Edit D:\app\Administrator\product\11.2.0\dbhome_1\owb\lib\int\HTTPClient\Cookie2.java

/*
 * @(#)Cookie2.java					0.3-3 06/05/2001
 *
 *  This file is part of the HTTPClient package
 *  Copyright (C) 1996-2001 Ronald Tschal?
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA 02111-1307, USA
 *
 *  For questions, suggestions, bug-reports, enhancement-requests etc.
 *  I may be contacted at:
 *
 *  ronald@innovation.ch
 *
 *  The HTTPClient's home page is located at:
 *
 *  http://www.innovation.ch/java/HTTPClient/ 
 *
 */

package HTTPClient;

import java.io.UnsupportedEncodingException;
import java.net.ProtocolException;
import java.util.Date;
import java.util.Vector;
import java.util.StringTokenizer;

/**
 * This class represents an http cookie as specified in the <A
 * HREF="http://www.ietf.org/rfc/rfc2965.txt">HTTP State Management Mechanism spec</A>
 * (also known as a version 1 cookie).
 *
 * @version	0.3-3  06/05/2001
 * @author	Ronald Tschal?
 * @since	V0.3
 */
public class Cookie2 extends Cookie
{
    /** Make this compatible with V0.3-2 */
    private static final long serialVersionUID = 2208203902820875917L;

protected int     version;
    protected boolean discard;
    protected String  comment;
    protected URI     comment_url;
    protected int[]   port_list;
    protected String  port_list_str;

protected boolean path_set;
    protected boolean port_set;
    protected boolean domain_set;

/**
     * Create a cookie.
     *
     * @param name      the cookie name
     * @param value     the cookie value
     * @param domain    the host this cookie will be sent to
     * @param port_list an array of allowed server ports for this cookie,
     *                  or null if the the cookie may be sent to any port
     * @param path      the path prefix for which this cookie will be sent
     * @param epxires   the Date this cookie expires, or null if never
     * @param discard   if true then the cookie will be discarded at the
     *                  end of the session regardless of expiry
     * @param secure    if true this cookie will only be over secure connections
     * @param comment   the comment associated with this cookie, or null if none
     * @param comment_url the comment URL associated with this cookie, or null
     *                    if none
     * @exception NullPointerException if <var>name</var>, <var>value</var>,
     *                                 <var>domain</var>, or <var>path</var>
     *                                 is null
     */
    public Cookie2(String name, String value, String domain, int[] port_list,
		   String path, Date expires, boolean discard, boolean secure,
		   String comment, URI comment_url)
    {
	super(name, value, domain, path, expires, secure);

this.discard     = discard;
	this.port_list   = port_list;
	this.comment     = comment;
	this.comment_url = comment_url;

path_set   = true;
	domain_set = true;

if (port_list != null  &&  port_list.length > 0)
	{
	    StringBuffer tmp = new StringBuffer();
	    tmp.append(port_list[0]);
	    for (int idx=1; idx<port_list.length; idx++)
	    {
		tmp.append(',');
		tmp.append(port_list[idx]);
	    }

port_list_str = tmp.toString();
	    port_set      = true;
	}

version = 1;
    }

/**
     * Use <code>parse()</code> to create cookies.
     *
     * @see #parse(java.lang.String, HTTPClient.RoRequest)
     */
    protected Cookie2(RoRequest req)
    {
	super(req);

path = Util.getPath(req.getRequestURI());
	int slash = path.lastIndexOf('/');
	if (slash != -1)  path = path.substring(0, slash+1);
	if (domain.indexOf('.') == -1)  domain += ".local";

version       = -1;
	discard       = false;
	comment       = null;
	comment_url   = null;
	port_list     = null;
	port_list_str = null;

path_set      = false;
	port_set      = false;
	domain_set    = false;
    }

/**
     * Parses the Set-Cookie2 header into an array of Cookies.
     *
     * @param set_cookie the Set-Cookie2 header received from the server
     * @param req the request used
     * @return an array of Cookies as parsed from the Set-Cookie2 header
     * @exception ProtocolException if an error occurs during parsing
     */
    protected static Cookie[] parse(String set_cookie, RoRequest req)
		throws ProtocolException
    {
	Vector cookies;
	try
	    { cookies = Util.parseHeader(set_cookie); }
	catch (ParseException pe)
	    { throw new ProtocolException(pe.getMessage()); }

