1046 lines
32 KiB
Java
1046 lines
32 KiB
Java
package eu.siacs.conversations.xmpp;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.math.BigInteger;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Map.Entry;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSocket;
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import javax.net.ssl.SSLSocketFactory;
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import javax.net.ssl.X509TrustManager;
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import org.xmlpull.v1.XmlPullParserException;
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import de.duenndns.ssl.MemorizingTrustManager;
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import android.os.Bundle;
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import android.os.PowerManager;
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import android.os.PowerManager.WakeLock;
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import android.os.SystemClock;
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import android.util.Log;
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import android.util.SparseArray;
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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.services.XmppConnectionService;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.utils.DNSHelper;
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import eu.siacs.conversations.utils.zlib.ZLibOutputStream;
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import eu.siacs.conversations.utils.zlib.ZLibInputStream;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xml.Tag;
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import eu.siacs.conversations.xml.TagWriter;
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import eu.siacs.conversations.xml.XmlReader;
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import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
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import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
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import eu.siacs.conversations.xmpp.stanzas.AbstractStanza;
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import eu.siacs.conversations.xmpp.stanzas.IqPacket;
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import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
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import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
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import eu.siacs.conversations.xmpp.stanzas.csi.ActivePacket;
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import eu.siacs.conversations.xmpp.stanzas.csi.InactivePacket;
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import eu.siacs.conversations.xmpp.stanzas.streammgmt.AckPacket;
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import eu.siacs.conversations.xmpp.stanzas.streammgmt.EnablePacket;
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import eu.siacs.conversations.xmpp.stanzas.streammgmt.RequestPacket;
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import eu.siacs.conversations.xmpp.stanzas.streammgmt.ResumePacket;
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public class XmppConnection implements Runnable {
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protected Account account;
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private WakeLock wakeLock;
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private SecureRandom mRandom;
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private Socket socket;
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private XmlReader tagReader;
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private TagWriter tagWriter;
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private Features features = new Features(this);
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private boolean shouldBind = true;
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private boolean shouldAuthenticate = true;
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private Element streamFeatures;
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private HashMap<String, List<String>> disco = new HashMap<String, List<String>>();
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private String streamId = null;
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private int smVersion = 3;
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private SparseArray<String> messageReceipts = new SparseArray<String>();
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private boolean usingCompression = false;
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private int stanzasReceived = 0;
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private int stanzasSent = 0;
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private long lastPaketReceived = 0;
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private long lastPingSent = 0;
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private long lastConnect = 0;
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private long lastSessionStarted = 0;
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private int attempt = 0;
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private static final int PACKET_IQ = 0;
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private static final int PACKET_MESSAGE = 1;
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private static final int PACKET_PRESENCE = 2;
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private Hashtable<String, PacketReceived> packetCallbacks = new Hashtable<String, PacketReceived>();
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private OnPresencePacketReceived presenceListener = null;
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private OnJinglePacketReceived jingleListener = null;
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private OnIqPacketReceived unregisteredIqListener = null;
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private OnMessagePacketReceived messageListener = null;
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private OnStatusChanged statusListener = null;
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private OnBindListener bindListener = null;
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private OnMessageAcknowledged acknowledgedListener = null;
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private MemorizingTrustManager mMemorizingTrustManager;
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public XmppConnection(Account account, XmppConnectionService service) {
