private final String readMSG(final int len)
throws IOException, InterruptedException, MessagingNetworkException {
if (len > 65000)
ServerConnection.throwProtocolViolated("incoming message is too long: " + len + " bytes");
byte[] b = new byte[len];
InputStream is = getInputStream();
synchronized (is) {
long abortTime =
System.currentTimeMillis() + 1000 * MSNMessagingNetwork.REQPARAM_SOCKET_TIMEOUT_SECONDS;
int ofs = 0;
while (ofs < len) {
if (Thread.currentThread().isInterrupted()) throw new InterruptedIOException();
int read = is.read(b, ofs, len - ofs);
if (read < 0) read = 0;
ofs += read;
if (System.currentTimeMillis() > abortTime) throw new IOException("connection timed out");
/*
if (len >= buffer.length)
{
...
return ...;
}
int pos = findCRLF();
if (pos != -1) break;
fill(is, abortTime);
*/
}
String msg = new String(b, 0, len, "UTF-8");
return msg;
}
}
public final String readCommand(byte[] b)
throws IOException, InterruptedException, MessagingNetworkException {
InputStream is = getInputStream();
synchronized (is) {
long abortTime =
System.currentTimeMillis() + 1000 * MSNMessagingNetwork.REQPARAM_SOCKET_TIMEOUT_SECONDS;
int ofs = 0;
boolean d = false;
for (; ; ) {
if (Thread.currentThread().isInterrupted()) throw new InterruptedIOException();
int by = is.read();
if (by == -1) throw new IOException("unexpected EOF");
if (by == 10 && d) break;
d = (by == 13);
if (ofs < b.length) {
b[ofs++] = (byte) by;
}
if (System.currentTimeMillis() > abortTime) throw new IOException("connection timed out");
/*
if (len >= buffer.length)
{
...
return ...;
}
int pos = findCRLF();
if (pos != -1) break;
fill(is, abortTime);
*/
}
if (b[ofs - 1] == 13) --ofs;
String line = new String(b, 0, ofs, "ASCII");
if (StringUtil.startsWith(line, "MSG")) {
StringTokenizer st = new StringTokenizer(line);
String len_s = null;
while (st.hasMoreTokens()) {
len_s = st.nextToken();
}
if (len_s == null) throw new AssertException("len_s is null");
int len;
try {
len = Integer.parseInt(len_s);
} catch (NumberFormatException ex) {
ServerConnection.throwProtocolViolated("MSG length must be int");
len = 0;
}
String msg = readMSG(len);
line = line + "\r\n" + msg;
}
if (Defines.DEBUG && CAT.isDebugEnabled()) CAT.debug("S: " + line);
return line;
}
}
/**
* sends a invite to the server
*
* @param message the message to be sent
*/
private void sendInvite(String to, String message) {
if (server != null) {
server.writeObject(new SD_Invite(to, message));
}
}
/**
* sends a whisper to the server
*
* @param message the message to be sent
*/
private void sendWhisper(String to, String message) {
if (server != null) {
server.writeObject(new SD_Whisper(to, message));
}
}
/**
* sends a new message to the server
*
* @param message the message to be sent
*/
private void sendChat(String message) {
if (server != null) {
server.writeObject(new SD_Chat(null, message));
}
}
/**
* Method to parse a command and perform the specified action
*
* @param cmd the command that the user typed
* @return a status indicator to tell if the command was valid
*/
public boolean parseCommand(String cmd) {
cmd = cmd.intern();
if (cmd == "help" || cmd == "?") {
String commands =
"Listing available commands:\n"
+ "<pre>\\help or \\? \t\t- display this message<br>"
+ "\\admin <passphrase> \t- become an admin<br>"
+ "\\create <channel> [password]\t- create a new channel with optional password<br>"
+ "\\join <channel> [password]\t- join channel with optional password<br>"
+ "\\disconnect \t\t- disconnect from server<br>"
+ "\\whisper <user> <message> \t- whisper to a user<br>"
+ "\\private <user> \t- start a private message session<br>"
+ "\\ignore <user> \t- ignores a user<br>"
+ "\\clearignore \t\t- clear list of ignores<br>"
+ "\\reconnect \t\t- attempt to reconnect to server<br>"
+ "\\rename <new name> \t- change your username<br>"
+ "\\invite <user> \t- invite user to join at your channel<br>";
if (admin) {
commands +=
"\\kick <user> \t\t- kick user from room<br>"
+ "\\logstart \t\t- start logging sessoin<br>"
+ "\\logstop \t\t- stop logging session<br>";
}
commands += "up or down \t\t- cycle your chat history</pre>";
sendText("server", commands, false);
return true;
} else if (cmd == "disconnect") {
if (server != null) {
stop();
}
return true;
} else if (cmd == "reconnect") {
if (username == null) {
error(
"username still invalid. use \\rename <new name> to chose a new name and reconnect");
} else {
if (server != null) {
stop();
}
server = new ServerConnection(this);
}
return true;
} else if (cmd == "clearignore") {
ignores.clear();
updateList();
serverMessage("ignore list cleared");
return true;
} else if (cmd.startsWith("whisper")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\whisper <user> <message>");