Cookie cookie_arr[] = new Cookie[cookies.size()];
	int cidx=0;
	for (int idx=0; idx<cookie_arr.length; idx++)
	{
	    HttpHeaderElement c_elem =
			(HttpHeaderElement) cookies.elementAt(idx);

// set NAME and VALUE

if (c_elem.getValue() == null)
		throw new ProtocolException("Bad Set-Cookie2 header: " +
					    set_cookie + "\nMissing value " +
					    "for cookie '" + c_elem.getName() +
					    "'");
	    Cookie2 curr = new Cookie2(req);
	    curr.name    = c_elem.getName();
	    curr.value   = c_elem.getValue();

// set all params

NVPair[] params = c_elem.getParams();
	    boolean discard_set = false, secure_set = false;
	    for (int idx2=0; idx2<params.length; idx2++)
	    {
		String name = params[idx2].getName().toLowerCase();

// check for required value parts
		if ((name.equals("version")  ||  name.equals("max-age")  ||
		     name.equals("domain")  ||  name.equals("path")  ||
		     name.equals("comment")  ||  name.equals("commenturl"))  &&
		    params[idx2].getValue() == null)
		{
		    throw new ProtocolException("Bad Set-Cookie2 header: " +
						set_cookie + "\nMissing value "+
						"for " + params[idx2].getName()+
						" attribute in cookie '" +
						c_elem.getName() + "'");
		}

if (name.equals("version"))		// Version
		{
		    if (curr.version != -1)  continue;
		    try
		    {
			curr.version =
				Integer.parseInt(params[idx2].getValue());
		    }
		    catch (NumberFormatException nfe)
		    {
			throw new ProtocolException("Bad Set-Cookie2 header: " +
						    set_cookie + "\nVersion '" +
						    params[idx2].getValue() +
						    "' not a number");
		    }
		}
		else if (name.equals("path"))		// Path
		{
		    if (curr.path_set)  continue;
		    curr.path = params[idx2].getValue();
		    curr.path_set = true;
		}
		else if (name.equals("domain"))		// Domain
		{
		    if (curr.domain_set)  continue;
		    String d = params[idx2].getValue().toLowerCase();

// add leading dot if not present and if domain is
		    // not the full host name
		    if (d.charAt(0) != '.'  &&  !d.equals(curr.domain))
			curr.domain = "." + d;
		    else
			curr.domain = d;
		    curr.domain_set = true;
		}
		else if (name.equals("max-age"))	// Max-Age
		{
		    if (curr.expires != null)  continue;
		    int age;
		    try
			{ age = Integer.parseInt(params[idx2].getValue()); }
		    catch (NumberFormatException nfe)
		    {
			throw new ProtocolException("Bad Set-Cookie2 header: " +
					    set_cookie + "\nMax-Age '" +
					    params[idx2].getValue() +
					    "' not a number");
		    }
		    curr.expires =
			    new Date(System.currentTimeMillis() + age*1000L);
		}
		else if (name.equals("port"))		// Port
		{
		    if (curr.port_set)  continue;

if (params[idx2].getValue() == null)
		    {
			curr.port_list    = new int[1];
			curr.port_list[0] = req.getConnection().getPort();
			curr.port_set     = true;
			continue;
		    }

