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 */
31package org.apache.http.impl.cookie;
32
33import java.util.Locale;
34
35import org.apache.http.cookie.Cookie;
36import org.apache.http.cookie.CookieAttributeHandler;
37import org.apache.http.cookie.CookieOrigin;
38import org.apache.http.cookie.MalformedCookieException;
39import 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
47public 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