| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.openstack.functions; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static org.jclouds.http.HttpUtils.releasePayload; |
| 23 | import static org.jclouds.openstack.reference.AuthHeaders.AUTH_TOKEN; |
| 24 | import static org.jclouds.openstack.reference.AuthHeaders.URL_SUFFIX; |
| 25 | |
| 26 | import java.net.URI; |
| 27 | import java.util.Map.Entry; |
| 28 | |
| 29 | import javax.annotation.Resource; |
| 30 | import javax.inject.Inject; |
| 31 | import javax.inject.Provider; |
| 32 | import javax.ws.rs.core.UriBuilder; |
| 33 | |
| 34 | import org.jclouds.http.HttpRequest; |
| 35 | import org.jclouds.http.HttpResponse; |
| 36 | import org.jclouds.logging.Logger; |
| 37 | import org.jclouds.openstack.OpenStackAuthAsyncClient.AuthenticationResponse; |
| 38 | import org.jclouds.rest.InvocationContext; |
| 39 | |
| 40 | import com.google.common.annotations.VisibleForTesting; |
| 41 | import com.google.common.base.Function; |
| 42 | import com.google.common.collect.ImmutableMap; |
| 43 | import com.google.common.collect.ImmutableMap.Builder; |
| 44 | |
| 45 | /** |
| 46 | * This parses {@link AuthenticationResponse} from HTTP headers. |
| 47 | * |
| 48 | * @author Adrian Cole |
| 49 | */ |
| 50 | public class ParseAuthenticationResponseFromHeaders implements Function<HttpResponse, AuthenticationResponse>, |
| 51 | InvocationContext<ParseAuthenticationResponseFromHeaders> { |
| 52 | |
| 53 | @Resource |
| 54 | protected Logger logger = Logger.NULL; |
| 55 | |
| 56 | private final Provider<UriBuilder> uriBuilderProvider; |
| 57 | private String hostToReplace; |
| 58 | |
| 59 | @Inject |
| 60 | public ParseAuthenticationResponseFromHeaders(Provider<UriBuilder> uriBuilderProvider) { |
| 61 | this.uriBuilderProvider = uriBuilderProvider; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * parses the http response headers to create a new {@link AuthenticationResponse} object. |
| 66 | */ |
| 67 | public AuthenticationResponse apply(HttpResponse from) { |
| 68 | releasePayload(from); |
| 69 | Builder<String, URI> builder = ImmutableMap.<String, URI> builder(); |
| 70 | for (Entry<String, String> entry : from.getHeaders().entries()) { |
| 71 | if (entry.getKey().endsWith(URL_SUFFIX)) |
| 72 | builder.put(entry.getKey(), getURI(entry.getValue())); |
| 73 | } |
| 74 | AuthenticationResponse response = new AuthenticationResponse(checkNotNull(from.getFirstHeaderOrNull(AUTH_TOKEN), |
| 75 | AUTH_TOKEN), builder.build()); |
| 76 | logger.debug("will connect to: ", response); |
| 77 | return response; |
| 78 | } |
| 79 | |
| 80 | // TODO: find the swift configuration or bug related to returning localhost |
| 81 | protected URI getURI(String headerValue) { |
| 82 | if (headerValue == null) |
| 83 | return null; |
| 84 | URI toReturn = URI.create(headerValue); |
| 85 | if (!"127.0.0.1".equals(toReturn.getHost())) |
| 86 | return toReturn; |
| 87 | return uriBuilderProvider.get().uri(toReturn).host(hostToReplace).build(); |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public ParseAuthenticationResponseFromHeaders setContext(HttpRequest request) { |
| 92 | return setHostToReplace(request.getEndpoint().getHost()); |
| 93 | } |
| 94 | |
| 95 | @VisibleForTesting |
| 96 | ParseAuthenticationResponseFromHeaders setHostToReplace(String hostToReplace) { |
| 97 | this.hostToReplace = hostToReplace; |
| 98 | return this; |
| 99 | } |
| 100 | } |