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package eu.siacs.conversations.xmpp.jingle;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import android.util.Log;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Conversation;
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.Content;
import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
public class JingleConnection {
private JingleConnectionManager mJingleConnectionManager;
private XmppConnectionService mXmppConnectionService;
public static final int STATUS_INITIATED = 0;
public static final int STATUS_ACCEPTED = 1;
public static final int STATUS_TERMINATED = 2;
public static final int STATUS_CANCELED = 3;
public static final int STATUS_FINISHED = 4;
public static final int STATUS_FAILED = 99;
private int status = -1;
private Message message;
private String sessionId;
private Account account;
private String initiator;
private String responder;
private List<Element> candidates = new ArrayList<Element>();
private HashMap<String, SocksConnection> connections = new HashMap<String, SocksConnection>();
private JingleFile file = null;
private OnIqPacketReceived responseListener = new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
if (packet.getType() == IqPacket.TYPE_ERROR) {
mXmppConnectionService.markMessage(message, Message.STATUS_SEND_FAILED);
status = STATUS_FAILED;
}
}
};
public JingleConnection(JingleConnectionManager mJingleConnectionManager) {
this.mJingleConnectionManager = mJingleConnectionManager;
this.mXmppConnectionService = mJingleConnectionManager.getXmppConnectionService();
}
public String getSessionId() {
return this.sessionId;
}
public String getAccountJid() {
return this.account.getJid();
}
public String getCounterPart() {
return this.message.getCounterpart();
}
public void deliverPacket(JinglePacket packet) {
if (packet.isAction("session-terminate")) {
Reason reason = packet.getReason();
if (reason.hasChild("cancel")) {
this.cancel();
} else if (reason.hasChild("success")) {
this.finish();
}
} else if (packet.isAction("session-accept")) {
accept(packet);
} else if (packet.isAction("transport-info")) {
transportInfo(packet);
} else {
Log.d("xmppService","packet arrived in connection. action was "+packet.getAction());
}
}
public void init(Message message) {
this.message = message;
this.account = message.getConversation().getAccount();
this.initiator = this.account.getFullJid();
this.responder = this.message.getCounterpart();
this.sessionId = this.mJingleConnectionManager.nextRandomId();
if (this.candidates.size() > 0) {
this.sendInitRequest();
} else {
this.mJingleConnectionManager.getPrimaryCandidate(account, new OnPrimaryCandidateFound() {
@Override
public void onPrimaryCandidateFound(boolean success, Element canditate) {
if (success) {
candidates.add(canditate);
}
sendInitRequest();
}
});
}
}
public void init(Account account, JinglePacket packet) {
Conversation conversation = this.mXmppConnectionService.findOrCreateConversation(account, packet.getFrom().split("/")[0], false);
this.message = new Message(conversation, "receiving image file", Message.ENCRYPTION_NONE);
this.message.setType(Message.TYPE_IMAGE);
this.message.setStatus(Message.STATUS_RECIEVING);
this.account = account;
this.initiator = packet.getFrom();
this.responder = this.account.getFullJid();
this.sessionId = packet.getSessionId();
this.candidates.addAll(packet.getJingleContent().getCanditates());
Log.d("xmppService","new incomming jingle session "+this.sessionId+" num canditaes:"+this.candidates.size());
}
private void sendInitRequest() {
JinglePacket packet = this.bootstrapPacket();
packet.setAction("session-initiate");
packet.setInitiator(this.account.getFullJid());
Content content = new Content();
if (message.getType() == Message.TYPE_IMAGE) {
content.setAttribute("creator", "initiator");
content.setAttribute("name", "a-file-offer");
this.file = this.mXmppConnectionService.getFileBackend().getImageFile(message);
content.offerFile(file,message.getBody());
content.setCandidates(this.mJingleConnectionManager.nextRandomId(),this.candidates);
packet.setContent(content);
Log.d("xmppService",packet.toString());
account.getXmppConnection().sendIqPacket(packet, this.responseListener);
this.status = STATUS_INITIATED;
}
}
private JinglePacket bootstrapPacket() {
JinglePacket packet = new JinglePacket();
packet.setFrom(account.getFullJid());
packet.setTo(this.message.getCounterpart()); //fixme, not right in all cases;
packet.setSessionId(this.sessionId);
return packet;
}
private void accept(JinglePacket packet) {
Log.d("xmppService","session-accept: "+packet.toString());
Content content = packet.getJingleContent();
this.candidates.addAll(content.getCanditates());
this.status = STATUS_ACCEPTED;
this.connectWithCandidates();
IqPacket response = packet.generateRespone(IqPacket.TYPE_RESULT);
Log.d("xmppService","response "+response.toString());
account.getXmppConnection().sendIqPacket(response, null);
}
private void transportInfo(JinglePacket packet) {
Content content = packet.getJingleContent();
Log.d("xmppService","transport info : "+content.toString());
String cid = content.getUsedCandidate();
if (cid!=null) {
final JingleFile file = this.mXmppConnectionService.getFileBackend().getImageFile(this.message);
final SocksConnection connection = this.connections.get(cid);
final OnFileTransmitted callback = new OnFileTransmitted() {
@Override
public void onFileTransmitted(JingleFile file) {
Log.d("xmppService","sucessfully transmitted file. sha1:"+file.getSha1Sum());
}
};
final IqPacket response = packet.generateRespone(IqPacket.TYPE_RESULT);
if (connection.isProxy()) {
IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
activation.setTo(connection.getJid());
activation.query("http://jabber.org/protocol/bytestreams").setAttribute("sid", this.getSessionId());
activation.query().addChild("activate").setContent(this.getResponder());
Log.d("xmppService","connection is proxy. need to activate "+activation.toString());
this.account.getXmppConnection().sendIqPacket(activation, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
account.getXmppConnection().sendIqPacket(response, null);
Log.d("xmppService","activation result: "+packet.toString());
connection.send(file,callback);
}
});
} else {
account.getXmppConnection().sendIqPacket(response, null);
connection.send(file,callback);
}
}
}
private void finish() {
this.status = STATUS_FINISHED;
this.mXmppConnectionService.markMessage(this.message, Message.STATUS_SEND);
this.disconnect();
}
public void cancel() {
this.disconnect();
this.status = STATUS_CANCELED;
this.mXmppConnectionService.markMessage(this.message, Message.STATUS_SEND_REJECTED);
}
private void connectWithCandidates() {
for(Element canditate : this.candidates) {
String host = canditate.getAttribute("host");
int port = Integer.parseInt(canditate.getAttribute("port"));
String type = canditate.getAttribute("type");
String jid = canditate.getAttribute("jid");
SocksConnection socksConnection = new SocksConnection(this, host, jid, port,type);
socksConnection.connect();
this.connections.put(canditate.getAttribute("cid"), socksConnection);
}
}
private void disconnect() {
Iterator<Entry<String, SocksConnection>> it = this.connections.entrySet().iterator();
while (it.hasNext()) {
Entry<String, SocksConnection> pairs = it.next();
pairs.getValue().disconnect();
it.remove();
}
}
private void sendCandidateUsed(String cid) {
}
public String getInitiator() {
return this.initiator;
}
public String getResponder() {
return this.responder;
}
public int getStatus() {
return this.status;
}
}
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