public RegisterHandler(UserIndex index) {
userIndex = index;
required = new Packet("iq");
required.setFrom(Server.SERVER_NAME);
required.setType("result");
new Packet("username").setParent(required);
new Packet("password").setParent(required);
new Packet("hash").setParent(required);
}
public void notify(Packet packet) {
Log.trace("Register handling " + packet.toString());
String type = packet.getType();
Packet query = packet.getFirstChild("query");
if (type.equals("get")) {
required.setSession(packet.getSession());
required.setID(packet.getID());
MessageHandler.deliverPacket(required);
return;
} else if (type.equals("set")) { // type == set
String username = query.getChildValue("username");
User user = userIndex.getUser(username);
if (user != null) { // user exists
if (packet.getSession().getStatus() != Session.AUTHENTICATED
|| !username.equals(packet.getSession().getJID().getUser())) {
Packet iq = new Packet("iq");
iq.setSession(packet.getSession());
iq.setID(packet.getID());
ErrorTool.setError(iq, 401, "User account already exists");
MessageHandler.deliverPacket(iq);
return;
}
} else {
user = userIndex.addUser(username);
}
user.setPassword(query.getChildValue("password"));
user.setHash(query.getChildValue("hash"));
user.setSequence(query.getChildValue("sequence"));
user.setToken(query.getChildValue("token"));
if (user.getHash() == null || user.getSequence() == null || user.getToken() == null) {
if (user.getPassword() != null) {
user.setToken(Authenticator.randomToken());
user.setSequence("99");
user.setHash(
auth.getZeroKHash(100, user.getToken().getBytes(), user.getPassword().getBytes()));
}
} else {
user.setSequence(Integer.toString(Integer.parseInt(user.getSequence()) - 1));
}
Packet iq = new Packet("iq");
iq.setSession(packet.getSession());
iq.setID(packet.getID());
iq.setType("result"); // success
MessageHandler.deliverPacket(iq);
Log.trace(
"Register successfully registered "
+ username
+ " with password "
+ query.getChildValue("password"));
} else {
Log.info("Register ignoring " + packet.toString());
}
}