1package eu.siacs.conversations.xmpp.jingle;
2
3import java.math.BigInteger;
4import java.security.SecureRandom;
5import java.util.ArrayList;
6import java.util.HashMap;
7import java.util.List;
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>();
24
25 private HashMap<String, JingleCandidate> primaryCandidates = new HashMap<String, JingleCandidate>();
26
27 private SecureRandom random = new SecureRandom();
28
29 public JingleConnectionManager(XmppConnectionService service) {
30 this.xmppConnectionService = service;
31 }
32
33 public void deliverPacket(Account account, JinglePacket packet) {
34 if (packet.isAction("session-initiate")) {
35 JingleConnection connection = new JingleConnection(this);
36 connection.init(account,packet);
37 connections.add(connection);
38 } else {
39 for (JingleConnection connection : connections) {
40 if (connection.getAccountJid().equals(account.getFullJid()) && 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 JingleCandidate candidate = new JingleCandidate(nextRandomId(),true);
92 candidate.setHost(streamhost.getAttribute("host"));
93 candidate.setPort(Integer.parseInt(streamhost.getAttribute("port")));
94 candidate.setType(JingleCandidate.TYPE_PROXY);
95 candidate.setJid(proxy);
96 candidate.setPriority(655360+65535);
97 primaryCandidates.put(account.getJid(),
98 candidate);
99 listener.onPrimaryCandidateFound(true,
100 candidate);
101 } else {
102 listener.onPrimaryCandidateFound(false,
103 null);
104 }
105 }
106 });
107 } else {
108 listener.onPrimaryCandidateFound(false, null);
109 }
110
111 } else {
112 Log.d("xmppService","found primary candidate in archive");
113 listener.onPrimaryCandidateFound(true,
114 this.primaryCandidates.get(account.getJid()));
115 }
116 }
117
118 public String nextRandomId() {
119 return new BigInteger(50, random).toString(32);
120 }
121
122 public long getAutoAcceptFileSize() {
123 String config = this.xmppConnectionService.getPreferences().getString("auto_accept_file_size", "524288");
124 try {
125 return Long.parseLong(config);
126 } catch (NumberFormatException e) {
127 return 524288;
128 }
129 }
130}