1887 lines
85 KiB
Java
1887 lines
85 KiB
Java
package eu.siacs.conversations.xmpp;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.SystemClock;
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import android.security.KeyChain;
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import android.support.annotation.NonNull;
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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.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.MalformedURLException;
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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.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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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.Set;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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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 java.util.regex.Matcher;
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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.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 eu.siacs.conversations.Config;
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import eu.siacs.conversations.R;
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import eu.siacs.conversations.crypto.DomainHostnameVerifier;
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import eu.siacs.conversations.crypto.XmppDomainVerifier;
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import eu.siacs.conversations.crypto.axolotl.AxolotlService;
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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.persistance.FileBackend;
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import eu.siacs.conversations.services.MemorizingTrustManager;
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import eu.siacs.conversations.services.MessageArchiveService;
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import eu.siacs.conversations.services.NotificationService;
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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.Patterns;
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import eu.siacs.conversations.utils.Resolver;
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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.XmlHelper;
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import eu.siacs.conversations.xml.Element;
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import eu.siacs.conversations.xml.LocalizedContent;
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import eu.siacs.conversations.xml.Namespace;
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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.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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import rocks.xmpp.addr.Jid;
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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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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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throw new StateChangingError(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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throw new StateChangingError(state);
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}
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}
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};
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protected final Account account;
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private final Features features = new Features(this);
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private final HashMap<Jid, ServiceDiscoveryResult> disco = new HashMap<>();
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private final SparseArray<AbstractAcknowledgeableStanza> mStanzaQueue = new SparseArray<>();
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private final Hashtable<String, Pair<IqPacket, OnIqPacketReceived>> packetCallbacks = new Hashtable<>();
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private final Set<OnAdvancedStreamFeaturesLoaded> advancedStreamFeaturesLoadedListeners = new HashSet<>();
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private final XmppConnectionService mXmppConnectionService;
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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 boolean shouldAuthenticate = true;
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private boolean inSmacksSession = false;
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private boolean isBound = false;
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private Element streamFeatures;
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private String streamId = null;
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private int smVersion = 3;
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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 boolean isMamPreferenceAlways = false;
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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 AtomicBoolean mWaitingForSmCatchup = new AtomicBoolean(false);
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private AtomicInteger mSmCatchupMessageCounter = new AtomicInteger(0);
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private boolean mInteractive = false;
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private int attempt = 0;
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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 SaslMechanism saslMechanism;
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private URL redirectionUrl = null;
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private String verifiedHostname = null;
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private volatile Thread mThread;
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private CountDownLatch mStreamCountDownLatch;
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public XmppConnection(final Account account, final XmppConnectionService service) {
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this.account = account;
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this.mXmppConnectionService = service;
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}
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private static void fixResource(Context context, Account account) {
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String resource = account.getResource();
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int fixedPartLength = context.getString(R.string.app_name).length() + 1; //include the trailing dot
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int randomPartLength = 4; // 3 bytes
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if (resource != null && resource.length() > fixedPartLength + randomPartLength) {
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if (validBase64(resource.substring(fixedPartLength, fixedPartLength + randomPartLength))) {
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account.setResource(resource.substring(0, fixedPartLength + randomPartLength));
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}
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}
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}
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private static boolean validBase64(String input) {
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try {
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return Base64.decode(input, Base64.URL_SAFE).length == 3;
