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 connections.add(connection);
39 } else {
40 for (JingleConnection connection : connections) {
41 if (connection.getAccountJid().equals(account.getFullJid()) && connection
42 .getSessionId().equals(packet.getSessionId()) && connection
43 .getCounterPart().equals(packet.getFrom())) {
44 connection.deliverPacket(packet);
45 return;
46 }
47 }
48 Log.d("xmppService","delivering packet failed "+packet.toString());
49 }
50 }
51
52 public JingleConnection createNewConnection(Message message) {
53 JingleConnection connection = new JingleConnection(this);
54 connection.init(message);
55 connections.add(connection);
56 return connection;
57 }
58
59 public JingleConnection createNewConnection(JinglePacket packet) {
60 JingleConnection connection = new JingleConnection(this);
61 connections.add(connection);
62 return connection;
63 }
64
65 public XmppConnectionService getXmppConnectionService() {
66 return this.xmppConnectionService;
67 }
68
69 public void getPrimaryCandidate(Account account,
70 final OnPrimaryCandidateFound listener) {
71 if (!this.primaryCandidates.containsKey(account.getJid())) {
72 String xmlns = "http://jabber.org/protocol/bytestreams";
73 final String proxy = account.getXmppConnection()
74 .findDiscoItemByFeature(xmlns);
75 if (proxy != null) {
76 IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
77 iq.setTo(proxy);
78 iq.query(xmlns);
79 account.getXmppConnection().sendIqPacket(iq,
80 new OnIqPacketReceived() {
81
82 @Override
83 public void onIqPacketReceived(Account account,
84 IqPacket packet) {
85 Element streamhost = packet
86 .query()
87 .findChild("streamhost",
88 "http://jabber.org/protocol/bytestreams");
89 if (streamhost != null) {
90 Log.d("xmppService", "streamhost found "
91 + streamhost.toString());
92 Element candidate = new Element("candidate");
93 candidate.setAttribute("cid",
94 nextRandomId());
95 candidate.setAttribute("host",
96 streamhost.getAttribute("host"));
97 candidate.setAttribute("port",
98 streamhost.getAttribute("port"));
99 candidate.setAttribute("type", "proxy");
100 candidate.setAttribute("jid", proxy);
101 candidate
102 .setAttribute("priority", "655360");
103 primaryCandidates.put(account.getJid(),
104 candidate);
105 listener.onPrimaryCandidateFound(true,
106 candidate);
107 } else {
108 listener.onPrimaryCandidateFound(false,
109 null);
110 }
111 }
112 });
113 } else {
114 listener.onPrimaryCandidateFound(false, null);
115 }
116
117 } else {
118 listener.onPrimaryCandidateFound(true,
119 this.primaryCandidates.get(account.getJid()));
120 }
121 }
122
123 public String getPrimaryCandidateId(Account account) {
124 if (this.primaryCandidates.containsKey(account.getJid())) {
125 return this.primaryCandidates.get(account.getJid()).getAttribute("cid");
126 } else {
127 return null;
128 }
129 }
130
131 public String nextRandomId() {
132 return new BigInteger(50, random).toString(32);
133 }
134
135 public long getAutoAcceptFileSize() {
136 String config = this.xmppConnectionService.getPreferences().getString("auto_accept_file_size", "0");
137 try {
138 return Long.parseLong(config);
139 } catch (NumberFormatException e) {
140 return 0;
141 }
142 }
143}