mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-09-28 19:00:00 +02:00
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@1811 b35dd754-fafc-0310-a699-88a17e54d16e
617 lines
23 KiB
Java
617 lines
23 KiB
Java
/**
|
|
* $RCSfile$
|
|
* $Revision$
|
|
* $Date$
|
|
*
|
|
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
|
|
* ====================================================================
|
|
* The Jive Software License (based on Apache Software License, Version 1.1)
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. The end-user documentation included with the redistribution,
|
|
* if any, must include the following acknowledgment:
|
|
* "This product includes software developed by
|
|
* Jive Software (http://www.jivesoftware.com)."
|
|
* Alternately, this acknowledgment may appear in the software itself,
|
|
* if and wherever such third-party acknowledgments normally appear.
|
|
*
|
|
* 4. The names "Smack" and "Jive Software" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please
|
|
* contact webmaster@jivesoftware.com.
|
|
*
|
|
* 5. Products derived from this software may not be called "Smack",
|
|
* nor may "Smack" appear in their name, without prior written
|
|
* permission of Jive Software.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
* ====================================================================
|
|
*/
|
|
|
|
package org.jivesoftware.smack;
|
|
|
|
import org.jivesoftware.smack.packet.*;
|
|
import org.jivesoftware.smack.packet.Error;
|
|
import org.jivesoftware.smack.filter.PacketIDFilter;
|
|
import org.jivesoftware.smack.filter.PacketFilter;
|
|
|
|
import javax.swing.*;
|
|
import java.net.*;
|
|
import java.io.*;
|
|
import java.awt.*;
|
|
|
|
/**
|
|
* Creates a connection to a XMPP (Jabber) server. A simple use of this API might
|
|
* look like the following:
|
|
* <pre>
|
|
* // Create a connection to the jivesoftware.com XMPP server.
|
|
* XMPPConnection con = new XMPPConnection("jivesoftware.com");
|
|
* // Most servers require you to login before performing other tasks.
|
|
* con.login("jsmith", "mypass");
|
|
* // Start a new conversation with John Doe and send him a message.
|
|
* Chat chat = new Chat("jdoe@jabber.org");
|
|
* chat.sendMessage("Hey, how's it going?");
|
|
* </pre>
|
|
*
|
|
* Every connection has a PacketReader and PacketWriter instance, which are used
|
|
* to read and write XML with the server.
|
|
*
|
|
* @author Matt Tucker
|
|
*/
|
|
public class XMPPConnection {
|
|
|
|
private static final String NEWLINE = System.getProperty("line.separator");
|
|
|
|
/**
|
|
* Value that indicates whether debugging is enabled. When enabled, a debug
|
|
* window will apear for each new connection that will contain the following
|
|
* information:<ul>
|
|
* <li> Client Traffic -- raw XML traffic generated by Smack and sent to the server.
|
|
* <li> Server Traffic -- raw XML traffic sent by the server to the client.
|
|
* <li> Interpreted Packets -- shows XML packets from the server as parsed by Smack.
|
|
* </ul>
|
|
*
|
|
* Debugging can be enabled by setting this field to true, or by setting the Java system
|
|
* property <tt>smack.debugEnabled</tt> to true. The system property can be set on the
|
|
* command line such as "java SomeApp -Dsmack.debugEnabled=true".
|
|
*/
|
|
public static boolean DEBUG_ENABLED = Boolean.getBoolean("smack.debugEnabled");
|
|
|
|
protected String host;
|
|
protected int port;
|
|
protected Socket socket;
|
|
|
|
String connectionID;
|
|
private boolean connected = false;
|
|
|
|
private PacketWriter packetWriter;
|
|
private PacketReader packetReader;
|
|
|
|
Writer writer;
|
|
Reader reader;
|
|
|
|
/**
|
|
* Constructor for use by classes extending this one.
|
|
*/
|
|
protected XMPPConnection() {
|
|
|
|
}
|
|
|
|
/**
|
|
* Creates a new connection to the specified Jabber server. The default port of 5222 will
|
|
* be used.
|
|
*
|
|
* @param host the name of the jabber server to connect to; e.g. <tt>jivesoftware.com</tt>.
|
|
* @throws XMPPException if an error occurs while trying to establish a connection.
|
|
*/
|
|
public XMPPConnection(String host) throws XMPPException {
|
|
this(host, 5222);
|
|
}
|
|
|
|
/**
|
|
* Creates a new connection to the to the specified Jabber server on the given port.