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} catch (Throwable throwable) {
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return false;
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}
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}
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private void changeStatus(final Account.State nextStatus) {
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synchronized (this) {
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if (Thread.currentThread().isInterrupted()) {
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": not changing status to " + nextStatus + " because thread was interrupted");
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return;
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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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} else {
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return;
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}
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}
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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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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.mWaitingForSmCatchup.set(false);
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this.changeStatus(Account.State.CONNECTING);
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}
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public boolean isWaitingForSmCatchup() {
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return mWaitingForSmCatchup.get();
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}
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public void incrementSmCatchupMessageCounter() {
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this.mSmCatchupMessageCounter.incrementAndGet();
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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().asBareJid().toString() + ": connecting");
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features.encryptionEnabled = false;
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inSmacksSession = false;
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isBound = false;
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this.attempt++;
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this.verifiedHostname = null; //will be set if user entered hostname is being used or hostname was verified with dnssec
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try {
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Socket localSocket;
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shouldAuthenticate = !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().isEmpty() || account.isOnion()) {
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destination = account.getServer();
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} else {
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destination = account.getHostname();
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this.verifiedHostname = destination;
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}
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final int port = account.getPort();
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final boolean directTls = Resolver.useDirectTls(port);
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": connect to " + destination + " via Tor. directTls="+directTls);
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localSocket = SocksSocketFactory.createSocketOverTor(destination, port);
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if (directTls) {
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localSocket = upgradeSocketToTls(localSocket);
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features.encryptionEnabled = true;
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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().asBareJid() + ": 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 String domain = account.getJid().getDomain();
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final List<Resolver.Result> results;
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final boolean hardcoded = extended && !account.getHostname().isEmpty();
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if (hardcoded) {
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results = Resolver.fromHardCoded(account.getHostname(), account.getPort());
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} else {
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results = Resolver.resolve(domain);
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}
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if (Thread.currentThread().isInterrupted()) {
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": Thread was interrupted");
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return;
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}
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if (results.size() == 0) {
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Log.e(Config.LOGTAG,account.getJid().asBareJid()+": Resolver results were empty");
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return;
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}
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final Resolver.Result storedBackupResult;
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if (hardcoded) {
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storedBackupResult = null;
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} else {
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storedBackupResult = mXmppConnectionService.databaseBackend.findResolverResult(domain);
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if (storedBackupResult != null && !results.contains(storedBackupResult)) {
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results.add(storedBackupResult);
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": loaded backup resolver result from db: " + storedBackupResult);
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}
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}
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for (Iterator<Resolver.Result> iterator = results.iterator(); iterator.hasNext(); ) {
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final Resolver.Result result = iterator.next();
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if (Thread.currentThread().isInterrupted()) {
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": Thread was interrupted");
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return;
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}
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try {
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// if tls is true, encryption is implied and must not be started
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features.encryptionEnabled = result.isDirectTls();
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verifiedHostname = result.isAuthenticated() ? result.getHostname().toString() : null;
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Log.d(Config.LOGTAG,"verified hostname "+verifiedHostname);
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final InetSocketAddress addr;
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if (result.getIp() != null) {
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addr = new InetSocketAddress(result.getIp(), result.getPort());
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Log.d(Config.LOGTAG, account.getJid().asBareJid().toString()
