1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/auth/RFC2617Scheme.java $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: 659595 $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: 2008-05-23 09:47:14 -0700 (Fri, 23 May 2008) $ 5069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 6069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 7069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 8069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 9069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 10069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * this work for additional information regarding copyright ownership. 11069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 12069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * (the "License"); you may not use this file except in compliance with 13069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * the License. You may obtain a copy of the License at 14069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 15069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 16069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 17069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 18069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 19069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * See the License for the specific language governing permissions and 21069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * limitations under the License. 22069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 23069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 24069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This software consists of voluntary contributions made by many 25069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * individuals on behalf of the Apache Software Foundation. For more 26069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * information on the Apache Software Foundation, please see 27069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <http://www.apache.org/>. 28069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 29069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 30069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 31069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpackage org.apache.http.impl.auth; 32069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 33069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.HashMap; 34069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.Locale; 35069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.Map; 36069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HeaderElement; 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.auth.MalformedChallengeException; 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.BasicHeaderValueParser; 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.HeaderValueParser; 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.message.ParserCursor; 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.util.CharArrayBuffer; 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/** 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Abstract authentication scheme class that lays foundation for all 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * RFC 2617 compliant authetication schemes and provides capabilities common 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * to all authentication schemes defined in RFC 2617. 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project*/ 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic abstract class RFC2617Scheme extends AuthSchemeBase { 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 53069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 54069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Authentication parameter map. 55069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 56069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private Map<String, String> params; 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 58069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Default constructor for RFC2617 compliant authetication schemes. 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public RFC2617Scheme() { 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project super(); 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 65069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project @Override 66069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected void parseChallenge( 67069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project final CharArrayBuffer buffer, int pos, int len) throws MalformedChallengeException { 68069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderValueParser parser = BasicHeaderValueParser.DEFAULT; 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project ParserCursor cursor = new ParserCursor(pos, buffer.length()); 70069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderElement[] elements = parser.parseElements(buffer, cursor); 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (elements.length == 0) { 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new MalformedChallengeException("Authentication challenge is empty"); 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.params = new HashMap<String, String>(elements.length); 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (HeaderElement element : elements) { 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.params.put(element.getName(), element.getValue()); 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 82069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns authentication parameters map. Keys in the map are lower-cased. 83069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 84069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the map of authentication parameters 85069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 86069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project protected Map<String, String> getParameters() { 87069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (this.params == null) { 88069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.params = new HashMap<String, String>(); 89069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 90069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return this.params; 91069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 92069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 93069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 94069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns authentication parameter with the given name, if available. 95069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 96069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name The name of the parameter to be returned 97069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 98069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the parameter with the given name 99069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 100069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public String getParameter(final String name) { 101069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (name == null) { 102069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project throw new IllegalArgumentException("Parameter name may not be null"); 103069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 104069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (this.params == null) { 105069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return null; 106069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 107069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return this.params.get(name.toLowerCase(Locale.ENGLISH)); 108069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 109069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 110069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 111069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns authentication realm. The realm may not be null. 112069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 113069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the authentication realm 114069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 115069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public String getRealm() { 116069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return getParameter("realm"); 117069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 118069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 119069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 120