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this.mRandom = service.getRNG();
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this.mMemorizingTrustManager = service.getMemorizingTrustManager();
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this.account = account;
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this.wakeLock = service.getPowerManager().newWakeLock(
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PowerManager.PARTIAL_WAKE_LOCK, account.getJid());
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tagWriter = new TagWriter();
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}
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protected void changeStatus(int nextStatus) {
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if (account.getStatus() != nextStatus) {
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if ((nextStatus == Account.STATUS_OFFLINE)
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&& (account.getStatus() != Account.STATUS_CONNECTING)
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&& (account.getStatus() != Account.STATUS_ONLINE)
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&& (account.getStatus() != Account.STATUS_DISABLED)) {
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return;
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}
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if (nextStatus == Account.STATUS_ONLINE) {
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this.attempt = 0;
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}
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account.setStatus(nextStatus);
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if (statusListener != null) {
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statusListener.onStatusChanged(account);
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}
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}
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}
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protected void connect() {
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Log.d(Config.LOGTAG, account.getJid() + ": connecting");
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usingCompression = false;
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lastConnect = SystemClock.elapsedRealtime();
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lastPingSent = SystemClock.elapsedRealtime();
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this.attempt++;
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try {
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shouldAuthenticate = shouldBind = !account
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.isOptionSet(Account.OPTION_REGISTER);
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tagReader = new XmlReader(wakeLock);
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tagWriter = new TagWriter();
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packetCallbacks.clear();
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this.changeStatus(Account.STATUS_CONNECTING);
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Bundle namePort = DNSHelper.getSRVRecord(account.getServer());
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if ("timeout".equals(namePort.getString("error"))) {
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Log.d(Config.LOGTAG, account.getJid() + ": dns timeout");
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this.changeStatus(Account.STATUS_OFFLINE);
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return;
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}
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String srvRecordServer = namePort.getString("name");
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String srvIpServer = namePort.getString("ipv4");
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int srvRecordPort = namePort.getInt("port");
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if (srvRecordServer != null) {
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if (srvIpServer != null) {
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Log.d(Config.LOGTAG, account.getJid()
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+ ": using values from dns " + srvRecordServer
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+ "[" + srvIpServer + "]:" + srvRecordPort);
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socket = new Socket(srvIpServer, srvRecordPort);
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} else {
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Log.d(Config.LOGTAG, account.getJid()
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+ ": using values from dns " + srvRecordServer
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+ ":" + srvRecordPort);
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socket = new Socket(srvRecordServer, srvRecordPort);
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}
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} else {
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socket = new Socket(account.getServer(), 5222);
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}
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OutputStream out = socket.getOutputStream();
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tagWriter.setOutputStream(out);
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InputStream in = socket.getInputStream();
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tagReader.setInputStream(in);
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tagWriter.beginDocument();
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sendStartStream();
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Tag nextTag;
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while ((nextTag = tagReader.readTag()) != null) {
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if (nextTag.isStart("stream")) {
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processStream(nextTag);
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break;
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} else {
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Log.d(Config.LOGTAG,
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"found unexpected tag: " + nextTag.getName());
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return;
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}
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}
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if (socket.isConnected()) {
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socket.close();
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}