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+ ": using values from resolver " + (result.getHostname() == null ? "" : result.getHostname().toString()
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+ "/") + result.getIp().getHostAddress() + ":" + result.getPort() + " tls: " + features.encryptionEnabled);
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} else {
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addr = new InetSocketAddress(IDN.toASCII(result.getHostname().toString()), result.getPort());
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Log.d(Config.LOGTAG, account.getJid().asBareJid().toString()
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+ ": using values from resolver "
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+ result.getHostname().toString() + ":" + result.getPort() + " tls: " + features.encryptionEnabled);
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}
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localSocket = new Socket();
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localSocket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
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if (features.encryptionEnabled) {
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localSocket = upgradeSocketToTls(localSocket);
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}
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localSocket.setSoTimeout(Config.SOCKET_TIMEOUT * 1000);
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if (startXmpp(localSocket)) {
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localSocket.setSoTimeout(0); //reset to 0; once the connection is established we don’t want this
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if (!hardcoded && !result.equals(storedBackupResult)) {
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mXmppConnectionService.databaseBackend.saveResolverResult(domain, result);
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}
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break; // successfully connected to server that speaks xmpp
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} else {
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FileBackend.close(localSocket);
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throw new StateChangingException(Account.State.STREAM_OPENING_ERROR);
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}
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} catch (final StateChangingException e) {
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if (!iterator.hasNext()) {
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throw e;
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}
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} catch (InterruptedException e) {
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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().asBareJid().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 SecurityException e) {
|
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this.changeStatus(Account.State.MISSING_INTERNET_PERMISSION);
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} catch (final StateChangingException e) {
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this.changeStatus(e.state);
|
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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.HostNotFoundException 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 IOException | XmlPullParserException e) {
|
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Log.d(Config.LOGTAG, account.getJid().asBareJid().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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} else {
|
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Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": not force closing socket because thread was interrupted");
|
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}
|
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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
|
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*/
|
||
private boolean startXmpp(Socket socket) throws Exception {
|
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if (Thread.currentThread().isInterrupted()) {
|
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throw new InterruptedException();
|
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}
|
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this.socket = socket;
|
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tagReader = new XmlReader();
|
||
if (tagWriter != null) {
|
||
tagWriter.forceClose();
|
||
}
|
||
tagWriter = new TagWriter();
|
||
tagWriter.setOutputStream(socket.getOutputStream());
|
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tagReader.setInputStream(socket.getInputStream());
|
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tagWriter.beginDocument();
|
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sendStartStream();
|
||
final Tag tag = tagReader.readTag();
|
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if (Thread.currentThread().isInterrupted()) {
|
||
throw new InterruptedException();
|
||
}
|
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if (socket instanceof SSLSocket) {
|
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SSLSocketHelper.log(account, (SSLSocket) socket);
|
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}
|
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return tag != null && tag.isStart("stream");
|
||
}
|
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|
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private TlsFactoryVerifier getTlsFactoryVerifier() throws NoSuchAlgorithmException, KeyManagementException, IOException {
|
||
final SSLContext sc = SSLSocketHelper.getSSLContext();
|
||
MemorizingTrustManager trustManager = this.mXmppConnectionService.getMemorizingTrustManager();
|
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KeyManager[] keyManager;
|
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if (account.getPrivateKeyAlias() != null && account.getPassword().isEmpty()) {
|
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keyManager = new KeyManager[]{new MyKeyManager()};
|
||
} else {
|
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keyManager = null;
|
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}
|
||
String domain = account.getJid().getDomain();
|
||
sc.init(keyManager, new X509TrustManager[]{mInteractive ? trustManager.getInteractive(domain) : trustManager.getNonInteractive(domain)}, mXmppConnectionService.getRNG());
|
||
final SSLSocketFactory factory = sc.getSocketFactory();
|
||
final DomainHostnameVerifier verifier = trustManager.wrapHostnameVerifier(new XmppDomainVerifier(), mInteractive);
|
||
return new TlsFactoryVerifier(factory, verifier);
|
||
}
|
||
|
||
@Override
|
||
public void run() {
|
||
synchronized (this) {
|
||
this.mThread = Thread.currentThread();
|
||
if (this.mThread.isInterrupted()) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": aborting connect because thread was interrupted");
|
||
return;
|
||
}
|
||
forceCloseSocket();
|
||
}
|
||
connect();
|
||
}
|
||
|
||
private void processStream() throws XmlPullParserException, IOException {
|
||
final CountDownLatch streamCountDownLatch = new CountDownLatch(1);
|
||
this.mStreamCountDownLatch = streamCountDownLatch;
|
||
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();
|
||
} else if (nextTag.isStart("success")) {
|
||
final String challenge = tagReader.readElement(nextTag).getContent();
|
||
try {
|
||
saslMechanism.getResponse(challenge);
|
||
} catch (final SaslMechanism.AuthenticationException e) {
|
||
Log.e(Config.LOGTAG, String.valueOf(e));
