1705 lines
60 KiB
Java
1705 lines
60 KiB
Java
package eu.siacs.conversations.xmpp;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.Bundle;
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import android.os.Parcelable;
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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.security.KeyChain;
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import android.util.Base64;
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import android.util.Log;
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import android.util.Pair;
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import android.util.SparseArray;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.math.BigInteger;
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import java.net.ConnectException;
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import java.net.IDN;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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import java.net.URL;
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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.Principal;
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import java.security.PrivateKey;
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import java.security.cert.X509Certificate;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map.Entry;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSession;
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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.X509KeyManager;
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import javax.net.ssl.X509TrustManager;
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import de.duenndns.ssl.MemorizingTrustManager;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.crypto.XmppDomainVerifier;
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import eu.siacs.conversations.crypto.sasl.Anonymous;
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import eu.siacs.conversations.crypto.sasl.DigestMd5;
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import eu.siacs.conversations.crypto.sasl.External;
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import eu.siacs.conversations.crypto.sasl.Plain;
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import eu.siacs.conversations.crypto.sasl.SaslMechanism;
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import eu.siacs.conversations.crypto.sasl.ScramSha1;
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import eu.siacs.conversations.crypto.sasl.ScramSha256;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.entities.Message;
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import eu.siacs.conversations.entities.ServiceDiscoveryResult;
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import eu.siacs.conversations.generator.IqGenerator;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.utils.DNSHelper;
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import eu.siacs.conversations.utils.SSLSocketHelper;
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import eu.siacs.conversations.utils.SocksSocketFactory;
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import eu.siacs.conversations.utils.Xmlns;
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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.forms.Data;
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import eu.siacs.conversations.xmpp.forms.Field;
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import eu.siacs.conversations.xmpp.jid.InvalidJidException;
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import eu.siacs.conversations.xmpp.jid.Jid;
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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.AbstractAcknowledgeableStanza;
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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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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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protected Account account;
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private final WakeLock wakeLock;
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private Socket socket;
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private XmlReader tagReader;
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private TagWriter tagWriter = new TagWriter();
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private final Features features = new Features(this);
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private boolean needsBinding = true;
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private boolean shouldAuthenticate = true;
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private Element streamFeatures;
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private final HashMap<Jid, ServiceDiscoveryResult> disco = new HashMap<>();
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private String streamId = null;
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private int smVersion = 3;
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private final SparseArray<AbstractAcknowledgeableStanza> mStanzaQueue = new SparseArray<>();
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private int stanzasReceived = 0;
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private int stanzasSent = 0;
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private long lastPacketReceived = 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 long lastDiscoStarted = 0;
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private AtomicInteger mPendingServiceDiscoveries = new AtomicInteger(0);
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private AtomicBoolean mWaitForDisco = new AtomicBoolean(true);
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private boolean mInteractive = false;
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private int attempt = 0;
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private final Hashtable<String, Pair<IqPacket, OnIqPacketReceived>> packetCallbacks = new Hashtable<>();
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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 final ArrayList<OnAdvancedStreamFeaturesLoaded> advancedStreamFeaturesLoadedListeners = new ArrayList<>();
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private OnMessageAcknowledged acknowledgedListener = null;
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private XmppConnectionService mXmppConnectionService = null;
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private SaslMechanism saslMechanism;
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private class MyKeyManager implements X509KeyManager {
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@Override
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public String chooseClientAlias(String[] strings, Principal[] principals, Socket socket) {
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return account.getPrivateKeyAlias();
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}
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@Override
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public String chooseServerAlias(String s, Principal[] principals, Socket socket) {
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return null;
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}
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@Override
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public X509Certificate[] getCertificateChain(String alias) {
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Log.d(Config.LOGTAG,"getting certificate chain");
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try {
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return KeyChain.getCertificateChain(mXmppConnectionService, alias);
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} catch (Exception e) {
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Log.d(Config.LOGTAG,e.getMessage());
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return new X509Certificate[0];
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}
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}
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@Override
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public String[] getClientAliases(String s, Principal[] principals) {
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return new String[0];
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}
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@Override
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public String[] getServerAliases(String s, Principal[] principals) {
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return new String[0];
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}
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@Override
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public PrivateKey getPrivateKey(String alias) {
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try {
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return KeyChain.getPrivateKey(mXmppConnectionService, alias);
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} catch (Exception e) {