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} catch (UnknownHostException e) {
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this.changeStatus(Account.STATUS_SERVER_NOT_FOUND);
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if (wakeLock.isHeld()) {
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try {
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wakeLock.release();
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} catch (RuntimeException re) {
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}
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}
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return;
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} catch (IOException e) {
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this.changeStatus(Account.STATUS_OFFLINE);
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if (wakeLock.isHeld()) {
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try {
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wakeLock.release();
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} catch (RuntimeException re) {
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}
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}
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return;
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} catch (NoSuchAlgorithmException e) {
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this.changeStatus(Account.STATUS_OFFLINE);
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Log.d(Config.LOGTAG, "compression exception " + e.getMessage());
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if (wakeLock.isHeld()) {
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try {
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wakeLock.release();
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} catch (RuntimeException re) {
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}
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}
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return;
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} catch (XmlPullParserException e) {
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this.changeStatus(Account.STATUS_OFFLINE);
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Log.d(Config.LOGTAG, "xml exception " + e.getMessage());
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if (wakeLock.isHeld()) {
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try {
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wakeLock.release();
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} catch (RuntimeException re) {
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}
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}
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return;
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}
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}
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@Override
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public void run() {
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connect();
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}
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private void processStream(Tag currentTag) throws XmlPullParserException,
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IOException, NoSuchAlgorithmException {
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Tag nextTag = tagReader.readTag();
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while ((nextTag != null) && (!nextTag.isEnd("stream"))) {
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if (nextTag.isStart("error")) {
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processStreamError(nextTag);
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} else if (nextTag.isStart("features")) {
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processStreamFeatures(nextTag);
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} else if (nextTag.isStart("proceed")) {
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switchOverToTls(nextTag);
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} else if (nextTag.isStart("compressed")) {
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switchOverToZLib(nextTag);
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} else if (nextTag.isStart("success")) {
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Log.d(Config.LOGTAG, account.getJid() + ": logged in");
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tagReader.readTag();
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tagReader.reset();
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sendStartStream();
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processStream(tagReader.readTag());
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break;
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} else if (nextTag.isStart("failure")) {
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tagReader.readElement(nextTag);
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changeStatus(Account.STATUS_UNAUTHORIZED);
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} else if (nextTag.isStart("challenge")) {
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String challange = tagReader.readElement(nextTag).getContent();
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Element response = new Element("response");
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response.setAttribute("xmlns",
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"urn:ietf:params:xml:ns:xmpp-sasl");
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response.setContent(CryptoHelper.saslDigestMd5(account,
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challange, mRandom));
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tagWriter.writeElement(response);
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} else if (nextTag.isStart("enabled")) {
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Element enabled = tagReader.readElement(nextTag);
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if ("true".equals(enabled.getAttribute("resume"))) {
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this.streamId = enabled.getAttribute("id");
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Log.d(Config.LOGTAG, account.getJid()
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+ ": stream managment(" + smVersion
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+ ") enabled (resumable)");
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} else {
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Log.d(Config.LOGTAG, account.getJid()