|
|
*
|
|
* @param host the name of the jabber server to connect to; e.g. <tt>jivesoftware.com</tt>.
|
|
* @param port the port on the server that should be used; e.g. <tt>5222</tt>.
|
|
* @throws XMPPException if an error occurs while trying to establish a connection.
|
|
*/
|
|
public XMPPConnection(String host, int port) throws XMPPException {
|
|
this.host = host;
|
|
this.port = port;
|
|
try {
|
|
this.socket = new Socket(host, port);
|
|
}
|
|
catch (UnknownHostException uhe) {
|
|
throw new XMPPException("Could not connect to " + host + ":" + port + ".", uhe);
|
|
}
|
|
catch (IOException ioe) {
|
|
throw new XMPPException("Error connecting to " + host + ":" + port + ".", ioe);
|
|
}
|
|
init();
|
|
}
|
|
|
|
/**
|
|
* Returns the connection ID for this connection, which is the value set by the server
|
|
* when opening a Jabber stream. If the server does not set a connection ID, this value
|
|
* will be null.
|
|
*
|
|
* @return the ID of this connection returned from the Jabber server.
|
|
*/
|
|
public String getConnectionID() {
|
|
return connectionID;
|
|
}
|
|
|
|
/**
|
|
* Returns the host name of the Jabber server for this connection.
|
|
*
|
|
* @return the host name of the Jabber server.
|
|
*/
|
|
public String getHost() {
|
|
return host;
|
|
}
|
|
|
|
/**
|
|
* Returns the port number of the XMPP server for this connection. The default port
|
|
* for normal connections is 5222. The default port for SSL connections is 5223.
|
|
*
|
|
* @return the port number of the Jabber server.
|
|
*/
|
|
public int getPort() {
|
|
return port;
|
|
}
|
|
|
|
/**
|
|
* Logs in to the server using the strongest authentication mode supported by
|
|
* the server, then set our presence to available. If more than five seconds
|
|
* elapses in each step of the authentication process without a response from
|
|
* the server, or if an error occurs, a XMPPException will be thrown.
|
|
*
|
|
* @param username the username.
|
|
* @param password the password.
|
|
* @throws XMPPException if an error occurs.
|
|
*/
|
|
public void login(String username, String password) throws XMPPException {
|
|
login(username, password, "Smack");
|
|
}
|
|
|
|
/**
|
|
* Logs in to the server using the strongest authentication mode supported by
|
|
* the server, then set our presence to available. If more than five seconds
|
|
* elapses in each step of the authentication process without a response from
|
|
* the server, or if an error occurs, a XMPPException will be thrown.
|
|
*
|
|
* @param username the username.
|
|
* @param password the password.
|
|
* @param resource the resource.
|
|
* @throws XMPPException if an error occurs.
|
|
*/
|
|
public synchronized void login(String username, String password, String resource)
|
|
throws XMPPException
|
|
{
|
|
if (!isConnected()) {
|
|
throw new IllegalStateException("Not connected to server.");
|
|
}
|
|
// If we send an authentication packet in "get" mode with just the username,
|
|
// the server will return the list of authentication protocols it supports.
|
|
Authentication discoveryAuth = new Authentication();
|
|
discoveryAuth.setType(IQ.Type.GET);
|
|
discoveryAuth.setUsername(username);
|
|
|
|
PacketCollector collector = packetReader.createPacketCollector(
|
|
new PacketIDFilter(discoveryAuth.getPacketID()));
|
|
// Send the packet
|
|
packetWriter.sendPacket(discoveryAuth);
|
|
// Wait up to five seconds for a response from the server.
|
|
Authentication authTypes = (Authentication)collector.nextResult(5000);
|
|
collector.cancel();
|
|
if (authTypes == null || authTypes.getType().equals(IQ.Type.ERROR)) {
|
|
throw new XMPPException("No response from the server.");
|
|
}
|
|
|
|
|
|
// Now, create the authentication packet we'll send to the server.
|
|
Authentication auth = new Authentication();
|
|
auth.setUsername(username);
|
|
|
|
// Figure out if we should use digest or plain text authentication.
|
|
if (authTypes.getDigest() != null) {
|
|
auth.setDigest(connectionID, password);
|
|
}
|
|
else if (authTypes.getPassword() != null) {
|
|
auth.setPassword(password);
|
|
}
|
|
else {
|
|
throw new XMPPException("Server does not support compatible authentication mechanism.");
|
|
}
|
|
|
|
auth.setResource(resource);
|
|
|
|
collector = packetReader.createPacketCollector(
|
|
new PacketIDFilter(auth.getPacketID()));
|
|
// Send the packet.
