| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.apache.hadoop.ozone.s3.signature; |
| |
| import org.apache.hadoop.ozone.s3.signature.SignatureInfo.Version; |
| |
| import static org.apache.commons.lang3.StringUtils.isBlank; |
| |
| /** |
| * Class to parse V2 auth information from header. |
| */ |
| public class AuthorizationV2HeaderParser implements SignatureParser { |
| |
| public static final String IDENTIFIER = "AWS"; |
| |
| private final String authHeader; |
| |
| public AuthorizationV2HeaderParser(String authHeader) { |
| this.authHeader = authHeader; |
| } |
| |
| /** |
| * This method parses the authorization header. |
| * <p> |
| * Authorization header sample: |
| * AWS AKIAIOSFODNN7EXAMPLE:frJIUN8DYpKDtOLCwo//yllqDzg= |
| */ |
| @Override |
| public SignatureInfo parseSignature() throws MalformedResourceException { |
| if (authHeader == null || !authHeader.startsWith(IDENTIFIER + " ")) { |
| return null; |
| } |
| String[] split = authHeader.split(" "); |
| if (split.length != 2) { |
| throw new MalformedResourceException(authHeader); |
| } |
| |
| String identifier = split[0]; |
| if (!IDENTIFIER.equals(identifier)) { |
| throw new MalformedResourceException(authHeader); |
| } |
| |
| String[] remainingSplit = split[1].split(":"); |
| |
| if (remainingSplit.length != 2) { |
| throw new MalformedResourceException(authHeader); |
| } |
| |
| String accessKeyID = remainingSplit[0]; |
| String signature = remainingSplit[1]; |
| if (isBlank(accessKeyID) || isBlank(signature)) { |
| throw new MalformedResourceException(authHeader); |
| } |
| return new SignatureInfo( |
| Version.V2, |
| "", |
| "", |
| accessKeyID, |
| signature, |
| "", |
| "", |
| "", |
| false |
| ); |
| } |
| } |