// ========================================================================
// $Id: AJP13Connection.java,v 1.38 2006/11/22 20:21:30 gregwilkins Exp $
// Copyright 200-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package net.lightbody.bmp.proxy.jetty.http.ajp;
import net.lightbody.bmp.proxy.jetty.http.*;
import net.lightbody.bmp.proxy.jetty.log.LogFactory;
import net.lightbody.bmp.proxy.jetty.util.LineInput;
import net.lightbody.bmp.proxy.jetty.util.LogSupport;
import net.lightbody.bmp.proxy.jetty.util.URI;
import org.apache.commons.logging.Log;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
/* ------------------------------------------------------------ */
/**
* @version $Id: AJP13Connection.java,v 1.38 2006/11/22 20:21:30 gregwilkins Exp $
* @author Greg Wilkins (gregw)
*/
public class AJP13Connection extends HttpConnection
{
private static Log log=LogFactory.getLog(AJP13Connection.class);
private AJP13Listener _listener;
private AJP13InputStream _ajpIn;
private AJP13OutputStream _ajpOut;
private String _remoteHost;
private String _remoteAddr;
private String _serverName;
private int _serverPort;
private boolean _isSSL;
/* ------------------------------------------------------------ */
public AJP13Connection(AJP13Listener listener, InputStream in, OutputStream out, Socket socket, int bufferSize) throws IOException
{
super(listener,null,new AJP13InputStream(in,out,bufferSize),out,socket);
LineInput lin=(LineInput)getInputStream().getInputStream();
_ajpIn=(AJP13InputStream)lin.getInputStream();
_ajpOut=new AJP13OutputStream(getOutputStream().getOutputStream(),bufferSize);
_ajpOut.setCommitObserver(this);
getOutputStream().setBufferedOutputStream(_ajpOut);
_listener=listener;
}
/* ------------------------------------------------------------ */
/**
* Get the Remote address.
*
* @return the remote address
*/
public InetAddress getRemoteInetAddress()
{
return null;
}
/* ------------------------------------------------------------ */
public void destroy()
{
if (_ajpIn!=null)
_ajpIn.destroy();
_ajpIn=null;
if (_ajpOut!=null)
_ajpOut.destroy();
_ajpOut=null;
_remoteHost=null;
_remoteAddr=null;
_serverName=null;
}
/* ------------------------------------------------------------ */
/**
* Get the Remote address.
*
* @return the remote host name
*/
public String getRemoteAddr()
{
return _remoteAddr;
}
/* ------------------------------------------------------------ */
/**
* Get the Remote address.
*
* @return the remote host name
*/
public String getRemoteHost()
{
return _remoteHost;
}
/* ------------------------------------------------------------ */
/**
* Get the listeners HttpServer . Conveniance method equivalent to
* getListener().getHost().
*
* @return HttpServer.
*/
public String getServerName()
{
return _serverName;
}
/* ------------------------------------------------------------ */
/**
* Get the listeners Port . Conveniance method equivalent to
* getListener().getPort().
*
* @return HttpServer.
*/
public int getServerPort()
{
return _serverPort;
}
/* ------------------------------------------------------------ */
/**
* Get the listeners Default scheme. Conveniance method equivalent to
* getListener().getDefaultProtocol().
*
* @return HttpServer.
*/
public String getDefaultScheme()
{
return _isSSL?HttpMessage.__SSL_SCHEME:super.getDefaultScheme();
}
/* ------------------------------------------------------------ */
public boolean isSSL()
{
return _isSSL;
}
/* ------------------------------------------------------------ */
public boolean handleNext()
{
AJP13RequestPacket packet=null;
HttpRequest request=getRequest();
HttpResponse response=getResponse();
HttpContext context=null;
boolean gotRequest=false;
_persistent=true;
_keepAlive=true;
try
{
try
{
packet=null;
packet=_ajpIn.nextPacket();
if (packet==null)
return false;
if (packet.getDataSize()==0)
return true;
}
catch (IOException e)
{
LogSupport.ignore(log,e);
return false;
}
int type=packet.getByte();
if (log.isDebugEnabled())
log.debug("AJP13 type="+type+" size="+packet.unconsumedData());
switch (type)
{
case AJP13Packet.__FORWARD_REQUEST:
request.setTimeStamp(System.currentTimeMillis());
request.setState(HttpMessage.__MSG_EDITABLE);
request.setMethod(packet.getMethod());
request.setVersion(packet.getString());
String version=packet.getString();
try
{
request.setVersion(version);
}
catch(Exception e)
{
log.warn("Bad version"+version,e);
log.warn(packet.toString());