|
|
packetWriter.sendPacket(auth);
|
|
// Wait up to five seconds for a response from the server.
|
|
IQ response = (IQ)collector.nextResult(5000);
|
|
if (response == null) {
|
|
throw new XMPPException("Authentication failed.");
|
|
}
|
|
else if (response.getType() == IQ.Type.ERROR) {
|
|
if (response.getError() == null) {
|
|
throw new XMPPException("Authentication failed.");
|
|
}
|
|
else {
|
|
Error error = response.getError();
|
|
String msg = "Authentication failed -- " + error.getCode();
|
|
if (error.getMessage() != null) {
|
|
msg += ": " + error.getMessage();
|
|
}
|
|
throw new XMPPException(msg);
|
|
}
|
|
}
|
|
// We're done with the collector, so explicitly cancel it.
|
|
collector.cancel();
|
|
// Set presence to online.
|
|
packetWriter.sendPacket(new Presence(Presence.Type.AVAILABLE));
|
|
}
|
|
|
|
/**
|
|
* Creates a new chat with the specified participant. The participant should
|
|
* be a valid Jabber user such as <tt>jdoe@jivesoftware.com</tt> or
|
|
* <tt>jdoe@jivesoftware.com/work</tt>.
|
|
*
|
|
* @param participant the person to start the conversation with.
|
|
* @return a new Chat object.
|
|
*/
|
|
public Chat createChat(String participant) {
|
|
if (!isConnected()) {
|
|
throw new IllegalStateException("Not connected to server.");
|
|
}
|
|
return new Chat(this, participant);
|
|
}
|
|
|
|
/**
|
|
* Creates a new group chat connected to the specified room. The room name
|
|
* should be a valid conference id, such as <tt>chatroom@jivesoftware.com</tt>.
|
|
*
|
|
* @param room the name of the room.
|
|
* @return a new GroupChat object.
|
|
*/
|
|
public GroupChat createGroupChat(String room) {
|
|
if (!isConnected()) {
|
|
throw new IllegalStateException("Not connected to server.");
|
|
}
|
|
return new GroupChat(this, room);
|
|
}
|
|
|
|
/**
|
|
* Returns true if currently connected to the Jabber server.
|
|
*
|
|
* @return true if connected.
|
|
*/
|
|
public boolean isConnected() {
|
|
return connected;
|
|
}
|
|
|
|
/**
|
|
* Closes the connection by setting presence to unavailable then closing the stream to
|
|
* the XMPP server. Once a connection has been closed, it cannot be re-opened.
|
|
*/
|
|
public void close() {
|
|
// Set presence to offline.
|
|
packetWriter.sendPacket(new Presence(Presence.Type.UNAVAILABLE));
|
|
packetWriter.shutdown();
|
|
packetReader.shutdown();
|
|
try {
|
|
socket.close();
|
|
}
|
|
catch (Exception e) { }
|
|
connected = false;
|
|
}
|
|
|
|
/**
|
|
* Sends the specified packet to the server.
|
|
*
|
|
* @param packet the packet to send.
|
|
*/
|
|
public void sendPacket(Packet packet) {
|
|
if (!isConnected()) {
|
|
throw new IllegalStateException("Not connected to server.");
|
|
}
|
|
packetWriter.sendPacket(packet);
|
|
}
|
|
|
|
/**
|
|
* Registers a packet listener with this connection. A packet filter determines
|
|
* which packets will be delivered to the listener.
|
|
*
|
|
* @param packetListener the packet listener to notify of new packets.
|
|
* @param packetFilter the packet filter to use.
|
|
*/
|
|
public void addPacketListener(PacketListener packetListener, PacketFilter packetFilter) {
|
|
if (!isConnected()) {
|
|
throw new IllegalStateException("Not connected to server.");
|
|
}
|
|
packetReader.addPacketListener(packetListener, packetFilter);
|
|
}
|
|
|
|
/**
|
|
* Removes a packet listener from this connection.
|
|
*
|
|
* @param packetListener the packet listener to remove.
|
|
*/
|
|
public void removePacketListener(PacketListener packetListener) {
|
|
packetReader.removePacketListener(packetListener);
|
|
}
|
|
|
|
/**
|
|
* Creates a new packet collector for this connection. A packet filter determines
|
|
* which packets will be accumulated by the collector.
|
|
*
|
|
* @param packetFilter the packet filter to use.
|
|
* @return a new packet collector.