curr.port_list_str = params[idx2].getValue();
		    StringTokenizer tok =
			    new StringTokenizer(params[idx2].getValue(), ",");
		    curr.port_list = new int[tok.countTokens()];
		    for (int idx3=0; idx3<curr.port_list.length; idx3++)
		    {
			String port = tok.nextToken().trim();
			try
			    { curr.port_list[idx3] = Integer.parseInt(port); }
			catch (NumberFormatException nfe)
			{
			    throw new ProtocolException("Bad Set-Cookie2 header: " +
						    set_cookie + "\nPort '" +
						    port + "' not a number");
			}
		    }
		    curr.port_set = true;
		}
		else if (name.equals("discard"))	// Domain
		{
		    if (discard_set)  continue;
		    curr.discard = true;
		    discard_set  = true;
		}
		else if (name.equals("secure"))		// Secure
		{
		    if (secure_set)  continue;
		    curr.secure = true;
		    secure_set  = true;
		}
		else if (name.equals("comment"))	// Comment
		{
		    if (curr.comment != null)  continue;
		    try
		    {
			curr.comment =
			    new String(params[idx2].getValue().getBytes("8859_1"), "UTF8");
		    }
		    catch (UnsupportedEncodingException usee)
			{ throw new Error(usee.toString()); /* shouldn't happen */ }
		}
		else if (name.equals("commenturl"))	// CommentURL
		{
		    if (curr.comment_url != null)  continue;
		    try
			{ curr.comment_url = new URI(params[idx2].getValue()); }
		    catch (ParseException pe)
		    {
			throw new ProtocolException("Bad Set-Cookie2 header: " +
						set_cookie + "\nCommentURL '" +
						params[idx2].getValue() +
						"' not a valid URL");
		    }
		}
		// ignore unknown element
	    }

// check version

if (curr.version == -1)  continue;

// setup defaults

if (curr.expires == null)  curr.discard = true;

// check validity

// path attribute must be a prefix of the request-URI
	    if (!Util.getPath(req.getRequestURI()).startsWith(curr.path))
	    {
		Log.write(Log.COOKI, "Cook2: Bad Set-Cookie2 header: " +
				     set_cookie + "\n       path `" +
				     curr.path + "' is not a prefix of the " +
				     "request uri `" + req.getRequestURI() +
				     "'");
		continue;
	    }

// if host name is simple (i.e w/o a domain) then append .local
	    String eff_host = req.getConnection().getHost();
	    if (eff_host.indexOf('.') == -1)  eff_host += ".local";

// domain must be either .local or must contain at least two dots
	    if (!curr.domain.equals(".local")  &&
		curr.domain.indexOf('.', 1) == -1)
	    {
		Log.write(Log.COOKI, "Cook2: Bad Set-Cookie2 header: " +
				     set_cookie + "\n       domain `" +
				     curr.domain + "' is not `.local' and " +
				     "doesn't contain two `.'s");
		continue;
	    }

// domain must domain match host
	    if (!eff_host.endsWith(curr.domain))
	    {
		Log.write(Log.COOKI, "Cook2: Bad Set-Cookie2 header: " +
				     set_cookie + "\n       domain `" +
				     curr.domain + "' does not match current" +
				     "host `" + eff_host + "'"); 
		continue;
	    }

// host minus domain may not contain any dots
	    if (eff_host.substring(0, eff_host.length()-curr.domain.length()).
		indexOf('.') != -1)
	    {
		Log.write(Log.COOKI, "Cook2: Bad Set-Cookie2 header: " +
				     set_cookie + "\n       domain `" +
				     curr.domain + "' is more than one `.'" +
				     "away from host `" + eff_host + "'"); 
		continue;
	    }

// if a port list is given it must include the current port
	    if (curr.port_set)
	    {
		int idx2=0;
		for (idx2=0; idx2<curr.port_list.length; idx2++)
		    if (curr.port_list[idx2] == req.getConnection().getPort())
			break;
		if (idx2 == curr.port_list.length)
		{
		    Log.write(Log.COOKI, "Cook2: Bad Set-Cookie2 header: " +
					 set_cookie + "\n       port list " +
					 "does include current port " +
					 req.getConnection().getPort());
		    continue;
		}
	    }

