001/** 002 * 003 * Copyright 2017 Paul Schaub 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smackx.jingle.transports.jingle_s5b.provider; 018 019import static org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.Mode.tcp; 020import static org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.Mode.udp; 021import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_CID; 022import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_HOST; 023import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_JID; 024import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_PORT; 025import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_PRIORITY; 026import static org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate.ATTR_TYPE; 027 028import java.io.IOException; 029 030import org.jivesoftware.smack.packet.XmlEnvironment; 031import org.jivesoftware.smack.xml.XmlPullParser; 032import org.jivesoftware.smack.xml.XmlPullParserException; 033 034import org.jivesoftware.smackx.jingle.element.JingleContentTransportCandidate; 035import org.jivesoftware.smackx.jingle.provider.JingleContentTransportProvider; 036import org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransport; 037import org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportCandidate; 038import org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportInfo; 039import org.jivesoftware.smackx.jingle.transports.jingle_s5b.elements.JingleS5BTransportInfo.JingleS5BCandidateTransportInfo; 040 041/** 042 * Provider for JingleSocks5BytestreamTransport elements. 043 */ 044public class JingleS5BTransportProvider extends JingleContentTransportProvider<JingleS5BTransport> { 045 046 @Override 047 public JingleS5BTransport parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException { 048 JingleS5BTransport.Builder builder = JingleS5BTransport.getBuilder(); 049 050 String streamId = parser.getAttributeValue(null, JingleS5BTransport.ATTR_SID); 051 builder.setStreamId(streamId); 052 053 String dstAddr = parser.getAttributeValue(null, JingleS5BTransport.ATTR_DSTADDR); 054 builder.setDestinationAddress(dstAddr); 055 056 String mode = parser.getAttributeValue(null, JingleS5BTransport.ATTR_MODE); 057 if (mode != null) { 058 builder.setMode(mode.equals(udp.toString()) ? udp : tcp); 059 } 060 061 JingleS5BTransportCandidate.Builder cb; 062 outerloop: while (true) { 063 XmlPullParser.TagEvent tag = parser.nextTag(); 064 switch (tag) { 065 case START_ELEMENT: { 066 String name = parser.getName(); 067 switch (name) { 068 069 case JingleContentTransportCandidate.ELEMENT: 070 cb = JingleS5BTransportCandidate.getBuilder(); 071 cb.setCandidateId(parser.getAttributeValue(null, ATTR_CID)); 072 cb.setHost(parser.getAttributeValue(null, ATTR_HOST)); 073 cb.setJid(parser.getAttributeValue(null, ATTR_JID)); 074 cb.setPriority(Integer.parseInt(parser.getAttributeValue(null, ATTR_PRIORITY))); 075 076 String portString = parser.getAttributeValue(null, ATTR_PORT); 077 if (portString != null) { 078 cb.setPort(Integer.parseInt(portString)); 079 } 080 081 String typeString = parser.getAttributeValue(null, ATTR_TYPE); 082 if (typeString != null) { 083 cb.setType(JingleS5BTransportCandidate.Type.fromString(typeString)); 084 } 085 builder.addTransportCandidate(cb.build()); 086 break; 087 088 case JingleS5BTransportInfo.CandidateActivated.ELEMENT: 089 builder.setTransportInfo(new JingleS5BTransportInfo.CandidateActivated( 090 parser.getAttributeValue(null, 091 JingleS5BCandidateTransportInfo.ATTR_CID))); 092 break; 093 094 case JingleS5BTransportInfo.CandidateUsed.ELEMENT: 095 builder.setTransportInfo(new JingleS5BTransportInfo.CandidateUsed( 096 parser.getAttributeValue(null, 097 JingleS5BCandidateTransportInfo.ATTR_CID))); 098 break; 099 100 case JingleS5BTransportInfo.CandidateError.ELEMENT: 101 builder.setTransportInfo(JingleS5BTransportInfo.CandidateError.INSTANCE); 102 break; 103 104 case JingleS5BTransportInfo.ProxyError.ELEMENT: 105 builder.setTransportInfo(JingleS5BTransportInfo.ProxyError.INSTANCE); 106 break; 107 } 108 } 109 break; 110 111 case END_ELEMENT: { 112 if (parser.getDepth() == initialDepth) { 113 break outerloop; 114 } 115 } 116 break; 117 } 118 } 119 return builder.build(); 120 } 121}