|
|
*/
|
|
public PacketCollector createPacketCollector(PacketFilter packetFilter) {
|
|
return packetReader.createPacketCollector(packetFilter);
|
|
}
|
|
|
|
/**
|
|
* Initializes the connection by creating a packet reader and writer and opening a
|
|
* Jabber stream to the server.
|
|
*
|
|
* @throws XMPPException if establishing a connection to the server fails.
|
|
*/
|
|
void init() throws XMPPException {
|
|
try {
|
|
reader = new InputStreamReader(socket.getInputStream(), "UTF-8");
|
|
writer = new OutputStreamWriter(socket.getOutputStream(), "UTF-8");
|
|
}
|
|
catch (IOException ioe) {
|
|
throw new XMPPException("Error establishing connection with server.", ioe);
|
|
}
|
|
|
|
// If debugging is enabled, we open a window and write out all network traffic.
|
|
// The method that creates the debug GUI returns PacketListener that we must add
|
|
// after the packet reader and writer are created.
|
|
PacketListener debugListener = null;
|
|
if (DEBUG_ENABLED) {
|
|
debugListener = createDebug();
|
|
}
|
|
|
|
packetWriter = new PacketWriter(this);
|
|
packetReader = new PacketReader(this);
|
|
|
|
// If debugging is enabled, we should start the thread that will listen for
|
|
// all packets and then log them.
|
|
if (DEBUG_ENABLED) {
|
|
packetReader.addPacketListener(debugListener, null);
|
|
}
|
|
// Start the packet writer. This will open a Jabber stream to the server
|
|
packetWriter.startup();
|
|
// Start the packet reader. The startup() method will block until we
|
|
// get an opening stream packet back from server.
|
|
packetReader.startup();
|
|
|
|
// Make note of the fact that we're now connected.
|
|
connected = true;
|
|
}
|
|
|
|
/**
|
|
* Creates the debug process, which is a GUI window that displays XML traffic.
|
|
* This method must be called before the packet reader and writer are created because
|
|
* it wraps the reader and writer objects with special logging implementations.
|
|
* The method returns a PacketListner that must be added after the packet reader is
|
|
* created.
|
|
*
|
|
* @return a PacketListener used by the debugging process that must be added after the packet
|
|
* reader is created.
|
|
*/
|
|
private PacketListener createDebug() {
|
|
// Use the native look and feel.
|
|
try {
|
|
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
|
|
}
|
|
catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
|
|
JFrame frame = new JFrame("Smack Debug Window -- " + getHost() + ":" + getPort());
|
|
|
|
// We'll arrange the UI into four tabs. The first tab contains all data, the second
|
|
// client generated XML, the third server generated XML, and the fourth is packet
|
|
// data from the server as seen by Smack.
|
|
JTabbedPane tabbedPane = new JTabbedPane();
|
|
|
|
JPanel allPane = new JPanel();
|
|
allPane.setLayout(new GridLayout(3, 1));
|
|
tabbedPane.add("All", allPane);
|
|
|
|
// Create UI elements for client generated XML traffic.
|
|
final JTextArea sentText1 = new JTextArea();
|
|
final JTextArea sentText2 = new JTextArea();
|
|
sentText1.setEditable(false);
|
|
sentText2.setEditable(false);
|
|
sentText1.setForeground(new Color(112, 3, 3));
|
|
sentText2.setForeground(new Color(112, 3, 3));
|
|
allPane.add(new JScrollPane(sentText1));
|
|
tabbedPane.add("Client", new JScrollPane(sentText2));
|
|
|
|
// Create UI elements for server generated XML traffic.
|
|
final JTextArea receivedText1 = new JTextArea();
|
|
final JTextArea receivedText2 = new JTextArea();
|
|
receivedText1.setEditable(false);
|
|
receivedText2.setEditable(false);
|
|
receivedText1.setForeground(new Color(6, 76, 133));
|
|
receivedText2.setForeground(new Color(6, 76, 133));
|
|
allPane.add(new JScrollPane(receivedText1));
|
|
tabbedPane.add("Server", new JScrollPane(receivedText2));
|
|
|
|
// Create UI elements for interpreted XML traffic.
