diff options
Diffstat (limited to 'src/main/java/de/pixart/messenger/xmpp/XmppConnection.java')
| -rw-r--r-- | src/main/java/de/pixart/messenger/xmpp/XmppConnection.java | 3142 |
1 files changed, 1571 insertions, 1571 deletions
diff --git a/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java b/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java index 2642ee84a..bcb5904a7 100644 --- a/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java +++ b/src/main/java/de/pixart/messenger/xmpp/XmppConnection.java @@ -94,784 +94,783 @@ import de.pixart.messenger.xmpp.stanzas.streammgmt.ResumePacket; public class XmppConnection implements Runnable { - private static final int PACKET_IQ = 0; - private static final int PACKET_MESSAGE = 1; - private static final int PACKET_PRESENCE = 2; - protected Account account; - private final WakeLock wakeLock; - private Socket socket; - private XmlReader tagReader; - private TagWriter tagWriter; - private final Features features = new Features(this); - private boolean needsBinding = true; - private boolean shouldAuthenticate = true; - private Element streamFeatures; - private final HashMap<Jid, ServiceDiscoveryResult> disco = new HashMap<>(); - - private String streamId = null; - private int smVersion = 3; - private final SparseArray<AbstractAcknowledgeableStanza> mStanzaQueue = new SparseArray<>(); - - private int stanzasReceived = 0; - private int stanzasSent = 0; - private long lastPacketReceived = 0; - private long lastPingSent = 0; - private long lastConnect = 0; - private long lastSessionStarted = 0; - private long lastDiscoStarted = 0; - private AtomicInteger mPendingServiceDiscoveries = new AtomicInteger(0); - private AtomicBoolean mWaitForDisco = new AtomicBoolean(true); - private boolean mInteractive = false; - private int attempt = 0; + private static final int PACKET_IQ = 0; + private static final int PACKET_MESSAGE = 1; + private static final int PACKET_PRESENCE = 2; + protected Account account; + private final WakeLock wakeLock; + private Socket socket; + private XmlReader tagReader; + private TagWriter tagWriter; + private final Features features = new Features(this); + private boolean needsBinding = true; + private boolean shouldAuthenticate = true; + private Element streamFeatures; + private final HashMap<Jid, ServiceDiscoveryResult> disco = new HashMap<>(); + + private String streamId = null; + private int smVersion = 3; + private final SparseArray<AbstractAcknowledgeableStanza> mStanzaQueue = new SparseArray<>(); + + private int stanzasReceived = 0; + private int stanzasSent = 0; + private long lastPacketReceived = 0; + private long lastPingSent = 0; + private long lastConnect = 0; + private long lastSessionStarted = 0; + private long lastDiscoStarted = 0; + private AtomicInteger mPendingServiceDiscoveries = new AtomicInteger(0); + private AtomicBoolean mWaitForDisco = new AtomicBoolean(true); + private boolean mInteractive = false; + private int attempt = 0; public static String errorMessage = null; - private final Hashtable<String, Pair<IqPacket, OnIqPacketReceived>> packetCallbacks = new Hashtable<>(); - private OnPresencePacketReceived presenceListener = null; - private OnJinglePacketReceived jingleListener = null; - private OnIqPacketReceived unregisteredIqListener = null; - private OnMessagePacketReceived messageListener = null; - private OnStatusChanged statusListener = null; - private OnBindListener bindListener = null; - private final ArrayList<OnAdvancedStreamFeaturesLoaded> advancedStreamFeaturesLoadedListeners = new ArrayList<>(); - private OnMessageAcknowledged acknowledgedListener = null; - private XmppConnectionService mXmppConnectionService = null; + private final Hashtable<String, Pair<IqPacket, OnIqPacketReceived>> packetCallbacks = new Hashtable<>(); + private OnPresencePacketReceived presenceListener = null; + private OnJinglePacketReceived jingleListener = null; + private OnIqPacketReceived unregisteredIqListener = null; + private OnMessagePacketReceived messageListener = null; + private OnStatusChanged statusListener = null; + private OnBindListener bindListener = null; + private final ArrayList<OnAdvancedStreamFeaturesLoaded> advancedStreamFeaturesLoadedListeners = new ArrayList<>(); + private OnMessageAcknowledged acknowledgedListener = null; + private XmppConnectionService mXmppConnectionService = null; private EditAccountActivity mEditAccountActivity = null; - private SaslMechanism saslMechanism; + private SaslMechanism saslMechanism; 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) { - return 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 Identity mServerIdentity = Identity.UNKNOWN; - - public final OnIqPacketReceived registrationResponseListener = new OnIqPacketReceived() { - @Override - public void onIqPacketReceived(Account account, IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.RESULT) { - account.setOption(Account.OPTION_REGISTER, false); - forceCloseSocket(); - changeStatus(Account.State.REGISTRATION_SUCCESSFUL); - } else { - final List<String> PASSWORD_TOO_WEAK_MSGS = Arrays.asList( - "The password is too weak", - "Please use a longer password."); - final Element error = packet.findChild("error"); - Account.State state = Account.State.REGISTRATION_FAILED; + @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) { + return 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 Identity mServerIdentity = Identity.UNKNOWN; + + public final OnIqPacketReceived registrationResponseListener = new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.RESULT) { + account.setOption(Account.OPTION_REGISTER, false); + forceCloseSocket(); + changeStatus(Account.State.REGISTRATION_SUCCESSFUL); + } else { + final List<String> PASSWORD_TOO_WEAK_MSGS = Arrays.asList( + "The password is too weak", + "Please use a longer password."); + final Element error = packet.findChild("error"); + Account.State state = Account.State.REGISTRATION_FAILED; mXmppConnectionService.deleteAccount(account); - if (error != null) { + if (error != null) { if (error.hasChild("text")) { errorMessage = error.findChildContent("text"); Log.d(Config.LOGTAG, "Error creating account : " + error.findChildContent("text")); } - if (error.hasChild("conflict")) { - state = Account.State.REGISTRATION_CONFLICT; - } else if (error.hasChild("resource-constraint") - && "wait".equals(error.getAttribute("type"))) { - state = Account.State.REGISTRATION_PLEASE_WAIT; - } else if (error.hasChild("not-acceptable") - && PASSWORD_TOO_WEAK_MSGS.contains(error.findChildContent("text"))) { - state = Account.State.REGISTRATION_PASSWORD_TOO_WEAK; - } - } + if (error.hasChild("conflict")) { + state = Account.State.REGISTRATION_CONFLICT; + } else if (error.hasChild("resource-constraint") + && "wait".equals(error.getAttribute("type"))) { + state = Account.State.REGISTRATION_PLEASE_WAIT; + } else if (error.hasChild("not-acceptable") + && PASSWORD_TOO_WEAK_MSGS.contains(error.findChildContent("text"))) { + state = Account.State.REGISTRATION_PASSWORD_TOO_WEAK; + } + } Log.d(Config.LOGTAG, "Delete account because of error " + error); - changeStatus(state); - forceCloseSocket(); - } - } - }; - - public XmppConnection(final Account account, final XmppConnectionService service) { - this.account = account; - this.wakeLock = service.getPowerManager().newWakeLock( - PowerManager.PARTIAL_WAKE_LOCK, account.getJid().toBareJid().toString()); - tagWriter = new TagWriter(); - mXmppConnectionService = service; - } - - protected void changeStatus(final Account.State nextStatus) { - if (account.getStatus() != nextStatus) { - if ((nextStatus == Account.State.OFFLINE) - && (account.getStatus() != Account.State.CONNECTING) - && (account.getStatus() != Account.State.ONLINE) - && (account.getStatus() != Account.State.DISABLED)) { - return; - } - if (nextStatus == Account.State.ONLINE) { - this.attempt = 0; - } - account.setStatus(nextStatus); - if (statusListener != null) { - statusListener.onStatusChanged(account); - } - } - } - - public void prepareNewConnection() { - this.lastConnect = SystemClock.elapsedRealtime(); - this.lastPingSent = SystemClock.elapsedRealtime(); - this.lastDiscoStarted = Long.MAX_VALUE; - this.changeStatus(Account.State.CONNECTING); - } - - protected void connect() { + changeStatus(state); + forceCloseSocket(); + } + } + }; + + public XmppConnection(final Account account, final XmppConnectionService service) { + this.account = account; + this.wakeLock = service.getPowerManager().newWakeLock( + PowerManager.PARTIAL_WAKE_LOCK, account.getJid().toBareJid().toString()); + tagWriter = new TagWriter(); + mXmppConnectionService = service; + } + + protected void changeStatus(final Account.State nextStatus) { + if (account.getStatus() != nextStatus) { + if ((nextStatus == Account.State.OFFLINE) + && (account.getStatus() != Account.State.CONNECTING) + && (account.getStatus() != Account.State.ONLINE) + && (account.getStatus() != Account.State.DISABLED)) { + return; + } + if (nextStatus == Account.State.ONLINE) { + this.attempt = 0; + } + account.setStatus(nextStatus); + if (statusListener != null) { + statusListener.onStatusChanged(account); + } + } + } + + public void prepareNewConnection() { + this.lastConnect = SystemClock.elapsedRealtime(); + this.lastPingSent = SystemClock.elapsedRealtime(); + this.lastDiscoStarted = Long.MAX_VALUE; + this.changeStatus(Account.State.CONNECTING); + } + + protected void connect() { if (mXmppConnectionService.areMessagesInitialized()) { mXmppConnectionService.resetSendingToWaiting(account); } - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": connecting"); - features.encryptionEnabled = false; - this.attempt++; - switch (account.getJid().getDomainpart()) { - case "chat.facebook.com": - mServerIdentity = Identity.FACEBOOK; - break; - case "nimbuzz.com": - mServerIdentity = Identity.NIMBUZZ; - break; - default: - mServerIdentity = Identity.UNKNOWN; - break; - } - try { - shouldAuthenticate = needsBinding = !account.isOptionSet(Account.OPTION_REGISTER); - tagReader = new XmlReader(wakeLock); - tagWriter = new TagWriter(); - this.changeStatus(Account.State.CONNECTING); - final boolean useTor = mXmppConnectionService.useTorToConnect() || account.isOnion(); - final boolean extended = mXmppConnectionService.showExtendedConnectionOptions(); - if (Config.XMPP_IP != null && Config.XMPP_Ports != null) { - Integer[] XMPP_Port = Config.XMPP_Ports; - Integer Port = XMPP_Port[new Random().nextInt(XMPP_Port.length)]; - socket = new Socket(); - try { - socket.connect(new InetSocketAddress(Config.XMPP_IP, Port), Config.SOCKET_TIMEOUT * 1000); - } catch (IOException e) { - throw new IOException(); - } + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": connecting"); + features.encryptionEnabled = false; + this.attempt++; + switch (account.getJid().getDomainpart()) { + case "chat.facebook.com": + mServerIdentity = Identity.FACEBOOK; + break; + case "nimbuzz.com": + mServerIdentity = Identity.NIMBUZZ; + break; + default: + mServerIdentity = Identity.UNKNOWN; + break; + } + try { + shouldAuthenticate = needsBinding = !account.isOptionSet(Account.OPTION_REGISTER); + tagReader = new XmlReader(wakeLock); + tagWriter = new TagWriter(); + this.changeStatus(Account.State.CONNECTING); + final boolean useTor = mXmppConnectionService.useTorToConnect() || account.isOnion(); + final boolean extended = mXmppConnectionService.showExtendedConnectionOptions(); + if (Config.XMPP_IP != null && Config.XMPP_Ports != null) { + Integer[] XMPP_Port = Config.XMPP_Ports; + Integer Port = XMPP_Port[new Random().nextInt(XMPP_Port.length)]; + socket = new Socket(); + try { + socket.connect(new InetSocketAddress(Config.XMPP_IP, Port), Config.SOCKET_TIMEOUT * 1000); + } catch (IOException e) { + throw new IOException(); + } Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": connect to " + Config.XMPP_IP + ":" + Port); - startXmpp(); - } - else if (useTor) { - String destination; - if (account.getHostname() == null || account.getHostname().isEmpty()) { - destination = account.getServer().toString(); - } else { - destination = account.getHostname(); - } - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": connect to " + destination + " via Tor"); - socket = SocksSocketFactory.createSocketOverTor(destination, account.getPort()); - startXmpp(); - } else if (extended && account.getHostname() != null && !account.getHostname().isEmpty()) { - - InetSocketAddress address = new InetSocketAddress(account.getHostname(), account.getPort()); - - features.encryptionEnabled = account.getPort() == 5223; - - try { - if (features.encryptionEnabled) { - try { - final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); - socket = tlsFactoryVerifier.factory.createSocket(); - socket.connect(address, Config.SOCKET_TIMEOUT * 1000); - final SSLSession session = ((SSLSocket) socket).getSession(); - if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), session)) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); - throw new SecurityException(); - } - } catch (KeyManagementException e) { - features.encryptionEnabled = false; - socket = new Socket(); - } - } else { - socket = new Socket(); - socket.connect(address, Config.SOCKET_TIMEOUT * 1000); - } - } catch (IOException e) { - throw new UnknownHostException(); - } - startXmpp(); - } else if (DNSHelper.isIp(account.getServer().toString())) { - socket = new Socket(); - try { - socket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000); - } catch (IOException e) { - throw new UnknownHostException(); - } - startXmpp(); - } else { - final Bundle result = DNSHelper.getSRVRecord(account.getServer(), mXmppConnectionService); - final ArrayList<Parcelable> values = result.getParcelableArrayList("values"); - for (Iterator<Parcelable> iterator = values.iterator(); iterator.hasNext(); ) { - if (Thread.currentThread().isInterrupted()) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Thread was interrupted"); - return; - } - final Bundle namePort = (Bundle) iterator.next(); - try { - String srvRecordServer; - try { - srvRecordServer = IDN.toASCII(namePort.getString("name")); - } catch (final IllegalArgumentException e) { - // TODO: Handle me?