/** Handle internal commands */
private void internalCommand(ObjectConnection oc, Message message, String command, String data) {
if (command.equals("CONNECT_DEL")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.removeConnectInfo(message.getSender());
} else if (command.equals("CONNECT_GET")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getConnectInfo(data, oc);
} else if (command.equals("CONNECT_LIST")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getUserList(oc);
} else if (command.equals("PLUGIN_LIST")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.sendPluginList(oc, message.getSender().getName());
} else if (command.equals("PLUGIN_GET")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.sendPlugin(oc, data);
} else if (command.equals("STARTUP_PLUGINS")) {
try {
oc.write("OK");
} catch (Exception e) {
}
this.getStartupPlugin(oc, message.getSender().getName());
} else {
try {
oc.write("FAILED Unknown command");
} catch (Exception e) {
}
}
}
/**
* Handles a message. Knows type "collectiveUpdate-"+name only. It is the responsibility of the
* owner to propagate messages of this type using this method.
*/
public boolean handleMessage(Message m, Object o) {
if (!shouldLive || !m.getType().equals("collectiveUpdate-" + name)) return false;
final String logSender = observer + "#collectiveUpdate";
Logger.debug(logSender, "Update from " + m.getSender());
/**/
if (!m.getRecipient().name.equals(contributor.getName()))
Logger.warning(
logSender,
"Recipient and my contributor are not the same:\n"
+ "Recipient: "
+ m.getRecipient().name
+ "\n"
+ "Contributor: "
+ contributor.getName(),
null);
/**/
Collective c = (Collective) o;
// --- reset array representations
cacheCollection = null;
commandCollection = null;
// --- remove possible garbage
cache.remove(m.getRecipient().name);
c.cache.remove(m.getRecipient().name);
cache.remove(m.getSender().name);
c.cache.remove(m.getSender().name);
// --- sending our contributions
if (contributor == null)
Logger.warning(logSender, "Non-contributor observer is known by " + m.getSender(), null);
updateLocalInfo();
m.setReply(this);
// --- update containers
repairSenderAddress(c, m.getSender());
merge(c);
observer.collectiveUpdated((ContributionBox) cache.get(m.getSender().name));
return true;
}
public void run() {
String messageString;
long lastActivity = System.currentTimeMillis();
while (keeprunning) {
try {
if (in.ready()) {
messageString = in.readLine();
if (messageString == null) continue;
Message m = new Message(messageString);
if (m.getCommand().matches("\\d+"))
try {
int intcommand = Integer.parseInt(m.getCommand());
if (intcommand == Constants.RPL_ENDOFMOTD) {
System.err.println("MOTD SEEN, must be connected.");
if (connected) joinChannels();
connected = true;
} else if (intcommand == Constants.ERR_NICKNAMEINUSE) {
System.err.println("NICKNAMEINUSE");
namecount++;
BotStats.getInstance().setBotname(botdefaultname + namecount);
new Message("", "NICK", BotStats.getInstance().getBotname(), "").send();
new Message(
"",
"USER",
BotStats.getInstance().getBotname()
+ " nowhere.com "
+ BotStats.getInstance().getServername(),
BotStats.getInstance().getClientName()
+ " v."
+ BotStats.getInstance().getVersion())
.send();
System.err.println("Setting nick to:" + botdefaultname + namecount);
}
} catch (NumberFormatException nfe) {
// we ignore this
System.err.println("Unknown command:" + m.getCommand());
}
if (m.getCommand().equals("PING")) {
outqueue.add(new Message("", "PONG", "", m.getTrailing()));
if (debug) System.out.println("PUNG at " + new Date());
} else if (BotStats.getInstance().containsIgnoreName(m.getSender())) {
if (debug) System.out.println("Ignored: " + m);
} else {
inqueue.add(m); // add to inqueue
if (debug) System.out.println(m.toString());
// System.out.println("Inbuffer: prefix: " + m.prefix + " params: " + m.params + "
// trailing:"
// + m.trailing + " command:" + m.command + " sender: " + m.sender + "\n "
// + "isCTCP:" + m.isCTCP + " isPrivate:" + m.isPrivate + " CTCPCommand:" +
// m.CTCPCommand
// + " CTCPMessage:" + m.CTCPMessage);
}
lastActivity = System.currentTimeMillis();
} else {
if (System.currentTimeMillis() - lastActivity > 400000) {
System.err.println("400 seconds since last activity! Attempting reconnect");
in.close();
oh.disconnect();
keeprunning = false;
reconnect();
return;
}
sleep(100);
}
} catch (IOException ioe) {
System.out.println("EOF on connection: " + ioe.getMessage());
} catch (InterruptedException ie) {
System.out.println("Interrupted: " + ie.getMessage());
} catch (Exception e) {
System.err.println("Unexpected exception in InputHandler :");
e.printStackTrace();
}
}
}
/**
* Authenticate users
*
* @param oc the streams