|
|
final JTextArea interpretedText1 = new JTextArea();
|
|
final JTextArea interpretedText2 = new JTextArea();
|
|
interpretedText1.setEditable(false);
|
|
interpretedText2.setEditable(false);
|
|
interpretedText1.setForeground(new Color(1, 94, 35));
|
|
interpretedText2.setForeground(new Color(1, 94, 35));
|
|
allPane.add(new JScrollPane(interpretedText1));
|
|
tabbedPane.add("Interpreted Packets", new JScrollPane(interpretedText2));
|
|
|
|
frame.getContentPane().add(tabbedPane);
|
|
|
|
frame.setSize(550, 400);
|
|
frame.show();
|
|
|
|
// Create a special Reader that wraps the main Reader and logs data to the GUI.
|
|
Reader debugReader = new Reader() {
|
|
|
|
Reader myReader = reader;
|
|
|
|
public int read(char cbuf[], int off, int len) throws IOException {
|
|
int count = myReader.read(cbuf, off, len);
|
|
if (count > 0) {
|
|
String str = new String(cbuf, off, count);
|
|
receivedText1.append(str);
|
|
receivedText2.append(str);
|
|
if (str.endsWith(">")) {
|
|
receivedText1.append(NEWLINE);
|
|
receivedText2.append(NEWLINE);
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
myReader.close();
|
|
}
|
|
|
|
public int read() throws IOException {
|
|
return myReader.read();
|
|
}
|
|
|
|
public int read(char cbuf[]) throws IOException {
|
|
return myReader.read(cbuf);
|
|
}
|
|
|
|
public long skip(long n) throws IOException {
|
|
return myReader.skip(n);
|
|
}
|
|
|
|
public boolean ready() throws IOException {
|
|
return myReader.ready();
|
|
}
|
|
|
|
public boolean markSupported() {
|
|
return myReader.markSupported();
|
|
}
|
|
|
|
public void mark(int readAheadLimit) throws IOException {
|
|
myReader.mark(readAheadLimit);
|
|
}
|
|
|
|
public void reset() throws IOException {
|
|
myReader.reset();
|
|
}
|
|
};
|
|
|
|
// Create a special Writer that wraps the main Writer and logs data to the GUI.
|
|
Writer debugWriter = new Writer() {
|
|
|
|
Writer myWriter = writer;
|
|
|
|
public void write(char cbuf[], int off, int len) throws IOException {
|
|
myWriter.write(cbuf, off, len);
|
|
String str = new String(cbuf, off, len);
|
|
sentText1.append(str);
|
|
sentText2.append(str);
|
|
if (str.endsWith(">")) {
|
|
sentText1.append(NEWLINE);
|
|
sentText2.append(NEWLINE);
|
|
}
|
|
}
|
|
|
|
public void flush() throws IOException {
|
|
myWriter.flush();
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
myWriter.close();
|
|
}
|
|
|
|
public void write(int c) throws IOException {
|
|
myWriter.write(c);
|
|
}
|
|
|
|
public void write(char cbuf[]) throws IOException {
|
|
myWriter.write(cbuf);
|
|
String str = new String(cbuf);
|
|
sentText1.append(str);
|
|
sentText2.append(str);
|
|
if (str.endsWith(">")) {
|
|
sentText1.append(NEWLINE);
|
|
sentText2.append(NEWLINE);
|
|
}
|
|
}
|
|
|
|
public void write(String str) throws IOException {
|
|
myWriter.write(str);
|
|
sentText1.append(str);
|
|
sentText2.append(str);
|
|
if (str.endsWith(">")) {
|
|
sentText1.append(NEWLINE);
|
|
sentText2.append(NEWLINE);
|
|
}
|
|
}
|
|
|
|
public void write(String str, int off, int len) throws IOException {
|
|
myWriter.write(str, off, len);
|
|
str = str.substring(off, off + len);
|
|
sentText1.append(str);
|
|
sentText2.append(str);
|
|
if (str.endsWith(">")) {
|
|
sentText1.append(NEWLINE);
|
|
sentText2.append(NEWLINE);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Assign the reader/writer objects to use the debug versions. The packet reader
|
|
// and writer will use the debug versions when they are created.
|
|
reader = debugReader;
|
|
writer = debugWriter;
|
|
|
|
// Create a thread that will listen for all incoming packets and write them to
|
|
// the GUI. This is what we call "interpreted" packet data, since it's the packet
|
|
// data as Smack sees it and not as it's coming in as raw XML.
|
|
PacketListener debugListener = new PacketListener() {
|
|
public void processPacket(Packet packet) {
|
|
interpretedText1.append(packet.toXML());
|
|
interpretedText2.append(packet.toXML());
|
|
interpretedText1.append(NEWLINE);
|
|
interpretedText2.append(NEWLINE);
|
|
}
|
|
};
|
|
return debugListener;
|
|
}
|
|
}
|