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org.eclipse.jetty.server.session.SessionHandler Maven / Gradle / Ivy
// ========================================================================
// Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
package org.eclipse.jetty.server.session;
import java.io.IOException;
import java.util.EventListener;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.eclipse.jetty.http.HttpCookie;
import org.eclipse.jetty.server.DispatcherType;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.SessionManager;
import org.eclipse.jetty.server.handler.ScopedHandler;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/* ------------------------------------------------------------ */
/** SessionHandler.
*/
public class SessionHandler extends ScopedHandler
{
final static Logger __log = Log.getLogger("org.eclipse.jetty.server.session");
/* -------------------------------------------------------------- */
private SessionManager _sessionManager;
/* ------------------------------------------------------------ */
/** Constructor.
* Construct a SessionHandler witha a HashSessionManager with a standard
* java.util.Random generator is created.
*/
public SessionHandler()
{
this(new HashSessionManager());
}
/* ------------------------------------------------------------ */
/**
* @param manager The session manager
*/
public SessionHandler(SessionManager manager)
{
setSessionManager(manager);
}
/* ------------------------------------------------------------ */
/**
* @return Returns the sessionManager.
*/
public SessionManager getSessionManager()
{
return _sessionManager;
}
/* ------------------------------------------------------------ */
/**
* @param sessionManager The sessionManager to set.
*/
public void setSessionManager(SessionManager sessionManager)
{
if (isStarted())
throw new IllegalStateException();
SessionManager old_session_manager = _sessionManager;
if (getServer()!=null)
getServer().getContainer().update(this, old_session_manager, sessionManager, "sessionManager",true);
if (sessionManager!=null)
sessionManager.setSessionHandler(this);
_sessionManager = sessionManager;
if (old_session_manager!=null)
old_session_manager.setSessionHandler(null);
}
/* ------------------------------------------------------------ */
@Override
public void setServer(Server server)
{
Server old_server=getServer();
if (old_server!=null && old_server!=server)
old_server.getContainer().update(this, _sessionManager, null, "sessionManager",true);
super.setServer(server);
if (server!=null && server!=old_server)
server.getContainer().update(this, null,_sessionManager, "sessionManager",true);
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.thread.AbstractLifeCycle#doStart()
*/
@Override
protected void doStart() throws Exception
{
_sessionManager.start();
super.doStart();
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.thread.AbstractLifeCycle#doStop()
*/
@Override
protected void doStop() throws Exception
{
// Destroy sessions before destroying servlets/filters see JETTY-1266
_sessionManager.stop();
super.doStop();
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
*/
@Override
public void doScope(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
SessionManager old_session_manager=null;
HttpSession old_session=null;
HttpSession access=null;
try
{
old_session_manager = baseRequest.getSessionManager();
old_session = baseRequest.getSession(false);
if (old_session_manager != _sessionManager)
{
// new session context
baseRequest.setSessionManager(_sessionManager);
baseRequest.setSession(null);
checkRequestedSessionId(baseRequest,request);
}
// access any existing session
HttpSession session=null;
if (_sessionManager!=null)
{
session=baseRequest.getSession(false);
if (session!=null)
{
if(session!=old_session)
{
access=session;
HttpCookie cookie = _sessionManager.access(session,request.isSecure());
if (cookie!=null ) // Handle changed ID or max-age refresh
baseRequest.getResponse().addCookie(cookie);
}
}
else
{
session=baseRequest.recoverNewSession(_sessionManager);
if (session!=null)
baseRequest.setSession(session);
}
}
if(__log.isDebugEnabled())
{
__log.debug("sessionManager="+_sessionManager);
__log.debug("session="+session);
}
// start manual inline of nextScope(target,baseRequest,request,response);
if (_nextScope!=null)
_nextScope.doScope(target,baseRequest,request, response);
else if (_outerScope!=null)
_outerScope.doHandle(target,baseRequest,request, response);
else
doHandle(target,baseRequest,request, response);
// end manual inline (pathentic attempt to reduce stack depth)
}
finally
{
if (access!=null)
_sessionManager.complete(access);
else
{
HttpSession session = baseRequest.getSession(false);
if (session!=null && old_session==null)
_sessionManager.complete(session);
}
if (old_session_manager!=null && old_session_manager != _sessionManager)
{
baseRequest.setSessionManager(old_session_manager);
baseRequest.setSession(old_session);
}
}
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
*/
@Override
public void doHandle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
// start manual inline of nextHandle(target,baseRequest,request,response);
if (never())
nextHandle(target,baseRequest,request,response);
else if (_nextScope!=null && _nextScope==_handler)
_nextScope.doHandle(target,baseRequest,request, response);
else if (_handler!=null)
_handler.handle(target,baseRequest, request, response);
// end manual inline
}
/* ------------------------------------------------------------ */
/** Look for a requested session ID in cookies and URI parameters
* @param baseRequest
* @param request
*/
protected void checkRequestedSessionId(Request baseRequest, HttpServletRequest request)
{
String requested_session_id=request.getRequestedSessionId();
SessionManager sessionManager = getSessionManager();
if (requested_session_id!=null && sessionManager!=null)
{
HttpSession session=sessionManager.getHttpSession(requested_session_id);
if (session!=null && sessionManager.isValid(session))
baseRequest.setSession(session);
return;
}
else if (!DispatcherType.REQUEST.equals(baseRequest.getDispatcherType()))
return;
boolean requested_session_id_from_cookie=false;
HttpSession session=null;
// Look for session id cookie
if (_sessionManager.isUsingCookies())
{
Cookie[] cookies=request.getCookies();
if (cookies!=null && cookies.length>0)
{
for (int i=0;i=0)
{
s+=prefix.length();
int i=s;
while (i
