904 lines
28 KiB
Java
904 lines
28 KiB
Java
package eu.siacs.conversations.xmpp.jingle;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map.Entry;
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import java.util.concurrent.ConcurrentHashMap;
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import android.content.Intent;
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import android.graphics.BitmapFactory;
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import android.net.Uri;
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import android.util.Log;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.Conversation;
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import eu.siacs.conversations.entities.Downloadable;
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import eu.siacs.conversations.entities.DownloadableFile;
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import eu.siacs.conversations.entities.Message;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xmpp.OnIqPacketReceived;
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import eu.siacs.conversations.xmpp.jid.Jid;
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import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
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import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
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import eu.siacs.conversations.xmpp.jingle.stanzas.Reason;
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import eu.siacs.conversations.xmpp.stanzas.IqPacket;
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public class JingleConnection implements Downloadable {
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private final String[] extensions = { "webp", "jpeg", "jpg", "png" };
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private final String[] cryptoExtensions = { "pgp", "gpg", "otr" };
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private JingleConnectionManager mJingleConnectionManager;
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private XmppConnectionService mXmppConnectionService;
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protected static final int JINGLE_STATUS_INITIATED = 0;
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protected static final int JINGLE_STATUS_ACCEPTED = 1;
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protected static final int JINGLE_STATUS_TERMINATED = 2;
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protected static final int JINGLE_STATUS_CANCELED = 3;
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protected static final int JINGLE_STATUS_FINISHED = 4;
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protected static final int JINGLE_STATUS_TRANSMITTING = 5;
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protected static final int JINGLE_STATUS_FAILED = 99;
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private int ibbBlockSize = 4096;
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private int mJingleStatus = -1;
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private int mStatus = -1;
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private Message message;
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private String sessionId;
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private Account account;
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private Jid initiator;
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private Jid responder;
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private List<JingleCandidate> candidates = new ArrayList<>();
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private ConcurrentHashMap<String, JingleSocks5Transport> connections = new ConcurrentHashMap<>();
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private String transportId;
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private Element fileOffer;
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private DownloadableFile file = null;
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private String contentName;
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private String contentCreator;
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private boolean receivedCandidate = false;
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private boolean sentCandidate = false;
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private boolean acceptedAutomatically = false;
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private JingleTransport transport = null;
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private OnIqPacketReceived responseListener = new OnIqPacketReceived() {
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@Override
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public void onIqPacketReceived(Account account, IqPacket packet) {
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if (packet.getType() == IqPacket.TYPE_ERROR) {
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cancel();
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}
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}
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};
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final OnFileTransmissionStatusChanged onFileTransmissionSatusChanged = new OnFileTransmissionStatusChanged() {
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@Override
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public void onFileTransmitted(DownloadableFile file) {
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if (responder.equals(account.getFullJid())) {
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sendSuccess();
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if (acceptedAutomatically) {
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message.markUnread();
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JingleConnection.this.mXmppConnectionService
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.getNotificationService().push(message);
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}
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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BitmapFactory.decodeFile(file.getAbsolutePath(), options);
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int imageHeight = options.outHeight;
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int imageWidth = options.outWidth;
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message.setBody(Long.toString(file.getSize()) + '|'
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+ imageWidth + '|' + imageHeight);
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mXmppConnectionService.databaseBackend.createMessage(message);
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mXmppConnectionService.markMessage(message,
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Message.STATUS_RECEIVED);
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}
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Log.d(Config.LOGTAG,
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"sucessfully transmitted file:" + file.getAbsolutePath());
