| /* |
| * 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. |
| */ |
| package org.jclouds.http.filters; |
| import static com.google.common.base.Charsets.UTF_8; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.io.BaseEncoding.base64; |
| import static com.google.common.net.HttpHeaders.AUTHORIZATION; |
| import static java.lang.String.format; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.domain.Credentials; |
| import org.jclouds.http.HttpException; |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpRequestFilter; |
| import org.jclouds.location.Provider; |
| |
| import com.google.common.base.Supplier; |
| |
| /** |
| * Uses Basic Authentication to sign the request. |
| * |
| * @see <a href= "http://en.wikipedia.org/wiki/Basic_access_authentication" /> |
| */ |
| @Singleton |
| public class BasicAuthentication implements HttpRequestFilter { |
| |
| private final Supplier<Credentials> creds; |
| |
| @Inject |
| public BasicAuthentication(@Provider Supplier<Credentials> creds) { |
| this.creds = checkNotNull(creds, "creds"); |
| } |
| |
| public static String basic(String user, String password) { |
| return new StringBuilder("Basic ").append( |
| base64().encode( |
| format("%s:%s", checkNotNull(user, "user"), checkNotNull(password, "password")).getBytes(UTF_8))) |
| .toString(); |
| } |
| |
| @Override |
| public HttpRequest filter(HttpRequest request) throws HttpException { |
| Credentials currentCreds = checkNotNull(creds.get(), "credential supplier returned null"); |
| return request.toBuilder().replaceHeader(AUTHORIZATION, basic(currentCreds.identity, currentCreds.credential)) |
| .build(); |
| } |
| } |