mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java@fc2d59ddac77
mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
1 /*
2 * ====================================================================
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * 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, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ====================================================================
19 *
20 * This software consists of voluntary contributions made by many
21 * individuals on behalf of the Apache Software Foundation. For more
22 * information on the Apache Software Foundation, please see
23 * <http://www.apache.org/>.
24 *
25 */
27 package ch.boye.httpclientandroidlib.auth;
29 import ch.boye.httpclientandroidlib.Header;
30 import ch.boye.httpclientandroidlib.HttpRequest;
32 /**
33 * This interface represents an abstract challenge-response oriented
34 * authentication scheme.
35 * <p>
36 * An authentication scheme should be able to support the following
37 * functions:
38 * <ul>
39 * <li>Parse and process the challenge sent by the target server
40 * in response to request for a protected resource
41 * <li>Provide its textual designation
42 * <li>Provide its parameters, if available
43 * <li>Provide the realm this authentication scheme is applicable to,
44 * if available
45 * <li>Generate authorization string for the given set of credentials
46 * and the HTTP request in response to the authorization challenge.
47 * </ul>
48 * <p>
49 * Authentication schemes may be stateful involving a series of
50 * challenge-response exchanges.
51 * <p>
52 * IMPORTANT: implementations of this interface MUST also implement {@link ContextAwareAuthScheme}
53 * interface in order to remain API compatible with newer versions of HttpClient.
54 *
55 * @since 4.0
56 */
58 public interface AuthScheme {
60 /**
61 * Processes the given challenge token. Some authentication schemes
62 * may involve multiple challenge-response exchanges. Such schemes must be able
63 * to maintain the state information when dealing with sequential challenges
64 *
65 * @param header the challenge header
66 */
67 void processChallenge(final Header header) throws MalformedChallengeException;
69 /**
70 * Returns textual designation of the given authentication scheme.
71 *
72 * @return the name of the given authentication scheme
73 */
74 String getSchemeName();
76 /**
77 * Returns authentication parameter with the given name, if available.
78 *
79 * @param name The name of the parameter to be returned
80 *
81 * @return the parameter with the given name
82 */
83 String getParameter(final String name);
85 /**
86 * Returns authentication realm. If the concept of an authentication
87 * realm is not applicable to the given authentication scheme, returns
88 * <code>null</code>.
89 *
90 * @return the authentication realm
91 */
92 String getRealm();
94 /**
95 * Tests if the authentication scheme is provides authorization on a per
96 * connection basis instead of usual per request basis
97 *
98 * @return <tt>true</tt> if the scheme is connection based, <tt>false</tt>
99 * if the scheme is request based.
100 */
101 boolean isConnectionBased();
103 /**
104 * Authentication process may involve a series of challenge-response exchanges.
105 * This method tests if the authorization process has been completed, either
106 * successfully or unsuccessfully, that is, all the required authorization
107 * challenges have been processed in their entirety.
108 *
109 * @return <tt>true</tt> if the authentication process has been completed,
110 * <tt>false</tt> otherwise.
111 */
112 boolean isComplete();
114 /**
115 * Produces an authorization string for the given set of {@link Credentials}.
116 *
117 * @param credentials The set of credentials to be used for athentication
118 * @param request The request being authenticated
119 * @throws AuthenticationException if authorization string cannot
120 * be generated due to an authentication failure
121 *
122 * @return the authorization string
123 *
124 * @deprecated Use {@link ContextAwareAuthScheme#authenticate(Credentials, HttpRequest, ch.boye.httpclientandroidlib.protocol.HttpContext)}
125 */
126 @Deprecated
127 Header authenticate(Credentials credentials, HttpRequest request)
128 throws AuthenticationException;
130 }