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if (message.getEncryption() != Message.ENCRYPTION_PGP) {
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Intent intent = new Intent(
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Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
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intent.setData(Uri.fromFile(file));
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mXmppConnectionService.sendBroadcast(intent);
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}
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}
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@Override
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public void onFileTransferAborted() {
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JingleConnection.this.sendCancel();
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JingleConnection.this.cancel();
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}
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};
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private OnProxyActivated onProxyActivated = new OnProxyActivated() {
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@Override
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public void success() {
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if (initiator.equals(account.getFullJid())) {
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Log.d(Config.LOGTAG, "we were initiating. sending file");
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transport.send(file, onFileTransmissionSatusChanged);
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} else {
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transport.receive(file, onFileTransmissionSatusChanged);
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Log.d(Config.LOGTAG, "we were responding. receiving file");
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}
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}
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@Override
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public void failed() {
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Log.d(Config.LOGTAG, "proxy activation failed");
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}
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};
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public JingleConnection(JingleConnectionManager mJingleConnectionManager) {
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this.mJingleConnectionManager = mJingleConnectionManager;
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this.mXmppConnectionService = mJingleConnectionManager
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.getXmppConnectionService();
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}
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public String getSessionId() {
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return this.sessionId;
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}
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public Account getAccount() {
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return this.account;
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}
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public Jid getCounterPart() {
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return this.message.getCounterpart();
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}
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public void deliverPacket(JinglePacket packet) {
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boolean returnResult = true;
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if (packet.isAction("session-terminate")) {
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Reason reason = packet.getReason();
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if (reason != null) {
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if (reason.hasChild("cancel")) {
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this.cancel();
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} else if (reason.hasChild("success")) {
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this.receiveSuccess();
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} else {
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this.cancel();
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}
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} else {
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this.cancel();
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}
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} else if (packet.isAction("session-accept")) {
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returnResult = receiveAccept(packet);
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} else if (packet.isAction("transport-info")) {
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returnResult = receiveTransportInfo(packet);
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} else if (packet.isAction("transport-replace")) {
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if (packet.getJingleContent().hasIbbTransport()) {
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returnResult = this.receiveFallbackToIbb(packet);
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} else {
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returnResult = false;
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Log.d(Config.LOGTAG, "trying to fallback to something unknown"
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+ packet.toString());
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}
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} else if (packet.isAction("transport-accept")) {
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returnResult = this.receiveTransportAccept(packet);
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} else {
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Log.d(Config.LOGTAG, "packet arrived in connection. action was "
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+ packet.getAction());
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returnResult = false;
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}
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IqPacket response;
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if (returnResult) {
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response = packet.generateRespone(IqPacket.TYPE_RESULT);
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} else {
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response = packet.generateRespone(IqPacket.TYPE_ERROR);
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}
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account.getXmppConnection().sendIqPacket(response, null);
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}
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public void init(Message message) {
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this.contentCreator = "initiator";
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this.contentName = this.mJingleConnectionManager.nextRandomId();
