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Structr is an open source framework based on the popular Neo4j graph database.
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/**
* Copyright (C) 2010-2016 Structr GmbH
*
* This file is part of Structr .
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see connections = new HashMap<>();
private static final Map typeHandlers = new HashMap<>();
static {
typeHandlers.put(Bind.class.getName(), new BindTypeHandler());
typeHandlers.put(RosterPacket.class.getName(), new RosterPacketTypeHandler());
typeHandlers.put(Presence.class.getName(), new PresenceTypeHandler());
typeHandlers.put(Message.class.getName(), new MessageTypeHandler());
typeHandlers.put(EmptyResultIQ.class.getName(), new EmptyResultIQTypeHandler());
}
static {
Services.getInstance().registerInitializationCallback(new InitializationCallback() {
@Override
public void initializationDone() {
final App app = StructrApp.getInstance();
try (final Tx tx = app.tx()) {
for (final XMPPClient client : app.nodeQuery(XMPPClient.class).getAsList()) {
client.setProperty(XMPPClient.isConnected, false);
// enable clients on startup
if (client.getProperty(XMPPClient.isEnabled)) {
XMPPContext.connect(client);
}
}
tx.success();
} catch (Throwable t) {
logger.log(Level.WARNING, "", t);
}
}
});
}
public static void connect(final XMPPInfo callback) throws FrameworkException {
new Java7SmackInitializer().initialize();
final XMPPTCPConnectionConfiguration config = XMPPTCPConnectionConfiguration.builder()
.setUsernameAndPassword(callback.getUsername(), callback.getPassword())
.setSecurityMode(ConnectionConfiguration.SecurityMode.ifpossible)
// .setSecurityMode(ConnectionConfiguration.SecurityMode.disabled)
.setServiceName(callback.getService())
.setHost(callback.getHostName())
.setPort(callback.getPort())
.build();
try {
final AbstractXMPPConnection connection = new XMPPTCPConnection(config);
connections.put(callback.getUuid(), new StructrXMPPConnection(callback, connection));
connection.connect();
} catch (IOException | SmackException | XMPPException ex) {
logger.log(Level.WARNING, "", ex);
}
}
public static XMPPClientConnection getClientForId(final String id) {
return connections.get(id);
}
public static class StructrXMPPConnection implements ConnectionListener, XMPPClientConnection, StanzaListener {
private AbstractXMPPConnection connection = null;
private Exception exception = null;
private boolean isAuthenticated = false;
private boolean isConnected = false;
private String name = null;
private String uuid = null;
private String resource = null;
private String jid = null;
public StructrXMPPConnection(final XMPPInfo info, final AbstractXMPPConnection connection) {
this.connection = connection;
this.uuid = info.getUuid();
this.name = info.getUsername() + "@" + info.getHostName();
connection.addConnectionListener(this);
connection.addAsyncStanzaListener(this, ForEveryStanza.INSTANCE);
}
@Override
public void sendMessage(final String recipient, final String message) throws FrameworkException {
if (isConnected) {
try {
final Message messageObject = new Message(recipient);
messageObject.setBody(message);
connection.sendStanza(messageObject);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void sendChatMessage(final String chatRoom, final String message, final String password) throws FrameworkException {
if (isConnected) {
try {
final MultiUserChatManager manager = MultiUserChatManager.getInstanceFor(connection);
if (manager != null) {
final MultiUserChat chat = manager.getMultiUserChat(chatRoom);
if (chat != null) {
// join chat first
if (!chat.isJoined()) {
chat.join(name, password);
}
chat.sendMessage(message);
}
}
} catch (XMPPErrorException | SmackException ex) {
throw new FrameworkException(422, "Connection error: " + ex.getMessage());
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void joinChat(final String chatRoom, final String nickname, final String password) throws FrameworkException {
if (isConnected) {
try {
final MultiUserChatManager manager = MultiUserChatManager.getInstanceFor(connection);
if (manager != null) {
final MultiUserChat chat = manager.getMultiUserChat(chatRoom);
if (chat != null) {
final DiscussionHistory history = new DiscussionHistory();
final long timeout = TimeUnit.SECONDS.toMillis(10);
history.setMaxChars(0);
history.setMaxStanzas(0);
if (password != null) {
chat.join(nickname, password, history, timeout);
} else {
chat.join(nickname, "", history, timeout);
}
}
}
} catch (XMPPErrorException | SmackException ex) {
throw new FrameworkException(422, "Connection error: " + ex.getMessage());
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void setPresence(final Mode mode) throws FrameworkException {
if (isConnected) {
try {
final Presence presence = new Presence(Presence.Type.available);
presence.setMode(mode);
connection.sendStanza(presence);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void subscribe(final String to) throws FrameworkException {
if (isConnected) {
try {
final Presence presence = new Presence(Presence.Type.subscribe);
presence.setTo(to);
connection.sendStanza(presence);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void confirmSubscription(final String subscriber) throws FrameworkException {
if (isConnected) {
try {
final Presence presence = new Presence(Presence.Type.subscribed);
presence.setTo(subscriber);
connection.sendStanza(presence);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void denySubscription(final String subscriber) throws FrameworkException {
if (isConnected) {
try {
final Presence presence = new Presence(Presence.Type.unsubscribed);
presence.setTo(subscriber);
connection.sendStanza(presence);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public void unsubscribe(final String to) throws FrameworkException {
if (isConnected) {
try {
final Presence presence = new Presence(Presence.Type.unsubscribe);
presence.setTo(to);
connection.sendStanza(presence);
} catch (NotConnectedException nex) {
throw new FrameworkException(422, "Not connected");
}
} else {
throw new FrameworkException(422, "Not connected");
}
}
@Override
public Exception getException() {
return exception;
}
@Override
public boolean isConnected() {
return isConnected;
}
@Override
public boolean isAuthenticated() {
return isAuthenticated;
}
@Override
public void disconnect() {
if (isConnected) {
connection.disconnect();
}
}
public String getUuid() {
return uuid;
}
public void setJID(final String jid) {
this.jid = jid;
}
public void setResource(final String resource) {
this.resource = resource;
}
// ----- interface ConnectionListener -----
@Override
public void connected(final XMPPConnection xmppc) {
isConnected = true;
try {
connection.login();
} catch (Exception ex) {
logger.log(Level.WARNING, "", ex);
}
}
@Override
public void authenticated(final XMPPConnection xmppc, final boolean resumed) {
isAuthenticated = true;
}
@Override
public void connectionClosed() {
isConnected = false;
}
@Override
public void connectionClosedOnError(final Exception excptn) {
isConnected = false;
this.exception = excptn;
}
@Override
public void reconnectionSuccessful() {
isConnected = true;
}
@Override
public void reconnectingIn(final int i) {
}
@Override
public void reconnectionFailed(final Exception excptn) {
isConnected = false;
this.exception = excptn;
}
@Override
public void processPacket(final Stanza packet) throws NotConnectedException {
final TypeHandler handler = typeHandlers.get(packet.getClass().getName());
if (handler != null) {
handler.handle(this, packet);
} else {
logger.log(Level.WARNING, "No type handler for type {0}", packet.getClass().getName());
}
}
}
}
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