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package eu.siacs.conversations.xmpp.jingle;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.util.Log;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.OnIqPacketReceived;
import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
public class JingleConnectionManager {
private XmppConnectionService xmppConnectionService;
private List<JingleConnection> connections = new ArrayList<JingleConnection>();
private HashMap<String, JingleCandidate> primaryCandidates = new HashMap<String, JingleCandidate>();
private SecureRandom random = new SecureRandom();
public JingleConnectionManager(XmppConnectionService service) {
this.xmppConnectionService = service;
}
public void deliverPacket(Account account, JinglePacket packet) {
if (packet.isAction("session-initiate")) {
JingleConnection connection = new JingleConnection(this);
connection.init(account,packet);
connections.add(connection);
} else {
for (JingleConnection connection : connections) {
if (connection.getAccountJid().equals(account.getFullJid()) && connection
.getSessionId().equals(packet.getSessionId()) && connection
.getCounterPart().equals(packet.getFrom())) {
connection.deliverPacket(packet);
return;
}
}
account.getXmppConnection().sendIqPacket(packet.generateRespone(IqPacket.TYPE_ERROR), null);
}
}
public JingleConnection createNewConnection(Message message) {
JingleConnection connection = new JingleConnection(this);
connection.init(message);
this.connections.add(connection);
return connection;
}
public JingleConnection createNewConnection(JinglePacket packet) {
JingleConnection connection = new JingleConnection(this);
this.connections.add(connection);
return connection;
}
public void finishConnection(JingleConnection connection) {
this.connections.remove(connection);
}
public XmppConnectionService getXmppConnectionService() {
return this.xmppConnectionService;
}
public void getPrimaryCandidate(Account account,
final OnPrimaryCandidateFound listener) {
if (!this.primaryCandidates.containsKey(account.getJid())) {
String xmlns = "http://jabber.org/protocol/bytestreams";
final String proxy = account.getXmppConnection()
.findDiscoItemByFeature(xmlns);
if (proxy != null) {
IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
iq.setTo(proxy);
iq.query(xmlns);
account.getXmppConnection().sendIqPacket(iq,
new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account,
IqPacket packet) {
Element streamhost = packet
.query()
.findChild("streamhost",
"http://jabber.org/protocol/bytestreams");
if (streamhost != null) {
JingleCandidate candidate = new JingleCandidate(nextRandomId(),true);
candidate.setHost(streamhost.getAttribute("host"));
candidate.setPort(Integer.parseInt(streamhost.getAttribute("port")));
candidate.setType(JingleCandidate.TYPE_PROXY);
candidate.setJid(proxy);
candidate.setPriority(655360+65535);
primaryCandidates.put(account.getJid(),
candidate);
listener.onPrimaryCandidateFound(true,
candidate);
} else {
listener.onPrimaryCandidateFound(false,
null);
}
}
});
} else {
listener.onPrimaryCandidateFound(false, null);
}
} else {
listener.onPrimaryCandidateFound(true,
this.primaryCandidates.get(account.getJid()));
}
}
public String nextRandomId() {
return new BigInteger(50, random).toString(32);
}
public long getAutoAcceptFileSize() {
String config = this.xmppConnectionService.getPreferences().getString("auto_accept_file_size", "524288");
try {
return Long.parseLong(config);
} catch (NumberFormatException e) {
return 524288;
}
}
public void deliverIbbPacket(Account account, IqPacket packet) {
String sid = null;
Element payload = null;
if (packet.hasChild("open","http://jabber.org/protocol/ibb")) {
payload = packet.findChild("open","http://jabber.org/protocol/ibb");
sid = payload.getAttribute("sid");
} else if (packet.hasChild("data","http://jabber.org/protocol/ibb")) {
payload = packet.findChild("data","http://jabber.org/protocol/ibb");
sid = payload.getAttribute("sid");
}
if (sid!=null) {
for (JingleConnection connection : connections) {
if (connection.hasTransportId(sid)) {
JingleTransport transport = connection.getTransport();
if (transport instanceof JingleInbandTransport) {
JingleInbandTransport inbandTransport = (JingleInbandTransport) transport;
inbandTransport.deliverPayload(packet,payload);
return;
}
}
}
Log.d("xmppService","couldnt deliver payload: "+payload.toString());
} else {
Log.d("xmppService","no sid found in incomming ibb packet");
}
}
public void cancelInTransmission() {
for(JingleConnection connection : this.connections) {
if (connection.getStatus() == JingleConnection.STATUS_TRANSMITTING) {
connection.cancel();
}
}
}
}
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