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 package org.apache.hc.client5.http.impl.auth;
28
29 import org.apache.hc.client5.http.DnsResolver;
30 import org.apache.hc.client5.http.auth.StandardAuthScheme;
31 import org.apache.hc.client5.http.auth.KerberosConfig;
32 import org.apache.hc.core5.annotation.Experimental;
33 import org.ietf.jgss.GSSException;
34 import org.ietf.jgss.Oid;
35
36 /**
37 * SPNEGO (Simple and Protected GSSAPI Negotiation Mechanism) authentication
38 * scheme.
39 * <p>
40 * Please note this class is considered experimental and may be discontinued or removed
41 * in the future.
42 * </p>
43 *
44 * @since 4.2
45 */
46 @Experimental
47 public class SPNegoScheme extends GGSSchemeBase {
48
49 private static final String SPNEGO_OID = "1.3.6.1.5.5.2";
50
51 /**
52 * @since 5.0
53 */
54 public SPNegoScheme(final KerberosConfig config, final DnsResolver dnsResolver) {
55 super(config, dnsResolver);
56 }
57
58 public SPNegoScheme() {
59 super();
60 }
61
62 @Override
63 public String getName() {
64 return StandardAuthScheme.SPNEGO;
65 }
66
67 @Override
68 protected byte[] generateToken(final byte[] input, final String serviceName, final String authServer) throws GSSException {
69 return generateGSSToken(input, new Oid(SPNEGO_OID), serviceName, authServer);
70 }
71
72 @Override
73 public boolean isConnectionBased() {
74 return true;
75 }
76
77 }