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this.message = message;
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this.account = message.getConversation().getAccount();
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this.initiator = this.account.getFullJid();
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this.responder = this.message.getCounterpart();
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this.sessionId = this.mJingleConnectionManager.nextRandomId();
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if (this.candidates.size() > 0) {
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this.sendInitRequest();
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} else {
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this.mJingleConnectionManager.getPrimaryCandidate(account,
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new OnPrimaryCandidateFound() {
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@Override
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public void onPrimaryCandidateFound(boolean success,
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final JingleCandidate candidate) {
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if (success) {
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final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
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JingleConnection.this, candidate);
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connections.put(candidate.getCid(),
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socksConnection);
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socksConnection
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.connect(new OnTransportConnected() {
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@Override
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public void failed() {
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Log.d(Config.LOGTAG,
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"connection to our own primary candidete failed");
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sendInitRequest();
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}
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@Override
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public void established() {
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Log.d(Config.LOGTAG,
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"succesfully connected to our own primary candidate");
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mergeCandidate(candidate);
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sendInitRequest();
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}
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});
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mergeCandidate(candidate);
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} else {
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Log.d(Config.LOGTAG,
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"no primary candidate of our own was found");
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sendInitRequest();
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}
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}
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});
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}
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}
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public void init(Account account, JinglePacket packet) {
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this.mJingleStatus = JINGLE_STATUS_INITIATED;
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Conversation conversation = this.mXmppConnectionService
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.findOrCreateConversation(account,
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packet.getFrom().toBareJid(), false);
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this.message = new Message(conversation, "", Message.ENCRYPTION_NONE);
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this.message.setStatus(Message.STATUS_RECEIVED);
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this.message.setType(Message.TYPE_IMAGE);
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this.mStatus = Downloadable.STATUS_OFFER;
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this.message.setDownloadable(this);
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final Jid from = packet.getFrom();
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this.message.setCounterpart(from);
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this.account = account;
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this.initiator = packet.getFrom();
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this.responder = this.account.getFullJid();
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this.sessionId = packet.getSessionId();
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Content content = packet.getJingleContent();
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this.contentCreator = content.getAttribute("creator");
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this.contentName = content.getAttribute("name");
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this.transportId = content.getTransportId();
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this.mergeCandidates(JingleCandidate.parse(content.socks5transport()
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.getChildren()));
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this.fileOffer = packet.getJingleContent().getFileOffer();
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if (fileOffer != null) {
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Element fileSize = fileOffer.findChild("size");
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Element fileNameElement = fileOffer.findChild("name");
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if (fileNameElement != null) {
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boolean supportedFile = false;
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String[] filename = fileNameElement.getContent()
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.toLowerCase(Locale.US).split("\\.");
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if (Arrays.asList(this.extensions).contains(
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filename[filename.length - 1])) {
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supportedFile = true;
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} else if (Arrays.asList(this.cryptoExtensions).contains(
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filename[filename.length - 1])) {
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if (filename.length == 3) {
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if (Arrays.asList(this.extensions).contains(
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filename[filename.length - 2])) {
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supportedFile = true;