|
||
throw new StateChangingException(Account.State.UNAUTHORIZED);
|
||
}
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid().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 StateChangingException(Account.State.STREAM_OPENING_ERROR);
|
||
}
|
||
break;
|
||
} else if (nextTag.isStart("failure")) {
|
||
final Element failure = tagReader.readElement(nextTag);
|
||
if (Namespace.SASL.equals(failure.getNamespace())) {
|
||
final String text = failure.findChildContent("text");
|
||
if (failure.hasChild("account-disabled") && text != null) {
|
||
Matcher matcher = Patterns.AUTOLINK_WEB_URL.matcher(text);
|
||
if (matcher.find()) {
|
||
try {
|
||
URL url = new URL(text.substring(matcher.start(), matcher.end()));
|
||
if (url.getProtocol().equals("https")) {
|
||
this.redirectionUrl = url;
|
||
throw new StateChangingException(Account.State.PAYMENT_REQUIRED);
|
||
}
|
||
} catch (MalformedURLException e) {
|
||
throw new StateChangingException(Account.State.UNAUTHORIZED);
|
||
}
|
||
}
|
||
}
|
||
throw new StateChangingException(Account.State.UNAUTHORIZED);
|
||
} else if (Namespace.TLS.equals(failure.getNamespace())) {
|
||
throw new StateChangingException(Account.State.TLS_ERROR);
|
||
} else {
|
||
throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
|
||
}
|
||
} else if (nextTag.isStart("challenge")) {
|
||
final String challenge = tagReader.readElement(nextTag).getContent();
|
||
final Element response = new Element("response", Namespace.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().asBareJid().toString()
|
||
+ ": stream management(" + smVersion
|
||
+ ") enabled (resumable)");
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid().toString()
|
||
+ ": stream management(" + smVersion + ") enabled");
|
||
}
|
||
this.stanzasReceived = 0;
|
||
this.inSmacksSession = true;
|
||
final RequestPacket r = new RequestPacket(smVersion);
|
||
tagWriter.writeStanzaAsync(r);
|
||
} else if (nextTag.isStart("resumed")) {
|
||
this.inSmacksSession = true;
|
||
this.isBound = true;
|
||
this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion));
|
||
lastPacketReceived = SystemClock.elapsedRealtime();
|
||
final Element resumed = tagReader.readElement(nextTag);
|
||
final String h = resumed.getAttribute("h");
|
||
try {
|
||
ArrayList<AbstractAcknowledgeableStanza> failedStanzas = new ArrayList<>();
|
||
final boolean acknowledgedMessages;
|
||
synchronized (this.mStanzaQueue) {
|
||
final int serverCount = Integer.parseInt(h);
|
||
if (serverCount < stanzasSent) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid().toString()
|
||
+ ": session resumed with lost packages");
|
||
stanzasSent = serverCount;
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": session resumed");
|
||
}
|
||
acknowledgedMessages = acknowledgeStanzaUpTo(serverCount);
|
||
for (int i = 0; i < this.mStanzaQueue.size(); ++i) {
|
||
failedStanzas.add(mStanzaQueue.valueAt(i));
|
||
}
|
||
mStanzaQueue.clear();
|
||
}
|
||
if (acknowledgedMessages) {
|
||
mXmppConnectionService.updateConversationUi();
|
||
}
|
||
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().asBareJid(),
|
||
message.getId(),
|
||
Message.STATUS_UNSEND);
|
||
}
|
||
sendPacket(packet);
|
||
}
|
||
} catch (final NumberFormatException ignored) {
|
||
}
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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().asBareJid() + ": acknowledging stanza #" + this.stanzasReceived);
|
||
}
|
||
final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion);
|
||
tagWriter.writeStanzaAsync(ack);
|
||
} else if (nextTag.isStart("a")) {
|
||
boolean accountUiNeedsRefresh = false;
|
||
synchronized (NotificationService.CATCHUP_LOCK) {
|
||
if (mWaitingForSmCatchup.compareAndSet(true, false)) {
|
||
final int messageCount = mSmCatchupMessageCounter.get();
|
||
final int pendingIQs = packetCallbacks.size();
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": SM catchup complete (messages=" + messageCount + ", pending IQs="+pendingIQs+")");
|
||
accountUiNeedsRefresh = true;
|
||
if (messageCount > 0) {
|
||
mXmppConnectionService.getNotificationService().finishBacklog(true, account);
|
||
}
|
||
}
|
||
}
|
||
if (accountUiNeedsRefresh) {
|
||
mXmppConnectionService.updateAccountUi();
|
||
}
|
||
final Element ack = tagReader.readElement(nextTag);
|
||
lastPacketReceived = SystemClock.elapsedRealtime();
|
||
try {
|
||
final boolean acknowledgedMessages;
|
||
synchronized (this.mStanzaQueue) {
|
||
final int serverSequence = Integer.parseInt(ack.getAttribute("h"));
|
||
acknowledgedMessages = acknowledgeStanzaUpTo(serverSequence);
|
||
}
|
||
if (acknowledgedMessages) {
|
||
mXmppConnectionService.updateConversationUi();
|
||
}
|
||
} catch (NumberFormatException | NullPointerException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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().asBareJid() + ": resumption failed but server acknowledged stanza #" + serverCount);
|
||
final boolean acknowledgedMessages;
|
||
synchronized (this.mStanzaQueue) {
|
||
acknowledgedMessages = acknowledgeStanzaUpTo(serverCount);
|
||
}
|
||
if (acknowledgedMessages) {
|
||
mXmppConnectionService.updateConversationUi();
|
||
}
|
||
} catch (NumberFormatException | NullPointerException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": resumption failed");
|
||
}
|
||
resetStreamId();
|
||
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();
|
||
}
|
||
if (nextTag != null && nextTag.isEnd("stream")) {
|
||
streamCountDownLatch.countDown();
|
||
}
|
||
}
|
||
|
||
private boolean acknowledgeStanzaUpTo(int serverCount) {
|
||
if (serverCount > stanzasSent) {
|
||
Log.e(Config.LOGTAG, "server acknowledged more stanzas than we sent. serverCount=" + serverCount + ", ourCount=" + stanzasSent);
|
||
}
|
||
boolean acknowledgedMessages = false;
|
||
for (int i = 0; i < mStanzaQueue.size(); ++i) {
|
||
if (serverCount >= mStanzaQueue.keyAt(i)) {
|
||
if (Config.EXTENDED_SM_LOGGING) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server acknowledged stanza #" + mStanzaQueue.keyAt(i));
|
||
}
|
||
AbstractAcknowledgeableStanza stanza = mStanzaQueue.valueAt(i);
|
||
if (stanza instanceof MessagePacket && acknowledgedListener != null) {
|
||
MessagePacket packet = (MessagePacket) stanza;
|
||
acknowledgedMessages |= acknowledgedListener.onMessageAcknowledged(account, packet.getId());
|
||
}
|
||
mStanzaQueue.removeAt(i);
|
||
i--;
|
||
}
|
||
}
|
||
return acknowledgedMessages;
|
||
}
|
||
|
||
private @NonNull
|
||
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:
|
||
throw new AssertionError("Should never encounter invalid type");
|
||
}
|
||
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");
|
||
}
|
||
if (inSmacksSession) {
|
||
++stanzasReceived;
|
||
} else if (features.sm()) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": not counting stanza(" + element.getClass().getSimpleName() + "). Not in smacks session.");
|
||
}
|
||
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.valid()) {
|
||
Log.e(Config.LOGTAG, "encountered invalid iq from='" + packet.getFrom() + "' to='" + packet.getTo() + "'");
|
||
return;
|
||
}
|
||
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().asBareJid().toString() + ": ignoring spoofed iq packet");
|
||
}
|
||
} else {
|
||
if (packet.getFrom() != null && packet.getFrom().equals(packetCallbackDuple.first.getTo())) {
|
||
callback = packetCallbackDuple.second;
|
||
packetCallbacks.remove(packet.getId());
|
||
} else {
|
||
Log.e(Config.LOGTAG, account.getJid().asBareJid().toString() + ": ignoring spoofed iq packet");
|
||
}
|
||
}
|
||
} else if (packet.getType() == IqPacket.TYPE.GET || packet.getType() == IqPacket.TYPE.SET) {
|
||
callback = this.unregisteredIqListener;
|
||
}
|
||
}
|
