mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/AuthScheme.java

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /*
michael@0 2 * ====================================================================
michael@0 3 *
michael@0 4 * Licensed to the Apache Software Foundation (ASF) under one or more
michael@0 5 * contributor license agreements. See the NOTICE file distributed with
michael@0 6 * this work for additional information regarding copyright ownership.
michael@0 7 * The ASF licenses this file to You under the Apache License, Version 2.0
michael@0 8 * (the "License"); you may not use this file except in compliance with
michael@0 9 * the License. You may obtain a copy of the License at
michael@0 10 *
michael@0 11 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 12 *
michael@0 13 * Unless required by applicable law or agreed to in writing, software
michael@0 14 * distributed under the License is distributed on an "AS IS" BASIS,
michael@0 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0 16 * See the License for the specific language governing permissions and
michael@0 17 * limitations under the License.
michael@0 18 * ====================================================================
michael@0 19 *
michael@0 20 * This software consists of voluntary contributions made by many
michael@0 21 * individuals on behalf of the Apache Software Foundation. For more
michael@0 22 * information on the Apache Software Foundation, please see
michael@0 23 * <http://www.apache.org/>.
michael@0 24 *
michael@0 25 */
michael@0 26
michael@0 27 package ch.boye.httpclientandroidlib.auth;
michael@0 28
michael@0 29 import ch.boye.httpclientandroidlib.Header;
michael@0 30 import ch.boye.httpclientandroidlib.HttpRequest;
michael@0 31
michael@0 32 /**
michael@0 33 * This interface represents an abstract challenge-response oriented
michael@0 34 * authentication scheme.
michael@0 35 * <p>
michael@0 36 * An authentication scheme should be able to support the following
michael@0 37 * functions:
michael@0 38 * <ul>
michael@0 39 * <li>Parse and process the challenge sent by the target server
michael@0 40 * in response to request for a protected resource
michael@0 41 * <li>Provide its textual designation
michael@0 42 * <li>Provide its parameters, if available
michael@0 43 * <li>Provide the realm this authentication scheme is applicable to,
michael@0 44 * if available
michael@0 45 * <li>Generate authorization string for the given set of credentials
michael@0 46 * and the HTTP request in response to the authorization challenge.
michael@0 47 * </ul>
michael@0 48 * <p>
michael@0 49 * Authentication schemes may be stateful involving a series of
michael@0 50 * challenge-response exchanges.
michael@0 51 * <p>
michael@0 52 * IMPORTANT: implementations of this interface MUST also implement {@link ContextAwareAuthScheme}
michael@0 53 * interface in order to remain API compatible with newer versions of HttpClient.
michael@0 54 *
michael@0 55 * @since 4.0
michael@0 56 */
michael@0 57
michael@0 58 public interface AuthScheme {
michael@0 59
michael@0 60 /**
michael@0 61 * Processes the given challenge token. Some authentication schemes
michael@0 62 * may involve multiple challenge-response exchanges. Such schemes must be able
michael@0 63 * to maintain the state information when dealing with sequential challenges
michael@0 64 *
michael@0 65 * @param header the challenge header
michael@0 66 */
michael@0 67 void processChallenge(final Header header) throws MalformedChallengeException;
michael@0 68
michael@0 69 /**
michael@0 70 * Returns textual designation of the given authentication scheme.
michael@0 71 *
michael@0 72 * @return the name of the given authentication scheme
michael@0 73 */
michael@0 74 String getSchemeName();
michael@0 75
michael@0 76 /**
michael@0 77 * Returns authentication parameter with the given name, if available.
michael@0 78 *
michael@0 79 * @param name The name of the parameter to be returned
michael@0 80 *
michael@0 81 * @return the parameter with the given name
michael@0 82 */
michael@0 83 String getParameter(final String name);
michael@0 84
michael@0 85 /**
michael@0 86 * Returns authentication realm. If the concept of an authentication
michael@0 87 * realm is not applicable to the given authentication scheme, returns
michael@0 88 * <code>null</code>.
michael@0 89 *
michael@0 90 * @return the authentication realm
michael@0 91 */
michael@0 92 String getRealm();
michael@0 93
michael@0 94 /**
michael@0 95 * Tests if the authentication scheme is provides authorization on a per
michael@0 96 * connection basis instead of usual per request basis
michael@0 97 *
michael@0 98 * @return <tt>true</tt> if the scheme is connection based, <tt>false</tt>
michael@0 99 * if the scheme is request based.
michael@0 100 */
michael@0 101 boolean isConnectionBased();
michael@0 102
michael@0 103 /**
michael@0 104 * Authentication process may involve a series of challenge-response exchanges.
michael@0 105 * This method tests if the authorization process has been completed, either
michael@0 106 * successfully or unsuccessfully, that is, all the required authorization
michael@0 107 * challenges have been processed in their entirety.
michael@0 108 *
michael@0 109 * @return <tt>true</tt> if the authentication process has been completed,
michael@0 110 * <tt>false</tt> otherwise.
michael@0 111 */
michael@0 112 boolean isComplete();
michael@0 113
michael@0 114 /**
michael@0 115 * Produces an authorization string for the given set of {@link Credentials}.
michael@0 116 *
michael@0 117 * @param credentials The set of credentials to be used for athentication
michael@0 118 * @param request The request being authenticated
michael@0 119 * @throws AuthenticationException if authorization string cannot
michael@0 120 * be generated due to an authentication failure
michael@0 121 *
michael@0 122 * @return the authorization string
michael@0 123 *
michael@0 124 * @deprecated Use {@link ContextAwareAuthScheme#authenticate(Credentials, HttpRequest, ch.boye.httpclientandroidlib.protocol.HttpContext)}
michael@0 125 */
michael@0 126 @Deprecated
michael@0 127 Header authenticate(Credentials credentials, HttpRequest request)
michael@0 128 throws AuthenticationException;
michael@0 129
michael@0 130 }

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