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+ ": stream managment(" + smVersion + ") enabled");
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}
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this.lastSessionStarted = SystemClock.elapsedRealtime();
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this.stanzasReceived = 0;
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RequestPacket r = new RequestPacket(smVersion);
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tagWriter.writeStanzaAsync(r);
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} else if (nextTag.isStart("resumed")) {
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lastPaketReceived = SystemClock.elapsedRealtime();
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Element resumed = tagReader.readElement(nextTag);
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String h = resumed.getAttribute("h");
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try {
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int serverCount = Integer.parseInt(h);
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if (serverCount != stanzasSent) {
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Log.d(Config.LOGTAG, account.getJid()
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+ ": session resumed with lost packages");
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stanzasSent = serverCount;
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} else {
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Log.d(Config.LOGTAG, account.getJid()
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+ ": session resumed");
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}
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if (acknowledgedListener != null) {
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for (int i = 0; i < messageReceipts.size(); ++i) {
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if (serverCount >= messageReceipts.keyAt(i)) {
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acknowledgedListener.onMessageAcknowledged(
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account, messageReceipts.valueAt(i));
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}
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}
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}
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messageReceipts.clear();
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} catch (NumberFormatException e) {
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}
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changeStatus(Account.STATUS_ONLINE);
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} else if (nextTag.isStart("r")) {
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tagReader.readElement(nextTag);
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AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
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tagWriter.writeStanzaAsync(ack);
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} else if (nextTag.isStart("a")) {
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Element ack = tagReader.readElement(nextTag);
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lastPaketReceived = SystemClock.elapsedRealtime();
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int serverSequence = Integer.parseInt(ack.getAttribute("h"));
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String msgId = this.messageReceipts.get(serverSequence);
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if (msgId != null) {
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if (this.acknowledgedListener != null) {
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this.acknowledgedListener.onMessageAcknowledged(
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account, msgId);
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}
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this.messageReceipts.remove(serverSequence);
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}
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} else if (nextTag.isStart("failed")) {
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tagReader.readElement(nextTag);
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Log.d(Config.LOGTAG, account.getJid() + ": resumption failed");
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streamId = null;
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if (account.getStatus() != Account.STATUS_ONLINE) {
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sendBindRequest();
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}
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} else if (nextTag.isStart("iq")) {
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processIq(nextTag);
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} else if (nextTag.isStart("message")) {
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processMessage(nextTag);
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} else if (nextTag.isStart("presence")) {
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processPresence(nextTag);
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}
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nextTag = tagReader.readTag();
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}
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if (account.getStatus() == Account.STATUS_ONLINE) {
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account.setStatus(Account.STATUS_OFFLINE);
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if (statusListener != null) {
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statusListener.onStatusChanged(account);
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}
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}
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}
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private Element processPacket(Tag currentTag, int packetType)
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throws XmlPullParserException, IOException {
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Element element;
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switch (packetType) {
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case PACKET_IQ:
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element = new IqPacket();
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break;
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case PACKET_MESSAGE:
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element = new MessagePacket();
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break;
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case PACKET_PRESENCE:
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element = new PresencePacket();
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break;
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default:
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return null;
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}
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element.setAttributes(currentTag.getAttributes());
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Tag nextTag = tagReader.readTag();
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if (nextTag == null) {
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throw new IOException("interrupted mid tag");
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}
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while (!nextTag.isEnd(element.getName())) {
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if (!nextTag.isNo()) {
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Element child = tagReader.readElement(nextTag);
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if ((packetType == PACKET_IQ)
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&& ("jingle".equals(child.getName()))) {
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element = new JinglePacket();
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element.setAttributes(currentTag.getAttributes());
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}
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element.addChild(child);
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}
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nextTag = tagReader.readTag();
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if (nextTag == null) {
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throw new IOException("interrupted mid tag");
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}
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}
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++stanzasReceived;
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lastPaketReceived = SystemClock.elapsedRealtime();
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return element;
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}
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private void processIq(Tag currentTag) throws XmlPullParserException,
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IOException {
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IqPacket packet = (IqPacket) processPacket(currentTag, PACKET_IQ);
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if (packet.getId() == null) {
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return; // an iq packet without id is definitely invalid
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}
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if (packet instanceof JinglePacket) {
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if (this.jingleListener != null) {
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this.jingleListener.onJinglePacketReceived(account,
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(JinglePacket) packet);
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}
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} else {
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if (packetCallbacks.containsKey(packet.getId())) {
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if (packetCallbacks.get(packet.getId()) instanceof OnIqPacketReceived) {
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((OnIqPacketReceived) packetCallbacks.get(packet.getId()))
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.onIqPacketReceived(account, packet);
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}
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packetCallbacks.remove(packet.getId());
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} else if (this.unregisteredIqListener != null) {
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this.unregisteredIqListener.onIqPacketReceived(account, packet);
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}
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}
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}
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private void processMessage(Tag currentTag) throws XmlPullParserException,
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IOException {
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MessagePacket packet = (MessagePacket) processPacket(currentTag,
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PACKET_MESSAGE);
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String id = packet.getAttribute("id");
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if ((id != null) && (packetCallbacks.containsKey(id))) {
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if (packetCallbacks.get(id) instanceof OnMessagePacketReceived) {
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((OnMessagePacketReceived) packetCallbacks.get(id))
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.onMessagePacketReceived(account, packet);
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}
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packetCallbacks.remove(id);
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} else if (this.messageListener != null) {
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this.messageListener.onMessagePacketReceived(account, packet);
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}
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}
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private void processPresence(Tag currentTag) throws XmlPullParserException,
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IOException {
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PresencePacket packet = (PresencePacket) processPacket(currentTag,
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PACKET_PRESENCE);
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String id = packet.getAttribute("id");
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if ((id != null) && (packetCallbacks.containsKey(id))) {
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if (packetCallbacks.get(id) instanceof OnPresencePacketReceived) {
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((OnPresencePacketReceived) packetCallbacks.get(id))
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.onPresencePacketReceived(account, packet);
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}
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packetCallbacks.remove(id);
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} else if (this.presenceListener != null) {