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if (filename[filename.length - 1].equals("otr")) {
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Log.d(Config.LOGTAG, "receiving otr file");
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this.message
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.setEncryption(Message.ENCRYPTION_OTR);
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} else {
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this.message
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.setEncryption(Message.ENCRYPTION_PGP);
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}
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}
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}
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}
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if (supportedFile) {
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long size = Long.parseLong(fileSize.getContent());
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message.setBody(Long.toString(size));
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conversation.add(message);
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mXmppConnectionService.updateConversationUi();
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if (size <= this.mJingleConnectionManager
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.getAutoAcceptFileSize()) {
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Log.d(Config.LOGTAG, "auto accepting file from "
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+ packet.getFrom());
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this.acceptedAutomatically = true;
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this.sendAccept();
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} else {
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message.markUnread();
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Log.d(Config.LOGTAG,
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"not auto accepting new file offer with size: "
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+ size
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+ " allowed size:"
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+ this.mJingleConnectionManager
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.getAutoAcceptFileSize());
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this.mXmppConnectionService.getNotificationService()
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.push(message);
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}
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this.file = this.mXmppConnectionService.getFileBackend()
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.getFile(message, false);
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if (message.getEncryption() == Message.ENCRYPTION_OTR) {
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byte[] key = conversation.getSymmetricKey();
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if (key == null) {
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this.sendCancel();
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this.cancel();
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return;
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} else {
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this.file.setKey(key);
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}
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}
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this.file.setExpectedSize(size);
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} else {
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this.sendCancel();
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this.cancel();
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}
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} else {
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this.sendCancel();
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this.cancel();
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}
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} else {
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this.sendCancel();
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this.cancel();
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}
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}
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private void sendInitRequest() {
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this.mXmppConnectionService.markMessage(this.message, Message.STATUS_OFFERED);
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JinglePacket packet = this.bootstrapPacket("session-initiate");
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Content content = new Content(this.contentCreator, this.contentName);
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if (message.getType() == Message.TYPE_IMAGE) {
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content.setTransportId(this.transportId);
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this.file = this.mXmppConnectionService.getFileBackend().getFile(
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message, false);
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if (message.getEncryption() == Message.ENCRYPTION_OTR) {
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Conversation conversation = this.message.getConversation();
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this.mXmppConnectionService.renewSymmetricKey(conversation);
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content.setFileOffer(this.file, true);
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this.file.setKey(conversation.getSymmetricKey());
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} else {
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content.setFileOffer(this.file, false);
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}
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this.transportId = this.mJingleConnectionManager.nextRandomId();
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content.setTransportId(this.transportId);
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content.socks5transport().setChildren(getCandidatesAsElements());
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packet.setContent(content);
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this.sendJinglePacket(packet);
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this.mJingleStatus = JINGLE_STATUS_INITIATED;
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}
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}
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private List<Element> getCandidatesAsElements() {
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List<Element> elements = new ArrayList<>();
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for (JingleCandidate c : this.candidates) {
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elements.add(c.toElement());
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}
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return elements;
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}
