warprequesthandler.java

Tomcat 4.1与WebServer集成组件的源代码包.

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package org.apache.catalina.connector.warp;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import java.util.Locale;
import java.util.TreeMap;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Deployer;
import org.apache.catalina.Globals;
import org.apache.catalina.Host;
import org.apache.catalina.core.StandardHost;
import org.apache.catalina.util.RequestUtil;
import org.apache.catalina.util.StringParser;

import java.security.Principal;

public class WarpRequestHandler {

    private StringParser parser = new StringParser();
    private static final String match=";"+Globals.SESSION_PARAMETER_NAME+"=";

    /* ==================================================================== */
    /* Constructor                                                          */
    /* ==================================================================== */

    public WarpRequestHandler() {
        super();
    }

    public boolean handle(WarpConnection connection, WarpPacket packet)
    throws IOException {
        WarpLogger logger=new WarpLogger(this);
        WarpConnector connector=connection.getConnector();
        logger.setContainer(connector.getContainer());
        WarpRequest request=new WarpRequest();
        WarpResponse response=new WarpResponse();
        response.setRequest(request);
        response.setConnection(connection);
        response.setPacket(packet);
        request.setConnection(connection);
        request.setConnector(connector);

        // Prepare the Proceed packet
        packet.reset();
        packet.setType(Constants.TYPE_CONF_PROCEED);
        connection.send(packet);

        // Loop for configuration packets
        while (true) {
            connection.recv(packet);

            switch (packet.getType()) {
                case Constants.TYPE_REQ_INIT: {
                    int id=packet.readInteger();
                    String meth=packet.readString();
                    String ruri=packet.readString();
                    String args=packet.readString();
                    String prot=packet.readString();
                    if (Constants.DEBUG)
                        logger.debug("Request ID="+id+" \""+meth+" "+ruri+
                                     "?"+args+" "+prot+"\"");

                    request.recycle();
                    response.recycle();
                    response.setRequest(request);
                    response.setConnection(connection);
                    response.setPacket(packet);

                    request.setMethod(meth);
                    this.processUri(logger,request,ruri);
                    if (args.length()>0) request.setQueryString(args);
                    else request.setQueryString(null);
                    request.setProtocol(prot);
                    request.setConnection(connection);
                    Context ctx=connector.applicationContext(id);
                    if (ctx!=null) {
                        request.setContext(ctx);
                        request.setContextPath(ctx.getPath());
                        request.setHost((Host)ctx.getParent());
                    }
                    break;
                }

                case Constants.TYPE_REQ_CONTENT: {
                    String ctyp=packet.readString();
                    int clen=packet.readInteger();
                    if (Constants.DEBUG)
                        logger.debug("Request content type="+ctyp+" length="+
                                     clen);
                    if (ctyp.length()>0) request.setContentType(ctyp);
                    if (clen>0) request.setContentLength(clen);
                    break;
                }

                case Constants.TYPE_REQ_SCHEME: {
                    String schm=packet.readString();
                    if (Constants.DEBUG)
                        logger.debug("Request scheme="+schm);
                    request.setScheme(schm);
                    if (schm.equals("https"))
                       request.setSecure(true);
                    break;
                }

                case Constants.TYPE_REQ_AUTH: {
                    String user=packet.readString();
                    String auth=packet.readString();
                    if (Constants.DEBUG)
                        logger.debug("Request user="+user+" auth="+auth);
                    request.setAuthType(auth);
                    // What to do for user name?
                    if(user != null && auth != null && auth.equals("Basic")) {
                        Principal prin = new BasicPrincipal(user);
                        request.setUserPrincipal(prin);
                    }

                    break;
                }

                case Constants.TYPE_REQ_HEADER: {
                    String hnam=packet.readString();
                    String hval=packet.readString();
                    this.processHeader(logger,request,hnam,hval);
                    break;
                }

                case Constants.TYPE_REQ_SERVER: {
                    String host=packet.readString();
                    String addr=packet.readString();
                    int port=packet.readUnsignedShort();
                    if (Constants.DEBUG)
                        logger.debug("Server detail "+host+":"+port+
                                     " ("+addr+")");
                    request.setServerName(host);
                    request.setServerPort(port);
                    break;
                }

                case Constants.TYPE_REQ_CLIENT: {
                    String host=packet.readString();
                    String addr=packet.readString();
                    int port=packet.readUnsignedShort();
                    if (Constants.DEBUG)
                        logger.debug("Client detail "+host+":"+port+
                                     " ("+addr+")");
                    request.setRemoteHost(host);
                    request.setRemoteAddr(addr);
                    break;
                }

                case Constants.TYPE_REQ_PROCEED: {
                    if (Constants.DEBUG)
                        logger.debug("Request is about to be processed");
                    try {
                        connector.getContainer().invoke(request,response);