// ---------------------------------------------------------------------------
// jWebSocket - jWebSocket Sample Filter
// Copyright (c) 2010 jWebSocket.org, Alexander Schulze, Innotrade GmbH
// ---------------------------------------------------------------------------
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published by the
// Free Software Foundation; either version 3 of the License, or (at your
// option) any later version.
// This program 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 Lesser General Public License for
// more details.
// You should have received a copy of the GNU Lesser General Public License along
// with this program; if not, see <http://www.gnu.org/licenses/lgpl.html>.
// ---------------------------------------------------------------------------
package org.jwebsocket.filters.sample;
import org.apache.log4j.Logger;
import org.jwebsocket.api.WebSocketConnector;
import org.jwebsocket.filter.TokenFilter;
import org.jwebsocket.kit.FilterResponse;
import org.jwebsocket.logging.Logging;
import org.jwebsocket.server.TokenServer;
import org.jwebsocket.token.Token;
/**
*
* @author aschulze
*/
public class SampleFilter extends TokenFilter {
private static Logger log = Logging.getLogger(SampleFilter.class);
/**
*
* @param aId
*/
public SampleFilter(String aId) {
super(aId);
if (log.isDebugEnabled()) {
log.debug("Instantiating system filter...");
}
}
/**
*
* @param aResponse
* @param aConnector
* @param aToken
*/
@Override
public void processTokenIn(FilterResponse aResponse, WebSocketConnector aConnector, Token aToken) {
if (log.isDebugEnabled()) {
log.debug("Checking incoming token from " + (aConnector != null ? aConnector.getId() : "[not given]")
+ ": " + aToken.toString() + "...");
}
TokenServer lServer = getServer();
String lUsername = lServer.getUsername(aConnector);
// TODO: very first security test, replace by user's locked state!
if ("locked".equals(lUsername)) {
Token lToken = lServer.createAccessDenied(aToken);
lServer.sendToken(aConnector, lToken);
aResponse.rejectMessage();
return;
}
}
/**
*
* @param aResponse
* @param aSource
* @param aTarget
* @param aToken
*/
@Override
public void processTokenOut(FilterResponse aResponse, WebSocketConnector aSource,
WebSocketConnector aTarget, Token aToken) {
if (log.isDebugEnabled()) {
log.debug("Checking outgoing token from "
+ (aSource != null ? aSource.getId() : "[not given]")
+ " to "
+ (aTarget != null ? aTarget.getId() : "[not given]")
+ ": " + aToken.toString() + "...");
}
}
}