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comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseAuthCache.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseAuthCache.java
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| -1:000000000000 | 0:b0b9e870020d |
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| 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 */ | |
| 27 | |
| 28 package ch.boye.httpclientandroidlib.client.protocol; | |
| 29 | |
| 30 import java.io.IOException; | |
| 31 | |
| 32 import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog; | |
| 33 /* LogFactory removed by HttpClient for Android script. */ | |
| 34 import ch.boye.httpclientandroidlib.HttpException; | |
| 35 import ch.boye.httpclientandroidlib.HttpHost; | |
| 36 import ch.boye.httpclientandroidlib.HttpResponse; | |
| 37 import ch.boye.httpclientandroidlib.HttpResponseInterceptor; | |
| 38 import ch.boye.httpclientandroidlib.annotation.Immutable; | |
| 39 import ch.boye.httpclientandroidlib.auth.AuthScheme; | |
| 40 import ch.boye.httpclientandroidlib.auth.AuthState; | |
| 41 import ch.boye.httpclientandroidlib.client.AuthCache; | |
| 42 import ch.boye.httpclientandroidlib.client.params.AuthPolicy; | |
| 43 import ch.boye.httpclientandroidlib.impl.client.BasicAuthCache; | |
| 44 import ch.boye.httpclientandroidlib.protocol.ExecutionContext; | |
| 45 import ch.boye.httpclientandroidlib.protocol.HttpContext; | |
| 46 | |
| 47 /** | |
| 48 * Response interceptor that adds successfully completed {@link AuthScheme}s | |
| 49 * to the local {@link AuthCache} instance. Cached {@link AuthScheme}s can be | |
| 50 * re-used when executing requests against known hosts, thus avoiding | |
| 51 * additional authentication round-trips. | |
| 52 * | |
| 53 * @since 4.1 | |
| 54 */ | |
| 55 @Immutable | |
| 56 public class ResponseAuthCache implements HttpResponseInterceptor { | |
| 57 | |
| 58 public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass()); | |
| 59 | |
| 60 public ResponseAuthCache() { | |
| 61 super(); | |
| 62 } | |
| 63 | |
| 64 public void process(final HttpResponse response, final HttpContext context) | |
| 65 throws HttpException, IOException { | |
| 66 if (response == null) { | |
| 67 throw new IllegalArgumentException("HTTP request may not be null"); | |
| 68 } | |
| 69 if (context == null) { | |
| 70 throw new IllegalArgumentException("HTTP context may not be null"); | |
| 71 } | |
| 72 AuthCache authCache = (AuthCache) context.getAttribute(ClientContext.AUTH_CACHE); | |
| 73 | |
| 74 HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST); | |
| 75 AuthState targetState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE); | |
| 76 if (target != null && targetState != null) { | |
| 77 if (isCachable(targetState)) { | |
| 78 if (authCache == null) { | |
| 79 authCache = new BasicAuthCache(); | |
| 80 context.setAttribute(ClientContext.AUTH_CACHE, authCache); | |
| 81 } | |
| 82 cache(authCache, target, targetState); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 HttpHost proxy = (HttpHost) context.getAttribute(ExecutionContext.HTTP_PROXY_HOST); | |
| 87 AuthState proxyState = (AuthState) context.getAttribute(ClientContext.PROXY_AUTH_STATE); | |
| 88 if (proxy != null && proxyState != null) { | |
| 89 if (isCachable(proxyState)) { | |
| 90 if (authCache == null) { | |
| 91 authCache = new BasicAuthCache(); | |
| 92 context.setAttribute(ClientContext.AUTH_CACHE, authCache); | |
| 93 } | |
| 94 cache(authCache, proxy, proxyState); | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 private boolean isCachable(final AuthState authState) { | |
| 100 AuthScheme authScheme = authState.getAuthScheme(); | |
| 101 if (authScheme == null || !authScheme.isComplete()) { | |
| 102 return false; | |
| 103 } | |
| 104 String schemeName = authScheme.getSchemeName(); | |
| 105 return schemeName.equalsIgnoreCase(AuthPolicy.BASIC) || | |
| 106 schemeName.equalsIgnoreCase(AuthPolicy.DIGEST); | |
| 107 } | |
| 108 | |
| 109 private void cache(final AuthCache authCache, final HttpHost host, final AuthState authState) { | |
| 110 AuthScheme authScheme = authState.getAuthScheme(); | |
| 111 if (authState.getAuthScope() != null) { | |
| 112 if (authState.getCredentials() != null) { | |
| 113 if (this.log.isDebugEnabled()) { | |
| 114 this.log.debug("Caching '" + authScheme.getSchemeName() + | |
| 115 "' auth scheme for " + host); | |
| 116 } | |
| 117 authCache.put(host, authScheme); | |
| 118 } else { | |
| 119 authCache.remove(host); | |
| 120 } | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 } |