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return null;
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}
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}
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}
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public final OnIqPacketReceived registrationResponseListener = 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.RESULT) {
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account.setOption(Account.OPTION_REGISTER, false);
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forceCloseSocket();
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changeStatus(Account.State.REGISTRATION_SUCCESSFUL);
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} else {
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final List<String> PASSWORD_TOO_WEAK_MSGS = Arrays.asList(
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"The password is too weak",
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"Please use a longer password.");
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Element error = packet.findChild("error");
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Account.State state = Account.State.REGISTRATION_FAILED;
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if (error != null) {
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if (error.hasChild("conflict")) {
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state = Account.State.REGISTRATION_CONFLICT;
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} else if (error.hasChild("resource-constraint")
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&& "wait".equals(error.getAttribute("type"))) {
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state = Account.State.REGISTRATION_PLEASE_WAIT;
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} else if (error.hasChild("not-acceptable")
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&& PASSWORD_TOO_WEAK_MSGS.contains(error.findChildContent("text"))) {
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state = Account.State.REGISTRATION_PASSWORD_TOO_WEAK;
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}
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}
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changeStatus(state);
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forceCloseSocket();
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}
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}
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};
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public XmppConnection(final Account account, final XmppConnectionService service) {
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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().toBareJid().toString());
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mXmppConnectionService = service;
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}
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protected synchronized void changeStatus(final Account.State nextStatus) {
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if (Thread.currentThread().isInterrupted()) {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": not changing status to "+nextStatus+" because thread was interrupted");
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}
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if (account.getStatus() != nextStatus) {
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if ((nextStatus == Account.State.OFFLINE)
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&& (account.getStatus() != Account.State.CONNECTING)
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&& (account.getStatus() != Account.State.ONLINE)
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&& (account.getStatus() != Account.State.DISABLED)) {
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return;
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}
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if (nextStatus == Account.State.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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public void prepareNewConnection() {
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this.lastConnect = SystemClock.elapsedRealtime();
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this.lastPingSent = SystemClock.elapsedRealtime();
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this.lastDiscoStarted = Long.MAX_VALUE;
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this.changeStatus(Account.State.CONNECTING);
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}
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protected void connect() {
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if (mXmppConnectionService.areMessagesInitialized()) {
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mXmppConnectionService.resetSendingToWaiting(account);
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}
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Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": connecting");
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features.encryptionEnabled = false;
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this.attempt++;
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try {
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Socket localSocket;
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shouldAuthenticate = needsBinding = !account.isOptionSet(Account.OPTION_REGISTER);
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this.changeStatus(Account.State.CONNECTING);
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final boolean useTor = mXmppConnectionService.useTorToConnect() || account.isOnion();
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final boolean extended = mXmppConnectionService.showExtendedConnectionOptions();
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if (useTor) {
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String destination;
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if (account.getHostname() == null || account.getHostname().isEmpty()) {
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destination = account.getServer().toString();
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} else {
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destination = account.getHostname();
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}
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Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": connect to " + destination + " via Tor");
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localSocket = SocksSocketFactory.createSocketOverTor(destination, account.getPort());
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try {
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startXmpp(localSocket);
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} catch (InterruptedException e) {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": thread was interrupted before beginning stream");
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return;
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} catch (Exception e) {
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throw new IOException(e.getMessage());
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}
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} else if (extended && account.getHostname() != null && !account.getHostname().isEmpty()) {
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InetSocketAddress address = new InetSocketAddress(account.getHostname(), account.getPort());
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features.encryptionEnabled = account.getPort() == 5223;
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try {
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if (features.encryptionEnabled) {
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try {
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final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier();
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localSocket = tlsFactoryVerifier.factory.createSocket();
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localSocket.connect(address, Config.SOCKET_TIMEOUT * 1000);
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final SSLSession session = ((SSLSocket) localSocket).getSession();
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if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), session)) {
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Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
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throw new SecurityException();
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}
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} catch (KeyManagementException e) {
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features.encryptionEnabled = false;
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localSocket = new Socket();
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}
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} else {
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localSocket = new Socket();