` - srvRecordServer = ""; - } - final int srvRecordPort = namePort.getInt("port"); - final String srvIpServer = namePort.getString("ip"); - // if tls is true, encryption is implied and must not be started - features.encryptionEnabled = namePort.getBoolean("tls"); - final InetSocketAddress addr; - if (srvIpServer != null) { - addr = new InetSocketAddress(srvIpServer, srvRecordPort); - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() - + ": using values from dns " + srvRecordServer - + "[" + srvIpServer + "]:" + srvRecordPort + " tls: " + features.encryptionEnabled); - } else { - addr = new InetSocketAddress(srvRecordServer, srvRecordPort); - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() - + ": using values from dns " - + srvRecordServer + ":" + srvRecordPort + " tls: " + features.encryptionEnabled); - } - - if (!features.encryptionEnabled) { - socket = new Socket(); - socket.connect(addr, Config.SOCKET_TIMEOUT * 1000); - } else { - final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); - socket = tlsFactoryVerifier.factory.createSocket(); - - if (socket == null) { - throw new IOException("could not initialize ssl socket"); - } - - SSLSocketHelper.setSecurity((SSLSocket) socket); - SSLSocketHelper.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) socket, account.getServer().getDomainpart()); - SSLSocketHelper.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) socket, "xmpp-client"); - - socket.connect(addr, Config.SOCKET_TIMEOUT * 1000); - - if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), ((SSLSocket) socket).getSession())) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); - throw new SecurityException(); - } - } - - if (startXmpp()) - break; // successfully connected to server that speaks xmpp - } catch (final SecurityException e) { - throw e; - } catch (final Throwable e) { - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage() + "(" + e.getClass().getName() + ")"); - if (!iterator.hasNext()) { - throw new UnknownHostException(); - } - } - } - } - processStream(); - } catch (final java.lang.SecurityException e) { - this.changeStatus(Account.State.MISSING_INTERNET_PERMISSION); - } catch (final IncompatibleServerException e) { - this.changeStatus(Account.State.INCOMPATIBLE_SERVER); - } catch (final SecurityException e) { - this.changeStatus(Account.State.SECURITY_ERROR); - } catch (final UnauthorizedException e) { - this.changeStatus(Account.State.UNAUTHORIZED); - } catch (final PaymentRequiredException e) { - this.changeStatus(Account.State.PAYMENT_REQUIRED); - } catch (final UnknownHostException | ConnectException e) { - this.changeStatus(Account.State.SERVER_NOT_FOUND); - } catch (final SocksSocketFactory.SocksProxyNotFoundException e) { - this.changeStatus(Account.State.TOR_NOT_AVAILABLE); - } catch(final StreamErrorHostUnknown e) { - this.changeStatus(Account.State.HOST_UNKNOWN); - } catch(final StreamErrorPolicyViolation e) { - this.changeStatus(Account.State.POLICY_VIOLATION); - } catch(final StreamError e) { - this.changeStatus(Account.State.STREAM_ERROR); - } catch (final IOException | XmlPullParserException | NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage()); - this.changeStatus(Account.State.OFFLINE); - this.attempt = Math.max(0, this.attempt - 1); - } finally { - forceCloseSocket(); - if (wakeLock.isHeld()) { - try { - wakeLock.release(); - } catch (final RuntimeException ignored) { - } - } - } - } - - /** - * Starts xmpp protocol, call after connecting to socket - * @return true if server returns with valid xmpp, false otherwise - * @throws IOException Unknown tag on connect - * @throws XmlPullParserException Bad Xml - * @throws NoSuchAlgorithmException Other error + startXmpp(); + } else if (useTor) { + String destination; + if (account.getHostname() == null || account.getHostname().isEmpty()) { + destination = account.getServer().toString(); + } else { + destination = account.getHostname(); + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": connect to " + destination + " via Tor"); + socket = SocksSocketFactory.createSocketOverTor(destination, account.getPort()); + startXmpp(); + } else if (extended && account.getHostname() != null && !account.getHostname().isEmpty()) { + + InetSocketAddress address = new InetSocketAddress(account.getHostname(), account.getPort()); + + features.encryptionEnabled = account.getPort() == 5223; + + try { + if (features.encryptionEnabled) { + try { + final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); + socket = tlsFactoryVerifier.factory.createSocket(); + socket.connect(address, Config.SOCKET_TIMEOUT * 1000); + final SSLSession session = ((SSLSocket) socket).getSession(); + if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), session)) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); + throw new SecurityException(); + } + } catch (KeyManagementException e) { + features.encryptionEnabled = false; + socket = new Socket(); + } + } else { + socket = new Socket(); + socket.connect(address, Config.SOCKET_TIMEOUT * 1000); + } + } catch (IOException e) { + throw new UnknownHostException(); + } + startXmpp(); + } else if (DNSHelper.isIp(account.getServer().toString())) { + socket = new Socket(); + try { + socket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000); + } catch (IOException e) { + throw new UnknownHostException(); + } + startXmpp(); + } else { + final Bundle result = DNSHelper.getSRVRecord(account.getServer(), mXmppConnectionService); + final ArrayList<Parcelable> values = result.getParcelableArrayList("values"); + for (Iterator<Parcelable> iterator = values.iterator(); iterator.hasNext(); ) { + if (Thread.currentThread().isInterrupted()) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Thread was interrupted"); + return; + } + final Bundle namePort = (Bundle) iterator.next(); + try { + String srvRecordServer; + try { + srvRecordServer = IDN.toASCII(namePort.getString("name")); + } catch (final IllegalArgumentException e) { + // TODO: Handle me?` + srvRecordServer = ""; + } + final int srvRecordPort = namePort.getInt("port"); + final String srvIpServer = namePort.getString("ip"); + // if tls is true, encryption is implied and must not be started + features.encryptionEnabled = namePort.getBoolean("tls"); + final InetSocketAddress addr; + if (srvIpServer != null) { + addr = new InetSocketAddress(srvIpServer, srvRecordPort); + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + + ": using values from dns " + srvRecordServer + + "[" + srvIpServer + "]:" + srvRecordPort + " tls: " + features.encryptionEnabled); + } else { + addr = new InetSocketAddress(srvRecordServer, srvRecordPort); + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + + ": using values from dns " + + srvRecordServer + ":" + srvRecordPort + " tls: " + features.encryptionEnabled); + } + + if (!features.encryptionEnabled) { + socket = new Socket(); + socket.connect(addr, Config.SOCKET_TIMEOUT * 1000); + } else { + final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); + socket = tlsFactoryVerifier.factory.createSocket(); + + if (socket == null) { + throw new IOException("could not initialize ssl socket"); + } + + SSLSocketHelper.setSecurity((SSLSocket) socket); + SSLSocketHelper.setSNIHost(tlsFactoryVerifier.factory, (SSLSocket) socket, account.getServer().getDomainpart()); + SSLSocketHelper.setAlpnProtocol(tlsFactoryVerifier.factory, (SSLSocket) socket, "xmpp-client"); + + socket.connect(addr, Config.SOCKET_TIMEOUT * 1000); + + if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), ((SSLSocket) socket).getSession())) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); + throw new SecurityException(); + } + } + + if (startXmpp()) + break; // successfully connected to server that speaks xmpp + } catch (final SecurityException e) { + throw e; + } catch (final Throwable e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage() + "(" + e.getClass().getName() + ")"); + if (!iterator.hasNext()) { + throw new UnknownHostException(); + } + } + } + } + processStream(); + } catch (final java.lang.SecurityException e) { + this.changeStatus(Account.State.MISSING_INTERNET_PERMISSION); + } catch (final IncompatibleServerException e) { + this.changeStatus(Account.State.INCOMPATIBLE_SERVER); + } catch (final SecurityException e) { + this.changeStatus(Account.State.SECURITY_ERROR); + } catch (final UnauthorizedException e) { + this.changeStatus(Account.State.UNAUTHORIZED); + } catch (final PaymentRequiredException e) { + this.changeStatus(Account.State.PAYMENT_REQUIRED); + } catch (final UnknownHostException | ConnectException e) { + this.changeStatus(Account.State.SERVER_NOT_FOUND); + } catch (final SocksSocketFactory.SocksProxyNotFoundException e) { + this.changeStatus(Account.State.TOR_NOT_AVAILABLE); + } catch (final StreamErrorHostUnknown e) { + this.changeStatus(Account.State.HOST_UNKNOWN); + } catch (final StreamErrorPolicyViolation e) { + this.changeStatus(Account.State.POLICY_VIOLATION); + } catch (final StreamError e) { + this.changeStatus(Account.State.STREAM_ERROR); + } catch (final IOException | XmlPullParserException | NoSuchAlgorithmException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage()); + this.changeStatus(Account.State.OFFLINE); + this.attempt = Math.max(0, this.attempt - 1); + } finally { + forceCloseSocket(); + if (wakeLock.isHeld()) { + try { + wakeLock.release(); + } catch (final RuntimeException ignored) { + } + } + } + } + + /** + * Starts xmpp protocol, call after connecting to socket + * + * @return true if server returns with valid xmpp, false otherwise + * @throws IOException Unknown tag on connect + * @throws XmlPullParserException Bad Xml + * @throws NoSuchAlgorithmException Other error */ - private boolean startXmpp() throws IOException, XmlPullParserException, NoSuchAlgorithmException { - tagWriter.setOutputStream(socket.getOutputStream()); - tagReader.setInputStream(socket.getInputStream()); - tagWriter.beginDocument(); - sendStartStream(); - Tag nextTag; - while ((nextTag = tagReader.readTag()) != null) { - if (nextTag.isStart("stream")) { - return true; - } else { - throw new IOException("unknown tag on connect"); - } - } - if (socket.isConnected()) { - socket.close(); - } - return false; - } - - private static class TlsFactoryVerifier { - private final SSLSocketFactory factory; - private final HostnameVerifier verifier; - - public TlsFactoryVerifier(final SSLSocketFactory factory, final HostnameVerifier verifier) throws IOException { - this.factory = factory; - this.verifier = verifier; - if (factory == null || verifier == null) { - throw new IOException("could not setup ssl"); - } - } - } - - private TlsFactoryVerifier getTlsFactoryVerifier() throws NoSuchAlgorithmException, KeyManagementException, IOException { - final SSLContext sc = SSLSocketHelper.getSSLContext(); - MemorizingTrustManager trustManager = this.mXmppConnectionService.getMemorizingTrustManager(); - KeyManager[] keyManager; - if (account.getPrivateKeyAlias() != null && account.getPassword().isEmpty()) { - keyManager = new KeyManager[]{new MyKeyManager()}; - } else { - keyManager = null; - } - sc.init(keyManager, new X509TrustManager[]{mInteractive ? trustManager : trustManager.getNonInteractive()}, mXmppConnectionService.getRNG()); - final SSLSocketFactory factory = sc.getSocketFactory(); - final HostnameVerifier verifier; - if (mInteractive) { - verifier = trustManager.wrapHostnameVerifier(new XmppDomainVerifier()); - } else { - verifier = trustManager.wrapHostnameVerifierNonInteractive(new XmppDomainVerifier()); - } - - return new TlsFactoryVerifier(factory, verifier); - } - - @Override - public void run() { - forceCloseSocket(); - connect(); - } - - private void processStream() throws XmlPullParserException, IOException, NoSuchAlgorithmException { - Tag nextTag = tagReader.readTag(); - while (nextTag != null && !nextTag.isEnd("stream")) { - if (nextTag.isStart("error")) { - processStreamError(nextTag); - } else if (nextTag.isStart("features")) { - processStreamFeatures(nextTag); - } else if (nextTag.isStart("proceed")) { - switchOverToTls(nextTag); - } else if (nextTag.isStart("success")) { - final String challenge = tagReader.readElement(nextTag).getContent(); - try { - saslMechanism.getResponse(challenge); - } catch (final SaslMechanism.AuthenticationException