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/lib/src/org/apache/http/conn/ssl/StrictHostnameVerifier.java

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Java | 69 lines | 16 code | 7 blank | 46 comment | 0 complexity | 444c60a3f8390432d10aff684915e110 MD5 | raw file
Possible License(s): GPL-3.0
 1/*
 2 * ====================================================================
 3 * Licensed to the Apache Software Foundation (ASF) under one
 4 * or more contributor license agreements.  See the NOTICE file
 5 * distributed with this work for additional information
 6 * regarding copyright ownership.  The ASF licenses this file
 7 * to you under the Apache License, Version 2.0 (the
 8 * "License"); you may not use this file except in compliance
 9 * with the License.  You may obtain a copy of the License at
10 *
11 *   http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied.  See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation.  For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28package org.apache.http.conn.ssl;
29
30import javax.net.ssl.SSLException;
31
32import org.apache.http.annotation.Immutable;
33
34/**
35 * The Strict HostnameVerifier works the same way as Sun Java 1.4, Sun
36 * Java 5, Sun Java 6-rc.  It's also pretty close to IE6.  This
37 * implementation appears to be compliant with RFC 2818 for dealing with
38 * wildcards.
39 * <p/>
40 * The hostname must match either the first CN, or any of the subject-alts.
41 * A wildcard can occur in the CN, and in any of the subject-alts.  The
42 * one divergence from IE6 is how we only check the first CN.  IE6 allows
43 * a match against any of the CNs present.  We decided to follow in
44 * Sun Java 1.4's footsteps and only check the first CN.  (If you need
45 * to check all the CN's, feel free to write your own implementation!).
46 * <p/>
47 * A wildcard such as "*.foo.com" matches only subdomains in the same
48 * level, for example "a.foo.com".  It does not match deeper subdomains
49 * such as "a.b.foo.com".
50 *
51 *
52 * @since 4.0
53 */
54@Immutable
55public class StrictHostnameVerifier extends AbstractVerifier {
56
57    public final void verify(
58            final String host,
59            final String[] cns,
60            final String[] subjectAlts) throws SSLException {
61        verify(host, cns, subjectAlts, true);
62    }
63
64    @Override
65    public final String toString() {
66        return "STRICT";
67    }
68
69}