}
String path=packet.getString();
int sc=path.lastIndexOf(";");
if (sc<0)
request.setPath(URI.encodePath(path));
else
request.setPath(URI.encodePath(path.substring(0,sc))+path.substring(sc));
_remoteAddr=packet.getString();
_remoteHost=packet.getString();
_serverName=packet.getString();
_serverPort=packet.getInt();
_isSSL=packet.getBoolean();
// Check keep alive
_keepAlive=request.getDotVersion()>=1;
// Headers
int h=packet.getInt();
for (int i=0; i<h; i++)
{
String hdr=packet.getHeader();
String val=packet.getString();
request.addField(hdr,val);
if (!_keepAlive&&hdr.equalsIgnoreCase(HttpFields.__Connection)&&val.equalsIgnoreCase(HttpFields.__KeepAlive))
_keepAlive=true;
}
// Handler other attributes
byte attr=packet.getByte();
while ((0xFF&attr)!=0xFF)
{
String value=(attr==11)?null:packet.getString();
switch (attr)
{
case 11: // key size
request.setAttribute("javax.servlet.request.key_size",new Integer(packet.getInt()));
break;
case 10: // request attribute
request.setAttribute(value,packet.getString());
break;
case 9: // SSL session
request.setAttribute("javax.servlet.request.ssl_session",value);
break;
case 8: // SSL cipher
request.setAttribute("javax.servlet.request.cipher_suite",value);
break;
case 7: // SSL cert
// request.setAttribute("javax.servlet.request.X509Certificate",value);
CertificateFactory cf=CertificateFactory.getInstance("X.509");
InputStream certstream=new ByteArrayInputStream(value.getBytes());
X509Certificate cert=(X509Certificate)cf.generateCertificate(certstream);
X509Certificate certs[]=
{ cert };
request.setAttribute("javax.servlet.request.X509Certificate",certs);
break;
case 6: // JVM Route
request.setAttribute("net.lightbody.bmp.proxy.jetty.http.ajp.JVMRoute",value);
break;
case 5: // Query String
request.setQuery(value);
break;
case 4: // AuthType
request.setAuthType(value);
break;
case 3: // Remote User
request.setAuthUser(value);
break;
case 2: // servlet path not implemented
case 1: // _context not implemented
default:
log.warn("Unknown attr: "+attr+"="+value);
}
attr=packet.getByte();
}
_listener.customizeRequest(this,request);
gotRequest=true;
statsRequestStart();
request.setState(HttpMessage.__MSG_RECEIVED);
// Complete response
if (request.getContentLength()==0&&request.getField(HttpFields.__TransferEncoding)==null)
_ajpIn.close();
// Prepare response
response.setState(HttpMessage.__MSG_EDITABLE);
response.setVersion(HttpMessage.__HTTP_1_1);
response.setDateField(HttpFields.__Date,_request.getTimeStamp());
if (!Version.isParanoid())
response.setField(HttpFields.__Server,Version.getDetail());
// Service request
if (log.isDebugEnabled())
log.debug("REQUEST:\n"+request);
context=service(request,response);
if (log.isDebugEnabled())
log.debug("RESPONSE:\n"+response);
break;
default:
if (log.isDebugEnabled())
log.debug("Ignored: "+packet);
_persistent=false;
}
}
catch (SocketException e)
{
LogSupport.ignore(log,e);
_persistent=false;
}
catch (Exception e)
{
log.warn(LogSupport.EXCEPTION,e);
_persistent=false;
try
{
if (gotRequest)
_ajpOut.close();
}
catch (IOException e2)
{
LogSupport.ignore(log,e2);
}
}
finally
{
// abort if nothing received.
if (packet==null||!gotRequest)
return false;
// flush and end the output
try
{
// Consume unread input.
// while(_ajpIn.skip(4096)>0 || _ajpIn.read()>=0);
// end response
getOutputStream().close();
if (!_persistent)
_ajpOut.end();
// Close the outout
_ajpOut.close();
// reset streams
getOutputStream().resetStream();
getOutputStream().addObserver(this);
getInputStream().resetStream();
_ajpIn.resetStream();
_ajpOut.resetStream();
}
catch (Exception e)
{
log.debug(LogSupport.EXCEPTION,e);
_persistent=false;
}
finally
{
statsRequestEnd();
if (context!=null)
context.log(request,response,-1);
}
}
return _persistent;
}
/* ------------------------------------------------------------ */
protected void firstWrite() throws IOException
{
log.debug("ajp13 firstWrite()");
}
/* ------------------------------------------------------------ */
protected void commit() throws IOException
{
log.debug("ajp13 commit()");
if (_response.isCommitted())
return;
_request.setHandled(true);
getOutputStream().writeHeader(_response);
}
/* ------------------------------------------------------------ */
protected void setupOutputStream() throws IOException
{
// Nobble the OutputStream for HEAD requests
if (HttpRequest.__HEAD.equals(getRequest().getMethod()))
getOutputStream().nullOutput();
}
}