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localSocket.connect(address, Config.SOCKET_TIMEOUT * 1000);
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}
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} catch (IOException e) {
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throw new UnknownHostException();
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}
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try {
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startXmpp(localSocket);
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} catch (InterruptedException e) {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": thread was interrupted before beginning stream");
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return;
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} catch (Exception e) {
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throw new IOException(e.getMessage());
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}
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} else if (DNSHelper.isIp(account.getServer().toString())) {
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localSocket = new Socket();
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try {
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localSocket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000);
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} catch (IOException e) {
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throw new UnknownHostException();
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}
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try {
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startXmpp(localSocket);
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} catch (InterruptedException e) {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": thread was interrupted before beginning stream");
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return;
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} catch (Exception e) {
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throw new IOException(e.getMessage());
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}
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} else {
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final Bundle result = DNSHelper.getSRVRecord(account.getServer(), mXmppConnectionService);
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final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
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for (Iterator<Parcelable> iterator = values.iterator(); iterator.hasNext(); ) {
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if (Thread.currentThread().isInterrupted()) {
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Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Thread was interrupted");
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return;
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}
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final Bundle namePort = (Bundle) iterator.next();
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try {
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String srvRecordServer;
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try {
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srvRecordServer = IDN.toASCII(namePort.getString("name"));
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} catch (final IllegalArgumentException e) {
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// TODO: Handle me?`
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srvRecordServer = "";
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}
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final int srvRecordPort = namePort.getInt("port");
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final String srvIpServer = namePort.getString("ip");
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// if tls is true, encryption is implied and must not be started
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features.encryptionEnabled = namePort.getBoolean("tls");
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final InetSocketAddress addr;
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if (srvIpServer != null) {
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addr = new InetSocketAddress(srvIpServer, srvRecordPort);
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Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
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+ ": using values from dns " + srvRecordServer
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+ "[" + srvIpServer + "]:" + srvRecordPort + " tls: " + features.encryptionEnabled);
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} else {
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addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
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Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
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+ ": using values from dns "
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+ srvRecordServer + ":" + srvRecordPort + " tls: " + features.encryptionEnabled);
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}
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if (!features.encryptionEnabled) {
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localSocket = new Socket();
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localSocket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
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} else {
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final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier();
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localSocket = tlsFactoryVerifier.factory.createSocket();
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if (localSocket == null) {
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throw new IOException("could not initialize ssl socket");
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}
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SSLSocketHelper.setSecurity((SSLSocket) localSocket);
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SSLSocketHelper.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) localSocket, account.getServer().getDomainpart());
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SSLSocketHelper.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) localSocket, "xmpp-client");
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localSocket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
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if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), ((SSLSocket) localSocket).getSession())) {
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Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
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throw new SecurityException();
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}
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}
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if (startXmpp(localSocket)) {
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break; // successfully connected to server that speaks xmpp
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} else {
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localSocket.close();
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}
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} catch (final SecurityException e) {
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throw e;
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} catch (InterruptedException e) {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": thread was interrupted before beginning stream");
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return;
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} catch (final Throwable e) {
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Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage() + "(" + e.getClass().getName() + ")");
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if (!iterator.hasNext()) {
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throw new UnknownHostException();
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}
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}
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}
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}
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processStream();
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} catch (final java.lang.SecurityException e) {
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this.changeStatus(Account.State.MISSING_INTERNET_PERMISSION);
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} catch (final RegistrationNotSupportedException e) {
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this.changeStatus(Account.State.REGISTRATION_NOT_SUPPORTED);
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} catch (final IncompatibleServerException e) {
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this.changeStatus(Account.State.INCOMPATIBLE_SERVER);
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} catch (final SecurityException e) {
