1d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 2d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $RCSfile$ 3d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $Revision$ 4d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $Date$ 5d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 6d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Copyright 2009 Jive Software. 7d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 8d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 9d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * you may not use this file except in compliance with the License. 10d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * You may obtain a copy of the License at 11d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 12d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * http://www.apache.org/licenses/LICENSE-2.0 13d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 14d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Unless required by applicable law or agreed to in writing, software 15d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * distributed under the License is distributed on an "AS IS" BASIS, 16d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * See the License for the specific language governing permissions and 18d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * limitations under the License. 19d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 20d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 21d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpackage org.jivesoftware.smack; 22d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 23d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport java.io.StringReader; 24d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 25d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.util.PacketParserUtils; 26d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.sasl.SASLMechanism.Challenge; 27d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.sasl.SASLMechanism.Failure; 28d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.sasl.SASLMechanism.Success; 29d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.xmlpull.v1.XmlPullParserFactory; 30d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.xmlpull.v1.XmlPullParser; 31d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 32d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport com.kenai.jbosh.AbstractBody; 33d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport com.kenai.jbosh.BOSHClientResponseListener; 34d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport com.kenai.jbosh.BOSHMessageEvent; 35d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport com.kenai.jbosh.BodyQName; 36d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport com.kenai.jbosh.ComposableBody; 37d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 38d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 39d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Listens for XML traffic from the BOSH connection manager and parses it into 40d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * packet objects. 41d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 42d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @author Guenther Niess 43d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 44d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpublic class BOSHPacketReader implements BOSHClientResponseListener { 45d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 46d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private BOSHConnection connection; 47d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 48d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 49d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Create a packet reader which listen on a BOSHConnection for received 50d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * HTTP responses, parse the packets and notifies the connection. 51d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 52d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param connection the corresponding connection for the received packets. 53d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 54d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public BOSHPacketReader(BOSHConnection connection) { 55d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen this.connection = connection; 56d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 57d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 58d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 59d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Parse the received packets and notify the corresponding connection. 60d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 61d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param event the BOSH client response which includes the received packet. 62d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 63d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public void responseReceived(BOSHMessageEvent event) { 64d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen AbstractBody body = event.getBody(); 65d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (body != null) { 66d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen try { 67d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (connection.sessionID == null) { 68d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.sessionID = body.getAttribute(BodyQName.create(BOSHConnection.BOSH_URI, "sid")); 69d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 70d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (connection.authID == null) { 71d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.authID = body.getAttribute(BodyQName.create(BOSHConnection.BOSH_URI, "authid")); 72d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 73d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen final XmlPullParser parser = XmlPullParserFactory.newInstance().newPullParser(); 74d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, 75d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen true); 76d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen parser.setInput(new StringReader(body.toXML())); 77d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.getEventType(); 78d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen do { 79d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen eventType = parser.next(); 80d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 81d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("body")) { 82d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // ignore the container root element 83d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("message")) { 84d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(PacketParserUtils.parseMessage(parser)); 85d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("iq")) { 86d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(PacketParserUtils.parseIQ(parser, connection)); 87d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("presence")) { 88d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(PacketParserUtils.parsePresence(parser)); 89d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("challenge")) { 90d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // The server is challenging the SASL authentication 91d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // made by the client 92d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen final String challengeData = parser.nextText(); 93d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication() 94d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen .challengeReceived(challengeData); 95d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(new Challenge( 96d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen challengeData)); 97d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("success")) { 98d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.send(ComposableBody.builder() 99d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen .setNamespaceDefinition("xmpp", BOSHConnection.XMPP_BOSH_NS) 100d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen .setAttribute( 101d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen BodyQName.createWithPrefix(BOSHConnection.XMPP_BOSH_NS, "restart", "xmpp"), 102d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen "true") 103d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen .setAttribute( 104d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen BodyQName.create(BOSHConnection.BOSH_URI, "to"), 105d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getServiceName()) 106d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen .build()); 107d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication().authenticated(); 108d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(new Success(parser.nextText())); 109d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("features")) { 110d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen parseFeatures(parser); 111d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("failure")) { 112d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if ("urn:ietf:params:xml:ns:xmpp-sasl".equals(parser.getNamespace(null))) { 113d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen final Failure failure = PacketParserUtils.parseSASLFailure(parser); 114d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication().authenticationFailed(); 115d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.processPacket(failure); 116d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 117d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("error")) { 118d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen throw new XMPPException(PacketParserUtils.parseStreamError(parser)); 119d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 120d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 121d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } while (eventType != XmlPullParser.END_DOCUMENT); 122d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 123d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen catch (Exception e) { 124d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (connection.isConnected()) { 125d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.notifyConnectionError(e); 126d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 127d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 128d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 129d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 130d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 131d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 132d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Parse and setup the XML stream features. 133d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 134d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @param parser the XML parser, positioned at the start of a message packet. 135d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @throws Exception if an exception occurs while parsing the packet. 136d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 137d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private void parseFeatures(XmlPullParser parser) throws Exception { 138d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 139d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 140d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 141d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 142d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 143d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("mechanisms")) { 144d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // The server is reporting available SASL mechanisms. Store 145d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // this information 146d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // which will be used later while logging (i.e. 147d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // authenticating) into 148d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // the server 149d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication().setAvailableSASLMethods( 150d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen PacketParserUtils.parseMechanisms(parser)); 151d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("bind")) { 152d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // The server requires the client to bind a resource to the 153d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // stream 154d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication().bindingRequired(); 155d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("session")) { 156d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen // The server supports sessions 157d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getSASLAuthentication().sessionsSupported(); 158d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (parser.getName().equals("register")) { 159d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen connection.getAccountManager().setSupportsAccountCreation( 160d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen true); 161d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 162d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 163d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("features")) { 164d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 165d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 166d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 167d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 168d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 169d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen} 170