coyoterequest.java

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/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/coyote/tomcat5/CoyoteRequest.java,v 1.30 2004/02/02 20:03:05 remm Exp $
 * $Revision: 1.30 $
 * $Date: 2004/02/02 20:03:05 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.coyote.tomcat5;


import java.io.InputStream;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.Socket;
import java.security.Principal;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import java.util.TreeMap;

import javax.security.auth.Subject;
import javax.servlet.FilterChain;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestAttributeEvent;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.tomcat.util.buf.B2CConverter;
import org.apache.tomcat.util.buf.MessageBytes;
import org.apache.tomcat.util.http.FastHttpDateFormat;
import org.apache.tomcat.util.http.Parameters;
import org.apache.tomcat.util.http.mapper.MappingData;

import org.apache.coyote.ActionCode;
import org.apache.coyote.Request;

import org.apache.catalina.Connector;
import org.apache.catalina.Context;
import org.apache.catalina.Globals;
import org.apache.catalina.Host;
import org.apache.catalina.HttpRequest;
import org.apache.catalina.Logger;
import org.apache.catalina.Manager;
import org.apache.catalina.Realm;
import org.apache.catalina.Session;
import org.apache.catalina.ValveContext;
import org.apache.catalina.Wrapper;

import org.apache.catalina.core.ApplicationFilterFactory;
import org.apache.catalina.util.Enumerator;
import org.apache.catalina.util.ParameterMap;
import org.apache.catalina.util.RequestUtil;
import org.apache.catalina.util.StringManager;
import org.apache.catalina.util.StringParser;
import org.apache.commons.logging.Log;

/**
 * Wrapper object for the Coyote request.
 *
 * @author Remy Maucherat
 * @author Craig R. McClanahan
 * @version $Revision: 1.30 $ $Date: 2004/02/02 20:03:05 $
 */

public class CoyoteRequest
    implements HttpRequest, HttpServletRequest {


    // ----------------------------------------------------------- Constructors


    public CoyoteRequest() {

        formats[0].setTimeZone(TimeZone.getTimeZone("GMT"));
        formats[1].setTimeZone(TimeZone.getTimeZone("GMT"));
        formats[2].setTimeZone(TimeZone.getTimeZone("GMT"));

    }


    // ------------------------------------------------------------- Properties


    /**
     * Coyote request.
     */
    protected Request coyoteRequest;

    /**
     * Set the Coyote request.
     * 
     * @param coyoteRequest The Coyote request
     */
    public void setCoyoteRequest(Request coyoteRequest) {
        this.coyoteRequest = coyoteRequest;
        inputBuffer.setRequest(coyoteRequest);
    }

    /**
     * Get the Coyote request.
     */
    public Request getCoyoteRequest() {
        return (this.coyoteRequest);
    }


    // ----------------------------------------------------- Instance Variables


    /**
     * The string manager for this package.
     */
    protected static StringManager sm =
        StringManager.getManager(Constants.Package);


    /**
     * The set of cookies associated with this Request.
     */
    protected Cookie[] cookies = null;


    /**
     * The set of SimpleDateFormat formats to use in getDateHeader().
     */
    protected SimpleDateFormat formats[] = {
        new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US),
        new SimpleDateFormat("EEEEEE, dd-MMM-yy HH:mm:ss zzz", Locale.US),
        new SimpleDateFormat("EEE MMMM d HH:mm:ss yyyy", Locale.US)
    };


    /**
     * The default Locale if none are specified.
     */
    protected static Locale defaultLocale = Locale.getDefault();


    /**
     * The attributes associated with this Request, keyed by attribute name.
     */
    protected HashMap attributes = new HashMap();


    /**
     * List of read only attributes for this Request.
     */
    private HashMap readOnlyAttributes = new HashMap();


    /**
     * The preferred Locales assocaited with this Request.
     */
    protected ArrayList locales = new ArrayList();


    /**
     * Internal notes associated with this request by Catalina components
     * and event listeners.
     */
    private transient HashMap notes = new HashMap();


