The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/DefaultProxyAuthenticationHandler.java@fc2d59ddac77

     1 /*

     2  * ====================================================================

     3  * Licensed to the Apache Software Foundation (ASF) under one

     4  * or more contributor license agreements.  See the NOTICE file

     5  * distributed with this work for additional information

     6  * regarding copyright ownership.  The ASF licenses this file

     7  * to you under the Apache License, Version 2.0 (the

     8  * "License"); you may not use this file except in compliance

     9  * with the License.  You may obtain a copy of the License at

    10  *

    11  *   http://www.apache.org/licenses/LICENSE-2.0

    12  *

    13  * Unless required by applicable law or agreed to in writing,

    14  * software distributed under the License is distributed on an

    15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

    16  * KIND, either express or implied.  See the License for the

    17  * specific language governing permissions and limitations

    18  * under the License.

    19  * ====================================================================

    20  *

    21  * This software consists of voluntary contributions made by many

    22  * individuals on behalf of the Apache Software Foundation.  For more

    23  * information on the Apache Software Foundation, please see

    24  * <http://www.apache.org/>.

    25  *

    26  */

    28 package ch.boye.httpclientandroidlib.impl.client;

    30 import java.util.List;

    31 import java.util.Map;

    33 import ch.boye.httpclientandroidlib.annotation.Immutable;

    35 import ch.boye.httpclientandroidlib.Header;

    36 import ch.boye.httpclientandroidlib.HttpResponse;

    37 import ch.boye.httpclientandroidlib.HttpStatus;

    38 import ch.boye.httpclientandroidlib.auth.AUTH;

    39 import ch.boye.httpclientandroidlib.auth.MalformedChallengeException;

    40 import ch.boye.httpclientandroidlib.auth.params.AuthPNames;

    41 import ch.boye.httpclientandroidlib.client.AuthenticationHandler;

    42 import ch.boye.httpclientandroidlib.protocol.HttpContext;

    44 /**

    45  * Default {@link AuthenticationHandler} implementation for proxy host

    46  * authentication.

    47  *

    48  * @since 4.0

    49  */

    50 @Immutable

    51 public class DefaultProxyAuthenticationHandler extends AbstractAuthenticationHandler {

    53     public DefaultProxyAuthenticationHandler() {

    54         super();

    55     }

    57     public boolean isAuthenticationRequested(

    58             final HttpResponse response,

    59             final HttpContext context) {

    60         if (response == null) {

    61             throw new IllegalArgumentException("HTTP response may not be null");

    62         }

    63         int status = response.getStatusLine().getStatusCode();

    64         return status == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED;

    65     }

    67     public Map<String, Header> getChallenges(

    68             final HttpResponse response,

    69             final HttpContext context) throws MalformedChallengeException {

    70         if (response == null) {

    71             throw new IllegalArgumentException("HTTP response may not be null");

    72         }

    73         Header[] headers = response.getHeaders(AUTH.PROXY_AUTH);

    74         return parseChallenges(headers);

    75     }

    77     @Override

    78     protected List<String> getAuthPreferences(

    79             final HttpResponse response,

    80             final HttpContext context) {

    81         @SuppressWarnings("unchecked")

    82         List<String> authpref = (List<String>) response.getParams().getParameter(

    83                 AuthPNames.PROXY_AUTH_PREF);

    84         if (authpref != null) {

    85             return authpref;

    86         } else {

    87             return super.getAuthPreferences(response, context);

    88         }

    89     }

    91 }

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