1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/ResponseAuthCache.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/*
1.5 + * ====================================================================
1.6 + * Licensed to the Apache Software Foundation (ASF) under one
1.7 + * or more contributor license agreements. See the NOTICE file
1.8 + * distributed with this work for additional information
1.9 + * regarding copyright ownership. The ASF licenses this file
1.10 + * to you under the Apache License, Version 2.0 (the
1.11 + * "License"); you may not use this file except in compliance
1.12 + * with the License. You may obtain a copy of the License at
1.13 + *
1.14 + * http://www.apache.org/licenses/LICENSE-2.0
1.15 + *
1.16 + * Unless required by applicable law or agreed to in writing,
1.17 + * software distributed under the License is distributed on an
1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
1.19 + * KIND, either express or implied. See the License for the
1.20 + * specific language governing permissions and limitations
1.21 + * under the License.
1.22 + * ====================================================================
1.23 + *
1.24 + * This software consists of voluntary contributions made by many
1.25 + * individuals on behalf of the Apache Software Foundation. For more
1.26 + * information on the Apache Software Foundation, please see
1.27 + * <http://www.apache.org/>.
1.28 + *
1.29 + */
1.30 +
1.31 +package ch.boye.httpclientandroidlib.client.protocol;
1.32 +
1.33 +import java.io.IOException;
1.34 +
1.35 +import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
1.36 +/* LogFactory removed by HttpClient for Android script. */
1.37 +import ch.boye.httpclientandroidlib.HttpException;
1.38 +import ch.boye.httpclientandroidlib.HttpHost;
1.39 +import ch.boye.httpclientandroidlib.HttpResponse;
1.40 +import ch.boye.httpclientandroidlib.HttpResponseInterceptor;
1.41 +import ch.boye.httpclientandroidlib.annotation.Immutable;
1.42 +import ch.boye.httpclientandroidlib.auth.AuthScheme;
1.43 +import ch.boye.httpclientandroidlib.auth.AuthState;
1.44 +import ch.boye.httpclientandroidlib.client.AuthCache;
1.45 +import ch.boye.httpclientandroidlib.client.params.AuthPolicy;
1.46 +import ch.boye.httpclientandroidlib.impl.client.BasicAuthCache;
1.47 +import ch.boye.httpclientandroidlib.protocol.ExecutionContext;
1.48 +import ch.boye.httpclientandroidlib.protocol.HttpContext;
1.49 +
1.50 +/**
1.51 + * Response interceptor that adds successfully completed {@link AuthScheme}s
1.52 + * to the local {@link AuthCache} instance. Cached {@link AuthScheme}s can be
1.53 + * re-used when executing requests against known hosts, thus avoiding
1.54 + * additional authentication round-trips.
1.55 + *
1.56 + * @since 4.1
1.57 + */
1.58 +@Immutable
1.59 +public class ResponseAuthCache implements HttpResponseInterceptor {
1.60 +
1.61 + public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
1.62 +
1.63 + public ResponseAuthCache() {
1.64 + super();
1.65 + }
1.66 +
1.67 + public void process(final HttpResponse response, final HttpContext context)
1.68 + throws HttpException, IOException {
1.69 + if (response == null) {
1.70 + throw new IllegalArgumentException("HTTP request may not be null");
1.71 + }
1.72 + if (context == null) {
1.73 + throw new IllegalArgumentException("HTTP context may not be null");
1.74 + }
1.75 + AuthCache authCache = (AuthCache) context.getAttribute(ClientContext.AUTH_CACHE);
1.76 +
1.77 + HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
1.78 + AuthState targetState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE);
1.79 + if (target != null && targetState != null) {
1.80 + if (isCachable(targetState)) {
1.81 + if (authCache == null) {
1.82 + authCache = new BasicAuthCache();
1.83 + context.setAttribute(ClientContext.AUTH_CACHE, authCache);
1.84 + }
1.85 + cache(authCache, target, targetState);
1.86 + }
1.87 + }
1.88 +
1.89 + HttpHost proxy = (HttpHost) context.getAttribute(ExecutionContext.HTTP_PROXY_HOST);
1.90 + AuthState proxyState = (AuthState) context.getAttribute(ClientContext.PROXY_AUTH_STATE);
1.91 + if (proxy != null && proxyState != null) {
1.92 + if (isCachable(proxyState)) {
1.93 + if (authCache == null) {
1.94 + authCache = new BasicAuthCache();
1.95 + context.setAttribute(ClientContext.AUTH_CACHE, authCache);
1.96 + }
1.97 + cache(authCache, proxy, proxyState);
1.98 + }
1.99 + }
1.100 + }
1.101 +
1.102 + private boolean isCachable(final AuthState authState) {
1.103 + AuthScheme authScheme = authState.getAuthScheme();
1.104 + if (authScheme == null || !authScheme.isComplete()) {
1.105 + return false;
1.106 + }
1.107 + String schemeName = authScheme.getSchemeName();
1.108 + return schemeName.equalsIgnoreCase(AuthPolicy.BASIC) ||
1.109 + schemeName.equalsIgnoreCase(AuthPolicy.DIGEST);
1.110 + }
1.111 +
1.112 + private void cache(final AuthCache authCache, final HttpHost host, final AuthState authState) {
1.113 + AuthScheme authScheme = authState.getAuthScheme();
1.114 + if (authState.getAuthScope() != null) {
1.115 + if (authState.getCredentials() != null) {
1.116 + if (this.log.isDebugEnabled()) {
1.117 + this.log.debug("Caching '" + authScheme.getSchemeName() +
1.118 + "' auth scheme for " + host);
1.119 + }
1.120 + authCache.put(host, authScheme);
1.121 + } else {
1.122 + authCache.remove(host);
1.123 + }
1.124 + }
1.125 + }
1.126 +
1.127 +}
