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1 import java.awt.*;
2 import java.awt.event.*;
3 import java.awt.image.ImageObserver  ;
4 import java.io.*;
5 import javax.swing.*;
6 import javax.accessibility.Accessible ;
7 import java.util.*;
8 import org.jivesoftware.smack.*;
9 import org.jivesoftware.smack.packet.*;
10 import org.jivesoftware.smack.util.StringUtils;
11 import whisper.*;
12
13
14
15 public final class ChatPanel extends JPanel implements Accessible , ImageObserver , MenuContainer, Serializable, WMP{
16
17 private static final int GAP=10;
18
19 final JPanel withPanel=new JPanel(new GridLayout(2,1,GAP,GAP));
20 final JLabel withLbl=new JLabel();
21 final JLabel statLbl=new JLabel(Lang.gs("chat encrypted"),Icons.PADLOCK,SwingConstants.LEFT);
22
23 final JEditorPane chatTextPane=new JEditorPane();
24 final JScrollPane chatTextPaneSP=new JScrollPane(chatTextPane);
25 final JScrollBar sb=chatTextPaneSP.getVerticalScrollBar();
26
27 final JPanel bottomPanel=new JPanel(new GridLayout(2,1,GAP,GAP));
28 final JPanel writePanel=new JPanel(new BorderLayout(GAP,GAP));
29 final JTextArea text=new JTextArea(1,25);
30 final JScrollPane textSP=new JScrollPane(text);
31 final JButton sendBtn=new JButton(Lang.gs("send"),Icons.SEND);
32
33 final JPanel btnPanel=new JPanel(new FlowLayout(FlowLayout.RIGHT,0,0));
34 final JButton saveBtn=new JButton(Lang.gs("save"),Icons.SAVE);
35 final JButton closeBtn=new JButton(Lang.gs("close"),Icons.CLOSE);
36
37 final BtnClick click=new BtnClick();
38
39 final JPanel thisPanel=this;
40
41 private String ChatText="";
42 private final String Me=Lang.gs("me");
43 private Chat chat=null;
44 private boolean isEncrypting=true;
45 private SessionKey mySK=null;
46 private SessionKey theirSK=null;
47 private PublicKey theirKey=null;
48 private int messageCount=0;
49 private final int SK_USE_LIMIT=17;
50 public final String Name;
51 private String ID;
52
53 private final String HEADER=GUI.getHeader();
54
55 public ChatPanel(String name, String id, Chat chat, boolean isencrypting, String date){
56 super(new BorderLayout(GAP,GAP));
57 this.chat=chat;
58 this.isEncrypting=isencrypting;
59 this.Name=name;
60 this.ID=id;
61
62 withLbl.setText(Lang.gs("chatting with")+name);
63 withLbl.setToolTipText(Lang.gs("chatting with")+id);
64 if(!isEncrypting){
65 statLbl.setText(Lang.gs("chat not encrypted"));
66 statLbl.setIcon(Icons.WARNING);
67 statLbl.setToolTipText(Lang.gs("chat no key"));
68 }
69 else{
70 theirKey=(PublicKey) WhisperIM.MainWindow.Keys.get("jabber"+StringUtils.parseBareAddress(id));
71 if(theirKey==null){
72 if(WhisperIM.MainWindow.hasNoKey("jabber",StringUtils.parseBareAddress(id))){
74 isEncrypting=false;
75 }
76 else{
77 try{
78 theirKey=WhisperIM.MainWindow.getKey("jabber",StringUtils.parseBareAddress(id));
79 }
80 catch(Exception e){
81 isEncrypting=false;
82 }
83 }
84 }
85 if(theirKey==null){ isEncrypting=false;
87 statLbl.setText(Lang.gs("chat not encrypted"));
88 statLbl.setIcon(Icons.WARNING);
89 statLbl.setToolTipText(Lang.gs("chat no key"));
90 }
91 else{
92 mySK=new SessionKey(WhisperIM.SR);
93 }
94 }
95 withPanel.add(withLbl);
96 withPanel.add(statLbl);
97 add(withPanel,BorderLayout.NORTH);
98
99 chatTextPane.setEditable(false);
101 chatTextPane.setContentType("text/html");
102 java.net.URL base=null;
103 try{
104 base=(new File(".")).toURL();
105 ((javax.swing.text.html.HTMLDocument )chatTextPane.getDocument()).setBase(base);
106 }
107 catch (Exception e){
108 }
110 announce(Lang.gs("chat started"),date);
111 GUI.setScrollBars(chatTextPaneSP);
112 add(chatTextPaneSP,BorderLayout.CENTER);
113 text.setLineWrap(true);
115 text.setWrapStyleWord(true);
116 textSP.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
117 if(WhisperIM.isMac){
118 textSP.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
119 }