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this.changeStatus(Account.State.SECURITY_ERROR);
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} catch (final UnauthorizedException e) {
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this.changeStatus(Account.State.UNAUTHORIZED);
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} catch (final PaymentRequiredException e) {
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this.changeStatus(Account.State.PAYMENT_REQUIRED);
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} catch (final UnknownHostException | ConnectException e) {
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this.changeStatus(Account.State.SERVER_NOT_FOUND);
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} catch (final SocksSocketFactory.SocksProxyNotFoundException e) {
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this.changeStatus(Account.State.TOR_NOT_AVAILABLE);
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} catch(final StreamErrorHostUnknown e) {
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this.changeStatus(Account.State.HOST_UNKNOWN);
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} catch(final StreamErrorPolicyViolation e) {
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this.changeStatus(Account.State.POLICY_VIOLATION);
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} catch(final StreamError e) {
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this.changeStatus(Account.State.STREAM_ERROR);
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} catch (final IOException | XmlPullParserException | NoSuchAlgorithmException e) {
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Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
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this.changeStatus(Account.State.OFFLINE);
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this.attempt = Math.max(0, this.attempt - 1);
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} finally {
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if (!Thread.currentThread().isInterrupted()) {
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forceCloseSocket();
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if (wakeLock.isHeld()) {
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try {
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wakeLock.release();
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} catch (final RuntimeException ignored) {
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}
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}
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} else {
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Log.d(Config.LOGTAG,account.getJid().toBareJid()+": not force closing socket and releasing wake lock because thread was interrupted");
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}
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}
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}
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/**
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* Starts xmpp protocol, call after connecting to socket
|
|
* @return true if server returns with valid xmpp, false otherwise
|
|
*/
|
|
private boolean startXmpp(Socket socket) throws Exception {
|
|
if (Thread.currentThread().isInterrupted()) {
|
|
throw new InterruptedException();
|
|
}
|
|
this.socket = socket;
|
|
tagReader = new XmlReader(wakeLock);
|
|
if (tagWriter != null) {
|
|
tagWriter.forceClose();
|
|
}
|
|
tagWriter = new TagWriter();
|
|
tagWriter.setOutputStream(socket.getOutputStream());
|
|
tagReader.setInputStream(socket.getInputStream());
|
|
tagWriter.beginDocument();
|
|
sendStartStream();
|
|
final Tag tag = tagReader.readTag();
|
|
return tag != null && tag.isStart("stream");
|
|
}
|
|
|
|
private static class TlsFactoryVerifier {
|
|
private final SSLSocketFactory factory;
|
|
private final HostnameVerifier verifier;
|
|
|
|
public TlsFactoryVerifier(final SSLSocketFactory factory, final HostnameVerifier verifier) throws IOException {
|
|
this.factory = factory;
|
|
this.verifier = verifier;
|
|
if (factory == null || verifier == null) {
|
|
throw new IOException("could not setup ssl");
|
|
}
|
|
}
|
|
}
|
|
|
|
private TlsFactoryVerifier getTlsFactoryVerifier() throws NoSuchAlgorithmException, KeyManagementException, IOException {
|
|
final SSLContext sc = SSLSocketHelper.getSSLContext();
|
|
MemorizingTrustManager trustManager = this.mXmppConnectionService.getMemorizingTrustManager();
|
|
KeyManager[] keyManager;
|
|
if (account.getPrivateKeyAlias() != null && account.getPassword().isEmpty()) {
|
|
keyManager = new KeyManager[]{new MyKeyManager()};
|
|
} else {
|
|
keyManager = null;
|
|
}
|
|
String domain = account.getJid().getDomainpart();
|
|
sc.init(keyManager, new X509TrustManager[]{mInteractive ? trustManager.getInteractive(domain) : trustManager.getNonInteractive(domain)}, mXmppConnectionService.getRNG());
|
|
final SSLSocketFactory factory = sc.getSocketFactory();
|
|
final HostnameVerifier verifier;
|
|
if (mInteractive) {
|
|
verifier = trustManager.wrapHostnameVerifier(new XmppDomainVerifier());
|
|
} else {
|
|
verifier = trustManager.wrapHostnameVerifierNonInteractive(new XmppDomainVerifier());
|
|
}
|
|
|
|
return new TlsFactoryVerifier(factory, verifier);
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
forceCloseSocket();
|
|
connect();
|
|
}
|
|
|
|
private void processStream() throws XmlPullParserException, IOException, NoSuchAlgorithmException {
|
|
Tag nextTag = tagReader.readTag();
|
|
while (nextTag != null && !nextTag.isEnd("stream")) {
|
|
if (nextTag.isStart("error")) {
|
|
processStreamError(nextTag);
|
|
} else if (nextTag.isStart("features")) {
|
|
processStreamFeatures(nextTag);
|
|
} else if (nextTag.isStart("proceed")) {
|
|
switchOverToTls(nextTag);
|
|
} else if (nextTag.isStart("success")) {
|
|
final String challenge = tagReader.readElement(nextTag).getContent();
|
|
try {
|
|
saslMechanism.getResponse(challenge);
|
|
} catch (final SaslMechanism.AuthenticationException e) {
|
|
disconnect(true);
|
|
Log.e(Config.LOGTAG, String.valueOf(e));
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": logged in");
|
|
account.setKey(Account.PINNED_MECHANISM_KEY,
|
|
String.valueOf(saslMechanism.getPriority()));
|
|
tagReader.reset();
|
|
sendStartStream();
|
|
final Tag tag = tagReader.readTag();
|
|
if (tag != null && tag.isStart("stream")) {
|
|
processStream();
|
|
} else {
|
|
throw new IOException("server didn't restart stream after successful auth");
|
|
}
|
|
break;
|
|
} else if (nextTag.isStart("failure")) {
|
|
final Element failure = tagReader.readElement(nextTag);
|
|
final String text = failure.findChildContent("text");
|
|
if (failure.hasChild("account-disabled")
|
|
&& text != null
|
|
&& text.contains("renew")
|
|
&& Config.MAGIC_CREATE_DOMAIN != null
|
|
&& text.contains(Config.MAGIC_CREATE_DOMAIN)) {
|
|
throw new PaymentRequiredException();
|
|
} else {
|
|
throw new UnauthorizedException();
|
|
}
|
|
} else if (nextTag.isStart("challenge")) {
|
|
final String challenge = tagReader.readElement(nextTag).getContent();
|
|
final Element response = new Element("response");
|
|
response.setAttribute("xmlns",
|
|
"urn:ietf:params:xml:ns:xmpp-sasl");
|
|
try {
|
|
response.setContent(saslMechanism.getResponse(challenge));
|
|
} catch (final SaslMechanism.AuthenticationException e) {
|
|
// TODO: Send auth abort tag.
|
|
Log.e(Config.LOGTAG, e.toString());
|
|
}
|
|
tagWriter.writeElement(response);
|
|
} else if (nextTag.isStart("enabled")) {
|
|
final Element enabled = tagReader.readElement(nextTag);
|
|
if ("true".equals(enabled.getAttribute("resume"))) {
|
|
this.streamId = enabled.getAttribute("id");
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
|
|
+ ": stream management(" + smVersion
|
|
+ ") enabled (resumable)");
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
|
|
+ ": stream management(" + smVersion + ") enabled");
|
|
}
|
|
this.stanzasReceived = 0;
|
|
final RequestPacket r = new RequestPacket(smVersion);
|
|
tagWriter.writeStanzaAsync(r);
|
|
} else if (nextTag.isStart("resumed")) {
|
|
lastPacketReceived = SystemClock.elapsedRealtime();
|
|
final Element resumed = tagReader.readElement(nextTag);
|
|
final String h = resumed.getAttribute("h");
|
|
try {
|
|
ArrayList<AbstractAcknowledgeableStanza> failedStanzas = new ArrayList<>();
|
|
synchronized (this.mStanzaQueue) {
|
|
final int serverCount = Integer.parseInt(h);
|
|
if (serverCount != stanzasSent) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
|
|
+ ": session resumed with lost packages");
|
|
stanzasSent = serverCount;
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": session resumed");
|
|
}
|
|
acknowledgeStanzaUpTo(serverCount);
|
|
for (int i = 0; i < this.mStanzaQueue.size(); ++i) {
|
|
failedStanzas.add(mStanzaQueue.valueAt(i));
|
|
}
|
|
mStanzaQueue.clear();
|
|
}
|
|
Log.d(Config.LOGTAG, "resending " + failedStanzas.size() + " stanzas");
|
|
for (AbstractAcknowledgeableStanza packet : failedStanzas) {
|
|
if (packet instanceof MessagePacket) {
|
|
MessagePacket message = (MessagePacket) packet;
|
|
mXmppConnectionService.markMessage(account,
|
|
message.getTo().toBareJid(),
|
|
message.getId(),
|
|
Message.STATUS_UNSEND);
|
|
}
|
|
sendPacket(packet);
