| /* |
| * 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 javax.security.enterprise.credential; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.util.Base64; |
| |
| public class BasicAuthenticationCredential extends UsernamePasswordCredential { |
| |
| public BasicAuthenticationCredential(String authorizationHeader) { |
| super(parseUsername(authorizationHeader), parsePassword(authorizationHeader)); |
| } |
| |
| private static String decodeHeader(String authorizationHeader) { |
| final String basicAuthCharset = "US-ASCII"; |
| |
| if (null == authorizationHeader) { |
| throw new NullPointerException("authorization header"); |
| } |
| |
| if (authorizationHeader.isEmpty()) { |
| throw new IllegalArgumentException("authorization header is empty"); |
| } |
| |
| final Base64.Decoder decoder = Base64.getMimeDecoder(); |
| byte[] decodedBytes = decoder.decode(authorizationHeader); |
| try { |
| return new String(decodedBytes, basicAuthCharset); |
| } catch (UnsupportedEncodingException e) { |
| throw new IllegalStateException("Unknown Charset: " + basicAuthCharset, e); |
| } |
| } |
| |
| private static String parseUsername(String authorizationHeader) { |
| String decodedAuthorizationHeader = decodeHeader(authorizationHeader); |
| int delimiterIndex = decodedAuthorizationHeader.indexOf(':'); |
| if (delimiterIndex > -1) { |
| return decodedAuthorizationHeader.substring(0, delimiterIndex); |
| } else { |
| return decodedAuthorizationHeader; |
| } |
| } |
| |
| private static Password parsePassword(String authorizationHeader) { |
| String decodedAuthorizationHeader = decodeHeader(authorizationHeader); |
| int delimiterIndex = decodedAuthorizationHeader.indexOf(':'); |
| if (delimiterIndex > -1) { |
| return new Password(decodedAuthorizationHeader.substring(delimiterIndex + 1)); |
| } else { |
| return new Password(""); |
| } |
| } |
| } |