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comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestAuthCache.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestAuthCache.java
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| -1:000000000000 | 0:5353fa9441d0 |
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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.HttpRequest; | |
| 37 import ch.boye.httpclientandroidlib.HttpRequestInterceptor; | |
| 38 import ch.boye.httpclientandroidlib.annotation.Immutable; | |
| 39 import ch.boye.httpclientandroidlib.auth.AuthScheme; | |
| 40 import ch.boye.httpclientandroidlib.auth.AuthScope; | |
| 41 import ch.boye.httpclientandroidlib.auth.AuthState; | |
| 42 import ch.boye.httpclientandroidlib.auth.Credentials; | |
| 43 import ch.boye.httpclientandroidlib.client.AuthCache; | |
| 44 import ch.boye.httpclientandroidlib.client.CredentialsProvider; | |
| 45 import ch.boye.httpclientandroidlib.protocol.ExecutionContext; | |
| 46 import ch.boye.httpclientandroidlib.protocol.HttpContext; | |
| 47 | |
| 48 /** | |
| 49 * Request interceptor that can preemptively authenticate against known hosts, | |
| 50 * if there is a cached {@link AuthScheme} instance in the local | |
| 51 * {@link AuthCache} associated with the given target or proxy host. | |
| 52 * | |
| 53 * @since 4.1 | |
| 54 */ | |
| 55 @Immutable | |
| 56 public class RequestAuthCache implements HttpRequestInterceptor { | |
| 57 | |
| 58 public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass()); | |
| 59 | |
| 60 public RequestAuthCache() { | |
| 61 super(); | |
| 62 } | |
| 63 | |
| 64 public void process(final HttpRequest request, final HttpContext context) | |
| 65 throws HttpException, IOException { | |
| 66 if (request == 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 | |
| 73 AuthCache authCache = (AuthCache) context.getAttribute(ClientContext.AUTH_CACHE); | |
| 74 if (authCache == null) { | |
| 75 this.log.debug("Auth cache not set in the context"); | |
| 76 return; | |
| 77 } | |
| 78 | |
| 79 CredentialsProvider credsProvider = (CredentialsProvider) context.getAttribute( | |
| 80 ClientContext.CREDS_PROVIDER); | |
| 81 if (credsProvider == null) { | |
| 82 this.log.debug("Credentials provider not set in the context"); | |
| 83 return; | |
| 84 } | |
| 85 | |
| 86 HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST); | |
| 87 AuthState targetState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE); | |
| 88 if (target != null && targetState != null && targetState.getAuthScheme() == null) { | |
| 89 AuthScheme authScheme = authCache.get(target); | |
| 90 if (authScheme != null) { | |
| 91 doPreemptiveAuth(target, authScheme, targetState, credsProvider); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 HttpHost proxy = (HttpHost) context.getAttribute(ExecutionContext.HTTP_PROXY_HOST); | |
| 96 AuthState proxyState = (AuthState) context.getAttribute(ClientContext.PROXY_AUTH_STATE); | |
| 97 if (proxy != null && proxyState != null && proxyState.getAuthScheme() == null) { | |
| 98 AuthScheme authScheme = authCache.get(proxy); | |
| 99 if (authScheme != null) { | |
| 100 doPreemptiveAuth(proxy, authScheme, proxyState, credsProvider); | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 private void doPreemptiveAuth( | |
| 106 final HttpHost host, | |
| 107 final AuthScheme authScheme, | |
| 108 final AuthState authState, | |
| 109 final CredentialsProvider credsProvider) { | |
| 110 String schemeName = authScheme.getSchemeName(); | |
| 111 if (this.log.isDebugEnabled()) { | |
| 112 this.log.debug("Re-using cached '" + schemeName + "' auth scheme for " + host); | |
| 113 } | |
| 114 | |
| 115 AuthScope authScope = new AuthScope(host.getHostName(), host.getPort(), | |
| 116 AuthScope.ANY_REALM, schemeName); | |
| 117 Credentials creds = credsProvider.getCredentials(authScope); | |
| 118 | |
| 119 if (creds != null) { | |
| 120 authState.setAuthScheme(authScheme); | |
| 121 authState.setCredentials(creds); | |
| 122 } else { | |
| 123 this.log.debug("No credentials for preemptive authentication"); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 } |