|
|
}
|
|
} catch (final NumberFormatException ignored) {
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()+ ": online with resource " + account.getResource());
|
|
changeStatus(Account.State.ONLINE);
|
|
} else if (nextTag.isStart("r")) {
|
|
tagReader.readElement(nextTag);
|
|
if (Config.EXTENDED_SM_LOGGING) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": acknowledging stanza #" + this.stanzasReceived);
|
|
}
|
|
final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
|
|
tagWriter.writeStanzaAsync(ack);
|
|
} else if (nextTag.isStart("a")) {
|
|
final Element ack = tagReader.readElement(nextTag);
|
|
lastPacketReceived = SystemClock.elapsedRealtime();
|
|
try {
|
|
synchronized (this.mStanzaQueue) {
|
|
final int serverSequence = Integer.parseInt(ack.getAttribute("h"));
|
|
acknowledgeStanzaUpTo(serverSequence);
|
|
}
|
|
} catch (NumberFormatException | NullPointerException e) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server send ack without sequence number");
|
|
}
|
|
} else if (nextTag.isStart("failed")) {
|
|
Element failed = tagReader.readElement(nextTag);
|
|
try {
|
|
final int serverCount = Integer.parseInt(failed.getAttribute("h"));
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed but server acknowledged stanza #"+serverCount);
|
|
synchronized (this.mStanzaQueue) {
|
|
acknowledgeStanzaUpTo(serverCount);
|
|
}
|
|
} catch (NumberFormatException | NullPointerException e) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed");
|
|
}
|
|
resetStreamId();
|
|
if (account.getStatus() != Account.State.ONLINE) {
|
|
sendBindRequest();
|
|
}
|
|
} else if (nextTag.isStart("iq")) {
|
|
processIq(nextTag);
|
|
} else if (nextTag.isStart("message")) {
|
|
processMessage(nextTag);
|
|
} else if (nextTag.isStart("presence")) {
|
|
processPresence(nextTag);
|
|
}
|
|
nextTag = tagReader.readTag();
|
|
}
|
|
}
|
|
|
|
private void acknowledgeStanzaUpTo(int serverCount) {
|
|
for (int i = 0; i < mStanzaQueue.size(); ++i) {
|
|
if (serverCount >= mStanzaQueue.keyAt(i)) {
|
|
if (Config.EXTENDED_SM_LOGGING) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server acknowledged stanza #" + mStanzaQueue.keyAt(i));
|
|
}
|
|
AbstractAcknowledgeableStanza stanza = mStanzaQueue.valueAt(i);
|
|
if (stanza instanceof MessagePacket && acknowledgedListener != null) {
|
|
MessagePacket packet = (MessagePacket) stanza;
|
|
acknowledgedListener.onMessageAcknowledged(account, packet.getId());
|
|
}
|
|
mStanzaQueue.removeAt(i);
|
|
i--;
|
|
}
|
|
}
|
|
}
|
|
|
|
private Element processPacket(final Tag currentTag, final int packetType)
|
|
throws XmlPullParserException, IOException {
|
|
Element element;
|
|
switch (packetType) {
|
|
case PACKET_IQ:
|
|
element = new IqPacket();
|
|
break;
|
|
case PACKET_MESSAGE:
|
|
element = new MessagePacket();
|
|
break;
|
|
case PACKET_PRESENCE:
|
|
element = new PresencePacket();
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
element.setAttributes(currentTag.getAttributes());
|
|
Tag nextTag = tagReader.readTag();
|
|
if (nextTag == null) {
|
|
throw new IOException("interrupted mid tag");
|
|
}
|
|
while (!nextTag.isEnd(element.getName())) {
|
|
if (!nextTag.isNo()) {
|
|
final Element child = tagReader.readElement(nextTag);
|
|
final String type = currentTag.getAttribute("type");
|
|
if (packetType == PACKET_IQ
|
|
&& "jingle".equals(child.getName())
|
|
&& ("set".equalsIgnoreCase(type) || "get"
|
|
.equalsIgnoreCase(type))) {
|
|
element = new JinglePacket();
|
|
element.setAttributes(currentTag.getAttributes());
|
|
}
|
|
element.addChild(child);
|
|
}
|
|
nextTag = tagReader.readTag();
|
|
if (nextTag == null) {
|
|
throw new IOException("interrupted mid tag");
|
|
}
|
|
}
|
|
if (stanzasReceived == Integer.MAX_VALUE) {
|
|
resetStreamId();
|
|
throw new IOException("time to restart the session. cant handle >2 billion pcks");
|
|
}
|
|
++stanzasReceived;
|
|
lastPacketReceived = SystemClock.elapsedRealtime();
|
|
if (Config.BACKGROUND_STANZA_LOGGING && mXmppConnectionService.checkListeners()) {
|
|
Log.d(Config.LOGTAG,"[background stanza] "+element);
|
|
}
|
|
return element;
|
|
}
|
|
|
|
private void processIq(final Tag currentTag) throws XmlPullParserException, IOException {
|
|
final IqPacket packet = (IqPacket) processPacket(currentTag, PACKET_IQ);
|
|
|
|
if (packet.getId() == null) {
|
|
return; // an iq packet without id is definitely invalid
|
|
}
|
|
|
|
if (packet instanceof JinglePacket) {
|
|
if (this.jingleListener != null) {
|
|
this.jingleListener.onJinglePacketReceived(account,(JinglePacket) packet);
|
|
}
|
|
} else {
|
|
OnIqPacketReceived callback = null;
|
|
synchronized (this.packetCallbacks) {
|
|
if (packetCallbacks.containsKey(packet.getId())) {
|
|
final Pair<IqPacket, OnIqPacketReceived> packetCallbackDuple = packetCallbacks.get(packet.getId());
|
|
// Packets to the server should have responses from the server
|
|
if (packetCallbackDuple.first.toServer(account)) {
|
|
if (packet.fromServer(account)) {
|
|
callback = packetCallbackDuple.second;
|
|
packetCallbacks.remove(packet.getId());
|
|
} else {
|
|
Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet");
|
|
}
|
|
} else {
|
|
if (packet.getFrom().equals(packetCallbackDuple.first.getTo())) {
|
|
callback = packetCallbackDuple.second;
|
|
packetCallbacks.remove(packet.getId());
|
|
} else {
|
|
Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet");
|
|
}
|
|
}
|
|
} else if (packet.getType() == IqPacket.TYPE.GET || packet.getType() == IqPacket.TYPE.SET) {
|
|
callback = this.unregisteredIqListener;
|
|
}
|
|
}
|
|
if (callback != null) {
|
|
callback.onIqPacketReceived(account,packet);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void processMessage(final Tag currentTag) throws XmlPullParserException, IOException {
|
|
final MessagePacket packet = (MessagePacket) processPacket(currentTag,PACKET_MESSAGE);
|
|
this.messageListener.onMessagePacketReceived(account, packet);
|
|
}
|
|
|
|
private void processPresence(final Tag currentTag) throws XmlPullParserException, IOException {
|
|
PresencePacket packet = (PresencePacket) processPacket(currentTag, PACKET_PRESENCE);
|
|
this.presenceListener.onPresencePacketReceived(account, packet);
|
|
}
|
|
|
|
private void sendStartTLS() throws IOException {
|
|
final Tag startTLS = Tag.empty("starttls");
|
|
startTLS.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-tls");
|
|
tagWriter.writeTag(startTLS);
|
|
}
|
|
|
|
|
|
|
|
private void switchOverToTls(final Tag currentTag) throws XmlPullParserException, IOException {
|
|
tagReader.readTag();
|
|
try {
|
|
final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier();
|
|
final InetAddress address = socket == null ? null : socket.getInetAddress();
|
|
|
|
if (address == null) {
|
|
throw new IOException("could not setup ssl");
|
|
}
|
|
|
|
final SSLSocket sslSocket = (SSLSocket) tlsFactoryVerifier.factory.createSocket(socket, address.getHostAddress(), socket.getPort(), true);
|
|
|
|
if (sslSocket == null) {
|
|
throw new IOException("could not initialize ssl socket");
|
|
}
|
|
|
|
SSLSocketHelper.setSecurity(sslSocket);
|
|
|
|
if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), sslSocket.getSession())) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed");
|
|
throw new SecurityException();
|
|
}
|
|
tagReader.setInputStream(sslSocket.getInputStream());
|
|
tagWriter.setOutputStream(sslSocket.getOutputStream());
|
|
sendStartStream();
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()+ ": TLS connection established");
|
|
features.encryptionEnabled = true;
|
|
final Tag tag = tagReader.readTag();
|
|
if (tag != null && tag.isStart("stream")) {
|
|
processStream();
|
|
} else {
|
|
throw new IOException("server didn't restart stream after STARTTLS");
|
|
}
|
|
sslSocket.close();
|
|
} catch (final NoSuchAlgorithmException | KeyManagementException e1) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
|
|
throw new SecurityException();
|
|
}
|
|
}
|
|
|
|
private void processStreamFeatures(final Tag currentTag)
|
|
throws XmlPullParserException, IOException {
|
|
this.streamFeatures = tagReader.readElement(currentTag);
|
|
if (this.streamFeatures.hasChild("starttls") && !features.encryptionEnabled) {
|
|
sendStartTLS();
|
|
} else if (this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) {
|
|
if (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS) {
|
|
sendRegistryRequest();
|
|
} else {
|
|
throw new IncompatibleServerException();
|
|
}
|
|
} else if (!this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) {
|
|
throw new RegistrationNotSupportedException();
|
|
} else if (this.streamFeatures.hasChild("mechanisms")
|
|
&& shouldAuthenticate
|
|
&& (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS)) {
|
|
authenticate();
|
|
} else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:" + smVersion) && streamId != null) {
|
|
if (Config.EXTENDED_SM_LOGGING) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": resuming after stanza #"+stanzasReceived);
|
|
}
|
|
final ResumePacket resume = new ResumePacket(this.streamId, stanzasReceived, smVersion);
|
|
this.tagWriter.writeStanzaAsync(resume);
|
|
} else if (needsBinding) {
|
|
if (this.streamFeatures.hasChild("bind")) {
|
|
sendBindRequest();
|
|
} else {
|
|
throw new IncompatibleServerException();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void authenticate() throws IOException {
