| /* |
| * 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.apache.nifi.registry.web.security.authentication.util; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.security.MessageDigest; |
| |
| /** |
| * An authentication token that represents an Authenticated and Authorized user of the NiFi Apis. The authorities are based off the specified UserDetails. |
| */ |
| |
| /** |
| * Key for the cache. Necessary to override the default String.equals() to utilize MessageDigest.isEquals() to prevent timing attacks. |
| */ |
| public class CacheKey { |
| final String key; |
| |
| public CacheKey(String key) { |
| this.key = key; |
| } |
| |
| public String getKey() { |
| return key; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| final CacheKey otherCacheKey = (CacheKey) o; |
| return MessageDigest.isEqual(key.getBytes(StandardCharsets.UTF_8), otherCacheKey.key.getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| @Override |
| public int hashCode() { |
| return key.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return "CacheKey{token ending in '..." + key.substring(key.length() - 6) + "'}"; |
| } |
| } |