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this.presenceListener.onPresencePacketReceived(account, packet);
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}
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}
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private void sendCompressionZlib() throws IOException {
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Element compress = new Element("compress");
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compress.setAttribute("xmlns", "http://jabber.org/protocol/compress");
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compress.addChild("method").setContent("zlib");
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tagWriter.writeElement(compress);
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}
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private void switchOverToZLib(Tag currentTag)
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throws XmlPullParserException, IOException,
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NoSuchAlgorithmException {
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tagReader.readTag(); // read tag close
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tagWriter.setOutputStream(new ZLibOutputStream(tagWriter
|
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.getOutputStream()));
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tagReader
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.setInputStream(new ZLibInputStream(tagReader.getInputStream()));
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sendStartStream();
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Log.d(Config.LOGTAG, account.getJid() + ": compression enabled");
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usingCompression = true;
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processStream(tagReader.readTag());
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}
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private void sendStartTLS() throws IOException {
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Tag startTLS = Tag.empty("starttls");
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startTLS.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-tls");
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tagWriter.writeTag(startTLS);
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}
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private void switchOverToTls(Tag currentTag) throws XmlPullParserException,
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IOException {
|
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tagReader.readTag();
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try {
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SSLContext sc = SSLContext.getInstance("TLS");
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sc.init(null,
|
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new X509TrustManager[] { this.mMemorizingTrustManager },
|
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mRandom);
|
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SSLSocketFactory factory = sc.getSocketFactory();
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|
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HostnameVerifier verifier = this.mMemorizingTrustManager
|
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.wrapHostnameVerifier(new org.apache.http.conn.ssl.StrictHostnameVerifier());
|
|
SSLSocket sslSocket = (SSLSocket) factory.createSocket(socket,
|
|
socket.getInetAddress().getHostAddress(), socket.getPort(),
|
|
true);
|
|
|
|
if (verifier != null
|
|
&& !verifier.verify(account.getServer(),
|
|
sslSocket.getSession())) {
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": host mismatch in TLS connection");
|
|
sslSocket.close();
|
|
throw new IOException();
|
|
}
|
|
tagReader.setInputStream(sslSocket.getInputStream());
|
|
tagWriter.setOutputStream(sslSocket.getOutputStream());
|
|
sendStartStream();
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": TLS connection established");
|
|
processStream(tagReader.readTag());
|
|
sslSocket.close();
|
|
} catch (NoSuchAlgorithmException e1) {
|
|
e1.printStackTrace();
|
|
} catch (KeyManagementException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
private void sendSaslAuthPlain() throws IOException {
|
|
String saslString = CryptoHelper.saslPlain(account.getUsername(),
|
|
account.getPassword());
|
|
Element auth = new Element("auth");
|
|
auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
|
|
auth.setAttribute("mechanism", "PLAIN");
|
|
auth.setContent(saslString);
|
|
tagWriter.writeElement(auth);
|
|
}
|
|
|
|
private void sendSaslAuthDigestMd5() throws IOException {
|
|
Element auth = new Element("auth");
|
|
auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
|
|
auth.setAttribute("mechanism", "DIGEST-MD5");
|
|
tagWriter.writeElement(auth);
|
|
}
|
|
|
|
private void processStreamFeatures(Tag currentTag)
|
|
throws XmlPullParserException, IOException {
|
|
this.streamFeatures = tagReader.readElement(currentTag);
|
|
if (this.streamFeatures.hasChild("starttls")
|
|
&& account.isOptionSet(Account.OPTION_USETLS)) {
|
|
sendStartTLS();
|
|
} else if (compressionAvailable()) {
|
|
sendCompressionZlib();
|
|
} else if (this.streamFeatures.hasChild("register")
|
|
&& (account.isOptionSet(Account.OPTION_REGISTER))) {
|
|
sendRegistryRequest();
|
|
} else if (!this.streamFeatures.hasChild("register")
|
|
&& (account.isOptionSet(Account.OPTION_REGISTER))) {
|
|
changeStatus(Account.STATUS_REGISTRATION_NOT_SUPPORTED);
|
|
disconnect(true);
|
|
} else if (this.streamFeatures.hasChild("mechanisms")
|
|
&& shouldAuthenticate) {
|
|
List<String> mechanisms = extractMechanisms(streamFeatures
|
|
.findChild("mechanisms"));
|
|
if (mechanisms.contains("PLAIN")) {
|
|
sendSaslAuthPlain();
|
|
} else if (mechanisms.contains("DIGEST-MD5")) {
|
|
sendSaslAuthDigestMd5();
|
|
}
|
|
} else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:"
|
|
+ smVersion)
|
|
&& streamId != null) {
|
|
ResumePacket resume = new ResumePacket(this.streamId,
|
|
stanzasReceived, smVersion);
|
|
this.tagWriter.writeStanzaAsync(resume);
|
|
} else if (this.streamFeatures.hasChild("bind") && shouldBind) {
|
|
sendBindRequest();
|
|
}
|
|
}
|
|
|
|
private boolean compressionAvailable() {
|
|
if (!this.streamFeatures.hasChild("compression",
|
|
"http://jabber.org/features/compress"))
|
|
return false;
|
|
if (!ZLibOutputStream.SUPPORTED)
|
|
return false;
|
|
if (!account.isOptionSet(Account.OPTION_USECOMPRESSION))
|
|
return false;
|
|
|
|
Element compression = this.streamFeatures.findChild("compression",
|
|
"http://jabber.org/features/compress");
