The Tor Browser: mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/AbstractAuthenticationHandler.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/AbstractAuthenticationHandler.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/AbstractAuthenticationHandler.java

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 /*
  * ====================================================================
  * 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 ch.boye.httpclientandroidlib.impl.client;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
 /* LogFactory removed by HttpClient for Android script. */
 import ch.boye.httpclientandroidlib.FormattedHeader;
 import ch.boye.httpclientandroidlib.Header;
 import ch.boye.httpclientandroidlib.HttpResponse;
 import ch.boye.httpclientandroidlib.annotation.Immutable;
 import ch.boye.httpclientandroidlib.auth.AuthScheme;
 import ch.boye.httpclientandroidlib.auth.AuthSchemeRegistry;
 import ch.boye.httpclientandroidlib.auth.AuthenticationException;
 import ch.boye.httpclientandroidlib.auth.MalformedChallengeException;
 import ch.boye.httpclientandroidlib.client.AuthenticationHandler;
 import ch.boye.httpclientandroidlib.client.params.AuthPolicy;
 import ch.boye.httpclientandroidlib.client.protocol.ClientContext;
 import ch.boye.httpclientandroidlib.protocol.HTTP;
 import ch.boye.httpclientandroidlib.protocol.HttpContext;
 import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
 /**
  * Base class for {@link AuthenticationHandler} implementations.
  *
  * @since 4.0
  */
 @Immutable
 public abstract class AbstractAuthenticationHandler implements AuthenticationHandler {
     public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
     private static final List<String> DEFAULT_SCHEME_PRIORITY =
         Collections.unmodifiableList(Arrays.asList(new String[] {
                 AuthPolicy.SPNEGO,
                 AuthPolicy.NTLM,
                 AuthPolicy.DIGEST,
                 AuthPolicy.BASIC
     }));
     public AbstractAuthenticationHandler() {
         super();
     }
     protected Map<String, Header> parseChallenges(
             final Header[] headers) throws MalformedChallengeException {
         Map<String, Header> map = new HashMap<String, Header>(headers.length);
         for (Header header : headers) {
             CharArrayBuffer buffer;
             int pos;
             if (header instanceof FormattedHeader) {
                 buffer = ((FormattedHeader) header).getBuffer();
                 pos = ((FormattedHeader) header).getValuePos();
             } else {
                 String s = header.getValue();
                 if (s == null) {
                     throw new MalformedChallengeException("Header value is null");
                 }
                 buffer = new CharArrayBuffer(s.length());
                 buffer.append(s);
                 pos = 0;
             }
             while (pos < buffer.length() && HTTP.isWhitespace(buffer.charAt(pos))) {
                 pos++;
             }
             int beginIndex = pos;
             while (pos < buffer.length() && !HTTP.isWhitespace(buffer.charAt(pos))) {
                 pos++;
             }
             int endIndex = pos;
             String s = buffer.substring(beginIndex, endIndex);
             map.put(s.toLowerCase(Locale.ENGLISH), header);
         }
         return map;
     }
     /**
      * Returns default list of auth scheme names in their order of preference.
      *
      * @return list of auth scheme names
      */
     protected List<String> getAuthPreferences() {
         return DEFAULT_SCHEME_PRIORITY;
     }
     /**
      * Returns default list of auth scheme names in their order of preference
      * based on the HTTP response and the current execution context.
      *
      * @param response HTTP response.
      * @param context HTTP execution context.
      *
      * @since 4.1
      */
     protected List<String> getAuthPreferences(
             final HttpResponse response,
             final HttpContext context) {
         return getAuthPreferences();
     }
     public AuthScheme selectScheme(
             final Map<String, Header> challenges,
             final HttpResponse response,
             final HttpContext context) throws AuthenticationException {
         AuthSchemeRegistry registry = (AuthSchemeRegistry) context.getAttribute(
                 ClientContext.AUTHSCHEME_REGISTRY);
         if (registry == null) {
             throw new IllegalStateException("AuthScheme registry not set in HTTP context");
         }
         Collection<String> authPrefs = getAuthPreferences(response, context);
         if (authPrefs == null) {
             authPrefs = DEFAULT_SCHEME_PRIORITY;
         }
         if (this.log.isDebugEnabled()) {
             this.log.debug("Authentication schemes in the order of preference: "
                 + authPrefs);
         }
         AuthScheme authScheme = null;
         for (String id: authPrefs) {
             Header challenge = challenges.get(id.toLowerCase(Locale.ENGLISH));
             if (challenge != null) {
                 if (this.log.isDebugEnabled()) {
                     this.log.debug(id + " authentication scheme selected");
                 }
                 try {
                     authScheme = registry.getAuthScheme(id, response.getParams());
                     break;
                 } catch (IllegalStateException e) {
                     if (this.log.isWarnEnabled()) {
                         this.log.warn("Authentication scheme " + id + " not supported");
                         // Try again
                     }
                 }
             } else {
                 if (this.log.isDebugEnabled()) {
                     this.log.debug("Challenge for " + id + " authentication scheme not available");
                     // Try again
                 }
             }
         }
         if (authScheme == null) {
             // If none selected, something is wrong
             throw new AuthenticationException(
                 "Unable to respond to any of these challenges: "
                     + challenges);
         }
         return authScheme;
     }
 }

The Tor Browser / annotate

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/AbstractAuthenticationHandler.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/client/AbstractAuthenticationHandler.java