|
|
final List<String> mechanisms = extractMechanisms(streamFeatures
|
|
.findChild("mechanisms"));
|
|
final Element auth = new Element("auth");
|
|
auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl");
|
|
if (mechanisms.contains("EXTERNAL") && account.getPrivateKeyAlias() != null) {
|
|
saslMechanism = new External(tagWriter, account, mXmppConnectionService.getRNG());
|
|
} else if (mechanisms.contains("SCRAM-SHA-256")) {
|
|
saslMechanism = new ScramSha256(tagWriter, account, mXmppConnectionService.getRNG());
|
|
} else if (mechanisms.contains("SCRAM-SHA-1")) {
|
|
saslMechanism = new ScramSha1(tagWriter, account, mXmppConnectionService.getRNG());
|
|
} else if (mechanisms.contains("PLAIN")) {
|
|
saslMechanism = new Plain(tagWriter, account);
|
|
} else if (mechanisms.contains("DIGEST-MD5")) {
|
|
saslMechanism = new DigestMd5(tagWriter, account, mXmppConnectionService.getRNG());
|
|
} else if (mechanisms.contains("ANONYMOUS")) {
|
|
saslMechanism = new Anonymous(tagWriter, account, mXmppConnectionService.getRNG());
|
|
}
|
|
if (saslMechanism != null) {
|
|
final int pinnedMechanism = account.getKeyAsInt(Account.PINNED_MECHANISM_KEY, -1);
|
|
if (pinnedMechanism > saslMechanism.getPriority()) {
|
|
Log.e(Config.LOGTAG, "Auth failed. Authentication mechanism " + saslMechanism.getMechanism() +
|
|
" has lower priority (" + String.valueOf(saslMechanism.getPriority()) +
|
|
") than pinned priority (" + pinnedMechanism +
|
|
"). Possible downgrade attack?");
|
|
throw new SecurityException();
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toString() + ": Authenticating with " + saslMechanism.getMechanism());
|
|
auth.setAttribute("mechanism", saslMechanism.getMechanism());
|
|
if (!saslMechanism.getClientFirstMessage().isEmpty()) {
|
|
auth.setContent(saslMechanism.getClientFirstMessage());
|
|
}
|
|
tagWriter.writeElement(auth);
|
|
} else {
|
|
throw new IncompatibleServerException();
|
|
}
|
|
}
|
|
|
|
private List<String> extractMechanisms(final Element stream) {
|
|
final ArrayList<String> mechanisms = new ArrayList<>(stream
|
|
.getChildren().size());
|
|
for (final Element child : stream.getChildren()) {
|
|
mechanisms.add(child.getContent());
|
|
}
|
|
return mechanisms;
|
|
}
|
|
|
|
private void sendRegistryRequest() {
|
|
final IqPacket register = new IqPacket(IqPacket.TYPE.GET);
|
|
register.query("jabber:iq:register");
|
|
register.setTo(account.getServer());
|
|
sendUnmodifiedIqPacket(register, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(final Account account, final IqPacket packet) {
|
|
boolean failed = false;
|
|
if (packet.getType() == IqPacket.TYPE.RESULT
|
|
&& packet.query().hasChild("username")
|
|
&& (packet.query().hasChild("password"))) {
|
|
final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
|
|
final Element username = new Element("username").setContent(account.getUsername());
|
|
final Element password = new Element("password").setContent(account.getPassword());
|
|
register.query("jabber:iq:register").addChild(username);
|
|
register.query().addChild(password);
|
|
register.setFrom(account.getJid().toBareJid());
|
|
sendUnmodifiedIqPacket(register, registrationResponseListener);
|
|
} else if (packet.getType() == IqPacket.TYPE.RESULT
|
|
&& (packet.query().hasChild("x", "jabber:x:data"))) {
|
|
final Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
|
|
final Element blob = packet.query().findChild("data", "urn:xmpp:bob");
|
|
final String id = packet.getId();
|
|
|
|
Bitmap captcha = null;
|
|
if (blob != null) {
|
|
try {
|
|
final String base64Blob = blob.getContent();
|
|
final byte[] strBlob = Base64.decode(base64Blob, Base64.DEFAULT);
|
|
InputStream stream = new ByteArrayInputStream(strBlob);
|
|
captcha = BitmapFactory.decodeStream(stream);
|
|
} catch (Exception e) {
|
|
//ignored
|
|
}
|
|
} else {
|
|
try {
|
|
Field url = data.getFieldByName("url");
|
|
String urlString = url.findChildContent("value");
|
|
URL uri = new URL(urlString);
|
|
captcha = BitmapFactory.decodeStream(uri.openConnection().getInputStream());
|
|
} catch (IOException e) {
|
|
Log.e(Config.LOGTAG, e.toString());
|
|
}
|
|
}
|
|
|
|
if (captcha != null) {
|
|
failed = !mXmppConnectionService.displayCaptchaRequest(account, id, data, captcha);
|
|
}
|
|
} else {
|
|
failed = true;
|
|
}
|
|
|
|
if (failed) {
|
|
final Element instructions = packet.query().findChild("instructions");
|
|
setAccountCreationFailed((instructions != null) ? instructions.getContent() : "");
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void setAccountCreationFailed(String instructions) {
|
|
changeStatus(Account.State.REGISTRATION_FAILED);
|
|
disconnect(true);
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()
|
|
+ ": could not register. instructions are"
|
|
+ instructions);
|
|
}
|
|
|
|
public void resetEverything() {
|
|
resetAttemptCount(true);
|
|
resetStreamId();
|
|
clearIqCallbacks();
|
|
mStanzaQueue.clear();
|
|
synchronized (this.disco) {
|
|
disco.clear();
|
|
}
|
|
}
|
|
|
|
private void sendBindRequest() {
|
|
while(!mXmppConnectionService.areMessagesInitialized() && socket != null && !socket.isClosed()) {
|
|
try {
|
|
Thread.sleep(500);
|
|
} catch (final InterruptedException ignored) {
|
|
}
|
|
}
|
|
needsBinding = false;
|
|
clearIqCallbacks();
|
|
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
|
|
iq.addChild("bind", "urn:ietf:params:xml:ns:xmpp-bind")
|
|
.addChild("resource").setContent(account.getResource());
|
|
this.sendUnmodifiedIqPacket(iq, new OnIqPacketReceived() {
|
|
@Override
|
|
public void onIqPacketReceived(final Account account, final IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
|
|
return;
|
|
}
|
|
final Element bind = packet.findChild("bind");
|
|
if (bind != null && packet.getType() == IqPacket.TYPE.RESULT) {
|
|
final Element jid = bind.findChild("jid");
|
|
if (jid != null && jid.getContent() != null) {
|
|
try {
|
|
if (account.setJid(Jid.fromString(jid.getContent()))) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": bare jid changed during bind. updating database");
|
|
mXmppConnectionService.databaseBackend.updateAccount(account);
|
|
}
|
|
if (streamFeatures.hasChild("session")
|
|
&& !streamFeatures.findChild("session").hasChild("optional")) {
|
|
sendStartSession();
|
|
} else {
|
|
sendPostBindInitialization();
|
|
}
|
|
return;
|
|
} catch (final InvalidJidException e) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server reported invalid jid ("+jid.getContent()+") on bind");
|
|
}
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure. (no jid)");
|
|
}
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure (" + packet.toString());
|
|
}
|
|
forceCloseSocket();
|
|
changeStatus(Account.State.BIND_FAILURE);
|
|
}
|
|
});
|
|
}
|
|
|
|
private void clearIqCallbacks() {
|
|
final IqPacket failurePacket = new IqPacket(IqPacket.TYPE.TIMEOUT);
|
|
final ArrayList<OnIqPacketReceived> callbacks = new ArrayList<>();
|
|
synchronized (this.packetCallbacks) {
|
|
if (this.packetCallbacks.size() == 0) {
|
|
return;
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": clearing "+this.packetCallbacks.size()+" iq callbacks");
|
|
final Iterator<Pair<IqPacket, OnIqPacketReceived>> iterator = this.packetCallbacks.values().iterator();
|
|
while (iterator.hasNext()) {
|
|
Pair<IqPacket, OnIqPacketReceived> entry = iterator.next();
|
|
callbacks.add(entry.second);
|
|
iterator.remove();
|
|
}
|
|
}
|
|
for(OnIqPacketReceived callback : callbacks) {
|
|
callback.onIqPacketReceived(account,failurePacket);
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": done clearing iq callbacks. " + this.packetCallbacks.size() + " left");
|
|
}
|
|
|
|
public void sendDiscoTimeout() {
|
|
if (mWaitForDisco.compareAndSet(true, false)) {
|
|
finalizeBind();
|
|
}
|
|
}
|
|
|
|
private void sendStartSession() {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending legacy session to outdated server");
|
|
final IqPacket startSession = new IqPacket(IqPacket.TYPE.SET);
|
|
startSession.addChild("session", "urn:ietf:params:xml:ns:xmpp-session");
|
|
this.sendUnmodifiedIqPacket(startSession, new OnIqPacketReceived() {
|
|
@Override
|
|
public void onIqPacketReceived(Account account, IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
|
sendPostBindInitialization();
|
|
} else if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not init sessions");
|
|
disconnect(true);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void sendPostBindInitialization() {
|
|
smVersion = 0;
|
|
if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) {
|
|
smVersion = 3;
|
|
} else if (streamFeatures.hasChild("sm", "urn:xmpp:sm:2")) {
|
|
smVersion = 2;
|
|
}
|
|
if (smVersion != 0) {
|
|
synchronized (this.mStanzaQueue) {
|
|
final EnablePacket enable = new EnablePacket(smVersion);
|
|
tagWriter.writeStanzaAsync(enable);
|
|
stanzasSent = 0;
|
|
mStanzaQueue.clear();
|
|
}
|
|
}
|
|
features.carbonsEnabled = false;
|
|
features.blockListRequested = false;
|
|
synchronized (this.disco) {
|
|
this.disco.clear();
|
|
}
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": starting service discovery");
|
|
mPendingServiceDiscoveries.set(0);
|
|
if (smVersion == 0 || Patches.DISCO_EXCEPTIONS.contains(account.getJid().getDomainpart())) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": do not wait for service discovery");