    /**
     * Authentication type.
     */
    protected String authType = null;


    /**
     * The current dispatcher type.
     */
    protected Object dispatcherType = null;


    /**
     * The associated input buffer.
     */
    protected InputBuffer inputBuffer = new InputBuffer();


    /**
     * ServletInputStream.
     */
    protected CoyoteInputStream inputStream = 
        new CoyoteInputStream(inputBuffer);


    /**
     * Reader.
     */
    protected BufferedReader reader = new CoyoteReader(inputBuffer);


    /**
     * Using stream flag.
     */
    protected boolean usingInputStream = false;


    /**
     * Using writer flag.
     */
    protected boolean usingReader = false;


    /**
     * User principal.
     */
    protected Principal userPrincipal = null;


    /**
     * Session parsed flag.
     */
    protected boolean sessionParsed = false;


    /**
     * Request parameters parsed flag.
     */
    protected boolean requestParametersParsed = false;


    /**
     * Secure flag.
     */
    protected boolean secure = false;

    
    /**
     * The Subject associated with the current AccessControllerContext
     */
    protected Subject subject = null;


    /**
     * Post data buffer.
     */
    protected static int CACHED_POST_LEN = 8192;
    protected byte[] postData = null;


    /**
     * Hash map used in the getParametersMap method.
     */
    protected ParameterMap parameterMap = new ParameterMap();


    /**
     * The currently active session for this request.
     */
    protected Session session = null;


    /**
     * The current request dispatcher path.
     */
    protected Object requestDispatcherPath = null;


    /**
     * Was the requested session ID received in a cookie?
     */
    protected boolean requestedSessionCookie = false;


    /**
     * The requested session ID (if any) for this request.
     */
    protected String requestedSessionId = null;


    /**
     * Was the requested session ID received in a URL?
     */
    protected boolean requestedSessionURL = false;


    /**
     * The socket through which this Request was received.
     */
    protected Socket socket = null;


    /**
     * Parse locales.
     */
    protected boolean localesParsed = false;


    /**
     * The string parser we will use for parsing request lines.
     */
    private StringParser parser = new StringParser();


    /**
     * Local port
     */
    protected int localPort = -1;

    /**
     * Remote address.
     */
    protected String remoteAddr = null;


    /**
     * Remote host.
     */
    protected String remoteHost = null;

    
    /**
     * Remote port
     */
    protected int remotePort = -1;
    
    /**
     * Local address
     */
    protected String localAddr = null;

    
    /**
     * Local address
     */
    protected String localName = null;

    /** After the request is mapped to a ServletContext, we can also
     * map it to a logger.
     */ 
    protected Log log=null;
    
    // --------------------------------------------------------- Public Methods

    /**
     * Release all object references, and initialize instance variables, in
     * preparation for reuse of this object.
     */
    public void recycle() {

        context = null;
        wrapper = null;

        dispatcherType = null;
        requestDispatcherPath = null;

        authType = null;
        inputBuffer.recycle();
        usingInputStream = false;
        usingReader = false;
        userPrincipal = null;
        subject = null;
        sessionParsed = false;
        requestParametersParsed = false;
        locales.clear();
        localesParsed = false;
        secure = false;
        remoteAddr = null;
        remoteHost = null;
        remotePort = -1;
        localPort = -1;
        localAddr = null;
        localName = null;

        attributes.clear();
        notes.clear();
        cookies = null;

        if (session != null) {
            session.endAccess();
        }
        session = null;
        requestedSessionCookie = false;
        requestedSessionId = null;
        requestedSessionURL = false;
        log = null;

        parameterMap.setLocked(false);
        parameterMap.clear();

        mappingData.recycle();

        if ((Constants.SECURITY) && (facade != null)) {
            facade.clear();
            facade = null;
        }

    }


    // -------------------------------------------------------- Request Methods


    /**
     * Return the authorization credentials sent with this request.
     */
    public String getAuthorization() {
        return (coyoteRequest.getHeader(Constants.AUTHORIZATION_HEADER));
    }