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private void sendAccept() {
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mJingleStatus = JINGLE_STATUS_ACCEPTED;
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this.mStatus = Downloadable.STATUS_DOWNLOADING;
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mXmppConnectionService.updateConversationUi();
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this.mJingleConnectionManager.getPrimaryCandidate(this.account,
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new OnPrimaryCandidateFound() {
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@Override
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public void onPrimaryCandidateFound(boolean success,
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final JingleCandidate candidate) {
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final JinglePacket packet = bootstrapPacket("session-accept");
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final Content content = new Content(contentCreator,
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contentName);
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content.setFileOffer(fileOffer);
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content.setTransportId(transportId);
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if ((success) && (!equalCandidateExists(candidate))) {
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final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
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JingleConnection.this, candidate);
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connections.put(candidate.getCid(), socksConnection);
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socksConnection.connect(new OnTransportConnected() {
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@Override
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public void failed() {
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Log.d(Config.LOGTAG,
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"connection to our own primary candidate failed");
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content.socks5transport().setChildren(
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getCandidatesAsElements());
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packet.setContent(content);
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sendJinglePacket(packet);
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connectNextCandidate();
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}
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@Override
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public void established() {
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Log.d(Config.LOGTAG,
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"connected to primary candidate");
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mergeCandidate(candidate);
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content.socks5transport().setChildren(
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getCandidatesAsElements());
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packet.setContent(content);
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sendJinglePacket(packet);
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connectNextCandidate();
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}
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});
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} else {
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Log.d(Config.LOGTAG,
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"did not find a primary candidate for ourself");
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content.socks5transport().setChildren(
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getCandidatesAsElements());
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packet.setContent(content);
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sendJinglePacket(packet);
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connectNextCandidate();
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}
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}
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});
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}
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private JinglePacket bootstrapPacket(String action) {
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JinglePacket packet = new JinglePacket();
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packet.setAction(action);
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packet.setFrom(account.getFullJid());
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packet.setTo(this.message.getCounterpart());
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packet.setSessionId(this.sessionId);
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packet.setInitiator(this.initiator);
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return packet;
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}
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private void sendJinglePacket(JinglePacket packet) {
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// Log.d(Config.LOGTAG,packet.toString());
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account.getXmppConnection().sendIqPacket(packet, responseListener);
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}
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private boolean receiveAccept(JinglePacket packet) {
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Content content = packet.getJingleContent();
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mergeCandidates(JingleCandidate.parse(content.socks5transport()
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.getChildren()));
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this.mJingleStatus = JINGLE_STATUS_ACCEPTED;
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mXmppConnectionService.markMessage(message, Message.STATUS_UNSEND);
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this.connectNextCandidate();
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return true;
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}
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private boolean receiveTransportInfo(JinglePacket packet) {
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Content content = packet.getJingleContent();
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if (content.hasSocks5Transport()) {
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if (content.socks5transport().hasChild("activated")) {
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if ((this.transport != null)
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&& (this.transport instanceof JingleSocks5Transport)) {
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onProxyActivated.success();
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} else {
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String cid = content.socks5transport()