e) { - disconnect(true); - Log.e(Config.LOGTAG, String.valueOf(e)); - } - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": logged in"); - account.setKey(Account.PINNED_MECHANISM_KEY, - String.valueOf(saslMechanism.getPriority())); - tagReader.reset(); - sendStartStream(); - final Tag tag = tagReader.readTag(); - if (tag != null && tag.isStart("stream")) { - processStream(); - } else { - throw new IOException("server didn't restart stream after successful auth"); - } - break; - } else if (nextTag.isStart("failure")) { - final Element failure = tagReader.readElement(nextTag); - final String text = failure.findChildContent("text"); - if (failure.hasChild("account-disabled") - && text != null - && text.contains("renew") - && Config.MAGIC_CREATE_DOMAIN != null - && text.contains(Config.MAGIC_CREATE_DOMAIN)) { - throw new PaymentRequiredException(); - } else { - throw new UnauthorizedException(); - } - } else if (nextTag.isStart("challenge")) { - final String challenge = tagReader.readElement(nextTag).getContent(); - final Element response = new Element("response"); - response.setAttribute("xmlns", - "urn:ietf:params:xml:ns:xmpp-sasl"); - try { - response.setContent(saslMechanism.getResponse(challenge)); - } catch (final SaslMechanism.AuthenticationException e) { - // TODO: Send auth abort tag. - Log.e(Config.LOGTAG, e.toString()); - } - tagWriter.writeElement(response); - } else if (nextTag.isStart("enabled")) { - final Element enabled = tagReader.readElement(nextTag); - if ("true".equals(enabled.getAttribute("resume"))) { - this.streamId = enabled.getAttribute("id"); - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() - + ": stream management(" + smVersion - + ") enabled (resumable)"); - } else { - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() - + ": stream management(" + smVersion + ") enabled"); - } - this.stanzasReceived = 0; - final RequestPacket r = new RequestPacket(smVersion); - tagWriter.writeStanzaAsync(r); - } else if (nextTag.isStart("resumed")) { - lastPacketReceived = SystemClock.elapsedRealtime(); - final Element resumed = tagReader.readElement(nextTag); - final String h = resumed.getAttribute("h"); - try { - ArrayList<AbstractAcknowledgeableStanza> failedStanzas = new ArrayList<>(); - synchronized (this.mStanzaQueue) { - final int serverCount = Integer.parseInt(h); - if (serverCount != stanzasSent) { - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() - + ": session resumed with lost packages"); - stanzasSent = serverCount; - } else { - Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": session resumed"); - } - acknowledgeStanzaUpTo(serverCount); - for (int i = 0; i < this.mStanzaQueue.size(); ++i) { - failedStanzas.add(mStanzaQueue.valueAt(i)); - } - mStanzaQueue.clear(); - } - Log.d(Config.LOGTAG, "resending " + failedStanzas.size() + " stanzas"); - for (AbstractAcknowledgeableStanza packet : failedStanzas) { - if (packet instanceof MessagePacket) { - MessagePacket message = (MessagePacket) packet; - mXmppConnectionService.markMessage(account, - message.getTo().toBareJid(), - message.getId(), - Message.STATUS_UNSEND); - } - sendPacket(packet); - } - } catch (final NumberFormatException ignored) { - } - Log.d(Config.LOGTAG, account.getJid().toBareJid()+ ": online with resource " + account.getResource()); - changeStatus(Account.State.ONLINE); - } else if (nextTag.isStart("r")) { - tagReader.readElement(nextTag); - if (Config.EXTENDED_SM_LOGGING) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": acknowledging stanza #" + this.stanzasReceived); - } - final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion); - tagWriter.writeStanzaAsync(ack); - } else if (nextTag.isStart("a")) { - final Element ack = tagReader.readElement(nextTag); - lastPacketReceived = SystemClock.elapsedRealtime(); - try { - synchronized (this.mStanzaQueue) { - final int serverSequence = Integer.parseInt(ack.getAttribute("h")); - acknowledgeStanzaUpTo(serverSequence); - } - } catch (NumberFormatException | NullPointerException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server send ack without sequence number"); - } - } else if (nextTag.isStart("failed")) { - Element failed = tagReader.readElement(nextTag); - try { - final int serverCount = Integer.parseInt(failed.getAttribute("h")); - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed but server acknowledged stanza #"+serverCount); - synchronized (this.mStanzaQueue) { - acknowledgeStanzaUpTo(serverCount); - } - } catch (NumberFormatException | NullPointerException e) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed"); - } - resetStreamId(); - if (account.getStatus() != Account.State.ONLINE) { - sendBindRequest(); - } - } else if (nextTag.isStart("iq")) { - processIq(nextTag); - } else if (nextTag.isStart("message")) { - processMessage(nextTag); - } else if (nextTag.isStart("presence")) { - processPresence(nextTag); - } - nextTag = tagReader.readTag(); - } - } - - private void acknowledgeStanzaUpTo(int serverCount) { - for (int i = 0; i < mStanzaQueue.size(); ++i) { - if (serverCount >= mStanzaQueue.keyAt(i)) { - if (Config.EXTENDED_SM_LOGGING) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server acknowledged stanza #" + mStanzaQueue.keyAt(i)); - } - AbstractAcknowledgeableStanza stanza = mStanzaQueue.valueAt(i); - if (stanza instanceof MessagePacket && acknowledgedListener != null) { - MessagePacket packet = (MessagePacket) stanza; - acknowledgedListener.onMessageAcknowledged(account, packet.getId()); - } - mStanzaQueue.removeAt(i); - i--; - } - } - } - - private Element processPacket(final Tag currentTag, final int packetType) - throws XmlPullParserException, IOException { - Element element; - switch (packetType) { - case PACKET_IQ: - element = new IqPacket(); - break; - case PACKET_MESSAGE: - element = new MessagePacket(); - break; - case PACKET_PRESENCE: - element = new PresencePacket(); - break; - default: - return null; - } - element.setAttributes(currentTag.getAttributes()); - Tag nextTag = tagReader.readTag(); - if (nextTag == null) { - throw new IOException("interrupted mid tag"); - } - while (!nextTag.isEnd(element.getName())) { - if (!nextTag.isNo()) { - final Element child = tagReader.readElement(nextTag); - final String type = currentTag.getAttribute("type"); - if (packetType == PACKET_IQ - && "jingle".equals(child.getName()) - && ("set".equalsIgnoreCase(type) || "get" - .equalsIgnoreCase(type))) { - element = new JinglePacket(); - element.setAttributes(currentTag.getAttributes()); - } - element.addChild(child); - } - nextTag = tagReader.readTag(); - if (nextTag == null) { - throw new IOException("interrupted mid tag"); - } - } - if (stanzasReceived == Integer.MAX_VALUE) { - resetStreamId(); - throw new IOException("time to restart the session. cant handle >2 billion pcks"); - } - ++stanzasReceived; - lastPacketReceived = SystemClock.elapsedRealtime(); - if (Config.BACKGROUND_STANZA_LOGGING && mXmppConnectionService.checkListeners()) { - Log.d(Config.LOGTAG,"[background stanza] "+element); - } - return element; - } - - private void processIq(final Tag currentTag) throws XmlPullParserException, IOException { - final IqPacket packet = (IqPacket) processPacket(currentTag, PACKET_IQ); - - if (packet.getId() == null) { - return; // an iq packet without id is definitely invalid - } - - if (packet instanceof JinglePacket) { - if (this.jingleListener != null) { - this.jingleListener.onJinglePacketReceived(account,(JinglePacket) packet); - } - } else { - OnIqPacketReceived callback = null; - synchronized (this.packetCallbacks) { - if (packetCallbacks.containsKey(packet.getId())) { - final Pair<IqPacket, OnIqPacketReceived> packetCallbackDuple = packetCallbacks.get(packet.getId()); - // Packets to the server should have responses from the server - if (packetCallbackDuple.first.toServer(account)) { - if (packet.fromServer(account) || mServerIdentity == Identity.FACEBOOK) { - callback = packetCallbackDuple.second; - packetCallbacks.remove(packet.getId()); - } else { - Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet"); - } - } else { - if (packet.getFrom().equals(packetCallbackDuple.first.getTo())) { - callback = packetCallbackDuple.second; - packetCallbacks.remove(packet.getId()); - } else { - Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet"); - } - } - } else if (packet.getType() == IqPacket.TYPE.GET || packet.getType() == IqPacket.TYPE.SET) { - callback = this.unregisteredIqListener; - } - } - if (callback != null) { - callback.onIqPacketReceived(account,packet); - } - } - } - - private void processMessage(final Tag currentTag) throws XmlPullParserException, IOException { - final MessagePacket packet = (MessagePacket) processPacket(currentTag,PACKET_MESSAGE); - this.messageListener.onMessagePacketReceived(account, packet); - } - - private void processPresence(final Tag currentTag) throws XmlPullParserException, IOException { - PresencePacket packet = (PresencePacket) processPacket(currentTag, PACKET_PRESENCE); - this.presenceListener.onPresencePacketReceived(account, packet); - } - - private void sendStartTLS() throws IOException { - final Tag startTLS = Tag.empty("starttls"); - startTLS.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-tls"); - tagWriter.writeTag(startTLS); - } - - - - private void switchOverToTls(final Tag currentTag) throws XmlPullParserException, IOException { - tagReader.readTag(); - try { - final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); - final InetAddress address = socket == null ? null : socket.getInetAddress(); - - if (address == null) { - throw new IOException("could not setup ssl"); - } - - final SSLSocket sslSocket = (SSLSocket) tlsFactoryVerifier.factory.createSocket(socket, address.getHostAddress(), socket.getPort(), true); - - if (sslSocket == null) { - throw new IOException("could not initialize ssl socket"); - } - - SSLSocketHelper.setSecurity(sslSocket); - - if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), sslSocket.getSession())) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed"); - throw new SecurityException(); - } - tagReader.setInputStream(sslSocket.getInputStream()); - tagWriter.setOutputStream(sslSocket.getOutputStream()); - sendStartStream(); - Log.d(Config.LOGTAG, account.getJid().toBareJid()+ ": TLS connection established"); - features.encryptionEnabled = true; - final Tag tag = tagReader.readTag(); - if (tag != null && tag.isStart("stream")) { - processStream(); - } else { - throw new IOException("server didn't restart stream after STARTTLS"); - } - sslSocket.close(); - } catch (final NoSuchAlgorithmException | KeyManagementException e1) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); - throw new SecurityException(); - } - } - - private void processStreamFeatures(final Tag currentTag) - throws XmlPullParserException, IOException { - this.streamFeatures = tagReader.readElement(currentTag); - if (this.streamFeatures.hasChild("starttls") && !features.encryptionEnabled) { - sendStartTLS(); - } else if (this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) { - if (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS) { - sendRegistryRequest(); - } else { - throw new IncompatibleServerException(); - } - } else if (!this.streamFeatures.hasChild("register") - && account.isOptionSet(Account.OPTION_REGISTER)) { - forceCloseSocket(); - changeStatus(Account.State.REGISTRATION_NOT_SUPPORTED); - } else if (this.streamFeatures.hasChild("mechanisms") - && shouldAuthenticate - && (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS)) { - authenticate(); - } else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:" + smVersion) && streamId != null) { - if (Config.EXTENDED_SM_LOGGING) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": resuming after stanza #"+stanzasReceived); - } - final ResumePacket resume = new ResumePacket(this.streamId, stanzasReceived, smVersion); - this.tagWriter.writeStanzaAsync(resume); - } else if (needsBinding) { - if (this.streamFeatures.hasChild("bind")) { - sendBindRequest(); - } else { - throw new IncompatibleServerException(); - } - } - } - - private void authenticate() throws IOException { - final List<String> mechanisms = extractMechanisms(streamFeatures - .findChild("mechanisms")); - final Element auth = new Element("auth"); - auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl"); - if (mechanisms.contains("EXTERNAL") && account.getPrivateKeyAlias() != null) { - saslMechanism = new External(tagWriter, account, mXmppConnectionService.getRNG()); - } else if (mechanisms.contains("SCRAM-SHA-1")) { - saslMechanism = new ScramSha1(tagWriter, account, mXmppConnectionService.getRNG()); - } else if (mechanisms.contains("PLAIN")) { - saslMechanism = new Plain(tagWriter, account); - } else if (mechanisms.contains("DIGEST-MD5")) { - saslMechanism = new DigestMd5(tagWriter, account, mXmppConnectionService.getRNG()); - } else if (mechanisms.contains("ANONYMOUS")) { - saslMechanism = new Anonymous(tagWriter, account, mXmppConnectionService.getRNG()); - } - if (saslMechanism != null) { + private boolean startXmpp() throws IOException, XmlPullParserException, NoSuchAlgorithmException { + tagWriter.setOutputStream(socket.getOutputStream()); + tagReader.setInputStream(socket.getInputStream()); + tagWriter.beginDocument(); + sendStartStream(); + Tag nextTag; + while ((nextTag = tagReader.readTag()) != null) { + if (nextTag.isStart("stream")) { + return true; + } else { + throw new IOException("unknown tag on connect"); + } + } + if (socket.isConnected()) { + socket.close(); + } + return false; + } + + private static class TlsFactoryVerifier { + private final SSLSocketFactory factory; + private final HostnameVerifier verifier; + + public TlsFactoryVerifier(final SSLSocketFactory factory, final HostnameVerifier verifier) throws IOException { + this.factory = factory; + this.verifier = verifier; + if (factory == null || verifier == null) { + throw new IOException("could not setup ssl"); + } + } + } + + private TlsFactoryVerifier getTlsFactoryVerifier() throws NoSuchAlgorithmException, KeyManagementException, IOException { + final SSLContext sc = SSLSocketHelper.getSSLContext(); + MemorizingTrustManager trustManager = this.mXmppConnectionService.getMemorizingTrustManager(); + KeyManager[] keyManager; + if (account.getPrivateKeyAlias() != null && account.getPassword().isEmpty()) { + keyManager = new KeyManager[]{new MyKeyManager()}; + } else { + keyManager = null; + } + sc.init(keyManager, new X509TrustManager[]{mInteractive ? trustManager : trustManager.getNonInteractive()}, mXmppConnectionService.getRNG()); + final SSLSocketFactory factory = sc.getSocketFactory(); + final HostnameVerifier verifier; + if (mInteractive) { + verifier = trustManager.wrapHostnameVerifier(new XmppDomainVerifier()); + } else { + verifier = trustManager.wrapHostnameVerifierNonInteractive(new XmppDomainVerifier()); + } + + return new TlsFactoryVerifier(factory, verifier); + } + + @Override + public void run() { + forceCloseSocket(); + connect(); + } + + private void processStream() throws XmlPullParserException, IOException, NoSuchAlgorithmException { + Tag nextTag = tagReader.readTag(); + while (nextTag != null && !nextTag.isEnd("stream")) { + if (nextTag.isStart("error")) { + processStreamError(nextTag); + } else if (nextTag.isStart("features")) { + processStreamFeatures(nextTag); + } else if (nextTag.isStart("proceed")) { + switchOverToTls(nextTag); + } else if (nextTag.isStart("success")) { + final String challenge = tagReader.readElement(nextTag).getContent(); + try { + saslMechanism.getResponse(challenge); + } catch (final SaslMechanism.AuthenticationException e) { + disconnect(true); + Log.e(Config.LOGTAG, String.valueOf(e)); + } + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": logged in"); + account.setKey(Account.PINNED_MECHANISM_KEY, + String.valueOf(saslMechanism.getPriority())); + tagReader.reset(); + sendStartStream(); + final Tag tag = tagReader.readTag(); + if (tag != null && tag.isStart("stream")) { + processStream(); + } else { + throw new IOException("server didn't restart stream after successful auth"); + } + break; + } else if (nextTag.isStart("failure")) { + final Element failure = tagReader.readElement(nextTag); + final String text = failure.findChildContent("text"); + if (failure.hasChild("account-disabled") + && text != null + && text.contains("renew") + && Config.MAGIC_CREATE_DOMAIN != null + && text.contains(Config.MAGIC_CREATE_DOMAIN)) { + throw new PaymentRequiredException(); + } else { + throw new UnauthorizedException(); + } + } else if (nextTag.isStart("challenge")) { + final String challenge = tagReader.readElement(nextTag).getContent(); + final Element response = new Element("response"); + response.setAttribute("xmlns", + "urn:ietf:params:xml:ns:xmpp-sasl"); + try { + response.setContent(saslMechanism.getResponse(challenge)); + } catch (final SaslMechanism.AuthenticationException e) { + // TODO: Send auth abort tag. + Log.e(Config.LOGTAG, e.toString()); + } + tagWriter.writeElement(response); + } else if (nextTag.isStart("enabled")) { + final Element enabled = tagReader.readElement(nextTag); + if ("true".equals(enabled.getAttribute("resume"))) { + this.streamId = enabled.getAttribute("id"); + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + + ": stream management(" + smVersion + + ") enabled (resumable)"); + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + + ": stream management(" + smVersion + ") enabled"); + } + this.stanzasReceived = 0; + final RequestPacket r = new RequestPacket(smVersion); + tagWriter.writeStanzaAsync(r); + } else if (nextTag.isStart("resumed")) { + lastPacketReceived = SystemClock.elapsedRealtime(); + final Element resumed = tagReader.readElement(nextTag); + final String h = resumed.getAttribute("h"); + try { + ArrayList<AbstractAcknowledgeableStanza> failedStanzas = new ArrayList<>(); + synchronized (this.mStanzaQueue) { + final int serverCount = Integer.parseInt(h); + if (serverCount != stanzasSent) { + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + + ": session resumed with lost packages"); + stanzasSent = serverCount; + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": session resumed"); + } + acknowledgeStanzaUpTo(serverCount); + for (int i = 0; i < this.mStanzaQueue.size(); ++i) { + failedStanzas.add(mStanzaQueue.valueAt(i)); + } + mStanzaQueue.clear(); + } + Log.d(Config.LOGTAG, "resending " + failedStanzas.size() + " stanzas"); + for (AbstractAcknowledgeableStanza packet : failedStanzas) { + if (packet instanceof MessagePacket) { + MessagePacket message = (MessagePacket) packet; + mXmppConnectionService.markMessage(account, + message.getTo().toBareJid(), + message.getId(), + Message.STATUS_UNSEND); + } + sendPacket(packet); + } + } catch (final NumberFormatException ignored) { + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": online with resource " + account.getResource()); + changeStatus(Account.State.ONLINE); + } else if (nextTag.isStart("r")) { + tagReader.readElement(nextTag); + if (Config.EXTENDED_SM_LOGGING) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": acknowledging stanza #" + this.stanzasReceived); + } + final AckPacket ack = new AckPacket(this.stanzasReceived, smVersion); + tagWriter.writeStanzaAsync(ack); + } else if (nextTag.isStart("a")) { + final Element ack = tagReader.readElement(nextTag); + lastPacketReceived = SystemClock.elapsedRealtime(); + try { + synchronized (this.mStanzaQueue) { + final int serverSequence = Integer.parseInt(ack.getAttribute("h")); + acknowledgeStanzaUpTo(serverSequence); + } + } catch (NumberFormatException | NullPointerException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server send ack without sequence number"); + } + } else if (nextTag.isStart("failed")) { + Element failed = tagReader.readElement(nextTag); + try { + final int serverCount = Integer.parseInt(failed.getAttribute("h")); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed but server acknowledged stanza #" + serverCount); + synchronized (this.mStanzaQueue) { + acknowledgeStanzaUpTo(serverCount); + } + } catch (NumberFormatException | NullPointerException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resumption failed"); + } + resetStreamId(); + if (account.getStatus() != Account.State.ONLINE) { + sendBindRequest(); + } + } else if (nextTag.isStart("iq")) { + processIq(nextTag); + } else if (nextTag.isStart("message")) { + processMessage(nextTag); + } else if (nextTag.isStart("presence")) { + processPresence(nextTag); + } + nextTag = tagReader.readTag(); + } + } + + private void acknowledgeStanzaUpTo(int serverCount) { + for (int i = 0; i < mStanzaQueue.size(); ++i) { + if (serverCount >= mStanzaQueue.keyAt(i)) { + if (Config.EXTENDED_SM_LOGGING) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server acknowledged stanza #" + mStanzaQueue.keyAt(i)); + } + AbstractAcknowledgeableStanza stanza = mStanzaQueue.valueAt(i); + if (stanza instanceof MessagePacket && acknowledgedListener != null) { + MessagePacket packet = (MessagePacket) stanza; + acknowledgedListener.onMessageAcknowledged(account, packet.getId()); + } + mStanzaQueue.removeAt(i); + i--; + } + } + } + + private Element processPacket(final Tag currentTag, final int packetType) + throws XmlPullParserException, IOException { + Element element; + switch (packetType) { + case PACKET_IQ: + element = new IqPacket(); + break; + case PACKET_MESSAGE: + element = new MessagePacket(); + break; + case PACKET_PRESENCE: + element = new PresencePacket(); + break; + default: + return null; + } + element.setAttributes(currentTag.getAttributes()); + Tag nextTag = tagReader.readTag(); + if (nextTag == null) { + throw new IOException("interrupted mid tag"); + } + while (!nextTag.isEnd(element.getName())) { + if (!nextTag.isNo()) { + final Element child = tagReader.readElement(nextTag); + final String type = currentTag.getAttribute("type"); + if (packetType == PACKET_IQ + && "jingle".equals(child.getName()) + && ("set".equalsIgnoreCase(type) || "get" + .equalsIgnoreCase(type))) { + element = new JinglePacket(); + element.setAttributes(currentTag.getAttributes()); + } + element.addChild(child); + } + nextTag = tagReader.readTag(); + if (nextTag == null) { + throw new IOException("interrupted mid tag"); + } + } + if (stanzasReceived == Integer.MAX_VALUE) { + resetStreamId(); + throw new IOException("time to restart the session. cant handle >2 billion pcks"); + } + ++stanzasReceived; + lastPacketReceived = SystemClock.elapsedRealtime(); + if (Config.BACKGROUND_STANZA_LOGGING && mXmppConnectionService.checkListeners()) { + Log.d(Config.LOGTAG, "[background stanza] " + element); + } + return element; + } + + private void processIq(final Tag currentTag) throws XmlPullParserException, IOException { + final IqPacket packet = (IqPacket) processPacket(currentTag, PACKET_IQ); + + if (packet.getId() == null) { + return; // an iq packet without id is definitely invalid + } + + if (packet instanceof JinglePacket) { + if (this.jingleListener != null) { + this.jingleListener.onJinglePacketReceived(account, (JinglePacket) packet); + } + } else { + OnIqPacketReceived callback = null; + synchronized (this.packetCallbacks) { + if (packetCallbacks.containsKey(packet.getId())) { + final Pair<IqPacket, OnIqPacketReceived> packetCallbackDuple = packetCallbacks.get(packet.getId()); + // Packets to the server should have responses from the server + if (packetCallbackDuple.first.toServer(account)) { + if (packet.fromServer(account) || mServerIdentity == Identity.FACEBOOK) { + callback = packetCallbackDuple.second; + packetCallbacks.remove(packet.getId()); + } else { + Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet"); + } + } else { + if (packet.getFrom().equals(packetCallbackDuple.first.getTo())) { + callback = packetCallbackDuple.second; + packetCallbacks.remove(packet.getId()); + } else { + Log.e(Config.LOGTAG, account.getJid().toBareJid().toString() + ": ignoring spoofed iq packet"); + } + } + } else if (packet.getType() == IqPacket.TYPE.GET || packet.getType() == IqPacket.TYPE.SET) { + callback = this.unregisteredIqListener; + } + } + if (callback != null) { + callback.onIqPacketReceived(account, packet); + } + } + } + + private void processMessage(final Tag currentTag) throws XmlPullParserException, IOException { + final MessagePacket packet = (MessagePacket) processPacket(currentTag, PACKET_MESSAGE); + this.messageListener.onMessagePacketReceived(account, packet); + } + + private void processPresence(final Tag currentTag) throws XmlPullParserException, IOException { + PresencePacket packet = (PresencePacket) processPacket(currentTag, PACKET_PRESENCE); + this.presenceListener.onPresencePacketReceived(account, packet); + } + + private void sendStartTLS() throws IOException { + final Tag startTLS = Tag.empty("starttls"); + startTLS.