|
|
mWaitForDisco.set(false);
|
|
} else {
|
|
mWaitForDisco.set(true);
|
|
}
|
|
lastDiscoStarted = SystemClock.elapsedRealtime();
|
|
mXmppConnectionService.scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
|
|
Element caps = streamFeatures.findChild("c");
|
|
final String hash = caps == null ? null : caps.getAttribute("hash");
|
|
final String ver = caps == null ? null : caps.getAttribute("ver");
|
|
ServiceDiscoveryResult discoveryResult = null;
|
|
if (hash != null && ver != null) {
|
|
discoveryResult = mXmppConnectionService.getCachedServiceDiscoveryResult(new Pair<>(hash, ver));
|
|
}
|
|
if (discoveryResult == null) {
|
|
sendServiceDiscoveryInfo(account.getServer());
|
|
} else {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server caps came from cache");
|
|
disco.put(account.getServer(), discoveryResult);
|
|
}
|
|
sendServiceDiscoveryInfo(account.getJid().toBareJid());
|
|
sendServiceDiscoveryItems(account.getServer());
|
|
|
|
if (!mWaitForDisco.get()) {
|
|
finalizeBind();
|
|
}
|
|
this.lastSessionStarted = SystemClock.elapsedRealtime();
|
|
}
|
|
|
|
private void sendServiceDiscoveryInfo(final Jid jid) {
|
|
mPendingServiceDiscoveries.incrementAndGet();
|
|
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
|
|
iq.setTo(jid);
|
|
iq.query("http://jabber.org/protocol/disco#info");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(final Account account, final IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
|
boolean advancedStreamFeaturesLoaded;
|
|
synchronized (XmppConnection.this.disco) {
|
|
ServiceDiscoveryResult result = new ServiceDiscoveryResult(packet);
|
|
if (jid.equals(account.getServer())) {
|
|
mXmppConnectionService.databaseBackend.insertDiscoveryResult(result);
|
|
}
|
|
disco.put(jid, result);
|
|
advancedStreamFeaturesLoaded = disco.containsKey(account.getServer())
|
|
&& disco.containsKey(account.getJid().toBareJid());
|
|
}
|
|
if (advancedStreamFeaturesLoaded && (jid.equals(account.getServer()) || jid.equals(account.getJid().toBareJid()))) {
|
|
enableAdvancedStreamFeatures();
|
|
}
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco info for " + jid.toString());
|
|
}
|
|
if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
|
|
if (mPendingServiceDiscoveries.decrementAndGet() == 0
|
|
&& mWaitForDisco.compareAndSet(true, false)) {
|
|
finalizeBind();
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void finalizeBind() {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": online with resource " + account.getResource());
|
|
if (bindListener != null) {
|
|
bindListener.onBind(account);
|
|
}
|
|
changeStatus(Account.State.ONLINE);
|
|
}
|
|
|
|
private void enableAdvancedStreamFeatures() {
|
|
if (getFeatures().carbons() && !features.carbonsEnabled) {
|
|
sendEnableCarbons();
|
|
}
|
|
if (getFeatures().blocking() && !features.blockListRequested) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Requesting block list");
|
|
this.sendIqPacket(getIqGenerator().generateGetBlockList(), mXmppConnectionService.getIqParser());
|
|
}
|
|
for (final OnAdvancedStreamFeaturesLoaded listener : advancedStreamFeaturesLoadedListeners) {
|
|
listener.onAdvancedStreamFeaturesAvailable(account);
|
|
}
|
|
}
|
|
|
|
private void sendServiceDiscoveryItems(final Jid server) {
|
|
mPendingServiceDiscoveries.incrementAndGet();
|
|
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
|
|
iq.setTo(server.toDomainJid());
|
|
iq.query("http://jabber.org/protocol/disco#items");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(final Account account, final IqPacket packet) {
|
|
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
|
final List<Element> elements = packet.query().getChildren();
|
|
for (final Element element : elements) {
|
|
if (element.getName().equals("item")) {
|
|
final Jid jid = element.getAttributeAsJid("jid");
|
|
if (jid != null && !jid.equals(account.getServer())) {
|
|
sendServiceDiscoveryInfo(jid);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco items of " + server);
|
|
}
|
|
if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
|
|
if (mPendingServiceDiscoveries.decrementAndGet() == 0
|
|
&& mWaitForDisco.compareAndSet(true, false)) {
|
|
finalizeBind();
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void sendEnableCarbons() {
|
|
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
|
|
iq.addChild("enable", "urn:xmpp:carbons:2");
|
|
this.sendIqPacket(iq, new OnIqPacketReceived() {
|
|
|
|
@Override
|
|
public void onIqPacketReceived(final Account account, final IqPacket packet) {
|
|
if (!packet.hasChild("error")) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()
|
|
+ ": successfully enabled carbons");
|
|
features.carbonsEnabled = true;
|
|
} else {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()
|
|
+ ": error enableing carbons " + packet.toString());
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
private void processStreamError(final Tag currentTag)
|
|
throws XmlPullParserException, IOException {
|
|
final Element streamError = tagReader.readElement(currentTag);
|
|
if (streamError == null) {
|
|
return;
|
|
}
|
|
if (streamError.hasChild("conflict")) {
|
|
final String resource = account.getResource().split("\\.")[0];
|
|
account.setResource(resource + "." + nextRandomId());
|
|
Log.d(Config.LOGTAG,
|
|
account.getJid().toBareJid() + ": switching resource due to conflict ("
|
|
+ account.getResource() + ")");
|
|
throw new IOException();
|
|
} else if (streamError.hasChild("host-unknown")) {
|
|
throw new StreamErrorHostUnknown();
|
|
} else if (streamError.hasChild("policy-violation")) {
|
|
throw new StreamErrorPolicyViolation();
|
|
} else {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": stream error "+streamError.toString());
|
|
throw new StreamError();
|
|
}
|
|
}
|
|
|
|
private void sendStartStream() throws IOException {
|
|
final Tag stream = Tag.start("stream:stream");
|
|
stream.setAttribute("to", account.getServer().toString());
|
|
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, mXmppConnectionService.getRNG()).toString(36);
|
|
}
|
|
|
|
public String sendIqPacket(final IqPacket packet, final OnIqPacketReceived callback) {
|
|
packet.setFrom(account.getJid());
|
|
return this.sendUnmodifiedIqPacket(packet, callback);
|
|
}
|
|
|
|
public synchronized String sendUnmodifiedIqPacket(final IqPacket packet, final OnIqPacketReceived callback) {
|
|
if (packet.getId() == null) {
|
|
final String id = nextRandomId();
|
|
packet.setAttribute("id", id);
|
|
}
|
|
if (callback != null) {
|
|
synchronized (this.packetCallbacks) {
|
|
packetCallbacks.put(packet.getId(), new Pair<>(packet, callback));
|
|
}
|
|
}
|
|
this.sendPacket(packet);
|
|
return packet.getId();
|
|
}
|
|
|
|
public void sendMessagePacket(final MessagePacket packet) {
|
|
this.sendPacket(packet);
|
|
}
|
|
|
|
public void sendPresencePacket(final PresencePacket packet) {
|
|
this.sendPacket(packet);
|
|
}
|
|
|
|
private synchronized void sendPacket(final AbstractStanza packet) {
|
|
if (stanzasSent == Integer.MAX_VALUE) {
|
|
resetStreamId();
|
|
disconnect(true);
|
|
return;
|
|
}
|
|
synchronized (this.mStanzaQueue) {
|
|
tagWriter.writeStanzaAsync(packet);
|
|
if (packet instanceof AbstractAcknowledgeableStanza) {
|
|
AbstractAcknowledgeableStanza stanza = (AbstractAcknowledgeableStanza) packet;
|
|
++stanzasSent;
|
|
this.mStanzaQueue.append(stanzasSent, stanza);
|
|
if (stanza instanceof MessagePacket && stanza.getId() != null && getFeatures().sm()) {
|
|
if (Config.EXTENDED_SM_LOGGING) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": requesting ack for message stanza #" + stanzasSent);
|
|
}
|
|
tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void sendPing() {
|
|
if (!r()) {
|
|
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
|
|
iq.setFrom(account.getJid());
|
|
iq.addChild("ping", "urn:xmpp:ping");
|
|
this.sendIqPacket(iq, null);
|
|
}
|
|
this.lastPingSent = SystemClock.elapsedRealtime();
|
|
}
|
|
|
|
public void setOnMessagePacketReceivedListener(
|
|
final OnMessagePacketReceived listener) {
|
|
this.messageListener = listener;
|
|
}
|
|
|
|
public void setOnUnregisteredIqPacketReceivedListener(
|
|
final OnIqPacketReceived listener) {
|
|
this.unregisteredIqListener = listener;
|
|
}
|
|
|
|
public void setOnPresencePacketReceivedListener(
|
|
final OnPresencePacketReceived listener) {
|
|
this.presenceListener = listener;
|
|
}
|
|
|
|
public void setOnJinglePacketReceivedListener(
|
|
final OnJinglePacketReceived listener) {
|
|
this.jingleListener = listener;
|
|
}
|
|
|
|
public void setOnStatusChangedListener(final OnStatusChanged listener) {
|
|
this.statusListener = listener;
|
|
}
|
|
|
|
public void setOnBindListener(final OnBindListener listener) {
|
|
this.bindListener = listener;
|
|
}
|
|
|
|
public void setOnMessageAcknowledgeListener(final OnMessageAcknowledged listener) {
|
|
this.acknowledgedListener = listener;
|
|
}
|
|
|
|
public void addOnAdvancedStreamFeaturesAvailableListener(final OnAdvancedStreamFeaturesLoaded listener) {
|
|
if (!this.advancedStreamFeaturesLoadedListeners.contains(listener)) {
|
|
this.advancedStreamFeaturesLoadedListeners.add(listener);
|
|
}
|
|
}
|
|
|
|
private void forceCloseSocket() {
|
|
if (socket != null) {
|
|
try {
|
|