||
if (callback != null) {
|
||
try {
|
||
callback.onIqPacketReceived(account, packet);
|
||
} catch (StateChangingError error) {
|
||
throw new StateChangingException(error.state);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
private void processMessage(final Tag currentTag) throws XmlPullParserException, IOException {
|
||
final MessagePacket packet = (MessagePacket) processPacket(currentTag, PACKET_MESSAGE);
|
||
if (!packet.valid()) {
|
||
Log.e(Config.LOGTAG, "encountered invalid message from='" + packet.getFrom() + "' to='" + packet.getTo() + "'");
|
||
return;
|
||
}
|
||
this.messageListener.onMessagePacketReceived(account, packet);
|
||
}
|
||
|
||
private void processPresence(final Tag currentTag) throws XmlPullParserException, IOException {
|
||
PresencePacket packet = (PresencePacket) processPacket(currentTag, PACKET_PRESENCE);
|
||
if (!packet.valid()) {
|
||
Log.e(Config.LOGTAG, "encountered invalid presence from='" + packet.getFrom() + "' to='" + packet.getTo() + "'");
|
||
return;
|
||
}
|
||
this.presenceListener.onPresencePacketReceived(account, packet);
|
||
}
|
||
|
||
private void sendStartTLS() throws IOException {
|
||
final Tag startTLS = Tag.empty("starttls");
|
||
startTLS.setAttribute("xmlns", Namespace.TLS);
|
||
tagWriter.writeTag(startTLS);
|
||
}
|
||
|
||
private void switchOverToTls() throws XmlPullParserException, IOException {
|
||
tagReader.readTag();
|
||
final Socket socket = this.socket;
|
||
final SSLSocket sslSocket = upgradeSocketToTls(socket);
|
||
tagReader.setInputStream(sslSocket.getInputStream());
|
||
tagWriter.setOutputStream(sslSocket.getOutputStream());
|
||
sendStartStream();
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": TLS connection established");
|
||
features.encryptionEnabled = true;
|
||
final Tag tag = tagReader.readTag();
|
||
if (tag != null && tag.isStart("stream")) {
|
||
SSLSocketHelper.log(account, sslSocket);
|
||
processStream();
|
||
} else {
|
||
throw new StateChangingException(Account.State.STREAM_OPENING_ERROR);
|
||
}
|
||
sslSocket.close();
|
||
}
|
||
|
||
private SSLSocket upgradeSocketToTls(final Socket socket) throws IOException {
|
||
final TlsFactoryVerifier tlsFactoryVerifier;
|
||
try {
|
||
tlsFactoryVerifier = getTlsFactoryVerifier();
|
||
} catch (final NoSuchAlgorithmException | KeyManagementException e) {
|
||
throw new StateChangingException(Account.State.TLS_ERROR);
|
||
}
|
||
final InetAddress address = socket.getInetAddress();
|
||
final SSLSocket sslSocket = (SSLSocket) tlsFactoryVerifier.factory.createSocket(socket, address.getHostAddress(), socket.getPort(), true);
|
||
SSLSocketHelper.setSecurity(sslSocket);
|
||
SSLSocketHelper.setHostname(sslSocket, account.getServer());
|
||
SSLSocketHelper.setApplicationProtocol(sslSocket, "xmpp-client");
|
||
if (!tlsFactoryVerifier.verifier.verify(account.getServer(), this.verifiedHostname, sslSocket.getSession())) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": TLS certificate verification failed");
|
||
FileBackend.close(sslSocket);
|
||
throw new StateChangingException(Account.State.TLS_ERROR);
|
||
}
|
||
return sslSocket;
|
||
}
|
||
|
||
private void processStreamFeatures(final Tag currentTag) throws XmlPullParserException, IOException {
|
||
this.streamFeatures = tagReader.readElement(currentTag);
|
||
final boolean isSecure = features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS || account.isOnion();
|
||
final boolean needsBinding = !isBound && !account.isOptionSet(Account.OPTION_REGISTER);
|
||
if (this.streamFeatures.hasChild("starttls") && !features.encryptionEnabled) {
|
||
sendStartTLS();
|
||
} else if (this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) {
|
||
if (isSecure) {
|
||
sendRegistryRequest();
|
||
} else {
|
||
Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to find STARTTLS for registration process "+ XmlHelper.printElementNames(this.streamFeatures));
|
||
throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
|
||
}
|
||
} else if (!this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) {
|
||
throw new StateChangingException(Account.State.REGISTRATION_NOT_SUPPORTED);
|
||
} else if (this.streamFeatures.hasChild("mechanisms") && shouldAuthenticate && isSecure) {
|
||
authenticate();
|
||
} else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:" + smVersion) && streamId != null) {
|
||
if (Config.EXTENDED_SM_LOGGING) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": resuming after stanza #" + stanzasReceived);
|
||
}
|
||
final ResumePacket resume = new ResumePacket(this.streamId, stanzasReceived, smVersion);
|
||
this.mSmCatchupMessageCounter.set(0);
|
||
this.mWaitingForSmCatchup.set(true);
|
||
this.tagWriter.writeStanzaAsync(resume);
|
||
} else if (needsBinding) {
|
||
if (this.streamFeatures.hasChild("bind") && isSecure) {
|
||
sendBindRequest();
|
||
} else {
|
||
Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to find bind feature "+ XmlHelper.printElementNames(this.streamFeatures));
|
||
throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
|
||
}
|
||
}
|
||
}
|
||
|
||
private void authenticate() throws IOException {
|
||
final List<String> mechanisms = extractMechanisms(streamFeatures
|
||
.findChild("mechanisms"));
|
||
final Element auth = new Element("auth", Namespace.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") && !account.getJid().getDomain().equals("nimbuzz.com")) {
|
||
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 StateChangingException(Account.State.DOWNGRADE_ATTACK);
|
||
}
|
||
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 {
|
||
Log.d(Config.LOGTAG,account.getJid().asBareJid()+": unable to find SASL mechanism "+ saslMechanism.toString());
|
||
throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
|
||
}
|
||
}
|
||
|
||
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(Namespace.REGISTER);
|
||
register.setTo(Jid.of(account.getServer()));
|
||
sendUnmodifiedIqPacket(register, (account, packet) -> {
|
||
if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
|
||
return;
|
||
}
|
||
if (packet.getType() == IqPacket.TYPE.ERROR) {
|
||
throw new StateChangingError(Account.State.REGISTRATION_FAILED);
|
||
}
|
||
final Element query = packet.query(Namespace.REGISTER);
|
||
if (query.hasChild("username") && (query.hasChild("password"))) {
|
||
final IqPacket register1 = new IqPacket(IqPacket.TYPE.SET);
|
||
final Element username = new Element("username").setContent(account.getUsername());
|
||
final Element password = new Element("password").setContent(account.getPassword());
|
||
register1.query(Namespace.REGISTER).addChild(username);
|
||
register1.query().addChild(password);
|
||
register1.setFrom(account.getJid().asBareJid());
|
||
sendUnmodifiedIqPacket(register1, registrationResponseListener, true);
|
||
} else if (query.hasChild("x", Namespace.DATA)) {
|
||
final Data data = Data.parse(query.findChild("x", Namespace.DATA));
|
||
final Element blob = query.findChild("data", "urn:xmpp:bob");
|
||
final String id = packet.getId();
|
||
InputStream is;
|
||
if (blob != null) {
|
||
try {
|
||
final String base64Blob = blob.getContent();
|
||
final byte[] strBlob = Base64.decode(base64Blob, Base64.DEFAULT);
|
||
is = new ByteArrayInputStream(strBlob);
|
||
} catch (Exception e) {
|
||
is = null;
|
||
}
|
||
} else {
|
||
try {
|
||
Field field = data.getFieldByName("url");
|
||
URL url = field != null && field.getValue() != null ? new URL(field.getValue()) : null;
|
||
is = url != null ? url.openStream() : null;
|
||
} catch (IOException e) {
|
||
is = null;
|
||
}
|
||
}
|
||
|
||
if (is != null) {
|
||
Bitmap captcha = BitmapFactory.decodeStream(is);
|
||
try {
|
||
if (mXmppConnectionService.displayCaptchaRequest(account, id, data, captcha)) {
|
||
return;