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-tls"); + tagWriter.writeTag(startTLS); + } + + + private void switchOverToTls(final Tag currentTag) throws XmlPullParserException, IOException { + tagReader.readTag(); + try { + final TlsFactoryVerifier tlsFactoryVerifier = getTlsFactoryVerifier(); + final InetAddress address = socket == null ? null : socket.getInetAddress(); + + if (address == null) { + throw new IOException("could not setup ssl"); + } + + final SSLSocket sslSocket = (SSLSocket) tlsFactoryVerifier.factory.createSocket(socket, address.getHostAddress(), socket.getPort(), true); + + if (sslSocket == null) { + throw new IOException("could not initialize ssl socket"); + } + + SSLSocketHelper.setSecurity(sslSocket); + + if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), sslSocket.getSession())) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); + throw new SecurityException(); + } + tagReader.setInputStream(sslSocket.getInputStream()); + tagWriter.setOutputStream(sslSocket.getOutputStream()); + sendStartStream(); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS connection established"); + features.encryptionEnabled = true; + final Tag tag = tagReader.readTag(); + if (tag != null && tag.isStart("stream")) { + processStream(); + } else { + throw new IOException("server didn't restart stream after STARTTLS"); + } + sslSocket.close(); + } catch (final NoSuchAlgorithmException | KeyManagementException e1) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed"); + throw new SecurityException(); + } + } + + private void processStreamFeatures(final Tag currentTag) + throws XmlPullParserException, IOException { + this.streamFeatures = tagReader.readElement(currentTag); + if (this.streamFeatures.hasChild("starttls") && !features.encryptionEnabled) { + sendStartTLS(); + } else if (this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) { + if (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS) { + sendRegistryRequest(); + } else { + throw new IncompatibleServerException(); + } + } else if (!this.streamFeatures.hasChild("register") + && account.isOptionSet(Account.OPTION_REGISTER)) { + forceCloseSocket(); + changeStatus(Account.State.REGISTRATION_NOT_SUPPORTED); + } else if (this.streamFeatures.hasChild("mechanisms") + && shouldAuthenticate + && (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS)) { + authenticate(); + } else if (this.streamFeatures.hasChild("sm", "urn:xmpp:sm:" + smVersion) && streamId != null) { + if (Config.EXTENDED_SM_LOGGING) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": resuming after stanza #" + stanzasReceived); + } + final ResumePacket resume = new ResumePacket(this.streamId, stanzasReceived, smVersion); + this.tagWriter.writeStanzaAsync(resume); + } else if (needsBinding) { + if (this.streamFeatures.hasChild("bind")) { + sendBindRequest(); + } else { + throw new IncompatibleServerException(); + } + } + } + + private void authenticate() throws IOException { + final List<String> mechanisms = extractMechanisms(streamFeatures + .findChild("mechanisms")); + final Element auth = new Element("auth"); + auth.setAttribute("xmlns", "urn:ietf:params:xml:ns:xmpp-sasl"); + if (mechanisms.contains("EXTERNAL") && account.getPrivateKeyAlias() != null) { + saslMechanism = new External(tagWriter, account, mXmppConnectionService.getRNG()); + } else if (mechanisms.contains("SCRAM-SHA-1")) { + saslMechanism = new ScramSha1(tagWriter, account, mXmppConnectionService.getRNG()); + } else if (mechanisms.contains("PLAIN")) { + saslMechanism = new Plain(tagWriter, account); + } else if (mechanisms.contains("DIGEST-MD5")) { + saslMechanism = new DigestMd5(tagWriter, account, mXmppConnectionService.getRNG()); + } else if (mechanisms.contains("ANONYMOUS")) { + saslMechanism = new Anonymous(tagWriter, account, mXmppConnectionService.getRNG()); + } + if (saslMechanism != null) { final int pinnedMechanism = account.getKeyAsInt(Account.PINNED_MECHANISM_KEY, -1); if (pinnedMechanism > saslMechanism.getPriority()) { Log.e(Config.LOGTAG, "Auth failed. Authentication mechanism " + saslMechanism.getMechanism() + @@ -879,839 +878,840 @@ public class XmppConnection implements Runnable { ") than pinned priority (" + pinnedMechanism + "). Possible downgrade attack?"); throw new SecurityException(); - } - Log.d(Config.LOGTAG, account.getJid().toString() + ": Authenticating with " + saslMechanism.getMechanism()); - auth.setAttribute("mechanism", saslMechanism.getMechanism()); - if (!saslMechanism.getClientFirstMessage().isEmpty()) { - auth.setContent(saslMechanism.getClientFirstMessage()); - } - tagWriter.writeElement(auth); - } else { - throw new IncompatibleServerException(); - } - } - - private List<String> extractMechanisms(final Element stream) { - final ArrayList<String> mechanisms = new ArrayList<>(stream - .getChildren().size()); - for (final Element child : stream.getChildren()) { - mechanisms.add(child.getContent()); - } - return mechanisms; - } - - private void sendRegistryRequest() { - final IqPacket register = new IqPacket(IqPacket.TYPE.GET); - register.query("jabber:iq:register"); - register.setTo(account.getServer()); - sendUnmodifiedIqPacket(register, new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(final Account account, final IqPacket packet) { - boolean failed = false; - if (packet.getType() == IqPacket.TYPE.RESULT - && packet.query().hasChild("username") - && (packet.query().hasChild("password"))) { - final IqPacket register = new IqPacket(IqPacket.TYPE.SET); - final Element username = new Element("username").setContent(account.getUsername()); - final Element password = new Element("password").setContent(account.getPassword()); - register.query("jabber:iq:register").addChild(username); - register.query().addChild(password); - register.setFrom(account.getJid().toBareJid()); - sendUnmodifiedIqPacket(register, registrationResponseListener); - } else if (packet.getType() == IqPacket.TYPE.RESULT - && (packet.query().hasChild("x", "jabber:x:data"))) { - final Data data = Data.parse(packet.query().findChild("x", "jabber:x:data")); - final Element blob = packet.query().findChild("data", "urn:xmpp:bob"); - final String id = packet.getId(); - - Bitmap captcha = null; - if (blob != null) { - try { - final String base64Blob = blob.getContent(); - final byte[] strBlob = Base64.decode(base64Blob, Base64.DEFAULT); - InputStream stream = new ByteArrayInputStream(strBlob); - captcha = BitmapFactory.decodeStream(stream); - } catch (Exception e) { - //ignored - } - } else { - try { - Field url = data.getFieldByName("url"); - String urlString = url.findChildContent("value"); - URL uri = new URL(urlString); - captcha = BitmapFactory.decodeStream(uri.openConnection().getInputStream()); - } catch (IOException e) { - Log.e(Config.LOGTAG, e.toString()); - } - } - - if (captcha != null) { - failed = !mXmppConnectionService.displayCaptchaRequest(account, id, data, captcha); - } - } else { - failed = true; - } - - if (failed) { - final Element instructions = packet.query().findChild("instructions"); - setAccountCreationFailed((instructions != null) ? instructions.getContent() : ""); - } - } - }); - } - - private void setAccountCreationFailed(String instructions) { - changeStatus(Account.State.REGISTRATION_FAILED); - disconnect(true); - Log.d(Config.LOGTAG, account.getJid().toBareJid() - + ": could not register. instructions are" - + instructions); - } - - public void resetEverything() { - resetAttemptCount(); - resetStreamId(); - clearIqCallbacks(); - mStanzaQueue.clear(); - synchronized (this.disco) { - disco.clear(); - } - } - - private void sendBindRequest() { - while(!mXmppConnectionService.areMessagesInitialized() && socket != null && !socket.isClosed()) { - try { - Thread.sleep(500); - } catch (final InterruptedException ignored) { - } - } - needsBinding = false; - clearIqCallbacks(); - final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); - iq.addChild("bind", "urn:ietf:params:xml:ns:xmpp-bind") - .addChild("resource").setContent(account.getResource()); - this.sendUnmodifiedIqPacket(iq, new OnIqPacketReceived() { - @Override - public void onIqPacketReceived(final Account account, final IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.TIMEOUT) { - return; - } - final Element bind = packet.findChild("bind"); - if (bind != null && packet.getType() == IqPacket.TYPE.RESULT) { - final Element jid = bind.findChild("jid"); - if (jid != null && jid.getContent() != null) { - try { + } + Log.d(Config.LOGTAG, account.getJid().toString() + ": Authenticating with " + saslMechanism.getMechanism()); + auth.setAttribute("mechanism", saslMechanism.getMechanism()); + if (!saslMechanism.getClientFirstMessage().isEmpty()) { + auth.setContent(saslMechanism.getClientFirstMessage()); + } + tagWriter.writeElement(auth); + } else { + throw new IncompatibleServerException(); + } + } + + private List<String> extractMechanisms(final Element stream) { + final ArrayList<String> mechanisms = new ArrayList<>(stream + .getChildren().size()); + for (final Element child : stream.getChildren()) { + mechanisms.add(child.getContent()); + } + return mechanisms; + } + + private void sendRegistryRequest() { + final IqPacket register = new IqPacket(IqPacket.TYPE.GET); + register.query("jabber:iq:register"); + register.setTo(account.getServer()); + sendUnmodifiedIqPacket(register, new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(final Account account, final IqPacket packet) { + boolean failed = false; + if (packet.getType() == IqPacket.TYPE.RESULT + && packet.query().hasChild("username") + && (packet.query().hasChild("password"))) { + final IqPacket register = new IqPacket(IqPacket.TYPE.SET); + final Element username = new Element("username").setContent(account.getUsername()); + final Element password = new Element("password").setContent(account.getPassword()); + register.query("jabber:iq:register").addChild(username); + register.query().addChild(password); + register.setFrom(account.getJid().toBareJid()); + sendUnmodifiedIqPacket(register, registrationResponseListener); + } else if (packet.getType() == IqPacket.TYPE.RESULT + && (packet.query().hasChild("x", "jabber:x:data"))) { + final Data data = Data.parse(packet.query().findChild("x", "jabber:x:data")); + final Element blob = packet.query().findChild("data", "urn:xmpp:bob"); + final String id = packet.getId(); + + Bitmap captcha = null; + if (blob != null) { + try { + final String base64Blob = blob.getContent(); + final byte[] strBlob = Base64.decode(base64Blob, Base64.DEFAULT); + InputStream stream = new ByteArrayInputStream(strBlob); + captcha = BitmapFactory.decodeStream(stream); + } catch (Exception e) { + //ignored + } + } else { + try { + Field url = data.getFieldByName("url"); + String urlString = url.findChildContent("value"); + URL uri = new URL(urlString); + captcha = BitmapFactory.decodeStream(uri.openConnection().getInputStream()); + } catch (IOException e) { + Log.e(Config.LOGTAG, e.toString()); + } + } + + if (captcha != null) { + failed = !mXmppConnectionService.displayCaptchaRequest(account, id, data, captcha); + } + } else { + failed = true; + } + + if (failed) { + final Element instructions = packet.query().findChild("instructions"); + setAccountCreationFailed((instructions != null) ? instructions.getContent() : ""); + } + } + }); + } + + private void setAccountCreationFailed(String instructions) { + changeStatus(Account.State.REGISTRATION_FAILED); + disconnect(true); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + + ": could not register. instructions are" + + instructions); + } + + public void resetEverything() { + resetAttemptCount(); + resetStreamId(); + clearIqCallbacks(); + mStanzaQueue.clear(); + synchronized (this.disco) { + disco.clear(); + } + } + + private void sendBindRequest() { + while (!mXmppConnectionService.areMessagesInitialized() && socket != null && !socket.isClosed()) { + try { + Thread.sleep(500); + } catch (final InterruptedException ignored) { + } + } + needsBinding = false; + clearIqCallbacks(); + final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); + iq.addChild("bind", "urn:ietf:params:xml:ns:xmpp-bind") + .addChild("resource").setContent(account.getResource()); + this.sendUnmodifiedIqPacket(iq, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(final Account account, final IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.TIMEOUT) { + return; + } + final Element bind = packet.findChild("bind"); + if (bind != null && packet.getType() == IqPacket.TYPE.RESULT) { + final Element jid = bind.findChild("jid"); + if (jid != null && jid.getContent() != null) { + try { if (account.setJid(Jid.fromString(jid.getContent()))) { Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": bare jid changed during bind. updating database"); mXmppConnectionService.databaseBackend.updateAccount(account); } if (streamFeatures.hasChild("session") - && !streamFeatures.findChild("session").hasChild("optional")) { - sendStartSession(); - } else { - sendPostBindInitialization(); - } - return; - } catch (final InvalidJidException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server reported invalid jid ("+jid.getContent()+") on bind"); - } - } else { - Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure. (no jid)"); - } - } else { - Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure (" + packet.toString()); - } - forceCloseSocket(); - changeStatus(Account.State.BIND_FAILURE); - } - }); - } - - private void clearIqCallbacks() { - final IqPacket failurePacket = new IqPacket(IqPacket.TYPE.TIMEOUT); - final ArrayList<OnIqPacketReceived> callbacks = new ArrayList<>(); - synchronized (this.packetCallbacks) { - if (this.packetCallbacks.size() == 0) { - return; - } - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": clearing "+this.packetCallbacks.size()+" iq callbacks"); - final Iterator<Pair<IqPacket, OnIqPacketReceived>> iterator = this.packetCallbacks.values().iterator(); - while (iterator.hasNext()) { - Pair<IqPacket, OnIqPacketReceived> entry = iterator.next(); - callbacks.add(entry.second); - iterator.remove(); - } - } - for(OnIqPacketReceived callback : callbacks) { - callback.onIqPacketReceived(account,failurePacket); - } - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": done clearing iq callbacks. " + this.packetCallbacks.size() + " left"); - } - - public void sendDiscoTimeout() { - if (mWaitForDisco.compareAndSet(true, false)) { - finalizeBind(); - } - } - - private void sendStartSession() { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending legacy session to outdated server"); - final IqPacket startSession = new IqPacket(IqPacket.TYPE.SET); - startSession.addChild("session", "urn:ietf:params:xml:ns:xmpp-session"); - this.sendUnmodifiedIqPacket(startSession, new OnIqPacketReceived() { - @Override - public void onIqPacketReceived(Account account, IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.RESULT) { - sendPostBindInitialization(); - } else if (packet.getType() != IqPacket.TYPE.TIMEOUT) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not init sessions"); - disconnect(true); - } - } - }); - } - - private void sendPostBindInitialization() { - smVersion = 0; - if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) { - smVersion = 3; - } else if (streamFeatures.hasChild("sm", "urn:xmpp:sm:2")) { - smVersion = 2; - } - if (smVersion != 0) { - synchronized (this.mStanzaQueue) { - final EnablePacket enable = new EnablePacket(smVersion); - tagWriter.writeStanzaAsync(enable); - stanzasSent = 0; - mStanzaQueue.clear(); - } - } + && !streamFeatures.findChild("session").hasChild("optional")) { + sendStartSession(); + } else { + sendPostBindInitialization(); + } + return; + } catch (final InvalidJidException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server reported invalid jid (" + jid.getContent() + ") on bind"); + } + } else { + Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure. (no jid)"); + } + } else { + Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure (" + packet.toString()); + } + forceCloseSocket(); + changeStatus(Account.State.BIND_FAILURE); + } + }); + } + + private void clearIqCallbacks() { + final IqPacket failurePacket = new IqPacket(IqPacket.TYPE.TIMEOUT); + final ArrayList<OnIqPacketReceived> callbacks = new ArrayList<>(); + synchronized (this.packetCallbacks) { + if (this.packetCallbacks.size() == 0) { + return; + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": clearing " + this.packetCallbacks.size() + " iq callbacks"); + final Iterator<Pair<IqPacket, OnIqPacketReceived>> iterator = this.packetCallbacks.values().iterator(); + while (iterator.hasNext()) { + Pair<IqPacket, OnIqPacketReceived> entry = iterator.next(); + callbacks.add(entry.second); + iterator.remove(); + } + } + for (OnIqPacketReceived callback : callbacks) { + callback.onIqPacketReceived(account, failurePacket); + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": done clearing iq callbacks. " + this.packetCallbacks.size() + " left"); + } + + public void sendDiscoTimeout() { + if (mWaitForDisco.compareAndSet(true, false)) { + finalizeBind(); + } + } + + private void sendStartSession() { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": sending legacy session to outdated server"); + final IqPacket startSession = new IqPacket(IqPacket.TYPE.SET); + startSession.addChild("session", "urn:ietf:params:xml:ns:xmpp-session"); + this.sendUnmodifiedIqPacket(startSession, new OnIqPacketReceived() { + @Override + public void onIqPacketReceived(Account account, IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.RESULT) { + sendPostBindInitialization(); + } else if (packet.getType() != IqPacket.TYPE.TIMEOUT) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not init sessions"); + disconnect(true); + } + } + }); + } + + private void sendPostBindInitialization() { + smVersion = 0; + if (streamFeatures.hasChild("sm", "urn:xmpp:sm:3")) { + smVersion = 3; + } else if (streamFeatures.hasChild("sm", "urn:xmpp:sm:2")) { + smVersion = 2; + } + if (smVersion != 0) { + synchronized (this.mStanzaQueue) { + final EnablePacket enable = new EnablePacket(smVersion); + tagWriter.writeStanzaAsync(enable); + stanzasSent = 0; + mStanzaQueue.clear(); + } + } features.carbonsEnabled = false; - features.blockListRequested = false; - synchronized (this.disco) { - this.disco.clear(); - } - mPendingServiceDiscoveries.set(0); + features.blockListRequested = false; + synchronized (this.disco) { + this.disco.clear(); + } + mPendingServiceDiscoveries.set(0); mWaitForDisco.set(mServerIdentity != Identity.NIMBUZZ && smVersion != 0); - lastDiscoStarted = SystemClock.elapsedRealtime(); - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": starting service discovery"); - mXmppConnectionService.scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode()); - Element caps = streamFeatures.findChild("c"); - final String hash = caps == null ? null : caps.getAttribute("hash"); - final String ver = caps == null ? null : caps.getAttribute("ver"); - ServiceDiscoveryResult discoveryResult = null; - if (hash != null && ver != null) { - discoveryResult = mXmppConnectionService.getCachedServiceDiscoveryResult(new Pair<>(hash, ver)); - } - if (discoveryResult == null) { - sendServiceDiscoveryInfo(account.getServer()); - } else { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": server caps came from cache"); - disco.put(account.getServer(), discoveryResult); - } - sendServiceDiscoveryInfo(account.getJid().toBareJid()); - sendServiceDiscoveryItems(account.getServer()); - - if (!mWaitForDisco.get()) { - finalizeBind(); - } - this.lastSessionStarted = SystemClock.elapsedRealtime(); - } - - private void sendServiceDiscoveryInfo(final Jid jid) { - mPendingServiceDiscoveries.incrementAndGet(); - final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); - iq.setTo(jid); - iq.query("http://jabber.org/protocol/disco#info"); - this.sendIqPacket(iq, new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(final Account account, final IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.RESULT) { - boolean advancedStreamFeaturesLoaded; - synchronized (XmppConnection.this.disco) { - ServiceDiscoveryResult result = new ServiceDiscoveryResult(packet); - for (final ServiceDiscoveryResult.Identity id : result.getIdentities()) { - if (mServerIdentity == Identity.UNKNOWN && id.getType().equals("im") && - id.getCategory().equals("server") && id.getName() != null && - jid.equals(account.getServer())) { - switch (id.getName()) { - case "Prosody": - mServerIdentity = Identity.PROSODY; - break; - case "ejabberd": - mServerIdentity = Identity.EJABBERD; - break; - case "Slack-XMPP": - mServerIdentity = Identity.SLACK; - break; - } - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server name: " + id.getName()); - } - } - if (jid.equals(account.getServer())) { - mXmppConnectionService.databaseBackend.insertDiscoveryResult(result); - } - disco.put(jid, result); - advancedStreamFeaturesLoaded = disco.containsKey(account.getServer()) - && disco.containsKey(account.getJid().toBareJid()); - } - if (advancedStreamFeaturesLoaded && (jid.equals(account.getServer()) || jid.equals(account.getJid().toBareJid()))) { - enableAdvancedStreamFeatures(); - } - } else { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco info for " + jid.toString()); - } - if (packet.getType() != IqPacket.TYPE.TIMEOUT) { - if (mPendingServiceDiscoveries.decrementAndGet() == 0 - && mWaitForDisco.compareAndSet(true, false)) { - finalizeBind(); - } - } - } - }); - } - - private void finalizeBind() { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": online with resource " + account.getResource()); - if (bindListener != null) { - bindListener.onBind(account); - } - changeStatus(Account.State.ONLINE); - } - - private void enableAdvancedStreamFeatures() { - if (getFeatures().carbons() && !features.carbonsEnabled) { - sendEnableCarbons(); - } - if (getFeatures().blocking() && !features.blockListRequested) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Requesting block list"); - this.sendIqPacket(getIqGenerator().generateGetBlockList(), mXmppConnectionService.getIqParser()); - } - for (final OnAdvancedStreamFeaturesLoaded listener : advancedStreamFeaturesLoadedListeners) { - listener.onAdvancedStreamFeaturesAvailable(account); - } - } - - private void sendServiceDiscoveryItems(final Jid server) { - mPendingServiceDiscoveries.incrementAndGet(); - final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); - iq.setTo(server.toDomainJid()); - iq.query("http://jabber.org/protocol/disco#items"); - this.sendIqPacket(iq, new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(final Account account, final IqPacket packet) { - if (packet.getType() == IqPacket.TYPE.RESULT) { - final List<Element> elements = packet.query().getChildren(); - for (final Element element : elements) { - if (element.getName().equals("item")) { - final Jid jid = element.getAttributeAsJid("jid"); - if (jid != null && !jid.equals(account.getServer())) { - sendServiceDiscoveryInfo(jid); - } - } - } - } else { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco items of " + server); - } - if (packet.getType() != IqPacket.TYPE.TIMEOUT) { - if (mPendingServiceDiscoveries.decrementAndGet() == 0 - && mWaitForDisco.compareAndSet(true, false)) { - finalizeBind(); - } - } - } - }); - } - - private void sendEnableCarbons() { - final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); - iq.addChild("enable", "urn:xmpp:carbons:2"); - this.sendIqPacket(iq, new OnIqPacketReceived() { - - @Override - public void onIqPacketReceived(final Account account, final IqPacket packet) { - if (!packet.hasChild("error")) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() - + ": successfully enabled carbons"); - features.carbonsEnabled = true; - } else { - Log.d(Config.LOGTAG, account.getJid().toBareJid() - + ": error enableing carbons " + packet.toString()); - } - } - }); - } - - private void processStreamError(final Tag currentTag) - throws XmlPullParserException, IOException { - final Element streamError = tagReader.readElement(currentTag); - if (streamError == null) { - return; - } - if (streamError.hasChild("conflict")) { - final String resource = account.getResource().split("\\.")[0]; - account.setResource(resource + "." + nextRandomId()); - Log.d(Config.LOGTAG, - account.getJid().toBareJid() + ": switching resource due to conflict (" - + account.getResource() + ")"); - throw new IOException(); - } else if (streamError.hasChild("host-unknown")) { - throw new StreamErrorHostUnknown(); - } else if (streamError.hasChild("policy-violation")) { - throw new StreamErrorPolicyViolation(); - } else { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": stream error "+streamError.toString()); - throw new StreamError(); - } - } - - private void sendStartStream() throws IOException { - final Tag stream = Tag.start("stream:stream"); - stream.setAttribute("to", account.getServer().toString()); - stream.setAttribute("version", "1.0"); - stream.setAttribute("xml:lang", "en"); - stream.setAttribute("xmlns", "jabber:client"); - stream.setAttribute("xmlns:stream", "http://etherx.jabber.org/streams"); - tagWriter.writeTag(stream); - } - - private String nextRandomId() { - return new BigInteger(50, mXmppConnectionService.getRNG()).toString(32); - } - - public String sendIqPacket(final IqPacket packet, final OnIqPacketReceived callback) { - packet.setFrom(account.getJid()); - return this.sendUnmodifiedIqPacket(packet, callback); - } - - public synchronized String sendUnmodifiedIqPacket(final IqPacket packet, final OnIqPacketReceived callback) { - if (packet.getId() == null) { - final String id = nextRandomId(); - packet.setAttribute("id", id); - } - if (callback != null) { - synchronized (this.packetCallbacks) { - packetCallbacks.put(packet.getId(), new Pair<>(packet, callback)); - } - } - this.sendPacket(packet); - return packet.getId(); - } - - public void sendMessagePacket(final MessagePacket packet) { - this.sendPacket(packet); - } - - public void sendPresencePacket(final PresencePacket packet) { - this.sendPacket(packet); - } - - private synchronized void sendPacket(final AbstractStanza packet) { - if (stanzasSent == Integer.MAX_VALUE) { - resetStreamId(); - disconnect(true); - return; - } - synchronized (this.mStanzaQueue) { - tagWriter.writeStanzaAsync(packet); - if (packet instanceof AbstractAcknowledgeableStanza) { - AbstractAcknowledgeableStanza stanza = (AbstractAcknowledgeableStanza) packet; - ++stanzasSent; - this.mStanzaQueue.append(stanzasSent, stanza); - if (stanza instanceof MessagePacket && stanza.getId() != null && getFeatures().sm()) { - if (Config.EXTENDED_SM_LOGGING) { - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": requesting ack for message stanza #" + stanzasSent); - } - tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion)); - } - } - } - } - - public void sendPing() { - if (!r()) { - final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); - iq.setFrom(account.getJid()); - iq.addChild("ping", "urn:xmpp:ping"); - this.sendIqPacket(iq, null); - } - this.lastPingSent = SystemClock.elapsedRealtime(); - } - - public void setOnMessagePacketReceivedListener( - final OnMessagePacketReceived listener) { - this.messageListener = listener; - } - - public void setOnUnregisteredIqPacketReceivedListener( - final OnIqPacketReceived listener) { - this.unregisteredIqListener = listener; - } - - public void setOnPresencePacketReceivedListener( - final OnPresencePacketReceived listener) { - this.presenceListener = listener; - } - - public void setOnJinglePacketReceivedListener( - final OnJinglePacketReceived listener) { - this.jingleListener = listener; - } - - public void setOnStatusChangedListener(final OnStatusChanged listener) { - this.statusListener = listener; - } - - public void setOnBindListener(final OnBindListener listener) { - this.bindListener = listener; - } - - public void setOnMessageAcknowledgeListener(final OnMessageAcknowledged listener) { - this.acknowledgedListener = listener; - } - - public void addOnAdvancedStreamFeaturesAvailableListener(final OnAdvancedStreamFeaturesLoaded listener) { - if (!this.advancedStreamFeaturesLoadedListeners.contains(listener)) { - this.advancedStreamFeaturesLoadedListeners.add(listener); - } - } - - public