socket.close();
|
|
} catch (IOException e) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": io exception "+e.getMessage()+" during force close");
|
|
}
|
|
} else {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": socket was null during force close");
|
|
}
|
|
}
|
|
|
|
public void interrupt() {
|
|
Thread.currentThread().interrupt();
|
|
}
|
|
|
|
public void disconnect(final boolean force) {
|
|
interrupt();
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": disconnecting force="+Boolean.valueOf(force));
|
|
if (force) {
|
|
forceCloseSocket();
|
|
} else {
|
|
if (tagWriter.isActive()) {
|
|
tagWriter.finish();
|
|
try {
|
|
int i = 0;
|
|
boolean warned = false;
|
|
while (!tagWriter.finished() && socket.isConnected() && i <= 10) {
|
|
if (!warned) {
|
|
Log.d(Config.LOGTAG, account.getJid().toBareJid()+": waiting for tag writer to finish");
|
|
warned = true;
|
|
}
|
|
try {
|
|
Thread.sleep(200);
|
|
} catch(InterruptedException e) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sleep interrupted");
|
|
}
|
|
i++;
|
|
}
|
|
if (warned) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": tag writer has finished");
|
|
}
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": closing stream");
|
|
tagWriter.writeTag(Tag.end("stream:stream"));
|
|
} catch (final IOException e) {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": io exception during disconnect ("+e.getMessage()+")");
|
|
} finally {
|
|
forceCloseSocket();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void resetStreamId() {
|
|
this.streamId = null;
|
|
}
|
|
|
|
private List<Entry<Jid, ServiceDiscoveryResult>> findDiscoItemsByFeature(final String feature) {
|
|
synchronized (this.disco) {
|
|
final List<Entry<Jid, ServiceDiscoveryResult>> items = new ArrayList<>();
|
|
for (final Entry<Jid, ServiceDiscoveryResult> cursor : this.disco.entrySet()) {
|
|
if (cursor.getValue().getFeatures().contains(feature)) {
|
|
items.add(cursor);
|
|
}
|
|
}
|
|
return items;
|
|
}
|
|
}
|
|
|
|
public Jid findDiscoItemByFeature(final String feature) {
|
|
final List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(feature);
|
|
if (items.size() >= 1) {
|
|
return items.get(0).getKey();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public boolean r() {
|
|
if (getFeatures().sm()) {
|
|
this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion));
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public String getMucServer() {
|
|
synchronized (this.disco) {
|
|
for (final Entry<Jid, ServiceDiscoveryResult> cursor : disco.entrySet()) {
|
|
final ServiceDiscoveryResult value = cursor.getValue();
|
|
if (value.getFeatures().contains("http://jabber.org/protocol/muc")
|
|
&& !value.getFeatures().contains("jabber:iq:gateway")
|
|
&& !value.hasIdentity("conference", "irc")) {
|
|
return cursor.getKey().toString();
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public int getTimeToNextAttempt() {
|
|
final int interval = Math.min((int) (25 * Math.pow(1.3, attempt)), 300);
|
|
final int secondsSinceLast = (int) ((SystemClock.elapsedRealtime() - this.lastConnect) / 1000);
|
|
return interval - secondsSinceLast;
|
|
}
|
|
|
|
public int getAttempt() {
|
|
return this.attempt;
|
|
}
|
|
|
|
public Features getFeatures() {
|
|
return this.features;
|
|
}
|
|
|
|
public long getLastSessionEstablished() {
|
|
final long diff = SystemClock.elapsedRealtime() - this.lastSessionStarted;
|
|
return System.currentTimeMillis() - diff;
|
|
}
|
|
|
|
public long getLastConnect() {
|
|
return this.lastConnect;
|
|
}
|
|
|
|
public long getLastPingSent() {
|
|
return this.lastPingSent;
|
|
}
|
|
|
|
public long getLastDiscoStarted() {
|
|
return this.lastDiscoStarted;
|
|
}
|
|
public long getLastPacketReceived() {
|
|
return this.lastPacketReceived;
|
|
}
|
|
|
|
public void sendActive() {
|
|
this.sendPacket(new ActivePacket());
|
|
}
|
|
|
|
public void sendInactive() {
|
|
this.sendPacket(new InactivePacket());
|
|
}
|
|
|
|
public void resetAttemptCount(boolean resetConnectTime) {
|
|
this.attempt = 0;
|
|
if (resetConnectTime) {
|
|
this.lastConnect = 0;
|
|
}
|
|
}
|
|
|
|
public void setInteractive(boolean interactive) {
|
|
this.mInteractive = interactive;
|
|
}
|
|
|
|
public Identity getServerIdentity() {
|
|
synchronized (this.disco) {
|
|
ServiceDiscoveryResult result = disco.get(account.getJid().toDomainJid());
|
|
if (result == null) {
|
|
return Identity.UNKNOWN;
|
|
}
|
|
for (final ServiceDiscoveryResult.Identity id : result.getIdentities()) {
|
|
if (id.getType().equals("im") && id.getCategory().equals("server") && id.getName() != null) {
|
|
switch (id.getName()) {
|
|
case "Prosody":
|
|
return Identity.PROSODY;
|
|
case "ejabberd":
|
|
return Identity.EJABBERD;
|
|
case "Slack-XMPP":
|
|
return Identity.SLACK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Identity.UNKNOWN;
|
|
}
|
|
|
|
private class UnauthorizedException extends IOException {
|
|
|
|
}
|
|
|
|
private class SecurityException extends IOException {
|
|
|
|
}
|
|
|
|
private class IncompatibleServerException extends IOException {
|
|
|
|
}
|
|
|
|
private class StreamErrorHostUnknown extends StreamError {
|
|
|
|
}
|
|
|
|
private class StreamErrorPolicyViolation extends StreamError {
|
|
|
|
}
|
|
|
|
private class StreamError extends IOException {
|
|
|
|
}
|
|
|
|
private class PaymentRequiredException extends IOException {
|
|
|
|
}
|
|
|
|
private class RegistrationNotSupportedException extends IOException {
|
|
|
|
}
|
|
|
|
public enum Identity {
|
|
FACEBOOK,
|
|
SLACK,
|
|
EJABBERD,
|
|
PROSODY,
|
|
NIMBUZZ,
|
|
UNKNOWN
|
|
}
|
|
|
|
public class Features {
|
|
XmppConnection connection;
|
|
private boolean carbonsEnabled = false;
|
|
private boolean encryptionEnabled = false;
|
|
private boolean blockListRequested = false;
|
|
|
|
public Features(final XmppConnection connection) {
|
|
this.connection = connection;
|
|
}
|
|
|
|
private boolean hasDiscoFeature(final Jid server, final String feature) {
|
|
synchronized (XmppConnection.this.disco) {
|
|
return connection.disco.containsKey(server) &&
|
|
connection.disco.get(server).getFeatures().contains(feature);
|
|
}
|
|
}
|
|
|
|
public boolean carbons() {
|
|
return hasDiscoFeature(account.getServer(), "urn:xmpp:carbons:2");
|
|
}
|
|
|
|
public boolean blocking() {
|
|
return hasDiscoFeature(account.getServer(), Xmlns.BLOCKING);
|
|
}
|
|
|
|
public boolean spamReporting() {
|
|
return hasDiscoFeature(account.getServer(), "urn:xmpp:reporting:reason:spam:0");
|
|
}
|
|
|
|
public boolean register() {
|
|
return hasDiscoFeature(account.getServer(), Xmlns.REGISTER);
|
|
}
|
|
|
|
public boolean sm() {
|
|
return streamId != null
|
|
|| (connection.streamFeatures != null && connection.streamFeatures.hasChild("sm"));
|
|
}
|
|
|
|
public boolean csi() {
|
|
return connection.streamFeatures != null && connection.streamFeatures.hasChild("csi", "urn:xmpp:csi:0");
|
|
}
|
|
|
|
public boolean pep() {
|
|
synchronized (XmppConnection.this.disco) {
|
|
ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid());
|
|
return info != null && info.hasIdentity("pubsub", "pep");
|
|
}
|
|
}
|
|
|
|
public boolean pepPersistent() {
|
|
synchronized (XmppConnection.this.disco) {
|
|
ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid());
|
|
return info != null && info.getFeatures().contains("http://jabber.org/protocol/pubsub#persistent-items");
|
|
}
|
|
}
|
|
|
|
public boolean mam() {
|
|
return hasDiscoFeature(account.getJid().toBareJid(), Xmlns.MAM)
|
|
|| hasDiscoFeature(account.getJid().toBareJid(), Xmlns.MAM_LAGECY);
|
|
}
|
|
|
|
public boolean mamLegacy() {
|
|
return !hasDiscoFeature(account.getJid().toBareJid(),Xmlns.MAM)
|
|
&& hasDiscoFeature(account.getJid().toBareJid(),Xmlns.MAM_LAGECY);
|
|
}
|
|
|
|
public boolean push() {
|
|
return hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:push:0")
|
|
|| hasDiscoFeature(account.getServer(), "urn:xmpp:push:0");
|
|
}
|
|
|
|
public boolean rosterVersioning() {
|
|
return connection.streamFeatures != null && connection.streamFeatures.hasChild("ver");
|
|
}
|
|
|
|
public void setBlockListRequested(boolean value) {
|
|
this.blockListRequested = value;
|
|
}
|
|
|
|
public boolean httpUpload(long filesize) {
|
|
if (Config.DISABLE_HTTP_UPLOAD) {
|
|
return false;
|
|
} else {
|
|
List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD);
|
|
if (items.size() > 0) {
|
|
try {
|
|
long maxsize = Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size"));
|
|
if(filesize <= maxsize) {
|
|
return true;
|
|
} else {
|
|
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": http upload is not available for files with size "+filesize+" (max is "+maxsize+")");
|
|
return false;
|
|
}
|
|
} catch (Exception e) {
|
|
return true;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
public long getMaxHttpUploadSize() {
|
|
List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD);
|
|
if (items.size() > 0) {
|
|
try {
|
|
return Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size"));
|
|
} catch (Exception e) {
|
|
return -1;
|
|
}
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
public boolean stanzaIds() {
|
|
return hasDiscoFeature(account.getJid().toBareJid(),Xmlns.STANZA_IDS);
|
|
}
|
|
}
|
|
|
|
private IqGenerator getIqGenerator() {
|
|
return mXmppConnectionService.getIqGenerator();
|
|
}
|
|
}
|