1package eu.siacs.conversations.xmpp.jingle;
2
3import java.math.BigInteger;
4import java.security.SecureRandom;
5import java.util.ArrayList;
6import java.util.List;
7import java.util.concurrent.ConcurrentHashMap;
8
9import android.util.Log;
10
11import eu.siacs.conversations.entities.Account;
12import eu.siacs.conversations.entities.Message;
13import eu.siacs.conversations.services.XmppConnectionService;
14import eu.siacs.conversations.xml.Element;
15import eu.siacs.conversations.xmpp.OnIqPacketReceived;
16import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
17import eu.siacs.conversations.xmpp.stanzas.IqPacket;
18
19public class JingleConnectionManager {
20
21 private XmppConnectionService xmppConnectionService;
22
23 private List<JingleConnection> connections = new ArrayList<JingleConnection>(); // make
24 // concurrent
25
26 private ConcurrentHashMap<String, Element> primaryCandidates = new ConcurrentHashMap<String, Element>();
27
28 private SecureRandom random = new SecureRandom();
29
30 public JingleConnectionManager(XmppConnectionService service) {
31 this.xmppConnectionService = service;
32 }
33
34 public void deliverPacket(Account account, JinglePacket packet) {
35 if (packet.isAction("session-initiate")) {
36 JingleConnection connection = new JingleConnection(this);
37 connection.init(account,packet);
38 } else {
39 for (JingleConnection connection : connections) {
40 if (connection.getAccountJid().equals(account.getJid()) && connection
41 .getSessionId().equals(packet.getSessionId()) && connection
42 .getCounterPart().equals(packet.getFrom())) {
43 connection.deliverPacket(packet);
44 return;
45 }
46 }
47 Log.d("xmppService","delivering packet failed "+packet.toString());
48 }
49 }
50
51 public JingleConnection createNewConnection(Message message) {
52 JingleConnection connection = new JingleConnection(this);
53 connection.init(message);
54 connections.add(connection);
55 return connection;
56 }
57
58 public JingleConnection createNewConnection(JinglePacket packet) {
59 JingleConnection connection = new JingleConnection(this);
60 connections.add(connection);
61 return connection;
62 }
63
64 public XmppConnectionService getXmppConnectionService() {
65 return this.xmppConnectionService;
66 }
67
68 public void getPrimaryCandidate(Account account,
69 final OnPrimaryCandidateFound listener) {
70 if (!this.primaryCandidates.containsKey(account.getJid())) {
71 String xmlns = "http://jabber.org/protocol/bytestreams";
72 final String proxy = account.getXmppConnection()
73 .findDiscoItemByFeature(xmlns);
74 if (proxy != null) {
75 IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
76 iq.setTo(proxy);
77 iq.query(xmlns);
78 account.getXmppConnection().sendIqPacket(iq,
79 new OnIqPacketReceived() {
80
81 @Override
82 public void onIqPacketReceived(Account account,
83 IqPacket packet) {
84 Element streamhost = packet
85 .query()
86 .findChild("streamhost",
87 "http://jabber.org/protocol/bytestreams");
88 if (streamhost != null) {
89 Log.d("xmppService", "streamhost found "
90 + streamhost.toString());
91 Element candidate = new Element("candidate");
92 candidate.setAttribute("cid",
93 nextRandomId());
94 candidate.setAttribute("host",
95 streamhost.getAttribute("host"));
96 candidate.setAttribute("port",
97 streamhost.getAttribute("port"));
98 candidate.setAttribute("type", "proxy");
99 candidate.setAttribute("jid", proxy);
100 candidate
101 .setAttribute("priority", "655360");
102 primaryCandidates.put(account.getJid(),
103 candidate);
104 listener.onPrimaryCandidateFound(true,
105 candidate);
106 } else {
107 listener.onPrimaryCandidateFound(false,
108 null);
109 }
110 }
111 });
112 } else {
113 listener.onPrimaryCandidateFound(false, null);
114 }
115
116 } else {
117 listener.onPrimaryCandidateFound(true,
118 this.primaryCandidates.get(account.getJid()));
119 }
120 }
121
122 public String nextRandomId() {
123 return new BigInteger(50, random).toString(32);
124 }
125
126 public long getAutoAcceptFileSize() {
127 return this.xmppConnectionService.getPreferences().getLong("auto_accept_file_size", 0);
128 }
129}