void waitForPush() { - if (tagWriter.isActive()) { - tagWriter.finish(); - new Thread(new Runnable() { - @Override - public void run() { - try { - while(!tagWriter.finished()) { - Thread.sleep(10); - } - socket.close(); - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": closed tcp without closing stream"); - changeStatus(Account.State.OFFLINE); - } catch (IOException | InterruptedException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": error while closing socket for waitForPush()"); - } - } - }).start(); - } else { - forceCloseSocket(); - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": closed tcp without closing stream (no waiting)"); - } - } - - private void forceCloseSocket() { - if (socket != null) { - try { - socket.close(); - } catch (IOException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": io exception "+e.getMessage()+" during force close"); - } - } else { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": socket was null during force close"); - } - } - - public void interrupt() { - Thread.currentThread().interrupt(); - } - - public void disconnect(final boolean force) { - interrupt(); - Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": disconnecting force="+Boolean.valueOf(force)); - if (force) { - tagWriter.forceClose(); - forceCloseSocket(); - } else { - if (tagWriter.isActive()) { - tagWriter.finish(); - try { - int i = 0; - boolean warned = false; - while (!tagWriter.finished() && socket.isConnected() && i <= 10) { - if (!warned) { - Log.d(Config.LOGTAG, account.getJid().toBareJid()+": waiting for tag writer to finish"); - warned = true; - } - try { - Thread.sleep(200); - } catch(InterruptedException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sleep interrupted"); - } - i++; - } - if (warned) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": tag writer has finished"); - } - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": closing stream"); - tagWriter.writeTag(Tag.end("stream:stream")); - } catch (final IOException e) { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": io exception during disconnect ("+e.getMessage()+")"); - } finally { - forceCloseSocket(); - } - } - } - } - - public void resetStreamId() { - this.streamId = null; - } - - private List<Entry<Jid, ServiceDiscoveryResult>> findDiscoItemsByFeature(final String feature) { - synchronized (this.disco) { - final List<Entry<Jid, ServiceDiscoveryResult>> items = new ArrayList<>(); - for (final Entry<Jid, ServiceDiscoveryResult> cursor : this.disco.entrySet()) { - if (cursor.getValue().getFeatures().contains(feature)) { - items.add(cursor); - } - } - return items; - } - } - - public Jid findDiscoItemByFeature(final String feature) { - final List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(feature); - if (items.size() >= 1) { - return items.get(0).getKey(); - } - return null; - } - - public boolean r() { - if (getFeatures().sm()) { - this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion)); - return true; - } else { - return false; - } - } - - public String getMucServer() { - synchronized (this.disco) { - for (final Entry<Jid, ServiceDiscoveryResult> cursor : disco.entrySet()) { - final ServiceDiscoveryResult value = cursor.getValue(); - if (value.getFeatures().contains("http://jabber.org/protocol/muc") - && !value.getFeatures().contains("jabber:iq:gateway") - && !value.hasIdentity("conference", "irc")) { - return cursor.getKey().toString(); - } - } - } - return null; - } - - public int getTimeToNextAttempt() { - final int interval = Math.min((int) (25 * Math.pow(1.3, attempt)), 300); - final int secondsSinceLast = (int) ((SystemClock.elapsedRealtime() - this.lastConnect) / 1000); - return interval - secondsSinceLast; - } - - public int getAttempt() { - return this.attempt; - } - - public Features getFeatures() { - return this.features; - } - - public long getLastSessionEstablished() { - final long diff = SystemClock.elapsedRealtime() - this.lastSessionStarted; - return System.currentTimeMillis() - diff; - } - - public long getLastConnect() { - return this.lastConnect; - } - - public long getLastPingSent() { - return this.lastPingSent; - } - - public long getLastDiscoStarted() { - return this.lastDiscoStarted; - } - public long getLastPacketReceived() { - return this.lastPacketReceived; - } - - public void sendActive() { - this.sendPacket(new ActivePacket()); - } - - public void sendInactive() { - this.sendPacket(new InactivePacket()); - } - - public void resetAttemptCount() { - this.attempt = 0; - this.lastConnect = 0; - } - - public void setInteractive(boolean interactive) { - this.mInteractive = interactive; - } - - public Identity getServerIdentity() { - return mServerIdentity; - } - - private class UnauthorizedException extends IOException { - - } - - private class SecurityException extends IOException { - - } - - private class IncompatibleServerException extends IOException { - - } - - private class StreamErrorHostUnknown extends StreamError { - - } - - private class StreamErrorPolicyViolation extends StreamError { - - } + lastDiscoStarted = SystemClock.elapsedRealtime(); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": starting service discovery"); + mXmppConnectionService.scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode()); + Element caps = streamFeatures.findChild("c"); + final String hash = caps == null ? null : caps.getAttribute("hash"); + final String ver = caps == null ? null : caps.getAttribute("ver"); + ServiceDiscoveryResult discoveryResult = null; + if (hash != null && ver != null) { + discoveryResult = mXmppConnectionService.getCachedServiceDiscoveryResult(new Pair<>(hash, ver)); + } + if (discoveryResult == null) { + sendServiceDiscoveryInfo(account.getServer()); + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server caps came from cache"); + disco.put(account.getServer(), discoveryResult); + } + sendServiceDiscoveryInfo(account.getJid().toBareJid()); + sendServiceDiscoveryItems(account.getServer()); - private class StreamError extends IOException { + if (!mWaitForDisco.get()) { + finalizeBind(); + } + this.lastSessionStarted = SystemClock.elapsedRealtime(); + } + + private void sendServiceDiscoveryInfo(final Jid jid) { + mPendingServiceDiscoveries.incrementAndGet(); + final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); + iq.setTo(jid); + iq.query("http://jabber.org/protocol/disco#info"); + this.sendIqPacket(iq, new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(final Account account, final IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.RESULT) { + boolean advancedStreamFeaturesLoaded; + synchronized (XmppConnection.this.disco) { + ServiceDiscoveryResult result = new ServiceDiscoveryResult(packet); + for (final ServiceDiscoveryResult.Identity id : result.getIdentities()) { + if (mServerIdentity == Identity.UNKNOWN && id.getType().equals("im") && + id.getCategory().equals("server") && id.getName() != null && + jid.equals(account.getServer())) { + switch (id.getName()) { + case "Prosody": + mServerIdentity = Identity.PROSODY; + break; + case "ejabberd": + mServerIdentity = Identity.EJABBERD; + break; + case "Slack-XMPP": + mServerIdentity = Identity.SLACK; + break; + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server name: " + id.getName()); + } + } + if (jid.equals(account.getServer())) { + mXmppConnectionService.databaseBackend.insertDiscoveryResult(result); + } + disco.put(jid, result); + advancedStreamFeaturesLoaded = disco.containsKey(account.getServer()) + && disco.containsKey(account.getJid().toBareJid()); + } + if (advancedStreamFeaturesLoaded && (jid.equals(account.getServer()) || jid.equals(account.getJid().toBareJid()))) { + enableAdvancedStreamFeatures(); + } + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco info for " + jid.toString()); + } + if (packet.getType() != IqPacket.TYPE.TIMEOUT) { + if (mPendingServiceDiscoveries.decrementAndGet() == 0 + && mWaitForDisco.compareAndSet(true, false)) { + finalizeBind(); + } + } + } + }); + } + + private void finalizeBind() { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": online with resource " + account.getResource()); + if (bindListener != null) { + bindListener.onBind(account); + } + changeStatus(Account.State.ONLINE); + } + + private void enableAdvancedStreamFeatures() { + if (getFeatures().carbons() && !features.carbonsEnabled) { + sendEnableCarbons(); + } + if (getFeatures().blocking() && !features.blockListRequested) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": Requesting block list"); + this.sendIqPacket(getIqGenerator().generateGetBlockList(), mXmppConnectionService.getIqParser()); + } + for (final OnAdvancedStreamFeaturesLoaded listener : advancedStreamFeaturesLoadedListeners) { + listener.onAdvancedStreamFeaturesAvailable(account); + } + } + + private void sendServiceDiscoveryItems(final Jid server) { + mPendingServiceDiscoveries.incrementAndGet(); + final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); + iq.setTo(server.toDomainJid()); + iq.query("http://jabber.org/protocol/disco#items"); + this.sendIqPacket(iq, new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(final Account account, final IqPacket packet) { + if (packet.getType() == IqPacket.TYPE.RESULT) { + final List<Element> elements = packet.query().getChildren(); + for (final Element element : elements) { + if (element.getName().equals("item")) { + final Jid jid = element.getAttributeAsJid("jid"); + if (jid != null && !jid.equals(account.getServer())) { + sendServiceDiscoveryInfo(jid); + } + } + } + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not query disco items of " + server); + } + if (packet.getType() != IqPacket.TYPE.TIMEOUT) { + if (mPendingServiceDiscoveries.decrementAndGet() == 0 + && mWaitForDisco.compareAndSet(true, false)) { + finalizeBind(); + } + } + } + }); + } + + private void sendEnableCarbons() { + final IqPacket iq = new IqPacket(IqPacket.TYPE.SET); + iq.addChild("enable", "urn:xmpp:carbons:2"); + this.sendIqPacket(iq, new OnIqPacketReceived() { + + @Override + public void onIqPacketReceived(final Account account, final IqPacket packet) { + if (!packet.hasChild("error")) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + + ": successfully enabled carbons"); + features.carbonsEnabled = true; + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + + ": error enableing carbons " + packet.toString()); + } + } + }); + } + + private void processStreamError(final Tag currentTag) + throws XmlPullParserException, IOException { + final Element streamError = tagReader.readElement(currentTag); + if (streamError == null) { + return; + } + if (streamError.hasChild("conflict")) { + final String resource = account.getResource().split("\\.")[0]; + account.setResource(resource + "." + nextRandomId()); + Log.d(Config.LOGTAG, + account.getJid().toBareJid() + ": switching resource due to conflict (" + + account.getResource() + ")"); + throw new IOException(); + } else if (streamError.hasChild("host-unknown")) { + throw new StreamErrorHostUnknown(); + } else if (streamError.hasChild("policy-violation")) { + throw new StreamErrorPolicyViolation(); + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": stream error " + streamError.toString()); + throw new StreamError(); + } + } + + private void sendStartStream() throws IOException { + final Tag stream = Tag.start("stream:stream"); + stream.setAttribute("to", account.getServer().toString()); + stream.setAttribute("version", "1.0"); + stream.setAttribute("xml:lang", "en"); + stream.setAttribute("xmlns", "jabber:client"); + stream.setAttribute("xmlns:stream", "http://etherx.jabber.org/streams"); + tagWriter.writeTag(stream); + } + + private String nextRandomId() { + return new BigInteger(50, mXmppConnectionService.getRNG()).toString(32); + } + + public String sendIqPacket(final IqPacket packet, final OnIqPacketReceived callback) { + packet.setFrom(account.getJid()); + return this.sendUnmodifiedIqPacket(packet, callback); + } + + public synchronized String sendUnmodifiedIqPacket(final IqPacket packet, final OnIqPacketReceived callback) { + if (packet.getId() == null) { + final String id = nextRandomId(); + packet.setAttribute("id", id); + } + if (callback != null) { + synchronized (this.packetCallbacks) { + packetCallbacks.put(packet.getId(), new Pair<>(packet, callback)); + } + } + this.sendPacket(packet); + return packet.getId(); + } + + public void sendMessagePacket(final MessagePacket packet) { + this.sendPacket(packet); + } + + public void sendPresencePacket(final PresencePacket packet) { + this.sendPacket(packet); + } + + private synchronized void sendPacket(final AbstractStanza packet) { + if (stanzasSent == Integer.MAX_VALUE) { + resetStreamId(); + disconnect(true); + return; + } + synchronized (this.mStanzaQueue) { + tagWriter.writeStanzaAsync(packet); + if (packet instanceof AbstractAcknowledgeableStanza) { + AbstractAcknowledgeableStanza stanza = (AbstractAcknowledgeableStanza) packet; + ++stanzasSent; + this.mStanzaQueue.append(stanzasSent, stanza); + if (stanza instanceof MessagePacket && stanza.getId() != null && getFeatures().sm()) { + if (Config.EXTENDED_SM_LOGGING) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": requesting ack for message