1 /* 2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/client/DefaultUserTokenHandler.java $ 3 * $Revision: 659971 $ 4 * $Date: 2008-05-25 05:01:22 -0700 (Sun, 25 May 2008) $ 5 * 6 * ==================================================================== 7 * 8 * Licensed to the Apache Software Foundation (ASF) under one or more 9 * contributor license agreements. See the NOTICE file distributed with 10 * this work for additional information regarding copyright ownership. 11 * The ASF licenses this file to You under the Apache License, Version 2.0 12 * (the "License"); you may not use this file except in compliance with 13 * 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, software 18 * distributed under the License is distributed on an "AS IS" BASIS, 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 * ==================================================================== 23 * 24 * This software consists of voluntary contributions made by many 25 * individuals on behalf of the Apache Software Foundation. For more 26 * information on the Apache Software Foundation, please see 27 * <http://www.apache.org/>. 28 * 29 */ 30 31 package org.apache.http.impl.client; 32 33 import java.security.Principal; 34 35 import javax.net.ssl.SSLSession; 36 37 import org.apache.http.auth.AuthScheme; 38 import org.apache.http.auth.AuthState; 39 import org.apache.http.auth.Credentials; 40 import org.apache.http.client.UserTokenHandler; 41 import org.apache.http.client.protocol.ClientContext; 42 import org.apache.http.conn.ManagedClientConnection; 43 import org.apache.http.protocol.ExecutionContext; 44 import org.apache.http.protocol.HttpContext; 45 46 public class DefaultUserTokenHandler implements UserTokenHandler { 47 48 public Object getUserToken(final HttpContext context) { 49 50 Principal userPrincipal = null; 51 52 AuthState targetAuthState = (AuthState) context.getAttribute( 53 ClientContext.TARGET_AUTH_STATE); 54 if (targetAuthState != null) { 55 userPrincipal = getAuthPrincipal(targetAuthState); 56 if (userPrincipal == null) { 57 AuthState proxyAuthState = (AuthState) context.getAttribute( 58 ClientContext.PROXY_AUTH_STATE); 59 userPrincipal = getAuthPrincipal(proxyAuthState); 60 } 61 } 62 63 if (userPrincipal == null) { 64 ManagedClientConnection conn = (ManagedClientConnection) context.getAttribute( 65 ExecutionContext.HTTP_CONNECTION); 66 if (conn.isOpen()) { 67 SSLSession sslsession = conn.getSSLSession(); 68 if (sslsession != null) { 69 userPrincipal = sslsession.getLocalPrincipal(); 70 } 71 } 72 } 73 74 return userPrincipal; 75 } 76 77 private static Principal getAuthPrincipal(final AuthState authState) { 78 AuthScheme scheme = authState.getAuthScheme(); 79 if (scheme != null && scheme.isComplete() && scheme.isConnectionBased()) { 80 Credentials creds = authState.getCredentials(); 81 if (creds != null) { 82 return creds.getUserPrincipal(); 83 } 84 } 85 return null; 86 } 87 88 } 89