120 else{
121 textSP.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
122 }
123
124 sendBtn.addActionListener(click);
128 sendBtn.setMnemonic(Lang.s2k("send_mn"));
129 sendBtn.setToolTipText(Lang.gs("chat send_tt"));
130 writePanel.add(textSP,BorderLayout.CENTER);
131 writePanel.add(sendBtn,BorderLayout.EAST);
132
133 saveBtn.addActionListener(click);
134 saveBtn.setToolTipText(Lang.gs("chat save_tt"));
135 btnPanel.add(saveBtn);
136 btnPanel.add(Box.createHorizontalStrut(GAP));
137
138 closeBtn.addActionListener(click);
139 closeBtn.setMnemonic(Lang.s2k("close_mn"));
140 closeBtn.setToolTipText(Lang.gs("chat close_tt"));
141 btnPanel.add(closeBtn);
142
143 bottomPanel.add(writePanel);
144 bottomPanel.add(btnPanel);
145 add(bottomPanel,BorderLayout.SOUTH);
146
147 sendBtn.setDefaultCapable(true);
148 chat.addMessageListener(new newMsgListener());
149 getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(WhisperIM.HELP_KEY,0),"help"); getActionMap().put("help",new HelpAction(this,"messages.html#chat"));
152 text.getInputMap(WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,0),"send_messge");
154 text.getActionMap().put("send_messge", new EnterAction());
155 saveBtn.setVisible(false); }
157
158
159 public void process(String msg, String time){
160 if(!isEncrypting){
161 ChatText=ChatText+"<font color='"+MUCPanel.theirColours[0]+"'>"+time+" "+Name+"</font> "+Convert.text(msg)+"<br>";
162 chatTextPane.setText(HEADER+ChatText+GUI.FOOTER);
163 sb.setValue(sb.getMaximum());
164 return;
165 }
166 (new ProcessEncryptedMessage(msg)).start();
167 }
168
169 public void doSend(){
170 if(!isEncrypting){
171 try{
172 chat.sendMessage(text.getText());
173 }
174 catch(XMPPException xe){
175 GUI.showError(this,"error","error",null,xe);
176 return;
177 }
178 ChatText=ChatText+"<font color='"+MUCPanel.myColour+"'>"+GUI.getTime()+" "+Me+"</font> "+Convert.text(text.getText())+"<br>";
179 text.setText("");
180 text.requestFocus();
181 chatTextPane.setText(HEADER+ChatText+GUI.FOOTER);
182 sb.setValue(sb.getMaximum());
183 return;
184 }
185 text.setEditable(false);
186 sendBtn.setEnabled(false);
187 (new SendEncryptedMessage()).start();
188 }
189
190 public void doSentEncryptedMessage(){
191 ChatText=ChatText+"<font color='"+MUCPanel.myColour+"'>"+GUI.getTime()+" "+Me+"</font> "+Convert.text(text.getText())+"<br>";
192 text.setText("");
193 sendBtn.setEnabled(true);
194 text.setEditable(true);
195 text.requestFocus();
196 chatTextPane.setText(HEADER+ChatText+GUI.FOOTER);
197 sb.setValue(sb.getMaximum());
198 }
199
200 public void doClose(){
201 text.setText("");
202 chatTextPane.setText("<html></html>");
203 ChatText="";
204 ChatText=null;
205 WhisperIM.MainWindow.Chats.remove("jabber"+StringUtils.parseBareAddress(ID));
206 WhisperIM.MainWindow.chatPane.remove(thisPanel);
207 chat=null;
208 }
209
210 public void announce(String txt, String time){
211 ChatText=ChatText+"<font color='"+MUCPanel.announceColour+"'>"+time+" "+txt+"</font><br>";
212 chatTextPane.setText(HEADER+ChatText+GUI.FOOTER);
213 sb.setValue(sb.getMaximum());
214 }
215
216 public void goneOffline(){
217 sendBtn.setEnabled(false);
218 announce("* "+Lang.gs("disconnected")+" *",GUI.getTime());
219 if(isEncrypting){
220 mySK.wipe();
221 }
222 }
223
224 public void goneOnline(){
225 chat=new Chat(WhisperIM.MainWindow.Conn,ID);
226 if(isEncrypting){
227 mySK=new SessionKey(WhisperIM.SR);
228 messageCount=0;
229 }
230 announce("* "+Lang.gs("reconnected")+" *",GUI.getTime());
231 chat.addMessageListener(new newMsgListener());
232 sendBtn.setEnabled(true);
233 }
234
235 public void doFocus(){
236 text.requestFocusInWindow();
237 }
238
239 public JButton getDefaultButton(){
240 return sendBtn;
241 }
242
243 final class BtnClick implements ActionListener{
244 public void actionPerformed(ActionEvent ae){