stanza #" + stanzasSent); + } + tagWriter.writeStanzaAsync(new RequestPacket(this.smVersion)); + } + } + } + } + + public void sendPing() { + if (!r()) { + final IqPacket iq = new IqPacket(IqPacket.TYPE.GET); + iq.setFrom(account.getJid()); + iq.addChild("ping", "urn:xmpp:ping"); + this.sendIqPacket(iq, null); + } + this.lastPingSent = SystemClock.elapsedRealtime(); + } + + public void setOnMessagePacketReceivedListener( + final OnMessagePacketReceived listener) { + this.messageListener = listener; + } + + public void setOnUnregisteredIqPacketReceivedListener( + final OnIqPacketReceived listener) { + this.unregisteredIqListener = listener; + } + + public void setOnPresencePacketReceivedListener( + final OnPresencePacketReceived listener) { + this.presenceListener = listener; + } + + public void setOnJinglePacketReceivedListener( + final OnJinglePacketReceived listener) { + this.jingleListener = listener; + } + + public void setOnStatusChangedListener(final OnStatusChanged listener) { + this.statusListener = listener; + } + + public void setOnBindListener(final OnBindListener listener) { + this.bindListener = listener; + } + + public void setOnMessageAcknowledgeListener(final OnMessageAcknowledged listener) { + this.acknowledgedListener = listener; + } + + public void addOnAdvancedStreamFeaturesAvailableListener(final OnAdvancedStreamFeaturesLoaded listener) { + if (!this.advancedStreamFeaturesLoadedListeners.contains(listener)) { + this.advancedStreamFeaturesLoadedListeners.add(listener); + } + } + + public void waitForPush() { + if (tagWriter.isActive()) { + tagWriter.finish(); + new Thread(new Runnable() { + @Override + public void run() { + try { + while (!tagWriter.finished()) { + Thread.sleep(10); + } + socket.close(); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": closed tcp without closing stream"); + changeStatus(Account.State.OFFLINE); + } catch (IOException | InterruptedException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": error while closing socket for waitForPush()"); + } + } + }).start(); + } else { + forceCloseSocket(); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": closed tcp without closing stream (no waiting)"); + } + } + + private void forceCloseSocket() { + if (socket != null) { + try { + socket.close(); + } catch (IOException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": io exception " + e.getMessage() + " during force close"); + } + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": socket was null during force close"); + } + } + + public void interrupt() { + Thread.currentThread().interrupt(); + } + + public void disconnect(final boolean force) { + interrupt(); + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": disconnecting force=" + Boolean.valueOf(force)); + if (force) { + tagWriter.forceClose(); + forceCloseSocket(); + } else { + if (tagWriter.isActive()) { + tagWriter.finish(); + try { + int i = 0; + boolean warned = false; + while (!tagWriter.finished() && socket.isConnected() && i <= 10) { + if (!warned) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": waiting for tag writer to finish"); + warned = true; + } + try { + Thread.sleep(200); + } catch (InterruptedException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": sleep interrupted"); + } + i++; + } + if (warned) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": tag writer has finished"); + } + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": closing stream"); + tagWriter.writeTag(Tag.end("stream:stream")); + } catch (final IOException e) { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": io exception during disconnect (" + e.getMessage() + ")"); + } finally { + forceCloseSocket(); + } + } + } + } + + public void resetStreamId() { + this.streamId = null; + } + + private List<Entry<Jid, ServiceDiscoveryResult>> findDiscoItemsByFeature(final String feature) { + synchronized (this.disco) { + final List<Entry<Jid, ServiceDiscoveryResult>> items = new ArrayList<>(); + for (final Entry<Jid, ServiceDiscoveryResult> cursor : this.disco.entrySet()) { + if (cursor.getValue().getFeatures().contains(feature)) { + items.add(cursor); + } + } + return items; + } + } + + public Jid findDiscoItemByFeature(final String feature) { + final List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(feature); + if (items.size() >= 1) { + return items.get(0).getKey(); + } + return null; + } + + public boolean r() { + if (getFeatures().sm()) { + this.tagWriter.writeStanzaAsync(new RequestPacket(smVersion)); + return true; + } else { + return false; + } + } + + public String getMucServer() { + synchronized (this.disco) { + for (final Entry<Jid, ServiceDiscoveryResult> cursor : disco.entrySet()) { + final ServiceDiscoveryResult value = cursor.getValue(); + if (value.getFeatures().contains("http://jabber.org/protocol/muc") + && !value.getFeatures().contains("jabber:iq:gateway") + && !value.hasIdentity("conference", "irc")) { + return cursor.getKey().toString(); + } + } + } + return null; + } + + public int getTimeToNextAttempt() { + final int interval = Math.min((int) (25 * Math.pow(1.3, attempt)), 300); + final int secondsSinceLast = (int) ((SystemClock.elapsedRealtime() - this.lastConnect) / 1000); + return interval - secondsSinceLast; + } + + public int getAttempt() { + return this.attempt; + } + + public Features getFeatures() { + return this.features; + } + + public long getLastSessionEstablished() { + final long diff = SystemClock.elapsedRealtime() - this.lastSessionStarted; + return System.currentTimeMillis() - diff; + } + + public long getLastConnect() { + return this.lastConnect; + } + + public long getLastPingSent() { + return this.lastPingSent; + } + + public long getLastDiscoStarted() { + return this.lastDiscoStarted; + } + + public long getLastPacketReceived() { + return this.lastPacketReceived; + } + + public void sendActive() { + this.sendPacket(new ActivePacket()); + } - } + public void sendInactive() { + this.sendPacket(new InactivePacket()); + } - private class PaymentRequiredException extends IOException { + public void resetAttemptCount() { + this.attempt = 0; + this.lastConnect = 0; + } - } + public void setInteractive(boolean interactive) { + this.mInteractive = interactive; + } - public enum Identity { - FACEBOOK, - SLACK, - EJABBERD, - PROSODY, - NIMBUZZ, - UNKNOWN - } + public Identity getServerIdentity() { + return mServerIdentity; + } - public class Features { - XmppConnection connection; - private boolean carbonsEnabled = false; - private boolean encryptionEnabled = false; - private boolean blockListRequested = false; + private class UnauthorizedException extends IOException { - 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); - } - } + private class SecurityException extends IOException { - public boolean carbons() { - return hasDiscoFeature(account.getServer(), "urn:xmpp:carbons:2"); - } + } - public boolean blocking() { - return hasDiscoFeature(account.getServer(), Xmlns.BLOCKING); - } + private class IncompatibleServerException extends IOException { + + } + + private class StreamErrorHostUnknown extends StreamError { + + } + + private class StreamErrorPolicyViolation extends StreamError { + + } + + private class StreamError extends IOException { + + } + + private class PaymentRequiredException extends IOException { + + } + + public enum Identity { + FACEBOOK, + SLACK, + EJABBERD, + PROSODY, + NIMBUZZ, + UNKNOWN + } + + public class Features { + XmppConnection connection; + private boolean carbonsEnabled = false; + private boolean encryptionEnabled = false; + private boolean blockListRequested = false; + + public Features(final XmppConnection connection) { + this.connection = connection; + } + + private boolean hasDiscoFeature(final Jid server, final String feature) { + synchronized (XmppConnection.this.disco) { + return connection.disco.containsKey(server) && + connection.disco.get(server).getFeatures().contains(feature); + } + } + + public boolean carbons() { + return hasDiscoFeature(account.getServer(), "urn:xmpp:carbons:2"); + } + + public boolean blocking() { + return hasDiscoFeature(account.getServer(), Xmlns.BLOCKING); + } public boolean spamReporting() { return hasDiscoFeature(account.getServer(), "urn:xmpp:reporting:reason:spam:0"); } - public boolean register() { - return hasDiscoFeature(account.getServer(), Xmlns.REGISTER); - } - - public boolean sm() { - return streamId != null - || (connection.streamFeatures != null && connection.streamFeatures.hasChild("sm")); - } - - public boolean csi() { - return connection.streamFeatures != null && connection.streamFeatures.hasChild("csi", "urn:xmpp:csi:0"); - } - - public boolean pep() { - synchronized (XmppConnection.this.disco) { - ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid()); - return info != null && info.hasIdentity("pubsub", "pep"); - } - } - - public boolean pepPersistent() { - synchronized (XmppConnection.this.disco) { - ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid()); - return info != null && info.getFeatures().contains("http://jabber.org/protocol/pubsub#persistent-items"); - } - } - - public boolean mam() { - return hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:mam:0") - || hasDiscoFeature(account.getServer(), "urn:xmpp:mam:0"); - } - - public boolean push() { - return hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:push:0") - || hasDiscoFeature(account.getServer(), "urn:xmpp:push:0"); - } - - public boolean rosterVersioning() { - return connection.streamFeatures != null && connection.streamFeatures.hasChild("ver"); - } - - public void setBlockListRequested(boolean value) { - this.blockListRequested = value; - } - - public boolean httpUpload(long filesize) { - if (Config.DISABLE_HTTP_UPLOAD) { - return false; - } else { - List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD); - if (items.size() > 0) { - try { - long maxsize = Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size")); - if(filesize <= maxsize) { - return true; - } else { - Log.d(Config.LOGTAG,account.getJid().toBareJid()+": http upload is not available for files with size "+filesize+" (max is "+maxsize+")"); - return false; - } - } catch (Exception e) { - return true; - } - } else { - return false; - } - } - } - - public long getMaxHttpUploadSize() { - List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD); - if (items.size() > 0) { - try { - return Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size")); - } catch (Exception e) { - return -1; - } - } else { - return -1; - } - } + public boolean register() { + return hasDiscoFeature(account.getServer(), Xmlns.REGISTER); + } + + public boolean sm() { + return streamId != null + || (connection.streamFeatures != null && connection.streamFeatures.hasChild("sm")); + } + + public boolean csi() { + return connection.streamFeatures != null && connection.streamFeatures.hasChild("csi", "urn:xmpp:csi:0"); + } + + public boolean pep() { + synchronized (XmppConnection.this.disco) { + ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid()); + return info != null && info.hasIdentity("pubsub", "pep"); + } + } + + public boolean pepPersistent() { + synchronized (XmppConnection.this.disco) { + ServiceDiscoveryResult info = disco.get(account.getJid().toBareJid()); + return info != null && info.getFeatures().contains("http://jabber.org/protocol/pubsub#persistent-items"); + } + } + + public boolean mam() { + return hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:mam:0") + || hasDiscoFeature(account.getServer(), "urn:xmpp:mam:0"); + } + + public boolean push() { + return hasDiscoFeature(account.getJid().toBareJid(), "urn:xmpp:push:0") + || hasDiscoFeature(account.getServer(), "urn:xmpp:push:0"); + } + + public boolean rosterVersioning() { + return connection.streamFeatures != null && connection.streamFeatures.hasChild("ver"); + } + + public void setBlockListRequested(boolean value) { + this.blockListRequested = value; + } + + public boolean httpUpload(long filesize) { + if (Config.DISABLE_HTTP_UPLOAD) { + return false; + } else { + List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD); + if (items.size() > 0) { + try { + long maxsize = Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size")); + if (filesize <= maxsize) { + return true; + } else { + Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": http upload is not available for files with size " + filesize + " (max is " + maxsize + ")"); + return false; + } + } catch (Exception e) { + return true; + } + } else { + return false; + } + } + } + + public long getMaxHttpUploadSize() { + List<Entry<Jid, ServiceDiscoveryResult>> items = findDiscoItemsByFeature(Xmlns.HTTP_UPLOAD); + if (items.size() > 0) { + try { + return Long.parseLong(items.get(0).getValue().getExtendedDiscoInformation(Xmlns.HTTP_UPLOAD, "max-file-size")); + } catch (Exception e) { + return -1; + } + } else { + return -1; + } + } public boolean stanzaIds() { - return hasDiscoFeature(account.getJid().toBareJid(),Xmlns.STANZA_IDS); + return hasDiscoFeature(account.getJid().toBareJid(), Xmlns.STANZA_IDS); } - } + } - private IqGenerator getIqGenerator() { - return mXmppConnectionService.getIqGenerator(); - } + private IqGenerator getIqGenerator() { + return mXmppConnectionService.getIqGenerator(); + } } |