/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.web.servlet;
import javax.websocket.HandshakeResponse;
import javax.websocket.server.HandshakeRequest;
import javax.websocket.server.ServerEndpointConfig;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Julien Viet
*/
public class Configurator extends ServerEndpointConfig.Configurator {
/** . */
private static final Pattern cookiePattern = Pattern.compile("([^=]+)=([^\\;]*);?\\s?");
@Override
public void modifyHandshake(ServerEndpointConfig sec, HandshakeRequest request, HandshakeResponse response) {
Map<String, List<String>> requestHeaders = request.getHeaders();
List<String> cookieHeaders = requestHeaders.get("cookie");
String sessionId = null;
if (cookieHeaders != null && cookieHeaders.size() > 0) {
for (String cookieHeader : cookieHeaders) {
Matcher matcher = cookiePattern.matcher(cookieHeader);
while (matcher.find()) {
String cookieKey = matcher.group(1);
String cookieValue = matcher.group(2);
if (cookieKey.equals("CRASHID")) {
sessionId = cookieValue;
}
}
}
}
if (sessionId == null) {
sessionId = UUID.randomUUID().toString();
response.getHeaders().put("Set-Cookie", Collections.singletonList("CRASHID=" + sessionId + "; Path=/"));
} else {
}
sec.getUserProperties().put("CRASHID", sessionId);
}
}