/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/java/org/apache/commons/httpclient/cookie/NetscapeDraftSpec.java,v 1.7 2003/01/28 04:40:23 jsdever Exp $
* $Revision: 1.7 $
* $Date: 2003/01/28 04:40:23 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002-2003 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", "Commons", 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 apache@apache.org.
*
* 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
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* 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
* .
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.commons.httpclient.cookie;
import java.util.StringTokenizer;
import java.util.Date;
import java.util.Locale;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.Cookie;
/**
*
Netscape cookie draft specific cookie management functions
*
* @author B.C. Holmes
* @author Park, Sung-Gu
* @author Doug Sale
* @author Rod Waldhoff
* @author dIon Gillard
* @author Sean C. Sullivan
* @author John Evans
* @author Marc A. Saegesser
* @author Oleg Kalnichevski
* @author Mike Bowler
*
* @since 2.0
*/
public class NetscapeDraftSpec extends CookieSpecBase {
/** Default constructor */
public NetscapeDraftSpec() {
super();
}
/**
* Parse the cookie attribute and update the corresponsing {@link Cookie}
* properties as defined by the Netscape draft specification
*
* @param attribute {@link NameValuePair} cookie attribute from the
* Set- Cookie
* @param cookie {@link Cookie} to be updated
* @throws MalformedCookieException if an exception occurs during parsing
*/
public void parseAttribute(
final NameValuePair attribute, final Cookie cookie)
throws MalformedCookieException {
if (attribute == null) {
throw new IllegalArgumentException("Attribute may not be null.");
}
if (cookie == null) {
throw new IllegalArgumentException("Cookie may not be null.");
}
final String paramName = attribute.getName().toLowerCase();
final String paramValue = attribute.getValue();
if (paramName.equals("expires")) {
if (paramValue == null) {
throw new MalformedCookieException(
"Missing value for expires attribute");
}
try {
DateFormat expiryFormat = new SimpleDateFormat(
"EEE, dd-MMM-yyyy HH:mm:ss z", Locale.US);
Date date = expiryFormat.parse(paramValue);
cookie.setExpiryDate(date);
} catch (ParseException e) {
throw new MalformedCookieException("Invalid expires "
+ "attribute: " + e.getMessage());
}
} else {
super.parseAttribute(attribute, cookie);
}
}
/**
* Performs Netscape draft compliant {@link Cookie} validation
*
* @param host the host from which the {@link Cookie} was received
* @param port the port from which the {@link Cookie} was received
* @param path the path from which the {@link Cookie} was received
* @param secure true when the {@link Cookie} was received
* using a secure connection
* @param cookie The cookie to validate.
* @throws MalformedCookieException if an exception occurs during
* validation
*/
public void validate(String host, int port, String path,
boolean secure, final Cookie cookie)
throws MalformedCookieException {
LOG.trace("enterNetscapeDraftCookieProcessor "
+ "RCF2109CookieProcessor.validate(Cookie)");
// Perform generic validation
super.validate(host, port, path, secure, cookie);
// Perform Netscape Cookie draft specific validation
if (host.indexOf(".") >= 0) {
int domainParts = new StringTokenizer(cookie.getDomain(), ".")
.countTokens();
if (isSpecialDomain(cookie.getDomain())) {
if (domainParts < 2) {
throw new MalformedCookieException("Domain attribute \""
+ cookie.getDomain()
+ "\" violates the Netscape cookie specification for "
+ "special domains");
}
} else {
if (domainParts < 3) {
throw new MalformedCookieException("Domain attribute \""
+ cookie.getDomain()
+ "\" violates the Netscape cookie specification");
}
}
}
}
/**
* Checks if the given domain is in one of the seven special
* top level domains defined by the Netscape cookie specification.
* @param domain The domain.
* @return True if the specified domain is "special"
*/
private static boolean isSpecialDomain(final String domain) {
final String ucDomain = domain.toUpperCase();
if (ucDomain.endsWith(".COM")
|| ucDomain.endsWith(".EDU")
|| ucDomain.endsWith(".NET")
|| ucDomain.endsWith(".GOV")
|| ucDomain.endsWith(".MIL")
|| ucDomain.endsWith(".ORG")
|| ucDomain.endsWith(".INT")) {
return true;
}
return false;
}
}
