1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/protocol/RequestProxyAuthentication.java $ 3 * $Revision: 673450 $ 4 * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ 5 * 6 * ==================================================================== 7 * Licensed to the Apache Software Foundation (ASF) under one 8 * or more contributor license agreements. See the NOTICE file 9 * distributed with this work for additional information 10 * regarding copyright ownership. The ASF licenses this file 11 * to you under the Apache License, Version 2.0 (the 12 * "License"); you may not use this file except in compliance 13 * with the License. You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, 18 * software distributed under the License is distributed on an 19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20 * KIND, either express or implied. See the License for the 21 * specific language governing permissions and limitations 22 * under the License. 23 * ==================================================================== 24 * 25 * This software consists of voluntary contributions made by many 26 * individuals on behalf of the Apache Software Foundation. For more 27 * information on the Apache Software Foundation, please see 28 * <http://www.apache.org/>. 29 * 30 */ 31 32 package org.apache.http.client.protocol; 33 34 import java.io.IOException; 35 36 import org.apache.commons.logging.Log; 37 import org.apache.commons.logging.LogFactory; 38 import org.apache.http.HttpException; 39 import org.apache.http.HttpRequest; 40 import org.apache.http.HttpRequestInterceptor; 41 import org.apache.http.auth.AUTH; 42 import org.apache.http.auth.AuthScheme; 43 import org.apache.http.auth.AuthState; 44 import org.apache.http.auth.AuthenticationException; 45 import org.apache.http.auth.Credentials; 46 import org.apache.http.protocol.HttpContext; 47 48 /** 49 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> 50 * 51 * @version $Revision: 673450 $ 52 * 53 * @since 4.0 54 * 55 * @deprecated Please use {@link java.net.URL#openConnection} instead. 56 * Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a> 57 * for further details. 58 */ 59 @Deprecated 60 public class RequestProxyAuthentication implements HttpRequestInterceptor { 61 62 private final Log log = LogFactory.getLog(getClass()); 63 64 public RequestProxyAuthentication() { 65 super(); 66 } 67 68 public void process(final HttpRequest request, final HttpContext context) 69 throws HttpException, IOException { 70 if (request == null) { 71 throw new IllegalArgumentException("HTTP request may not be null"); 72 } 73 if (context == null) { 74 throw new IllegalArgumentException("HTTP context may not be null"); 75 } 76 77 if (request.containsHeader(AUTH.PROXY_AUTH_RESP)) { 78 return; 79 } 80 81 // Obtain authentication state 82 AuthState authState = (AuthState) context.getAttribute( 83 ClientContext.PROXY_AUTH_STATE); 84 if (authState == null) { 85 return; 86 } 87 88 AuthScheme authScheme = authState.getAuthScheme(); 89 if (authScheme == null) { 90 return; 91 } 92 93 Credentials creds = authState.getCredentials(); 94 if (creds == null) { 95 this.log.debug("User credentials not available"); 96 return; 97 } 98 if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) { 99 try { 100 request.addHeader(authScheme.authenticate(creds, request)); 101 } catch (AuthenticationException ex) { 102 if (this.log.isErrorEnabled()) { 103 this.log.error("Proxy authentication error: " + ex.getMessage()); 104 } 105 } 106 } 107 } 108 109 } 110
