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.win;
28
29 import java.util.Locale;
30
31 import org.apache.hc.client5.http.auth.AuthSchemeFactory;
32 import org.apache.hc.client5.http.auth.StandardAuthScheme;
33 import org.apache.hc.client5.http.impl.auth.BasicSchemeFactory;
34 import org.apache.hc.client5.http.impl.auth.DigestSchemeFactory;
35 import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
36 import org.apache.hc.client5.http.impl.classic.HttpClientBuilder;
37 import org.apache.hc.core5.http.config.Registry;
38 import org.apache.hc.core5.http.config.RegistryBuilder;
39
40 /**
41 * Factory methods for {@link org.apache.hc.client5.http.impl.classic.CloseableHttpClient} instances configured to use integrated
42 * Windows authentication by default.
43 *
44 * @since 4.4
45 */
46 public class WinHttpClients {
47
48 private WinHttpClients() {
49 super();
50 }
51
52 public static boolean isWinAuthAvailable() {
53 String os = System.getProperty("os.name");
54 os = os != null ? os.toLowerCase(Locale.ROOT) : null;
55 return os != null && os.contains("windows");
56 }
57
58 private static HttpClientBuilder createBuilder() {
59 if (isWinAuthAvailable()) {
60 final Registry<AuthSchemeFactory> authSchemeRegistry = RegistryBuilder.<AuthSchemeFactory>create()
61 .register(StandardAuthScheme.BASIC, BasicSchemeFactory.INSTANCE)
62 .register(StandardAuthScheme.DIGEST, DigestSchemeFactory.INSTANCE)
63 .register(StandardAuthScheme.NTLM, WindowsNTLMSchemeFactory.DEFAULT)
64 .register(StandardAuthScheme.SPNEGO, WindowsNegotiateSchemeFactory.DEFAULT)
65 .build();
66 return HttpClientBuilder.create()
67 .setDefaultAuthSchemeRegistry(authSchemeRegistry);
68 }
69 return HttpClientBuilder.create();
70 }
71
72 /**
73 * Creates builder object for construction of custom
74 * {@link CloseableHttpClient} instances.
75 */
76 public static HttpClientBuilder custom() {
77 return createBuilder();
78 }
79
80 /**
81 * Creates {@link CloseableHttpClient} instance with default
82 * configuration.
83 */
84 public static CloseableHttpClient createDefault() {
85 return createBuilder().build();
86 }
87
88 /**
89 * Creates {@link CloseableHttpClient} instance with default
90 * configuration based on system properties.
91 */
92 public static CloseableHttpClient createSystem() {
93 return createBuilder().useSystemProperties().build();
94 }
95
96
97 }