kafka DelegationToken 源码
kafka DelegationToken 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/security/token/delegation/DelegationToken.java
/*
* 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.kafka.common.security.token.delegation;
import org.apache.kafka.common.annotation.InterfaceStability;
import java.security.MessageDigest;
import java.util.Arrays;
import java.util.Base64;
import java.util.Objects;
/**
* A class representing a delegation token.
*
*/
@InterfaceStability.Evolving
public class DelegationToken {
private TokenInformation tokenInformation;
private byte[] hmac;
public DelegationToken(TokenInformation tokenInformation, byte[] hmac) {
this.tokenInformation = tokenInformation;
this.hmac = hmac;
}
public TokenInformation tokenInfo() {
return tokenInformation;
}
public byte[] hmac() {
return hmac;
}
public String hmacAsBase64String() {
return Base64.getEncoder().encodeToString(hmac);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
DelegationToken token = (DelegationToken) o;
return Objects.equals(tokenInformation, token.tokenInformation) && MessageDigest.isEqual(hmac, token.hmac);
}
@Override
public int hashCode() {
int result = tokenInformation != null ? tokenInformation.hashCode() : 0;
result = 31 * result + Arrays.hashCode(hmac);
return result;
}
@Override
public String toString() {
return "DelegationToken{" +
"tokenInformation=" + tokenInformation +
", hmac=[*******]" +
'}';
}
}
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