| 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.http.filters; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static org.jclouds.Constants.PROPERTY_CREDENTIAL; |
| 23 | import static org.jclouds.Constants.PROPERTY_IDENTITY; |
| 24 | |
| 25 | import java.io.UnsupportedEncodingException; |
| 26 | |
| 27 | import javax.inject.Inject; |
| 28 | import javax.inject.Named; |
| 29 | import javax.inject.Singleton; |
| 30 | import javax.ws.rs.core.HttpHeaders; |
| 31 | |
| 32 | import org.jclouds.crypto.Crypto; |
| 33 | import org.jclouds.crypto.CryptoStreams; |
| 34 | import org.jclouds.http.HttpException; |
| 35 | import org.jclouds.http.HttpRequest; |
| 36 | import org.jclouds.http.HttpRequestFilter; |
| 37 | import org.jclouds.http.utils.ModifyRequest; |
| 38 | |
| 39 | /** |
| 40 | * Uses Basic Authentication to sign the request. |
| 41 | * |
| 42 | * @see <a href= "http://en.wikipedia.org/wiki/Basic_access_authentication" /> |
| 43 | * @author Adrian Cole |
| 44 | * |
| 45 | */ |
| 46 | @Singleton |
| 47 | public class BasicAuthentication implements HttpRequestFilter { |
| 48 | |
| 49 | private final String header; |
| 50 | |
| 51 | @Inject |
| 52 | public BasicAuthentication(@Named(PROPERTY_IDENTITY) String user, @Named(PROPERTY_CREDENTIAL) String password, |
| 53 | Crypto crypto) throws UnsupportedEncodingException { |
| 54 | this.header = "Basic " |
| 55 | + CryptoStreams.base64(String.format("%s:%s", checkNotNull(user, "user"), |
| 56 | checkNotNull(password, "password")).getBytes("UTF-8")); |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public HttpRequest filter(HttpRequest request) throws HttpException { |
| 61 | return ModifyRequest.replaceHeader(request, HttpHeaders.AUTHORIZATION, header); |
| 62 | } |
| 63 | } |