| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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. |
| */ |
| package org.jclouds.openstack.handlers; |
| |
| import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream; |
| import static org.jclouds.http.HttpUtils.releasePayload; |
| |
| import javax.annotation.Resource; |
| |
| import org.jclouds.domain.Credentials; |
| import org.jclouds.http.HttpCommand; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.HttpRetryHandler; |
| import org.jclouds.logging.Logger; |
| import org.jclouds.openstack.OpenStackAuthAsyncClient.AuthenticationResponse; |
| import org.jclouds.openstack.reference.AuthHeaders; |
| |
| import com.google.common.cache.LoadingCache; |
| import com.google.common.collect.Multimap; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| /** |
| * This will parse and set an appropriate exception on the command object. |
| * |
| * @author Adrian Cole |
| * |
| */ |
| @Singleton |
| public class RetryOnRenew implements HttpRetryHandler { |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| private final LoadingCache<Credentials, AuthenticationResponse> authenticationResponseCache; |
| |
| @Inject |
| protected RetryOnRenew(LoadingCache<Credentials, AuthenticationResponse> authenticationResponseCache) { |
| this.authenticationResponseCache = authenticationResponseCache; |
| } |
| |
| @Override |
| public boolean shouldRetryRequest(HttpCommand command, HttpResponse response) { |
| boolean retry = false; // default |
| try { |
| switch (response.getStatusCode()) { |
| case 401: |
| // Do not retry on 401 from authentication request |
| Multimap<String, String> headers = command.getCurrentRequest().getHeaders(); |
| if (headers != null && headers.containsKey(AuthHeaders.AUTH_USER) |
| && headers.containsKey(AuthHeaders.AUTH_KEY) && !headers.containsKey(AuthHeaders.AUTH_TOKEN)) { |
| retry = false; |
| } else { |
| byte[] content = closeClientButKeepContentStream(response); |
| if (content != null && new String(content).contains("lease renew")) { |
| logger.debug("invalidating authentication token"); |
| authenticationResponseCache.invalidateAll(); |
| retry = true; |
| } else { |
| retry = false; |
| } |
| } |
| break; |
| } |
| return retry; |
| |
| } finally { |
| releasePayload(response); |
| } |
| } |
| |
| } |