//
// ========================================================================
// Copyright (c) 1995-2014 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 java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Collections;
import java.util.Locale;
import javax.servlet.ServletOutputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.WriteListener;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.security.IdentityService;
import org.eclipse.jetty.security.LoginService;
import org.eclipse.jetty.security.ServerAuthException;
import org.eclipse.jetty.security.UserAuthentication;
import org.eclipse.jetty.server.Authentication;
import org.eclipse.jetty.server.UserIdentity;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
public class DeferredAuthentication implements Authentication.Deferred
{
private static final Logger LOG = Log.getLogger(DeferredAuthentication.class);
protected final LoginAuthenticator _authenticator;
private Object _previousAssociation;
/* ------------------------------------------------------------ */
public DeferredAuthentication(LoginAuthenticator authenticator)
{
if (authenticator == null)
throw new NullPointerException("No Authenticator");
this._authenticator = authenticator;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.Authentication.Deferred#authenticate(ServletRequest)
*/
@Override
public Authentication authenticate(ServletRequest request)
{
try
{
Authentication authentication = _authenticator.validateRequest(request,__deferredResponse,true);
if (authentication!=null && (authentication instanceof Authentication.User) && !(authentication instanceof Authentication.ResponseSent))
{
LoginService login_service= _authenticator.getLoginService();
IdentityService identity_service=login_service.getIdentityService();
if (identity_service!=null)
_previousAssociation=identity_service.associate(((Authentication.User)authentication).getUserIdentity());
return authentication;
}
}
catch (ServerAuthException e)
{
LOG.debug(e);
}
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.Authentication.Deferred#authenticate(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
*/
@Override
public Authentication authenticate(ServletRequest request, ServletResponse response)
{
try
{
LoginService login_service= _authenticator.getLoginService();
IdentityService identity_service=login_service.getIdentityService();
Authentication authentication = _authenticator.validateRequest(request,response,true);
if (authentication instanceof Authentication.User && identity_service!=null)
_previousAssociation=identity_service.associate(((Authentication.User)authentication).getUserIdentity());
return authentication;
}
catch (ServerAuthException e)
{
LOG.debug(e);
}
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.Authentication.Deferred#login(String, Object, ServletRequest)
*/
@Override
public Authentication login(String username, Object password, ServletRequest request)
{
if (username == null)
return null;
UserIdentity identity = _authenticator.login(username, password, request);
if (identity != null)
{
IdentityService identity_service = _authenticator.getLoginService().getIdentityService();
UserAuthentication authentication = new UserAuthentication("API",identity);
if (identity_service != null)
_previousAssociation=identity_service.associate(identity);
return authentication;
}
return null;
}
/* ------------------------------------------------------------ */
public Object getPreviousAssociation()
{
return _previousAssociation;
}
/* ------------------------------------------------------------ */
/**
* @param response
* @return true if this response is from a deferred call to {@link #authenticate(ServletRequest)}
*/
public static boolean isDeferred(HttpServletResponse response)
{
return response==__deferredResponse;
}
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
final static HttpServletResponse __deferredResponse = new HttpServletResponse()
{
@Override
public void addCookie(Cookie cookie)
{
}
@Override
public void addDateHeader(String name, long date)
{
}
@Override
public void addHeader(String name, String value)
{
}
@Override
public void addIntHeader(String name, int value)
{
}
@Override
public boolean containsHeader(String name)
{
return false;
}
@Override
public String encodeRedirectURL(String url)
{
return null;
}
@Override
public String encodeRedirectUrl(String url)
{
return null;
}
@Override
public String encodeURL(String url)
{
return null;
}
@Override
public String encodeUrl(String url)
{
return null;
}
@Override
public void sendError(int sc) throws IOException
{
}
@Override
public void sendError(int sc, String msg) throws IOException
{
}
@Override
public void sendRedirect(String location) throws IOException
{
}
@Override
public void setDateHeader(String name, long date)
{
}
@Override
public void setHeader(String name, String value)
{
}
@Override
public void setIntHeader(String name, int value)
{
}
@Override
public void setStatus(int sc)
{
}
@Override
public void setStatus(int sc, String sm)
{
}
@Override
public void flushBuffer() throws IOException
{
}
@Override
public int getBufferSize()
{
return 1024;
}
@Override
public String getCharacterEncoding()
{
return null;
}
@Override
public String getContentType()
{
return null;
}
@Override
public Locale getLocale()
{
return null;
}
@Override
public ServletOutputStream getOutputStream() throws IOException
{
return __nullOut;
}
@Override
public PrintWriter getWriter() throws IOException
{
return IO.getNullPrintWriter();
}
@Override
public boolean isCommitted()
{
return true;
}
@Override
public void reset()
{
}
@Override
public void resetBuffer()
{
}
@Override
public void setBufferSize(int size)
{
}
@Override
public void setCharacterEncoding(String charset)
{
}
@Override
public void setContentLength(int len)
{
}
public void setContentLengthLong(long len)
{
}
@Override
public void setContentType(String type)
{
}
@Override
public void setLocale(Locale loc)
{
}
@Override
public Collection<String> getHeaderNames()
{
return Collections.emptyList();
}
@Override
public String getHeader(String arg0)
{
return null;
}
@Override
public Collection<String> getHeaders(String arg0)
{
return Collections.emptyList();
}
@Override
public int getStatus()
{
return 0;
}
};
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
private static ServletOutputStream __nullOut = new ServletOutputStream()
{
@Override
public void write(int b) throws IOException
{
}
@Override
public void print(String s) throws IOException
{
}
@Override
public void println(String s) throws IOException
{
}
@Override
public void setWriteListener(WriteListener writeListener)
{
}
@Override
public boolean isReady()
{
return false;
}
};
}