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.findChild("activated").getAttribute("cid");
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Log.d(Config.LOGTAG, "received proxy activated (" + cid
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+ ")prior to choosing our own transport");
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JingleSocks5Transport connection = this.connections
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.get(cid);
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if (connection != null) {
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connection.setActivated(true);
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} else {
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Log.d(Config.LOGTAG, "activated connection not found");
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this.sendCancel();
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this.cancel();
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}
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}
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return true;
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} else if (content.socks5transport().hasChild("proxy-error")) {
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onProxyActivated.failed();
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return true;
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} else if (content.socks5transport().hasChild("candidate-error")) {
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Log.d(Config.LOGTAG, "received candidate error");
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this.receivedCandidate = true;
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if ((mJingleStatus == JINGLE_STATUS_ACCEPTED)
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&& (this.sentCandidate)) {
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this.connect();
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}
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return true;
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} else if (content.socks5transport().hasChild("candidate-used")) {
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String cid = content.socks5transport()
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.findChild("candidate-used").getAttribute("cid");
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if (cid != null) {
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Log.d(Config.LOGTAG, "candidate used by counterpart:" + cid);
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JingleCandidate candidate = getCandidate(cid);
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candidate.flagAsUsedByCounterpart();
|
|
this.receivedCandidate = true;
|
|
if ((mJingleStatus == JINGLE_STATUS_ACCEPTED)
|
|
&& (this.sentCandidate)) {
|
|
this.connect();
|
|
} else {
|
|
Log.d(Config.LOGTAG,
|
|
"ignoring because file is already in transmission or we havent sent our candidate yet");
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
private void connect() {
|
|
final JingleSocks5Transport connection = chooseConnection();
|
|
this.transport = connection;
|
|
if (connection == null) {
|
|
Log.d(Config.LOGTAG, "could not find suitable candidate");
|
|
this.disconnect();
|
|
if (this.initiator.equals(account.getFullJid())) {
|
|
this.sendFallbackToIbb();
|
|
}
|
|
} else {
|
|
this.mJingleStatus = JINGLE_STATUS_TRANSMITTING;
|
|
if (connection.needsActivation()) {
|
|
if (connection.getCandidate().isOurs()) {
|
|
Log.d(Config.LOGTAG, "candidate "
|
|
+ connection.getCandidate().getCid()
|
|
+ " was our proxy. going to activate");
|
|
IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
|
|
activation.setTo(connection.getCandidate().getJid());
|
|
activation.query("http://jabber.org/protocol/bytestreams")
|
|
.setAttribute("sid", this.getSessionId());
|
|
activation.query().addChild("activate")
|
|
.setContent(this.getCounterPart().toString());
|
|
this.account.getXmppConnection().sendIqPacket(activation,
|
|
new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account,
|
|
IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE_ERROR) {
|
|
onProxyActivated.failed();
|
|
} else {
|
|
onProxyActivated.success();
|
|
sendProxyActivated(connection
|
|
.getCandidate().getCid());
|
|
}
|
|
}
|
|
});
|
|
} else {
|
|
Log.d(Config.LOGTAG,
|
|
"candidate "
|
|
+ connection.getCandidate().getCid()
|
|
+ " was a proxy. waiting for other party to activate");
|
|
}
|
|
} else {
|
|
if (initiator.equals(account.getFullJid())) {
|
|
Log.d(Config.LOGTAG, "we were initiating. sending file");
|
|
connection.send(file, onFileTransmissionSatusChanged);
|
|
} else {
|
|
Log.d(Config.LOGTAG, "we were responding. receiving file");
|
|
connection.receive(file, onFileTransmissionSatusChanged);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private JingleSocks5Transport chooseConnection() {
|
|
JingleSocks5Transport connection = null;
|
|
for (Entry<String, JingleSocks5Transport> cursor : connections
|
|
.entrySet()) {
|
|
JingleSocks5Transport currentConnection = cursor.getValue();
|
|
// Log.d(Config.LOGTAG,"comparing candidate: "+currentConnection.getCandidate().toString());
|
|
if (currentConnection.isEstablished()
|
|
&& (currentConnection.getCandidate().isUsedByCounterpart() || (!currentConnection
|
|
.getCandidate().isOurs()))) {
|
|
// Log.d(Config.LOGTAG,"is usable");
|
|
if (connection == null) {
|
|
connection = currentConnection;
|
|
} else {
|
|
if (connection.getCandidate().getPriority() < currentConnection
|
|
.getCandidate().getPriority()) {
|
|
connection = currentConnection;
|
|
} else if (connection.getCandidate().getPriority() == currentConnection
|
|
.getCandidate().getPriority()) {
|
|
// Log.d(Config.LOGTAG,"found two candidates with same priority");
|
|
if (initiator.equals(account.getFullJid())) {
|
|
if (currentConnection.getCandidate().isOurs()) {
|
|
connection = currentConnection;
|
|
}
|
|
} else {
|
|
if (!currentConnection.getCandidate().isOurs()) {
|
|
connection = currentConnection;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return connection;
|
|
}
|
|
|
|
private void sendSuccess() {
|
|
JinglePacket packet = bootstrapPacket("session-terminate");
|
|
Reason reason = new Reason();
|
|
reason.addChild("success");
|
|
packet.setReason(reason);
|
|
this.sendJinglePacket(packet);
|
|
this.disconnect();
|
|
this.mJingleStatus = JINGLE_STATUS_FINISHED;
|
|
this.message.setStatus(Message.STATUS_RECEIVED);
|
|
this.message.setDownloadable(null);
|
|
this.mXmppConnectionService.updateMessage(message);
|
|
this.mJingleConnectionManager.finishConnection(this);
|
|
}
|
|
|
|
private void sendFallbackToIbb() {
|
|
Log.d(Config.LOGTAG, "sending fallback to ibb");
|
|
JinglePacket packet = this.bootstrapPacket("transport-replace");
|
|
Content content = new Content(this.contentCreator, this.contentName);
|
|
this.transportId = this.mJingleConnectionManager.nextRandomId();
|
|
content.setTransportId(this.transportId);
|
|
content.ibbTransport().setAttribute("block-size",
|
|
Integer.toString(this.ibbBlockSize));
|
|
packet.setContent(content);
|
|
this.sendJinglePacket(packet);
|
|
}
|
|
|
|
private boolean receiveFallbackToIbb(JinglePacket packet) {
