TLSCapHandler.java

/**
 * Copyright (C) 2010-2014 Leon Blakey <lord.quackstar at gmail.com>
 *
 * This file is part of PircBotX.
 *
 * PircBotX 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 3 of the License, or (at your option) any later
 * version.
 *
 * PircBotX is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * PircBotX. If not, see <http://www.gnu.org/licenses/>.
 */
package org.pircbotx.cap;

import com.google.common.collect.ImmutableList;
import javax.net.ssl.SSLSocketFactory;
import lombok.Getter;
import lombok.ToString;
import lombok.extern.slf4j.Slf4j;
import org.pircbotx.PircBotX;
import org.pircbotx.exception.CAPException;

/**
 * CAP STARTTLS support <b>*MUST BE LAST CAP HANDLER*</b>. Due to how STARTTLS
 * works and how PircBotX is designed this must be the last CAP handler,
 * otherwise you will receive an "SSL peer shutdown incorrectly" exception
 *
 * @author Leon Blakey
 */
@ToString
@Slf4j
public class TLSCapHandler extends EnableCapHandler {
	@Getter
	protected SSLSocketFactory sslSocketFactory;

	public TLSCapHandler() {
		super("tls");
		this.sslSocketFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
	}

	public TLSCapHandler(SSLSocketFactory sslSocketFactory, boolean ignoreFail) {
		super("tls", ignoreFail);
		this.sslSocketFactory = sslSocketFactory;
	}

	@Override
	public boolean handleACK(PircBotX bot, ImmutableList<String> capabilities) throws CAPException {
		if (capabilities.contains("tls")) {
			log.debug("Supported capability tls, sending STARTTLS and awaiting 670 response");
			bot.sendRaw().rawLineNow("STARTTLS");
			//Not finished, still need to wait for 670 line
			return false;
		}
		//Ignore, not for us
		return false;
	}

	@Override
	public boolean handleUnknown(PircBotX bot, String rawLine) {
		//Finished if we have successfully upgraded the socket
		return rawLine.contains(" 670 ");
	}
}