1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/protocol/RequestAuthCache.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
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.HttpRequest;
1.40 +import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
1.41 +import ch.boye.httpclientandroidlib.annotation.Immutable;
1.42 +import ch.boye.httpclientandroidlib.auth.AuthScheme;
1.43 +import ch.boye.httpclientandroidlib.auth.AuthScope;
1.44 +import ch.boye.httpclientandroidlib.auth.AuthState;
1.45 +import ch.boye.httpclientandroidlib.auth.Credentials;
1.46 +import ch.boye.httpclientandroidlib.client.AuthCache;
1.47 +import ch.boye.httpclientandroidlib.client.CredentialsProvider;
1.48 +import ch.boye.httpclientandroidlib.protocol.ExecutionContext;
1.49 +import ch.boye.httpclientandroidlib.protocol.HttpContext;
1.50 +
1.51 +/**
1.52 + * Request interceptor that can preemptively authenticate against known hosts,
1.53 + * if there is a cached {@link AuthScheme} instance in the local
1.54 + * {@link AuthCache} associated with the given target or proxy host.
1.55 + *
1.56 + * @since 4.1
1.57 + */
1.58 +@Immutable
1.59 +public class RequestAuthCache implements HttpRequestInterceptor {
1.60 +
1.61 + public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
1.62 +
1.63 + public RequestAuthCache() {
1.64 + super();
1.65 + }
1.66 +
1.67 + public void process(final HttpRequest request, final HttpContext context)
1.68 + throws HttpException, IOException {
1.69 + if (request == 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 +
1.76 + AuthCache authCache = (AuthCache) context.getAttribute(ClientContext.AUTH_CACHE);
1.77 + if (authCache == null) {
1.78 + this.log.debug("Auth cache not set in the context");
1.79 + return;
1.80 + }
1.81 +
1.82 + CredentialsProvider credsProvider = (CredentialsProvider) context.getAttribute(
1.83 + ClientContext.CREDS_PROVIDER);
1.84 + if (credsProvider == null) {
1.85 + this.log.debug("Credentials provider not set in the context");
1.86 + return;
1.87 + }
1.88 +
1.89 + HttpHost target = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
1.90 + AuthState targetState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE);
1.91 + if (target != null && targetState != null && targetState.getAuthScheme() == null) {
1.92 + AuthScheme authScheme = authCache.get(target);
1.93 + if (authScheme != null) {
1.94 + doPreemptiveAuth(target, authScheme, targetState, credsProvider);
1.95 + }
1.96 + }
1.97 +
1.98 + HttpHost proxy = (HttpHost) context.getAttribute(ExecutionContext.HTTP_PROXY_HOST);
1.99 + AuthState proxyState = (AuthState) context.getAttribute(ClientContext.PROXY_AUTH_STATE);
1.100 + if (proxy != null && proxyState != null && proxyState.getAuthScheme() == null) {
1.101 + AuthScheme authScheme = authCache.get(proxy);
1.102 + if (authScheme != null) {
1.103 + doPreemptiveAuth(proxy, authScheme, proxyState, credsProvider);
1.104 + }
1.105 + }
1.106 + }
1.107 +
1.108 + private void doPreemptiveAuth(
1.109 + final HttpHost host,
1.110 + final AuthScheme authScheme,
1.111 + final AuthState authState,
1.112 + final CredentialsProvider credsProvider) {
1.113 + String schemeName = authScheme.getSchemeName();
1.114 + if (this.log.isDebugEnabled()) {
1.115 + this.log.debug("Re-using cached '" + schemeName + "' auth scheme for " + host);
1.116 + }
1.117 +
1.118 + AuthScope authScope = new AuthScope(host.getHostName(), host.getPort(),
1.119 + AuthScope.ANY_REALM, schemeName);
1.120 + Credentials creds = credsProvider.getCredentials(authScope);
1.121 +
1.122 + if (creds != null) {
1.123 + authState.setAuthScheme(authScheme);
1.124 + authState.setCredentials(creds);
1.125 + } else {
1.126 + this.log.debug("No credentials for preemptive authentication");
1.127 + }
1.128 + }
1.129 +
1.130 +}