|
|
Log.d(Config.LOGTAG, "receiving fallack to ibb");
|
|
String receivedBlockSize = packet.getJingleContent().ibbTransport()
|
|
.getAttribute("block-size");
|
|
if (receivedBlockSize != null) {
|
|
int bs = Integer.parseInt(receivedBlockSize);
|
|
if (bs > this.ibbBlockSize) {
|
|
this.ibbBlockSize = bs;
|
|
}
|
|
}
|
|
this.transportId = packet.getJingleContent().getTransportId();
|
|
this.transport = new JingleInbandTransport(this.account,
|
|
this.responder, this.transportId, this.ibbBlockSize);
|
|
this.transport.receive(file, onFileTransmissionSatusChanged);
|
|
JinglePacket answer = bootstrapPacket("transport-accept");
|
|
Content content = new Content("initiator", "a-file-offer");
|
|
content.setTransportId(this.transportId);
|
|
content.ibbTransport().setAttribute("block-size",
|
|
Integer.toString(this.ibbBlockSize));
|
|
answer.setContent(content);
|
|
this.sendJinglePacket(answer);
|
|
return true;
|
|
}
|
|
|
|
private boolean receiveTransportAccept(JinglePacket packet) {
|
|
if (packet.getJingleContent().hasIbbTransport()) {
|
|
String receivedBlockSize = packet.getJingleContent().ibbTransport()
|
|
.getAttribute("block-size");
|
|
if (receivedBlockSize != null) {
|
|
int bs = Integer.parseInt(receivedBlockSize);
|
|
if (bs > this.ibbBlockSize) {
|
|
this.ibbBlockSize = bs;
|
|
}
|
|
}
|
|
this.transport = new JingleInbandTransport(this.account,
|
|
this.responder, this.transportId, this.ibbBlockSize);
|
|
this.transport.connect(new OnTransportConnected() {
|
|
|
|
@Override
|
|
public void failed() {
|
|
Log.d(Config.LOGTAG, "ibb open failed");
|
|
}
|
|
|
|
@Override
|
|
public void established() {
|
|
JingleConnection.this.transport.send(file,
|
|
onFileTransmissionSatusChanged);
|
|
}
|
|
});
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private void receiveSuccess() {
|
|
this.mJingleStatus = JINGLE_STATUS_FINISHED;
|
|
this.mXmppConnectionService.markMessage(this.message,
|
|
Message.STATUS_SEND);
|
|
this.disconnect();
|
|
this.mJingleConnectionManager.finishConnection(this);
|
|
}
|
|
|
|
public void cancel() {
|
|
this.mJingleStatus = JINGLE_STATUS_CANCELED;
|
|
this.disconnect();
|
|
if (this.message != null) {
|
|
if (this.responder.equals(account.getFullJid())) {
|
|
this.mStatus = Downloadable.STATUS_FAILED;
|
|
this.mXmppConnectionService.updateConversationUi();
|
|
} else {
|
|
this.mXmppConnectionService.markMessage(this.message,
|
|
Message.STATUS_SEND_FAILED);
|
|
}
|
|
}
|
|
this.mJingleConnectionManager.finishConnection(this);
|
|
}
|
|
|
|
private void sendCancel() {
|
|
JinglePacket packet = bootstrapPacket("session-terminate");
|
|
Reason reason = new Reason();
|
|
reason.addChild("cancel");
|
|
packet.setReason(reason);
|
|
this.sendJinglePacket(packet);
|
|
}
|
|
|
|
private void connectNextCandidate() {
|
|
for (JingleCandidate candidate : this.candidates) {
|
|
if ((!connections.containsKey(candidate.getCid()) && (!candidate
|
|
.isOurs()))) {
|
|
this.connectWithCandidate(candidate);
|
|
return;
|
|
}
|
|
}
|
|
this.sendCandidateError();
|
|
}
|
|
|
|
private void connectWithCandidate(final JingleCandidate candidate) {
|
|
final JingleSocks5Transport socksConnection = new JingleSocks5Transport(
|
|
this, candidate);
|
|
connections.put(candidate.getCid(), socksConnection);
|
|
socksConnection.connect(new OnTransportConnected() {
|
|
|
|
@Override
|
|
public void failed() {
|
|
Log.d(Config.LOGTAG,
|
|
"connection failed with " + candidate.getHost() + ":"
|
|
+ candidate.getPort());
|
|
connectNextCandidate();
|
|
}
|
|
|
|
@Override
|
|
public void established() {
|
|
Log.d(Config.LOGTAG,
|
|
"established connection with " + candidate.getHost()
|
|
+ ":" + candidate.getPort());
|
|
sendCandidateUsed(candidate.getCid());
|
|
}
|
|
});
|
|
}
|
|
|
|
private void disconnect() {
|
|
Iterator<Entry<String, JingleSocks5Transport>> it = this.connections
|
|
.entrySet().iterator();
|
|
while (it.hasNext()) {
|
|
Entry<String, JingleSocks5Transport> pairs = it.next();
|
|
pairs.getValue().disconnect();
|
|
it.remove();
|
|
}
|
|
}
|
|
|
|
private void sendProxyActivated(String cid) {
|
|
JinglePacket packet = bootstrapPacket("transport-info");
|
|
Content content = new Content(this.contentCreator, this.contentName);
|
|
content.setTransportId(this.transportId);
|
|
content.socks5transport().addChild("activated")
|
|
.setAttribute("cid", cid);
|
|
packet.setContent(content);
|
|
this.sendJinglePacket(packet);
|
|
}
|
|
|
|
private void sendCandidateUsed(final String cid) {
|
|
JinglePacket packet = bootstrapPacket("transport-info");
|
|
Content content = new Content(this.contentCreator, this.contentName);
|
|
content.setTransportId(this.transportId);
|
|
content.socks5transport().addChild("candidate-used")
|
|
.setAttribute("cid", cid);
|
|
packet.setContent(content);
|
|
this.sentCandidate = true;
|
|
if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) {
|
|
connect();
|
|
}
|
|
this.sendJinglePacket(packet);
|
|
}
|
|
|
|
private void sendCandidateError() {
|
|
JinglePacket packet = bootstrapPacket("transport-info");
|
|
Content content = new Content(this.contentCreator, this.contentName);
|
|
content.setTransportId(this.transportId);
|
|
content.socks5transport().addChild("candidate-error");
|
|
packet.setContent(content);
|
|
this.sentCandidate = true;
|
|
if ((receivedCandidate) && (mJingleStatus == JINGLE_STATUS_ACCEPTED)) {
|
|
connect();
|
|
}
|
|
this.sendJinglePacket(packet);
|
|
}
|
|
|
|
public Jid getInitiator() {
|
|
return this.initiator;
|
|
}
|
|
|
|
public Jid getResponder() {
|
|
return this.responder;
|
|
}
|
|
|
|
public int getJingleStatus() {
|
|
return this.mJingleStatus;
|
|
}
|
|
|
|
private boolean equalCandidateExists(JingleCandidate candidate) {
|
|
for (JingleCandidate c : this.candidates) {
|
|
if (c.equalValues(candidate)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private void mergeCandidate(JingleCandidate candidate) {
|
|
for (JingleCandidate c : this.candidates) {
|
|
if (c.equals(candidate)) {
|
|
return;
|
|
}
|
|
}
|
|
this.candidates.add(candidate);
|
|
}
|
|
|
|
private void mergeCandidates(List<JingleCandidate> candidates) {
|
|
for (JingleCandidate c : candidates) {
|
|
mergeCandidate(c);
|
|
}
|
|
}
|
|
|
|
private JingleCandidate getCandidate(String cid) {
|
|
for (JingleCandidate c : this.candidates) {
|
|
if (c.getCid().equals(cid)) {
|
|
return c;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
interface OnProxyActivated {
|
|
public void success();
|
|
|
|
public void failed();
|
|
}
|
|
|
|
public boolean hasTransportId(String sid) {
|
|
return sid.equals(this.transportId);
|
|
}
|
|
|
|
public JingleTransport getTransport() {
|
|
return this.transport;
|
|
}
|
|
|
|
public boolean start() {
|
|
if (account.getStatus() == Account.STATUS_ONLINE) {
|
|
if (mJingleStatus == JINGLE_STATUS_INITIATED) {
|
|
new Thread(new Runnable() {
|
|
|
|
@Override
|
|
public void run() {
|
|
sendAccept();
|
|
}
|
|
}).start();
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int getStatus() {
|
|
return this.mStatus;
|
|
}
|
|
|
|
@Override
|
|
public long getFileSize() {
|
|
if (this.file != null) {
|
|
return this.file.getExpectedSize();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
}
|