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      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/RFC2109DomainHandler.java $
      3  * $Revision: 653041 $
      4  * $Date: 2008-05-03 03:39:28 -0700 (Sat, 03 May 2008) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 package org.apache.http.impl.cookie;
     32 
     33 import java.util.Locale;
     34 
     35 import org.apache.http.cookie.Cookie;
     36 import org.apache.http.cookie.CookieAttributeHandler;
     37 import org.apache.http.cookie.CookieOrigin;
     38 import org.apache.http.cookie.MalformedCookieException;
     39 import org.apache.http.cookie.SetCookie;
     40 /**
     41  * @deprecated Please use {@link java.net.URL#openConnection} instead.
     42  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
     43  *     for further details.
     44 */
     45 
     46 @Deprecated
     47 public class RFC2109DomainHandler implements CookieAttributeHandler {
     48 
     49     public RFC2109DomainHandler() {
     50         super();
     51     }
     52 
     53     public void parse(final SetCookie cookie, final String value)
     54             throws MalformedCookieException {
     55         if (cookie == null) {
     56             throw new IllegalArgumentException("Cookie may not be null");
     57         }
     58         if (value == null) {
     59             throw new MalformedCookieException("Missing value for domain attribute");
     60         }
     61         if (value.trim().length() == 0) {
     62             throw new MalformedCookieException("Blank value for domain attribute");
     63         }
     64         cookie.setDomain(value);
     65     }
     66 
     67     public void validate(final Cookie cookie, final CookieOrigin origin)
     68             throws MalformedCookieException {
     69         if (cookie == null) {
     70             throw new IllegalArgumentException("Cookie may not be null");
     71         }
     72         if (origin == null) {
     73             throw new IllegalArgumentException("Cookie origin may not be null");
     74         }
     75         String host = origin.getHost();
     76         String domain = cookie.getDomain();
     77         if (domain == null) {
     78             throw new MalformedCookieException("Cookie domain may not be null");
     79         }
     80         if (!domain.equals(host)) {
     81             int dotIndex = domain.indexOf('.');
     82             if (dotIndex == -1) {
     83                 throw new MalformedCookieException("Domain attribute \""
     84                         + domain
     85                         + "\" does not match the host \""
     86                         + host + "\"");
     87             }
     88             // domain must start with dot
     89             if (!domain.startsWith(".")) {
     90                 throw new MalformedCookieException("Domain attribute \""
     91                     + domain
     92                     + "\" violates RFC 2109: domain must start with a dot");
     93             }
     94             // domain must have at least one embedded dot
     95             dotIndex = domain.indexOf('.', 1);
     96             if (dotIndex < 0 || dotIndex == domain.length() - 1) {
     97                 throw new MalformedCookieException("Domain attribute \""
     98                     + domain
     99                     + "\" violates RFC 2109: domain must contain an embedded dot");
    100             }
    101             host = host.toLowerCase(Locale.ENGLISH);
    102             if (!host.endsWith(domain)) {
    103                 throw new MalformedCookieException(
    104                     "Illegal domain attribute \"" + domain
    105                     + "\". Domain of origin: \"" + host + "\"");
    106             }
    107             // host minus domain may not contain any dots
    108             String hostWithoutDomain = host.substring(0, host.length() - domain.length());
    109             if (hostWithoutDomain.indexOf('.') != -1) {
    110                 throw new MalformedCookieException("Domain attribute \""
    111                     + domain
    112                     + "\" violates RFC 2109: host minus domain may not contain any dots");
    113             }
    114         }
    115     }
    116 
    117     public boolean match(final Cookie cookie, final CookieOrigin origin) {
    118         if (cookie == null) {
    119             throw new IllegalArgumentException("Cookie may not be null");
    120         }
    121         if (origin == null) {
    122             throw new IllegalArgumentException("Cookie origin may not be null");
    123         }
    124         String host = origin.getHost();
    125         String domain = cookie.getDomain();
    126         if (domain == null) {
    127             return false;
    128         }
    129         return host.equals(domain) || (domain.startsWith(".") && host.endsWith(domain));
    130     }
    131 
    132 }
    133