* @param ci the ConnectInfo
*/
private void authentification(ObjectConnection oc, Message message, String data) {
String passwd = null;
String name = null;
String authenticationServer = null;
String hostname = null;
int port = 0;
StringTokenizer stk = new StringTokenizer(data, " ");
try {
passwd = stk.nextToken();
hostname = stk.nextToken();
port = Integer.parseInt(stk.nextToken());
} catch (Exception ex) {
Logging.getLogger().warning("#Err > Incorrect authentication message.");
try {
oc.write("BAD_MESSAGE");
} catch (Exception e) {
}
return;
}
name = message.getSender().getName();
authenticationServer = message.getSender().getAuthenticationServer();
UserConcept user = null;
try {
user = store.getUserStore().getUser(message.getSender().getName());
} catch (Exception e) {
e.printStackTrace();
}
// password ok
if (user != null && store.getUserStore().checkUserPassword(user, passwd)) {
// disconnect already connected user
if (isAlreadyKnown(message.getSender())) {
ConnectInfo oldUser = getCompleteConnectInfo(message.getSender());
try {
ObjectConnection myoc = this.sendMessageTo(oldUser, "Client", "DISCONNECT");
myoc.close();
} catch (Exception e) {
// we can't do much here, the client might have crashed
}
this.removeConnectInfo(oldUser);
}
connections.add(
new ConnectInfo(
name, authenticationServer, hostname, port, user.getPublicKey(), "Client"));
try {
oc.write("AUTH_ACCEPTED " + user.getPrivateKey());
} catch (Exception e) {
e.printStackTrace();
}
this.sendUserList();
} else {
try {
oc.write("NOT_VALID_USER");
} catch (Exception e) {
}
}
}
/**
* Reads messages from the network. A message is either a command for the server or for an
* internal Service.
*
* @param sock the Socket
*/
private void getMessage(Socket sock) {
int i;
boolean alreadyConnected;
boolean isAuthentication;
Message message;
byte[] signature;
String cmd;
String cmdData;
StringTokenizer stk;
ObjectConnection oc = null;
try {
/* streams initialization */
oc = new ObjectConnection(sock);
message = (Message) oc.read();
signature = (byte[]) oc.read();
} catch (Exception ex) {
ex.printStackTrace();
Logging.getLogger().warning("#Err > Unable to read message.");
return;
}
// check wether a user is known or not
alreadyConnected = isAlreadyKnown(message.getSender());
// check if command is authentication
isAuthentication =
message.getApplication().equals("Server")
&& ((String) message.getData()).startsWith("AUTH");
// signature check
if (alreadyConnected && !isAuthentication) {
boolean sigok = false;
try {
ConnectInfo ci = message.getSender();
if (ci.verifier == null) ci = this.getCompleteConnectInfo(ci);
sigok = ci.verifier.verify(message, signature);
} catch (Exception e) {
e.printStackTrace();
}
if (!sigok) {
try {
oc.write("FAILED bad signature");
} catch (Exception e) {
}
Logging.getLogger().warning("#Err > bad signature: " + message.getSender());
return;
}
}
if (message.getApplication().equals("Server")) {
cmd = null;
try {
stk = new StringTokenizer((String) message.getData());
cmd = stk.nextToken();
cmdData = stk.nextToken("\0").substring(1);
} catch (Exception ex) {
if (cmd == null) cmd = "";
cmdData = "";
}
/* if the user asks for authentication, we try to do it and exits this method */
if (cmd.equals("AUTH")) {
try {
oc.write("OK");
} catch (Exception e) {
e.printStackTrace();
}
authentification(oc, message, cmdData);
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
internalCommand(oc, message, cmd, cmdData);
}
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
Service s;
/* seek the destination service */
boolean serviceFound = false;
for (i = 0; i < this.services.size(); i++) {
s = (Service) services.get(i);
if (s.getName().equalsIgnoreCase(message.getApplication())) {
serviceFound = true;
UserConcept user = null;
ServiceConcept service = null;
try {
user = store.getUserStore().getUser(message.getSender().getName());
service = store.getServiceStore().getService(message.getReceiver().getName());
} catch (Exception e) {
}
/* tests serviceManager for permissions */
boolean isAutorizedService = false;
try {
isAutorizedService = store.getServiceStore().isAuthorizedService(user, service);
} catch (Exception e) {
}
if (!isAutorizedService) {
Logging.getLogger()
.info(
"#Err > "
+ message.getSender()
+ " : Service denied to "
+ message.getReceiver().getName());
try {
oc.write("FAILED You don't have acces to this service");
} catch (Exception e) {
}
} else {
try {
oc.write("OK");
} catch (Exception e) {
}
serviceFound = true;
s.process(oc, message);
}
break;
}
}
if (!serviceFound) {
try {
oc.write("FAILED unknown");
} catch (Exception e) {
}
Logging.getLogger()
.warning("#Err > Service " + message.getReceiver().getName() + " unknown");
}
}
oc.close();
}
