_dynamic_parameter
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_socket!.done.then((_) {
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if (!_ignoreSocketClosure) {
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_eventStream.add(XmppSocketClosureEvent());
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}
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});
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}
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@override
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Future<bool> connect(String domain, { String? host, int? port }) async {
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_ignoreSocketClosure = false;
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_secure = false;
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// Connection order:
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// 1. host:port, if given
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// 2. XEP-0368
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// 3. RFC 6120
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// 4. RFC 6120 fallback
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if (host != null && port != null) {
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_log.finest('Specific host and port given');
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if (await _hostPortConnect(host, port)) {
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_setupStreams();
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return true;
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}
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}
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if (await _xep368Connect(domain)) {
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_setupStreams();
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return true;
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}
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// NOTE: _rfc6120Connect already attempts the fallback
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if (await _rfc6120Connect(domain)) {
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_setupStreams();
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return true;
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}
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return false;
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}
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@override
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void close() {
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if (_socketSubscription != null) {
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_log.finest('Closing socket subscription');
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_socketSubscription!.cancel();
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}
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if (_socket == null) {
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_log.warning('Failed to close socket since _socket is null');
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return;
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}
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_ignoreSocketClosure = true;
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try {
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_socket!.close();
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} catch(e) {
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_log.warning('Closing socket threw exception: $e');
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}
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_ignoreSocketClosure = false;
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}
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@override
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Stream<String> getDataStream() => _dataStream.stream.asBroadcastStream();
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@override
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Stream<XmppSocketEvent> getEventStream() => _eventStream.stream.asBroadcastStream();
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@override
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void write(Object? data, { String? redact }) {
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if (_socket == null) {
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_log.severe('Failed to write to socket as _socket is null');
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return;
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}
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if (data != null && data is String && _logData) {
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if (redact != null) {
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_log.finest('**> $redact');
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} else {
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_log.finest('==> $data');
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}
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}
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try {
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_socket!.write(data);
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} on SocketException catch (e) {
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_log.severe(e);
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_eventStream.add(XmppSocketErrorEvent(e));
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}
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}
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@override
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void prepareDisconnect() {
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_ignoreSocketClosure = true;
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}
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}
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22
moxxmpp_socket/pubspec.yaml
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22
moxxmpp_socket/pubspec.yaml
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name: moxxmpp_socket
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description: A socket for moxxmpp that resolves SRV records
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version: 0.1.0
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homepage: https://codeberg.org/moxxy/moxxmpp
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publish_to: https://git.polynom.me/api/packages/Moxxy/pub
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environment:
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sdk: '>=2.18.0 <3.0.0'
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flutter: '>=2.13.0-0.1'
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dependencies:
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moxdns:
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hosted: https://git.polynom.me/api/packages/Moxxy/pub
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version: 0.1.4
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moxxmpp:
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hosted: https://git.polynom.me/api/packages/Moxxy/pub
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version: 0.1.0
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dev_dependencies:
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lints: ^2.0.0
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test: ^1.16.0
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very_good_analysis: ^3.0.1
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