2020-06-25 16:53:10 +02:00

108 lines
4.2 KiB
Java

package es.mesacarlos.webconsole.websocket;
import java.net.InetSocketAddress;
import java.util.Collection;
import java.util.HashMap;
import org.bukkit.Bukkit;
import org.java_websocket.WebSocket;
import org.java_websocket.exceptions.WebsocketNotConnectedException;
import org.java_websocket.handshake.ClientHandshake;
import org.java_websocket.server.WebSocketServer;
import es.mesacarlos.webconsole.auth.LoginManager;
import es.mesacarlos.webconsole.util.DateTimeUtils;
import es.mesacarlos.webconsole.util.Internationalization;
import es.mesacarlos.webconsole.websocket.command.WSCommandFactory;
import es.mesacarlos.webconsole.websocket.command.WSCommand;
import es.mesacarlos.webconsole.websocket.response.ConsoleOutput;
import es.mesacarlos.webconsole.websocket.response.JSONOutput;
import es.mesacarlos.webconsole.websocket.response.LoginRequired;
import es.mesacarlos.webconsole.websocket.response.LoggedIn;
import es.mesacarlos.webconsole.websocket.response.UnknownCommand;
public class WSServer extends WebSocketServer {
private HashMap<String, WSCommand> commands = WSCommandFactory.getCommandsHashMap();
public WSServer(InetSocketAddress address) {
super(address);
}
@Override
public void onOpen(WebSocket conn, ClientHandshake handshake) {
if (LoginManager.getInstance().isLoggedIn(conn.getRemoteSocketAddress())) {
sendToClient(conn, new LoggedIn(Internationalization.getPhrase("connection-resumed-message")));
Bukkit.getLogger().info(Internationalization.getPhrase("connection-resumed-console", conn.getRemoteSocketAddress()));
} else {
sendToClient(conn, new LoginRequired(Internationalization.getPhrase("connection-login-message")));
Bukkit.getLogger().info(Internationalization.getPhrase("connection-login-console", conn.getRemoteSocketAddress()));
}
}
@Override
public void onMessage(WebSocket conn, String message) {
// Get command and params
String wsCommand = message.split(" ")[0];
String wsCommandParams = "";
if (message.contains(" "))
wsCommandParams = message.split(" ", 2)[1];
// Run command
WSCommand cmd = commands.get(wsCommand);
if (cmd == null) {
// Command does not exist
sendToClient(conn, new UnknownCommand(Internationalization.getPhrase("unknown-command-message"), message));
Bukkit.getLogger().info(Internationalization.getPhrase("unknown-command-console", message));
} else if (!LoginManager.getInstance().isLoggedIn(conn.getRemoteSocketAddress())
&& !wsCommand.equals("LOGIN")) {
// User is not authorised. DO NOTHING, IMPORTANT!
sendToClient(conn, new LoginRequired(Internationalization.getPhrase("forbidden-message")));
Bukkit.getLogger().warning(Internationalization.getPhrase("forbidden-console", conn.getRemoteSocketAddress(), message));
} else {
cmd.execute(this, conn, wsCommandParams);
}
}
@Override
public void onClose(WebSocket conn, int code, String reason, boolean remote) {
LoginManager.getInstance().logOut(conn.getRemoteSocketAddress());
Bukkit.getLogger().info(Internationalization.getPhrase("closed-connection", conn.getRemoteSocketAddress()));
}
@Override
public void onError(WebSocket conn, Exception ex) {
Bukkit.getLogger().warning(Internationalization.getPhrase("error-on-connection", conn.getRemoteSocketAddress(), ex));
}
@Override
public void onStart() {
Bukkit.getLogger().info(Internationalization.getPhrase("started-websocket"));
}
/**
* Sends the message to all connected AND logged-in users
*/
public void onNewConsoleLinePrinted(String line) {
Collection<WebSocket> connections = getConnections();
for (WebSocket connection : connections) {
if (LoginManager.getInstance().isLoggedIn(connection.getRemoteSocketAddress()))
sendToClient(connection, new ConsoleOutput(line, DateTimeUtils.getTimeAsString()));
}
}
/**
* Sends this JSONOutput to client
* @param conn Connection to client
* @param content JSONOutput object
*/
public void sendToClient(WebSocket conn, JSONOutput content) {
try {
conn.send(content.toJSON());
}catch(WebsocketNotConnectedException e) {
Bukkit.getLogger().warning(Internationalization.getPhrase("error-disconnected-client"));
}
}
}