|
||
}
|
||
} catch (Exception e) {
|
||
throw new StateChangingError(Account.State.REGISTRATION_FAILED);
|
||
}
|
||
}
|
||
throw new StateChangingError(Account.State.REGISTRATION_FAILED);
|
||
} else if (query.hasChild("instructions") || query.hasChild("x", Namespace.OOB)) {
|
||
final String instructions = query.findChildContent("instructions");
|
||
final Element oob = query.findChild("x", Namespace.OOB);
|
||
final String url = oob == null ? null : oob.findChildContent("url");
|
||
if (url != null) {
|
||
setAccountCreationFailed(url);
|
||
} else if (instructions != null) {
|
||
Matcher matcher = Patterns.AUTOLINK_WEB_URL.matcher(instructions);
|
||
if (matcher.find()) {
|
||
setAccountCreationFailed(instructions.substring(matcher.start(), matcher.end()));
|
||
}
|
||
}
|
||
throw new StateChangingError(Account.State.REGISTRATION_FAILED);
|
||
}
|
||
}, true);
|
||
}
|
||
|
||
private void setAccountCreationFailed(String url) {
|
||
if (url != null) {
|
||
try {
|
||
this.redirectionUrl = new URL(url);
|
||
if (this.redirectionUrl.getProtocol().equals("https")) {
|
||
throw new StateChangingError(Account.State.REGISTRATION_WEB);
|
||
}
|
||
} catch (MalformedURLException e) {
|
||
//fall through
|
||
}
|
||
}
|
||
throw new StateChangingError(Account.State.REGISTRATION_FAILED);
|
||
}
|
||
|
||
public URL getRedirectionUrl() {
|
||
return this.redirectionUrl;
|
||
}
|
||
|
||
public void resetEverything() {
|
||
resetAttemptCount(true);
|
||
resetStreamId();
|
||
clearIqCallbacks();
|
||
this.stanzasSent = 0;
|
||
mStanzaQueue.clear();
|
||
this.redirectionUrl = null;
|
||
synchronized (this.disco) {
|
||
disco.clear();
|
||
}
|
||
}
|
||
|
||
private void sendBindRequest() {
|
||
try {
|
||
mXmppConnectionService.restoredFromDatabaseLatch.await();
|
||
} catch (InterruptedException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": interrupted while waiting for DB restore during bind");
|
||
return;
|
||
}
|
||
clearIqCallbacks();
|
||
if (account.getJid().isBareJid()) {
|
||
account.setResource(this.createNewResource());
|
||
} else {
|
||
fixResource(mXmppConnectionService, account);
|
||
}
|
||
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
|
||
final String resource = Config.USE_RANDOM_RESOURCE_ON_EVERY_BIND ? nextRandomId() : account.getResource();
|
||
iq.addChild("bind", Namespace.BIND).addChild("resource").setContent(resource);
|
||
this.sendUnmodifiedIqPacket(iq, (account, packet) -> {
|
||
if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
|
||
return;
|
||
}
|
||
final Element bind = packet.findChild("bind");
|
||
if (bind != null && packet.getType() == IqPacket.TYPE.RESULT) {
|
||
isBound = true;
|
||
final Element jid = bind.findChild("jid");
|
||
if (jid != null && jid.getContent() != null) {
|
||
try {
|
||
Jid assignedJid = Jid.ofEscaped(jid.getContent());
|
||
if (!account.getJid().getDomain().equals(assignedJid.getDomain())) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server tried to re-assign domain to " + assignedJid.getDomain());
|
||
throw new StateChangingError(Account.State.BIND_FAILURE);
|
||
}
|
||
if (account.setJid(assignedJid)) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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 IllegalArgumentException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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());
|
||
}
|
||
final Element error = packet.findChild("error");
|
||
if (packet.getType() == IqPacket.TYPE.ERROR && error != null && error.hasChild("conflict")) {
|
||
account.setResource(createNewResource());
|
||
}
|
||
throw new StateChangingError(Account.State.BIND_FAILURE);
|
||
}, true);
|
||
}
|
||
|
||
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().asBareJid() + ": 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) {
|
||
try {
|
||
callback.onIqPacketReceived(account, failurePacket);
|
||
} catch (StateChangingError error) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": caught StateChangingError(" + error.state.toString() + ") while clearing callbacks");
|
||
//ignore
|
||
}
|
||
}
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": done clearing iq callbacks. " + this.packetCallbacks.size() + " left");
|
||
}
|
||
|
||
public void sendDiscoTimeout() {
|
||
if (mWaitForDisco.compareAndSet(true, false)) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": finalizing bind after disco timeout");
|
||
finalizeBind();
|
||
}
|
||
}
|
||
|
||
private void sendStartSession() {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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, (account, packet) -> {
|
||
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
||
sendPostBindInitialization();
|
||
} else if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
|
||
throw new StateChangingError(Account.State.SESSION_FAILURE);
|
||
}
|
||
}, 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().asBareJid() + ": starting service discovery");
|
||
mPendingServiceDiscoveries.set(0);
|
||
if (smVersion == 0 || Patches.DISCO_EXCEPTIONS.contains(account.getJid().getDomain())) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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));
|
||
}
|
||
final boolean requestDiscoItemsFirst = !account.isOptionSet(Account.OPTION_LOGGED_IN_SUCCESSFULLY);
|
||
if (requestDiscoItemsFirst) {
|
||
sendServiceDiscoveryItems(Jid.of(account.getServer()));
|
||
}
|
||
if (discoveryResult == null) {
|
||
sendServiceDiscoveryInfo(Jid.of(account.getServer()));
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server caps came from cache");
|
||
disco.put(Jid.of(account.getServer()), discoveryResult);
|
||
}
|
||
discoverMamPreferences();
|
||
sendServiceDiscoveryInfo(account.getJid().asBareJid());
|
||
if (!requestDiscoItemsFirst) {
|
||
sendServiceDiscoveryItems(Jid.of(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, (account, packet) -> {
|
||
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
||
boolean advancedStreamFeaturesLoaded;
|
||
synchronized (XmppConnection.this.disco) {
|
||
ServiceDiscoveryResult result = new ServiceDiscoveryResult(packet);
|
||
if (jid.equals(Jid.of(account.getServer()))) {
|
||
mXmppConnectionService.databaseBackend.insertDiscoveryResult(result);
|
||
}
|
||
disco.put(jid, result);
|
||
advancedStreamFeaturesLoaded = disco.containsKey(Jid.of(account.getServer()))
|
||
&& disco.containsKey(account.getJid().asBareJid());
|
||
}
|
||
if (advancedStreamFeaturesLoaded && (jid.equals(Jid.of(account.getServer())) || jid.equals(account.getJid().asBareJid()))) {
|
||
enableAdvancedStreamFeatures();
|
||
}
|
||
} else if (packet.getType() == IqPacket.TYPE.ERROR) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not query disco info for " + jid.toString());
|
||
final boolean serverOrAccount = jid.equals(Jid.of(account.getServer())) || jid.equals(account.getJid().asBareJid());
|
||
final boolean advancedStreamFeaturesLoaded;
|
||
if (serverOrAccount) {
|
||
synchronized (XmppConnection.this.disco) {
|
||
disco.put(jid, ServiceDiscoveryResult.empty());
|
||
advancedStreamFeaturesLoaded = disco.containsKey(Jid.of(account.getServer())) && disco.containsKey(account.getJid().asBareJid());
|
||
}
|
||
} else {
|
||
advancedStreamFeaturesLoaded = false;
|
||
}
|
||
if (advancedStreamFeaturesLoaded) {
|
||
enableAdvancedStreamFeatures();
|
||
}
|
||
}
|
||
if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
|
||
if (mPendingServiceDiscoveries.decrementAndGet() == 0
|
||
&& mWaitForDisco.compareAndSet(true, false)) {
|
||
finalizeBind();
|
||
}
|
||
}
|
||
});
|
||
}
|
||
|
||
private void discoverMamPreferences() {
|
||
IqPacket request = new IqPacket(IqPacket.TYPE.GET);
|
||
request.addChild("prefs", MessageArchiveService.Version.MAM_2.namespace);
|
