| /* |
| * ==================================================================== |
| * 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 org.apache.hc.client5.http.protocol; |
| |
| import java.io.IOException; |
| |
| import org.apache.hc.client5.http.RouteInfo; |
| import org.apache.hc.client5.http.auth.AuthCache; |
| import org.apache.hc.client5.http.auth.AuthExchange; |
| import org.apache.hc.client5.http.auth.AuthScheme; |
| import org.apache.hc.client5.http.auth.CredentialsProvider; |
| import org.apache.hc.core5.annotation.Contract; |
| import org.apache.hc.core5.annotation.ThreadingBehavior; |
| import org.apache.hc.core5.http.EntityDetails; |
| import org.apache.hc.core5.http.HttpException; |
| import org.apache.hc.core5.http.HttpHost; |
| import org.apache.hc.core5.http.HttpRequest; |
| import org.apache.hc.core5.http.HttpRequestInterceptor; |
| import org.apache.hc.core5.http.protocol.HttpContext; |
| import org.apache.hc.core5.net.URIAuthority; |
| import org.apache.hc.core5.util.Args; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Request interceptor that can preemptively authenticate against known hosts, |
| * if there is a cached {@link AuthScheme} instance in the local |
| * {@link AuthCache} associated with the given target or proxy host. |
| * |
| * @since 4.1 |
| */ |
| @Contract(threading = ThreadingBehavior.STATELESS) |
| public class RequestAuthCache implements HttpRequestInterceptor { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(RequestAuthCache.class); |
| |
| public RequestAuthCache() { |
| super(); |
| } |
| |
| @Override |
| public void process(final HttpRequest request, final EntityDetails entity, final HttpContext context) |
| throws HttpException, IOException { |
| Args.notNull(request, "HTTP request"); |
| Args.notNull(context, "HTTP context"); |
| |
| final HttpClientContext clientContext = HttpClientContext.adapt(context); |
| final String exchangeId = clientContext.getExchangeId(); |
| |
| final AuthCache authCache = clientContext.getAuthCache(); |
| if (authCache == null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} Auth cache not set in the context", exchangeId); |
| } |
| return; |
| } |
| |
| final CredentialsProvider credsProvider = clientContext.getCredentialsProvider(); |
| if (credsProvider == null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} Credentials provider not set in the context", exchangeId); |
| } |
| return; |
| } |
| |
| final RouteInfo route = clientContext.getHttpRoute(); |
| if (route == null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} Route info not set in the context", exchangeId); |
| } |
| return; |
| } |
| |
| final URIAuthority authority = request.getAuthority(); |
| final HttpHost target; |
| if (authority != null) { |
| target = new HttpHost( |
| request.getScheme(), |
| authority.getHostName(), |
| authority.getPort() >= 0 ? authority.getPort() : route.getTargetHost().getPort()); |
| } else { |
| target = route.getTargetHost(); |
| } |
| final AuthExchange targetAuthExchange = clientContext.getAuthExchange(target); |
| if (targetAuthExchange.getState() == AuthExchange.State.UNCHALLENGED) { |
| final AuthScheme authScheme = authCache.get(target); |
| if (authScheme != null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} Re-using cached '{}' auth scheme for {}", exchangeId, authScheme.getName(), target); |
| } |
| targetAuthExchange.select(authScheme); |
| } |
| } |
| |
| final HttpHost proxy = route.getProxyHost(); |
| if (proxy != null) { |
| final AuthExchange proxyAuthExchange = clientContext.getAuthExchange(proxy); |
| if (proxyAuthExchange.getState() == AuthExchange.State.UNCHALLENGED) { |
| final AuthScheme authScheme = authCache.get(proxy); |
| if (authScheme != null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("{} Re-using cached '{}' auth scheme for {}", exchangeId, authScheme.getName(), proxy); |
| } |
| proxyAuthExchange.select(authScheme); |
| } |
| } |
| } |
| } |
| |
| } |