245 String b=ae.getActionCommand();
247 if(b.equals(closeBtn.getText())){
249 doClose();
250 return;
251 }
252 if(b.equals(sendBtn.getText())){
253 if(text.getText().equals("")){
254 text.requestFocus();
255 return;
256 }
257 doSend();
258 return;
259 }
260 }
261 }
262
263 final class newMsgListener implements PacketListener{
264 public void processPacket(Packet packet){
265 org.jivesoftware.smack.packet.Message m;
266 try{
267 m=(org.jivesoftware.smack.packet.Message) packet;
268 }
269 catch(Exception e){
270 return;
271 }
272 final String t=m.getBody();
273 final String time=GUI.getTime(m);
274 javax.swing.SwingUtilities.invokeLater(new Runnable (){
275 public void run(){
276 process(t,time);
277 }
278 });
279 }
280 }
281
282
283 final class ProcessEncryptedMessage extends Thread {
284 final String msg;
285
286 public ProcessEncryptedMessage(String m){
287 super("Process Encrypted Message");
288 setDaemon(true);
289 setPriority(Thread.MIN_PRIORITY);
290 this.msg=m;
291 }
292
293 public void run(){
294 try{
295 final whisper.Message wm=new whisper.Message(msg);
296 if(!wm.isValid(theirKey)){
297 javax.swing.SwingUtilities.invokeLater(new Runnable (){
298 public void run(){
299 announce(Lang.gs("bad message received")+" - "+Lang.gs("invalid signature"),GUI.getTime());
300 }
301 });
302 return;
303 }
304 EncryptedSessionKey esk=wm.getESK();
305 if(theirSK==null && esk==null){
306 try{
307 sleep(3000); if(theirSK==null){
309 return;
310 }
311 }
312 catch(Exception se){
313 return;
314 }
315 }
316 if(esk!=null){
317 theirSK=null;
318 while(WhisperIM.KEYPAIR==null){
319 try{
320 sleep(3000);
321 }
322 catch(InterruptedException ie){
323 return;
324 }
325 }
326 theirSK=esk.decrypt(WhisperIM.KEYPAIR);
327 }
328 final String plaintext=wm.decrypt(theirSK);
329 javax.swing.SwingUtilities.invokeLater(new Runnable (){
330 public void run(){
331 ChatText=ChatText+"<font color='"+MUCPanel.theirColours[0]+"'>"+GUI.getTime(wm)+" "+Name+"</font> "+Convert.text(plaintext)+"<br>";
332 chatTextPane.setText(HEADER+ChatText+GUI.FOOTER);
333 sb.setValue(sb.getMaximum());
334 }
335 });
336 }
337 catch (Exception e){
338 javax.swing.SwingUtilities.invokeLater(new Runnable (){
339 public void run(){
340 announce(Lang.gs("bad message received")+" - "+Lang.gs("could not decrypt"),GUI.getTime());
341 }
342 });
343 System.err.println("Debug: ProcessEncryptedMessage thread - "+e.getMessage());
344 return;
345 }
346 }
347 }
348
349 final class SendEncryptedMessage extends Thread {
350
351 public SendEncryptedMessage(){
352 super("Send Encrypted Message");
353 setDaemon(true);
354 setPriority(Thread.MIN_PRIORITY);
355 }
356
357 public void run(){
358 try{
359 if(messageCount==SK_USE_LIMIT){
360 mySK=new SessionKey(WhisperIM.SR);
361 messageCount=0;
362 }
363 whisper.Message wm;
364 while(WhisperIM.KEYPAIR==null){
365 try{
366 sleep(3000);
367 }
368 catch(InterruptedException ie){
369 return;
370 }
371 }
372 if(messageCount==0){
373 wm=new whisper.Message(text.getText(),theirKey,mySK,WhisperIM.KEYPAIR,WhisperIM.SR);
374 }
375 else{
376 wm=new whisper.Message(text.getText(),mySK,WhisperIM.KEYPAIR,WhisperIM.SR);
377 }
378 messageCount++;
379 chat.sendMessage(wm.getText());
380 javax.swing.SwingUtilities.invokeLater(new Runnable (){
381 public void run(){
382 doSentEncryptedMessage();
383 }
384 });
385 }
386 catch(final Exception e){
387 e.printStackTrace();
388 javax.swing.SwingUtilities.invokeLater(new Runnable (){
389 public void run(){
390 GUI.showError(thisPanel,"error","error",e.getMessage());
391 }
392 });
393 }
394 }
395 }
396
397 final class EnterAction extends AbstractAction{
398 public void actionPerformed(ActionEvent e) {
399 if(text.getText().equals("")){
400 text.requestFocus();
401 return;
402 }
403 doSend();
404 }
405 }
406 } |
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