[Arianne-commits] stendhal/src/games/stendhal/bot/postman FloodDetection.java, NONE, 1.1 IrcFloodBan.java, NONE, 1.1 IrcFloodKick.java, NONE, 1.1

[Hendrik B. <nh...@us...>]

Update of /cvsroot/arianne/stendhal/src/games/stendhal/bot/postman
In directory vz-cvs-4.sog:/tmp/cvs-serv20262/src/games/stendhal/bot/postman

Added Files:
	FloodDetection.java IrcFloodBan.java IrcFloodKick.java 
Log Message:
implemented excess flood detection and kicking, on repetition banning

--- NEW FILE: FloodDetection.java ---
/***************************************************************************
 *                   (C) Copyright 2011 - Faiumoni e. V.                   *
 ***************************************************************************
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
package games.stendhal.bot.postman;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import marauroa.common.Pair;

/**
 * Detects floods
 *
 * @author hendrik
 */
class FloodDetection {
	private List<Pair<String, String>> lastMessages = new LinkedList<Pair<String, String>>();

	/**
	 * adds a new message to the memory
	 * 
	 * @param sender  sender of the message
	 * @param message message
	 */
	public void add(String sender, String message) {
		lastMessages.add(new Pair<String, String>(sender, message));
		if (lastMessages.size() > 20) {
			lastMessages.remove(0);
		}
	}

	/**
	 * counts the number of recent identical messages from the same sender
	 *
	 * @param sender   sender
	 * @param message  messages
	 * @return count
	 */
	public int count(String sender, String message) {
		int res = 0;
		for (Pair<String, String> pair : lastMessages) {
			if (pair.first().equals(sender) && pair.second().equals(message)) {
				res++;
			}
		}
		return res;
	}

	/**
	 * removes messages from a sender from the list
	 *
	 * @param sender sender
	 */
	public void clear(String sender) {
		Iterator<Pair<String, String>> itr = lastMessages.iterator();
		while (itr.hasNext()) {
			if (itr.next().first().equals(sender)) {
				itr.remove();
			}
		}
	}
}

--- NEW FILE: IrcFloodBan.java ---
/***************************************************************************
 *                   (C) Copyright 2011 - Faiumoni e. V.                   *
 ***************************************************************************
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
package games.stendhal.bot.postman;

/**
 * creates a ban on irc for flooding
 *
 * @author hendrik
 */
public class IrcFloodBan extends EventHandler {
	private String hostname;
	private PostmanIRC postmanIRC;

	/**
	 * creates a IrcBan instance
	 *
	 * @param ip ip address to ban
	 * @param postmanIRC PostmanIRC
	 */
	public IrcFloodBan(String ip, PostmanIRC postmanIRC) {
		this.hostname = ip;
		this.postmanIRC = postmanIRC;
	}

	@Override
	public void fire(EventType eventType, String channel, String furtherData) {
		postmanIRC.ban(channel, "*!*@" + hostname);
	}

}

--- NEW FILE: IrcFloodKick.java ---
/***************************************************************************
 *                   (C) Copyright 2011 - Faiumoni e. V.                   *
 ***************************************************************************
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
package games.stendhal.bot.postman;

/**
 * kicks someone on irc for flooding
 *
 * @author hendrik
 */
public class IrcFloodKick extends EventHandler {
	private String sender;
	private PostmanIRC postmanIRC;

	/**
	 * creates a IrcBan instance
	 *
	 * @param sender ip address to ban
	 * @param postmanIRC PostmanIRC
	 */
	public IrcFloodKick(String sender, PostmanIRC postmanIRC) {
		this.sender = sender;
		this.postmanIRC = postmanIRC;
	}

	@Override
	public void fire(EventType eventType, String channel, String furtherData) {
		postmanIRC.kick(channel, sender, "Please use http://pastebin.com/ to paste large amounts of text.");
	}

}