| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/protocol/RequestTargetAuthentication.java $ |
| * $Revision: 673450 $ |
| * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 2008) $ |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.http.client.protocol; |
| |
| import java.io.IOException; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.http.HttpException; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpRequestInterceptor; |
| import org.apache.http.auth.AUTH; |
| import org.apache.http.auth.AuthScheme; |
| import org.apache.http.auth.AuthState; |
| import org.apache.http.auth.AuthenticationException; |
| import org.apache.http.auth.Credentials; |
| import org.apache.http.protocol.HttpContext; |
| |
| /** |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @version $Revision: 673450 $ |
| * |
| * @since 4.0 |
| */ |
| public class RequestTargetAuthentication implements HttpRequestInterceptor { |
| |
| private final Log log = LogFactory.getLog(getClass()); |
| |
| public RequestTargetAuthentication() { |
| super(); |
| } |
| |
| public void process(final HttpRequest request, final HttpContext context) |
| throws HttpException, IOException { |
| if (request == null) { |
| throw new IllegalArgumentException("HTTP request may not be null"); |
| } |
| if (context == null) { |
| throw new IllegalArgumentException("HTTP context may not be null"); |
| } |
| |
| if (request.containsHeader(AUTH.WWW_AUTH_RESP)) { |
| return; |
| } |
| |
| // Obtain authentication state |
| AuthState authState = (AuthState) context.getAttribute( |
| ClientContext.TARGET_AUTH_STATE); |
| if (authState == null) { |
| return; |
| } |
| |
| AuthScheme authScheme = authState.getAuthScheme(); |
| if (authScheme == null) { |
| return; |
| } |
| |
| Credentials creds = authState.getCredentials(); |
| if (creds == null) { |
| this.log.debug("User credentials not available"); |
| return; |
| } |
| |
| if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) { |
| try { |
| request.addHeader(authScheme.authenticate(creds, request)); |
| } catch (AuthenticationException ex) { |
| if (this.log.isErrorEnabled()) { |
| this.log.error("Authentication error: " + ex.getMessage()); |
| } |
| } |
| } |
| } |
| |
| } |