||
sendIqPacket(request, (account, response) -> {
|
||
if (response.getType() == IqPacket.TYPE.RESULT) {
|
||
Element prefs = response.findChild("prefs", MessageArchiveService.Version.MAM_2.namespace);
|
||
isMamPreferenceAlways = "always".equals(prefs == null ? null : prefs.getAttribute("default"));
|
||
}
|
||
});
|
||
}
|
||
|
||
public boolean isMamPreferenceAlways() {
|
||
return isMamPreferenceAlways;
|
||
}
|
||
|
||
private void finalizeBind() {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": online with resource " + account.getResource());
|
||
if (bindListener != null) {
|
||
bindListener.onBind(account);
|
||
}
|
||
changeStatus(Account.State.ONLINE);
|
||
}
|
||
|
||
private void enableAdvancedStreamFeatures() {
|
||
if (getFeatures().blocking() && !features.blockListRequested) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": Requesting block list");
|
||
this.sendIqPacket(getIqGenerator().generateGetBlockList(), mXmppConnectionService.getIqParser());
|
||
}
|
||
for (final OnAdvancedStreamFeaturesLoaded listener : advancedStreamFeaturesLoadedListeners) {
|
||
listener.onAdvancedStreamFeaturesAvailable(account);
|
||
}
|
||
if (getFeatures().carbons() && !features.carbonsEnabled) {
|
||
sendEnableCarbons();
|
||
}
|
||
}
|
||
|
||
private void sendServiceDiscoveryItems(final Jid server) {
|
||
mPendingServiceDiscoveries.incrementAndGet();
|
||
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
|
||
iq.setTo(Jid.ofDomain(server.getDomain()));
|
||
iq.query("http://jabber.org/protocol/disco#items");
|
||
this.sendIqPacket(iq, (account, packet) -> {
|
||
if (packet.getType() == IqPacket.TYPE.RESULT) {
|
||
HashSet<Jid> items = new HashSet<Jid>();
|
||
final List<Element> elements = packet.query().getChildren();
|
||
for (final Element element : elements) {
|
||
if (element.getName().equals("item")) {
|
||
final Jid jid = InvalidJid.getNullForInvalid(element.getAttributeAsJid("jid"));
|
||
if (jid != null && !jid.equals(Jid.of(account.getServer()))) {
|
||
items.add(jid);
|
||
}
|
||
}
|
||
}
|
||
for (Jid jid : items) {
|
||
sendServiceDiscoveryInfo(jid);
|
||
}
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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().asBareJid()
|
||
+ ": successfully enabled carbons");
|
||
features.carbonsEnabled = true;
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid()
|
||
+ ": 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")) {
|
||
account.setResource(createNewResource());
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": switching resource due to conflict (" + account.getResource() + ")");
|
||
throw new IOException();
|
||
} else if (streamError.hasChild("host-unknown")) {
|
||
throw new StateChangingException(Account.State.HOST_UNKNOWN);
|
||
} else if (streamError.hasChild("policy-violation")) {
|
||
this.lastConnect = SystemClock.elapsedRealtime();
|
||
final String text = streamError.findChildContent("text");
|
||
Log.d(Config.LOGTAG,account.getJid().asBareJid()+": policy violation. "+text);
|
||
throw new StateChangingException(Account.State.POLICY_VIOLATION);
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": stream error " + streamError.toString());
|
||
throw new StateChangingException(Account.State.STREAM_ERROR);
|
||
}
|
||
}
|
||
|
||
private void sendStartStream() throws IOException {
|
||
final Tag stream = Tag.start("stream:stream");
|
||
stream.setAttribute("to", account.getServer());
|
||
stream.setAttribute("version", "1.0");
|
||
stream.setAttribute("xml:lang", LocalizedContent.STREAM_LANGUAGE);
|
||
stream.setAttribute("xmlns", "jabber:client");
|
||
stream.setAttribute("xmlns:stream", "http://etherx.jabber.org/streams");
|
||
tagWriter.writeTag(stream);
|
||
}
|
||
|
||
private String createNewResource() {
|
||
return mXmppConnectionService.getString(R.string.app_name) + '.' + nextRandomId(true);
|
||
}
|
||
|
||
private String nextRandomId() {
|
||
return nextRandomId(false);
|
||
}
|
||
|
||
private String nextRandomId(boolean s) {
|
||
return CryptoHelper.random(s ? 3 : 9, mXmppConnectionService.getRNG());
|
||
}
|
||
|
||
public String sendIqPacket(final IqPacket packet, final OnIqPacketReceived callback) {
|
||
packet.setFrom(account.getJid());
|
||
return this.sendUnmodifiedIqPacket(packet, callback, false);
|
||
}
|
||
|
||
public synchronized String sendUnmodifiedIqPacket(final IqPacket packet, final OnIqPacketReceived callback, boolean force) {
|
||
if (packet.getId() == null) {
|
||
packet.setAttribute("id", nextRandomId());
|
||
}
|
||
if (callback != null) {
|
||
synchronized (this.packetCallbacks) {
|
||
packetCallbacks.put(packet.getId(), new Pair<>(packet, callback));
|
||
}
|
||
}
|
||
this.sendPacket(packet, force);
|
||
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) {
|
||
sendPacket(packet, false);
|
||
}
|
||
|
||
private synchronized void sendPacket(final AbstractStanza packet, final boolean force) {
|
||
if (stanzasSent == Integer.MAX_VALUE) {
|
||
resetStreamId();
|
||
disconnect(true);
|
||
return;
|
||
}
|
||
synchronized (this.mStanzaQueue) {
|
||
if (force || isBound) {
|
||
tagWriter.writeStanzaAsync(packet);
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + " do not write stanza to unbound stream " + packet.toString());
|
||
}
|
||
if (packet instanceof AbstractAcknowledgeableStanza) {
|
||
AbstractAcknowledgeableStanza stanza = (AbstractAcknowledgeableStanza) packet;
|
||
|
||
if (this.mStanzaQueue.size() != 0) {
|
||
int currentHighestKey = this.mStanzaQueue.keyAt(this.mStanzaQueue.size() - 1);
|
||
if (currentHighestKey != stanzasSent) {
|
||
throw new AssertionError("Stanza count messed up");
|
||
}
|
||
}
|
||
|
||
++stanzasSent;
|
||
this.mStanzaQueue.append(stanzasSent, stanza);
|
||
if (stanza instanceof MessagePacket && stanza.getId() != null && inSmacksSession) {
|
||
if (Config.EXTENDED_SM_LOGGING) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": 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", Namespace.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) {
|
||
this.advancedStreamFeaturesLoadedListeners.add(listener);
|
||
}
|
||
|
||
private void forceCloseSocket() {
|
||
FileBackend.close(this.socket);
|
||
FileBackend.close(this.tagReader);
|
||
}
|
||
|
||
public void interrupt() {
|
||
if (this.mThread != null) {
|
||
this.mThread.interrupt();
|
||
}
|
||
}
|
||
|
||
public void disconnect(final boolean force) {
|
||
interrupt();
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": disconnecting force=" + force);
|
||
if (force) {
|
||
forceCloseSocket();
|
||
} else {
|
||
final TagWriter currentTagWriter = this.tagWriter;
|
||
if (currentTagWriter.isActive()) {
|
||
currentTagWriter.finish();
|
||
final Socket currentSocket = this.socket;
|
||
final CountDownLatch streamCountDownLatch = this.mStreamCountDownLatch;
|
||
try {
|
||
currentTagWriter.await(1, TimeUnit.SECONDS);
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": closing stream");
|
||
currentTagWriter.writeTag(Tag.end("stream:stream"));
|
||
if (streamCountDownLatch != null) {
|
||
if (streamCountDownLatch.await(1, TimeUnit.SECONDS)) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": remote ended stream");
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": remote has not closed socket. force closing");
|
||
}
|
||
}
|
||
} catch (InterruptedException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": interrupted while gracefully closing stream");
|
||
} catch (final IOException e) {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": io exception during disconnect (" + e.getMessage() + ")");
|
||
} finally {
|
||
FileBackend.close(currentSocket);
|
||
}
|
||
} else {
|
||
forceCloseSocket();
|
||
}
|
||
}
|
||
}
|
||
|
||