|
|
for (Element child : compression.getChildren()) {
|
|
if (!"method".equals(child.getName()))
|
|
continue;
|
|
|
|
if ("zlib".equalsIgnoreCase(child.getContent())) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private List<String> extractMechanisms(Element stream) {
|
|
ArrayList<String> mechanisms = new ArrayList<String>(stream
|
|
.getChildren().size());
|
|
for (Element child : stream.getChildren()) {
|
|
mechanisms.add(child.getContent());
|
|
}
|
|
return mechanisms;
|
|
}
|
|
|
|
private void sendRegistryRequest() {
|
|
IqPacket register = new IqPacket(IqPacket.TYPE_GET);
|
|
register.query("jabber:iq:register");
|
|
register.setTo(account.getServer());
|
|
sendIqPacket(register, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
Element instructions = packet.query().findChild("instructions");
|
|
if (packet.query().hasChild("username")
|
|
&& (packet.query().hasChild("password"))) {
|
|
IqPacket register = new IqPacket(IqPacket.TYPE_SET);
|
|
Element username = new Element("username")
|
|
.setContent(account.getUsername());
|
|
Element password = new Element("password")
|
|
.setContent(account.getPassword());
|
|
register.query("jabber:iq:register").addChild(username);
|
|
register.query().addChild(password);
|
|
sendIqPacket(register, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account,
|
|
IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE_RESULT) {
|
|
account.setOption(Account.OPTION_REGISTER,
|
|
false);
|
|
changeStatus(Account.STATUS_REGISTRATION_SUCCESSFULL);
|
|
} else if (packet.hasChild("error")
|
|
&& (packet.findChild("error")
|
|
.hasChild("conflict"))) {
|
|
changeStatus(Account.STATUS_REGISTRATION_CONFLICT);
|
|
} else {
|
|
changeStatus(Account.STATUS_REGISTRATION_FAILED);
|
|
Log.d(Config.LOGTAG, packet.toString());
|
|
}
|
|
disconnect(true);
|
|
}
|
|
});
|
|
} else {
|
|
changeStatus(Account.STATUS_REGISTRATION_FAILED);
|
|
disconnect(true);
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": could not register. instructions are"
|
|
+ instructions.getContent());
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void sendBindRequest() throws IOException {
|
|
IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
|
|
iq.addChild("bind", "urn:ietf:params:xml:ns:xmpp-bind")
|
|
.addChild("resource").setContent(account.getResource());
|
|
this.sendUnboundIqPacket(iq, new OnIqPacketReceived() {
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
Element bind = packet.findChild("bind");
|
|
if (bind != null) {
|
|
Element jid = bind.findChild("jid");
|
|
if (jid != null && jid.getContent() != null) {
|
|
account.setResource(jid.getContent().split("/",2)[1]);
|
|
if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) {
|
|
smVersion = 3;
|
|
EnablePacket enable = new EnablePacket(smVersion);
|
|
tagWriter.writeStanzaAsync(enable);
|
|
stanzasSent = 0;
|
|
messageReceipts.clear();
|
|
} else if (streamFeatures.hasChild("sm",
|
|
"urn:xmpp:sm:2")) {
|
|
smVersion = 2;
|
|
EnablePacket enable = new EnablePacket(smVersion);
|
|
tagWriter.writeStanzaAsync(enable);
|
|
stanzasSent = 0;
|
|
messageReceipts.clear();
|
|
}
|
|
sendServiceDiscoveryInfo(account.getServer());
|
|
sendServiceDiscoveryItems(account.getServer());
|
|
if (bindListener != null) {
|
|
bindListener.onBind(account);
|
|
}
|
|
changeStatus(Account.STATUS_ONLINE);
|
|
} else {
|
|
disconnect(true);
|
|
}
|
|
} else {
|
|
disconnect(true);
|
|
}
|
|
}
|
|
});
|
|
if (this.streamFeatures.hasChild("session")) {
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": sending deprecated session");
|
|
IqPacket startSession = new IqPacket(IqPacket.TYPE_SET);
|
|
startSession.addChild("session",
|
|
"urn:ietf:params:xml:ns:xmpp-session");
|
|
this.sendUnboundIqPacket(startSession, null);
|
|
}
|
|
}
|
|
|
|
private void sendServiceDiscoveryInfo(final String server) {
|
|
IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
|
|
iq.setTo(server);
|
|
iq.query("http://jabber.org/protocol/disco#info");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
List<Element> elements = packet.query().getChildren();
|
|
List<String> features = new ArrayList<String>();
|
|
for (int i = 0; i < elements.size(); ++i) {
|
|
if (elements.get(i).getName().equals("feature")) {
|
|
features.add(elements.get(i).getAttribute("var"));
|
|
}
|
|
}
|
|
disco.put(server, features);
|
|
|
|
if (account.getServer().equals(server)) {
|
|
enableAdvancedStreamFeatures();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void enableAdvancedStreamFeatures() {
|
|
if (getFeatures().carbons()) {
|
|
sendEnableCarbons();
|
|
}
|
|
}
|
|
|
|
private void sendServiceDiscoveryItems(final String server) {
|
|
IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
|
|
iq.setTo(server);
|
|
iq.query("http://jabber.org/protocol/disco#items");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
List<Element> elements = packet.query().getChildren();
|
|
for (int i = 0; i < elements.size(); ++i) {
|
|
if (elements.get(i).getName().equals("item")) {
|
|
String jid = elements.get(i).getAttribute("jid");
|
|
sendServiceDiscoveryInfo(jid);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void sendEnableCarbons() {
|
|
IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
|
|
iq.addChild("enable", "urn:xmpp:carbons:2");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
if (!packet.hasChild("error")) {
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": successfully enabled carbons");
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid()
|
|
+ ": error enableing carbons " + packet.toString());
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void processStreamError(Tag currentTag)
|
|
throws XmlPullParserException, IOException {
|
|
Element streamError = tagReader.readElement(currentTag);
|
|
if (streamError != null && streamError.hasChild("conflict")) {
|
|
String resource = account.getResource().split("\\.")[0];
|
|
account.setResource(resource + "." + nextRandomId());
|
|
Log.d(Config.LOGTAG,
|
|
account.getJid() + ": switching resource due to conflict ("
|
|
+ account.getResource() + ")");
|
|
}
|
|
}
|
|
|
|
private void sendStartStream() throws IOException {
|
|
Tag stream = Tag.start("stream:stream");
|
|
stream.setAttribute("from", account.getJid());
|
|
stream.setAttribute("to", account.getServer());
|
|
stream.setAttribute("version", "1.0");
|
|
stream.setAttribute("xml:lang", "en");
|
|
stream.setAttribute("xmlns", "jabber:client");
|
|
stream.setAttribute("xmlns:stream", "http://etherx.jabber.org/streams");
|
|
tagWriter.writeTag(stream);
|
|
}
|
|
|
|
private String nextRandomId() {
|
|
return new BigInteger(50, mRandom).toString(32);
|
|
}
|
|
|
|
public void sendIqPacket(IqPacket packet, OnIqPacketReceived callback) {
|
|