// looks ok

cookie_arr[cidx++] = curr;
	}

if (cidx < cookie_arr.length)
	    cookie_arr = Util.resizeArray(cookie_arr, cidx);

return cookie_arr;
    }

/**
     * @return the version as an int
     */
    public int getVersion()
    {
	return version;
    }

/**
     * @return the comment string, or null if none was set
     */
    public String getComment()
    {
	return comment;
    }

/**
     * @return the comment url
     */
    public URI getCommentURL()
    {
	return comment_url;
    }

/**
     * @return the array of ports
     */
    public int[] getPorts()
    {
	return port_list;
    }

/**
     * @return true if the cookie should be discarded at the end of the
     *         session; false otherwise
     */
    public boolean discard()
    {
	return discard;
    }

/**
     * @param  req  the request to be sent
     * @return true if this cookie should be sent with the request
     */
    protected boolean sendWith(RoRequest req)
    {
	HTTPConnection con = req.getConnection();

boolean port_match = !port_set;
	if (port_set)
	    for (int idx=0; idx<port_list.length; idx++)
		if (port_list[idx] == con.getPort())
		{
		    port_match = true;
		    break;
		}

String eff_host = con.getHost();
	if (eff_host.indexOf('.') == -1)  eff_host += ".local";

return ((domain.charAt(0) == '.'  &&  eff_host.endsWith(domain)  ||
		 domain.charAt(0) != '.'  &&  eff_host.equals(domain))  &&
		port_match  &&
		Util.getPath(req.getRequestURI()).startsWith(path)  &&
		(!secure || con.getProtocol().equals("https") ||
		 con.getProtocol().equals("shttp")));
    }

protected String toExternalForm()
    {
	StringBuffer cookie = new StringBuffer();

if (version == 1)
	{
	    /*
	    cookie.append("$Version=");
	    cookie.append(version);
	    cookie.append("; ");
	    */

cookie.append(name);
	    cookie.append("=");
	    cookie.append(value);

if (path_set)
	    {
		cookie.append("; ");
		cookie.append("$Path=");
		cookie.append(path);
	    }

if (domain_set)
	    {
		cookie.append("; ");
		cookie.append("$Domain=");
		cookie.append(domain);
	    }

if (port_set)
	    {
		cookie.append("; ");
		cookie.append("$Port");
		if (port_list_str != null)
		{
		    cookie.append("=\"");
		    cookie.append(port_list_str);
		    cookie.append('\"');
		}
	    }
	}
	else
	    throw new Error("Internal Error: unknown version " + version);

return cookie.toString();
    }

/**
     * Create a string containing all the cookie fields. The format is that
     * used in the Set-Cookie header.
     */
    public String toString()
    {
	StringBuffer res = new StringBuffer(name.length() + value.length() + 50);
	res.append(name).append('=').append(value);

if (version == 1)
	{
	    res.append("; Version=").append(version);
	    res.append("; Path=").append(path);
	    res.append("; Domain=").append(domain);
	    if (port_set)
	    {
		res.append("; Port=\"").append(port_list[0]);
		for (int idx=1; idx<port_list.length; idx++)
		    res.append(',').append(port_list[idx]);
		res.append('\"');
	    }
	    if (expires != null)
		res.append("; Max-Age=").append(
		    ((expires.getTime() - System.currentTimeMillis()) / 1000L));
	    if (discard)           res.append("; Discard");
	    if (secure)            res.append("; Secure");
	    if (comment != null)   res.append("; Comment=\"").append(comment).append('\"');
	    if (comment_url != null)
		res.append("; CommentURL=\"").append(comment_url).append('\"');
	}
	else
	    throw new Error("Internal Error: unknown version " + version);

return res.toString();
    }
}

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