private 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 List<String> getMucServersWithholdAccount() {
|
||
List<String> servers = getMucServers();
|
||
servers.remove(account.getServer());
|
||
return servers;
|
||
}
|
||
|
||
public List<String> getMucServers() {
|
||
List<String> servers = new ArrayList<>();
|
||
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.hasIdentity("conference", "text")
|
||
&& !value.getFeatures().contains("jabber:iq:gateway")
|
||
&& !value.hasIdentity("conference", "irc")) {
|
||
servers.add(cursor.getKey().toString());
|
||
}
|
||
}
|
||
}
|
||
return servers;
|
||
}
|
||
|
||
public String getMucServer() {
|
||
List<String> servers = getMucServers();
|
||
return servers.size() > 0 ? servers.get(0) : null;
|
||
}
|
||
|
||
public int getTimeToNextAttempt() {
|
||
final int additionalTime = account.getLastErrorStatus() == Account.State.POLICY_VIOLATION ? 3 : 0;
|
||
final int interval = Math.min((int) (25 * Math.pow(1.3, (additionalTime + 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(Jid.ofDomain(account.getJid().getDomain()));
|
||
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 IqGenerator getIqGenerator() {
|
||
return mXmppConnectionService.getIqGenerator();
|
||
}
|
||
|
||
public enum Identity {
|
||
FACEBOOK,
|
||
SLACK,
|
||
EJABBERD,
|
||
PROSODY,
|
||
NIMBUZZ,
|
||
UNKNOWN
|
||
}
|
||
|
||
private static class TlsFactoryVerifier {
|
||
private final SSLSocketFactory factory;
|
||
private final DomainHostnameVerifier verifier;
|
||
|
||
TlsFactoryVerifier(final SSLSocketFactory factory, final DomainHostnameVerifier verifier) throws IOException {
|
||
this.factory = factory;
|
||
this.verifier = verifier;
|
||
if (factory == null || verifier == null) {
|
||
throw new IOException("could not setup ssl");
|
||
}
|
||
}
|
||
}
|
||
|
||
private class MyKeyManager implements X509KeyManager {
|
||
@Override
|
||
public String chooseClientAlias(String[] strings, Principal[] principals, Socket socket) {
|
||
return account.getPrivateKeyAlias();
|
||
}
|
||
|
||
@Override
|
||
public String chooseServerAlias(String s, Principal[] principals, Socket socket) {
|
||
return null;
|
||
}
|
||
|
||
@Override
|
||
public X509Certificate[] getCertificateChain(String alias) {
|
||
Log.d(Config.LOGTAG, "getting certificate chain");
|
||
try {
|
||
return KeyChain.getCertificateChain(mXmppConnectionService, alias);
|
||
} catch (Exception e) {
|
||
Log.d(Config.LOGTAG, e.getMessage());
|
||
return new X509Certificate[0];
|
||
}
|
||
}
|
||
|
||
@Override
|
||
public String[] getClientAliases(String s, Principal[] principals) {
|
||
final String alias = account.getPrivateKeyAlias();
|
||
return alias != null ? new String[]{alias} : new String[0];
|
||
}
|
||
|
||
@Override
|
||
public String[] getServerAliases(String s, Principal[] principals) {
|
||
return new String[0];
|
||
}
|
||
|
||
@Override
|
||
public PrivateKey getPrivateKey(String alias) {
|
||
try {
|
||
return KeyChain.getPrivateKey(mXmppConnectionService, alias);
|
||
} catch (Exception e) {
|
||
return null;
|
||
}
|
||
}
|
||
}
|
||
|
||
private class StateChangingError extends Error {
|
||
private final Account.State state;
|
||
|
||
public StateChangingError(Account.State state) {
|
||
this.state = state;
|
||
}
|
||
}
|
||
|
||
private class StateChangingException extends IOException {
|
||
private final Account.State state;
|
||
|
||
public StateChangingException(Account.State state) {
|
||
this.state = state;
|
||
}
|
||
}
|
||
|
||
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(Jid.of(account.getServer()), "urn:xmpp:carbons:2");
|
||
}
|
||
|
||
public boolean bookmarksConversion() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), Namespace.BOOKMARKS_CONVERSION) && pepPublishOptions();
|
||
}
|
||
|
||
public boolean avatarConversion() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), Namespace.AVATAR_CONVERSION) && pepPublishOptions();
|
||
}
|
||
|
||
public boolean blocking() {
|
||
return hasDiscoFeature(Jid.of(account.getServer()), Namespace.BLOCKING);
|
||
}
|
||
|
||
public boolean spamReporting() {
|
||
return hasDiscoFeature(Jid.of(account.getServer()), "urn:xmpp:reporting:reason:spam:0");
|
||
}
|
||
|
||
public boolean flexibleOfflineMessageRetrieval() {
|
||
return hasDiscoFeature(Jid.of(account.getServer()), Namespace.FLEXIBLE_OFFLINE_MESSAGE_RETRIEVAL);
|
||
}
|
||
|
||
public boolean register() {
|
||
return hasDiscoFeature(Jid.of(account.getServer()), Namespace.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().asBareJid());
|
||
return info != null && info.hasIdentity("pubsub", "pep");
|
||
}
|
||
}
|
||
|
||
public boolean pepPersistent() {
|
||
synchronized (XmppConnection.this.disco) {
|
||
ServiceDiscoveryResult info = disco.get(account.getJid().asBareJid());
|
||
return info != null && info.getFeatures().contains("http://jabber.org/protocol/pubsub#persistent-items");
|
||
}
|
||
}
|
||
|
||
public boolean pepPublishOptions() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), Namespace.PUBSUB_PUBLISH_OPTIONS);
|
||
}
|
||
|
||
public boolean pepOmemoWhitelisted() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), AxolotlService.PEP_OMEMO_WHITELISTED);
|
||
}
|
||
|
||
public boolean mam() {
|
||
return MessageArchiveService.Version.has(getAccountFeatures());
|
||
}
|
||
|
||
public List<String> getAccountFeatures() {
|
||
ServiceDiscoveryResult result = connection.disco.get(account.getJid().asBareJid());
|
||
return result == null ? Collections.emptyList() : result.getFeatures();
|
||
}
|
||
|
||
public boolean push() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), Namespace.PUSH)
|
||
|| hasDiscoFeature(Jid.of(account.getServer()), Namespace.PUSH);
|
||
}
|
||
|
||
public boolean rosterVersioning() {
|
||
return connection.streamFeatures != null && connection.streamFeatures.hasChild("ver");
|
||
}
|
||
|
||
public void setBlockListRequested(boolean value) {
|
||
this.blockListRequested = value;
|
||
}
|
||
|
||
public boolean p1S3FileTransfer() {
|
||
return hasDiscoFeature(Jid.of(account.getServer()), Namespace.P1_S3_FILE_TRANSFER);
|
||
}
|
||
|
||
public boolean httpUpload(long filesize) {
|
||
if (Config.DISABLE_HTTP_UPLOAD) {
|
||
return false;
|
||
} else {
|
||
for (String namespace : new String[]{Namespace.HTTP_UPLOAD, Namespace.HTTP_UPLOAD_LEGACY}) {
|
||
List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(namespace);
|
||
if (items.size() > 0) {
|
||
try {
|
||
long maxsize = Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(namespace, "max-file-size"));
|
||
if (filesize <= maxsize) {
|
||
return true;
|
||
} else {
|
||
Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": http upload is not available for files with size " + filesize + " (max is " + maxsize + ")");
|
||
return false;
|
||
}
|
||
} catch (Exception e) {
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
}
|
||
|
||
public boolean useLegacyHttpUpload() {
|
||
return findDiscoItemByFeature(Namespace.HTTP_UPLOAD) == null && findDiscoItemByFeature(Namespace.HTTP_UPLOAD_LEGACY) != null;
|
||
}
|
||
|
||
public long getMaxHttpUploadSize() {
|
||
for (String namespace : new String[]{Namespace.HTTP_UPLOAD, Namespace.HTTP_UPLOAD_LEGACY}) {
|
||
List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(namespace);
|
||
if (items.size() > 0) {
|
||
try {
|
||
return Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(namespace, "max-file-size"));
|
||
} catch (Exception e) {
|
||
//ignored
|
||
}
|
||
}
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
public boolean stanzaIds() {
|
||
return hasDiscoFeature(account.getJid().asBareJid(), Namespace.STANZA_IDS);
|
||
}
|
||
|
||
public boolean bookmarks2() {
|
||
return Config.USE_BOOKMARKS2 /* || hasDiscoFeature(account.getJid().asBareJid(), Namespace.BOOKMARKS2_COMPAT)*/;
|
||
}
|
||
}
|
||
}
|