return false;
}
cmd = cmd.substring(start + 1);
start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\whisper <user> <message>");
return false;
}
String un = cmd.substring(0, start);
if (username.equals(un) || !users.contains(un)) {
error("invalid user");
return false;
}
String message = cmd.substring(start + 1);
if (message.length() < 1) {
error("usage: \\whisper <user> <message>");
}
sendWhisper(un, message);
sendText(username, message, true);
return true;
} else if (cmd.startsWith("invite")) {
String channel = (String) cboChannels.getSelectedItem();
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\invite <user>");
return false;
}
String un = cmd.substring(start + 1);
if ((un.length() < 1) || (un.length() > 10) || (!un.matches("[\\w_-]+?"))) {
error(un + " invalid user");
return false;
}
if (username.equals(un)) {
error("You cannot invite youself");
return false;
}
if (users.contains(un)) {
error(un + " is already in your Channel");
return false;
}
String message = un + " has been invited to join a channel " + channel;
sendInvite(un, message);
sendText(username, message, false);
return true;
} else if (cmd.startsWith("private")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\private <user>");
return false;
}
String un = cmd.substring(start + 1);
if (username.equals(un)) {
error("cannot private message yourself");
return false;
}
privates.newPrivate(un);
return true;
} else if (cmd.startsWith("rename")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\rename <newname>");
return false;
}
String newName = cmd.substring(start + 1);
if ((newName.length() < 1)
|| (newName.length()) > 10
|| (newName.equals("server"))
|| (!newName.matches("[\\w_-]+?"))) {
error("invalid name");
return false;
}
if (!server.connected) {
server = new ServerConnection(this);
}
if (username == null) {
username = newName;
server.writeObject(new SD_UserAdd(newName));
} else {
rename(username, newName);
username = newName;
server.writeObject(new SD_Rename(null, username));
}
return true;
} else if (cmd.startsWith("ignore")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\ignre <user>");
return false;
}
ignore(cmd.substring(start + 1), false);
return true;
} else if (cmd.startsWith("join")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\join <channel> [password]");
return false;
}
String name = cmd.substring(start + 1);
String pass = null;
start = name.indexOf(' ');
if (start > 0) {
pass = name.substring(start + 1);
name = name.substring(0, start);
}
server.writeObject(new SD_Channel(false, name, pass));
return true;
} else if (cmd.startsWith("create")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\create <channel> [password]");
return false;
}
String name = cmd.substring(start + 1);
String pass = null;
start = name.indexOf(' ');
if (start > 0) {
pass = name.substring(start + 1);
name = name.substring(0, start);
}
server.writeObject(new SD_Channel(true, name, pass));
return true;
/* } else if (cmd.startsWith("proxy")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\proxy <host> <port>");
return false;
}
String phost = cmd.substring(start+1);
start = phost.indexOf(' ');
if (start < 0) {
error("usage: \\proxy <host> <port>");
return false;
}
String pport = phost.substring(start+1);
phost = phost.substring(0, start);
Properties systemSettings = System.getProperties();
systemSettings.put("proxySet", "true");
systemSettings.put("proxyHost", phost);
systemSettings.put("proxyPort", pport);
System.setProperties(systemSettings);
serverMessage("Using " + phost + ":" + pport + " as proxy server<br>you can type \\reconnect to reconnect with this proxy");
return true; */
} else if (cmd.startsWith("admin")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\admin <password>");
return false;
}
String pass = cmd.substring(start + 1);
server.writeObject(new SD_AdminAdd(pass));
return true;
} else if (admin && cmd.startsWith("kick")) {
int start = cmd.indexOf(' ');
if (start < 0) {
error("usage: \\kick <user>");
return false;
}
String un = cmd.substring(start + 1);
if (un.equals(username)) {
error("cannot kick yourself");
return false;
}
server.writeObject(new SD_Kick(un));
return true;
} else if (admin && cmd == "logstart") {
server.writeObject(new SD_Log(true));
return true;
} else if (admin && cmd == "logstop") {
server.writeObject(new SD_Log());
return true;
}
error("unrecognized command, type \\help for help");
return false;
}
public void stop() {
if (server != null) server._writeObject(new SD_UserDel(null)); // to bypass the queue
}
public void sendPrivate(String name, String message) {
server.writeObject(new SD_Private(name, message));
}