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      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  * @deprecated Please use {@link java.net.URL#openConnection} instead.
     47  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
     48  *     for further details.
     49 */
     50 
     51 @Deprecated
     52 public class DefaultUserTokenHandler implements UserTokenHandler {
     53 
     54     public Object getUserToken(final HttpContext context) {
     55 
     56         Principal userPrincipal = null;
     57 
     58         AuthState targetAuthState = (AuthState) context.getAttribute(
     59                 ClientContext.TARGET_AUTH_STATE);
     60         if (targetAuthState != null) {
     61             userPrincipal = getAuthPrincipal(targetAuthState);
     62             if (userPrincipal == null) {
     63                 AuthState proxyAuthState = (AuthState) context.getAttribute(
     64                         ClientContext.PROXY_AUTH_STATE);
     65                 userPrincipal = getAuthPrincipal(proxyAuthState);
     66             }
     67         }
     68 
     69         if (userPrincipal == null) {
     70             ManagedClientConnection conn = (ManagedClientConnection) context.getAttribute(
     71                     ExecutionContext.HTTP_CONNECTION);
     72             if (conn.isOpen()) {
     73                 SSLSession sslsession = conn.getSSLSession();
     74                 if (sslsession != null) {
     75                     userPrincipal = sslsession.getLocalPrincipal();
     76                 }
     77             }
     78         }
     79 
     80         return userPrincipal;
     81     }
     82 
     83     private static Principal getAuthPrincipal(final AuthState authState) {
     84         AuthScheme scheme = authState.getAuthScheme();
     85         if (scheme != null && scheme.isComplete() && scheme.isConnectionBased()) {
     86             Credentials creds = authState.getCredentials();
     87             if (creds != null) {
     88                 return creds.getUserPrincipal();
     89             }
     90         }
     91         return null;
     92     }
     93 
     94 }
     95