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//
// ========================================================================
// Copyright (c) 1995-2012 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.security.authentication;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.eclipse.jetty.security.Authenticator;
import org.eclipse.jetty.security.IdentityService;
import org.eclipse.jetty.security.LoginService;
import org.eclipse.jetty.server.session.AbstractSessionManager;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
public abstract class LoginAuthenticator implements Authenticator
{
private static final Logger LOG = Log.getLogger(LoginAuthenticator.class);
protected LoginService _loginService;
protected IdentityService _identityService;
private boolean _renewSession;
protected LoginAuthenticator()
{
}
@Override
public void setConfiguration(AuthConfiguration configuration)
{
_loginService=configuration.getLoginService();
if (_loginService==null)
throw new IllegalStateException("No LoginService for "+this+" in "+configuration);
_identityService=configuration.getIdentityService();
if (_identityService==null)
throw new IllegalStateException("No IdentityService for "+this+" in "+configuration);
_renewSession=configuration.isSessionRenewedOnAuthentication();
}
public LoginService getLoginService()
{
return _loginService;
}
/** Change the session id.
* The session is changed to a new instance with a new ID if and only if:<ul>
* <li>A session exists.
* <li>The {@link AuthConfiguration#isSessionRenewedOnAuthentication()} returns true.
* <li>The session ID has been given to unauthenticated responses
* </ul>
* @param request
* @param response
* @return The new session.
*/
protected HttpSession renewSession(HttpServletRequest request, HttpServletResponse response)
{
HttpSession httpSession = request.getSession(false);
if (_renewSession && httpSession!=null)
{
synchronized (httpSession)
{
//if we should renew sessions, and there is an existing session that may have been seen by non-authenticated users
//(indicated by SESSION_SECURED not being set on the session) then we should change id
if (httpSession.getAttribute(AbstractSessionManager.SESSION_KNOWN_ONLY_TO_AUTHENTICATED)!=Boolean.TRUE)
{
HttpSession newSession = AbstractSessionManager.renewSession(request, httpSession,true);
LOG.debug("renew {}->{}",httpSession.getId(),newSession.getId());
httpSession=newSession;
}
}
}
return httpSession;
}
}
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