if (packet.getId() == null) {
|
|
String id = nextRandomId();
|
|
packet.setAttribute("id", id);
|
|
}
|
|
packet.setFrom(account.getFullJid());
|
|
this.sendPacket(packet, callback);
|
|
}
|
|
|
|
public void sendUnboundIqPacket(IqPacket packet, OnIqPacketReceived callback) {
|
|
if (packet.getId() == null) {
|
|
String id = nextRandomId();
|
|
packet.setAttribute("id", id);
|
|
}
|
|
this.sendPacket(packet, callback);
|
|
}
|
|
|
|
public void sendMessagePacket(MessagePacket packet) {
|
|
this.sendPacket(packet, null);
|
|
}
|
|
|
|
public void sendPresencePacket(PresencePacket packet) {
|
|
this.sendPacket(packet, null);
|
|
}
|
|
|
|
private synchronized void sendPacket(final AbstractStanza packet,
|
|
PacketReceived callback) {
|
|
if (packet.getName().equals("iq") || packet.getName().equals("message")
|
|
|| packet.getName().equals("presence")) {
|
|
++stanzasSent;
|
|
}
|
|
tagWriter.writeStanzaAsync(packet);
|
|
if (packet instanceof MessagePacket && packet.getId() != null
|
|
&& this.streamId != null) {
|
|
Log.d(Config.LOGTAG, "request delivery report for stanza "
|
|
+ stanzasSent);
|
|
this.messageReceipts.put(stanzasSent, packet.getId());
|
|
tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion));
|
|
}
|
|
if (callback != null) {
|
|
if (packet.getId() == null) {
|
|
packet.setId(nextRandomId());
|
|
}
|
|
packetCallbacks.put(packet.getId(), callback);
|
|
}
|
|
}
|
|
|
|
public void sendPing() {
|
|
if (streamFeatures.hasChild("sm")) {
|
|
tagWriter.writeStanzaAsync(new RequestPacket(smVersion));
|
|
} else {
|
|
IqPacket iq = new IqPacket(IqPacket.TYPE_GET);
|
|
iq.setFrom(account.getFullJid());
|
|
iq.addChild("ping", "urn:xmpp:ping");
|
|
this.sendIqPacket(iq, null);
|
|
}
|
|
this.lastPingSent = SystemClock.elapsedRealtime();
|
|
}
|
|
|
|
public void setOnMessagePacketReceivedListener(
|
|
OnMessagePacketReceived listener) {
|
|
this.messageListener = listener;
|
|
}
|
|
|
|
public void setOnUnregisteredIqPacketReceivedListener(
|
|
OnIqPacketReceived listener) {
|
|
this.unregisteredIqListener = listener;
|
|
}
|
|
|
|
public void setOnPresencePacketReceivedListener(
|
|
OnPresencePacketReceived listener) {
|
|
this.presenceListener = listener;
|
|
}
|
|
|
|
public void setOnJinglePacketReceivedListener(
|
|
OnJinglePacketReceived listener) {
|
|
this.jingleListener = listener;
|
|
}
|
|
|
|
public void setOnStatusChangedListener(OnStatusChanged listener) {
|
|
this.statusListener = listener;
|
|
}
|
|
|
|
public void setOnBindListener(OnBindListener listener) {
|
|
this.bindListener = listener;
|
|
}
|
|
|
|
public void setOnMessageAcknowledgeListener(OnMessageAcknowledged listener) {
|
|
this.acknowledgedListener = listener;
|
|
}
|
|
|
|
public void disconnect(boolean force) {
|
|
changeStatus(Account.STATUS_OFFLINE);
|
|
Log.d(Config.LOGTAG, "disconnecting");
|
|
try {
|
|
if (force) {
|
|
socket.close();
|
|
return;
|
|
}
|
|
new Thread(new Runnable() {
|
|
|
|
@Override
|
|
public void run() {
|
|
if (tagWriter.isActive()) {
|
|
tagWriter.finish();
|
|
try {
|
|
while (!tagWriter.finished()) {
|
|
Log.d(Config.LOGTAG, "not yet finished");
|
|
Thread.sleep(100);
|
|
}
|
|
tagWriter.writeTag(Tag.end("stream:stream"));
|
|
} catch (IOException e) {
|
|
Log.d(Config.LOGTAG,
|
|
"io exception during disconnect");
|
|
} catch (InterruptedException e) {
|
|
Log.d(Config.LOGTAG, "interrupted");
|
|
}
|
|
}
|
|
}
|
|
}).start();
|
|
} catch (IOException e) {
|
|
Log.d(Config.LOGTAG, "io exception during disconnect");
|
|
}
|
|
}
|
|
|
|
public List<String> findDiscoItemsByFeature(String feature) {
|
|
List<String> items = new ArrayList<String>();
|
|
for (Entry<String, List<String>> cursor : disco.entrySet()) {
|
|
if (cursor.getValue().contains(feature)) {
|
|
items.add(cursor.getKey());
|
|
}
|
|
}
|
|
return items;
|
|
}
|
|
|
|
public String findDiscoItemByFeature(String feature) {
|
|
List<String> items = findDiscoItemsByFeature(feature);
|
|
if (items.size() >= 1) {
|
|
return items.get(0);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public void r() {
|
|
this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion));
|
|
}
|
|
|
|
public String getMucServer() {
|
|
return findDiscoItemByFeature("http://jabber.org/protocol/muc");
|
|
}
|
|
|
|
public int getTimeToNextAttempt() {
|
|
int interval = (int) (25 * Math.pow(1.5, attempt));
|
|
int secondsSinceLast = (int) ((SystemClock.elapsedRealtime() - this.lastConnect) / 1000);
|
|
return interval - secondsSinceLast;
|
|
}
|
|
|
|
public int getAttempt() {
|
|
return this.attempt;
|
|
}
|
|
|
|
public Features getFeatures() {
|
|
return this.features;
|
|
}
|
|
|
|
public class Features {
|
|
XmppConnection connection;
|
|
|
|
public Features(XmppConnection connection) {
|
|
this.connection = connection;
|
|
}
|
|
|
|
private boolean hasDiscoFeature(String server, String feature) {
|
|
if (!connection.disco.containsKey(server)) {
|
|
return false;
|
|
}
|
|
return connection.disco.get(server).contains(feature);
|
|
}
|
|
|
|
public boolean carbons() {
|
|
return hasDiscoFeature(account.getServer(), "urn:xmpp:carbons:2");
|
|
}
|
|
|
|
public boolean sm() {
|
|
if (connection.streamFeatures == null) {
|
|
return false;
|
|
} else {
|
|
return connection.streamFeatures.hasChild("sm");
|
|
}
|
|
}
|
|
|
|
public boolean csi() {
|
|
if (connection.streamFeatures == null) {
|
|
return false;
|
|
} else {
|
|
return connection.streamFeatures.hasChild("csi",
|
|
"urn:xmpp:csi:0");
|
|
}
|
|
}
|
|
|
|
public boolean pubsub() {
|
|
return hasDiscoFeature(account.getServer(),
|
|
"http://jabber.org/protocol/pubsub#publish");
|
|
}
|
|
|
|
public boolean rosterVersioning() {
|
|
if (connection.streamFeatures == null) {
|
|
return false;
|
|
} else {
|
|
return connection.streamFeatures.hasChild("ver");
|
|
}
|
|
}
|
|
|
|
public boolean streamhost() {
|
|
return connection
|
|
.findDiscoItemByFeature("http://jabber.org/protocol/bytestreams") != null;
|
|
}
|
|
|
|
public boolean compression() {
|
|
return connection.usingCompression;
|
|
}
|
|
}
|
|
|
|
public long getLastSessionEstablished() {
|
|
long diff;
|
|
if (this.lastSessionStarted == 0) {
|
|
diff = SystemClock.elapsedRealtime() - this.lastConnect;
|
|
} else {
|
|
diff = SystemClock.elapsedRealtime() - this.lastSessionStarted;
|
|
}
|
|
return System.currentTimeMillis() - diff;
|
|
}
|
|
|
|
public long getLastConnect() {
|
|
return this.lastConnect;
|
|
}
|
|
|
|
public long getLastPingSent() {
|
|
return this.lastPingSent;
|
|
}
|
|
|
|
public long getLastPacketReceived() {
|
|
return this.lastPaketReceived;
|
|
}
|
|
|
|
public void sendActive() {
|
|
this.sendPacket(new ActivePacket(), null);
|
|
}
|
|
|
|
public void sendInactive() {
|
|
this.sendPacket(new InactivePacket(), null);
|
|
}
|
|
}
|